X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=render%2Fimage.c;h=aa30ee628f59d0cc927ff62f8f96d72204ed1e8e;hb=d3d4aa29871111737a4f6985da695c8688a05270;hp=2c32cd127c0fc4ec11ee190272f9e9df627d41a3;hpb=a908e04818e2d9eab3e3d8049c573e8d9ddcd0b8;p=chaz%2Fopenbox

diff --git a/render/image.c b/render/image.c
index 2c32cd12..aa30ee62 100644
--- a/render/image.c
+++ b/render/image.c
@@ -1,6 +1,7 @@
 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
 
    image.c for the Openbox window manager
+   Copyright (c) 2006        Mikael Magnusson
    Copyright (c) 2003        Ben Jansens
 
    This program is free software; you can redistribute it and/or modify
@@ -26,37 +27,6 @@
 #define FLOOR(i)        ((i) & (~0UL << FRACTION))
 #define AVERAGE(a, b)   (((((a) ^ (b)) & 0xfefefefeL) >> 1) + ((a) & (b)))
 
-static RrPixel32* scale_half(RrPixel32 *source, gint w, gint h)
-{
-    RrPixel32 *out, *dest, *sourceline, *sourceline2;
-    gint dw, dh, x, y;
-
-    sourceline = source;
-    sourceline2 = source + w;
-
-    dw = w >> 1;
-    dh = h >> 1;
-
-    out = dest = g_new(RrPixel32, dw * dh);
-
-    for (y = 0; y < dh; ++y) {
-        RrPixel32 *s, *s2;
-
-        s = sourceline;
-        s2 = sourceline2;
-
-        for (x = 0; x < dw; ++x) {
-            *dest++ = AVERAGE(AVERAGE(*s, *(s+1)),
-                              AVERAGE(*s2, *(s2+1)));
-            s += 2;
-            s2 += 2;
-        }
-        sourceline += w << 1;
-        sourceline2 += w << 1;
-    }
-    return out;
-}
-
 static void ImageCopyResampled(RrPixel32 *dst, RrPixel32 *src,
                                gulong dstW, gulong dstH,
                                gulong srcW, gulong srcH)
@@ -109,11 +79,16 @@ static void ImageCopyResampled(RrPixel32 *dst, RrPixel32 *src,
                     portionXY = (portionX * portionY) >> FRACTION;
                     sumXY += portionXY;
                     
-                    pixel = *(src + (srcY >> FRACTION) * srcW + (srcX >> FRACTION));
-                    red   += ((pixel >> RrDefaultRedOffset)   & 0xFF) * portionXY;
-                    green += ((pixel >> RrDefaultGreenOffset) & 0xFF) * portionXY;
-                    blue  += ((pixel >> RrDefaultBlueOffset)  & 0xFF) * portionXY;
-                    alpha += ((pixel >> RrDefaultAlphaOffset) & 0xFF) * portionXY;
+                    pixel = *(src + (srcY >> FRACTION) * srcW
+                            + (srcX >> FRACTION));
+                    red   += ((pixel >> RrDefaultRedOffset)   & 0xFF)
+                             * portionXY;
+                    green += ((pixel >> RrDefaultGreenOffset) & 0xFF)
+                             * portionXY;
+                    blue  += ((pixel >> RrDefaultBlueOffset)  & 0xFF)
+                             * portionXY;
+                    alpha += ((pixel >> RrDefaultAlphaOffset) & 0xFF)
+                             * portionXY;
                 }
             }