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[devel] conditionally compile parts of png.c depending on PNG_16BIT_SUPPORTED

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Glenn Randers-Pehrson 2010-08-26 21:41:04 -05:00
parent 0717029581
commit 4e4876104d
1 changed files with 4 additions and 0 deletions
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4
png.c
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@ -2331,15 +2331,19 @@ png_build_gamma_table(png_structp png_ptr, int bit_depth)
png_ptr->gamma_shift = shift;
#ifdef PNG_16BIT_SUPPORTED
if (png_ptr->transformations & (PNG_16_TO_8 | PNG_BACKGROUND))
#endif
png_build_16to8_table(png_ptr, &png_ptr->gamma_16_table, shift,
png_ptr->screen_gamma > 0 ? png_product2(png_ptr->gamma,
png_ptr->screen_gamma) : PNG_FP_1);
#ifdef PNG_16BIT_SUPPORTED
else
png_build_16bit_table(png_ptr, &png_ptr->gamma_16_table, shift,
png_ptr->screen_gamma > 0 ? png_reciprocal2(png_ptr->gamma,
png_ptr->screen_gamma) : PNG_FP_1);
#endif
#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \
defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)