X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fswfextract.c;h=ee15f6235d044dec271a14a6affe24d82c4a00c7;hb=9dd3c056922a1f370c0543c43adae040723bc454;hp=965cfd3fecf3237acdc75fa9746bcb5ea4b1c266;hpb=07529c8dd0ce0d0e7e485a9f562afdd2bbad6184;p=swftools.git

diff --git a/src/swfextract.c b/src/swfextract.c
index 965cfd3..ee15f62 100644
--- a/src/swfextract.c
+++ b/src/swfextract.c
@@ -356,6 +356,7 @@ void extractTag(SWF*swf, char*filename)
 	if(!originalplaceobjects && (extractids||extractname_id>=0)) {
             int number = 0;
             int id = 0;
+	    int t;
             TAG* objtag = 0;
             SRECT bbox;
             memset(&bbox, 0, sizeof(SRECT));
@@ -381,7 +382,6 @@ void extractTag(SWF*swf, char*filename)
                 }
             }
 
-	    int t;
 	    if((objectbbox.xmin|objectbbox.ymin|objectbbox.xmax|objectbbox.ymax)!=0)
 		newswf.movieSize = objectbbox;
 	    if(extractname_id>=0) {
@@ -830,12 +830,21 @@ void handlelossless(TAG*tag)
 	     png_write_byte(fi,palette[t].b);
 	 }
 	png_end_chunk(fi);
+
+	if(alpha) {
+	    /* write alpha palette */
+	    png_start_chunk(fi, "tRNS", 256);
+	    for(t=0;t<256;t++) {
+		png_write_byte(fi,palette[t].a);
+	    }
+	    png_end_chunk(fi);
+	}
     }
     {
 	int pos2 = 0;
 	int x,y;
 	int srcwidth = width * (bpp/8);
-	datalen3 = width*height*4;
+	datalen3 = (width*4+5)*height;
 	data3 = (U8*)malloc(datalen3);
 	for(y=0;y<height;y++)
 	{