X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=lib%2Frfxswf.c;h=05f6ad9e65dcbb605260a18bb48cdae63643ea7c;hp=28c665d342cfa231f50b0d57b8e8e03eaa5d3044;hb=57daf2c90dc409a2aa7030ce6ce996707e99967b;hpb=ebb24001da96131b6d05134dc2683c03337a7917

diff --git a/lib/rfxswf.c b/lib/rfxswf.c
index 28c665d..05f6ad9 100644
--- a/lib/rfxswf.c
+++ b/lib/rfxswf.c
@@ -26,12 +26,6 @@
 
 #include "mem.h"
 #include "rfxswf.h"
-
-#ifdef HAVE_JPEGLIB
-#define HAVE_BOOLEAN
-#include <jpeglib.h>
-#endif // HAVE_JPEGLIB
-
 #ifdef HAVE_ZLIB
 #include <zlib.h>
 #endif // HAVE_ZLIB
@@ -46,6 +40,10 @@
 #include <time.h>
 #endif
 
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
+
 #include "./bitio.h"
 #include "./MD5.h"
 
@@ -65,11 +63,6 @@ U32   swf_GetTagLen(TAG * t) { return t->len; }
 U8*   swf_GetTagLenPtr(TAG * t) { return &(t->data[t->len]); }
 U32   swf_GetTagPos(TAG * t)   { return t->pos; }
 
-// for future purpose: avoid high level lib functions to change tagpos/bitpos
-
-#define swf_SaveTagPos(tag)
-#define swf_RestoreTagPos(tag)
-
 void swf_SetTagPos(TAG * t,U32 pos)
 { swf_ResetReadBits(t);
   if (pos<=t->len) t->pos = pos;
@@ -82,9 +75,18 @@ void swf_SetTagPos(TAG * t,U32 pos)
 
 char* swf_GetString(TAG*t)
 {
-    char* str = ((char*)(&(t)->data[(t)->pos]));
-    while(swf_GetU8(t));
-    return str;
+    int pos = t->pos;
+    while(t->pos < t->len && swf_GetU8(t));
+    /* make sure we always have a trailing zero byte */
+    if(t->pos == t->len) {
+      if(t->len == t->memsize) {
+	swf_ResetWriteBits(t);
+	swf_SetU8(t, 0);
+	t->len = t->pos;
+      }
+      t->data[t->len] = 0;
+    }
+    return (char*)&(t->data[pos]);
 }
 
 U8 swf_GetU8(TAG * t)
@@ -224,10 +226,10 @@ S32 swf_GetSBits(TAG * t,int nbits)
   return (S32)res;
 }
 
-U32 reader_GetBits(struct reader_t*reader, int nbits)
+U32 reader_GetBits(reader_t*reader, int nbits)
 { return reader_readbits(reader, nbits);
 }
-S32 reader_GetSBits(struct reader_t*reader, int nbits)
+S32 reader_GetSBits(reader_t*reader, int nbits)
 { U32 res = reader_readbits(reader, nbits);
   if (res&(1<<(nbits-1))) res|=(0xffffffff<<nbits);  
   return (S32)res;
@@ -251,6 +253,31 @@ int swf_SetBits(TAG * t,U32 v,int nbits)
 
 // Advanced Data Access Functions
 
+double swf_GetFixed(TAG * t)
+{
+  U16 low =  swf_GetU16(t);
+  U16 high = swf_GetU16(t);
+  return high + low*(1/65536.0);
+}
+void swf_SetFixed(TAG * t, double f)
+{
+  U16 fr = (U16)((f-(int)f)*65536);
+  swf_SetU16(t, fr);
+  swf_SetU16(t, (U16)f - (f<0 && fr!=0));
+}
+float swf_GetFixed8(TAG * t)
+{
+  U8 low =  swf_GetU8(t);
+  U8 high = swf_GetU8(t);
+  return (float)(high + low*(1/256.0));
+}
+void swf_SetFixed8(TAG * t, float f)
+{
+  U8 fr = (U8)((f-(int)f)*256);
+  swf_SetU8(t, fr);
+  swf_SetU8(t, (U8)f - (f<0 && fr!=0));
+}
+
 int swf_SetRGB(TAG * t,RGBA * col)
 { if (!t) return -1;
   if (col)
@@ -294,25 +321,29 @@ void swf_GetRGBA(TAG * t, RGBA * col)
 
 void swf_GetGradient(TAG * tag, GRADIENT * gradient, char alpha)
 {
-    GRADIENT dummy;
     int t;
     if(!tag) {
       memset(gradient, 0, sizeof(GRADIENT));
       return;
     }
-    if(!gradient)
-	gradient = &dummy;
-    gradient->num = swf_GetU8(tag);
-    for(t=0;t<gradient->num;t++)
+    U8 num = swf_GetU8(tag) & 15;
+    if(gradient) {
+	gradient->num = num;
+	gradient->rgba = (RGBA*)rfx_calloc(sizeof(RGBA)*gradient->num);
+	gradient->ratios = (U8*)rfx_calloc(sizeof(gradient->ratios[0])*gradient->num);
+    }
+    for(t=0;t<num;t++)
     {
-	int s=t;
-	if(s>=8) //FIXME
-	    s=7;
-	gradient->ratios[t] = swf_GetU8(tag);
+	U8 ratio = swf_GetU8(tag);
+	RGBA color;
 	if(!alpha)
-	    swf_GetRGB(tag, &gradient->rgba[t]);
+	    swf_GetRGB(tag, &color);
 	else
-	    swf_GetRGBA(tag, &gradient->rgba[t]);
+	    swf_GetRGBA(tag, &color);
+	if(gradient) {
+	  gradient->ratios[t] = ratio;
+	  gradient->rgba[t] = color;
+	}
     }
 }
 
@@ -334,6 +365,15 @@ void swf_SetGradient(TAG * tag, GRADIENT * gradient, char alpha)
     }
 }
 
+void swf_FreeGradient(GRADIENT* gradient)
+{
+  if(gradient->ratios)
+    rfx_free(gradient->ratios);
+  if(gradient->rgba)
+    rfx_free(gradient->rgba);
+  memset(gradient, 0, sizeof(GRADIENT));
+}
+
 int swf_CountUBits(U32 v,int nbits)
 { int n = 32;
   U32 m = 0x80000000;
@@ -381,7 +421,7 @@ int swf_GetRect(TAG * t,SRECT * r)
   return 0;
 }
 
-int reader_GetRect(struct reader_t*reader,SRECT * r)
+int reader_GetRect(reader_t*reader,SRECT * r)
 { int nbits;
   SRECT dummy;
   if (!r) r = &dummy;
@@ -414,6 +454,20 @@ int swf_SetRect(TAG * t,SRECT * r)
   return 0;
 }
 
+SRECT swf_ClipRect(SRECT border, SRECT r)
+{
+    if(r.xmax > border.xmax) r.xmax = border.xmax;
+    if(r.ymax > border.ymax) r.ymax = border.ymax;
+    if(r.xmax < border.xmin) r.xmax = border.xmin;
+    if(r.ymax < border.ymin) r.ymax = border.ymin;
+    
+    if(r.xmin > border.xmax) r.xmin = border.xmax;
+    if(r.ymin > border.ymax) r.ymin = border.ymax;
+    if(r.xmin < border.xmin) r.xmin = border.xmin;
+    if(r.ymin < border.ymin) r.ymin = border.ymin;
+    return r;
+}
+
 void swf_ExpandRect(SRECT*src, SPOINT add)
 {
     if((src->xmin | src->ymin | src->xmax | src->ymax)==0) {
@@ -707,14 +761,14 @@ void  swf_SetPassword(TAG * t, const char * password)
     md5string = crypt_md5(password, salt);
 
     swf_SetU16(t,0);
-    swf_SetString(t, md5string);
+    swf_SetString(t, (U8*)md5string);
 }
 
 int swf_VerifyPassword(TAG * t, const char * password)
 {
     char*md5string1, *md5string2;
     char*x;
-    char*md5, *salt;
+    char*salt;
     int n;
 
     if(t->len >= 5 && t->pos==0 && 
@@ -820,7 +874,7 @@ int swf_DeleteTag(TAG * t)
   return 0;
 }
 
-TAG * swf_ReadTag(struct reader_t*reader, TAG * prev)
+TAG * swf_ReadTag(reader_t*reader, TAG * prev)
 { TAG * t;
   U16 raw;
   U32 len;
@@ -868,7 +922,7 @@ TAG * swf_ReadTag(struct reader_t*reader, TAG * prev)
 
 int swf_DefineSprite_GetRealSize(TAG * t);
 
-int swf_WriteTag2(struct writer_t*writer, TAG * t)
+int swf_WriteTag2(writer_t*writer, TAG * t)
 // returns tag length in bytes (incl. Header), -1 = Error
 // writer = 0 -> no output
 { U16 raw[3];
@@ -934,7 +988,7 @@ int swf_WriteTag2(struct writer_t*writer, TAG * t)
 
 int swf_WriteTag(int handle, TAG * t)
 {
-  struct writer_t writer;
+  writer_t writer;
   int len = 0;
   if(handle<0)
     return swf_WriteTag2(0, t);
@@ -1014,7 +1068,7 @@ void swf_UnFoldSprite(TAG * t)
 void swf_FoldSprite(TAG * t)
 {
   TAG*sprtag=t,*tmp;
-  U16 id,frames,tmpid;
+  U16 id,frames;
   int level;
   if(t->id!=ST_DEFINESPRITE)
       return;
@@ -1173,7 +1227,7 @@ void swf_OptimizeTagOrder(SWF*swf)
 
 // Movie Functions
 
-int swf_ReadSWF2(struct reader_t*reader, SWF * swf)   // Reads SWF to memory (malloc'ed), returns length or <0 if fails
+int swf_ReadSWF2(reader_t*reader, SWF * swf)   // Reads SWF to memory (malloc'ed), returns length or <0 if fails
 {     
   if (!swf) return -1;
   memset(swf,0x00,sizeof(SWF));
@@ -1182,7 +1236,7 @@ int swf_ReadSWF2(struct reader_t*reader, SWF * swf)   // Reads SWF to memory (ma
     int len;
     TAG * t;
     TAG t1;
-    struct reader_t zreader;
+    reader_t zreader;
     
     if ((len = reader->read(reader ,b,8))<8) return -1;
 
@@ -1197,6 +1251,7 @@ int swf_ReadSWF2(struct reader_t*reader, SWF * swf)   // Reads SWF to memory (ma
 	reader_init_zlibinflate(&zreader, reader);
 	reader = &zreader;
     }
+    swf->compressed = 0; // derive from version number from now on
 
     reader_GetRect(reader, &swf->movieSize);
     reader->read(reader, &swf->frameRate, 2);
@@ -1216,16 +1271,16 @@ int swf_ReadSWF2(struct reader_t*reader, SWF * swf)   // Reads SWF to memory (ma
 
 int swf_ReadSWF(int handle, SWF * swf)
 {
-  struct reader_t reader;
+  reader_t reader;
   reader_init_filereader(&reader, handle);
   return swf_ReadSWF2(&reader, swf);
 }
 
-int  swf_WriteSWF2(struct writer_t*writer, SWF * swf)     // Writes SWF to file, returns length or <0 if fails
+int  swf_WriteSWF2(writer_t*writer, SWF * swf)     // Writes SWF to file, returns length or <0 if fails
 { U32 len;
   TAG * t;
   int frameCount=0;
-  struct writer_t zwriter;
+  writer_t zwriter;
   int fileSize = 0;
   int inSprite = 0;
   int writer_lastpos = 0;
@@ -1241,13 +1296,37 @@ int  swf_WriteSWF2(struct writer_t*writer, SWF * swf)     // Writes SWF to file,
 #ifdef INSERT_RFX_TAG
 
   if ((swf->firstTag && swf->firstTag->id != ST_REFLEX) &&
-      (!swf->firstTag->next || swf->firstTag->next->id != ST_REFLEX)) 
+      (!swf->firstTag->next || (swf->firstTag->next->id != ST_REFLEX &&
+      (!swf->firstTag->next->next || (swf->firstTag->next->next->id!=ST_REFLEX)))))
   {
-      swf_SetBlock(swf_InsertTagBefore(swf, swf->firstTag,ST_REFLEX),"rfx",3);
+      swf_SetBlock(swf_InsertTagBefore(swf, swf->firstTag,ST_REFLEX),(U8*)"rfx",3);
   }
 
 #endif // INSERT_RFX_TAG
 
+  if(swf->fileVersion >= 9) {
+    if ((!swf->firstTag || swf->firstTag->id != ST_SCENEDESCRIPTION) &&
+	(!swf->firstTag || 
+	 !swf->firstTag->next || swf->firstTag->next->id != ST_SCENEDESCRIPTION) &&
+	(!swf->firstTag || 
+	 !swf->firstTag->next || 
+	 !swf->firstTag->next->next || swf->firstTag->next->next->id != ST_SCENEDESCRIPTION))
+    {
+	TAG*scene = swf_InsertTagBefore(swf, swf->firstTag,ST_SCENEDESCRIPTION);
+	swf_SetU16(scene, 1);
+	swf_SetString(scene, (U8*)"Scene 1");
+	swf_SetU8(scene, 0);
+    }
+  }
+  
+  if(swf->fileVersion >= 9) {
+      if (swf->firstTag && swf->firstTag->id != ST_FILEATTRIBUTES)
+      {
+	  U32 flags = 0x8; // | 128 = usenetwork, | 16 = Actionscript3 | 8 = hasmetadata
+	  swf_SetU32(swf_InsertTagBefore(swf, swf->firstTag,ST_FILEATTRIBUTES),flags);
+      }
+  }
+
   // Count Frames + File Size
 
   len = 0;
@@ -1302,11 +1381,10 @@ int  swf_WriteSWF2(struct writer_t*writer, SWF * swf)     // Writes SWF to file,
        It also means that we don't initialize our own zlib
        writer, but assume the caller provided one.
      */
-      if(swf->compressed) {
+      if(swf->compressed==1 || (swf->compressed==0 && swf->fileVersion>=6)) {
 	char*id = "CWS";
 	writer->write(writer, id, 3);
-      }
-      else {
+      } else {
 	char*id = "FWS";
 	writer->write(writer, id, 3);
       }
@@ -1315,7 +1393,7 @@ int  swf_WriteSWF2(struct writer_t*writer, SWF * swf)     // Writes SWF to file,
       PUT32(b4, swf->fileSize);
       writer->write(writer, b4, 4);
       
-      if(swf->compressed) {
+      if(swf->compressed==1 || (swf->compressed==0 && swf->fileVersion>=6)) {
 	writer_init_zlibdeflate(&zwriter, writer);
 	writer = &zwriter;
       }
@@ -1341,7 +1419,7 @@ int  swf_WriteSWF2(struct writer_t*writer, SWF * swf)     // Writes SWF to file,
     { if (swf_WriteTag2(writer, t)<0) return -1;
       t = swf_NextTag(t);
     }
-    if(swf->compressed) {
+    if(swf->compressed==1 || (swf->compressed==0 && swf->fileVersion>=6) || swf->compressed==8) {
       if(swf->compressed != 8) {
 	zwriter.finish(&zwriter);
 	return writer->pos - writer_lastpos;
@@ -1355,9 +1433,8 @@ int  swf_WriteSWF2(struct writer_t*writer, SWF * swf)     // Writes SWF to file,
 
 int  swf_WriteSWF(int handle, SWF * swf)     // Writes SWF to file, returns length or <0 if fails
 {
-  struct writer_t writer;
+  writer_t writer;
   int len = 0;
-  swf->compressed = 0;
   
   if(handle<0) {
     writer_init_nullwriter(&writer);
@@ -1370,23 +1447,7 @@ int  swf_WriteSWF(int handle, SWF * swf)     // Writes SWF to file, returns leng
   return len;
 }
 
-int  swf_WriteSWC(int handle, SWF * swf)     // Writes SWF to file, returns length or <0 if fails
-{
-  struct writer_t writer;
-  int len = 0;
-  swf->compressed = 1;
-
-  if(handle<0) {
-    writer_init_nullwriter(&writer);
-    len = swf_WriteSWF2(&writer, swf);
-  }
-  writer_init_filewriter(&writer, handle);
-  len = swf_WriteSWF2(&writer, swf);
-  writer.finish(&writer);
-  return len;
-}
-
-int swf_WriteHeader2(struct writer_t*writer,SWF * swf)
+int swf_WriteHeader2(writer_t*writer,SWF * swf)
 {
   SWF myswf;
   memcpy(&myswf,swf,sizeof(SWF));
@@ -1422,7 +1483,7 @@ int swf_WriteCGI(SWF * swf)
 
 SWF* swf_CopySWF(SWF*swf)
 {
-    SWF*nswf = rfx_alloc(sizeof(SWF));
+    SWF*nswf = (SWF*)rfx_alloc(sizeof(SWF));
     TAG*tag, *ntag;
     memcpy(nswf, swf, sizeof(SWF));
     nswf->firstTag = 0;
@@ -1451,16 +1512,18 @@ void swf_FreeTags(SWF * swf)                 // Frees all malloc'ed memory for t
 
 // include advanced functions
 
-#include "modules/swfdump.c"
-#include "modules/swfshape.c"
-#include "modules/swftext.c"
-#include "modules/swffont.c"
-#include "modules/swfobject.c"
-#include "modules/swfbutton.c"
-#include "modules/swftools.c"
-#include "modules/swfcgi.c"
-#include "modules/swfbits.c"
-#include "modules/swfaction.c"
-#include "modules/swfsound.c"
-#include "modules/swfdraw.c"
-#include "modules/swfrender.c"
+//#include "modules/swfdump.c"
+//#include "modules/swfshape.c"
+//#include "modules/swftext.c"
+//#include "modules/swffont.c"
+//#include "modules/swfobject.c"
+//#include "modules/swfbutton.c"
+//#include "modules/swftools.c"
+//#include "modules/swfcgi.c"
+//#include "modules/swfbits.c"
+//#include "modules/swfaction.c"
+//#include "modules/swfabc.c"
+//#include "modules/swfsound.c"
+//#include "modules/swfdraw.c"
+//#include "modules/swfrender.c"
+//#include "modules/swffilter.c"