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fixed image splitting code
[swftools.git]
/
lib
/
devices
/
polyops.c
diff --git
a/lib/devices/polyops.c
b/lib/devices/polyops.c
index
b5bb1d3
..
de03533
100644
(file)
--- a/
lib/devices/polyops.c
+++ b/
lib/devices/polyops.c
@@
-60,7
+60,7
@@
static void dbg(char*format, ...)
int l;
va_list arglist;
va_start(arglist, format);
int l;
va_list arglist;
va_start(arglist, format);
- vsprintf(buf, format, arglist);
+ vsnprintf(buf, sizeof(buf)-1, format, arglist);
va_end(arglist);
l = strlen(buf);
while(l && buf[l-1]=='\n') {
va_end(arglist);
l = strlen(buf);
while(l && buf[l-1]=='\n') {
@@
-92,7
+92,7
@@
void polyops_startclip(struct _gfxdevice*dev, gfxline_t*line)
internal_t*i = (internal_t*)dev->internal;
gfxpoly_t* oldclip = i->clip?i->clip->poly:0;
internal_t*i = (internal_t*)dev->internal;
gfxpoly_t* oldclip = i->clip?i->clip->poly:0;
- gfxpoly_t* poly = gfxpoly_fillToPoly(line);
+ gfxpoly_t* poly = gfxpoly_from_fill(line, DEFAULT_GRID);
if(poly)
i->good_polygons++;
else
if(poly)
i->good_polygons++;
else
@@
-105,13
+105,17
@@
void polyops_startclip(struct _gfxdevice*dev, gfxline_t*line)
a gfxline into a gfxpoly- for polygons which are too
complex or just degenerate, this might fail. So handle
all the cases where polygon conversion or intersection
a gfxline into a gfxpoly- for polygons which are too
complex or just degenerate, this might fail. So handle
all the cases where polygon conversion or intersection
- might go awry */
+ might go awry
+ UPDATE: this is not needed anymore. The new gfxpoly
+ implementation is stable enough so it always returns
+ a valid result. Still, it's good practice.
+ */
if(!poly && !oldclip) {
i->out->startclip(i->out,line);
currentclip = 0;
type = 1;
} else if(!poly && oldclip) {
if(!poly && !oldclip) {
i->out->startclip(i->out,line);
currentclip = 0;
type = 1;
} else if(!poly && oldclip) {
- gfxline_t*oldclipline = gfxpoly_to_gfxline(oldclip);
+ gfxline_t*oldclipline = gfxline_from_gfxpoly(oldclip);
i->out->startclip(i->out,oldclipline);
i->out->startclip(i->out,line);
currentclip = 0;
i->out->startclip(i->out,oldclipline);
i->out->startclip(i->out,line);
currentclip = 0;
@@
-121,12
+125,12
@@
void polyops_startclip(struct _gfxdevice*dev, gfxline_t*line)
if(intersection) {
i->good_polygons++;
// this case is what usually happens
if(intersection) {
i->good_polygons++;
// this case is what usually happens
- gfxpoly_free(poly);poly=0;
+ gfxpoly_destroy(poly);poly=0;
currentclip = intersection;
type = 0;
} else {
i->bad_polygons++;
currentclip = intersection;
type = 0;
} else {
i->bad_polygons++;
- gfxline_t*oldclipline = gfxpoly_to_gfxline(oldclip);
+ gfxline_t*oldclipline = gfxline_from_gfxpoly(oldclip);
i->out->startclip(i->out, oldclipline);
currentclip = poly;
type = 1;
i->out->startclip(i->out, oldclipline);
currentclip = poly;
type = 1;
@@
-156,7
+160,7
@@
void polyops_endclip(struct _gfxdevice*dev)
clip_t*old = i->clip;
i->clip = i->clip->next;
if(old->poly) {
clip_t*old = i->clip;
i->clip = i->clip->next;
if(old->poly) {
- gfxpoly_free(old->poly);old->poly = 0;
+ gfxpoly_destroy(old->poly);old->poly = 0;
}
int t;
for(t=0;t<old->openclips;t++)
}
int t;
for(t=0;t<old->openclips;t++)
@@
-172,7
+176,7
@@
static void addtounion(struct _gfxdevice*dev, gfxpoly_t*poly)
gfxpoly_t*old = i->polyunion;
gfxpoly_t*newpoly = gfxpoly_union(poly,i->polyunion);
i->polyunion = newpoly;
gfxpoly_t*old = i->polyunion;
gfxpoly_t*newpoly = gfxpoly_union(poly,i->polyunion);
i->polyunion = newpoly;
- gfxpoly_free(old);
+ gfxpoly_destroy(old);
}
}
}
}
@@
-183,7
+187,7
@@
static gfxline_t* handle_poly(gfxdevice_t*dev, gfxpoly_t*poly, char*ok)
gfxpoly_t*old = poly;
if(poly) {
poly = gfxpoly_intersect(poly, i->clip->poly);
gfxpoly_t*old = poly;
if(poly) {
poly = gfxpoly_intersect(poly, i->clip->poly);
- gfxpoly_free(old);
+ gfxpoly_destroy(old);
}
}
}
}
@@
-196,8
+200,8
@@
static gfxline_t* handle_poly(gfxdevice_t*dev, gfxpoly_t*poly, char*ok)
gfxline_t*gfxline = 0;
if(poly) {
// this is the case where everything went right
gfxline_t*gfxline = 0;
if(poly) {
// this is the case where everything went right
- gfxline_t*line = gfxpoly_to_gfxline(poly);
- gfxpoly_free(poly);
+ gfxline_t*line = gfxline_from_gfxpoly(poly);
+ gfxpoly_destroy(poly);
*ok = 1;
return line;
} else {
*ok = 1;
return line;
} else {
@@
-205,10
+209,10
@@
static gfxline_t* handle_poly(gfxdevice_t*dev, gfxpoly_t*poly, char*ok)
/* convert current clipping from a polygon to an
actual "startclip" written to the output */
assert(i->clip->openclips <= 1);
/* convert current clipping from a polygon to an
actual "startclip" written to the output */
assert(i->clip->openclips <= 1);
- gfxline_t*clipline = gfxpoly_to_gfxline(i->clip->poly);
+ gfxline_t*clipline = gfxline_from_gfxpoly(i->clip->poly);
i->out->startclip(i->out, clipline);
gfxline_free(clipline);
i->out->startclip(i->out, clipline);
gfxline_free(clipline);
- gfxpoly_free(i->clip->poly);i->clip->poly = 0;
+ gfxpoly_destroy(i->clip->poly);i->clip->poly = 0;
i->clip->openclips++;
return 0;
} else {
i->clip->openclips++;
return 0;
} else {
@@
-222,7
+226,7
@@
void polyops_stroke(struct _gfxdevice*dev, gfxline_t*line, gfxcoord_t width, gfx
dbg("polyops_stroke");
internal_t*i = (internal_t*)dev->internal;
dbg("polyops_stroke");
internal_t*i = (internal_t*)dev->internal;
- gfxpoly_t* poly = gfxpoly_strokeToPoly(line, width, cap_style, joint_style, miterLimit);
+ gfxpoly_t* poly = gfxpoly_from_stroke(line, width, cap_style, joint_style, miterLimit, DEFAULT_GRID);
char ok = 0;
gfxline_t*line2 = handle_poly(dev, poly, &ok);
char ok = 0;
gfxline_t*line2 = handle_poly(dev, poly, &ok);
@@
-240,7
+244,7
@@
void polyops_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color)
dbg("polyops_fill");
internal_t*i = (internal_t*)dev->internal;
dbg("polyops_fill");
internal_t*i = (internal_t*)dev->internal;
- gfxpoly_t*poly = gfxpoly_fillToPoly(line);
+ gfxpoly_t*poly = gfxpoly_from_fill(line, DEFAULT_GRID);
char ok = 0;
gfxline_t*line2 = handle_poly(dev, poly, &ok);
char ok = 0;
gfxline_t*line2 = handle_poly(dev, poly, &ok);
@@
-257,7
+261,7
@@
void polyops_fillbitmap(struct _gfxdevice*dev, gfxline_t*line, gfximage_t*img, g
dbg("polyops_fillbitmap");
internal_t*i = (internal_t*)dev->internal;
dbg("polyops_fillbitmap");
internal_t*i = (internal_t*)dev->internal;
- gfxpoly_t*poly = gfxpoly_fillToPoly(line);
+ gfxpoly_t*poly = gfxpoly_from_fill(line, DEFAULT_GRID);
char ok = 0;
gfxline_t*line2 = handle_poly(dev, poly, &ok);
char ok = 0;
gfxline_t*line2 = handle_poly(dev, poly, &ok);
@@
-274,7
+278,7
@@
void polyops_fillgradient(struct _gfxdevice*dev, gfxline_t*line, gfxgradient_t*g
dbg("polyops_fillgradient");
internal_t*i = (internal_t*)dev->internal;
dbg("polyops_fillgradient");
internal_t*i = (internal_t*)dev->internal;
- gfxpoly_t*poly = gfxpoly_fillToPoly(line);
+ gfxpoly_t*poly = gfxpoly_from_fill(line, DEFAULT_GRID);
char ok = 0;
gfxline_t*line2 = handle_poly(dev, poly, &ok);
char ok = 0;
gfxline_t*line2 = handle_poly(dev, poly, &ok);
@@
-304,7
+308,10
@@
void polyops_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcol
if(i->clip && i->clip->poly) {
gfxbbox_t bbox = gfxline_getbbox(glyph);
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);
+ 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);
char ok=0;
gfxline_t*gfxline = handle_poly(dev, dummybox, &ok);
@@
-312,12
+319,15
@@
void polyops_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcol
gfxbbox_t bbox2 = gfxline_getbbox(gfxline);
double w = bbox2.xmax - bbox2.xmin;
double h = bbox2.ymax - bbox2.ymin;
gfxbbox_t bbox2 = gfxline_getbbox(gfxline);
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) {
+ 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?
*/
/* notable change in character size: character was clipped
TODO: how to deal with diagonal cuts?
*/
+ msg("<trace> Character %d was clipped: (%f,%f,%f,%f) -> (%f,%f,%f,%f)",
+ glyphnr,
+ bbox.xmin,bbox.ymin,bbox.xmax,bbox.ymax,
+ bbox2.xmin,bbox2.ymin,bbox2.xmax,bbox2.ymax);
polyops_fill(dev, glyph, color);
} else {
if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
polyops_fill(dev, glyph, color);
} else {
if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
@@
-325,6
+335,7
@@
void polyops_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcol
} else {
if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
}
} else {
if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
}
+ gfxline_free(gfxline);
} else {
if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
}
} else {
if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
}
@@
-351,16
+362,17
@@
gfxresult_t* polyops_finish(struct _gfxdevice*dev)
dbg("polyops_finish");
internal_t*i = (internal_t*)dev->internal;
dbg("polyops_finish");
internal_t*i = (internal_t*)dev->internal;
-
if(i->polyunion) {
if(i->polyunion) {
- gfxpoly_free(i->polyunion);i->polyunion=0;
+ gfxpoly_destroy(i->polyunion);i->polyunion=0;
} else {
if(i->bad_polygons) {
msg("<notice> --flatten success rate: %.1f%% (%d failed polygons)", i->good_polygons*100.0 / (i->good_polygons + i->bad_polygons), i->bad_polygons);
}
}
} else {
if(i->bad_polygons) {
msg("<notice> --flatten success rate: %.1f%% (%d failed polygons)", i->good_polygons*100.0 / (i->good_polygons + i->bad_polygons), i->bad_polygons);
}
}
- if(i->out) {
- return i->out->finish(i->out);
+ gfxdevice_t*out = i->out;
+ free(i);memset(dev, 0, sizeof(gfxdevice_t));
+ if(out) {
+ return out->finish(out);
} else {
return 0;
}
} else {
return 0;
}
@@
-369,7
+381,7
@@
gfxresult_t* polyops_finish(struct _gfxdevice*dev)
gfxline_t*gfxdevice_union_getunion(struct _gfxdevice*dev)
{
internal_t*i = (internal_t*)dev->internal;
gfxline_t*gfxdevice_union_getunion(struct _gfxdevice*dev)
{
internal_t*i = (internal_t*)dev->internal;
- return gfxpoly_to_gfxline(i->polyunion);
+ return gfxline_from_gfxpoly(i->polyunion);
}
void gfxdevice_removeclippings_init(gfxdevice_t*dev, gfxdevice_t*out)
}
void gfxdevice_removeclippings_init(gfxdevice_t*dev, gfxdevice_t*out)
@@
-425,6
+437,7
@@
void gfxdevice_union_init(gfxdevice_t*dev,gfxdevice_t*out)
dev->finish = polyops_finish;
i->out = out;
dev->finish = polyops_finish;
i->out = out;
- i->polyunion = gfxpoly_strokeToPoly(0, 0, gfx_capButt, gfx_joinMiter, 0);
+ /* create empty polygon */
+ i->polyunion = gfxpoly_from_stroke(0, 0, gfx_capButt, gfx_joinMiter, 0, DEFAULT_GRID);
}
}