U8 swf_GetU8(TAG * t)
{ swf_ResetReadBits(t);
#ifdef DEBUG_RFXSWF
- if (t->pos>=t->len)
+ if ((int)t->pos>=(int)t->len)
{ fprintf(stderr,"GetU8() out of bounds: TagID = %i\n",t->id);
return 0;
}
{ U16 res;
swf_ResetReadBits(t);
#ifdef DEBUG_RFXSWF
- if (t->pos>(t->len-2))
+ if ((int)t->pos>((int)t->len-2))
{ fprintf(stderr,"GetU16() out of bounds: TagID = %i\n",t->id);
return 0;
}
{ U32 res;
swf_ResetReadBits(t);
#ifdef DEBUG_RFXSWF
- if (t->pos>(t->len-4))
+ if ((int)t->pos>((int)t->len-4))
{ fprintf(stderr,"GetU32() out of bounds: TagID = %i\n",t->id);
return 0;
}
void swf_SetS16(TAG * t,int v)
{
if(v>32767 || v<-32768) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr, "Warning: S16 overflow: %d\n", v);
+ #endif
}
swf_SetU16(t, (S16)v);
}
swf_SetBlock(tag, (void*)str, l);
return len;
}
+float swf_GetF16(TAG * t)
+{
+ // D16 is 1-5-10
+ // D32 is 1-8-23
+ U16 f1 = swf_GetU16(t);
+ if(!f1) return 0;
+ U32 f2 = (f1&0x8000)<<16; //sign
+ f2 |= ((f1&0x7c00)<<13)+(0x40000000-(0x4000<<13)); //exp
+ f2 |= (f1&0x03ff)<<13; //mantissa
+ return *(float*)&f2;
+}
+void swf_SetF16(TAG * t, float f)
+{
+ U32 f1 = *(U32*)&f;
+ U16 f2 = (f1>>16)&0x8000;
+ int exp = ((f1>>23)&0xff)-0x80+0x10;
+ if(exp<0) {
+ exp = 0;
+ fprintf(stderr, "Exponent underflow in FLOAT16 encoding\n");
+ } else if(exp>=32) {
+ exp = 31;
+ fprintf(stderr, "Exponent overflow in FLOAT16 encoding\n");
+ }
+ f2 |= exp<<10;
+ f2 |= (f1>>13)&0x3ff;
+ swf_SetU16(t, f2);
+}
+
double swf_GetD64(TAG*tag)
{
/* FIXME: this is not big-endian compatible */
nbits = swf_CountBits(r->ymin,nbits);
nbits = swf_CountBits(r->ymax,nbits);
if(nbits>=32) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr, "rfxswf: Warning: num_bits overflow in swf_SetRect\n");
+ #endif
nbits=31;
}
nbits = swf_CountBits(m->sy,nbits);
if(nbits>=32) {
/* TODO: happens on AMD64 systems for normal values? */
+ #ifdef DEBUG_RFXSWF
fprintf(stderr,"rfxswf: Error: matrix values too large\n");
+ #endif
nbits = 31;
}
swf_SetBits(t,nbits,5);
nbits = swf_CountBits(m->r0,0);
nbits = swf_CountBits(m->r1,nbits);
if(nbits>=32) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr,"rfxswf: Error: matrix values too large\n");
+ #endif
nbits = 31;
}
swf_SetBits(t,nbits,5);
nbits = swf_CountBits(m->tx,0);
nbits = swf_CountBits(m->ty,nbits);
if(nbits>=32) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr,"rfxswf: Error: matrix values too large\n");
+ #endif
nbits = 31;
}
swf_SetBits(t,nbits,5);
md5string = crypt_md5(password, salt);
swf_SetU16(t,0);
- swf_SetString(t, (U8*)md5string);
+ swf_SetString(t, md5string);
}
void swf_SetString(TAG*t, const char* s)
if(!s) {
swf_SetU8(t, 0);
} else {
- swf_SetBlock(t,s,strlen(s)+1);
+ swf_SetBlock(t,(U8*)s,strlen(s)+1);
}
}
{ t->data = (U8*)rfx_alloc(t->len);
t->memsize = t->len;
if (reader->read(reader, t->data, t->len) != t->len) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr, "rfxswf: Warning: Short read (tagid %d). File truncated?\n", t->id);
+ #endif
free(t->data);t->data=0;
free(t);
return NULL;
if(t->id!=ST_DEFINESPRITE)
return;
if(!t->len) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr, "Error: Sprite has no ID!");
+ #endif
return;
}
if(t->len>4) {
}
swf_DeleteTag(0, fileattrib);
} else {
- if(swf_WriteTag2(writer, has_fileattributes)<0)
- return -1;
+ if(swf->fileAttributes) {
+ /* if we're writing a file out again where we might have possible
+ modified the fileattributes in the header, adjust the tag data */
+ TAG*tt = swf_CopyTag(0,has_fileattributes);
+ U32 flags = swf_GetU32(tt) | swf->fileAttributes;
+ swf_ResetTag(tt, tt->id);
+ swf_SetU32(tt, flags);
+ if(swf_WriteTag2(writer, has_fileattributes)<0) return -1;
+ swf_DeleteTag(0, tt);
+ } else {
+ if(swf_WriteTag2(writer, has_fileattributes)<0)
+ return -1;
+ }
}
if(0 && !has_scenedescription) {
TAG*scene = swf_InsertTag(0, ST_SCENEDESCRIPTION);
swf_SetU16(scene, 1);
- swf_SetString(scene, (U8*)"Scene 1");
+ swf_SetString(scene, "Scene 1");
swf_SetU8(scene, 0);
if(writer) {
if(swf_WriteTag2(writer, scene)<0)