From e26c09529abc3c6fb89a44dd48b63f6bc4597d83 Mon Sep 17 00:00:00 2001 From: Glenn Randers-Pehrson Date: Wed, 23 Sep 2009 11:22:08 -0500 Subject: [PATCH] [devel] Changed some "#if defined(" to "ifdef" --- png.c | 32 ++++----- pngget.c | 58 ++++++++--------- pngmem.c | 2 +- pngpread.c | 100 ++++++++++++++-------------- pngread.c | 188 ++++++++++++++++++++++++++--------------------------- pngrio.c | 6 +- pngrtran.c | 168 +++++++++++++++++++++++------------------------ pngrutil.c | 94 +++++++++++++-------------- pngset.c | 54 +++++++-------- pngtest.c | 90 ++++++++++++------------- pngtrans.c | 6 +- pngwrite.c | 114 ++++++++++++++++---------------- pngwtran.c | 32 ++++----- pngwutil.c | 78 +++++++++++----------- 14 files changed, 511 insertions(+), 511 deletions(-) diff --git a/png.c b/png.c index 4e4ac1daa..b5f416174 100644 --- a/png.c +++ b/png.c @@ -1,7 +1,7 @@ /* png.c - location for general purpose libpng functions * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -251,7 +251,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, if (png_ptr == NULL || info_ptr == NULL) return; -#if defined(PNG_TEXT_SUPPORTED) +#ifdef PNG_TEXT_SUPPORTED /* Free text item num or (if num == -1) all text items */ if ((mask & PNG_FREE_TEXT) & info_ptr->free_me) { @@ -275,7 +275,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, } #endif -#if defined(PNG_tRNS_SUPPORTED) +#ifdef PNG_tRNS_SUPPORTED /* Free any tRNS entry */ if ((mask & PNG_FREE_TRNS) & info_ptr->free_me) { @@ -285,7 +285,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, } #endif -#if defined(PNG_sCAL_SUPPORTED) +#ifdef PNG_sCAL_SUPPORTED /* Free any sCAL entry */ if ((mask & PNG_FREE_SCAL) & info_ptr->free_me) { @@ -299,7 +299,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, } #endif -#if defined(PNG_pCAL_SUPPORTED) +#ifdef PNG_pCAL_SUPPORTED /* Free any pCAL entry */ if ((mask & PNG_FREE_PCAL) & info_ptr->free_me) { @@ -322,7 +322,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, } #endif -#if defined(PNG_iCCP_SUPPORTED) +#ifdef PNG_iCCP_SUPPORTED /* Free any iCCP entry */ if ((mask & PNG_FREE_ICCP) & info_ptr->free_me) { @@ -334,7 +334,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, } #endif -#if defined(PNG_sPLT_SUPPORTED) +#ifdef PNG_sPLT_SUPPORTED /* Free a given sPLT entry, or (if num == -1) all sPLT entries */ if ((mask & PNG_FREE_SPLT) & info_ptr->free_me) { @@ -365,7 +365,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, } #endif -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED if (png_ptr->unknown_chunk.data) { png_free(png_ptr, png_ptr->unknown_chunk.data); @@ -399,7 +399,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, } #endif -#if defined(PNG_hIST_SUPPORTED) +#ifdef PNG_hIST_SUPPORTED /* Free any hIST entry */ if ((mask & PNG_FREE_HIST) & info_ptr->free_me) { @@ -418,7 +418,7 @@ png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, info_ptr->num_palette = 0; } -#if defined(PNG_INFO_IMAGE_SUPPORTED) +#ifdef PNG_INFO_IMAGE_SUPPORTED /* Free any image bits attached to the info structure */ if ((mask & PNG_FREE_ROWS) & info_ptr->free_me) { @@ -452,7 +452,7 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr) png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1); -#if defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED) +#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED if (png_ptr->num_chunk_list) { png_free(png_ptr, png_ptr->chunk_list); @@ -496,7 +496,7 @@ png_init_io(png_structp png_ptr, png_FILE_p fp) } #endif -#if defined(PNG_TIME_RFC1123_SUPPORTED) +#ifdef PNG_TIME_RFC1123_SUPPORTED /* Convert the supplied time into an RFC 1123 string suitable for use in * a "Creation Time" or other text-based time string. */ @@ -546,13 +546,13 @@ png_get_copyright(png_structp png_ptr) #else #ifdef __STDC__ return ((png_charp) PNG_STRING_NEWLINE \ - "libpng version x 1.4.0beta81 - September 17, 2009" PNG_STRING_NEWLINE \ + "libpng version x 1.4.0beta81 - September 23, 2009" PNG_STRING_NEWLINE \ "Copyright (c) 1998-2009 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ PNG_STRING_NEWLINE); #else - return ((png_charp) "libpng version 1.4.0beta81 - September 17, 2009\ + return ((png_charp) "libpng version 1.4.0beta81 - September 23, 2009\ Copyright (c) 1998-2009 Glenn Randers-Pehrson\ Copyright (c) 1996-1997 Andreas Dilger\ Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."); @@ -652,8 +652,8 @@ png_convert_size(size_t size) #endif /* PNG_SIZE_T */ /* Added at libpng version 1.2.34 and 1.4.0 (moved from pngset.c) */ -#if defined(PNG_cHRM_SUPPORTED) -#if defined(PNG_CHECK_cHRM_SUPPORTED) +#ifdef PNG_cHRM_SUPPORTED +#ifdef PNG_CHECK_cHRM_SUPPORTED /* * Multiply two 32-bit numbers, V1 and V2, using 32-bit diff --git a/pngget.c b/pngget.c index 51152d15f..4bedebafc 100644 --- a/pngget.c +++ b/pngget.c @@ -1,7 +1,7 @@ /* pngget.c - retrieval of values from info struct * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -36,7 +36,7 @@ png_get_rowbytes(png_structp png_ptr, png_infop info_ptr) return(0); } -#if defined(PNG_INFO_IMAGE_SUPPORTED) +#ifdef PNG_INFO_IMAGE_SUPPORTED png_bytepp PNGAPI png_get_rows(png_structp png_ptr, png_infop info_ptr) { @@ -117,7 +117,7 @@ png_uint_32 PNGAPI png_get_x_pixels_per_meter(png_structp png_ptr, png_infop info_ptr) { if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_pHYs_SUPPORTED) +#ifdef PNG_pHYs_SUPPORTED if (info_ptr->valid & PNG_INFO_pHYs) { png_debug1(1, "in %s retrieval function", "png_get_x_pixels_per_meter"); @@ -138,7 +138,7 @@ png_uint_32 PNGAPI png_get_y_pixels_per_meter(png_structp png_ptr, png_infop info_ptr) { if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_pHYs_SUPPORTED) +#ifdef PNG_pHYs_SUPPORTED if (info_ptr->valid & PNG_INFO_pHYs) { png_debug1(1, "in %s retrieval function", "png_get_y_pixels_per_meter"); @@ -159,7 +159,7 @@ png_uint_32 PNGAPI png_get_pixels_per_meter(png_structp png_ptr, png_infop info_ptr) { if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_pHYs_SUPPORTED) +#ifdef PNG_pHYs_SUPPORTED if (info_ptr->valid & PNG_INFO_pHYs) { png_debug1(1, "in %s retrieval function", "png_get_pixels_per_meter"); @@ -182,7 +182,7 @@ float PNGAPI png_get_pixel_aspect_ratio(png_structp png_ptr, png_infop info_ptr) { if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_pHYs_SUPPORTED) +#ifdef PNG_pHYs_SUPPORTED if (info_ptr->valid & PNG_INFO_pHYs) { @@ -206,7 +206,7 @@ png_int_32 PNGAPI png_get_x_offset_microns(png_structp png_ptr, png_infop info_ptr) { if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_oFFs_SUPPORTED) +#ifdef PNG_oFFs_SUPPORTED if (info_ptr->valid & PNG_INFO_oFFs) { @@ -229,7 +229,7 @@ png_get_y_offset_microns(png_structp png_ptr, png_infop info_ptr) { if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_oFFs_SUPPORTED) +#ifdef PNG_oFFs_SUPPORTED if (info_ptr->valid & PNG_INFO_oFFs) { png_debug1(1, "in %s retrieval function", "png_get_y_offset_microns"); @@ -251,7 +251,7 @@ png_get_x_offset_pixels(png_structp png_ptr, png_infop info_ptr) { if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_oFFs_SUPPORTED) +#ifdef PNG_oFFs_SUPPORTED if (info_ptr->valid & PNG_INFO_oFFs) { png_debug1(1, "in %s retrieval function", "png_get_x_offset_microns"); @@ -273,7 +273,7 @@ png_get_y_offset_pixels(png_structp png_ptr, png_infop info_ptr) { if (png_ptr != NULL && info_ptr != NULL) -#if defined(PNG_oFFs_SUPPORTED) +#ifdef PNG_oFFs_SUPPORTED if (info_ptr->valid & PNG_INFO_oFFs) { png_debug1(1, "in %s retrieval function", "png_get_y_offset_microns"); @@ -326,7 +326,7 @@ png_get_y_offset_inches(png_structp png_ptr, png_infop info_ptr) *.00003937); } -#if defined(PNG_pHYs_SUPPORTED) +#ifdef PNG_pHYs_SUPPORTED png_uint_32 PNGAPI png_get_pHYs_dpi(png_structp png_ptr, png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type) @@ -385,7 +385,7 @@ png_get_signature(png_structp png_ptr, png_infop info_ptr) return (NULL); } -#if defined(PNG_bKGD_SUPPORTED) +#ifdef PNG_bKGD_SUPPORTED png_uint_32 PNGAPI png_get_bKGD(png_structp png_ptr, png_infop info_ptr, png_color_16p *background) @@ -402,7 +402,7 @@ png_get_bKGD(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_cHRM_SUPPORTED) +#ifdef PNG_cHRM_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED png_uint_32 PNGAPI png_get_cHRM(png_structp png_ptr, png_infop info_ptr, @@ -468,7 +468,7 @@ png_get_cHRM_fixed(png_structp png_ptr, png_infop info_ptr, #endif #endif -#if defined(PNG_gAMA_SUPPORTED) +#ifdef PNG_gAMA_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED png_uint_32 PNGAPI png_get_gAMA(png_structp png_ptr, png_infop info_ptr, double *file_gamma) @@ -502,7 +502,7 @@ png_get_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, #endif #endif -#if defined(PNG_sRGB_SUPPORTED) +#ifdef PNG_sRGB_SUPPORTED png_uint_32 PNGAPI png_get_sRGB(png_structp png_ptr, png_infop info_ptr, int *file_srgb_intent) { @@ -518,7 +518,7 @@ png_get_sRGB(png_structp png_ptr, png_infop info_ptr, int *file_srgb_intent) } #endif -#if defined(PNG_iCCP_SUPPORTED) +#ifdef PNG_iCCP_SUPPORTED png_uint_32 PNGAPI png_get_iCCP(png_structp png_ptr, png_infop info_ptr, png_charpp name, int *compression_type, @@ -542,7 +542,7 @@ png_get_iCCP(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_sPLT_SUPPORTED) +#ifdef PNG_sPLT_SUPPORTED png_uint_32 PNGAPI png_get_sPLT(png_structp png_ptr, png_infop info_ptr, png_sPLT_tpp spalettes) @@ -556,7 +556,7 @@ png_get_sPLT(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_hIST_SUPPORTED) +#ifdef PNG_hIST_SUPPORTED png_uint_32 PNGAPI png_get_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p *hist) { @@ -627,7 +627,7 @@ png_get_IHDR(png_structp png_ptr, png_infop info_ptr, return (0); } -#if defined(PNG_oFFs_SUPPORTED) +#ifdef PNG_oFFs_SUPPORTED png_uint_32 PNGAPI png_get_oFFs(png_structp png_ptr, png_infop info_ptr, png_int_32 *offset_x, png_int_32 *offset_y, int *unit_type) @@ -646,7 +646,7 @@ png_get_oFFs(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_pCAL_SUPPORTED) +#ifdef PNG_pCAL_SUPPORTED png_uint_32 PNGAPI png_get_pCAL(png_structp png_ptr, png_infop info_ptr, png_charp *purpose, png_int_32 *X0, png_int_32 *X1, int *type, int *nparams, @@ -671,7 +671,7 @@ png_get_pCAL(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_sCAL_SUPPORTED) +#ifdef PNG_sCAL_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED png_uint_32 PNGAPI png_get_sCAL(png_structp png_ptr, png_infop info_ptr, @@ -707,7 +707,7 @@ png_get_sCAL_s(png_structp png_ptr, png_infop info_ptr, #endif #endif -#if defined(PNG_pHYs_SUPPORTED) +#ifdef PNG_pHYs_SUPPORTED png_uint_32 PNGAPI png_get_pHYs(png_structp png_ptr, png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type) @@ -758,7 +758,7 @@ png_get_PLTE(png_structp png_ptr, png_infop info_ptr, png_colorp *palette, return (0); } -#if defined(PNG_sBIT_SUPPORTED) +#ifdef PNG_sBIT_SUPPORTED png_uint_32 PNGAPI png_get_sBIT(png_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit) { @@ -774,7 +774,7 @@ png_get_sBIT(png_structp png_ptr, png_infop info_ptr, png_color_8p *sig_bit) } #endif -#if defined(PNG_TEXT_SUPPORTED) +#ifdef PNG_TEXT_SUPPORTED png_uint_32 PNGAPI png_get_text(png_structp png_ptr, png_infop info_ptr, png_textp *text_ptr, int *num_text) @@ -799,7 +799,7 @@ png_get_text(png_structp png_ptr, png_infop info_ptr, png_textp *text_ptr, } #endif -#if defined(PNG_tIME_SUPPORTED) +#ifdef PNG_tIME_SUPPORTED png_uint_32 PNGAPI png_get_tIME(png_structp png_ptr, png_infop info_ptr, png_timep *mod_time) { @@ -815,7 +815,7 @@ png_get_tIME(png_structp png_ptr, png_infop info_ptr, png_timep *mod_time) } #endif -#if defined(PNG_tRNS_SUPPORTED) +#ifdef PNG_tRNS_SUPPORTED png_uint_32 PNGAPI png_get_tRNS(png_structp png_ptr, png_infop info_ptr, png_bytep *trans_alpha, int *num_trans, png_color_16p *trans_color) @@ -857,7 +857,7 @@ png_get_tRNS(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED png_uint_32 PNGAPI png_get_unknown_chunks(png_structp png_ptr, png_infop info_ptr, png_unknown_chunkpp unknowns) @@ -871,7 +871,7 @@ png_get_unknown_chunks(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) +#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED png_byte PNGAPI png_get_rgb_to_gray_status (png_structp png_ptr) { @@ -879,7 +879,7 @@ png_get_rgb_to_gray_status (png_structp png_ptr) } #endif -#if defined(PNG_USER_CHUNKS_SUPPORTED) +#ifdef PNG_USER_CHUNKS_SUPPORTED png_voidp PNGAPI png_get_user_chunk_ptr(png_structp png_ptr) { diff --git a/pngmem.c b/pngmem.c index 2960e93b1..6311d576b 100644 --- a/pngmem.c +++ b/pngmem.c @@ -1,7 +1,7 @@ /* pngmem.c - stub functions for memory allocation * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) diff --git a/pngpread.c b/pngpread.c index e5a668bd2..9888bd6db 100644 --- a/pngpread.c +++ b/pngpread.c @@ -1,7 +1,7 @@ /* pngpread.c - read a png file in push mode * - * Last changed in libpng 1.4.0 [September 20, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -70,7 +70,7 @@ png_process_some_data(png_structp png_ptr, png_infop info_ptr) break; } -#if defined(PNG_READ_tEXt_SUPPORTED) +#ifdef PNG_READ_tEXt_SUPPORTED case PNG_READ_tEXt_MODE: { png_push_read_tEXt(png_ptr, info_ptr); @@ -78,7 +78,7 @@ png_process_some_data(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_zTXt_SUPPORTED) +#ifdef PNG_READ_zTXt_SUPPORTED case PNG_READ_zTXt_MODE: { png_push_read_zTXt(png_ptr, info_ptr); @@ -86,7 +86,7 @@ png_process_some_data(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_iTXt_SUPPORTED) +#ifdef PNG_READ_iTXt_SUPPORTED case PNG_READ_iTXt_MODE: { png_push_read_iTXt(png_ptr, info_ptr); @@ -153,55 +153,55 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) PNG_IDAT; PNG_IEND; PNG_PLTE; -#if defined(PNG_READ_bKGD_SUPPORTED) +#ifdef PNG_READ_bKGD_SUPPORTED PNG_bKGD; #endif -#if defined(PNG_READ_cHRM_SUPPORTED) +#ifdef PNG_READ_cHRM_SUPPORTED PNG_cHRM; #endif -#if defined(PNG_READ_gAMA_SUPPORTED) +#ifdef PNG_READ_gAMA_SUPPORTED PNG_gAMA; #endif -#if defined(PNG_READ_hIST_SUPPORTED) +#ifdef PNG_READ_hIST_SUPPORTED PNG_hIST; #endif -#if defined(PNG_READ_iCCP_SUPPORTED) +#ifdef PNG_READ_iCCP_SUPPORTED PNG_iCCP; #endif -#if defined(PNG_READ_iTXt_SUPPORTED) +#ifdef PNG_READ_iTXt_SUPPORTED PNG_iTXt; #endif -#if defined(PNG_READ_oFFs_SUPPORTED) +#ifdef PNG_READ_oFFs_SUPPORTED PNG_oFFs; #endif -#if defined(PNG_READ_pCAL_SUPPORTED) +#ifdef PNG_READ_pCAL_SUPPORTED PNG_pCAL; #endif -#if defined(PNG_READ_pHYs_SUPPORTED) +#ifdef PNG_READ_pHYs_SUPPORTED PNG_pHYs; #endif -#if defined(PNG_READ_sBIT_SUPPORTED) +#ifdef PNG_READ_sBIT_SUPPORTED PNG_sBIT; #endif -#if defined(PNG_READ_sCAL_SUPPORTED) +#ifdef PNG_READ_sCAL_SUPPORTED PNG_sCAL; #endif -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED PNG_sRGB; #endif -#if defined(PNG_READ_sPLT_SUPPORTED) +#ifdef PNG_READ_sPLT_SUPPORTED PNG_sPLT; #endif -#if defined(PNG_READ_tEXt_SUPPORTED) +#ifdef PNG_READ_tEXt_SUPPORTED PNG_tEXt; #endif -#if defined(PNG_READ_tIME_SUPPORTED) +#ifdef PNG_READ_tIME_SUPPORTED PNG_tIME; #endif -#if defined(PNG_READ_tRNS_SUPPORTED) +#ifdef PNG_READ_tRNS_SUPPORTED PNG_tRNS; #endif -#if defined(PNG_READ_zTXt_SUPPORTED) +#ifdef PNG_READ_zTXt_SUPPORTED PNG_zTXt; #endif /* First we make sure we have enough data for the 4 byte chunk name @@ -332,7 +332,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) return; } -#if defined(PNG_READ_gAMA_SUPPORTED) +#ifdef PNG_READ_gAMA_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_gAMA, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -345,7 +345,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_sBIT_SUPPORTED) +#ifdef PNG_READ_sBIT_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_sBIT, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -358,7 +358,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_cHRM_SUPPORTED) +#ifdef PNG_READ_cHRM_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_cHRM, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -371,7 +371,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_sRGB, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -384,7 +384,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_iCCP_SUPPORTED) +#ifdef PNG_READ_iCCP_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_iCCP, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -397,7 +397,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_sPLT_SUPPORTED) +#ifdef PNG_READ_sPLT_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_sPLT, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -410,7 +410,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_tRNS_SUPPORTED) +#ifdef PNG_READ_tRNS_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_tRNS, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -423,7 +423,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_bKGD_SUPPORTED) +#ifdef PNG_READ_bKGD_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_bKGD, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -436,7 +436,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_hIST_SUPPORTED) +#ifdef PNG_READ_hIST_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_hIST, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -449,7 +449,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_pHYs_SUPPORTED) +#ifdef PNG_READ_pHYs_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_pHYs, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -462,7 +462,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_oFFs_SUPPORTED) +#ifdef PNG_READ_oFFs_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_oFFs, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -475,7 +475,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_pCAL_SUPPORTED) +#ifdef PNG_READ_pCAL_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_pCAL, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -488,7 +488,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_sCAL_SUPPORTED) +#ifdef PNG_READ_sCAL_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_sCAL, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -501,7 +501,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_tIME_SUPPORTED) +#ifdef PNG_READ_tIME_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_tIME, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -514,7 +514,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_tEXt_SUPPORTED) +#ifdef PNG_READ_tEXt_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_tEXt, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -527,7 +527,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_zTXt_SUPPORTED) +#ifdef PNG_READ_zTXt_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_zTXt, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -540,7 +540,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_iTXt_SUPPORTED) +#ifdef PNG_READ_iTXt_SUPPORTED else if (!png_memcmp(png_ptr->chunk_name, png_iTXt, 4)) { if (png_ptr->push_length + 4 > png_ptr->buffer_size) @@ -855,7 +855,7 @@ png_process_IDAT_data(png_structp png_ptr, png_bytep buffer, if (!(png_ptr->zstream.avail_out)) { if (( -#if defined(PNG_READ_INTERLACING_SUPPORTED) +#ifdef PNG_READ_INTERLACING_SUPPORTED png_ptr->interlaced && png_ptr->pass > 6) || (!png_ptr->interlaced && #endif @@ -897,7 +897,7 @@ png_push_process_row(png_structp png_ptr) if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA)) png_do_read_transformations(png_ptr); -#if defined(PNG_READ_INTERLACING_SUPPORTED) +#ifdef PNG_READ_INTERLACING_SUPPORTED /* Blow up interlaced rows to full size */ if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE)) { @@ -1107,7 +1107,7 @@ png_read_push_finish_row(png_structp png_ptr) if (png_ptr->row_number < png_ptr->num_rows) return; -#if defined(PNG_READ_INTERLACING_SUPPORTED) +#ifdef PNG_READ_INTERLACING_SUPPORTED if (png_ptr->interlaced) { png_ptr->row_number = 0; @@ -1148,7 +1148,7 @@ png_read_push_finish_row(png_structp png_ptr) #endif /* PNG_READ_INTERLACING_SUPPORTED */ } -#if defined(PNG_READ_tEXt_SUPPORTED) +#ifdef PNG_READ_tEXt_SUPPORTED void /* PRIVATE */ png_push_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) @@ -1211,7 +1211,7 @@ png_push_read_tEXt(png_structp png_ptr, png_infop info_ptr) png_push_crc_finish(png_ptr); -#if defined(PNG_MAX_MALLOC_64K) +#ifdef PNG_MAX_MALLOC_64K if (png_ptr->skip_length) return; #endif @@ -1246,7 +1246,7 @@ png_push_read_tEXt(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_zTXt_SUPPORTED) +#ifdef PNG_READ_zTXt_SUPPORTED void /* PRIVATE */ png_push_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) @@ -1447,7 +1447,7 @@ png_push_read_zTXt(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_iTXt_SUPPORTED) +#ifdef PNG_READ_iTXt_SUPPORTED void /* PRIVATE */ png_push_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) @@ -1514,7 +1514,7 @@ png_push_read_iTXt(png_structp png_ptr, png_infop info_ptr) png_push_crc_finish(png_ptr); -#if defined(PNG_MAX_MALLOC_64K) +#ifdef PNG_MAX_MALLOC_64K if (png_ptr->skip_length) return; #endif @@ -1580,10 +1580,10 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 if (!(png_ptr->chunk_name[0] & 0x20)) { -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) != PNG_HANDLE_CHUNK_ALWAYS -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) +#ifdef PNG_READ_USER_CHUNKS_SUPPORTED && png_ptr->read_user_chunk_fn == NULL #endif ) @@ -1593,7 +1593,7 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 info_ptr = info_ptr; /* To quiet some compiler warnings */ } -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED if (png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS) { #ifdef PNG_MAX_MALLOC_64K @@ -1622,7 +1622,7 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length); } -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) +#ifdef PNG_READ_USER_CHUNKS_SUPPORTED if (png_ptr->read_user_chunk_fn != NULL) { /* Callback to user unknown chunk handler */ diff --git a/pngread.c b/pngread.c index 7caa14e06..0d446c61b 100644 --- a/pngread.c +++ b/pngread.c @@ -1,7 +1,7 @@ /* pngread.c - read a PNG file * - * Last changed in libpng 1.4.0 [September 20, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -15,7 +15,7 @@ */ #include "png.h" -#if defined(PNG_READ_SUPPORTED) +#ifdef PNG_READ_SUPPORTED #include "pngpriv.h" @@ -235,55 +235,55 @@ png_read_info(png_structp png_ptr, png_infop info_ptr) PNG_IDAT; PNG_IEND; PNG_PLTE; -#if defined(PNG_READ_bKGD_SUPPORTED) +#ifdef PNG_READ_bKGD_SUPPORTED PNG_bKGD; #endif -#if defined(PNG_READ_cHRM_SUPPORTED) +#ifdef PNG_READ_cHRM_SUPPORTED PNG_cHRM; #endif -#if defined(PNG_READ_gAMA_SUPPORTED) +#ifdef PNG_READ_gAMA_SUPPORTED PNG_gAMA; #endif -#if defined(PNG_READ_hIST_SUPPORTED) +#ifdef PNG_READ_hIST_SUPPORTED PNG_hIST; #endif -#if defined(PNG_READ_iCCP_SUPPORTED) +#ifdef PNG_READ_iCCP_SUPPORTED PNG_iCCP; #endif -#if defined(PNG_READ_iTXt_SUPPORTED) +#ifdef PNG_READ_iTXt_SUPPORTED PNG_iTXt; #endif -#if defined(PNG_READ_oFFs_SUPPORTED) +#ifdef PNG_READ_oFFs_SUPPORTED PNG_oFFs; #endif -#if defined(PNG_READ_pCAL_SUPPORTED) +#ifdef PNG_READ_pCAL_SUPPORTED PNG_pCAL; #endif -#if defined(PNG_READ_pHYs_SUPPORTED) +#ifdef PNG_READ_pHYs_SUPPORTED PNG_pHYs; #endif -#if defined(PNG_READ_sBIT_SUPPORTED) +#ifdef PNG_READ_sBIT_SUPPORTED PNG_sBIT; #endif -#if defined(PNG_READ_sCAL_SUPPORTED) +#ifdef PNG_READ_sCAL_SUPPORTED PNG_sCAL; #endif -#if defined(PNG_READ_sPLT_SUPPORTED) +#ifdef PNG_READ_sPLT_SUPPORTED PNG_sPLT; #endif -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED PNG_sRGB; #endif -#if defined(PNG_READ_tEXt_SUPPORTED) +#ifdef PNG_READ_tEXt_SUPPORTED PNG_tEXt; #endif -#if defined(PNG_READ_tIME_SUPPORTED) +#ifdef PNG_READ_tIME_SUPPORTED PNG_tIME; #endif -#if defined(PNG_READ_tRNS_SUPPORTED) +#ifdef PNG_READ_tRNS_SUPPORTED PNG_tRNS; #endif -#if defined(PNG_READ_zTXt_SUPPORTED) +#ifdef PNG_READ_zTXt_SUPPORTED PNG_zTXt; #endif png_uint_32 length = png_read_chunk_header(png_ptr); @@ -333,71 +333,71 @@ png_read_info(png_structp png_ptr, png_infop info_ptr) png_ptr->mode |= PNG_HAVE_IDAT; break; } -#if defined(PNG_READ_bKGD_SUPPORTED) +#ifdef PNG_READ_bKGD_SUPPORTED else if (!png_memcmp(chunk_name, png_bKGD, 4)) png_handle_bKGD(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_cHRM_SUPPORTED) +#ifdef PNG_READ_cHRM_SUPPORTED else if (!png_memcmp(chunk_name, png_cHRM, 4)) png_handle_cHRM(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_gAMA_SUPPORTED) +#ifdef PNG_READ_gAMA_SUPPORTED else if (!png_memcmp(chunk_name, png_gAMA, 4)) png_handle_gAMA(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_hIST_SUPPORTED) +#ifdef PNG_READ_hIST_SUPPORTED else if (!png_memcmp(chunk_name, png_hIST, 4)) png_handle_hIST(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_oFFs_SUPPORTED) +#ifdef PNG_READ_oFFs_SUPPORTED else if (!png_memcmp(chunk_name, png_oFFs, 4)) png_handle_oFFs(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_pCAL_SUPPORTED) +#ifdef PNG_READ_pCAL_SUPPORTED else if (!png_memcmp(chunk_name, png_pCAL, 4)) png_handle_pCAL(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_sCAL_SUPPORTED) +#ifdef PNG_READ_sCAL_SUPPORTED else if (!png_memcmp(chunk_name, png_sCAL, 4)) png_handle_sCAL(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_pHYs_SUPPORTED) +#ifdef PNG_READ_pHYs_SUPPORTED else if (!png_memcmp(chunk_name, png_pHYs, 4)) png_handle_pHYs(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_sBIT_SUPPORTED) +#ifdef PNG_READ_sBIT_SUPPORTED else if (!png_memcmp(chunk_name, png_sBIT, 4)) png_handle_sBIT(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED else if (!png_memcmp(chunk_name, png_sRGB, 4)) png_handle_sRGB(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_iCCP_SUPPORTED) +#ifdef PNG_READ_iCCP_SUPPORTED else if (!png_memcmp(chunk_name, png_iCCP, 4)) png_handle_iCCP(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_sPLT_SUPPORTED) +#ifdef PNG_READ_sPLT_SUPPORTED else if (!png_memcmp(chunk_name, png_sPLT, 4)) png_handle_sPLT(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_tEXt_SUPPORTED) +#ifdef PNG_READ_tEXt_SUPPORTED else if (!png_memcmp(chunk_name, png_tEXt, 4)) png_handle_tEXt(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_tIME_SUPPORTED) +#ifdef PNG_READ_tIME_SUPPORTED else if (!png_memcmp(chunk_name, png_tIME, 4)) png_handle_tIME(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_tRNS_SUPPORTED) +#ifdef PNG_READ_tRNS_SUPPORTED else if (!png_memcmp(chunk_name, png_tRNS, 4)) png_handle_tRNS(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_zTXt_SUPPORTED) +#ifdef PNG_READ_zTXt_SUPPORTED else if (!png_memcmp(chunk_name, png_zTXt, 4)) png_handle_zTXt(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_iTXt_SUPPORTED) +#ifdef PNG_READ_iTXt_SUPPORTED else if (!png_memcmp(chunk_name, png_iTXt, 4)) png_handle_iTXt(png_ptr, info_ptr, length); #endif @@ -492,7 +492,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row) #endif } -#if defined(PNG_READ_INTERLACING_SUPPORTED) +#ifdef PNG_READ_INTERLACING_SUPPORTED /* If interlaced and we do not need a new row, combine row and return */ if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE)) { @@ -625,7 +625,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row) png_memcpy(png_ptr->prev_row, png_ptr->row_buf, png_ptr->rowbytes + 1); -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED if ((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING)) { @@ -638,7 +638,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row) if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA)) png_do_read_transformations(png_ptr); -#if defined(PNG_READ_INTERLACING_SUPPORTED) +#ifdef PNG_READ_INTERLACING_SUPPORTED /* Blow up interlaced rows to full size */ if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE)) @@ -806,55 +806,55 @@ png_read_end(png_structp png_ptr, png_infop info_ptr) PNG_IDAT; PNG_IEND; PNG_PLTE; -#if defined(PNG_READ_bKGD_SUPPORTED) +#ifdef PNG_READ_bKGD_SUPPORTED PNG_bKGD; #endif -#if defined(PNG_READ_cHRM_SUPPORTED) +#ifdef PNG_READ_cHRM_SUPPORTED PNG_cHRM; #endif -#if defined(PNG_READ_gAMA_SUPPORTED) +#ifdef PNG_READ_gAMA_SUPPORTED PNG_gAMA; #endif -#if defined(PNG_READ_hIST_SUPPORTED) +#ifdef PNG_READ_hIST_SUPPORTED PNG_hIST; #endif -#if defined(PNG_READ_iCCP_SUPPORTED) +#ifdef PNG_READ_iCCP_SUPPORTED PNG_iCCP; #endif -#if defined(PNG_READ_iTXt_SUPPORTED) +#ifdef PNG_READ_iTXt_SUPPORTED PNG_iTXt; #endif -#if defined(PNG_READ_oFFs_SUPPORTED) +#ifdef PNG_READ_oFFs_SUPPORTED PNG_oFFs; #endif -#if defined(PNG_READ_pCAL_SUPPORTED) +#ifdef PNG_READ_pCAL_SUPPORTED PNG_pCAL; #endif -#if defined(PNG_READ_pHYs_SUPPORTED) +#ifdef PNG_READ_pHYs_SUPPORTED PNG_pHYs; #endif -#if defined(PNG_READ_sBIT_SUPPORTED) +#ifdef PNG_READ_sBIT_SUPPORTED PNG_sBIT; #endif -#if defined(PNG_READ_sCAL_SUPPORTED) +#ifdef PNG_READ_sCAL_SUPPORTED PNG_sCAL; #endif -#if defined(PNG_READ_sPLT_SUPPORTED) +#ifdef PNG_READ_sPLT_SUPPORTED PNG_sPLT; #endif -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED PNG_sRGB; #endif -#if defined(PNG_READ_tEXt_SUPPORTED) +#ifdef PNG_READ_tEXt_SUPPORTED PNG_tEXt; #endif -#if defined(PNG_READ_tIME_SUPPORTED) +#ifdef PNG_READ_tIME_SUPPORTED PNG_tIME; #endif -#if defined(PNG_READ_tRNS_SUPPORTED) +#ifdef PNG_READ_tRNS_SUPPORTED PNG_tRNS; #endif -#if defined(PNG_READ_zTXt_SUPPORTED) +#ifdef PNG_READ_zTXt_SUPPORTED PNG_zTXt; #endif png_uint_32 length = png_read_chunk_header(png_ptr); @@ -888,71 +888,71 @@ png_read_end(png_structp png_ptr, png_infop info_ptr) } else if (!png_memcmp(chunk_name, png_PLTE, 4)) png_handle_PLTE(png_ptr, info_ptr, length); -#if defined(PNG_READ_bKGD_SUPPORTED) +#ifdef PNG_READ_bKGD_SUPPORTED else if (!png_memcmp(chunk_name, png_bKGD, 4)) png_handle_bKGD(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_cHRM_SUPPORTED) +#ifdef PNG_READ_cHRM_SUPPORTED else if (!png_memcmp(chunk_name, png_cHRM, 4)) png_handle_cHRM(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_gAMA_SUPPORTED) +#ifdef PNG_READ_gAMA_SUPPORTED else if (!png_memcmp(chunk_name, png_gAMA, 4)) png_handle_gAMA(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_hIST_SUPPORTED) +#ifdef PNG_READ_hIST_SUPPORTED else if (!png_memcmp(chunk_name, png_hIST, 4)) png_handle_hIST(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_oFFs_SUPPORTED) +#ifdef PNG_READ_oFFs_SUPPORTED else if (!png_memcmp(chunk_name, png_oFFs, 4)) png_handle_oFFs(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_pCAL_SUPPORTED) +#ifdef PNG_READ_pCAL_SUPPORTED else if (!png_memcmp(chunk_name, png_pCAL, 4)) png_handle_pCAL(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_sCAL_SUPPORTED) +#ifdef PNG_READ_sCAL_SUPPORTED else if (!png_memcmp(chunk_name, png_sCAL, 4)) png_handle_sCAL(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_pHYs_SUPPORTED) +#ifdef PNG_READ_pHYs_SUPPORTED else if (!png_memcmp(chunk_name, png_pHYs, 4)) png_handle_pHYs(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_sBIT_SUPPORTED) +#ifdef PNG_READ_sBIT_SUPPORTED else if (!png_memcmp(chunk_name, png_sBIT, 4)) png_handle_sBIT(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED else if (!png_memcmp(chunk_name, png_sRGB, 4)) png_handle_sRGB(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_iCCP_SUPPORTED) +#ifdef PNG_READ_iCCP_SUPPORTED else if (!png_memcmp(chunk_name, png_iCCP, 4)) png_handle_iCCP(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_sPLT_SUPPORTED) +#ifdef PNG_READ_sPLT_SUPPORTED else if (!png_memcmp(chunk_name, png_sPLT, 4)) png_handle_sPLT(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_tEXt_SUPPORTED) +#ifdef PNG_READ_tEXt_SUPPORTED else if (!png_memcmp(chunk_name, png_tEXt, 4)) png_handle_tEXt(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_tIME_SUPPORTED) +#ifdef PNG_READ_tIME_SUPPORTED else if (!png_memcmp(chunk_name, png_tIME, 4)) png_handle_tIME(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_tRNS_SUPPORTED) +#ifdef PNG_READ_tRNS_SUPPORTED else if (!png_memcmp(chunk_name, png_tRNS, 4)) png_handle_tRNS(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_zTXt_SUPPORTED) +#ifdef PNG_READ_zTXt_SUPPORTED else if (!png_memcmp(chunk_name, png_zTXt, 4)) png_handle_zTXt(png_ptr, info_ptr, length); #endif -#if defined(PNG_READ_iTXt_SUPPORTED) +#ifdef PNG_READ_iTXt_SUPPORTED else if (!png_memcmp(chunk_name, png_iTXt, 4)) png_handle_iTXt(png_ptr, info_ptr, length); #endif @@ -996,7 +996,7 @@ png_destroy_read_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, if (info_ptr != NULL) { -#if defined(PNG_TEXT_SUPPORTED) +#ifdef PNG_TEXT_SUPPORTED png_free_data(png_ptr, info_ptr, PNG_FREE_TEXT, -1); #endif @@ -1011,7 +1011,7 @@ png_destroy_read_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, if (end_info_ptr != NULL) { -#if defined(PNG_READ_TEXT_SUPPORTED) +#ifdef PNG_READ_TEXT_SUPPORTED png_free_data(png_ptr, end_info_ptr, PNG_FREE_TEXT, -1); #endif #ifdef PNG_USER_MEM_SUPPORTED @@ -1061,14 +1061,14 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr png_free(png_ptr, png_ptr->big_row_buf); png_free(png_ptr, png_ptr->prev_row); png_free(png_ptr, png_ptr->chunkdata); -#if defined(PNG_READ_DITHER_SUPPORTED) +#ifdef PNG_READ_DITHER_SUPPORTED png_free(png_ptr, png_ptr->palette_lookup); png_free(png_ptr, png_ptr->dither_index); #endif -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED png_free(png_ptr, png_ptr->gamma_table); #endif -#if defined(PNG_READ_BACKGROUND_SUPPORTED) +#ifdef PNG_READ_BACKGROUND_SUPPORTED png_free(png_ptr, png_ptr->gamma_from_1); png_free(png_ptr, png_ptr->gamma_to_1); #endif @@ -1081,12 +1081,12 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr png_free(png_ptr, png_ptr->trans_alpha); png_ptr->free_me &= ~PNG_FREE_TRNS; #endif -#if defined(PNG_READ_hIST_SUPPORTED) +#ifdef PNG_READ_hIST_SUPPORTED if (png_ptr->free_me & PNG_FREE_HIST) png_free(png_ptr, png_ptr->hist); png_ptr->free_me &= ~PNG_FREE_HIST; #endif -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (png_ptr->gamma_16_table != NULL) { int i; @@ -1097,7 +1097,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr } png_free(png_ptr, png_ptr->gamma_16_table); } -#if defined(PNG_READ_BACKGROUND_SUPPORTED) +#ifdef PNG_READ_BACKGROUND_SUPPORTED if (png_ptr->gamma_16_from_1 != NULL) { int i; @@ -1120,7 +1120,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr } #endif #endif -#if defined(PNG_TIME_RFC1123_SUPPORTED) +#ifdef PNG_TIME_RFC1123_SUPPORTED png_free(png_ptr, png_ptr->time_buffer); #endif @@ -1174,7 +1174,7 @@ png_set_read_status_fn(png_structp png_ptr, png_read_status_ptr read_row_fn) #ifdef PNG_SEQUENTIAL_READ_SUPPORTED -#if defined(PNG_INFO_IMAGE_SUPPORTED) +#ifdef PNG_INFO_IMAGE_SUPPORTED void PNGAPI png_read_png(png_structp png_ptr, png_infop info_ptr, int transforms, @@ -1194,14 +1194,14 @@ png_read_png(png_structp png_ptr, png_infop info_ptr, /* -------------- image transformations start here ------------------- */ -#if defined(PNG_READ_16_TO_8_SUPPORTED) +#ifdef PNG_READ_16_TO_8_SUPPORTED /* Tell libpng to strip 16 bit/color files down to 8 bits per color. */ if (transforms & PNG_TRANSFORM_STRIP_16) png_set_strip_16(png_ptr); #endif -#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED) +#ifdef PNG_READ_STRIP_ALPHA_SUPPORTED /* Strip alpha bytes from the input data without combining with * the background (not recommended). */ @@ -1217,7 +1217,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr, png_set_packing(png_ptr); #endif -#if defined(PNG_READ_PACKSWAP_SUPPORTED) +#ifdef PNG_READ_PACKSWAP_SUPPORTED /* Change the order of packed pixels to least significant bit first * (not useful if you are using png_set_packing). */ @@ -1225,7 +1225,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr, png_set_packswap(png_ptr); #endif -#if defined(PNG_READ_EXPAND_SUPPORTED) +#ifdef PNG_READ_EXPAND_SUPPORTED /* Expand paletted colors into true RGB triplets * Expand grayscale images to full 8 bits from 1, 2, or 4 bits/pixel * Expand paletted or RGB images with transparency to full alpha @@ -1241,14 +1241,14 @@ png_read_png(png_structp png_ptr, png_infop info_ptr, /* We don't handle background color or gamma transformation or dithering. */ -#if defined(PNG_READ_INVERT_SUPPORTED) +#ifdef PNG_READ_INVERT_SUPPORTED /* Invert monochrome files to have 0 as white and 1 as black */ if (transforms & PNG_TRANSFORM_INVERT_MONO) png_set_invert_mono(png_ptr); #endif -#if defined(PNG_READ_SHIFT_SUPPORTED) +#ifdef PNG_READ_SHIFT_SUPPORTED /* If you want to shift the pixel values from the range [0,255] or * [0,65535] to the original [0,7] or [0,31], or whatever range the * colors were originally in: @@ -1263,35 +1263,35 @@ png_read_png(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_READ_BGR_SUPPORTED) +#ifdef PNG_READ_BGR_SUPPORTED /* Flip the RGB pixels to BGR (or RGBA to BGRA) */ if (transforms & PNG_TRANSFORM_BGR) png_set_bgr(png_ptr); #endif -#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) +#ifdef PNG_READ_SWAP_ALPHA_SUPPORTED /* Swap the RGBA or GA data to ARGB or AG (or BGRA to ABGR) */ if (transforms & PNG_TRANSFORM_SWAP_ALPHA) png_set_swap_alpha(png_ptr); #endif -#if defined(PNG_READ_SWAP_SUPPORTED) +#ifdef PNG_READ_SWAP_SUPPORTED /* Swap bytes of 16 bit files to least significant byte first */ if (transforms & PNG_TRANSFORM_SWAP_ENDIAN) png_set_swap(png_ptr); #endif -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) +#ifdef PNG_READ_INVERT_ALPHA_SUPPORTED /* Invert the alpha channel from opacity to transparency */ if (transforms & PNG_TRANSFORM_INVERT_ALPHA) png_set_invert_alpha(png_ptr); #endif -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) +#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED /* Expand grayscale image to RGB */ if (transforms & PNG_TRANSFORM_GRAY_TO_RGB) diff --git a/pngrio.c b/pngrio.c index e0a7fa528..4354f31a2 100644 --- a/pngrio.c +++ b/pngrio.c @@ -1,7 +1,7 @@ /* pngrio.c - functions for data input * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -19,7 +19,7 @@ */ #include "png.h" -#if defined(PNG_READ_SUPPORTED) +#ifdef PNG_READ_SUPPORTED #include "pngpriv.h" /* Read the data from whatever input you are using. The default routine @@ -155,7 +155,7 @@ png_set_read_fn(png_structp png_ptr, png_voidp io_ptr, "same structure. Resetting write_data_fn to NULL"); } -#if defined(PNG_WRITE_FLUSH_SUPPORTED) +#ifdef PNG_WRITE_FLUSH_SUPPORTED png_ptr->output_flush_fn = NULL; #endif } diff --git a/pngrtran.c b/pngrtran.c index c874582c4..4b949a8ba 100644 --- a/pngrtran.c +++ b/pngrtran.c @@ -1,7 +1,7 @@ /* pngrtran.c - transforms the data in a row for PNG readers * - * Last changed in libpng 1.4.0 [September 20, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -17,7 +17,7 @@ */ #include "png.h" -#if defined(PNG_READ_SUPPORTED) +#ifdef PNG_READ_SUPPORTED #include "pngpriv.h" /* Set the action on getting a CRC error for an ancillary or critical chunk. */ @@ -115,7 +115,7 @@ png_set_background(png_structp png_ptr, } #endif -#if defined(PNG_READ_16_TO_8_SUPPORTED) +#ifdef PNG_READ_16_TO_8_SUPPORTED /* Strip 16 bit depth files to 8 bit depth */ void PNGAPI png_set_strip_16(png_structp png_ptr) @@ -128,7 +128,7 @@ png_set_strip_16(png_structp png_ptr) } #endif -#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED) +#ifdef PNG_READ_STRIP_ALPHA_SUPPORTED void PNGAPI png_set_strip_alpha(png_structp png_ptr) { @@ -140,7 +140,7 @@ png_set_strip_alpha(png_structp png_ptr) } #endif -#if defined(PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED) +#ifdef PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED void PNGAPI png_set_premultiply_alpha(png_structp png_ptr) { @@ -156,7 +156,7 @@ png_set_premultiply_alpha(png_structp png_ptr) } #endif -#if defined(PNG_READ_DITHER_SUPPORTED) +#ifdef PNG_READ_DITHER_SUPPORTED /* Dither file to 8 bit. Supply a palette, the current number * of elements in the palette, the maximum number of elements * allowed, and a histogram if possible. If the current number @@ -577,7 +577,7 @@ png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma) } #endif -#if defined(PNG_READ_EXPAND_SUPPORTED) +#ifdef PNG_READ_EXPAND_SUPPORTED /* Expand paletted images to RGB, expand grayscale images of * less than 8-bit depth to 8-bit depth, and expand tRNS chunks * to alpha channels. @@ -650,7 +650,7 @@ png_set_tRNS_to_alpha(png_structp png_ptr) } #endif /* defined(PNG_READ_EXPAND_SUPPORTED) */ -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) +#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED void PNGAPI png_set_gray_to_rgb(png_structp png_ptr) { @@ -661,8 +661,8 @@ png_set_gray_to_rgb(png_structp png_ptr) } #endif -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) -#if defined(PNG_FLOATING_POINT_SUPPORTED) +#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED +#ifdef PNG_FLOATING_POINT_SUPPORTED /* Convert a RGB image to a grayscale of the same width. This allows us, * for example, to convert a 24 bpp RGB image into an 8 bpp grayscale image. */ @@ -699,7 +699,7 @@ png_set_rgb_to_gray_fixed(png_structp png_ptr, int error_action, case 3: png_ptr->transformations |= PNG_RGB_TO_GRAY_ERR; } if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) -#if defined(PNG_READ_EXPAND_SUPPORTED) +#ifdef PNG_READ_EXPAND_SUPPORTED png_ptr->transformations |= PNG_EXPAND; #else { @@ -745,7 +745,7 @@ png_set_read_user_transform_fn(png_structp png_ptr, png_user_transform_ptr if (png_ptr == NULL) return; -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) +#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED png_ptr->transformations |= PNG_USER_TRANSFORM; png_ptr->read_user_transform_fn = read_user_transform_fn; #endif @@ -768,7 +768,7 @@ png_init_read_transformations(png_structp png_ptr) #if defined(PNG_READ_EXPAND_SUPPORTED) && defined(PNG_READ_BACKGROUND_SUPPORTED) -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) +#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED /* Detect gray background and attempt to enable optimization * for gray --> RGB case * @@ -855,10 +855,10 @@ png_init_read_transformations(png_structp png_ptr) png_ptr->background.blue = png_ptr->palette[png_ptr->background.index].blue; -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) +#ifdef PNG_READ_INVERT_ALPHA_SUPPORTED if (png_ptr->transformations & PNG_INVERT_ALPHA) { -#if defined(PNG_READ_EXPAND_SUPPORTED) +#ifdef PNG_READ_EXPAND_SUPPORTED if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) #endif { @@ -901,7 +901,7 @@ png_init_read_transformations(png_structp png_ptr) png_ptr->gamma != 0.0) { png_build_gamma_table(png_ptr); -#if defined(PNG_READ_BACKGROUND_SUPPORTED) +#ifdef PNG_READ_BACKGROUND_SUPPORTED if (png_ptr->transformations & PNG_BACKGROUND) { if (color_type == PNG_COLOR_TYPE_PALETTE) @@ -1091,11 +1091,11 @@ png_init_read_transformations(png_structp png_ptr) png_ptr->transformations &= ~PNG_GAMMA; } } -#if defined(PNG_READ_BACKGROUND_SUPPORTED) +#ifdef PNG_READ_BACKGROUND_SUPPORTED else #endif #endif /* PNG_READ_GAMMA_SUPPORTED && PNG_FLOATING_POINT_SUPPORTED */ -#if defined(PNG_READ_BACKGROUND_SUPPORTED) +#ifdef PNG_READ_BACKGROUND_SUPPORTED /* No GAMMA transformation */ if ((png_ptr->transformations & PNG_BACKGROUND) && (color_type == PNG_COLOR_TYPE_PALETTE)) @@ -1133,7 +1133,7 @@ png_init_read_transformations(png_structp png_ptr) } #endif /* PNG_READ_BACKGROUND_SUPPORTED */ -#if defined(PNG_READ_SHIFT_SUPPORTED) +#ifdef PNG_READ_SHIFT_SUPPORTED if ((png_ptr->transformations & PNG_SHIFT) && (color_type == PNG_COLOR_TYPE_PALETTE)) { @@ -1174,7 +1174,7 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) { png_debug(1, "in png_read_transform_info"); -#if defined(PNG_READ_EXPAND_SUPPORTED) +#ifdef PNG_READ_EXPAND_SUPPORTED if (png_ptr->transformations & PNG_EXPAND) { if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) @@ -1201,7 +1201,7 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_BACKGROUND_SUPPORTED) +#ifdef PNG_READ_BACKGROUND_SUPPORTED if (png_ptr->transformations & PNG_BACKGROUND) { info_ptr->color_type &= ~PNG_COLOR_MASK_ALPHA; @@ -1210,7 +1210,7 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (png_ptr->transformations & PNG_GAMMA) { #ifdef PNG_FLOATING_POINT_SUPPORTED @@ -1222,22 +1222,22 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_16_TO_8_SUPPORTED) +#ifdef PNG_READ_16_TO_8_SUPPORTED if ((png_ptr->transformations & PNG_16_TO_8) && (info_ptr->bit_depth == 16)) info_ptr->bit_depth = 8; #endif -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) +#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED if (png_ptr->transformations & PNG_GRAY_TO_RGB) info_ptr->color_type |= PNG_COLOR_MASK_COLOR; #endif -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) +#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED if (png_ptr->transformations & PNG_RGB_TO_GRAY) info_ptr->color_type &= ~PNG_COLOR_MASK_COLOR; #endif -#if defined(PNG_READ_DITHER_SUPPORTED) +#ifdef PNG_READ_DITHER_SUPPORTED if (png_ptr->transformations & PNG_DITHER) { if (((info_ptr->color_type == PNG_COLOR_TYPE_RGB) || @@ -1249,7 +1249,7 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) } #endif -#if defined(PNG_READ_PACK_SUPPORTED) +#ifdef PNG_READ_PACK_SUPPORTED if ((png_ptr->transformations & PNG_PACK) && (info_ptr->bit_depth < 8)) info_ptr->bit_depth = 8; #endif @@ -1261,7 +1261,7 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) else info_ptr->channels = 1; -#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED) +#ifdef PNG_READ_STRIP_ALPHA_SUPPORTED if (png_ptr->flags & PNG_FLAG_STRIP_ALPHA) info_ptr->color_type &= ~PNG_COLOR_MASK_ALPHA; #endif @@ -1269,7 +1269,7 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr) if (info_ptr->color_type & PNG_COLOR_MASK_ALPHA) info_ptr->channels++; -#if defined(PNG_READ_FILLER_SUPPORTED) +#ifdef PNG_READ_FILLER_SUPPORTED /* STRIP_ALPHA and FILLER allowed: MASK_ALPHA bit stripped above */ if ((png_ptr->transformations & PNG_FILLER) && ((info_ptr->color_type == PNG_COLOR_TYPE_RGB) || @@ -1339,7 +1339,7 @@ png_do_read_transformations(png_structp png_ptr) #endif #endif -#if defined(PNG_READ_EXPAND_SUPPORTED) +#ifdef PNG_READ_EXPAND_SUPPORTED if (png_ptr->transformations & PNG_EXPAND) { if (png_ptr->row_info.color_type == PNG_COLOR_TYPE_PALETTE) @@ -1360,13 +1360,13 @@ png_do_read_transformations(png_structp png_ptr) } #endif -#if defined(PNG_READ_STRIP_ALPHA_SUPPORTED) +#ifdef PNG_READ_STRIP_ALPHA_SUPPORTED if (png_ptr->flags & PNG_FLAG_STRIP_ALPHA) png_do_strip_filler(&(png_ptr->row_info), png_ptr->row_buf + 1, PNG_FLAG_FILLER_AFTER | (png_ptr->flags & PNG_FLAG_STRIP_ALPHA)); #endif -#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) +#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED if (png_ptr->transformations & PNG_RGB_TO_GRAY) { int rgb_error = @@ -1415,7 +1415,7 @@ png_do_read_transformations(png_structp png_ptr) * transform appropriately, then it would save a lot of work/time. */ -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) +#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED /* If gray -> RGB, do so now only if background is non-gray; else do later * for performance reasons */ @@ -1424,18 +1424,18 @@ png_do_read_transformations(png_structp png_ptr) png_do_gray_to_rgb(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_16_TO_8_SUPPORTED) +#ifdef PNG_READ_16_TO_8_SUPPORTED if (png_ptr->transformations & PNG_16_TO_8) png_do_chop(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_BACKGROUND_SUPPORTED) +#ifdef PNG_READ_BACKGROUND_SUPPORTED if ((png_ptr->transformations & PNG_BACKGROUND) && ((png_ptr->num_trans != 0 ) || (png_ptr->color_type & PNG_COLOR_MASK_ALPHA))) png_do_background(&(png_ptr->row_info), png_ptr->row_buf + 1, &(png_ptr->trans_color), &(png_ptr->background) -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED , &(png_ptr->background_1), png_ptr->gamma_table, png_ptr->gamma_from_1, png_ptr->gamma_to_1, png_ptr->gamma_16_table, @@ -1445,9 +1445,9 @@ png_do_read_transformations(png_structp png_ptr) ); #endif -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if ((png_ptr->transformations & PNG_GAMMA) && -#if defined(PNG_READ_BACKGROUND_SUPPORTED) +#ifdef PNG_READ_BACKGROUND_SUPPORTED !((png_ptr->transformations & PNG_BACKGROUND) && ((png_ptr->num_trans != 0) || (png_ptr->color_type & PNG_COLOR_MASK_ALPHA))) && @@ -1458,7 +1458,7 @@ png_do_read_transformations(png_structp png_ptr) png_ptr->gamma_shift); #endif -#if defined(PNG_READ_DITHER_SUPPORTED) +#ifdef PNG_READ_DITHER_SUPPORTED if (png_ptr->transformations & PNG_DITHER) { png_do_dither((png_row_infop)&(png_ptr->row_info), png_ptr->row_buf + 1, @@ -1468,67 +1468,67 @@ png_do_read_transformations(png_structp png_ptr) } #endif -#if defined(PNG_READ_INVERT_SUPPORTED) +#ifdef PNG_READ_INVERT_SUPPORTED if (png_ptr->transformations & PNG_INVERT_MONO) png_do_invert(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_SHIFT_SUPPORTED) +#ifdef PNG_READ_SHIFT_SUPPORTED if (png_ptr->transformations & PNG_SHIFT) png_do_unshift(&(png_ptr->row_info), png_ptr->row_buf + 1, &(png_ptr->shift)); #endif -#if defined(PNG_READ_PACK_SUPPORTED) +#ifdef PNG_READ_PACK_SUPPORTED if (png_ptr->transformations & PNG_PACK) png_do_unpack(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_BGR_SUPPORTED) +#ifdef PNG_READ_BGR_SUPPORTED if (png_ptr->transformations & PNG_BGR) png_do_bgr(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_PACKSWAP_SUPPORTED) +#ifdef PNG_READ_PACKSWAP_SUPPORTED if (png_ptr->transformations & PNG_PACKSWAP) png_do_packswap(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) +#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED /* If gray -> RGB, do so now only if we did not do so above */ if ((png_ptr->transformations & PNG_GRAY_TO_RGB) && (png_ptr->mode & PNG_BACKGROUND_IS_GRAY)) png_do_gray_to_rgb(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_FILLER_SUPPORTED) +#ifdef PNG_READ_FILLER_SUPPORTED if (png_ptr->transformations & PNG_FILLER) png_do_read_filler(&(png_ptr->row_info), png_ptr->row_buf + 1, (png_uint_32)png_ptr->filler, png_ptr->flags); #endif -#if defined(PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED) +#ifdef PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED if (png_ptr->transformations & PNG_PREMULTIPLY_ALPHA) png_do_read_premultiply_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) +#ifdef PNG_READ_INVERT_ALPHA_SUPPORTED if (png_ptr->transformations & PNG_INVERT_ALPHA) png_do_read_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) +#ifdef PNG_READ_SWAP_ALPHA_SUPPORTED if (png_ptr->transformations & PNG_SWAP_ALPHA) png_do_read_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_SWAP_SUPPORTED) +#ifdef PNG_READ_SWAP_SUPPORTED if (png_ptr->transformations & PNG_SWAP_BYTES) png_do_swap(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) +#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED if (png_ptr->transformations & PNG_USER_TRANSFORM) { if (png_ptr->read_user_transform_fn != NULL) @@ -1542,7 +1542,7 @@ png_do_read_transformations(png_structp png_ptr) /* png_byte channels; number of channels (1-4) */ /* png_byte pixel_depth; bits per pixel (depth*channels) */ png_ptr->row_buf + 1); /* start of pixel data for row */ -#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) +#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED if (png_ptr->user_transform_depth) png_ptr->row_info.bit_depth = png_ptr->user_transform_depth; if (png_ptr->user_transform_channels) @@ -1557,7 +1557,7 @@ png_do_read_transformations(png_structp png_ptr) } -#if defined(PNG_READ_PACK_SUPPORTED) +#ifdef PNG_READ_PACK_SUPPORTED /* Unpack pixels of 1, 2, or 4 bits per pixel into 1 byte per pixel, * without changing the actual values. Thus, if you had a row with * a bit depth of 1, you would end up with bytes that only contained @@ -1647,7 +1647,7 @@ png_do_unpack(png_row_infop row_info, png_bytep row) } #endif -#if defined(PNG_READ_SHIFT_SUPPORTED) +#ifdef PNG_READ_SHIFT_SUPPORTED /* Reverse the effects of png_do_shift. This routine merely shifts the * pixels back to their significant bits values. Thus, if you have * a row of bit depth 8, but only 5 are significant, this will shift @@ -1758,7 +1758,7 @@ png_do_unshift(png_row_infop row_info, png_bytep row, png_color_8p sig_bits) } #endif -#if defined(PNG_READ_16_TO_8_SUPPORTED) +#ifdef PNG_READ_16_TO_8_SUPPORTED /* Chop rows of bit depth 16 down to 8 */ void /* PRIVATE */ png_do_chop(png_row_infop row_info, png_bytep row) @@ -1774,7 +1774,7 @@ png_do_chop(png_row_infop row_info, png_bytep row) for (i = 0; i (THIS LINK IS DEAD June 2008) @@ -2642,7 +2642,7 @@ png_build_grayscale_palette(int bit_depth, png_colorp palette) } -#if defined(PNG_READ_BACKGROUND_SUPPORTED) +#ifdef PNG_READ_BACKGROUND_SUPPORTED /* Replace any alpha or transparency with the supplied background color. * "background" is already in the screen gamma, while "background_1" is * at a gamma of 1.0. Paletted files have already been taken care of. @@ -2650,7 +2650,7 @@ png_build_grayscale_palette(int bit_depth, png_colorp palette) void /* PRIVATE */ png_do_background(png_row_infop row_info, png_bytep row, png_color_16p trans_color, png_color_16p background -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED , png_color_16p background_1, png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1, png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1, @@ -2700,7 +2700,7 @@ png_do_background(png_row_infop row_info, png_bytep row, case 2: { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_table != NULL) { sp = row; @@ -2757,7 +2757,7 @@ png_do_background(png_row_infop row_info, png_bytep row, case 4: { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_table != NULL) { sp = row; @@ -2814,7 +2814,7 @@ png_do_background(png_row_infop row_info, png_bytep row, case 8: { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_table != NULL) { sp = row; @@ -2847,7 +2847,7 @@ png_do_background(png_row_infop row_info, png_bytep row, case 16: { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_16 != NULL) { sp = row; @@ -2896,7 +2896,7 @@ png_do_background(png_row_infop row_info, png_bytep row, { if (row_info->bit_depth == 8) { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_table != NULL) { sp = row; @@ -2937,7 +2937,7 @@ png_do_background(png_row_infop row_info, png_bytep row, } else /* if (row_info->bit_depth == 16) */ { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_16 != NULL) { sp = row; @@ -3001,7 +3001,7 @@ png_do_background(png_row_infop row_info, png_bytep row, { if (row_info->bit_depth == 8) { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_to_1 != NULL && gamma_from_1 != NULL && gamma_table != NULL) { @@ -3043,7 +3043,7 @@ png_do_background(png_row_infop row_info, png_bytep row, { *dp = *sp; } -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED else if (a == 0) { *dp = (png_byte)background->gray; @@ -3060,7 +3060,7 @@ png_do_background(png_row_infop row_info, png_bytep row, } else /* if (png_ptr->bit_depth == 16) */ { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_16 != NULL && gamma_16_from_1 != NULL && gamma_16_to_1 != NULL) { @@ -3078,7 +3078,7 @@ png_do_background(png_row_infop row_info, png_bytep row, *dp = (png_byte)((v >> 8) & 0xff); *(dp + 1) = (png_byte)(v & 0xff); } -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED else if (a == 0) #else else @@ -3088,7 +3088,7 @@ png_do_background(png_row_infop row_info, png_bytep row, *dp = (png_byte)((background->gray >> 8) & 0xff); *(dp + 1) = (png_byte)(background->gray & 0xff); } -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED else { png_uint_16 g, v, w; @@ -3114,7 +3114,7 @@ png_do_background(png_row_infop row_info, png_bytep row, { png_memcpy(dp, sp, 2); } -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED else if (a == 0) #else else @@ -3123,7 +3123,7 @@ png_do_background(png_row_infop row_info, png_bytep row, *dp = (png_byte)((background->gray >> 8) & 0xff); *(dp + 1) = (png_byte)(background->gray & 0xff); } -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED else { png_uint_16 g, v; @@ -3144,7 +3144,7 @@ png_do_background(png_row_infop row_info, png_bytep row, { if (row_info->bit_depth == 8) { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_to_1 != NULL && gamma_from_1 != NULL && gamma_table != NULL) { @@ -3217,7 +3217,7 @@ png_do_background(png_row_infop row_info, png_bytep row, } else /* if (row_info->bit_depth == 16) */ { -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED if (gamma_16 != NULL && gamma_16_from_1 != NULL && gamma_16_to_1 != NULL) { @@ -3334,7 +3334,7 @@ png_do_background(png_row_infop row_info, png_bytep row, } #endif -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED /* Gamma correct the image, avoiding the alpha channel. Make sure * you do this after you deal with the transparency issue on grayscale * or RGB images. If your bit depth is 8, use gamma_table, if it @@ -3523,7 +3523,7 @@ png_do_gamma(png_row_infop row_info, png_bytep row, } #endif -#if defined(PNG_READ_EXPAND_SUPPORTED) +#ifdef PNG_READ_EXPAND_SUPPORTED /* Expands a palette row to an RGB or RGBA row depending * upon whether you supply trans and num_trans. */ @@ -3880,7 +3880,7 @@ png_do_expand(png_row_infop row_info, png_bytep row, } #endif -#if defined(PNG_READ_DITHER_SUPPORTED) +#ifdef PNG_READ_DITHER_SUPPORTED void /* PRIVATE */ png_do_dither(png_row_infop row_info, png_bytep row, png_bytep palette_lookup, png_bytep dither_lookup) @@ -3970,7 +3970,7 @@ png_do_dither(png_row_infop row_info, png_bytep row, #endif #ifdef PNG_FLOATING_POINT_SUPPORTED -#if defined(PNG_READ_GAMMA_SUPPORTED) +#ifdef PNG_READ_GAMMA_SUPPORTED static PNG_CONST int png_gamma_shift[] = {0x10, 0x21, 0x42, 0x84, 0x110, 0x248, 0x550, 0xff0, 0x00}; @@ -4228,7 +4228,7 @@ png_build_gamma_table(png_structp png_ptr) /* To do: install integer version of png_build_gamma_table here */ #endif -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED /* Undoes intrapixel differencing */ void /* PRIVATE */ png_do_read_intrapixel(png_row_infop row_info, png_bytep row) diff --git a/pngrutil.c b/pngrutil.c index d1a0d6dc1..cbcf704b6 100644 --- a/pngrutil.c +++ b/pngrutil.c @@ -1,7 +1,7 @@ /* pngrutil.c - utilities to read a PNG file * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -15,7 +15,7 @@ */ #include "png.h" -#if defined(PNG_READ_SUPPORTED) +#ifdef PNG_READ_SUPPORTED #include "pngpriv.h" # define png_strtod(p,a,b) strtod(a,b) @@ -315,7 +315,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type, } if (ret != Z_STREAM_END) { -#if defined(PNG_STDIO_SUPPORTED) +#ifdef PNG_STDIO_SUPPORTED char umsg[52]; if (ret == Z_BUF_ERROR) @@ -362,7 +362,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type, } else /* if (comp_type != PNG_COMPRESSION_TYPE_BASE) */ { -#if defined(PNG_STDIO_SUPPORTED) +#ifdef PNG_STDIO_SUPPORTED char umsg[50]; png_snprintf(umsg, 50, "Unknown zTXt compression type %d", comp_type); @@ -414,7 +414,7 @@ png_handle_IHDR(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) png_ptr->bit_depth = (png_byte)bit_depth; png_ptr->interlaced = (png_byte)interlace_type; png_ptr->color_type = (png_byte)color_type; -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED png_ptr->filter_type = (png_byte)filter_type; #endif png_ptr->compression_type = (png_byte)compression_type; @@ -573,7 +573,7 @@ png_handle_PLTE(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) png_set_PLTE(png_ptr, info_ptr, palette, num); -#if defined(PNG_READ_tRNS_SUPPORTED) +#ifdef PNG_READ_tRNS_SUPPORTED if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) { if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS)) @@ -615,7 +615,7 @@ png_handle_IEND(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) info_ptr = info_ptr; /* Quiet compiler warnings about unused info_ptr */ } -#if defined(PNG_READ_gAMA_SUPPORTED) +#ifdef PNG_READ_gAMA_SUPPORTED void /* PRIVATE */ png_handle_gAMA(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -640,7 +640,7 @@ png_handle_gAMA(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) png_warning(png_ptr, "Out of place gAMA chunk"); if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_gAMA) -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED && !(info_ptr->valid & PNG_INFO_sRGB) #endif ) @@ -670,7 +670,7 @@ png_handle_gAMA(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) return; } -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB)) if (PNG_OUT_OF_RANGE(igamma, 45500L, 500)) { @@ -696,7 +696,7 @@ png_handle_gAMA(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_sBIT_SUPPORTED) +#ifdef PNG_READ_sBIT_SUPPORTED void /* PRIVATE */ png_handle_sBIT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -762,7 +762,7 @@ png_handle_sBIT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_cHRM_SUPPORTED) +#ifdef PNG_READ_cHRM_SUPPORTED void /* PRIVATE */ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -790,7 +790,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) png_warning(png_ptr, "Missing PLTE before cHRM"); if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_cHRM) -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED && !(info_ptr->valid & PNG_INFO_sRGB) #endif ) @@ -842,7 +842,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) blue_y = (float)int_y_blue / (float)100000.0; #endif -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED if ((info_ptr != NULL) && (info_ptr->valid & PNG_INFO_sRGB)) { if (PNG_OUT_OF_RANGE(int_x_white, 31270, 1000) || @@ -886,7 +886,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_sRGB_SUPPORTED) +#ifdef PNG_READ_sRGB_SUPPORTED void /* PRIVATE */ png_handle_sRGB(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -984,7 +984,7 @@ png_handle_sRGB(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif /* PNG_READ_sRGB_SUPPORTED */ -#if defined(PNG_READ_iCCP_SUPPORTED) +#ifdef PNG_READ_iCCP_SUPPORTED void /* PRIVATE */ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) /* Note: this does not properly handle chunks that are > 64K under DOS */ @@ -1104,7 +1104,7 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif /* PNG_READ_iCCP_SUPPORTED */ -#if defined(PNG_READ_sPLT_SUPPORTED) +#ifdef PNG_READ_sPLT_SUPPORTED void /* PRIVATE */ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) /* Note: this does not properly handle chunks that are > 64K under DOS */ @@ -1266,7 +1266,7 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif /* PNG_READ_sPLT_SUPPORTED */ -#if defined(PNG_READ_tRNS_SUPPORTED) +#ifdef PNG_READ_tRNS_SUPPORTED void /* PRIVATE */ png_handle_tRNS(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -1361,7 +1361,7 @@ png_handle_tRNS(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_bKGD_SUPPORTED) +#ifdef PNG_READ_bKGD_SUPPORTED void /* PRIVATE */ png_handle_bKGD(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -1450,7 +1450,7 @@ png_handle_bKGD(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_hIST_SUPPORTED) +#ifdef PNG_READ_hIST_SUPPORTED void /* PRIVATE */ png_handle_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -1504,7 +1504,7 @@ png_handle_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_pHYs_SUPPORTED) +#ifdef PNG_READ_pHYs_SUPPORTED void /* PRIVATE */ png_handle_pHYs(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -1547,7 +1547,7 @@ png_handle_pHYs(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_oFFs_SUPPORTED) +#ifdef PNG_READ_oFFs_SUPPORTED void /* PRIVATE */ png_handle_oFFs(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -1590,7 +1590,7 @@ png_handle_oFFs(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_pCAL_SUPPORTED) +#ifdef PNG_READ_pCAL_SUPPORTED /* Read the pCAL chunk (described in the PNG Extensions document) */ void /* PRIVATE */ png_handle_pCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) @@ -1724,7 +1724,7 @@ png_handle_pCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_sCAL_SUPPORTED) +#ifdef PNG_READ_sCAL_SUPPORTED /* Read the sCAL chunk */ void /* PRIVATE */ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) @@ -1867,7 +1867,7 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_tIME_SUPPORTED) +#ifdef PNG_READ_tIME_SUPPORTED void /* PRIVATE */ png_handle_tIME(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) { @@ -1910,7 +1910,7 @@ png_handle_tIME(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_tEXt_SUPPORTED) +#ifdef PNG_READ_tEXt_SUPPORTED /* Note: this does not properly handle chunks that are > 64K under DOS */ void /* PRIVATE */ png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) @@ -2013,7 +2013,7 @@ png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_zTXt_SUPPORTED) +#ifdef PNG_READ_zTXt_SUPPORTED /* Note: this does not correctly handle chunks that are > 64K under DOS */ void /* PRIVATE */ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) @@ -2133,7 +2133,7 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } #endif -#if defined(PNG_READ_iTXt_SUPPORTED) +#ifdef PNG_READ_iTXt_SUPPORTED /* Note: this does not correctly handle chunks that are > 64K under DOS */ void /* PRIVATE */ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) @@ -2310,17 +2310,17 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) if (png_ptr->mode & PNG_HAVE_IDAT) { - PNG_CONST PNG_IDAT; + PNG_IDAT; if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) /* Not an IDAT */ png_ptr->mode |= PNG_AFTER_IDAT; } if (!(png_ptr->chunk_name[0] & 0x20)) { -#if defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED) +#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) != PNG_HANDLE_CHUNK_ALWAYS -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) +#ifdef PNG_READ_USER_CHUNKS_SUPPORTED && png_ptr->read_user_chunk_fn == NULL #endif ) @@ -2328,9 +2328,9 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) png_chunk_error(png_ptr, "unknown critical chunk"); } -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED if ((png_ptr->flags & PNG_FLAG_KEEP_UNKNOWN_CHUNKS) -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) +#ifdef PNG_READ_USER_CHUNKS_SUPPORTED || (png_ptr->read_user_chunk_fn != NULL) #endif ) @@ -2355,7 +2355,7 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, length); png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length); } -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) +#ifdef PNG_READ_USER_CHUNKS_SUPPORTED if (png_ptr->read_user_chunk_fn != NULL) { /* Callback to user unknown chunk handler */ @@ -2367,7 +2367,7 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) if (ret == 0) { if (!(png_ptr->chunk_name[0] & 0x20)) -#if defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED) +#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name) != PNG_HANDLE_CHUNK_ALWAYS) #endif @@ -2446,7 +2446,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask) png_uint_32 i; png_uint_32 row_width = png_ptr->width; -#if defined(PNG_READ_PACKSWAP_SUPPORTED) +#ifdef PNG_READ_PACKSWAP_SUPPORTED if (png_ptr->transformations & PNG_PACKSWAP) { s_start = 0; @@ -2501,7 +2501,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask) png_uint_32 row_width = png_ptr->width; int value; -#if defined(PNG_READ_PACKSWAP_SUPPORTED) +#ifdef PNG_READ_PACKSWAP_SUPPORTED if (png_ptr->transformations & PNG_PACKSWAP) { s_start = 0; @@ -2553,7 +2553,7 @@ png_combine_row(png_structp png_ptr, png_bytep row, int mask) png_uint_32 row_width = png_ptr->width; int value; -#if defined(PNG_READ_PACKSWAP_SUPPORTED) +#ifdef PNG_READ_PACKSWAP_SUPPORTED if (png_ptr->transformations & PNG_PACKSWAP) { s_start = 0; @@ -2660,7 +2660,7 @@ png_do_read_interlace(png_structp png_ptr) png_uint_32 i; int j; -#if defined(PNG_READ_PACKSWAP_SUPPORTED) +#ifdef PNG_READ_PACKSWAP_SUPPORTED if (transformations & PNG_PACKSWAP) { sshift = (int)((row_info->width + 7) & 0x07); @@ -2713,7 +2713,7 @@ png_do_read_interlace(png_structp png_ptr) int jstop = png_pass_inc[pass]; png_uint_32 i; -#if defined(PNG_READ_PACKSWAP_SUPPORTED) +#ifdef PNG_READ_PACKSWAP_SUPPORTED if (transformations & PNG_PACKSWAP) { sshift = (int)(((row_info->width + 3) & 0x03) << 1); @@ -2769,7 +2769,7 @@ png_do_read_interlace(png_structp png_ptr) png_uint_32 i; int jstop = png_pass_inc[pass]; -#if defined(PNG_READ_PACKSWAP_SUPPORTED) +#ifdef PNG_READ_PACKSWAP_SUPPORTED if (transformations & PNG_PACKSWAP) { sshift = (int)(((row_info->width + 1) & 0x01) << 2); @@ -3036,7 +3036,7 @@ png_read_finish_row(png_structp png_ptr) if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)) { - PNG_CONST PNG_IDAT; + PNG_IDAT; char extra; int ret; @@ -3153,12 +3153,12 @@ png_read_start_row(png_structp png_ptr) } max_pixel_depth = png_ptr->pixel_depth; -#if defined(PNG_READ_PACK_SUPPORTED) +#ifdef PNG_READ_PACK_SUPPORTED if ((png_ptr->transformations & PNG_PACK) && png_ptr->bit_depth < 8) max_pixel_depth = 8; #endif -#if defined(PNG_READ_EXPAND_SUPPORTED) +#ifdef PNG_READ_EXPAND_SUPPORTED if (png_ptr->transformations & PNG_EXPAND) { if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) @@ -3186,7 +3186,7 @@ png_read_start_row(png_structp png_ptr) } #endif -#if defined(PNG_READ_FILLER_SUPPORTED) +#ifdef PNG_READ_FILLER_SUPPORTED if (png_ptr->transformations & (PNG_FILLER)) { if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) @@ -3208,14 +3208,14 @@ png_read_start_row(png_structp png_ptr) } #endif -#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED) +#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED if (png_ptr->transformations & PNG_GRAY_TO_RGB) { if ( -#if defined(PNG_READ_EXPAND_SUPPORTED) +#ifdef PNG_READ_EXPAND_SUPPORTED (png_ptr->num_trans && (png_ptr->transformations & PNG_EXPAND)) || #endif -#if defined(PNG_READ_FILLER_SUPPORTED) +#ifdef PNG_READ_FILLER_SUPPORTED (png_ptr->transformations & (PNG_FILLER)) || #endif png_ptr->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) diff --git a/pngset.c b/pngset.c index 254377e71..76bbbf1d3 100644 --- a/pngset.c +++ b/pngset.c @@ -1,7 +1,7 @@ /* pngset.c - storage of image information into info struct * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -20,7 +20,7 @@ #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) #include "pngpriv.h" -#if defined(PNG_bKGD_SUPPORTED) +#ifdef PNG_bKGD_SUPPORTED void PNGAPI png_set_bKGD(png_structp png_ptr, png_infop info_ptr, png_color_16p background) { @@ -34,7 +34,7 @@ png_set_bKGD(png_structp png_ptr, png_infop info_ptr, png_color_16p background) } #endif -#if defined(PNG_cHRM_SUPPORTED) +#ifdef PNG_cHRM_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED void PNGAPI png_set_cHRM(png_structp png_ptr, png_infop info_ptr, @@ -80,7 +80,7 @@ png_set_cHRM_fixed(png_structp png_ptr, png_infop info_ptr, if (png_ptr == NULL || info_ptr == NULL) return; -#if defined(PNG_CHECK_cHRM_SUPPORTED) +#ifdef PNG_CHECK_cHRM_SUPPORTED if (png_check_cHRM_fixed(png_ptr, white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y)) #endif @@ -109,7 +109,7 @@ png_set_cHRM_fixed(png_structp png_ptr, png_infop info_ptr, #endif /* PNG_FIXED_POINT_SUPPORTED */ #endif /* PNG_cHRM_SUPPORTED */ -#if defined(PNG_gAMA_SUPPORTED) +#ifdef PNG_gAMA_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED void PNGAPI png_set_gAMA(png_structp png_ptr, png_infop info_ptr, double file_gamma) @@ -176,7 +176,7 @@ png_set_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, png_fixed_point } #endif -#if defined(PNG_hIST_SUPPORTED) +#ifdef PNG_hIST_SUPPORTED void PNGAPI png_set_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p hist) { @@ -268,7 +268,7 @@ png_set_IHDR(png_structp png_ptr, png_infop info_ptr, if (compression_type != PNG_COMPRESSION_TYPE_BASE) png_error(png_ptr, "Unknown compression method in IHDR"); -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED /* Accept filter_method 64 (intrapixel differencing) only if * 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and * 2. Libpng did not read a PNG signature (this filter_method is only @@ -325,7 +325,7 @@ png_set_IHDR(png_structp png_ptr, png_infop info_ptr, info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width); } -#if defined(PNG_oFFs_SUPPORTED) +#ifdef PNG_oFFs_SUPPORTED void PNGAPI png_set_oFFs(png_structp png_ptr, png_infop info_ptr, png_int_32 offset_x, png_int_32 offset_y, int unit_type) @@ -342,7 +342,7 @@ png_set_oFFs(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_pCAL_SUPPORTED) +#ifdef PNG_pCAL_SUPPORTED void PNGAPI png_set_pCAL(png_structp png_ptr, png_infop info_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, @@ -477,7 +477,7 @@ png_set_sCAL_s(png_structp png_ptr, png_infop info_ptr, #endif #endif -#if defined(PNG_pHYs_SUPPORTED) +#ifdef PNG_pHYs_SUPPORTED void PNGAPI png_set_pHYs(png_structp png_ptr, png_infop info_ptr, png_uint_32 res_x, png_uint_32 res_y, int unit_type) @@ -537,7 +537,7 @@ png_set_PLTE(png_structp png_ptr, png_infop info_ptr, info_ptr->valid |= PNG_INFO_PLTE; } -#if defined(PNG_sBIT_SUPPORTED) +#ifdef PNG_sBIT_SUPPORTED void PNGAPI png_set_sBIT(png_structp png_ptr, png_infop info_ptr, png_color_8p sig_bit) @@ -552,7 +552,7 @@ png_set_sBIT(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_sRGB_SUPPORTED) +#ifdef PNG_sRGB_SUPPORTED void PNGAPI png_set_sRGB(png_structp png_ptr, png_infop info_ptr, int intent) { @@ -569,7 +569,7 @@ void PNGAPI png_set_sRGB_gAMA_and_cHRM(png_structp png_ptr, png_infop info_ptr, int intent) { -#if defined(PNG_gAMA_SUPPORTED) +#ifdef PNG_gAMA_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED float file_gamma; #endif @@ -577,7 +577,7 @@ png_set_sRGB_gAMA_and_cHRM(png_structp png_ptr, png_infop info_ptr, png_fixed_point int_file_gamma; #endif #endif -#if defined(PNG_cHRM_SUPPORTED) +#ifdef PNG_cHRM_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED float white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y; #endif @@ -591,7 +591,7 @@ png_set_sRGB_gAMA_and_cHRM(png_structp png_ptr, png_infop info_ptr, png_set_sRGB(png_ptr, info_ptr, intent); -#if defined(PNG_gAMA_SUPPORTED) +#ifdef PNG_gAMA_SUPPORTED #ifdef PNG_FLOATING_POINT_SUPPORTED file_gamma = (float).45455; png_set_gAMA(png_ptr, info_ptr, file_gamma); @@ -602,7 +602,7 @@ png_set_sRGB_gAMA_and_cHRM(png_structp png_ptr, png_infop info_ptr, #endif #endif -#if defined(PNG_cHRM_SUPPORTED) +#ifdef PNG_cHRM_SUPPORTED int_white_x = 31270L; int_white_y = 32900L; int_red_x = 64000L; @@ -623,7 +623,7 @@ png_set_sRGB_gAMA_and_cHRM(png_structp png_ptr, png_infop info_ptr, blue_y = (float).06; #endif -#if defined(PNG_CHECK_cHRM_SUPPORTED) +#ifdef PNG_CHECK_cHRM_SUPPORTED if (png_check_cHRM_fixed(png_ptr, int_white_x, int_white_y, int_red_x, int_red_y, int_green_x, int_green_y, int_blue_x, int_blue_y)) @@ -644,7 +644,7 @@ png_set_sRGB_gAMA_and_cHRM(png_structp png_ptr, png_infop info_ptr, #endif /* sRGB */ -#if defined(PNG_iCCP_SUPPORTED) +#ifdef PNG_iCCP_SUPPORTED void PNGAPI png_set_iCCP(png_structp png_ptr, png_infop info_ptr, png_charp name, int compression_type, @@ -690,7 +690,7 @@ png_set_iCCP(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_TEXT_SUPPORTED) +#ifdef PNG_TEXT_SUPPORTED void PNGAPI png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr, int num_text) @@ -861,7 +861,7 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr, } #endif -#if defined(PNG_tIME_SUPPORTED) +#ifdef PNG_tIME_SUPPORTED void PNGAPI png_set_tIME(png_structp png_ptr, png_infop info_ptr, png_timep mod_time) { @@ -876,7 +876,7 @@ png_set_tIME(png_structp png_ptr, png_infop info_ptr, png_timep mod_time) } #endif -#if defined(PNG_tRNS_SUPPORTED) +#ifdef PNG_tRNS_SUPPORTED void PNGAPI png_set_tRNS(png_structp png_ptr, png_infop info_ptr, png_bytep trans_alpha, int num_trans, png_color_16p trans_color) @@ -929,7 +929,7 @@ png_set_tRNS(png_structp png_ptr, png_infop info_ptr, } #endif -#if defined(PNG_sPLT_SUPPORTED) +#ifdef PNG_sPLT_SUPPORTED void PNGAPI png_set_sPLT(png_structp png_ptr, png_infop info_ptr, png_sPLT_tp entries, int nentries) @@ -1069,7 +1069,7 @@ png_set_unknown_chunk_location(png_structp png_ptr, png_infop info_ptr, #endif -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED png_uint_32 PNGAPI png_permit_mng_features (png_structp png_ptr, png_uint_32 mng_features) { @@ -1083,7 +1083,7 @@ png_permit_mng_features (png_structp png_ptr, png_uint_32 mng_features) } #endif -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED void PNGAPI png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep chunk_list, int num_chunks) @@ -1128,7 +1128,7 @@ png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep } #endif -#if defined(PNG_READ_USER_CHUNKS_SUPPORTED) +#ifdef PNG_READ_USER_CHUNKS_SUPPORTED void PNGAPI png_set_read_user_chunk_fn(png_structp png_ptr, png_voidp user_chunk_ptr, png_user_chunk_ptr read_user_chunk_fn) @@ -1143,7 +1143,7 @@ png_set_read_user_chunk_fn(png_structp png_ptr, png_voidp user_chunk_ptr, } #endif -#if defined(PNG_INFO_IMAGE_SUPPORTED) +#ifdef PNG_INFO_IMAGE_SUPPORTED void PNGAPI png_set_rows(png_structp png_ptr, png_infop info_ptr, png_bytepp row_pointers) { @@ -1215,7 +1215,7 @@ png_set_chunk_cache_max (png_structp png_ptr, #endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */ -#if defined(PNG_BENIGN_ERRORS_SUPPORTED) +#ifdef PNG_BENIGN_ERRORS_SUPPORTED void PNGAPI png_set_benign_errors(png_structp png_ptr, int allowed) { diff --git a/pngtest.c b/pngtest.c index 2ed312507..5d4868651 100644 --- a/pngtest.c +++ b/pngtest.c @@ -1,7 +1,7 @@ /* pngtest.c - a simple test program to test libpng * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -64,7 +64,7 @@ static float t_start, t_stop, t_decode, t_encode, t_misc; #include #endif -#if defined(PNG_TIME_RFC1123_SUPPORTED) +#ifdef PNG_TIME_RFC1123_SUPPORTED #define PNG_tIME_STRING_LENGTH 29 static int tIME_chunk_present = 0; static char tIME_string[PNG_tIME_STRING_LENGTH] = "tIME chunk is not present"; @@ -130,7 +130,7 @@ write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass) } -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) +#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED /* Example of using user transform callback (we don't transform anything, * but merely examine the row filters. We set this to 256 rather than * 5 in case illegal filter values are present.) @@ -146,7 +146,7 @@ count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data) } #endif -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) +#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED /* Example of using user transform callback (we don't transform anything, * but merely count the zero samples) */ @@ -327,7 +327,7 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) } #endif /* USE_FAR_KEYWORD */ -#if defined(PNG_WRITE_FLUSH_SUPPORTED) +#ifdef PNG_WRITE_FLUSH_SUPPORTED static void pngtest_flush(png_structp png_ptr) { @@ -563,7 +563,7 @@ png_debug_free(png_structp png_ptr, png_voidp ptr) /* Demonstration of user chunk support of the sTER and vpAg chunks */ -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED /* (sTER is a public chunk not yet known by libpng. vpAg is a private chunk used in ImageMagick to store "virtual page" size). */ @@ -689,7 +689,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) pngtest_warning); #endif -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED user_chunk_data[0] = 0; user_chunk_data[1] = 0; user_chunk_data[2] = 0; @@ -778,7 +778,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) png_set_read_fn(read_ptr, (png_voidp)fpin, pngtest_read_data); # ifdef PNG_WRITE_SUPPORTED png_set_write_fn(write_ptr, (png_voidp)fpout, pngtest_write_data, -# if defined(PNG_WRITE_FLUSH_SUPPORTED) +# ifdef PNG_WRITE_FLUSH_SUPPORTED pngtest_flush); # else NULL); @@ -800,7 +800,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) png_set_read_status_fn(read_ptr, NULL); } -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) +#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED { int i; for (i = 0; i<256; i++) @@ -808,19 +808,19 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) png_set_read_user_transform_fn(read_ptr, count_filters); } #endif -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) +#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED zero_samples = 0; png_set_write_user_transform_fn(write_ptr, count_zero_samples); #endif -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED # ifndef PNG_HANDLE_CHUNK_ALWAYS # define PNG_HANDLE_CHUNK_ALWAYS 3 # endif png_set_keep_unknown_chunks(read_ptr, PNG_HANDLE_CHUNK_ALWAYS, NULL, 0); #endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED # ifndef PNG_HANDLE_CHUNK_IF_SAFE # define PNG_HANDLE_CHUNK_IF_SAFE 2 # endif @@ -839,15 +839,15 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) &color_type, &interlace_type, &compression_type, &filter_type)) { png_set_IHDR(write_ptr, write_info_ptr, width, height, bit_depth, -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) +#ifdef PNG_WRITE_INTERLACING_SUPPORTED color_type, interlace_type, compression_type, filter_type); #else color_type, PNG_INTERLACE_NONE, compression_type, filter_type); #endif } } -#if defined(PNG_FIXED_POINT_SUPPORTED) -#if defined(PNG_cHRM_SUPPORTED) +#ifdef PNG_FIXED_POINT_SUPPORTED +#ifdef PNG_cHRM_SUPPORTED { png_fixed_point white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y; @@ -859,7 +859,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_gAMA_SUPPORTED) +#ifdef PNG_gAMA_SUPPORTED { png_fixed_point gamma; @@ -881,7 +881,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_gAMA_SUPPORTED) +#ifdef PNG_gAMA_SUPPORTED { double gamma; @@ -891,7 +891,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #endif #endif /* Floating point */ #endif /* Fixed point */ -#if defined(PNG_iCCP_SUPPORTED) +#ifdef PNG_iCCP_SUPPORTED { png_charp name; png_charp profile; @@ -906,7 +906,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_sRGB_SUPPORTED) +#ifdef PNG_sRGB_SUPPORTED { int intent; @@ -921,7 +921,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) if (png_get_PLTE(read_ptr, read_info_ptr, &palette, &num_palette)) png_set_PLTE(write_ptr, write_info_ptr, palette, num_palette); } -#if defined(PNG_bKGD_SUPPORTED) +#ifdef PNG_bKGD_SUPPORTED { png_color_16p background; @@ -931,7 +931,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_hIST_SUPPORTED) +#ifdef PNG_hIST_SUPPORTED { png_uint_16p hist; @@ -939,7 +939,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) png_set_hIST(write_ptr, write_info_ptr, hist); } #endif -#if defined(PNG_oFFs_SUPPORTED) +#ifdef PNG_oFFs_SUPPORTED { png_int_32 offset_x, offset_y; int unit_type; @@ -951,7 +951,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_pCAL_SUPPORTED) +#ifdef PNG_pCAL_SUPPORTED { png_charp purpose, units; png_charpp params; @@ -966,7 +966,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_pHYs_SUPPORTED) +#ifdef PNG_pHYs_SUPPORTED { png_uint_32 res_x, res_y; int unit_type; @@ -975,7 +975,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) png_set_pHYs(write_ptr, write_info_ptr, res_x, res_y, unit_type); } #endif -#if defined(PNG_sBIT_SUPPORTED) +#ifdef PNG_sBIT_SUPPORTED { png_color_8p sig_bit; @@ -1010,7 +1010,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #endif #endif #endif -#if defined(PNG_TEXT_SUPPORTED) +#ifdef PNG_TEXT_SUPPORTED { png_textp text_ptr; int num_text; @@ -1022,14 +1022,14 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_tIME_SUPPORTED) +#ifdef PNG_tIME_SUPPORTED { png_timep mod_time; if (png_get_tIME(read_ptr, read_info_ptr, &mod_time)) { png_set_tIME(write_ptr, write_info_ptr, mod_time); -#if defined(PNG_TIME_RFC1123_SUPPORTED) +#ifdef PNG_TIME_RFC1123_SUPPORTED /* We have to use png_memcpy instead of "=" because the string * pointed to by png_convert_to_rfc1123() gets free'ed before * we use it. @@ -1043,7 +1043,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_tRNS_SUPPORTED) +#ifdef PNG_tRNS_SUPPORTED { png_bytep trans_alpha; int num_trans; @@ -1065,7 +1065,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED { png_unknown_chunkp unknowns; int num_unknowns = (int)png_get_unknown_chunks(read_ptr, read_info_ptr, @@ -1094,7 +1094,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) */ png_write_info(write_ptr, write_info_ptr); -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED if (user_chunk_data[0] != 0) { png_byte png_sTER[5] = {115, 84, 69, 82, '\0'}; @@ -1188,17 +1188,17 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } -#if defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED png_free_data(read_ptr, read_info_ptr, PNG_FREE_UNKN, -1); #endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED png_free_data(write_ptr, write_info_ptr, PNG_FREE_UNKN, -1); #endif png_debug(0, "Reading and writing end_info data"); png_read_end(read_ptr, end_info_ptr); -#if defined(PNG_TEXT_SUPPORTED) +#ifdef PNG_TEXT_SUPPORTED { png_textp text_ptr; int num_text; @@ -1210,14 +1210,14 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_tIME_SUPPORTED) +#ifdef PNG_tIME_SUPPORTED { png_timep mod_time; if (png_get_tIME(read_ptr, end_info_ptr, &mod_time)) { png_set_tIME(write_ptr, write_end_info_ptr, mod_time); -#if defined(PNG_TIME_RFC1123_SUPPORTED) +#ifdef PNG_TIME_RFC1123_SUPPORTED /* We have to use png_memcpy instead of "=" because the string pointed to by png_convert_to_rfc1123() gets free'ed before we use it */ @@ -1230,7 +1230,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) } } #endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED { png_unknown_chunkp unknowns; int num_unknowns; @@ -1457,7 +1457,7 @@ main(int argc, char *argv[]) #endif for (i=2; iuser_transform_ptr = user_transform_ptr; png_ptr->user_transform_depth = (png_byte)user_transform_depth; png_ptr->user_transform_channels = (png_byte)user_transform_channels; @@ -666,7 +666,7 @@ png_get_user_transform_ptr(png_structp png_ptr) { if (png_ptr == NULL) return (NULL); -#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) +#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED return ((png_voidp)png_ptr->user_transform_ptr); #else return (NULL); diff --git a/pngwrite.c b/pngwrite.c index 4cfc084ca..adb29e3b0 100644 --- a/pngwrite.c +++ b/pngwrite.c @@ -1,7 +1,7 @@ /* pngwrite.c - general routines to write a PNG file * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -36,7 +36,7 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr) { /* Write PNG signature */ png_write_sig(png_ptr); -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&(png_ptr->mng_features_permitted)) { png_warning(png_ptr, "MNG features are not allowed in a PNG datastream"); @@ -47,7 +47,7 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr) png_write_IHDR(png_ptr, info_ptr->width, info_ptr->height, info_ptr->bit_depth, info_ptr->color_type, info_ptr->compression_type, info_ptr->filter_type, -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) +#ifdef PNG_WRITE_INTERLACING_SUPPORTED info_ptr->interlace_type); #else 0); @@ -55,7 +55,7 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr) /* The rest of these check to see if the valid field has the appropriate * flag set, and if it does, writes the chunk. */ -#if defined(PNG_WRITE_gAMA_SUPPORTED) +#ifdef PNG_WRITE_gAMA_SUPPORTED if (info_ptr->valid & PNG_INFO_gAMA) { # ifdef PNG_FLOATING_POINT_SUPPORTED @@ -67,20 +67,20 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr) #endif } #endif -#if defined(PNG_WRITE_sRGB_SUPPORTED) +#ifdef PNG_WRITE_sRGB_SUPPORTED if (info_ptr->valid & PNG_INFO_sRGB) png_write_sRGB(png_ptr, (int)info_ptr->srgb_intent); #endif -#if defined(PNG_WRITE_iCCP_SUPPORTED) +#ifdef PNG_WRITE_iCCP_SUPPORTED if (info_ptr->valid & PNG_INFO_iCCP) png_write_iCCP(png_ptr, info_ptr->iccp_name, PNG_COMPRESSION_TYPE_BASE, info_ptr->iccp_profile, (int)info_ptr->iccp_proflen); #endif -#if defined(PNG_WRITE_sBIT_SUPPORTED) +#ifdef PNG_WRITE_sBIT_SUPPORTED if (info_ptr->valid & PNG_INFO_sBIT) png_write_sBIT(png_ptr, &(info_ptr->sig_bit), info_ptr->color_type); #endif -#if defined(PNG_WRITE_cHRM_SUPPORTED) +#ifdef PNG_WRITE_cHRM_SUPPORTED if (info_ptr->valid & PNG_INFO_cHRM) { #ifdef PNG_FLOATING_POINT_SUPPORTED @@ -100,7 +100,7 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr) #endif } #endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED if (info_ptr->unknown_chunks_num) { png_unknown_chunk *up; @@ -149,10 +149,10 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) else if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) png_error(png_ptr, "Valid palette required for paletted images"); -#if defined(PNG_WRITE_tRNS_SUPPORTED) +#ifdef PNG_WRITE_tRNS_SUPPORTED if (info_ptr->valid & PNG_INFO_tRNS) { -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) +#ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED /* Invert the alpha channel (in tRNS) */ if ((png_ptr->transformations & PNG_INVERT_ALPHA) && info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) @@ -166,29 +166,29 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) info_ptr->num_trans, info_ptr->color_type); } #endif -#if defined(PNG_WRITE_bKGD_SUPPORTED) +#ifdef PNG_WRITE_bKGD_SUPPORTED if (info_ptr->valid & PNG_INFO_bKGD) png_write_bKGD(png_ptr, &(info_ptr->background), info_ptr->color_type); #endif -#if defined(PNG_WRITE_hIST_SUPPORTED) +#ifdef PNG_WRITE_hIST_SUPPORTED if (info_ptr->valid & PNG_INFO_hIST) png_write_hIST(png_ptr, info_ptr->hist, info_ptr->num_palette); #endif -#if defined(PNG_WRITE_oFFs_SUPPORTED) +#ifdef PNG_WRITE_oFFs_SUPPORTED if (info_ptr->valid & PNG_INFO_oFFs) png_write_oFFs(png_ptr, info_ptr->x_offset, info_ptr->y_offset, info_ptr->offset_unit_type); #endif -#if defined(PNG_WRITE_pCAL_SUPPORTED) +#ifdef PNG_WRITE_pCAL_SUPPORTED if (info_ptr->valid & PNG_INFO_pCAL) png_write_pCAL(png_ptr, info_ptr->pcal_purpose, info_ptr->pcal_X0, info_ptr->pcal_X1, info_ptr->pcal_type, info_ptr->pcal_nparams, info_ptr->pcal_units, info_ptr->pcal_params); #endif -#if defined(PNG_sCAL_SUPPORTED) +#ifdef PNG_sCAL_SUPPORTED if (info_ptr->valid & PNG_INFO_sCAL) -#if defined(PNG_WRITE_sCAL_SUPPORTED) +#ifdef PNG_WRITE_sCAL_SUPPORTED #if defined(PNG_FLOATING_POINT_SUPPORTED) && defined(PNG_STDIO_SUPPORTED) png_write_sCAL(png_ptr, (int)info_ptr->scal_unit, info_ptr->scal_pixel_width, info_ptr->scal_pixel_height); @@ -204,13 +204,13 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) #endif /* WRITE_sCAL */ #endif /* sCAL */ -#if defined(PNG_WRITE_pHYs_SUPPORTED) +#ifdef PNG_WRITE_pHYs_SUPPORTED if (info_ptr->valid & PNG_INFO_pHYs) png_write_pHYs(png_ptr, info_ptr->x_pixels_per_unit, info_ptr->y_pixels_per_unit, info_ptr->phys_unit_type); #endif /* pHYs */ -#if defined(PNG_WRITE_tIME_SUPPORTED) +#ifdef PNG_WRITE_tIME_SUPPORTED if (info_ptr->valid & PNG_INFO_tIME) { png_write_tIME(png_ptr, &(info_ptr->mod_time)); @@ -218,13 +218,13 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) } #endif /* tIME */ -#if defined(PNG_WRITE_sPLT_SUPPORTED) +#ifdef PNG_WRITE_sPLT_SUPPORTED if (info_ptr->valid & PNG_INFO_sPLT) for (i = 0; i < (int)info_ptr->splt_palettes_num; i++) png_write_sPLT(png_ptr, info_ptr->splt_palettes + i); #endif /* sPLT */ -#if defined(PNG_WRITE_TEXT_SUPPORTED) +#ifdef PNG_WRITE_TEXT_SUPPORTED /* Check to see if we need to write text chunks */ for (i = 0; i < info_ptr->num_text; i++) { @@ -233,7 +233,7 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) /* An internationalized chunk? */ if (info_ptr->text[i].compression > 0) { -#if defined(PNG_WRITE_iTXt_SUPPORTED) +#ifdef PNG_WRITE_iTXt_SUPPORTED /* Write international chunk */ png_write_iTXt(png_ptr, info_ptr->text[i].compression, @@ -250,7 +250,7 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) /* If we want a compressed text chunk */ else if (info_ptr->text[i].compression == PNG_TEXT_COMPRESSION_zTXt) { -#if defined(PNG_WRITE_zTXt_SUPPORTED) +#ifdef PNG_WRITE_zTXt_SUPPORTED /* Write compressed chunk */ png_write_zTXt(png_ptr, info_ptr->text[i].key, info_ptr->text[i].text, 0, @@ -263,7 +263,7 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) } else if (info_ptr->text[i].compression == PNG_TEXT_COMPRESSION_NONE) { -#if defined(PNG_WRITE_tEXt_SUPPORTED) +#ifdef PNG_WRITE_tEXt_SUPPORTED /* Write uncompressed chunk */ png_write_tEXt(png_ptr, info_ptr->text[i].key, info_ptr->text[i].text, @@ -278,7 +278,7 @@ png_write_info(png_structp png_ptr, png_infop info_ptr) } #endif /* tEXt */ -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED if (info_ptr->unknown_chunks_num) { png_unknown_chunk *up; @@ -321,16 +321,16 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) /* See if user wants us to write information chunks */ if (info_ptr != NULL) { -#if defined(PNG_WRITE_TEXT_SUPPORTED) +#ifdef PNG_WRITE_TEXT_SUPPORTED int i; /* local index variable */ #endif -#if defined(PNG_WRITE_tIME_SUPPORTED) +#ifdef PNG_WRITE_tIME_SUPPORTED /* Check to see if user has supplied a time chunk */ if ((info_ptr->valid & PNG_INFO_tIME) && !(png_ptr->mode & PNG_WROTE_tIME)) png_write_tIME(png_ptr, &(info_ptr->mod_time)); #endif -#if defined(PNG_WRITE_TEXT_SUPPORTED) +#ifdef PNG_WRITE_TEXT_SUPPORTED /* Loop through comment chunks */ for (i = 0; i < info_ptr->num_text; i++) { @@ -339,7 +339,7 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) /* An internationalized chunk? */ if (info_ptr->text[i].compression > 0) { -#if defined(PNG_WRITE_iTXt_SUPPORTED) +#ifdef PNG_WRITE_iTXt_SUPPORTED /* Write international chunk */ png_write_iTXt(png_ptr, info_ptr->text[i].compression, @@ -355,7 +355,7 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) } else if (info_ptr->text[i].compression >= PNG_TEXT_COMPRESSION_zTXt) { -#if defined(PNG_WRITE_zTXt_SUPPORTED) +#ifdef PNG_WRITE_zTXt_SUPPORTED /* Write compressed chunk */ png_write_zTXt(png_ptr, info_ptr->text[i].key, info_ptr->text[i].text, 0, @@ -368,7 +368,7 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) } else if (info_ptr->text[i].compression == PNG_TEXT_COMPRESSION_NONE) { -#if defined(PNG_WRITE_tEXt_SUPPORTED) +#ifdef PNG_WRITE_tEXt_SUPPORTED /* Write uncompressed chunk */ png_write_tEXt(png_ptr, info_ptr->text[i].key, info_ptr->text[i].text, 0); @@ -381,7 +381,7 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) } } #endif -#if defined(PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED if (info_ptr->unknown_chunks_num) { png_unknown_chunk *up; @@ -415,12 +415,12 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) * experiences a problem, please report the event to * png-mng-implement at lists.sf.net . */ -#if defined(PNG_WRITE_FLUSH_SUPPORTED) +#ifdef PNG_WRITE_FLUSH_SUPPORTED png_flush(png_ptr); #endif } -#if defined(PNG_WRITE_tIME_SUPPORTED) +#ifdef PNG_WRITE_tIME_SUPPORTED /* "time.h" functions are not supported on WindowsCE */ void PNGAPI png_convert_from_struct_tm(png_timep ptime, struct tm FAR * ttime) @@ -580,7 +580,7 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, png_set_write_fn(png_ptr, NULL, NULL, NULL); -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT, 1, NULL, NULL); #endif @@ -628,7 +628,7 @@ png_write_image(png_structp png_ptr, png_bytepp image) png_debug(1, "in png_write_image"); -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) +#ifdef PNG_WRITE_INTERLACING_SUPPORTED /* Initialize interlace handling. If image is not interlaced, * this will set pass to 1 */ @@ -698,7 +698,7 @@ png_write_row(png_structp png_ptr, png_bytep row) png_write_start_row(png_ptr); } -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) +#ifdef PNG_WRITE_INTERLACING_SUPPORTED /* If interlaced and not interested in row, return */ if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE)) { @@ -778,7 +778,7 @@ png_write_row(png_structp png_ptr, png_bytep row) /* Copy user's row into buffer, leaving room for filter byte. */ png_memcpy(png_ptr->row_buf + 1, row, png_ptr->row_info.rowbytes); -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) +#ifdef PNG_WRITE_INTERLACING_SUPPORTED /* Handle interlacing */ if (png_ptr->interlaced && png_ptr->pass < 6 && (png_ptr->transformations & PNG_INTERLACE)) @@ -798,7 +798,7 @@ png_write_row(png_structp png_ptr, png_bytep row) if (png_ptr->transformations) png_do_write_transformations(png_ptr); -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED /* Write filter_method 64 (intrapixel differencing) only if * 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and * 2. Libpng did not write a PNG signature (this filter_method is only @@ -823,7 +823,7 @@ png_write_row(png_structp png_ptr, png_bytep row) (*(png_ptr->write_row_fn))(png_ptr, png_ptr->row_number, png_ptr->pass); } -#if defined(PNG_WRITE_FLUSH_SUPPORTED) +#ifdef PNG_WRITE_FLUSH_SUPPORTED /* Set the automatic flush interval or 0 to turn flushing off */ void PNGAPI png_set_flush(png_structp png_ptr, int nrows) @@ -930,7 +930,7 @@ png_destroy_write_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr) { png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1); -#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) +#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED if (png_ptr->num_chunk_list) { png_free(png_ptr, png_ptr->chunk_list); @@ -992,11 +992,11 @@ png_write_destroy(png_structp png_ptr) png_free(png_ptr, png_ptr->paeth_row); #endif -#if defined(PNG_TIME_RFC1123_SUPPORTED) +#ifdef PNG_TIME_RFC1123_SUPPORTED png_free(png_ptr, png_ptr->time_buffer); #endif -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED png_free(png_ptr, png_ptr->prev_filters); png_free(png_ptr, png_ptr->filter_weights); png_free(png_ptr, png_ptr->inv_filter_weights); @@ -1038,7 +1038,7 @@ png_set_filter(png_structp png_ptr, int method, int filters) if (png_ptr == NULL) return; -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED if ((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && (method == PNG_INTRAPIXEL_DIFFERENCING)) method = PNG_FILTER_TYPE_BASE; @@ -1150,7 +1150,7 @@ png_set_filter(png_structp png_ptr, int method, int filters) * filtered data going to zlib more consistent, hopefully resulting in * better compression. */ -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) /* GRR 970116 */ +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED /* GRR 970116 */ void PNGAPI png_set_filter_heuristics(png_structp png_ptr, int heuristic_method, int num_weights, png_doublep filter_weights, @@ -1345,7 +1345,7 @@ png_set_write_status_fn(png_structp png_ptr, png_write_status_ptr write_row_fn) png_ptr->write_row_fn = write_row_fn; } -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) +#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED void PNGAPI png_set_write_user_transform_fn(png_structp png_ptr, png_user_transform_ptr write_user_transform_fn) @@ -1360,7 +1360,7 @@ png_set_write_user_transform_fn(png_structp png_ptr, png_user_transform_ptr #endif -#if defined(PNG_INFO_IMAGE_SUPPORTED) +#ifdef PNG_INFO_IMAGE_SUPPORTED void PNGAPI png_write_png(png_structp png_ptr, png_infop info_ptr, int transforms, voidp params) @@ -1373,13 +1373,13 @@ png_write_png(png_structp png_ptr, png_infop info_ptr, /* ------ these transformations don't touch the info structure ------- */ -#if defined(PNG_WRITE_INVERT_SUPPORTED) +#ifdef PNG_WRITE_INVERT_SUPPORTED /* Invert monochrome pixels */ if (transforms & PNG_TRANSFORM_INVERT_MONO) png_set_invert_mono(png_ptr); #endif -#if defined(PNG_WRITE_SHIFT_SUPPORTED) +#ifdef PNG_WRITE_SHIFT_SUPPORTED /* Shift the pixels up to a legal bit depth and fill in * as appropriate to correctly scale the image. */ @@ -1388,19 +1388,19 @@ png_write_png(png_structp png_ptr, png_infop info_ptr, png_set_shift(png_ptr, &info_ptr->sig_bit); #endif -#if defined(PNG_WRITE_PACK_SUPPORTED) +#ifdef PNG_WRITE_PACK_SUPPORTED /* Pack pixels into bytes */ if (transforms & PNG_TRANSFORM_PACKING) png_set_packing(png_ptr); #endif -#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) +#ifdef PNG_WRITE_SWAP_ALPHA_SUPPORTED /* Swap location of alpha bytes from ARGB to RGBA */ if (transforms & PNG_TRANSFORM_SWAP_ALPHA) png_set_swap_alpha(png_ptr); #endif -#if defined(PNG_WRITE_FILLER_SUPPORTED) +#ifdef PNG_WRITE_FILLER_SUPPORTED /* Pack XRGB/RGBX/ARGB/RGBA into * RGB (4 channels -> 3 channels) */ if (transforms & PNG_TRANSFORM_STRIP_FILLER_AFTER) png_set_filler(png_ptr, 0, PNG_FILLER_AFTER); @@ -1408,31 +1408,31 @@ png_write_png(png_structp png_ptr, png_infop info_ptr, png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE); #endif -#if defined(PNG_WRITE_BGR_SUPPORTED) +#ifdef PNG_WRITE_BGR_SUPPORTED /* Flip BGR pixels to RGB */ if (transforms & PNG_TRANSFORM_BGR) png_set_bgr(png_ptr); #endif -#if defined(PNG_WRITE_SWAP_SUPPORTED) +#ifdef PNG_WRITE_SWAP_SUPPORTED /* Swap bytes of 16-bit files to most significant byte first */ if (transforms & PNG_TRANSFORM_SWAP_ENDIAN) png_set_swap(png_ptr); #endif -#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) +#ifdef PNG_WRITE_PACKSWAP_SUPPORTED /* Swap bits of 1, 2, 4 bit packed pixel formats */ if (transforms & PNG_TRANSFORM_PACKSWAP) png_set_packswap(png_ptr); #endif -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) +#ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED /* Invert the alpha channel from opacity to transparency */ if (transforms & PNG_TRANSFORM_INVERT_ALPHA) png_set_invert_alpha(png_ptr); #endif -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) +#ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED /* Invert the alpha channel from opacity to transparency */ if (transforms & PNG_TRANSFORM_INVERT_ALPHA) png_set_invert_alpha(png_ptr); diff --git a/pngwtran.c b/pngwtran.c index 58934100a..cff30b4df 100644 --- a/pngwtran.c +++ b/pngwtran.c @@ -1,7 +1,7 @@ /* pngwtran.c - transforms the data in a row for PNG writers * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -26,7 +26,7 @@ png_do_write_transformations(png_structp png_ptr) if (png_ptr == NULL) return; -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) +#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED if (png_ptr->transformations & PNG_USER_TRANSFORM) if (png_ptr->write_user_transform_fn != NULL) (*(png_ptr->write_user_transform_fn)) /* User write transform function */ @@ -40,48 +40,48 @@ png_do_write_transformations(png_structp png_ptr) /* png_byte pixel_depth; bits per pixel (depth*channels) */ png_ptr->row_buf + 1); /* start of pixel data for row */ #endif -#if defined(PNG_WRITE_FILLER_SUPPORTED) +#ifdef PNG_WRITE_FILLER_SUPPORTED if (png_ptr->transformations & PNG_FILLER) png_do_strip_filler(&(png_ptr->row_info), png_ptr->row_buf + 1, png_ptr->flags); #endif -#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) +#ifdef PNG_WRITE_PACKSWAP_SUPPORTED if (png_ptr->transformations & PNG_PACKSWAP) png_do_packswap(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_WRITE_PACK_SUPPORTED) +#ifdef PNG_WRITE_PACK_SUPPORTED if (png_ptr->transformations & PNG_PACK) png_do_pack(&(png_ptr->row_info), png_ptr->row_buf + 1, (png_uint_32)png_ptr->bit_depth); #endif -#if defined(PNG_WRITE_SWAP_SUPPORTED) +#ifdef PNG_WRITE_SWAP_SUPPORTED if (png_ptr->transformations & PNG_SWAP_BYTES) png_do_swap(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_WRITE_SHIFT_SUPPORTED) +#ifdef PNG_WRITE_SHIFT_SUPPORTED if (png_ptr->transformations & PNG_SHIFT) png_do_shift(&(png_ptr->row_info), png_ptr->row_buf + 1, &(png_ptr->shift)); #endif -#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) +#ifdef PNG_WRITE_SWAP_ALPHA_SUPPORTED if (png_ptr->transformations & PNG_SWAP_ALPHA) png_do_write_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) +#ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED if (png_ptr->transformations & PNG_INVERT_ALPHA) png_do_write_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_WRITE_BGR_SUPPORTED) +#ifdef PNG_WRITE_BGR_SUPPORTED if (png_ptr->transformations & PNG_BGR) png_do_bgr(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif -#if defined(PNG_WRITE_INVERT_SUPPORTED) +#ifdef PNG_WRITE_INVERT_SUPPORTED if (png_ptr->transformations & PNG_INVERT_MONO) png_do_invert(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif } -#if defined(PNG_WRITE_PACK_SUPPORTED) +#ifdef PNG_WRITE_PACK_SUPPORTED /* Pack pixels into bytes. Pass the true bit depth in bit_depth. The * row_info bit depth should be 8 (one pixel per byte). The channels * should be 1 (this only happens on grayscale and paletted images). @@ -202,7 +202,7 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth) } #endif -#if defined(PNG_WRITE_SHIFT_SUPPORTED) +#ifdef PNG_WRITE_SHIFT_SUPPORTED /* Shift pixel values to take advantage of whole range. Pass the * true number of bits in bit_depth. The row should be packed * according to row_info->bit_depth. Thus, if you had a row of @@ -330,7 +330,7 @@ png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth) } #endif -#if defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED) +#ifdef PNG_WRITE_SWAP_ALPHA_SUPPORTED void /* PRIVATE */ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row) { @@ -416,7 +416,7 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row) } #endif -#if defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) +#ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED void /* PRIVATE */ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row) { @@ -503,7 +503,7 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row) } #endif -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED /* Undoes intrapixel differencing */ void /* PRIVATE */ png_do_write_intrapixel(png_row_infop row_info, png_bytep row) diff --git a/pngwutil.c b/pngwutil.c index 70e964b09..509770f29 100644 --- a/pngwutil.c +++ b/pngwutil.c @@ -1,7 +1,7 @@ /* pngwutil.c - utilities to write a PNG file * - * Last changed in libpng 1.4.0 [September 17, 2009] + * Last changed in libpng 1.4.0 [September 23, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -28,7 +28,7 @@ png_save_uint_32(png_bytep buf, png_uint_32 i) buf[3] = (png_byte)(i & 0xff); } -#if defined(PNG_SAVE_INT_32_SUPPORTED) +#ifdef PNG_SAVE_INT_32_SUPPORTED /* The png_save_int_32 function assumes integers are stored in two's * complement format. If this isn't the case, then this routine needs to * be modified to write data in two's complement format. @@ -220,7 +220,7 @@ png_text_compress(png_structp png_ptr, if (compression >= PNG_TEXT_COMPRESSION_LAST) { -#if defined(PNG_STDIO_SUPPORTED) +#ifdef PNG_STDIO_SUPPORTED char msg[50]; png_snprintf(msg, 50, "Unknown compression type %d", compression); png_warning(png_ptr, msg); @@ -483,7 +483,7 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height, * 5. The color_type is RGB or RGBA */ if ( -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED !((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) == 0) && (color_type == PNG_COLOR_TYPE_RGB || @@ -511,7 +511,7 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height, png_ptr->bit_depth = (png_byte)bit_depth; png_ptr->color_type = (png_byte)color_type; png_ptr->interlaced = (png_byte)interlace_type; -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED png_ptr->filter_type = (png_byte)filter_type; #endif png_ptr->compression_type = (png_byte)compression_type; @@ -601,7 +601,7 @@ png_write_PLTE(png_structp png_ptr, png_colorp palette, png_uint_32 num_pal) png_debug(1, "in png_write_PLTE"); if (( -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED !(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE) && #endif num_pal == 0) || num_pal > 256) @@ -718,7 +718,7 @@ png_write_IEND(png_structp png_ptr) png_ptr->mode |= PNG_HAVE_IEND; } -#if defined(PNG_WRITE_gAMA_SUPPORTED) +#ifdef PNG_WRITE_gAMA_SUPPORTED /* Write a gAMA chunk */ #ifdef PNG_FLOATING_POINT_SUPPORTED void /* PRIVATE */ @@ -752,7 +752,7 @@ png_write_gAMA_fixed(png_structp png_ptr, png_fixed_point file_gamma) #endif #endif -#if defined(PNG_WRITE_sRGB_SUPPORTED) +#ifdef PNG_WRITE_sRGB_SUPPORTED /* Write a sRGB chunk */ void /* PRIVATE */ png_write_sRGB(png_structp png_ptr, int srgb_intent) @@ -770,7 +770,7 @@ png_write_sRGB(png_structp png_ptr, int srgb_intent) } #endif -#if defined(PNG_WRITE_iCCP_SUPPORTED) +#ifdef PNG_WRITE_iCCP_SUPPORTED /* Write an iCCP chunk */ void /* PRIVATE */ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type, @@ -849,7 +849,7 @@ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type, } #endif -#if defined(PNG_WRITE_sPLT_SUPPORTED) +#ifdef PNG_WRITE_sPLT_SUPPORTED /* Write a sPLT chunk */ void /* PRIVATE */ png_write_sPLT(png_structp png_ptr, png_sPLT_tp spalette) @@ -928,7 +928,7 @@ png_write_sPLT(png_structp png_ptr, png_sPLT_tp spalette) } #endif -#if defined(PNG_WRITE_sBIT_SUPPORTED) +#ifdef PNG_WRITE_sBIT_SUPPORTED /* Write the sBIT chunk */ void /* PRIVATE */ png_write_sBIT(png_structp png_ptr, png_color_8p sbit, int color_type) @@ -983,7 +983,7 @@ png_write_sBIT(png_structp png_ptr, png_color_8p sbit, int color_type) } #endif -#if defined(PNG_WRITE_cHRM_SUPPORTED) +#ifdef PNG_WRITE_cHRM_SUPPORTED /* Write the cHRM chunk */ #ifdef PNG_FLOATING_POINT_SUPPORTED void /* PRIVATE */ @@ -1008,7 +1008,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, int_blue_x = (png_uint_32)(blue_x * 100000.0 + 0.5); int_blue_y = (png_uint_32)(blue_y * 100000.0 + 0.5); -#if defined(PNG_CHECK_cHRM_SUPPORTED) +#ifdef PNG_CHECK_cHRM_SUPPORTED if (png_check_cHRM_fixed(png_ptr, int_white_x, int_white_y, int_red_x, int_red_y, int_green_x, int_green_y, int_blue_x, int_blue_y)) #endif @@ -1044,7 +1044,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x, png_debug(1, "in png_write_cHRM"); /* Each value is saved in 1/100,000ths */ -#if defined(PNG_CHECK_cHRM_SUPPORTED) +#ifdef PNG_CHECK_cHRM_SUPPORTED if (png_check_cHRM_fixed(png_ptr, white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y)) #endif @@ -1067,7 +1067,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x, #endif #endif -#if defined(PNG_WRITE_tRNS_SUPPORTED) +#ifdef PNG_WRITE_tRNS_SUPPORTED /* Write the tRNS chunk */ void /* PRIVATE */ png_write_tRNS(png_structp png_ptr, png_bytep trans_alpha, png_color_16p tran, @@ -1122,7 +1122,7 @@ png_write_tRNS(png_structp png_ptr, png_bytep trans_alpha, png_color_16p tran, } #endif -#if defined(PNG_WRITE_bKGD_SUPPORTED) +#ifdef PNG_WRITE_bKGD_SUPPORTED /* Write the background chunk */ void /* PRIVATE */ png_write_bKGD(png_structp png_ptr, png_color_16p back, int color_type) @@ -1135,7 +1135,7 @@ png_write_bKGD(png_structp png_ptr, png_color_16p back, int color_type) if (color_type == PNG_COLOR_TYPE_PALETTE) { if ( -#if defined(PNG_MNG_FEATURES_SUPPORTED) +#ifdef PNG_MNG_FEATURES_SUPPORTED (png_ptr->num_palette || (!(png_ptr->mng_features_permitted & PNG_FLAG_MNG_EMPTY_PLTE))) && #endif @@ -1174,7 +1174,7 @@ png_write_bKGD(png_structp png_ptr, png_color_16p back, int color_type) } #endif -#if defined(PNG_WRITE_hIST_SUPPORTED) +#ifdef PNG_WRITE_hIST_SUPPORTED /* Write the histogram */ void /* PRIVATE */ png_write_hIST(png_structp png_ptr, png_uint_16p hist, int num_hist) @@ -1249,7 +1249,7 @@ png_check_keyword(png_structp png_ptr, png_charp key, png_charpp new_key) if ((png_byte)*kp < 0x20 || ((png_byte)*kp > 0x7E && (png_byte)*kp < 0xA1)) { -#if defined(PNG_STDIO_SUPPORTED) +#ifdef PNG_STDIO_SUPPORTED char msg[40]; png_snprintf(msg, 40, @@ -1335,7 +1335,7 @@ png_check_keyword(png_structp png_ptr, png_charp key, png_charpp new_key) } #endif -#if defined(PNG_WRITE_tEXt_SUPPORTED) +#ifdef PNG_WRITE_tEXt_SUPPORTED /* Write a tEXt chunk */ void /* PRIVATE */ png_write_tEXt(png_structp png_ptr, png_charp key, png_charp text, @@ -1374,7 +1374,7 @@ png_write_tEXt(png_structp png_ptr, png_charp key, png_charp text, } #endif -#if defined(PNG_WRITE_zTXt_SUPPORTED) +#ifdef PNG_WRITE_zTXt_SUPPORTED /* Write a compressed text chunk */ void /* PRIVATE */ png_write_zTXt(png_structp png_ptr, png_charp key, png_charp text, @@ -1432,7 +1432,7 @@ png_write_zTXt(png_structp png_ptr, png_charp key, png_charp text, } #endif -#if defined(PNG_WRITE_iTXt_SUPPORTED) +#ifdef PNG_WRITE_iTXt_SUPPORTED /* Write an iTXt chunk */ void /* PRIVATE */ png_write_iTXt(png_structp png_ptr, int compression, png_charp key, @@ -1519,7 +1519,7 @@ png_write_iTXt(png_structp png_ptr, int compression, png_charp key, } #endif -#if defined(PNG_WRITE_oFFs_SUPPORTED) +#ifdef PNG_WRITE_oFFs_SUPPORTED /* Write the oFFs chunk */ void /* PRIVATE */ png_write_oFFs(png_structp png_ptr, png_int_32 x_offset, png_int_32 y_offset, @@ -1540,7 +1540,7 @@ png_write_oFFs(png_structp png_ptr, png_int_32 x_offset, png_int_32 y_offset, png_write_chunk(png_ptr, (png_bytep)png_oFFs, buf, (png_size_t)9); } #endif -#if defined(PNG_WRITE_pCAL_SUPPORTED) +#ifdef PNG_WRITE_pCAL_SUPPORTED /* Write the pCAL chunk (described in the PNG extensions document) */ void /* PRIVATE */ png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0, @@ -1601,7 +1601,7 @@ png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0, } #endif -#if defined(PNG_WRITE_sCAL_SUPPORTED) +#ifdef PNG_WRITE_sCAL_SUPPORTED /* Write the sCAL chunk */ #if defined(PNG_FLOATING_POINT_SUPPORTED) && defined(PNG_STDIO_SUPPORTED) void /* PRIVATE */ @@ -1654,7 +1654,7 @@ png_write_sCAL_s(png_structp png_ptr, int unit, png_charp width, #endif #endif -#if defined(PNG_WRITE_pHYs_SUPPORTED) +#ifdef PNG_WRITE_pHYs_SUPPORTED /* Write the pHYs chunk */ void /* PRIVATE */ png_write_pHYs(png_structp png_ptr, png_uint_32 x_pixels_per_unit, @@ -1677,7 +1677,7 @@ png_write_pHYs(png_structp png_ptr, png_uint_32 x_pixels_per_unit, } #endif -#if defined(PNG_WRITE_tIME_SUPPORTED) +#ifdef PNG_WRITE_tIME_SUPPORTED /* Write the tIME chunk. Use either png_convert_from_struct_tm() * or png_convert_from_time_t(), or fill in the structure yourself. */ @@ -1917,7 +1917,7 @@ png_write_finish_row(png_structp png_ptr) png_ptr->zstream.data_type = Z_BINARY; } -#if defined(PNG_WRITE_INTERLACING_SUPPORTED) +#ifdef PNG_WRITE_INTERLACING_SUPPORTED /* Pick out the correct pixels for the interlace pass. * The basic idea here is to go through the row with a source * pointer and a destination pointer (sp and dp), and copy the @@ -2163,7 +2163,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) sum += (v < 128) ? v : 256 - v; } -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) { png_uint_32 sumhi, sumlo; @@ -2227,7 +2227,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) png_uint_32 i; int v; -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED /* We temporarily increase the "minimum sum" by the factor we * would reduce the sum of this filter, so that we can do the * early exit comparison without scaling the sum each time. @@ -2280,7 +2280,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) break; } -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) { int j; @@ -2341,7 +2341,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) int v; -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) { int j; @@ -2383,7 +2383,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) break; } -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) { int j; @@ -2446,7 +2446,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) png_uint_32 i; int v; -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) { int j; @@ -2495,7 +2495,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) break; } -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) { int j; @@ -2579,7 +2579,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) png_uint_32 i; int v; -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) { int j; @@ -2660,7 +2660,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) break; } -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED if (png_ptr->heuristic_method == PNG_FILTER_HEURISTIC_WEIGHTED) { int j; @@ -2702,7 +2702,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info) png_write_filtered_row(png_ptr, best_row); #ifdef PNG_WRITE_FILTER_SUPPORTED -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED /* Save the type of filter we picked this time for future calculations */ if (png_ptr->num_prev_filters > 0) { @@ -2769,7 +2769,7 @@ png_write_filtered_row(png_structp png_ptr, png_bytep filtered_row) /* Finish row - updates counters and flushes zlib if last row */ png_write_finish_row(png_ptr); -#if defined(PNG_WRITE_FLUSH_SUPPORTED) +#ifdef PNG_WRITE_FLUSH_SUPPORTED png_ptr->flush_rows++; if (png_ptr->flush_dist > 0 &&