cheng/libpng
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[libpng16] Added some documentation about features of the Simplified Write API.

Browse Source
This commit is contained in:
Glenn Randers-Pehrson 2015-05-06 17:02:47 -05:00
parent 846357d592
commit 279dc3f0bf
3 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libpng-manual.txt
View File

@ -4065,10 +4065,11 @@ a 16-bit linear encoded PNG file is written.
With all APIs row_stride is handled as in the read APIs - it is the spacing
from one row to the next in component sized units (float) and if negative
indicates a bottom-up row layout in the buffer.
indicates a bottom-up row layout in the buffer. If you pass zero, libpng will
calculate the row_stride for you from the width and number of channels.
Note that the write API does not support interlacing, sub-8-bit pixels,
and indexed (paletted) images.
indexed (paletted) images, or most ancillary chunks.
VI. Modifying/Customizing libpng

5
libpng.3
View File

@ -4569,10 +4569,11 @@ a 16-bit linear encoded PNG file is written.
With all APIs row_stride is handled as in the read APIs - it is the spacing
from one row to the next in component sized units (float) and if negative
indicates a bottom-up row layout in the buffer.
indicates a bottom-up row layout in the buffer. If you pass zero, libpng will
calculate the row_stride for you from the width and number of channels.
Note that the write API does not support interlacing, sub-8-bit pixels,
and indexed (paletted) images.
indexed (paletted) images, or most ancillary chunks.
.SH VI. Modifying/Customizing libpng

6
png.h
View File

@ -3211,9 +3211,11 @@ PNG_EXPORT(240, int, png_image_write_to_stdio, (png_imagep image, FILE *file,
*
* With all APIs row_stride is handled as in the read APIs - it is the spacing
* from one row to the next in component sized units (1 or 2 bytes) and if
* negative indicates a bottom-up row layout in the buffer.
* negative indicates a bottom-up row layout in the buffer. If row_stride is zero,
* libpng will calculate it for you from the image width and number of channels.
*
* Note that the write API does not support interlacing or sub-8-bit pixels.
* Note that the write API does not support interlacing, sub-8-bit pixels, indexed
* PNG (color_type 3) or most ancillary chunks.
*/
#endif /* STDIO */
#endif /* SIMPLIFIED_WRITE */