+void drawShortPathWithEnds(struct swfoutput*obj, double x, double y, struct swfmatrix* m, SWF_OUTLINE*outline, int num, int line_cap, int line_join, double line_width)
+{
+ swfoutput_internal*i = (swfoutput_internal*)obj->internal;
+ plotxy d,d2;
+ int back = 0;
+
+ if(line_cap == LINE_CAP_BUTT || line_cap == LINE_CAP_SQUARE) {
+ endshape(obj,0);
+ startshape(obj);
+ SWF_OUTLINE *last, *tmp=outline;
+ plotxy s,e,p0,p1,p2,p3,m0,m1,m2,m3;
+ double x2 = x;
+ double y2 = y;
+ double lx=x,ly=y;
+ double ee = 1.0;
+ int nr;
+ while(tmp && tmp->type != SWF_PATHTYPE_MOVE) {
+ last = tmp;
+ lx += (tmp->dest.x/(float)0xffff);
+ ly += (tmp->dest.y/(float)0xffff);
+ tmp = tmp->link;
+ }
+ s = getPivot(obj, outline, 0, line_width, 0, 0);
+ e = getPivot(obj, last, 0, line_width, 1, 0);
+
+ if(line_cap == LINE_CAP_BUTT) {
+ /* make the clipping rectangle slighly bigger
+ than the line ending, so that it get's clipped
+ propertly */
+ //ee = 1.01;
+ ee=1.0;
+ }
+
+ p0.x = x2 + s.x*ee;
+ p0.y = y2 + s.y*ee;
+ p1.x = x2 - s.x*ee;
+ p1.y = y2 - s.y*ee;
+ p2.x = x2 - s.y - s.x*ee;
+ p2.y = y2 + s.x - s.y*ee;
+ p3.x = x2 - s.y + s.x*ee;
+ p3.y = y2 + s.x + s.y*ee;
+ m0.x = lx + e.x*ee;
+ m0.y = ly + e.y*ee;
+ m1.x = lx - e.x*ee;
+ m1.y = ly - e.y*ee;
+ m2.x = lx + e.y - e.x*ee;
+ m2.y = ly - e.x - e.y*ee;
+ m3.x = lx + e.y + e.x*ee;
+ m3.y = ly - e.x + e.y*ee;
+
+ for(nr=0;nr<2;nr++) {
+ int dir=0;
+ struct plotxy q0,q1,q2,q3,q4,q5;
+
+ startFill(obj);
+ if(line_cap == LINE_CAP_BUTT) {
+ if(dir) {
+ /* FIXME: box should be smaller */
+ q0.x = 0; q0.y = 0;
+ q1.x = i->max_x; q1.y = 0;
+ q2.x = i->max_x; q2.y = i->max_y;
+ q3.x = 0; q3.y = i->max_y;
+ } else {
+ /* FIXME: box should be smaller */
+ q0.x = i->max_x; q0.y = i->max_y;
+ q1.x = 0; q1.y = i->max_y;
+ q2.x = 0; q2.y = 0;
+ q3.x = i->max_x; q3.y = 0;
+ }
+ q4.x = p0.x;
+ q4.y = p0.y;
+ moveto(obj, i->tag, q0);
+ lineto(obj, i->tag, q1);
+ lineto(obj, i->tag, q2);
+ lineto(obj, i->tag, q3);
+ lineto(obj, i->tag, q0);
+
+ transform(&q4,m);
+ lineto(obj, i->tag, q4);
+ }
+
+ line(obj, i->tag, p0, p1, m);
+ line(obj, i->tag, p1, p2, m);
+ line(obj, i->tag, p2, p3, m);
+ line(obj, i->tag, p3, p0, m);
+
+ if(line_cap == LINE_CAP_BUTT) {
+ lineto(obj, i->tag, q0);
+ endshape(obj, i->depth+2-nr);
+ startshape(obj);
+ }
+ p0 = m0;
+ p1 = m1;
+ p2 = m2;
+ p3 = m3;
+ }
+
+ stopFill(obj);
+ }
+
+ drawShortPath(obj,x,y,m,outline);
+
+ if(line_cap == LINE_CAP_BUTT) {
+ endshape(obj,0);
+ startshape(obj);
+ }
+}
+
+void drawT1toRect(struct swfoutput*obj, double x, double y, struct swfmatrix* m, SWF_OUTLINE*outline, int num, int line_cap, int line_join, double line_width)
+{
+ swfoutput_internal*i = (swfoutput_internal*)obj->internal;
+ plotxy d1,d2,p1,p2,p3,p4;
+
+ d1.x = (outline->dest.x/(float)0xffff);
+ d1.y = (outline->dest.y/(float)0xffff);
+ d2 = getPivot(obj, outline, 0, line_width, 0, 0);
+
+ assert(line_cap != LINE_CAP_ROUND);
+ if(line_cap == LINE_CAP_SQUARE) {
+ x -= +d2.y;
+ y -= -d2.x;
+ d1.x += +2*d2.y;
+ d1.y += -2*d2.x;
+ }
+
+ p1.x = x + d2.x;
+ p1.y = y + d2.y;
+ p2.x = x + d2.x + d1.x;
+ p2.y = y + d2.y + d1.y;
+ p3.x = x - d2.x + d1.x;
+ p3.y = y - d2.y + d1.y;
+ p4.x = x - d2.x;
+ p4.y = y - d2.y;
+
+ line(obj, i->tag, p1,p2, m);
+ line(obj, i->tag, p2,p3, m);
+ line(obj, i->tag, p3,p4, m);
+ line(obj, i->tag, p4,p1, m);
+}
+
+void drawShortPathWithStraightEnds(struct swfoutput*obj, double x, double y, struct swfmatrix* m, SWF_OUTLINE*outline, int num, int line_cap, int line_join, double line_width)
+{
+ swfoutput_internal*i = (swfoutput_internal*)obj->internal;
+ SWF_OUTLINE*tmp=outline;
+ double xx=x,yy=y;
+ int stop=0;
+ assert(i->shapeid>=0);
+
+ startFill(obj);
+ drawT1toRect(obj, x, y, m,outline, num, line_cap, line_join, line_width);
+
+ while(tmp->link && tmp->link->type!=SWF_PATHTYPE_MOVE) {
+ xx += (tmp->dest.x/(float)0xffff);
+ yy += (tmp->dest.y/(float)0xffff);
+ tmp = tmp->link;
+ }
+
+ assert(tmp->type == SWF_PATHTYPE_LINE);
+ assert(outline->type == SWF_PATHTYPE_LINE);
+
+ if(tmp!=outline) {
+
+ if(outline->link == tmp) {
+ /* the two straight line segments (which are everything we
+ need to draw) are very likely to overlap. To avoid that
+ they cancel each other out at the end points, start a new
+ shape for the second one */
+ endshape(obj,0);startshape(obj);
+ startFill(obj);
+ }
+
+ drawT1toRect(obj, xx, yy, m, tmp, num, line_cap, line_join, line_width);
+
+ if(outline->link != tmp)
+ {
+ stopFill(obj);stop=1;
+ int save= tmp->type;
+ tmp->type = SWF_PATHTYPE_MOVE;
+ x += (outline->dest.x/(float)0xffff);
+ y += (outline->dest.y/(float)0xffff);
+ outline = outline->link;
+ drawShortPath(obj, x, y, m, outline);
+ tmp->type = save;
+ }
+ }
+ if(!stop)
+ stopFill(obj);
+}
+
+static int t1len(struct swfoutput*obj, SWF_OUTLINE*line)
+{
+ swfoutput_internal*i = (swfoutput_internal*)obj->internal;
+ int num=0;
+ while(line && line->type != SWF_PATHTYPE_MOVE) {
+ num++;
+ line = line->link;
+ }
+ return num;
+}
+
+static float t1linelen(struct swfoutput*obj, SWF_OUTLINE*line)
+{
+ swfoutput_internal*i = (swfoutput_internal*)obj->internal;
+ float x,y;
+ x = (line->dest.x/(float)0xffff);
+ y = (line->dest.y/(float)0xffff);
+ return sqrt(x*x+y*y);
+}
+
+void drawpath2poly(struct swfoutput *obj, SWF_OUTLINE*outline, struct swfmatrix*m, int log, int line_join, int line_cap, double line_width, double miter_limit)
+{
+ swfoutput_internal*i = (swfoutput_internal*)obj->internal;
+ if( i->tag->id != ST_DEFINESHAPE &&
+ i->tag->id != ST_DEFINESHAPE2 &&
+ i->tag->id != ST_DEFINESHAPE3) {
+ msg("<error> internal error: drawpath needs a shape tag, not %d\n",i->tag->id);
+ exit(1);
+ }
+ assert(i->shapeid>=0);
+ double x=0,y=0;
+ double lastx=0,lasty=0;
+ int valid = 0;
+ int lastwasline = 0;
+ SWF_OUTLINE*tmp = outline, *last = 0;
+ tmp->last = 0;
+
+ while(1) {
+ double previousx = x, previousy = y;
+ if(tmp) {
+ x += (tmp->dest.x/(float)0xffff);
+ y += (tmp->dest.y/(float)0xffff);
+ }
+ if(!tmp || tmp->type == SWF_PATHTYPE_MOVE) {
+ if(valid && last) {
+ if(fabs(lastx-previousx)<0.001 && fabs(lasty-previousy)<0.001) {
+ /* endpoints match- the path is closed.
+ Don't bother to draw endings */
+ drawShortPath(obj, lastx, lasty, m, last);
+ }
+ if(last->type == SWF_PATHTYPE_LINE && t1linelen(obj,last)>line_width*2 &&
+ lastwasline && line_cap != LINE_CAP_ROUND)
+ drawShortPathWithStraightEnds(obj, lastx, lasty, m, last, valid, line_cap, line_join, line_width);
+ else
+ drawShortPathWithEnds(obj, lastx, lasty, m, last, valid, line_cap, line_join, line_width);
+ }
+ if(!tmp)
+ break;
+ valid = 0;
+ last = 0;
+ lastx = x;
+ lasty = y;
+ } else {
+ if(!last)
+ last = tmp; //remember last stroke start (first segment after moveto)
+ valid++;
+ }
+
+ if(tmp && tmp->type == SWF_PATHTYPE_LINE && t1linelen(obj,tmp)>line_width*2)
+ lastwasline = 1;
+ else
+ lastwasline = 0;
+
+ if(tmp->link)
+ tmp->link->last = tmp; // make sure list is properly linked in both directions
+ tmp = tmp->link;
+ }
+}
+
+static inline int colorcompare(struct swfoutput*obj, RGBA*a,RGBA*b)