fixed swf_ExpandRect3().

[swftools.git] / lib / rfxswf.c

diff --git a/lib/rfxswf.c b/lib/rfxswf.c
index 3a8a3ce..e6f30c1 100644 (file)
--- a/lib/rfxswf.c
+++ b/lib/rfxswf.c
@@ -120,6 +120,16 @@ void rfx_free(void*ptr)
   free(ptr);
 }
 
+#ifdef MEMORY_INFO
+long rfx_memory_used()
+{
+}
+
+char* rfx_memory_used_str()
+{
+}
+#endif
+
 // internal constants
 
 #define MALLOC_SIZE     128
@@ -532,11 +542,11 @@ void swf_ExpandRect3(SRECT*src, SPOINT center, int radius)
     if(center.x - radius < src->xmin)
        src->xmin = center.x - radius;
     if(center.x + radius > src->xmax)
-       src->xmax = center.x - radius;
+       src->xmax = center.x + radius;
     if(center.y - radius < src->ymin)
        src->ymin = center.y - radius;
     if(center.y + radius > src->ymax)
-       src->ymax = center.y - radius;
+       src->ymax = center.y + radius;
 }
 SPOINT swf_TurnPoint(SPOINT p, MATRIX* m)
 {
@@ -549,6 +559,8 @@ SRECT swf_TurnRect(SRECT r, MATRIX* m)
 {
     SRECT g;
     SPOINT p1,p2,p3,p4,pp1,pp2,pp3,pp4;
+    if(!m)
+      return r;
     p1.x = r.xmin;p1.y = r.ymin;
     p2.x = r.xmax;p2.y = r.ymin;
     p3.x = r.xmin;p3.y = r.ymax;
@@ -916,7 +928,12 @@ TAG * swf_ReadTag(struct reader_t*reader, TAG * prev)
   if (t->len)
   { t->data = (U8*)rfx_alloc(t->len);
     t->memsize = t->len;
-    if (reader->read(reader, t->data, t->len) != t->len) return NULL;
+    if (reader->read(reader, t->data, t->len) != t->len) {
+      fprintf(stderr, "rfxswf: Warning: Short read (tagid %d). File truncated?\n", t->id);
+      free(t->data);t->data=0;
+      free(t);
+      return NULL;
+    }
   }
 
   if (prev)
@@ -1497,3 +1514,4 @@ void swf_FreeTags(SWF * swf)                 // Frees all malloc'ed memory for t
 #include "modules/swfaction.c"
 #include "modules/swfsound.c"
 #include "modules/swfdraw.c"
+#include "modules/swfrender.c"