diff options
Diffstat (limited to 'Build/source/texk/dvipdfm-x/pngimage.c')
-rw-r--r-- | Build/source/texk/dvipdfm-x/pngimage.c | 6 |
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); |