fixed character clipping test in --flatten

diff --git a/lib/devices/polyops.c b/lib/devices/polyops.c
index 416797c..9893d1d 100644 (file)
--- a/lib/devices/polyops.c
+++ b/lib/devices/polyops.c
@@ -305,6 +305,9 @@ void polyops_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcol
     if(i->clip && i->clip->poly) {
        gfxbbox_t bbox = gfxline_getbbox(glyph);
        gfxpoly_t*dummybox = gfxpoly_createbox(bbox.xmin,bbox.ymin,bbox.xmax,bbox.ymax, DEFAULT_GRID);
+       gfxline_t*dummybox2 = gfxline_from_gfxpoly(dummybox);
+       bbox = gfxline_getbbox(dummybox2);
+       gfxline_free(dummybox2);
 
         char ok=0;
        gfxline_t*gfxline = handle_poly(dev, dummybox, &ok);
@@ -313,8 +316,8 @@ void polyops_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcol
            double w = bbox2.xmax - bbox2.xmin;
            double h = bbox2.ymax - bbox2.ymin;
            if(w < 0.001 || h < 0.001) /* character was clipped completely */ {
-           } else if(fabs((bbox.xmax - bbox.xmin) - w) > 0.05 ||
-                     fabs((bbox.ymax - bbox.ymin) - h) > 0.05) {
+           } else if(fabs((bbox.xmax - bbox.xmin) - w) > DEFAULT_GRID*2 ||
+                     fabs((bbox.ymax - bbox.ymin) - h) > DEFAULT_GRID*2) {
                /* notable change in character size: character was clipped 
                   TODO: how to deal with diagonal cuts?
                 */