X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=lib%2Fgfxpoly%2Frenderpoly.c;h=c1a428f6c39d1546799f24e099e655e21a22d774;hp=9e3c593e9005b2308dbc383d928182c96a520725;hb=336f6de943b8c0bbeb0f64b7e35dd9511147a20a;hpb=64cbdc0d10e611af20d4d375ff6319793da8e6f5

diff --git a/lib/gfxpoly/renderpoly.c b/lib/gfxpoly/renderpoly.c
index 9e3c593..c1a428f 100644
--- a/lib/gfxpoly/renderpoly.c
+++ b/lib/gfxpoly/renderpoly.c
@@ -120,7 +120,7 @@ static void fill_bitwise(unsigned char*line, int x1, int x2)
     }
 }
 
-unsigned char* render_polygon(gfxpoly_t*polygon, intbbox_t*bbox, double zoom, windrule_t*rule)
+unsigned char* render_polygon(gfxpoly_t*polygon, intbbox_t*bbox, double zoom, windrule_t*rule, windcontext_t*context)
 {
     renderbuf_t _buf, *buf=&_buf;
     buf->width = (bbox->xmax - bbox->xmin);
@@ -128,6 +128,7 @@ unsigned char* render_polygon(gfxpoly_t*polygon, intbbox_t*bbox, double zoom, wi
     buf->bbox = *bbox;
     buf->zoom = zoom * polygon->gridsize;
     int width8 = (buf->width+7) >> 3;
+    char bleeding = 0;
     unsigned char* image = (unsigned char*)malloc(width8*buf->height);
     memset(image, 0, width8*buf->height);
 
@@ -153,7 +154,7 @@ unsigned char* render_polygon(gfxpoly_t*polygon, intbbox_t*bbox, double zoom, wi
         qsort(points, num, sizeof(renderpoint_t), compare_renderpoints);
         int lastx = 0;
         
-        windstate_t fill = rule->start(1);
+        windstate_t fill = rule->start(context);
         for(n=0;n<num;n++) {
             renderpoint_t*p = &points[n];
             int x = (int)(p->x - bbox->xmin);
@@ -166,13 +167,15 @@ unsigned char* render_polygon(gfxpoly_t*polygon, intbbox_t*bbox, double zoom, wi
             if(fill.is_filled && lastx<x) {
                 fill_bitwise(line, lastx, x);
             }
-            fill = rule->add(fill, p->fs, p->dir, p->polygon_nr);
+            fill = rule->add(context, fill, p->fs, p->dir, p->polygon_nr);
             lastx = x;
         }
         if(fill.is_filled && lastx!=buf->width) {
             /* we're bleeding, fill over padding, too. */
             fprintf(stderr, "Polygon %08x is bleeding in line %d\n", polygon, y);
             fill_bitwise(line, lastx, width8*8);
+	    assert(line[width8-1]&0x01);
+	    bleeding = 1;
         }
     }
     
@@ -182,6 +185,9 @@ unsigned char* render_polygon(gfxpoly_t*polygon, intbbox_t*bbox, double zoom, wi
         }
         memset(&buf->lines[y], 0, sizeof(renderline_t));
     }
+    if(bleeding) {
+	assert(!bitmap_ok(bbox, image));
+    }
     free(buf->lines);buf->lines=0;
     return image;
 }
@@ -192,6 +198,14 @@ unsigned char* render_polygon(gfxpoly_t*polygon, intbbox_t*bbox, double zoom, wi
 static inline max(double a, double b) {return a>b?a:b;}
 static inline min(double a, double b) {return a<b?a:b;}
 
+static int adjust_x(int xmin, int xmax)
+{
+    xmax += 8;
+    while(((xmax - xmin)&0x07) != 0x04)
+        xmax++;
+    return xmax;
+}
+
 intbbox_t intbbox_new(int x1, int y1, int x2, int y2)
 {
     intbbox_t b;
@@ -199,8 +213,9 @@ intbbox_t intbbox_new(int x1, int y1, int x2, int y2)
     b.ymin = y1;
     b.xmax = x2;
     b.ymax = y2;
-    b.width = x2-x1;
-    b.height = y2-y1;
+    b.xmax = adjust_x(b.xmin, b.xmax);
+    b.width = b.xmax - b.xmin;
+    b.height = b.ymax - b.ymin;
     return b;
 }
 
@@ -246,10 +261,8 @@ intbbox_t intbbox_from_polygon(gfxpoly_t*polygon, double zoom)
 	b.xmin = b.xmax;
     if(b.ymin > b.ymax) 
 	b.ymin = b.ymax;
-        
-    b.xmax += 8;
-    while(((b.xmax - b.xmin)&0x07) != 0x04)
-        b.xmax++;
+    
+    b.xmax = adjust_x(b.xmin, b.xmax);
 
     b.width = b.xmax - b.xmin;
     b.height = b.ymax - b.ymin;
@@ -279,8 +292,6 @@ int bitmap_ok(intbbox_t*bbox, unsigned char*data)
 {
     int y;
     int width8 = (bbox->width+7) >> 3;
-    if((bbox->width&7) == 0)
-        return 1;
     for(y=0;y<bbox->height;y++) {
         if(data[width8-1]&0x01)
             return 0; //bleeding