replaced libart with new polygon code

[swftools.git] / lib / rfxswf.c

diff --git a/lib/rfxswf.c b/lib/rfxswf.c
index 93f5db5..bd8cd17 100644 (file)
--- a/lib/rfxswf.c
+++ b/lib/rfxswf.c
@@ -204,17 +204,22 @@ U32 swf_GetBits(TAG * t,int nbits)
   if (!t->readBit) t->readBit = 0x80;
   while (nbits)
   { res<<=1;
+#ifdef DEBUG_RFXSWF
+    if (t->pos>=t->len) 
+    { fprintf(stderr,"GetBits() out of bounds: TagID = %i, pos=%d, len=%d\n",t->id, t->pos, t->len);
+      int i,m=t->len>10?10:t->len;
+      for(i=-1;i<m;i++) {
+        fprintf(stderr, "(%d)%02x ", i, t->data[i]);
+      } 
+      fprintf(stderr, "\n");
+      return res;
+    }
+#endif
     if (t->data[t->pos]&t->readBit) res|=1;
     t->readBit>>=1;
     nbits--;
     if (!t->readBit)
     { if (nbits) t->readBit = 0x80;
-      #ifdef DEBUG_RFXSWF
-      if (t->pos>=t->len) 
-      { fprintf(stderr,"GetBits() out of bounds: TagID = %i\n",t->id);
-        return res;
-      }
-      #endif
       t->pos++;
     }
   }
@@ -368,7 +373,12 @@ int swf_GetS30(TAG*tag)
     while(1) {
        U8 b = swf_GetU8(tag);
         nr++;
-       s|=(b&127)<<shift;
+       nt i,m=t->len>10?10:t->len;
+                for(i=0;i<m;i++) {
+                            fprintf(stderr, "%02x ", t->data[i]);
+                                    } 
+                        fprintf(stderr, "\n");
+                        s|=(b&127)<<shift;
        shift+=7;
        if(!(b&128) || shift>=32) {
             if(b&64) {
@@ -1460,6 +1470,7 @@ int swf_ReadSWF2(reader_t*reader, SWF * swf)   // Reads SWF to memory (malloc'ed
     swf->frameCount = SWAP16(swf->frameCount);
 
     /* read tags and connect to list */
+    t1.next = 0;
     t = &t1;
     while (t) {
       t = swf_ReadTag(reader,t);
@@ -1469,7 +1480,8 @@ int swf_ReadSWF2(reader_t*reader, SWF * swf)   // Reads SWF to memory (malloc'ed
       }
     }
     swf->firstTag = t1.next;
-    t1.next->prev = NULL;
+    if(t1.next)
+      t1.next->prev = NULL;
   }
   
   return reader->pos;
@@ -1699,6 +1711,21 @@ int  swf_WriteSWF2(writer_t*writer, SWF * swf)     // Writes SWF to file, return
   }
 }
 
+int swf_SaveSWF(SWF * swf, char*filename)
+{
+    int fi = open(filename, O_BINARY|O_RDWR|O_TRUNC|O_CREAT, 0777);
+    if(fi<0) {
+        perror(filename);
+        return 0;
+    }
+    if(swf_WriteSWF(fi, swf)<0) {
+        fprintf(stderr, "Unable to write output file: %s\n", filename);
+        return 0;
+    }
+    close(fi);
+    return 1;
+}
+
 int  swf_WriteSWF(int handle, SWF * swf)     // Writes SWF to file, returns length or <0 if fails
 {
   writer_t writer;