transfig/transfig-3.2.5d-libpng-1.5.patch

40 lines
1.4 KiB
Diff

http://bugs.gentoo.org/show_bug.cgi?id=356751
Index: transfig.3.2.5d/fig2dev/dev/readpng.c
===================================================================
--- transfig.3.2.5d.orig/fig2dev/dev/readpng.c
+++ transfig.3.2.5d/fig2dev/dev/readpng.c
@@ -62,7 +62,7 @@ read_png(file,filetype,pic,llx,lly)
}
/* set long jump here */
- if (setjmp(png_ptr->jmpbuf)) {
+ if (setjmp(png_jmpbuf(png_ptr))) {
/* if we get here there was a problem reading the file */
png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
return 0;
@@ -78,15 +78,17 @@ read_png(file,filetype,pic,llx,lly)
png_get_IHDR(png_ptr, info_ptr, &w, &h, &bit_depth, &color_type,
&interlace_type, &compression_type, &filter_type);
- if (info_ptr->valid & PNG_INFO_gAMA)
- png_set_gamma(png_ptr, 2.2, info_ptr->gamma);
- else
- png_set_gamma(png_ptr, 2.2, 0.45);
+ png_fixed_point gamma = 0.45;
+ png_get_gAMA_fixed(png_ptr,info_ptr,&gamma);
+ png_set_gamma(png_ptr, 2.2, gamma);
- if (info_ptr->valid & PNG_INFO_bKGD)
+ if (png_get_valid(png_ptr,info_ptr,PNG_INFO_bKGD)) {
/* set the background to the one supplied */
- png_set_background(png_ptr, &info_ptr->background,
+ png_color_16p background;
+ png_get_bKGD(png_ptr,info_ptr,&background);
+ png_set_background(png_ptr, background,
PNG_BACKGROUND_GAMMA_FILE, 1, 1.0);
+ }
else {
/* blend the canvas background using the alpha channel */
if (bgspec) {