From 77a4608ee1f828ed70ec58588f0229cd57758148 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Tue, 18 Aug 2009 02:21:01 +0000
Subject: *** empty log message ***

---
 src/im_convertbitmap.cpp | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

(limited to 'src/im_convertbitmap.cpp')

diff --git a/src/im_convertbitmap.cpp b/src/im_convertbitmap.cpp
index 9d3c720..a4f6b70 100644
--- a/src/im_convertbitmap.cpp
+++ b/src/im_convertbitmap.cpp
@@ -2,7 +2,7 @@
  * \brief Image Conversion
  *
  * See Copyright Notice in im_lib.h
- * $Id: im_convertbitmap.cpp,v 1.2 2009/08/13 22:34:25 scuri Exp $
+ * $Id: im_convertbitmap.cpp,v 1.3 2009/08/18 02:23:33 scuri Exp $
  */
 
 #include "im.h"
@@ -129,7 +129,7 @@ static void iImageMakeGray(imbyte *map, int count, int step)
   }
 }
 
-static void iImageCopyMapAlpha(imbyte *map, imbyte *gldata, int depth, int count)
+static void iImageGLCopyMapAlpha(imbyte *map, imbyte *gldata, int depth, int count)
 {
   /* gldata can be GL_RGBA or GL_LUMINANCE_ALPHA */
   gldata += depth-1; /* position at first alpha */
@@ -141,38 +141,38 @@ static void iImageCopyMapAlpha(imbyte *map, imbyte *gldata, int depth, int count
   }
 }
 
-static void iImageSetTranspMap(imbyte *map, imbyte *gldata, int count, imbyte *transp_map, int transp_count)
+static void iImageGLSetTranspColor(imbyte *gldata, int count, imbyte r, imbyte g, imbyte b)
 {
   /* gldata is GL_RGBA */
-  gldata += 3; /* position at first alpha */
   for(int i = 0; i < count; i++)
   {
-    if (*map < transp_count)
-      *gldata = transp_map[*map];
+    if (*(gldata+0) == r &&
+        *(gldata+1) == g &&
+        *(gldata+2) == b)
+      *(gldata+3) = 0;    /* transparent */
     else
-      *gldata = 255;  /* opaque */
-
-    map++;
+      *(gldata+3) = 255;  /* opaque */
     gldata += 4;
   }
 }
 
-static void iImageSetTranspColor(imbyte *gldata, int count, imbyte r, imbyte g, imbyte b)
+static void iImageGLSetTranspMap(imbyte *map, imbyte *gldata, int count, imbyte *transp_map, int transp_count)
 {
   /* gldata is GL_RGBA */
+  gldata += 3; /* position at first alpha */
   for(int i = 0; i < count; i++)
   {
-    if (*(gldata+0) == r &&
-        *(gldata+1) == g &&
-        *(gldata+2) == b)
-      *(gldata+3) = 0;    /* transparent */
+    if (*map < transp_count)
+      *gldata = transp_map[*map];
     else
-      *(gldata+3) = 255;  /* opaque */
+      *gldata = 255;  /* opaque */
+
+    map++;
     gldata += 4;
   }
 }
 
-static void iImageSetTranspIndex(imbyte *map, imbyte *gldata, int depth, int count, imbyte index)
+static void iImageGLSetTranspIndex(imbyte *map, imbyte *gldata, int depth, int count, imbyte index)
 {
   /* gldata can be GL_RGBA or GL_LUMINANCE_ALPHA */
   gldata += depth-1; /* position at first alpha */
@@ -258,7 +258,7 @@ void* imImageGetOpenGLData(const imImage* image, int *format)
       imConvertPacking(image->data[0], gldata, image->width, image->height, 3, IM_BYTE, 0);
 
       if (transp_color)
-        iImageSetTranspColor(gldata, image->count, *(transp_color+0), *(transp_color+1), *(transp_color+2));
+        iImageGLSetTranspColor(gldata, image->count, *(transp_color+0), *(transp_color+1), *(transp_color+2));
     }
   }
   else
@@ -271,11 +271,11 @@ void* imImageGetOpenGLData(const imImage* image, int *format)
       iImageMakeGray(gldata, image->count, (glformat==GL_LUMINANCE_ALPHA)? 2: 1);
 
     if (image->has_alpha)
-      iImageCopyMapAlpha((imbyte*)image->data[1], gldata, depth, image->count);
+      iImageGLCopyMapAlpha((imbyte*)image->data[1], gldata, depth, image->count);
     else if (transp_map)
-      iImageSetTranspMap((imbyte*)image->data[0], gldata, image->count, transp_map, transp_count);
+      iImageGLSetTranspMap((imbyte*)image->data[0], gldata, image->count, transp_map, transp_count);
     else if (transp_index)
-      iImageSetTranspIndex((imbyte*)image->data[0], gldata, depth, image->count, *transp_index);
+      iImageGLSetTranspIndex((imbyte*)image->data[0], gldata, depth, image->count, *transp_index);
   }
 
   if (format) *format = glformat;
-- 
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