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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2015-12-26 04:23:33 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2015-12-26 04:23:33 +0000
commit26036033027b092a462717c3950dc869095717ed (patch)
tree389aa07cdd3c369f8b8370921e6a47924f0c4d95 /Build/source/texk/dvipdfm-x/pngimage.c
parentfa5fc01573824dc8ce0d249d12b223a29b589364 (diff)
texk/dvipdfm-x: png, and unocode patch from S. Hirata.
git-svn-id: svn://tug.org/texlive/trunk@39201 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvipdfm-x/pngimage.c')
-rw-r--r--Build/source/texk/dvipdfm-x/pngimage.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/Build/source/texk/dvipdfm-x/pngimage.c b/Build/source/texk/dvipdfm-x/pngimage.c
index 609cfab7166..7ccec5b91fe 100644
--- a/Build/source/texk/dvipdfm-x/pngimage.c
+++ b/Build/source/texk/dvipdfm-x/pngimage.c
@@ -63,6 +63,8 @@
#include "pdfximage.h"
+#define DPX_PNG_DEFAULT_GAMMA 2.2
+
#define PDF_TRANS_TYPE_NONE 0
#define PDF_TRANS_TYPE_BINARY 1
#define PDF_TRANS_TYPE_ALPHA 2
@@ -668,7 +670,7 @@ create_cspace_CalRGB (png_structp png_ptr, png_infop info_ptr)
}
G = 1.0 / G; /* Gamma is inverted. */
} else {
- G = 1.0;
+ G = DPX_PNG_DEFAULT_GAMMA;
}
cal_param = make_param_Cal(PNG_COLOR_TYPE_RGB, G, xw, yw, xr, yr, xg, yg, xb, yb);
@@ -709,7 +711,7 @@ create_cspace_CalGray (png_structp png_ptr, png_infop info_ptr)
}
G = 1.0 / G; /* Gamma is inverted. */
} else {
- G = 1.0;
+ G = DPX_PNG_DEFAULT_GAMMA;
}
cal_param = make_param_Cal(PNG_COLOR_TYPE_GRAY, G, xw, yw, xr, yr, xg, yg, xb, yb);