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List:       kde-devel
Subject:    [Patch] Fix wrong color type for RGBA in kfile_png
From:       Volker Krause <volker.krause () web ! de>
Date:       2002-08-29 14:12:02
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Hello,

the attached patch fixes the wrong color type value for RGBA images in the png 
file plugin. The correct value is 6 (see PNG spec), but currently 5 is used.
The wrong color type value causes a wrong display of the bit depth as well as 
the color type.

Volker Krause
["kfile_png.cpp.diff" (text/x-diff)]

Index: kfile_png.cpp
===================================================================
RCS file: /home/kde/kdegraphics/kfile-plugins/png/kfile_png.cpp,v
retrieving revision 1.14
diff -u -r1.14 kfile_png.cpp
--- kfile_png.cpp	28 Aug 2002 21:23:39 -0000	1.14
+++ kfile_png.cpp	29 Aug 2002 13:52:26 -0000
@@ -62,6 +62,7 @@
   I18N_NOOP("RGB"),
   I18N_NOOP("Palette"),
   I18N_NOOP("Grayscale/Alpha"),
+  I18N_NOOP("Unknown"),
   I18N_NOOP("RGB/Alpha")
 };
 
@@ -142,7 +143,7 @@
                 case 2: bpp *= 3; break; // RGB
                 case 3: break;           // palette
                 case 4: bpp *= 2; break; // grayscale w. alpha
-                case 5: bpp *= 4; break; // RGBA
+                case 6: bpp *= 4; break; // RGBA
 
                 default: // we don't get any sensible value here
                     bpp = 0;

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