X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswfbits.c;h=c8cb96b04267e9856ada51cba5a097ee448db214;hb=735edd1d444cb6c62c655b96b2d37c2da8bda5dd;hp=cef0c2741580355c80f64e97ac5a2388063bb4db;hpb=d193d733dfa41679452284e4e60e7237ac721cba;p=swftools.git

diff --git a/lib/modules/swfbits.c b/lib/modules/swfbits.c
index cef0c27..c8cb96b 100644
--- a/lib/modules/swfbits.c
+++ b/lib/modules/swfbits.c
@@ -13,7 +13,7 @@
 
 #define OUTBUFFER_SIZE 0x8000
 
-#ifdef _JPEGLIB_INCLUDED_
+#ifdef HAVE_JPEGLIB
 
 typedef struct _JPEGDESTMGR
 { struct jpeg_destination_mgr mgr;
@@ -138,7 +138,10 @@ int swf_SetJPEGBits(TAG * t,char * fname,int quality)
   cinfo.err = jpeg_std_error(&jerr);
   jpeg_create_decompress(&cinfo); 
 
-  if ((f=fopen(fname,"rb"))==NULL) return -1;
+  if ((f=fopen(fname,"rb"))==NULL) {
+      fprintf(stderr, "rfxswf: file open error\n");
+      return -1;
+  }
 
   jpeg_stdio_src(&cinfo,f);
   jpeg_read_header(&cinfo, TRUE);
@@ -216,7 +219,7 @@ int swf_SetJPEGBits(TAG * t,char * fname,int quality)
   return 0;
 }
 
-#endif // _JPEGLIB_INCLUDED_
+#endif // HAVE_JPEGLIB
 
 // Lossless compression texture based on zlib
 
@@ -248,6 +251,7 @@ int RFXSWF_deflate_wraper(TAG * t,z_stream * zs,U8 * data,boolean finish)
   return 0;
 }
 
+
 int swf_SetLosslessBits(TAG * t,U16 width,U16 height,void * bitmap,U8 bitmap_flags)
 { int res = 0;
   int bps;
@@ -263,6 +267,7 @@ int swf_SetLosslessBits(TAG * t,U16 width,U16 height,void * bitmap,U8 bitmap_fla
       bps = width*4;
       break;
     default:
+      fprintf(stderr, "rfxswf: unknown bitmap type %d\n", bitmap_flags);
       return -1;
   }
   
@@ -288,7 +293,6 @@ int swf_SetLosslessBits(TAG * t,U16 width,U16 height,void * bitmap,U8 bitmap_fla
 
       deflateEnd(&zs);
       
-      
     } else res = -3; // zlib error
     free(data);
   } else res = -2; // memory error
@@ -309,7 +313,10 @@ int swf_SetLosslessBitsIndexed(TAG * t,U16 width,U16 height,U8 * bitmap,RGBA * p
     ncolors = 256;
   }
   
-  if ((ncolors<2)||(ncolors>256)||(!t)) return -1; // parameter error
+  if ((ncolors<2)||(ncolors>256)||(!t)) {
+      fprintf(stderr, "rfxswf: unsupported number of colors: %d\n", ncolors);
+      return -1; // parameter error
+  }
 
   swf_SetU8(t,BMF_8BIT);
   swf_SetU16(t,width);
@@ -394,6 +401,90 @@ int swf_SetLosslessBitsGrayscale(TAG * t,U16 width,U16 height,U8 * bitmap)
 
 #endif // HAVE_ZLIB
 
-#undef OUTBUFFER_SIZE
+#if defined(HAVE_ZLIB) && defined(HAVE_JPEGLIB)
+int swf_SetJPEGBits3(TAG * tag,U16 width,U16 height,RGBA* bitmap, int quality)
+{
+  JPEGBITS* jpeg;
+  int y;
+  int pos;
+  int res = 0;
+  U8 * data;
+  z_stream zs;
+  
+  pos = tag->len;
+  swf_SetU32(tag, 0); //placeholder
+  jpeg = swf_SetJPEGBitsStart(tag,width,height,quality);
+  for (y=0;y<height;y++)
+  { U8 scanline[3*width];
+    int x,p = 0;
+    for (x=0;x<width;x++) 
+    { scanline[p++] = bitmap[width*y+x].r;
+      scanline[p++] = bitmap[width*y+x].g;
+      scanline[p++] = bitmap[width*y+x].b;
+    }
+    swf_SetJPEGBitsLine(jpeg,scanline);
+  }
+  swf_SetJPEGBitsFinish(jpeg);
+  PUT32(&tag->data[pos], tag->len - pos - 4);
+
+  data=malloc(OUTBUFFER_SIZE);
+  memset(&zs,0x00,sizeof(z_stream));
+
+  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