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 */
#define SF_MOVETO 0x01
#define SF_FILL0 0x02
#define FILL_TILED 0x40 // Bitmap
#define FILL_CLIPPED 0x41
-void ShapeFree(SHAPE * s)
+void swf_ShapeFree(SHAPE * s)
{ if (s)
{ if (s->linestyle.data) free(s->linestyle.data);
s->linestyle.data = NULL;
free(s);
}
-int NewShape(SHAPE * * s)
+int swf_ShapeNew(SHAPE * * s)
{ SHAPE * sh;
if (!s) return -1;
sh = (SHAPE *)malloc(sizeof(SHAPE)); s[0] = sh;
return sh?0:-1;
}
-int GetSimpleShape(TAG * t,SHAPE * * s) // without Linestyle/Fillstyle Record
+int swf_GetSimpleShape(TAG * t,SHAPE * * s) // without Linestyle/Fillstyle Record
{ SHAPE * sh;
int bitl, len;
int end;
U32 pos;
- if (FAILED(NewShape(s))) return -1;
+ if (FAILED(swf_ShapeNew(s))) return -1;
sh = s[0];
- ResetBitmask(t);
- sh->bits.fill = (U16)GetBits(t,4);
- sh->bits.line = (U16)GetBits(t,4);
- bitl = 0; end = 0; pos = GetTagPos(t);
+ swf_ResetReadBits(t);
+ sh->bits.fill = (U16)swf_GetBits(t,4);
+ sh->bits.line = (U16)swf_GetBits(t,4);
+ bitl = 0; end = 0; pos = swf_GetTagPos(t);
while (!end)
- { int edge = GetBits(t,1); bitl+=1;
+ { int edge = swf_GetBits(t,1); bitl+=1;
if (edge)
{ bitl+=1;
- if (GetBits(t,1)) // Line
- { U16 nbits = GetBits(t,4)+2;
+ if (swf_GetBits(t,1)) // Line
+ { U16 nbits = swf_GetBits(t,4)+2;
bitl+=5;
- if (GetBits(t,1)) // x/y Line
- { GetBits(t,nbits);
- GetBits(t,nbits);
+ if (swf_GetBits(t,1)) // x/y Line
+ { swf_GetBits(t,nbits);
+ swf_GetBits(t,nbits);
bitl+=nbits*2;
}
else // hline/vline
- { GetBits(t,nbits+1);
+ { swf_GetBits(t,nbits+1);
bitl+=nbits+1;
}
}
else // Curve
- { U16 nbits = GetBits(t,4)+2;
+ { U16 nbits = swf_GetBits(t,4)+2;
bitl+=4;
- GetBits(t,nbits);
- GetBits(t,nbits);
- GetBits(t,nbits);
- GetBits(t,nbits);
+ swf_GetBits(t,nbits);
+ swf_GetBits(t,nbits);
+ swf_GetBits(t,nbits);
+ swf_GetBits(t,nbits);
bitl+=4*nbits;
}
}
else
- { U16 flags = GetBits(t,5); bitl+=5;
+ { U16 flags = swf_GetBits(t,5); bitl+=5;
if (flags)
{
if (flags&SF_MOVETO)
- { U16 nbits = GetBits(t,5); bitl+=5;
- GetBits(t,nbits);
- GetBits(t,nbits);
+ { U16 nbits = swf_GetBits(t,5); bitl+=5;
+ swf_GetBits(t,nbits);
+ swf_GetBits(t,nbits);
bitl+=2*nbits;
}
if (flags&SF_FILL0)
- { GetBits(t,sh->bits.fill);
+ { swf_GetBits(t,sh->bits.fill);
bitl+=sh->bits.fill;
}
if (flags&SF_FILL1)
- { GetBits(t,sh->bits.fill);
+ { swf_GetBits(t,sh->bits.fill);
bitl+=sh->bits.fill;
}
if (flags&SF_LINE)
- { GetBits(t,sh->bits.line);
+ { swf_GetBits(t,sh->bits.line);
bitl+=sh->bits.line;
}
if (flags&SF_NEWSTYLE)
- { fprintf(stderr,"Can't process extended styles in shape.\n");
+ { fprintf(stderr,"RFXSWF: Can't process extended styles in shape.\n");
}
}
else end = 1;
}
}
- SetTagPos(t,pos);
+ swf_SetTagPos(t,pos);
len = (bitl+7)/8;
if (sh->data) free(sh->data);
if (sh->data)
{ sh->bitlen = bitl;
- GetBlock(t,sh->data,len);
+ swf_GetBlock(t,sh->data,len);
}
else return -1;
return len;
}
-int SetSimpleShape(TAG * t,SHAPE * s) // without Linestyle/Fillstyle Record
+int swf_SetSimpleShape(TAG * t,SHAPE * s) // without Linestyle/Fillstyle Record
{ int l;
if (!s) return -1;
l = (s->bitlen+7)/8;
if (t)
- { ResetBitcount(t);
+ { swf_ResetWriteBits(t);
- SetBits(t,s->bits.fill,4);
- SetBits(t,s->bits.line,4);
- SetBlock(t,s->data,l);
+ swf_SetBits(t,s->bits.fill,4);
+ swf_SetBits(t,s->bits.line,4);
+ swf_SetBlock(t,s->data,l);
- ResetBitcount(t);
+ swf_ResetWriteBits(t);
}
return l+1;
}
-int SetFillStyle(TAG * t,FILLSTYLE * f)
+int swf_SetFillStyle(TAG * t,FILLSTYLE * f)
{ if ((!t)||(!f)) return -1;
- SetU8(t,f->type);
+ swf_SetU8(t,f->type);
// no gradients yet!
switch (f->type)
{ case FILL_SOLID:
- if (GetTagID(t)!=ST_DEFINESHAPE3) SetRGB(t,&f->color);
- else SetRGBA(t,&f->color);
+ if (swf_GetTagID(t)!=ST_DEFINESHAPE3) swf_SetRGB(t,&f->color);
+ else swf_SetRGBA(t,&f->color);
break;
case FILL_TILED:
case FILL_CLIPPED:
- SetU16(t,f->id_bitmap);
- SetMatrix(t,&f->m);
+ 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;
}
-int SetLineStyle(TAG * t,LINESTYLE * l)
+int swf_SetLineStyle(TAG * t,LINESTYLE * l)
{ if ((!l)||(!t)) return -1;
- SetU16(t,l->width);
+ swf_SetU16(t,l->width);
- if (GetTagID(t)!=ST_DEFINESHAPE3) SetRGB(t,&l->color);
- else SetRGBA(t,&l->color);
+ if (swf_GetTagID(t)!=ST_DEFINESHAPE3) swf_SetRGB(t,&l->color);
+ else swf_SetRGBA(t,&l->color);
return 0;
}
-int SetShapeStyleCount(TAG * t,U16 n)
+int swf_SetShapeStyleCount(TAG * t,U16 n)
{ if (n>254)
- { SetU8(t,0xff);
- SetU16(t,n);
+ { swf_SetU8(t,0xff);
+ swf_SetU16(t,n);
return 3;
}
else
- { SetU8(t,n);
+ { swf_SetU8(t,n);
return 1;
}
}
-int SetShapeStyles(TAG * t,SHAPE * s)
+int swf_SetShapeStyles(TAG * t,SHAPE * s)
{ int i,l;
if (!s) return -1;
l = 0;
- l += SetShapeStyleCount(t,s->fillstyle.n);
+ l += swf_SetShapeStyleCount(t,s->fillstyle.n);
for (i=0;i<s->fillstyle.n;i++)
- l+=SetFillStyle(t,&s->fillstyle.data[i]);
+ l+=swf_SetFillStyle(t,&s->fillstyle.data[i]);
- l += SetShapeStyleCount(t,s->linestyle.n);
+ l += swf_SetShapeStyleCount(t,s->linestyle.n);
for (i=0;i<s->linestyle.n;i++)
- l+=SetLineStyle(t,&s->linestyle.data[i]);
+ l+=swf_SetLineStyle(t,&s->linestyle.data[i]);
return l;
}
-int ShapeCountBits(SHAPE * s,U8 * fbits,U8 * lbits)
+int swf_ShapeCountBits(SHAPE * s,U8 * fbits,U8 * lbits)
{ if (!s) return -1;
-
- s->bits.fill = CountBits(s->fillstyle.n,0);
- s->bits.line = 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;
}
-int SetShapeBits(TAG * t,SHAPE * s)
+int swf_SetShapeBits(TAG * t,SHAPE * s)
{ if ((!t)||(!s)) return -1;
- ResetBitcount(t);
- SetBits(t,s->bits.fill,4);
- SetBits(t,s->bits.line,4);
+ swf_ResetWriteBits(t);
+ swf_SetBits(t,s->bits.fill,4);
+ swf_SetBits(t,s->bits.line,4);
return 0;
}
-int SetShapeHeader(TAG * t,SHAPE * s)
+int swf_SetShapeHeader(TAG * t,SHAPE * s)
{ int res;
- res = SetShapeStyles(t,s);
- if (res>=0) res = ShapeCountBits(s,NULL,NULL);
- if (res>=0) res = SetShapeBits(t,s);
+ res = swf_SetShapeStyles(t,s);
+ if (res>=0) res = swf_ShapeCountBits(s,NULL,NULL);
+ if (res>=0) res = swf_SetShapeBits(t,s);
return res;
}
-int 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 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 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
}
if (!m)
{ m = &def_m;
- GetMatrix(NULL,m);
+ swf_GetMatrix(NULL,m);
+ }
+ if(!gradient)
+ {
+ gradient = &def_g;
+ swf_GetGradient(NULL, gradient, 1);
}
// handle memory
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 ShapeAddSolidFillStyle(SHAPE * s,RGBA * color)
-{ return ShapeAddFillStyle(s,FILL_SOLID,NULL,color,0);
+int swf_ShapeAddSolidFillStyle(SHAPE * s,RGBA * color)
+{ 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,0);
}
-int ShapeAddBitmapFillStyle(SHAPE * s,MATRIX * m,U16 id_bitmap,int clip)
-{ return ShapeAddFillStyle(s,clip?FILL_CLIPPED:FILL_TILED,m,NULL,id_bitmap);
+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 ShapeAddLineStyle(SHAPE * s,U16 width,RGBA * color)
+int swf_ShapeAddLineStyle(SHAPE * s,U16 width,RGBA * color)
{ RGBA def;
if (!s) return -1;
if (!color)
return (++s->linestyle.n);
}
-int ShapeSetMove(TAG * t,SHAPE * s,S32 x,S32 y)
+int swf_ShapeSetMove(TAG * t,SHAPE * s,S32 x,S32 y)
{ U8 b;
if (!t) return -1;
- SetBits(t,0,1);
- SetBits(t,SF_MOVETO,5);
+ swf_SetBits(t,0,1);
+ swf_SetBits(t,SF_MOVETO,5);
- b = CountBits(x,0);
- b = CountBits(y,b);
+ b = swf_CountBits(x,0);
+ b = swf_CountBits(y,b);
- SetBits(t,b,5);
- SetBits(t,x,b);
- SetBits(t,y,b);
+ swf_SetBits(t,b,5);
+ swf_SetBits(t,x,b);
+ swf_SetBits(t,y,b);
- if (s)
- { s->px = x;
- s->py = y;
- }
return 0;
}
-int 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;
- SetBits(t,0,1);
- SetBits(t,(line?SF_LINE:0)|(fill0?SF_FILL0:0)|(fill1?SF_FILL1:0),5);
+ swf_SetBits(t,0,1);
+ swf_SetBits(t,(line?SF_LINE:0)|(fill0?SF_FILL0:0)|(fill1?SF_FILL1:0),5);
- if (fill0) SetBits(t,fill0,s->bits.fill);
- if (fill1) SetBits(t,fill1,s->bits.fill);
- if (line) SetBits(t,line ,s->bits.line);
+ if (fill0) swf_SetBits(t,fill0,s->bits.fill);
+ if (fill1) swf_SetBits(t,fill1,s->bits.fill);
+ if (line) swf_SetBits(t,line ,s->bits.line);
return 0;
}
these defines are a workaround (they also reduce the maximal number of
fill styles to 32768)
*/
-#define FILL_RESET 0x8000
-#define LINE_RESET 0x8000
-int ShapeSetAll(TAG * t,SHAPE * s,S32 x,S32 y,U16 line,U16 fill0,U16 fill1)
+#define UNDEFINED_COORD 0x7fffffff
+
+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;
- SetBits(t,0,1);
- SetBits(t,SF_MOVETO|(line?SF_LINE:0)|(fill0?SF_FILL0:0)|(fill1?SF_FILL1:0),5);
+ if(x!=UNDEFINED_COORD || y!=UNDEFINED_COORD)
+ hasmove=1;
+
+ swf_SetBits(t,0,1);
+ swf_SetBits(t,(hasmove?SF_MOVETO:0)|(line?SF_LINE:0)|(fill0?SF_FILL0:0)|(fill1?SF_FILL1:0),5);
- b = CountBits(x,0);
- b = CountBits(y,b);
- SetBits(t,b,5);
- SetBits(t,x,b);
- SetBits(t,y,b);
- s->px = x;
- s->py = y;
+ 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) SetBits(t,fill0,s->bits.fill);
- if (fill1) SetBits(t,fill1,s->bits.fill);
- if (line) SetBits(t,line ,s->bits.line);
+ if (fill0) swf_SetBits(t,fill0,s->bits.fill);
+ if (fill1) swf_SetBits(t,fill1,s->bits.fill);
+ if (line) swf_SetBits(t,line ,s->bits.line);
return 0;
}
-int ShapeSetEnd(TAG * t)
+int swf_ShapeSetEnd(TAG * t)
{ if (!t) return -1;
- SetBits(t,0,6);
- ResetBitcount(t);
+ swf_SetBits(t,0,6);
+ swf_ResetWriteBits(t);
return 0;
}
-int ShapeSetLine(TAG * t,SHAPE * s,S32 x,S32 y)
+int swf_ShapeSetLine(TAG * t,SHAPE * s,S32 x,S32 y)
{ U8 b;
if (!t) return -1;
- SetBits(t,3,2); // Straight Edge
+ swf_SetBits(t,3,2); // Straight Edge
if ((!s)||((x!=0)&&(y!=0)))
- { b = CountBits(x,2);
- b = CountBits(y,b);
- if(b<2)
- b=2;
- SetBits(t, b-2, 4);
- SetBits(t,1,1);
- SetBits(t,x,b);
- SetBits(t,y,b);
- if (s)
- { s->px += x;
- s->py += y;
+ { b = swf_CountBits(x,2);
+ b = swf_CountBits(y,b);
+ if (b<2) b=2;
+ if(b-2 >= 16) {
+ fprintf(stderr, "Bit overflow in swf_ShapeSetLine(1)- %d\n", b);
+ fflush(stdout);
+ *(int*)0 = 0xdead;
+ b = 17;
}
+ swf_SetBits(t, b-2, 4);
+ swf_SetBits(t,1,1);
+ swf_SetBits(t,x,b);
+ swf_SetBits(t,y,b);
return 0;
}
if (x==0)
- { b = CountBits(y,2);
+ { b = swf_CountBits(y,2);
if(b<2)
- b=2;
- SetBits(t, b-2, 4);
- SetBits(t,1,2);
- SetBits(t,y,b);
- s->py += y;
- }
+ b=2;
+ if(b-2 >= 16) {
+ fprintf(stderr, "Bit overflow in swf_ShapeSetLine(2)- %d\n", b);
+ b = 17;
+ }
+ swf_SetBits(t, b-2, 4);
+ swf_SetBits(t,1,2);
+ swf_SetBits(t,y,b);
+ }
else
- { b = CountBits(x,2);
+ { b = swf_CountBits(x,2);
if(b<2)
- b=2;
- SetBits(t, b-2, 4);
- SetBits(t,0,2);
- SetBits(t,x,b);
- s->px += x;
+ b=2;
+ if(b-2 >= 16) {
+ fprintf(stderr, "Bit overflow in swf_ShapeSetLine(3)- %d\n", b);
+ b = 17;
+ }
+ swf_SetBits(t, b-2, 4);
+ swf_SetBits(t,0,2);
+ swf_SetBits(t,x,b);
}
return 0;
}
-int ShapeSetCurve(TAG * t,SHAPE * s,S32 x,S32 y,S32 ax,S32 ay)
+int swf_ShapeSetCurve(TAG * t,SHAPE * s,S32 x,S32 y,S32 ax,S32 ay)
{ U8 b;
if (!t) return -1;
- SetBits(t,2,2);
+ swf_SetBits(t,2,2);
- b = CountBits(ax,2);
- b = CountBits(ay,b);
- b = CountBits(x,b);
- b = CountBits(y,b);
+ b = swf_CountBits(ax,2);
+ b = swf_CountBits(ay,b);
+ b = swf_CountBits(x,b);
+ b = swf_CountBits(y,b);
- SetBits(t,b-2,4);
- SetBits(t,x,b);
- SetBits(t,y,b);
- SetBits(t,ax,b);
- SetBits(t,ay,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 (s)
- { s->px += x+ax;
- s->py += y+ay;
- }
return 0;
}
-int ShapeSetCircle(TAG * t,SHAPE * s,S32 x,S32 y,S32 rx,S32 ry)
+int swf_ShapeSetCircle(TAG * t,SHAPE * s,S32 x,S32 y,S32 rx,S32 ry)
{ double C1 = 0.2930;
double C2 = 0.4140;
double begin = 0.7070;
if (!t) return -1;
- ShapeSetMove(t,s,x+begin*rx,y+begin*ry);
- ShapeSetCurve(t,s, -C1*rx, C1*ry, -C2*rx, 0);
- ShapeSetCurve(t,s, -C2*rx, 0, -C1*rx, -C1*ry);
- ShapeSetCurve(t,s, -C1*rx, -C1*ry, 0, -C2*ry);
- ShapeSetCurve(t,s, 0, -C2*ry, C1*rx, -C1*ry);
- ShapeSetCurve(t,s, C1*rx, -C1*ry, C2*rx, 0);
- ShapeSetCurve(t,s, C2*rx, 0, C1*rx, C1*ry);
- ShapeSetCurve(t,s, C1*rx, C1*ry, 0, C2*ry);
- ShapeSetCurve(t,s, 0, C2*ry, -C1*rx, C1*ry);
+ swf_ShapeSetMove(t,s,x+begin*rx,y+begin*ry);
+ swf_ShapeSetCurve(t,s, -C1*rx, C1*ry, -C2*rx, 0);
+ swf_ShapeSetCurve(t,s, -C2*rx, 0, -C1*rx, -C1*ry);
+ swf_ShapeSetCurve(t,s, -C1*rx, -C1*ry, 0, -C2*ry);
+ swf_ShapeSetCurve(t,s, 0, -C2*ry, C1*rx, -C1*ry);
+ swf_ShapeSetCurve(t,s, C1*rx, -C1*ry, C2*rx, 0);
+ swf_ShapeSetCurve(t,s, C2*rx, 0, C1*rx, C1*ry);
+ swf_ShapeSetCurve(t,s, C1*rx, C1*ry, 0, C2*ry);
+ swf_ShapeSetCurve(t,s, 0, C2*ry, -C1*rx, C1*ry);
return 0;
}
+/* todo: merge this with swf_GetSimpleShape */
+SHAPELINE* swf_ParseShapeData(U8*data, int bits, int fillbits, int linebits)
+{
+ SHAPELINE _lines;
+ SHAPELINE*lines = &_lines;
+
+ TAG _tag;
+ TAG* tag = &_tag;
+ int fill0 = 0;
+ int fill1 = 0;
+ int line = 0;
+ int x=0,y=0;
+
+ memset(tag, 0, sizeof(TAG));
+ tag->data = data;
+ tag->len = tag->memsize = (bits+7)/8;
+ tag->pos = 0;
+
+ 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);
+ if(flags&4)
+ fill1 = swf_GetBits(tag, fillbits);
+ if(flags&8)
+ line = swf_GetBits(tag, linebits);
+ if(flags&16) {
+ fprintf(stderr, "Additional file styles style change not yet supported\n");
+ exit(1);
+ //enumerateUsedIDs_styles(tag, callback, callback_data, num);
+ fillbits = swf_GetBits(tag, 4);
+ linebits = swf_GetBits(tag, 4);
+ }
+ if(flags&1) { //move
+ lines->next = (SHAPELINE*)malloc(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*)malloc(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*)malloc(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;
+ while(line) {
+ SHAPELINE*next = line->next;
+ free(line);
+ line = next;
+ }
+ if(s->linestyles)
+ free(s->linestyles);
+ if(s->fillstyles)
+ free(s->fillstyles);
+ if(s->bbox)
+ free(s->bbox);
+}
+
+SHAPE2* swf_ShapeToShape2(SHAPE*shape) {
+
+ SHAPE2*shape2 = (SHAPE2*)malloc(sizeof(SHAPE2));
+
+ shape2->numlinestyles = shape->linestyle.n;
+ shape2->linestyles = (LINESTYLE*)malloc(sizeof(LINESTYLE)*shape->linestyle.n);
+ memcpy(shape2->linestyles, shape->linestyle.data, sizeof(LINESTYLE)*shape->linestyle.n);
+
+ shape2->numfillstyles = shape->fillstyle.n;
+ shape2->fillstyles = (FILLSTYLE*)malloc(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);
+ 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);
+}
+
git.asbjorn.biz / swftools.git / blobdiff