4 static ArtVpath* gfxline_to_ArtVpath(gfxline_t*line)
11 /* factor which determines into how many line fragments a spline is converted */
12 double subfraction = 2.4;//0.3
16 if(l2->type == gfx_moveTo) {
18 } if(l2->type == gfx_lineTo) {
20 } if(l2->type == gfx_splineTo) {
21 int parts = (int)(sqrt(fabs(l2->x-2*l2->sx+x) + fabs(l2->y-2*l2->sy+y))*subfraction);
32 vec = art_new (ArtVpath, len+1);
37 if(l2->type == gfx_moveTo) {
38 vec[pos].code = ART_MOVETO;
43 } else if(l2->type == gfx_lineTo) {
44 vec[pos].code = ART_LINETO;
49 } else if(l2->type == gfx_splineTo) {
51 int parts = (int)(sqrt(fabs(l2->x-2*l2->sx+x) + fabs(l2->y-2*l2->sy+y))*subfraction);
53 for(i=0;i<=parts;i++) {
54 double t = (double)i/(double)parts;
55 vec[pos].code = ART_LINETO;
56 vec[pos].x = l2->x*t*t + 2*l2->sx*t*(1-t) + x*(1-t)*(1-t);
57 vec[pos].y = l2->y*t*t + 2*l2->sy*t*(1-t) + y*(1-t)*(1-t);
66 vec[pos].code = ART_END;
71 static void show_path(ArtSVP*path)
74 printf("Segments: %d\n", path->n_segs);
75 for(t=0;t<path->n_segs;t++) {
76 ArtSVPSeg* seg = &path->segs[t];
77 printf("Segment %d: %d points, %s, BBox: (%f,%f,%f,%f)\n",
78 t, seg->n_points, seg->dir==0?"UP ":"DOWN",
79 seg->bbox.x0, seg->bbox.y0, seg->bbox.x1, seg->bbox.y1);
81 for(p=0;p<seg->n_points;p++) {
82 ArtPoint* point = &seg->points[p];
83 printf(" (%f,%f)\n", point->x, point->y);
89 static ArtSVP* gfxfillToSVP(gfxline_t*line, int perturb)
91 ArtVpath* vec = gfxline_to_ArtVpath(line);
93 ArtVpath* vec2 = art_vpath_perturb(vec);
97 ArtSVP *svp = art_svp_from_vpath(vec);
101 static ArtSVP* boxToSVP(double x1, double y1,double x2, double y2)
103 ArtVpath *vec = art_new (ArtVpath, 5+1);
104 vec[0].code = ART_MOVETO;
107 vec[1].code = ART_LINETO;
110 vec[2].code = ART_LINETO;
113 vec[3].code = ART_LINETO;
116 vec[4].code = ART_LINETO;
119 vec[5].code = ART_END;
122 ArtSVP *svp = art_svp_from_vpath(vec);
127 static ArtSVP* gfxstrokeToSVP(gfxline_t*line, gfxcoord_t width, gfx_capType cap_style, gfx_joinType joint_style, double miterLimit)
129 ArtVpath* vec = gfxline_to_ArtVpath(line);
130 ArtSVP *svp = art_svp_vpath_stroke (vec,
131 (joint_style==gfx_joinMiter)?ART_PATH_STROKE_JOIN_MITER:
132 ((joint_style==gfx_joinRound)?ART_PATH_STROKE_JOIN_ROUND:
133 ((joint_style==gfx_joinBevel)?ART_PATH_STROKE_JOIN_BEVEL:ART_PATH_STROKE_JOIN_BEVEL)),
134 (cap_style==gfx_capButt)?ART_PATH_STROKE_CAP_BUTT:
135 ((cap_style==gfx_capRound)?ART_PATH_STROKE_CAP_ROUND:
136 ((cap_style==gfx_capSquare)?ART_PATH_STROKE_CAP_SQUARE:ART_PATH_STROKE_CAP_SQUARE)),
138 miterLimit, //miter_limit
145 static gfxline_t* SVPtogfxline(ArtSVP*svp)
150 for(t=0;t<svp->n_segs;t++) {
151 size += svp->segs[t].n_points + 1;
153 gfxline_t* lines = (gfxline_t*)rfx_alloc(sizeof(gfxline_t)*size);
155 for(t=0;t<svp->n_segs;t++) {
156 ArtSVPSeg* seg = &svp->segs[t];
158 for(p=0;p<seg->n_points;p++) {
159 lines[pos].type = p==0?gfx_moveTo:gfx_lineTo;
160 ArtPoint* point = &seg->points[p];
161 lines[pos].x = point->x;
162 lines[pos].y = point->y;
163 lines[pos].next = &lines[pos+1];
168 lines[pos-1].next = 0;