// Matrix & Math tools for SWF files
+#include "../rfxswf.h"
+
#define S64 long long
SFIXED RFXSWF_SP(SFIXED a1,SFIXED a2,SFIXED b1,SFIXED b2)
{ S64 a = ((S64)a1*(S64)b1+(S64)a2*(S64)b2)>>16;
SFIXED result = (SFIXED)(a);
if(a!=result)
- fprintf(stderr, "Warning: overflow in matrix multiplication");
+ fprintf(stderr, "Warning: overflow in matrix multiplication\n");
return result;
}
SFIXED RFXSWF_QFIX(int zaehler,int nenner) // bildet Quotient von zwei INTs in SFIXED
case ST_DEFINEFONTALIGNZONES: //pseudodefine
case ST_DEFINEFONTNAME: //pseudodefine
case ST_DEFINETEXT:
+ case ST_DEFINEBINARY:
case ST_DEFINETEXT2:
case ST_DEFINESOUND:
case ST_DEFINESPRITE:
#define DEBUG_ENUMERATE if(0)
//#define DEBUG_ENUMERATE
+void enumerateUsedIDs_fillstyle(TAG * tag, int t, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph)
+{
+ int type;
+ type = swf_GetU8(tag); //type
+ DEBUG_ENUMERATE printf("fill style %d) type=%02x (tagpos=%d)\n", t, type, tag->pos);
+ if(type == 0) {
+ RGBA color;
+ if(num >= 3)
+ {swf_GetRGBA(tag, &color);if(morph) swf_GetRGBA(tag, NULL);}
+ else
+ {swf_GetRGB(tag, &color);if(morph) swf_GetRGB(tag, NULL);}
+ DEBUG_ENUMERATE printf(" %02x%02x%02x%02x\n", color.r,color.g,color.b,color.a);
+ }
+ else if(type == 0x10 || type == 0x12 || type == 0x13)
+ {
+ swf_ResetReadBits(tag);
+ MATRIX m;
+ swf_GetMatrix(tag, &m);
+ DEBUG_ENUMERATE swf_DumpMatrix(stdout, &m);
+ if(morph) {
+ swf_GetMatrix(tag, &m);
+ DEBUG_ENUMERATE swf_DumpMatrix(stdout, &m);
+ }
+ swf_ResetReadBits(tag);
+ if(morph) {
+ swf_GetMorphGradient(tag, NULL, NULL);
+ if(type == 0x13) {
+ swf_GetU16(tag);
+ swf_GetU16(tag);
+ }
+ } else {
+ GRADIENT g;
+ swf_GetGradient(tag, &g, /*alpha*/ num>=3?1:0);
+ DEBUG_ENUMERATE swf_DumpGradient(stdout, &g);
+ if(type == 0x13)
+ swf_GetU16(tag);
+ }
+ }
+ else if(type == 0x40 || type == 0x41 || type == 0x42 || type == 0x43)
+ {
+ swf_ResetReadBits(tag);
+ if(tag->data[tag->pos] != 0xff ||
+ tag->data[tag->pos+1] != 0xff)
+ (callback)(tag, tag->pos, callback_data);
+
+ swf_GetU16(tag);
+ swf_ResetReadBits(tag);
+ swf_GetMatrix(tag, NULL);
+ if(morph)
+ swf_GetMatrix(tag, NULL);
+ }
+ else {
+ fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x in tag %02d\n",type, tag->id);
+ }
+}
+
+void enumerateUsedIDs_linestyle(TAG * tag, int t, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph)
+{
+ U16 width;
+ RGBA color;
+ width = swf_GetU16(tag);
+ char fill=0;
+ if(morph)
+ swf_GetU16(tag);
+ if(num >= 4) {
+ U16 flags = swf_GetU16(tag);
+ DEBUG_ENUMERATE printf("line style %d) flags: %08x\n", t, flags);
+ if((flags & 0x30) == 0x20) {
+ U16 miter = swf_GetU16(tag); // miter limit
+ DEBUG_ENUMERATE printf("line style %d) miter join: %08x\n", t, miter);
+ }
+ if(flags & 0x08) {
+ fill = 1;
+ }
+ }
+ if(!fill) {
+ if(num >= 3)
+ {swf_GetRGBA(tag, &color);if(morph) swf_GetRGBA(tag, NULL);}
+ else
+ {swf_GetRGB(tag, &color);if(morph) swf_GetRGB(tag, NULL);}
+ } else {
+ enumerateUsedIDs_fillstyle(tag, t, callback, callback_data, num, morph);
+ }
+ DEBUG_ENUMERATE printf("line style %d) width=%.2f color=%02x%02x%02x%02x \n", t, width/20.0, color.r,color.g,color.b,color.a);
+}
+
void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph)
{
U16 count;
DEBUG_ENUMERATE printf("%d fill styles\n", count);
for(t=0;t<count;t++)
{
- int type;
- type = swf_GetU8(tag); //type
- DEBUG_ENUMERATE printf("fill style %d) %02x (tagpos=%d)\n", t, type, tag->pos);
- if(type == 0) {
- if(num >= 3)
- {swf_GetRGBA(tag, NULL);if(morph) swf_GetRGBA(tag, NULL);}
- else
- {swf_GetRGB(tag, NULL);if(morph) swf_GetRGB(tag, NULL);}
- }
- else if(type == 0x10 || type == 0x12 || type == 0x13)
- {
- swf_ResetReadBits(tag);
- MATRIX m;
- swf_GetMatrix(tag, &m);
- DEBUG_ENUMERATE swf_DumpMatrix(stdout, &m);
- if(morph)
- swf_GetMatrix(tag, NULL);
- swf_ResetReadBits(tag);
- if(morph)
- swf_GetMorphGradient(tag, NULL, NULL);
- else {
- GRADIENT g;
- swf_GetGradient(tag, &g, /*alpha*/ num>=3?1:0);
- DEBUG_ENUMERATE swf_DumpGradient(stdout, &g);
- if(type == 0x13)
- swf_GetU16(tag);
- }
- }
- else if(type == 0x40 || type == 0x41 || type == 0x42 || type == 0x43)
- {
- swf_ResetReadBits(tag);
- if(tag->data[tag->pos] != 0xff ||
- tag->data[tag->pos+1] != 0xff)
- (callback)(tag, tag->pos, callback_data);
-
- swf_GetU16(tag);
- swf_ResetReadBits(tag);
- swf_GetMatrix(tag, NULL);
- if(morph)
- swf_GetMatrix(tag, NULL);
- }
- else {
- fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x in tag %02x\n",type, tag->id);
- }
+ enumerateUsedIDs_fillstyle(tag, t, callback, callback_data, num, morph);
}
swf_ResetReadBits(tag);
count = swf_GetU8(tag); // line style array
DEBUG_ENUMERATE printf("%d line styles\n", count);
for(t=0;t<count;t++)
{
- U16 width;
- RGBA color;
- width = swf_GetU16(tag);
- if(morph)
- swf_GetU16(tag);
- if(num >= 4) {
- U16 flags = swf_GetU16(tag);
- if(flags & 0x2000)
- swf_GetU16(tag); // miter limit
- if(flags & 0x0800) {
- fprintf(stderr, "Filled strokes parsing not yet supported\n");
- }
- }
- if(num >= 3)
- {swf_GetRGBA(tag, &color);if(morph) swf_GetRGBA(tag, NULL);}
- else
- {swf_GetRGB(tag, &color);if(morph) swf_GetRGB(tag, NULL);}
- DEBUG_ENUMERATE printf("line style %d: %02x%02x%02x%02x \n", t, color.r,color.g,color.b,color.a);
+ enumerateUsedIDs_linestyle(tag, t, callback, callback_data, num, morph);
}
}
}
} break;
+ case ST_DOABC:
+ case ST_RAWABC:
+ break;
+
case ST_FREECHARACTER: /* unusual tags, which all start with an ID */
case ST_NAMECHARACTER:
case ST_DEFINEBINARY:
/* I never saw recursive sprites, but they are (theoretically)
possible, so better add base here again */
enumerateUsedIDs(tag2, tag->pos + base, callback, callback_data);
- swf_DeleteTag(tag2);
+ swf_DeleteTag(0, tag2);
swf_GetBlock(tag, NULL, len);
}
}
}
while(1)
{
- if(!swf_GetU8(tag)) //flags
+ U8 flags = swf_GetU8(tag);
+ if(!flags) //flags
break;
callback(tag, tag->pos + base, callback_data);
swf_GetU16(tag); //char
swf_ResetReadBits(tag);
swf_GetCXForm(tag, NULL, 1);
}
+ if(flags&0x10) {
+ U8 num = swf_GetU8(tag);
+ int t;
+ for(t=0;t<num;t++) {
+ swf_DeleteFilter(swf_GetFilter(tag));
+ }
+ }
+ if(flags&0x20) {
+ U8 blendmode = swf_GetU8(tag);
+ }
}
// ...
}
linebits = swf_GetBits(tag, 4);
DEBUG_ENUMERATE printf("fillbits=%d linebits=%d\n", fillbits, linebits);
swf_ResetReadBits(tag);
+ int x=0,y=0;
while(1) {
int flags;
flags = swf_GetBits(tag, 1);
break;
if(flags&1) { //move
int n = swf_GetBits(tag, 5);
- int x,y;
x = swf_GetBits(tag, n); //x
y = swf_GetBits(tag, n); //y
- DEBUG_ENUMERATE printf("move %f %f\n",x/20.0,y/20.0);
+ DEBUG_ENUMERATE printf("moveTo %.2f %.2f\n",x/20.0,y/20.0);
}
if(flags&2) { //fill0
int fill0;
if(flags) { //straight edge
int n = swf_GetBits(tag, 4) + 2;
if(swf_GetBits(tag, 1)) { //line flag
- int x,y;
- x = swf_GetSBits(tag, n); //delta x
- y = swf_GetSBits(tag, n); //delta y
- DEBUG_ENUMERATE printf("line %f %f\n",x/20.0,y/20.0);
+ x += swf_GetSBits(tag, n); //delta x
+ y += swf_GetSBits(tag, n); //delta y
+ DEBUG_ENUMERATE printf("lineTo %.2f %.2f\n",x/20.0,y/20.0);
} else {
int v=swf_GetBits(tag, 1);
int d;
d = swf_GetSBits(tag, n); //vert/horz
- DEBUG_ENUMERATE printf("%s %f\n",v?"vertical":"horizontal", d/20.0);
+ if(!v)
+ x += d;
+ else
+ y += d;
+ DEBUG_ENUMERATE printf("lineTo %.2f %.2f (%s)\n",x/20.0,y/20.0, v?"vertical":"horizontal");
}
} else { //curved edge
int n = swf_GetBits(tag, 4) + 2;
y1 = swf_GetSBits(tag, n);
x2 = swf_GetSBits(tag, n);
y2 = swf_GetSBits(tag, n);
- DEBUG_ENUMERATE printf("curve %f %f %f %f\n", x1/20.0, y1/20.0, x2/20.0, y2/20.0);
+ DEBUG_ENUMERATE printf("splineTo %.2f %.2f %.2f %.2f\n", x1/20.0, y1/20.0, x2/20.0, y2/20.0);
}
}
}
enumerateUsedIDs(t, 0, callbackFillin, &ptr);
}
-void swf_Relocate (SWF*swf, char*bitmap)
+char swf_Relocate (SWF*swf, char*bitmap)
{
TAG*tag;
int slaveids[65536];
memset(slaveids, -1, sizeof(slaveids));
tag = swf->firstTag;
+ char ok = 1;
while(tag)
{
int num;
if(!bitmap[id]) { //free
newid = id;
- }
- else {
+ } else {
newid = 0;
for (t=1;t<65536;t++)
{
break;
}
}
+ if(t==65536) {
+ fprintf(stderr, "swf_Relocate: Couldn't relocate: Out of IDs\n");
+ return 0;
+ }
}
bitmap[newid] = 1;
slaveids[id] = newid;
if(slaveids[id]<0) {
fprintf(stderr, "swf_Relocate: Mapping id (%d) never encountered before in %s\n", id,
swf_TagGetName(tag));
+ ok = 0;
} else {
id = slaveids[id];
PUT16(&tag->data[ptr[t]], id);
}
}
+ free(ptr);
}
tag=tag->next;
}
+ return ok;
}
/* untested */
PUT16(&tag->data[ptr[t]], id);
}
}
+ free(ptr);
}
}
}
/* we found two identical tags- remap one
of them */
remap[id] = swf_GetDefineID(tag2);
- swf_DeleteTag(tag);
- if(tag == swf->firstTag)
- swf->firstTag = next;
+ swf_DeleteTag(swf, tag);
}
} else if(swf_isPseudoDefiningTag(tag)) {
int id = swf_GetDefineID(tag);
/* if this tag was remapped, we don't
need the helper tag anymore. Discard
it. */
- swf_DeleteTag(tag);
- if(tag == swf->firstTag)
- swf->firstTag = next;
+ swf_DeleteTag(swf, tag);
}
}