#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
#include <time.h>
#endif
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
+
#include "./bitio.h"
#include "./MD5.h"
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;
char* swf_GetString(TAG*t)
{
- char* str = ((char*)(&(t)->data[(t)->pos]));
+ 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) {
}
t->data[t->len] = 0;
}
- return str;
+ return (char*)&(t->data[pos]);
}
U8 swf_GetU8(TAG * t)
return l;
}
-int swf_SetBlock(TAG * t,U8 * b,int l)
+int swf_SetBlock(TAG * t,const U8 * b,int l)
// Appends Block to the end of Tagdata, returns size
{ U32 newlen = t->len + l;
swf_ResetWriteBits(t);
// 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)
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;
+ }
}
}
}
}
+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;
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) {
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 &&
return tag;
}
-int swf_DeleteTag(TAG * t)
-{ if (!t) return -1;
+TAG* swf_DeleteTag(SWF*swf, TAG * t)
+{
+ TAG*next = t->next;
+ if (swf && swf->firstTag==t)
+ swf->firstTag = t->next;
if (t->prev) t->prev->next = t->next;
if (t->next) t->next->prev = t->prev;
if (t->data) rfx_free(t->data);
rfx_free(t);
- return 0;
+ return next;
}
TAG * swf_ReadTag(reader_t*reader, TAG * prev)
t->id!=ST_DEFINEBITSJPEG&&t->id!=ST_DEFINEBITSJPEG2&&t->id!=ST_DEFINEBITSJPEG3);
if (writer)
- { if (short_tag)
+ {
+#ifdef MEASURE
+ int oldpos = writer->pos;
+#endif
+
+ if (short_tag)
{ raw[0] = SWAP16(len|((t->id&0x3ff)<<6));
if (writer->write(writer,raw,2)!=2)
{
#ifdef DEBUG_RFXSWF
else if (t->len) fprintf(stderr,"WriteTag(): Tag Data Error, id=%i\n",t->id);
#endif
+
+#ifdef MEASURE
+ writer->flush(writer);
+ printf("TAG %s costs %d bytes\n", swf_TagGetName(t), writer->pos-oldpos);
+#endif
}
return t->len+(short_tag?2:6);
void swf_FoldSprite(TAG * t)
{
TAG*sprtag=t,*tmp;
- U16 id,frames,tmpid;
+ U16 id,frames;
int level;
if(t->id!=ST_DEFINESPRITE)
return;
if(t->id == ST_END)
level--;
t = swf_NextTag(t);
- swf_DeleteTag(tmp);
+ swf_DeleteTag(0, tmp);
}
while (t && level);
if(level)
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);
/* read tags and connect to list */
t = &t1;
- while (t) t = swf_ReadTag(reader,t);
+ while (t) {
+ t = swf_ReadTag(reader,t);
+ if(t && t->id == ST_FILEATTRIBUTES) {
+ swf->fileAttributes = swf_GetU32(t);
+ swf_ResetReadBits(t);
+ }
+ }
swf->firstTag = t1.next;
t1.next->prev = NULL;
}
return swf_ReadSWF2(&reader, swf);
}
+int no_extra_tags = 0;
+
+int WriteExtraTags(SWF*swf, writer_t*writer)
+{
+ TAG*t = swf->firstTag;
+ TAG* has_fileattributes=0;
+ int has_scenedescription=0;
+ int has_version_8_action=0;
+ int has_version_9_action=0;
+ int len = 0;
+ while(t) {
+ if(t->id == ST_FILEATTRIBUTES)
+ has_fileattributes = t;
+ if(t->id == ST_SCENEDESCRIPTION)
+ has_scenedescription = 1;
+ if(t->id == ST_DOABC)
+ has_version_9_action=1;
+ /* FIXME: this doesn't yet find actionscript in buttons */
+ if(t->id == ST_DOACTION || t->id == ST_DOINITACTION)
+ has_version_8_action=1;
+ if(t->id == ST_PLACEOBJECT2 && t->len && (t->data[0]&0x80))
+ has_version_8_action=1;
+ t = t->next;
+ }
+ if(has_version_8_action && has_version_9_action) {
+ fprintf(stderr, "Warning: File contains both flash 8 and flash 9 actionscript\n");
+ }
+
+ if(swf->fileVersion >= 9) {
+ if(!has_fileattributes) {
+ U32 flags = swf->fileAttributes|0x08; // 16 = has symbolclass tag | 8 = actionscript3 | 1 = usenetwork
+ if(has_version_8_action && !has_version_9_action)
+ flags &= ~0x08;
+ TAG*fileattrib = swf_InsertTag(0, ST_FILEATTRIBUTES);
+ swf_SetU32(fileattrib, flags);
+ if(writer) {
+ if(swf_WriteTag2(writer, fileattrib)<0)
+ return -1;
+ } else {
+ len += swf_WriteTag(-1,fileattrib);
+ }
+ swf_DeleteTag(0, fileattrib);
+ } else {
+ if(swf_WriteTag2(writer, has_fileattributes)<0)
+ return -1;
+ }
+ if(!has_scenedescription) {
+ TAG*scene = swf_InsertTag(0, ST_SCENEDESCRIPTION);
+ swf_SetU16(scene, 1);
+ swf_SetString(scene, (U8*)"Scene 1");
+ swf_SetU8(scene, 0);
+ if(writer) {
+ if(swf_WriteTag2(writer, scene)<0)
+ return -1;
+ } else {
+ len += swf_WriteTag(-1,scene);
+ }
+ swf_DeleteTag(0, scene);
+ }
+ }
+ return len;
+}
+
int swf_WriteSWF2(writer_t*writer, SWF * swf) // Writes SWF to file, returns length or <0 if fails
{ U32 len;
TAG * t;
writer_t zwriter;
int fileSize = 0;
int inSprite = 0;
- int writer_lastpos = 0;
int ret;
+ writer_t*original_writer = writer;
+ int writer_lastpos = 0;
if (!swf) return -1;
if (!writer) return -1; // the caller should provide a nullwriter, not 0, for querying SWF size
- if(writer) writer_lastpos = writer->pos;
-
- if(swf->fileVersion >= 8) {
- if ((swf->firstTag && swf->firstTag->id != ST_FILEATTRIBUTES) &&
- (!swf->firstTag->next || swf->firstTag->next->id != ST_FILEATTRIBUTES))
- {
- U32 flags = 0; // | 128 = usenetwork, | 8 = hasmetadata
- swf_SetU32(swf_InsertTagBefore(swf, swf->firstTag,ST_FILEATTRIBUTES),flags);
- }
- }
-
- // Insert REFLEX Tag
-
-#ifdef INSERT_RFX_TAG
-
- if ((swf->firstTag && swf->firstTag->id != ST_REFLEX) &&
- (!swf->firstTag->next || swf->firstTag->next->id != ST_REFLEX))
- {
- swf_SetBlock(swf_InsertTagBefore(swf, swf->firstTag,ST_REFLEX),"rfx",3);
- }
-
-#endif // INSERT_RFX_TAG
+ if(original_writer) writer_lastpos = original_writer->pos;
// Count Frames + File Size
t = swf->firstTag;
frameCount = 0;
+ len += WriteExtraTags(swf, 0);
while(t) {
len += swf_WriteTag(-1,t);
if(t->id == ST_DEFINESPRITE && !swf_IsFolded(t)) inSprite++;
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);
}
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;
}
return -1;
}
+ if(!no_extra_tags) {
+ WriteExtraTags(swf, writer);
+ }
t = swf->firstTag;
- while (t)
- { if (swf_WriteTag2(writer, t)<0) return -1;
- t = swf_NextTag(t);
+
+ while (t) {
+ if(no_extra_tags || t->id != ST_FILEATTRIBUTES) {
+ if(swf_WriteTag2(writer, t)<0)
+ return -1;
+ }
+ t = t->next;
}
- 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;
+ return original_writer->pos - writer_lastpos;
}
return (int)fileSize;
} else {
{
writer_t writer;
int len = 0;
- swf->compressed = 0;
if(handle<0) {
writer_init_nullwriter(&writer);
return len;
}
-int swf_WriteSWC(int handle, SWF * swf) // Writes SWF to file, returns length or <0 if fails
-{
- 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(writer_t*writer,SWF * swf)
{
SWF myswf;
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;
// 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"