From: kramm <kramm>
Date: Sun, 27 Mar 2005 21:00:18 +0000 (+0000)
Subject: fixed a bug in swf_ExtractImage() for 8-bit palette lossless images
X-Git-Tag: release-0-7-0~156
X-Git-Url: http://git.asbjorn.biz/?a=commitdiff_plain;h=a694b731da2eed7c0302a78386f03f8c7ca9869f;hp=f240760415f2f9312368cedd845ac3c5eac4c565;p=swftools.git

fixed a bug in swf_ExtractImage() for 8-bit palette lossless images
---

diff --git a/lib/modules/swfbits.c b/lib/modules/swfbits.c
index f238503..bc1e0f8 100644
--- a/lib/modules/swfbits.c
+++ b/lib/modules/swfbits.c
@@ -801,6 +801,8 @@ RGBA *swf_DefineLosslessBitsTagToImage(TAG * tag, int *dwidth, int *dheight)
 	    palette[t].b = data[pos++];
 	    if (alpha) {
 		palette[t].a = data[pos++];
+	    } else {
+		palette[t].a = 255;
 	    }
 	}
     }
@@ -820,7 +822,11 @@ RGBA *swf_DefineLosslessBitsTagToImage(TAG * tag, int *dwidth, int *dheight)
 		}
 	    } else {
 		for (x = 0; x < width; x++) {
-		    /* TODO: un-premultiply alpha? */
+		    /* TODO: premultiply alpha? 
+		    dest[pos2].r = (data[pos + 1]*255)/data[pos+0];
+		    dest[pos2].g = (data[pos + 2]*255)/data[pos+0];
+		    dest[pos2].b = (data[pos + 3]*255)/data[pos+0];
+		    */
 		    dest[pos2].r = data[pos + 1];
 		    dest[pos2].g = data[pos + 2];
 		    dest[pos2].b = data[pos + 3];