X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswfshape.c;h=cbc138939572dcca53cca3f8e64fbc27f6d81b50;hb=c9547ee5f58fc8b95db19b3a0c70b095dbc8d987;hp=9753dfc97efc530f825b4f58aea78d23181447e7;hpb=11dcb2a596c5121205e8a7729d986edc9e919041;p=swftools.git diff --git a/lib/modules/swfshape.c b/lib/modules/swfshape.c index 9753dfc..cbc1389 100644 --- a/lib/modules/swfshape.c +++ b/lib/modules/swfshape.c @@ -27,15 +27,11 @@ #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) free(s->linestyle.data); s->linestyle.data = NULL; s->linestyle.n = 0; if (s->fillstyle.data) free(s->fillstyle.data); @@ -43,16 +39,17 @@ void swf_ShapeFree(SHAPE * s) s->fillstyle.n = 0; if (s->data) free(s->data); s->data = NULL; - } - free(s); + 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 *)malloc(sizeof(SHAPE)); + *s = sh; + memset(sh,0,sizeof(SHAPE)); + return 0; } int swf_GetSimpleShape(TAG * t,SHAPE * * s) // without Linestyle/Fillstyle Record @@ -169,8 +166,6 @@ int swf_SetFillStyle(TAG * t,FILLSTYLE * f) { 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); @@ -293,7 +288,7 @@ int swf_ShapeAddFillStyle(SHAPE * s,U8 type,MATRIX * m,RGBA * color,U16 id_bitma 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; @@ -412,71 +407,73 @@ int swf_ShapeSetEnd(TAG * t) } 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; - if(b-2 >= 16) { - fprintf(stderr, "Bit overflow in swf_ShapeSetLine(1)- %d\n", b); - fflush(stdout); - b = 17; + if(b >= 18) { + if(b >= 18 + 4) { + /* do not split into more than 16 segments. If the line is *that* long, something's broken */ + fprintf(stderr, "Warning: Line to %.2f,%.2f is too long", (double)x,(double)y); + 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; + } } - 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 = swf_CountBits(y,2); - if(b<2) - 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 = swf_CountBits(x,2); - if(b<2) - b=2; - if(b-2 >= 16) { - fprintf(stderr, "Bit overflow in swf_ShapeSetLine(3)- %d\n", b); - b = 17; + 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); } - swf_SetBits(t, b-2, 4); - swf_SetBits(t,0,2); - swf_SetBits(t,x,b); - } - return 0; + return 0; } int swf_ShapeSetCurve(TAG * t,SHAPE * s,S32 x,S32 y,S32 ax,S32 ay) -{ U8 b; - if (!t) return -1; +{ + U8 b; + if (!t) return -1; - swf_SetBits(t,2,2); - - 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); + b = 17; + } - 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)