+ if (deflateInit(&zs,Z_DEFAULT_COMPRESSION)!=Z_OK) {
+ fprintf(stderr, "rfxswf: zlib compression failed");
+ return -3;
+ }
+
+ zs.next_out = data;
+ zs.avail_out = OUTBUFFER_SIZE;
+
+ for (y=0;y<height;y++)
+ { U8 scanline[width];
+ int x,p = 0;
+ for (x=0;x<width;x++) {
+ scanline[p++] = bitmap[width*y+x].a;
+ }
+ zs.avail_in = width;
+ zs.next_in = scanline;
+
+ while(1) {
+ if(deflate(&zs, Z_NO_FLUSH) != Z_OK) {
+ fprintf(stderr, "rfxswf: zlib compression failed");
+ return -4;
+ }
+ if(zs.next_out != data) {
+ swf_SetBlock(tag, data, zs.next_out - data);
+ zs.next_out = data;
+ zs.avail_out = OUTBUFFER_SIZE;
+ }
+ if(!zs.avail_in) {
+ break;
+ }
+ }
+ }
+
+ while(1) {
+ int ret = deflate(&zs, Z_FINISH);
+ if (ret != Z_OK &&
+ ret != Z_STREAM_END) {
+ fprintf(stderr, "rfxswf: zlib compression failed");
+ return -5;
+ }
+ if(zs.next_out != data) {
+ swf_SetBlock(tag, data, zs.next_out - data);
+ zs.next_out = data;
+ zs.avail_out = OUTBUFFER_SIZE;
+ }
+ if (ret == Z_STREAM_END) {
+ break;
+ }
+ }
+
+ deflateEnd(&zs);
+ free(data);
+ return 0;
+}
+#endif
+
+#undef OUTBUFFER_SIZE