X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=lib%2Fgfxpoly%2Fconvert.c;h=50282b93264dfd4d009007dde53d3ea04ea4098f;hp=f71a096d852cb939178dd235875b77a8c4035a2c;hb=002f2ed7c404339e11d669aa86ec998d8dd473a5;hpb=f5626be739a1e1b61f89d7a389be3c4b5d4d9128 diff --git a/lib/gfxpoly/convert.c b/lib/gfxpoly/convert.c index f71a096..50282b9 100644 --- a/lib/gfxpoly/convert.c +++ b/lib/gfxpoly/convert.c @@ -21,26 +21,30 @@ static inline void gfxpoly_add_edge(edge_t**list, double _x1, double _y1, double int y1 = ceil(_y1); int x2 = ceil(_x2); int y2 = ceil(_y2); - if(y1!=y2) { + if(x1!=x2 || y1!=y2) { edge_t*s = edge_new(x1, y1, x2, y2); s->next = *list; *list = s; } } -gfxpoly_t* gfxpoly_fillToPoly(gfxline_t*line) +gfxpoly_t* gfxpoly_fillToPoly(gfxline_t*line, double gridsize) { edge_t*s = 0; /* factor that determines into how many line fragments a spline is converted */ double subfraction = 2.4;//0.3 + double z = 1.0 / gridsize; + double lastx=0, lasty=0; assert(!line || line[0].type == gfx_moveTo); while(line) { + double x = line->x*z; + double y = line->y*z; if(line->type == gfx_moveTo) { } else if(line->type == gfx_lineTo) { - gfxpoly_add_edge(&s, lastx, lasty, line->x, line->y); + gfxpoly_add_edge(&s, lastx, lasty, x, y); } else if(line->type == gfx_splineTo) { int parts = (int)(sqrt(fabs(line->x-2*line->sx+lastx) + fabs(line->y-2*line->sy+lasty))*subfraction); @@ -49,20 +53,23 @@ gfxpoly_t* gfxpoly_fillToPoly(gfxline_t*line) int i; for(i=0;ix*t*t + 2*line->sx*t*(1-t) + x*(1-t)*(1-t); - double y = line->y*t*t + 2*line->sy*t*(1-t) + y*(1-t)*(1-t); - gfxpoly_add_edge(&s, lastx, lasty, x, y); - lastx = x; - lasty = y; + double sx = (line->x*t*t + 2*line->sx*t*(1-t) + x*(1-t)*(1-t))*z; + double sy = (line->y*t*t + 2*line->sy*t*(1-t) + y*(1-t)*(1-t))*z; + gfxpoly_add_edge(&s, lastx, lasty, sx, sy); + lastx = sx; + lasty = sy; } - gfxpoly_add_edge(&s, lastx, lasty, line->x, line->y); + gfxpoly_add_edge(&s, lastx, lasty, x, y); } - lastx = line->x; - lasty = line->y; + lastx = x; + lasty = y; line = line->next; } gfxline_free(line); - return s; + + gfxpoly_t*p = gfxpoly_new(gridsize); + p->edges = s; + return p; }