Copyright (c) 2001 Rainer Böhme <rfxswf@reflex-studio.de>
- This file is distributed under the GPL, see file COPYING for details
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-*/
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#include "../rfxswf.h"
#define SF_MOVETO 0x01
#define SF_FILL0 0x02
#define SF_LINE 0x08
#define SF_NEWSTYLE 0x10
-#define FILL_SOLID 0x00
-#define FILL_LINEAR 0x10 // Gradient
-#define FILL_RADIAL 0x12
-#define FILL_TILED 0x40 // Bitmap
-#define FILL_CLIPPED 0x41
-
void swf_ShapeFree(SHAPE * s)
-{ if (s)
- { if (s->linestyle.data) free(s->linestyle.data);
+{
+ if(!s)
+ return;
+ if (s->linestyle.data) rfx_free(s->linestyle.data);
s->linestyle.data = NULL;
s->linestyle.n = 0;
- if (s->fillstyle.data) free(s->fillstyle.data);
+ if (s->fillstyle.data) rfx_free(s->fillstyle.data);
s->fillstyle.data = NULL;
s->fillstyle.n = 0;
- if (s->data) free(s->data);
+ if (s->data) rfx_free(s->data);
s->data = NULL;
- }
- free(s);
+ rfx_free(s);
}
int swf_ShapeNew(SHAPE * * s)
-{ SHAPE * sh;
- if (!s) return -1;
- sh = (SHAPE *)malloc(sizeof(SHAPE)); s[0] = sh;
- if (sh) memset(sh,0x00,sizeof(SHAPE));
- return sh?0:-1;
+{
+ SHAPE * sh;
+ if (!s) return -1;
+ sh = (SHAPE *)rfx_calloc(sizeof(SHAPE));
+ *s = sh;
+ return 0;
}
int swf_GetSimpleShape(TAG * t,SHAPE * * s) // without Linestyle/Fillstyle Record
swf_SetTagPos(t,pos);
len = (bitl+7)/8;
- if (sh->data) free(sh->data);
- sh->data = (U8*)malloc(len);
+ if (sh->data) rfx_free(sh->data);
+ sh->data = (U8*)rfx_alloc(len);
if (sh->data)
{ sh->bitlen = bitl;
{ if ((!t)||(!f)) return -1;
swf_SetU8(t,f->type);
- // no gradients yet!
-
switch (f->type)
{ case FILL_SOLID:
if (swf_GetTagID(t)!=ST_DEFINESHAPE3) swf_SetRGB(t,&f->color);
swf_SetU16(t,f->id_bitmap);
swf_SetMatrix(t,&f->m);
break;
+ case FILL_LINEAR:
+ case FILL_RADIAL:
+ swf_SetMatrix(t,&f->m);
+ swf_SetGradient(t,&f->gradient,/*alpha?*/t->id==ST_DEFINESHAPE3?1:0);
+ break;
}
return 0;
return 3;
}
else
- { swf_SetU8(t,n);
+ { swf_SetU8(t,(U8)n);
return 1;
}
}
int swf_ShapeCountBits(SHAPE * s,U8 * fbits,U8 * lbits)
{ if (!s) return -1;
-
- s->bits.fill = swf_CountBits(s->fillstyle.n,0);
- s->bits.line = swf_CountBits(s->linestyle.n,0);
-
+ s->bits.fill = swf_CountUBits(s->fillstyle.n, 0);
+ s->bits.line = swf_CountUBits(s->linestyle.n, 0);
if (fbits) fbits[0] = s->bits.fill;
if (lbits) lbits[0] = s->bits.line;
-
return 0;
}
return res;
}
-int swf_ShapeExport(int handle,SHAPE * s) // without Linestyle/Fillstyle Record
-{ int l;
- if (!s) return 0;
-
- l = sizeof(SHAPE);
-
- if (handle>=0)
- if (write(handle,s,sizeof(SHAPE))!=sizeof(SHAPE)) return -1;
-
- // Fillstyle, Linestyle ...
-
- if (s->data)
- { int ll = (s->bitlen+7)/8;
- l+=ll;
- if (handle>=0)
- if (write(handle,s->data,ll)!=ll) return -1;
- }
-
- return l;
-}
-
-int swf_ShapeImport(int handle,SHAPE * * shape)
-{ SHAPE * s;
-
- if (handle<0) return -1;
-
- s = (SHAPE *)malloc(sizeof(SHAPE)); shape[0] = s;
- if (!s) return -1;
-
- if (read(handle,s,sizeof(SHAPE))!=sizeof(SHAPE))
- { shape[0] = NULL;
- free(s);
- return -1;
- }
-
- if (s->data)
- { int ll = (s->bitlen+7)/8;
- s->data = (U8*)malloc(ll);
- if (!s->data)
- { shape[0] = NULL;
- free(s);
- return -1;
- }
- if (read(handle,s->data,ll)!=ll)
- { free(s->data);
- free(s);
- shape[0] = NULL;
- return -1;
- }
- }
-
- return 0;
-}
-
-int swf_ShapeAddFillStyle(SHAPE * s,U8 type,MATRIX * m,RGBA * color,U16 id_bitmap)
+int swf_ShapeAddFillStyle(SHAPE * s,U8 type,MATRIX * m,RGBA * color,U16 id_bitmap, GRADIENT*gradient)
{ RGBA def_c;
MATRIX def_m;
+ GRADIENT def_g;
// handle defaults
{ m = &def_m;
swf_GetMatrix(NULL,m);
}
+ if(!gradient)
+ {
+ gradient = &def_g;
+ swf_GetGradient(NULL, gradient, 1);
+ }
// handle memory
if (s->fillstyle.data)
- { FILLSTYLE * new = (FILLSTYLE *)realloc(s->fillstyle.data,(s->fillstyle.n+1)*sizeof(FILLSTYLE));
- if (!new) return -1;
- s->fillstyle.data = new;
+ { FILLSTYLE * xnew = (FILLSTYLE *)rfx_realloc(s->fillstyle.data,(s->fillstyle.n+1)*sizeof(FILLSTYLE));
+ if (!xnew) return -1;
+ s->fillstyle.data = xnew;
}
else
- { s->fillstyle.data = (FILLSTYLE *)malloc(sizeof(FILLSTYLE));
+ { s->fillstyle.data = (FILLSTYLE *)rfx_alloc(sizeof(FILLSTYLE));
s->fillstyle.n = 0;
if (!s->fillstyle.data) return -1;
}
- // set fillstyle (no gradients yet!)
+ // set fillstyle
s->fillstyle.data[s->fillstyle.n].type = type;
s->fillstyle.data[s->fillstyle.n].id_bitmap = id_bitmap;
memcpy(&s->fillstyle.data[s->fillstyle.n].m,m,sizeof(MATRIX));
memcpy(&s->fillstyle.data[s->fillstyle.n].color,color,sizeof(RGBA));
+ memcpy(&s->fillstyle.data[s->fillstyle.n].gradient,gradient,sizeof(GRADIENT));
return (++s->fillstyle.n);
}
+int swf_ShapeAddFillStyle2(SHAPE * s,FILLSTYLE*fs)
+{
+ return swf_ShapeAddFillStyle(s, fs->type, &fs->m, &fs->color, fs->id_bitmap, &fs->gradient);
+}
int swf_ShapeAddSolidFillStyle(SHAPE * s,RGBA * color)
-{ return swf_ShapeAddFillStyle(s,FILL_SOLID,NULL,color,0);
+{ return swf_ShapeAddFillStyle(s,FILL_SOLID,NULL,color,0,0);
}
int swf_ShapeAddBitmapFillStyle(SHAPE * s,MATRIX * m,U16 id_bitmap,int clip)
-{ return swf_ShapeAddFillStyle(s,clip?FILL_CLIPPED:FILL_TILED,m,NULL,id_bitmap);
+{ return swf_ShapeAddFillStyle(s,clip?FILL_CLIPPED:FILL_TILED,m,NULL,id_bitmap,0);
+}
+
+int swf_ShapeAddGradientFillStyle(SHAPE * s,MATRIX * m,GRADIENT* gradient,int radial)
+{ return swf_ShapeAddFillStyle(s,radial?FILL_RADIAL:FILL_LINEAR,m,NULL,0,gradient);
}
int swf_ShapeAddLineStyle(SHAPE * s,U16 width,RGBA * color)
def.r = def.g = def.b = 0;
}
if (s->linestyle.data)
- { LINESTYLE * new = (LINESTYLE *)realloc(s->linestyle.data,(s->linestyle.n+1)*sizeof(LINESTYLE));
- if (!new) return -1;
- s->linestyle.data = new;
+ { LINESTYLE * xnew = (LINESTYLE *)rfx_realloc(s->linestyle.data,(s->linestyle.n+1)*sizeof(LINESTYLE));
+ if (!xnew) return -1;
+ s->linestyle.data = xnew;
}
else
- { s->linestyle.data = (LINESTYLE *)malloc(sizeof(LINESTYLE));
+ { s->linestyle.data = (LINESTYLE *)rfx_alloc(sizeof(LINESTYLE));
s->linestyle.n = 0;
if (!s->linestyle.data) return -1;
}
b = swf_CountBits(x,0);
b = swf_CountBits(y,b);
-
+
+ if(b>31) {
+ fprintf(stderr, "Warning: bad moveTo (%f,%f)\n", x/20.0, y/20.0);
+ b=31;
+ }
+
swf_SetBits(t,b,5);
swf_SetBits(t,x,b);
swf_SetBits(t,y,b);
return 0;
}
-int swf_ShapeSetStyle(TAG * t,SHAPE * s,U16 line,U16 fill0,U16 fill1)
+int swf_ShapeSetStyle(TAG * t,SHAPE * s,int line,int fill0,int fill1)
{ if ((!t)||(!s)) return -1;
swf_SetBits(t,0,1);
these defines are a workaround (they also reduce the maximal number of
fill styles to 32768)
*/
-#define FILL_RESET 0x8000
-#define LINE_RESET 0x8000
+#define UNDEFINED_COORD 0x7fffffff
-int swf_ShapeSetAll(TAG * t,SHAPE * s,S32 x,S32 y,U16 line,U16 fill0,U16 fill1)
+int swf_ShapeSetAll(TAG * t,SHAPE * s,S32 x,S32 y,int line,int fill0,int fill1)
{ U8 b;
+ U8 hasmove = 0;
if ((!t)||(!s)) return -1;
+ if(x!=UNDEFINED_COORD || y!=UNDEFINED_COORD)
+ hasmove=1;
+
swf_SetBits(t,0,1);
- swf_SetBits(t,SF_MOVETO|(line?SF_LINE:0)|(fill0?SF_FILL0:0)|(fill1?SF_FILL1:0),5);
+ swf_SetBits(t,(hasmove?SF_MOVETO:0)|(line?SF_LINE:0)|(fill0?SF_FILL0:0)|(fill1?SF_FILL1:0),5);
- b = swf_CountBits(x,0);
- b = swf_CountBits(y,b);
- swf_SetBits(t,b,5);
- swf_SetBits(t,x,b);
- swf_SetBits(t,y,b);
+ if(hasmove) {
+ b = swf_CountBits(x,0);
+ b = swf_CountBits(y,b);
+ swf_SetBits(t,b,5);
+ swf_SetBits(t,x,b);
+ swf_SetBits(t,y,b);
+ }
if (fill0) swf_SetBits(t,fill0,s->bits.fill);
if (fill1) swf_SetBits(t,fill1,s->bits.fill);
}
int swf_ShapeSetLine(TAG * t,SHAPE * s,S32 x,S32 y)
-{ U8 b;
- if (!t) return -1;
- swf_SetBits(t,3,2); // Straight Edge
-
- if ((!s)||((x!=0)&&(y!=0)))
- { b = swf_CountBits(x,2);
+{
+ U8 b;
+ if (!t) return -1;
+
+ b = swf_CountBits(x,2);
b = swf_CountBits(y,b);
if (b<2) b=2;
- swf_SetBits(t, b-2, 4);
- swf_SetBits(t,1,1);
- swf_SetBits(t,x,b);
- swf_SetBits(t,y,b);
- return 0;
- }
+ if(b >= 18) {
+ if(b > 18 + 6) {
+ /* do not split into more than 64 segments. If the line is *that* long, something's broken */
+ fprintf(stderr, "Warning: Line to %.2f,%.2f is too long (%d bits)\n", (double)x,(double)y, b);
+ return -1;
+ } else {
+ /* split line */
+ int x1,y1,x2,y2;
+ if(x>=0) { x1 = x/2;x2 = (x+1)/2;}
+ else { x1 = x/2;x2 = (x-1)/2;}
+ if(y>=0) { y1 = y/2;y2 = (y+1)/2;}
+ else { y1 = y/2;y2 = (y-1)/2;}
+ swf_ShapeSetLine(t, s, x1,y1);
+ swf_ShapeSetLine(t, s, x2,y2);
+ return 0;
+ }
+ }
- if (x==0)
- { b = swf_CountBits(y,2);
- if(b<2)
- b=2;
- swf_SetBits(t, b-2, 4);
- swf_SetBits(t,1,2);
- swf_SetBits(t,y,b);
- }
- else
- { b = swf_CountBits(x,2);
- if(b<2)
- b=2;
- swf_SetBits(t, b-2, 4);
- swf_SetBits(t,0,2);
- swf_SetBits(t,x,b);
- }
- return 0;
+ if(x!=0 && y!=0) { //(!s)||((x!=0)&&(y!=0)))
+ swf_SetBits(t,3,2); // Straight Edge
+ swf_SetBits(t, b-2, 4); //Number of Bits in x/y
+ swf_SetBits(t,1,1); // Diagonal
+ swf_SetBits(t,x,b);
+ swf_SetBits(t,y,b);
+ } else if (x==0) {
+ swf_SetBits(t,3,2); // Straight Edge
+ swf_SetBits(t, b-2, 4); //Number of Bits in y
+ swf_SetBits(t,1,2); // Vertical
+ swf_SetBits(t,y,b);
+ } else {
+ swf_SetBits(t,3,2); // Straight Edge
+ swf_SetBits(t, b-2, 4); //Number of Bits in x
+ swf_SetBits(t,0,2); // Horizontal
+ swf_SetBits(t,x,b);
+ }
+ return 0;
}
int swf_ShapeSetCurve(TAG * t,SHAPE * s,S32 x,S32 y,S32 ax,S32 ay)
-{ U8 b;
- if (!t) return -1;
-
- swf_SetBits(t,2,2);
+{
+ U8 b;
+ if (!t) return -1;
- b = swf_CountBits(ax,2);
- b = swf_CountBits(ay,b);
- b = swf_CountBits(x,b);
- b = swf_CountBits(y,b);
+ b = swf_CountBits(ax,2);
+ b = swf_CountBits(ay,b);
+ b = swf_CountBits(x,b);
+ b = swf_CountBits(y,b);
- swf_SetBits(t,b-2,4);
- swf_SetBits(t,x,b);
- swf_SetBits(t,y,b);
- swf_SetBits(t,ax,b);
- swf_SetBits(t,ay,b);
+ if(b >= 18) {
+ fprintf(stderr, "Bit overflow in swf_ShapeSetCurve- %d (%d,%d,%d,%d)\n", b, ax,ay,x,y);
+ return swf_ShapeSetLine(t, s, x+ax, y+ay);
+ }
- return 0;
+ swf_SetBits(t,2,2);
+ swf_SetBits(t,b-2,4);
+ swf_SetBits(t,x,b);
+ swf_SetBits(t,y,b);
+ swf_SetBits(t,ax,b);
+ swf_SetBits(t,ay,b);
+ return 0;
}
int swf_ShapeSetCircle(TAG * t,SHAPE * s,S32 x,S32 y,S32 rx,S32 ry)
return 0;
}
+void dummycallback1(TAG*tag, int x, void*y)
+{
+}
+
+// from swftools.c:
+void enumerateUsedIDs_styles(TAG * tag, void (*callback)(TAG*, int, void*), void*callback_data, int num, int morph);
+
+static void parseFillStyle(FILLSTYLE*dest, TAG*tag, int num)
+{
+ int type = swf_GetU8(tag); //type
+ dest->type = type;
+ if(type == 0) {
+ /* plain color */
+ if(num >= 3)
+ swf_GetRGBA(tag, &dest->color);
+ else
+ swf_GetRGB(tag, &dest->color);
+ }
+ else if(type == 0x10 || type == 0x11 || type == 0x12 || type == 0x13)
+ {
+ /* linear/radial gradient fill */
+ swf_ResetReadBits(tag);
+ swf_GetMatrix(tag, &dest->m);
+ swf_ResetReadBits(tag);
+ swf_GetGradient(tag, &dest->gradient, num>=3?1:0);
+ if(type == 0x13)
+ swf_GetU16(tag);
+ }
+ else if(type == 0x40 || type == 0x41 || type == 0x42 || type == 0x43)
+ {
+ /* bitmap fill */
+ swf_ResetReadBits(tag);
+ dest->id_bitmap = swf_GetU16(tag); //id
+ swf_ResetReadBits(tag); //?
+ swf_GetMatrix(tag, &dest->m);
+ }
+ else {
+ fprintf(stderr, "rfxswf:swfshape.c Unknown fillstyle:0x%02x in tag %02d\n",type, tag->id);
+ }
+}
+static int parseFillStyleArray(TAG*tag, SHAPE2*shape)
+{
+ U16 count;
+ int t;
+ int num=0;
+ int fillstylestart = shape->numfillstyles;
+ int linestylestart = shape->numlinestyles;
+
+ if(tag->id == ST_DEFINESHAPE)
+ num = 1;
+ else if(tag->id == ST_DEFINESHAPE2)
+ num = 2;
+ else if(tag->id == ST_DEFINESHAPE3)
+ num = 3;
+ else if(tag->id == ST_DEFINESHAPE4)
+ num = 4;
+
+ count = swf_GetU8(tag);
+ if(count == 0xff && num>1) // defineshape2,3 only
+ count = swf_GetU16(tag);
+
+ shape->numfillstyles += count;
+ if(shape->numfillstyles) {
+ shape->fillstyles = (FILLSTYLE*)rfx_realloc(shape->fillstyles, sizeof(FILLSTYLE)*shape->numfillstyles);
+
+ for(t=fillstylestart;t<shape->numfillstyles;t++) {
+ parseFillStyle(&shape->fillstyles[t], tag, num);
+ }
+ }
+
+ swf_ResetReadBits(tag);
+ count = swf_GetU8(tag); // line style array
+ if(count == 0xff)
+ count = swf_GetU16(tag);
+
+ shape->numlinestyles += count;
+ if(count) {
+ shape->linestyles = (LINESTYLE*)rfx_realloc(shape->linestyles, sizeof(LINESTYLE)*shape->numlinestyles);
+ /* TODO: should we start with 1 and insert a correct definition of the
+ "built in" linestyle 0? */
+ for(t=linestylestart;t<shape->numlinestyles;t++)
+ {
+ char fill = 0;
+ shape->linestyles[t].width = swf_GetU16(tag);
+
+ if(num >= 4) {
+ U16 flags = swf_GetU16(tag);
+ if((flags & 0x30) == 0x20)
+ swf_GetU16(tag); // miter limit
+ if(flags & 0x08) {
+ fprintf(stderr, "Warning: Filled strokes parsing not yet fully supported\n");
+ fill = 1;
+ }
+ }
+
+ if(fill) {
+ FILLSTYLE f;
+ parseFillStyle(&f, tag, num);
+ shape->linestyles[t].color = f.color;
+ } else {
+ if(num >= 3)
+ swf_GetRGBA(tag, &shape->linestyles[t].color);
+ else
+ swf_GetRGB(tag, &shape->linestyles[t].color);
+ }
+ }
+ }
+ return 1;
+}
+
+char swf_ShapeIsEmpty(SHAPE*s)
+{
+ if(!s || !s->data) return 1;
+ TAG _tag;
+ TAG* tag = &_tag;
+ memset(tag, 0, sizeof(TAG));
+ tag->data = s->data;
+ tag->len = tag->memsize = (s->bitlen+7)/8;
+ tag->pos = 0;
+
+ while(1) {
+ if(!swf_GetBits(tag, 1)) {
+ U16 flags = swf_GetBits(tag, 5);
+ if(!flags) break;
+ if(flags&1) { //move
+ int n = swf_GetBits(tag, 5);
+ swf_GetSBits(tag, n); //x
+ swf_GetSBits(tag, n); //y
+ }
+ if(flags&2) swf_GetBits(tag, s->bits.fill);
+ if(flags&4) swf_GetBits(tag, s->bits.fill);
+ if(flags&8) swf_GetBits(tag, s->bits.line);
+ if(flags&16) {return 0;}
+ } else {
+ return 0;
+ }
+ }
+ return 1;
+}
+
+/* todo: merge this with swf_GetSimpleShape */
+static SHAPELINE* swf_ParseShapeData(U8*data, int bits, int fillbits, int linebits, int version, SHAPE2*shape2)
+{
+ SHAPELINE _lines;
+ SHAPELINE*lines = &_lines;
+
+ TAG _tag;
+ TAG* tag = &_tag;
+ int fill0 = 0;
+ int fill1 = 0;
+ int line = 0;
+ int x=0,y=0;
+ int linestyleadd=0;
+ int fillstyleadd=0;
+
+ memset(tag, 0, sizeof(TAG));
+ tag->data = data;
+ tag->len = tag->memsize = (bits+7)/8;
+ tag->pos = 0;
+ tag->id = version==1?ST_DEFINESHAPE:(version==2?ST_DEFINESHAPE2:(version==3?ST_DEFINESHAPE3:ST_DEFINESHAPE4));
+
+ lines->next = 0;
+ while(1) {
+ int flags;
+ flags = swf_GetBits(tag, 1);
+ if(!flags) { //style change
+ flags = swf_GetBits(tag, 5);
+ if(!flags)
+ break;
+ if(flags&1) { //move
+ int n = swf_GetBits(tag, 5);
+ x = swf_GetSBits(tag, n); //x
+ y = swf_GetSBits(tag, n); //y
+ }
+ if(flags&2)
+ fill0 = swf_GetBits(tag, fillbits) + fillstyleadd;
+ if(flags&4)
+ fill1 = swf_GetBits(tag, fillbits) + fillstyleadd;
+ if(flags&8)
+ line = swf_GetBits(tag, linebits) + linestyleadd;
+ if(flags&16) {
+ if(!shape2) {
+ fprintf(stderr, "rfxswf: Error: Additional fillstyles not supported\n");fflush(stderr);
+ enumerateUsedIDs_styles(tag, dummycallback1, 0, version, 0);
+ } else {
+ linestyleadd = shape2->numlinestyles;
+ fillstyleadd = shape2->numfillstyles;
+ if(!parseFillStyleArray(tag, shape2))
+ return 0;
+ }
+ fillbits = swf_GetBits(tag, 4);
+ linebits = swf_GetBits(tag, 4);
+ }
+ if(flags&1) { //move
+ lines->next = (SHAPELINE*)rfx_alloc(sizeof(SHAPELINE));
+ lines = lines->next;
+ lines->type = moveTo;
+ lines->x = x;
+ lines->y = y;
+ lines->sx = lines->sy = 0;
+ lines->fillstyle0 = fill0;
+ lines->fillstyle1 = fill1;
+ lines->linestyle = line;
+ lines->next = 0;
+ }
+ } else {
+ flags = swf_GetBits(tag, 1);
+ if(flags) { //straight edge
+ int n = swf_GetBits(tag, 4) + 2;
+ if(swf_GetBits(tag, 1)) { //line flag
+ x += swf_GetSBits(tag, n); //delta x
+ y += swf_GetSBits(tag, n); //delta y
+ } else {
+ int v=swf_GetBits(tag, 1);
+ int d;
+ d = swf_GetSBits(tag, n); //vert/horz
+ if(v) y += d;
+ else x += d;
+ }
+ lines->next = (SHAPELINE*)rfx_alloc(sizeof(SHAPELINE));
+ lines = lines->next;
+ lines->type = lineTo;
+ lines->x = x;
+ lines->y = y;
+ lines->sx = lines->sy = 0;
+ lines->fillstyle0 = fill0;
+ lines->fillstyle1 = fill1;
+ lines->linestyle = line;
+ lines->next = 0;
+ } else { //curved edge
+ int n = swf_GetBits(tag, 4) + 2;
+ int x1,y1;
+ x += swf_GetSBits(tag, n);
+ y += swf_GetSBits(tag, n);
+ x1 = x;
+ y1 = y;
+ x += swf_GetSBits(tag, n);
+ y += swf_GetSBits(tag, n);
+
+ lines->next = (SHAPELINE*)rfx_alloc(sizeof(SHAPELINE));
+ lines = lines->next;
+ lines->type = splineTo;
+ lines->sx = x1;
+ lines->sy = y1;
+ lines->x = x;
+ lines->y = y;
+ lines->fillstyle0 = fill0;
+ lines->fillstyle1 = fill1;
+ lines->linestyle = line;
+ lines->next = 0;
+ }
+ }
+ }
+ return _lines.next;
+}
+
+SRECT swf_GetShapeBoundingBox(SHAPE2*shape2)
+{
+ SRECT r;
+ SHAPELINE*l = shape2->lines;
+ int lastx=0,lasty=0;
+ int valid = 0;
+ r.xmin = r.ymin = SCOORD_MAX;
+ r.xmax = r.ymax = SCOORD_MIN;
+
+ while(l) {
+ int t1;
+ if(l->linestyle>0) {
+ t1 = shape2->linestyles[l->linestyle - 1].width*3/2;
+ } else {
+ t1 = 0;
+ }
+
+ if(l->type == lineTo || l->type == splineTo)
+ {
+ valid = 1;
+ if(lastx - t1 < r.xmin) r.xmin = lastx - t1;
+ if(lasty - t1 < r.ymin) r.ymin = lasty - t1;
+ if(lastx + t1 > r.xmax) r.xmax = lastx + t1;
+ if(lasty + t1 > r.ymax) r.ymax = lasty + t1;
+ if(l->x - t1 < r.xmin) r.xmin = l->x - t1;
+ if(l->y - t1 < r.ymin) r.ymin = l->y - t1;
+ if(l->x + t1 > r.xmax) r.xmax = l->x + t1;
+ if(l->y + t1 > r.ymax) r.ymax = l->y + t1;
+ if(l->type == splineTo) {
+ if(l->sx - t1 < r.xmin) r.xmin = l->sx - t1;
+ if(l->sy - t1 < r.ymin) r.ymin = l->sy - t1;
+ if(l->sx + t1 > r.xmax) r.xmax = l->sx + t1;
+ if(l->sy + t1 > r.ymax) r.ymax = l->sy + t1;
+ }
+ }
+ lastx = l->x;
+ lasty = l->y;
+ l = l->next;
+ }
+ if(!valid) memset(&r, 0, sizeof(SRECT));
+ return r;
+}
+
+void swf_Shape2Free(SHAPE2 * s)
+{
+ SHAPELINE*line = s->lines;
+ s->lines = 0;
+ while(line) {
+ SHAPELINE*next = line->next;
+ line->next = 0;
+ rfx_free(line);
+ line = next;
+ }
+
+ if(s->linestyles) {
+ rfx_free(s->linestyles);
+ s->linestyles = 0;
+ }
+ if(s->fillstyles) {
+ rfx_free(s->fillstyles);
+ s->fillstyles = 0;
+ }
+ if(s->bbox) {
+ rfx_free(s->bbox);
+ s->bbox = 0;
+ }
+}
+
+SHAPE2* swf_Shape2Clone(SHAPE2 * s)
+{
+ SHAPELINE*line = s->lines;
+ SHAPELINE*prev = 0;
+ SHAPE2*s2 = (SHAPE2*)rfx_alloc(sizeof(SHAPE2));
+ memcpy(s2,s,sizeof(SHAPE2));
+ s2->linestyles = (LINESTYLE*)rfx_alloc(sizeof(LINESTYLE)*s->numlinestyles);
+ memcpy(s2->linestyles, s->linestyles, sizeof(LINESTYLE)*s->numlinestyles);
+ s2->fillstyles = (FILLSTYLE*)rfx_alloc(sizeof(FILLSTYLE)*s->numfillstyles);
+ memcpy(s2->fillstyles, s->fillstyles, sizeof(FILLSTYLE)*s->numfillstyles);
+
+ while(line) {
+ SHAPELINE*line2 = (SHAPELINE*)rfx_alloc(sizeof(SHAPELINE));
+ memcpy(line2, line, sizeof(SHAPELINE));
+ line2->next = 0;
+ if(prev)
+ prev->next = line2;
+ else
+ s2->lines = line2;
+ prev = line2;
+ line = line->next;
+ }
+ if(s->bbox) {
+ s2->bbox = (SRECT*)rfx_alloc(sizeof(SRECT));
+ memcpy(s2->bbox, s->bbox, sizeof(SRECT));
+ }
+ return s2;
+}
+
+SHAPE2* swf_ShapeToShape2(SHAPE*shape) {
+
+ SHAPE2*shape2 = (SHAPE2*)rfx_calloc(sizeof(SHAPE2));
+
+ shape2->numlinestyles = shape->linestyle.n;
+ if(shape2->numlinestyles) {
+ shape2->linestyles = (LINESTYLE*)rfx_alloc(sizeof(LINESTYLE)*shape->linestyle.n);
+ memcpy(shape2->linestyles, shape->linestyle.data, sizeof(LINESTYLE)*shape->linestyle.n);
+ }
+
+ shape2->numfillstyles = shape->fillstyle.n;
+ if(shape2->numfillstyles) {
+ shape2->fillstyles = (FILLSTYLE*)rfx_alloc(sizeof(FILLSTYLE)*shape->fillstyle.n);
+ memcpy(shape2->fillstyles, shape->fillstyle.data, sizeof(FILLSTYLE)*shape->fillstyle.n);
+ }
+
+ shape2->lines = swf_ParseShapeData(shape->data, shape->bitlen, shape->bits.fill, shape->bits.line, 1, 0);
+ shape2->bbox = 0;
+ return shape2;
+};
+
+void swf_ShapeSetBitmapRect(TAG*tag, U16 gfxid, int width, int height)
+{
+ SHAPE*shape;
+ MATRIX m;
+ RGBA rgb;
+ SRECT r;
+ int lines = 0;
+ int ls=0,fs;
+ swf_ShapeNew(&shape);
+ rgb.b = rgb.g = rgb.r = 0xff;
+ if(lines)
+ ls = swf_ShapeAddLineStyle(shape,20,&rgb);
+ swf_GetMatrix(NULL,&m);
+ m.sx = 20*65536;
+ m.sy = 20*65536;
+
+ fs = swf_ShapeAddBitmapFillStyle(shape,&m,gfxid,0);
+ r.xmin = 0;
+ r.ymin = 0;
+ r.xmax = width*20;
+ r.ymax = height*20;
+ swf_SetRect(tag,&r);
+
+ swf_SetShapeStyles(tag,shape);
+ swf_ShapeCountBits(shape,NULL,NULL);
+ swf_SetShapeBits(tag,shape);
+
+ swf_ShapeSetAll(tag,shape,0,0,lines?ls:0,fs,0);
+
+ swf_ShapeSetLine(tag,shape,width*20,0);
+ swf_ShapeSetLine(tag,shape,0,height*20);
+ swf_ShapeSetLine(tag,shape,-width*20,0);
+ swf_ShapeSetLine(tag,shape,0,-height*20);
+ swf_ShapeSetEnd(tag);
+ swf_ShapeFree(shape);
+}
+
+void swf_ShapeSetRectangle(TAG*tag, U16 shapeid, int width, int height, RGBA*rgba)
+{
+ RGBA white={255,255,255,255};
+ if(!rgba) {
+ rgba = &white;
+ }
+ SHAPE* s;
+ swf_ShapeNew(&s);
+ int fs = swf_ShapeAddSolidFillStyle(s, rgba);
+ swf_SetU16(tag,shapeid);
+ SRECT r;
+ r.xmin = 0;
+ r.xmax = 0;
+ r.ymin = width;
+ r.ymax = height;
+ swf_SetRect(tag,&r);
+ swf_SetShapeHeader(tag,s);
+ swf_ShapeSetAll(tag,s,0,0,0,fs,0);
+ swf_ShapeSetLine(tag,s,width,0);
+ swf_ShapeSetLine(tag,s,0,height);
+ swf_ShapeSetLine(tag,s,-width,0);
+ swf_ShapeSetLine(tag,s,0,-height);
+ swf_ShapeSetEnd(tag);
+ swf_ShapeFree(s);
+}
+
+void swf_ShapeSetRectangleWithBorder(TAG*tag, U16 shapeid, int width, int height, RGBA*rgba, int linewidth, RGBA*linecolor)
+{
+ RGBA white={255,255,255,255};
+ if(!rgba) {
+ rgba = &white;
+ }
+ SHAPE* s;
+ swf_ShapeNew(&s);
+ int fs = swf_ShapeAddSolidFillStyle(s, rgba);
+ int ls = swf_ShapeAddLineStyle(s, linewidth, linecolor);
+ swf_SetU16(tag,shapeid);
+ SRECT r;
+ r.xmin = 0;
+ r.xmax = 0;
+ r.ymin = width;
+ r.ymax = height;
+ swf_SetRect(tag,&r);
+ swf_SetShapeHeader(tag,s);
+ swf_ShapeSetAll(tag,s,0,0,ls,fs,0);
+ swf_ShapeSetLine(tag,s,width,0);
+ swf_ShapeSetLine(tag,s,0,height);
+ swf_ShapeSetLine(tag,s,-width,0);
+ swf_ShapeSetLine(tag,s,0,-height);
+ swf_ShapeSetEnd(tag);
+ swf_ShapeFree(s);
+}
+
+void swf_Shape2ToShape(SHAPE2*shape2, SHAPE*shape)
+{
+ TAG*tag = swf_InsertTag(0,0);
+ SHAPELINE*l;
+ int newx=0,newy=0,lastx=0,lasty=0,oldls=0,oldfs0=0,oldfs1=0;
+
+ memset(shape, 0, sizeof(SHAPE));
+
+ shape->linestyle.n = shape2->numlinestyles;
+ shape->linestyle.data = (LINESTYLE*)rfx_alloc(sizeof(LINESTYLE)*shape->linestyle.n);
+ memcpy(shape->linestyle.data, shape2->linestyles, sizeof(LINESTYLE)*shape->linestyle.n);
+
+ shape->fillstyle.n = shape2->numfillstyles;
+ shape->fillstyle.data = (FILLSTYLE*)rfx_alloc(sizeof(FILLSTYLE)*shape->fillstyle.n);
+ memcpy(shape->fillstyle.data, shape2->fillstyles, sizeof(FILLSTYLE)*shape->fillstyle.n);
+
+ swf_ShapeCountBits(shape,NULL,NULL);
+
+ l = shape2->lines;
+
+ while(l) {
+ int ls=0,fs0=0,fs1=0;
+
+ if(l->type != moveTo) {
+ if(oldls != l->linestyle) {oldls = ls = l->linestyle;if(!ls) ls=0x8000;}
+ if(oldfs0 != l->fillstyle0) {oldfs0 = fs0 = l->fillstyle0;if(!fs0) fs0=0x8000;}
+ if(oldfs1 != l->fillstyle1) {oldfs1 = fs1 = l->fillstyle1;if(!fs1) fs1=0x8000;}
+
+ if(ls || fs0 || fs1 || newx!=0x7fffffff || newy!=0x7fffffff) {
+ swf_ShapeSetAll(tag,shape,newx,newy,ls,fs0,fs1);
+ newx = 0x7fffffff;
+ newy = 0x7fffffff;
+ }
+ }
+
+ if(l->type == lineTo) {
+ swf_ShapeSetLine(tag,shape,l->x-lastx,l->y-lasty);
+ } else if(l->type == splineTo) {
+ swf_ShapeSetCurve(tag,shape, l->sx-lastx,l->sy-lasty, l->x-l->sx,l->y-l->sy);
+ }
+ if(l->type == moveTo) {
+ newx = l->x;
+ newy = l->y;
+ }
+
+ lastx = l->x;
+ lasty = l->y;
+ l = l->next;
+ }
+ swf_ShapeSetEnd(tag);
+ shape->data = tag->data;
+ shape->bitlen = tag->len*8;
+ free(tag);
+}
+
+void swf_SetShape2(TAG*tag, SHAPE2*shape2)
+{
+ SHAPE shape;
+ swf_Shape2ToShape(shape2, &shape);
+
+ swf_SetRect(tag,shape2->bbox);
+ swf_SetShapeStyles(tag, &shape);
+ //swf_ShapeCountBits(&shape,NULL,NULL); // done in swf_Shape2ToShape()
+ swf_SetShapeBits(tag,&shape);
+
+ swf_SetBlock(tag, shape.data, (shape.bitlen+7)/8);
+}
+
+void swf_ParseDefineShape(TAG*tag, SHAPE2*shape)
+{
+ int num = 0, id;
+ U16 fill,line;
+ SHAPELINE*l;
+ if(tag->id == ST_DEFINESHAPE)
+ num = 1;
+ else if(tag->id == ST_DEFINESHAPE2)
+ num = 2;
+ else if(tag->id == ST_DEFINESHAPE3)
+ num = 3;
+ else if(tag->id == ST_DEFINESHAPE4)
+ num = 4;
+ else {
+ fprintf(stderr, "parseDefineShape must be called with a shape tag");
+ }
+ swf_SetTagPos(tag, 0);
+
+ id = swf_GetU16(tag); //id
+ memset(shape, 0, sizeof(SHAPE2));
+ shape->bbox = (SRECT*)rfx_alloc(sizeof(SRECT));
+ swf_GetRect(tag, shape->bbox);
+ if(num>=4) {
+ SRECT r2;
+ swf_ResetReadBits(tag);
+ swf_GetRect(tag, &r2); // edge bounds
+ U8 flags = swf_GetU8(tag); // flags, &1: contains scaling stroke, &2: contains non-scaling stroke
+ }
+
+ if(!parseFillStyleArray(tag, shape)) {
+ return;
+ }
+
+ swf_ResetReadBits(tag);
+ fill = (U16)swf_GetBits(tag,4);
+ line = (U16)swf_GetBits(tag,4);
+ if(!fill && !line) {
+ fprintf(stderr, "fill/line bits are both zero\n");
+ }
+
+ shape->lines = swf_ParseShapeData(&tag->data[tag->pos], (tag->len - tag->pos)*8, fill, line, num, shape);
+
+ l = shape->lines;
+}
+
+static void free_lines(SHAPELINE* lines)
+{
+ if (lines->next)
+ free_lines(lines->next);
+ free(lines);
+}
+
+void swf_RecodeShapeData(U8*data, int bitlen, int in_bits_fill, int in_bits_line,
+ U8**destdata, U32*destbitlen, int out_bits_fill, int out_bits_line)
+{
+ SHAPE2 s2;
+ SHAPE s;
+ SHAPELINE*line;
+ memset(&s2, 0, sizeof(s2));
+ s2.lines = swf_ParseShapeData(data, bitlen, in_bits_fill, in_bits_line, 1, 0);
+ s2.numfillstyles = out_bits_fill?1<<(out_bits_fill-1):0;
+ s2.numlinestyles = out_bits_line?1<<(out_bits_line-1):0;
+ s2.fillstyles = (FILLSTYLE*)rfx_calloc(sizeof(FILLSTYLE)*s2.numfillstyles);
+ s2.linestyles = (LINESTYLE*)rfx_calloc(sizeof(LINESTYLE)*s2.numlinestyles);
+
+ line = s2.lines;
+ while(line) {
+ if(line->fillstyle0 > s2.numfillstyles) line->fillstyle0 = 0;
+ if(line->fillstyle1 > s2.numfillstyles) line->fillstyle1 = 0;
+ if(line->linestyle > s2.numlinestyles) line->linestyle = 0;
+ line = line->next;
+ }
+
+ swf_Shape2ToShape(&s2,&s);
+
+ free_lines(s2.lines);
+ free(s2.fillstyles);
+ free(s2.linestyles);
+ free(s.fillstyle.data);
+ free(s.linestyle.data);
+ *destdata = s.data;
+ *destbitlen = s.bitlen;
+}
+
git.asbjorn.biz / swftools.git / blobdiff