static fz_error *
renderpath(fz_renderer *gc, fz_pathnode *path, fz_matrix ctm)
{
fz_error *error;
float flatness;
fz_irect gbox;
fz_irect clip;
flatness = 0.3 / fz_matrixexpansion(ctm);
if (flatness < 0.1)
flatness = 0.1;
fz_resetgel(gc->gel, HS, VS);
if (path->paint == FZ_STROKE)
{
if (path->dash)
error = fz_dashpath(gc->gel, path, ctm, flatness);
else
error = fz_strokepath(gc->gel, path, ctm, flatness);
}
else
error = fz_fillpath(gc->gel, path, ctm, flatness);
if (error)
return error;
fz_sortgel(gc->gel);
gbox = fz_boundgel(gc->gel);
clip = fz_intersectirects(gc->clip, gbox);
if (fz_isemptyrect(clip))
return nil;
DEBUG("path %s;\n", path->paint == FZ_STROKE ? "stroke" : "fill");
if (gc->flag & FRGB)
{
return fz_scanconvert(gc->gel, gc->ael, path->paint == FZ_EOFILL,
clip, gc->over, gc->rgb, 1);
}
else if (gc->flag & FOVER)
{
return fz_scanconvert(gc->gel, gc->ael, path->paint == FZ_EOFILL,
clip, gc->over, nil, 1);
}
else
{
error = fz_newpixmapwithrect(&gc->dest, clip, 1);
if (error)
return error;
fz_clearpixmap(gc->dest);
return fz_scanconvert(gc->gel, gc->ael, path->paint == FZ_EOFILL,
clip, gc->dest, nil, 0);
}
}
static void
fz_drawfillpath(void *user, fz_path *path, int evenodd, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_drawdevice *dev = user;
fz_colorspace *model = dev->dest->colorspace;
float expansion = fz_matrixexpansion(ctm);
float flatness = 0.3f / expansion;
unsigned char colorbv[FZ_MAXCOLORS + 1];
float colorfv[FZ_MAXCOLORS];
fz_bbox bbox;
int i;
fz_resetgel(dev->gel, dev->scissor);
fz_fillpath(dev->gel, path, ctm, flatness);
fz_sortgel(dev->gel);
bbox = fz_boundgel(dev->gel);
bbox = fz_intersectbbox(bbox, dev->scissor);
if (fz_isemptyrect(bbox))
return;
fz_convertcolor(colorspace, color, model, colorfv);
for (i = 0; i < model->n; i++)
colorbv[i] = colorfv[i] * 255;
colorbv[i] = alpha * 255;
fz_scanconvert(dev->gel, dev->ael, evenodd, bbox, dev->dest, colorbv);
}
static void
fz_drawclippath(void *user, fz_path *path, int evenodd, fz_matrix ctm)
{
fz_drawdevice *dev = user;
fz_colorspace *model = dev->dest->colorspace;
float expansion = fz_matrixexpansion(ctm);
float flatness = 0.3f / expansion;
fz_pixmap *mask, *dest;
fz_bbox bbox;
if (dev->top == STACKSIZE)
{
fz_warn("assert: too many buffers on stack");
return;
}
fz_resetgel(dev->gel, dev->scissor);
fz_fillpath(dev->gel, path, ctm, flatness);
fz_sortgel(dev->gel);
bbox = fz_boundgel(dev->gel);
bbox = fz_intersectbbox(bbox, dev->scissor);
if (fz_isemptyrect(bbox) || fz_isrectgel(dev->gel))
{
dev->stack[dev->top].scissor = dev->scissor;
dev->stack[dev->top].mask = nil;
dev->stack[dev->top].dest = nil;
dev->scissor = bbox;
dev->top++;
return;
}
mask = fz_newpixmapwithrect(nil, bbox);
dest = fz_newpixmapwithrect(model, bbox);
fz_clearpixmap(mask, 0);
fz_clearpixmap(dest, 0);
fz_scanconvert(dev->gel, dev->ael, evenodd, bbox, mask, nil);
dev->stack[dev->top].scissor = dev->scissor;
dev->stack[dev->top].mask = mask;
dev->stack[dev->top].dest = dev->dest;
dev->scissor = bbox;
dev->dest = dest;
dev->top++;
}
static void
fz_drawclipstrokepath(void *user, fz_path *path, fz_strokestate *stroke, fz_matrix ctm)
{
fz_drawdevice *dev = user;
fz_colorspace *model = dev->dest->colorspace;
float expansion = fz_matrixexpansion(ctm);
float flatness = 0.3f / expansion;
float linewidth = stroke->linewidth;
fz_pixmap *mask, *dest;
fz_bbox bbox;
if (dev->top == STACKSIZE)
{
fz_warn("assert: too many buffers on stack");
return;
}
if (linewidth * expansion < 0.1f)
linewidth = 1 / expansion;
fz_resetgel(dev->gel, dev->scissor);
if (stroke->dashlen > 0)
fz_dashpath(dev->gel, path, stroke, ctm, flatness, linewidth);
else
fz_strokepath(dev->gel, path, stroke, ctm, flatness, linewidth);
fz_sortgel(dev->gel);
bbox = fz_boundgel(dev->gel);
bbox = fz_intersectbbox(bbox, dev->scissor);
mask = fz_newpixmapwithrect(nil, bbox);
dest = fz_newpixmapwithrect(model, bbox);
fz_clearpixmap(mask, 0);
fz_clearpixmap(dest, 0);
if (!fz_isemptyrect(bbox))
fz_scanconvert(dev->gel, dev->ael, 0, bbox, mask, nil);
dev->stack[dev->top].scissor = dev->scissor;
dev->stack[dev->top].mask = mask;
dev->stack[dev->top].dest = dev->dest;
dev->scissor = bbox;
dev->dest = dest;
dev->top++;
}
static void
fz_drawstrokepath(void *user, fz_path *path, fz_strokestate *stroke, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_drawdevice *dev = user;
fz_colorspace *model = dev->dest->colorspace;
float expansion = fz_matrixexpansion(ctm);
float flatness = 0.3f / expansion;
float linewidth = stroke->linewidth;
unsigned char colorbv[FZ_MAXCOLORS + 1];
float colorfv[FZ_MAXCOLORS];
fz_bbox bbox;
int i;
if (linewidth * expansion < 0.1f)
linewidth = 1 / expansion;
fz_resetgel(dev->gel, dev->scissor);
if (stroke->dashlen > 0)
fz_dashpath(dev->gel, path, stroke, ctm, flatness, linewidth);
else
fz_strokepath(dev->gel, path, stroke, ctm, flatness, linewidth);
fz_sortgel(dev->gel);
bbox = fz_boundgel(dev->gel);
bbox = fz_intersectbbox(bbox, dev->scissor);
if (fz_isemptyrect(bbox))
return;
fz_convertcolor(colorspace, color, model, colorfv);
for (i = 0; i < model->n; i++)
colorbv[i] = colorfv[i] * 255;
colorbv[i] = alpha * 255;
fz_scanconvert(dev->gel, dev->ael, 0, bbox, dev->dest, colorbv);
}
static fz_error *
renderpath(fz_renderer *gc, fz_pathnode *path, fz_matrix ctm)
{
fz_error *error;
float flatness;
fz_irect gbox;
fz_irect clip;
float expansion = fz_matrixexpansion(ctm);
flatness = 0.3 / expansion;
if (flatness < 0.1)
flatness = 0.1;
fz_resetgel(gc->gel, gc->clip);
if (path->paint == FZ_STROKE)
{
float lw = path->linewidth;
/* Check for hairline */
if (lw * expansion < 0.1) {
lw = 1.0f / expansion;
}
if (path->dash)
error = fz_dashpath(gc->gel, path, ctm, flatness, lw);
else
error = fz_strokepath(gc->gel, path, ctm, flatness, lw);
}
else
error = fz_fillpath(gc->gel, path, ctm, flatness);
if (error)
return error;
fz_sortgel(gc->gel);
gbox = fz_boundgel(gc->gel);
clip = fz_intersectirects(gc->clip, gbox);
if (fz_isemptyrect(clip))
return fz_okay;
DEBUG("path %s;\n", path->paint == FZ_STROKE ? "stroke" : "fill");
if (gc->flag & FRGB)
{
DEBUG(" path rgb %d %d %d %d, %d %d %d\n", gc->argb[0], gc->argb[1], gc->argb[2], gc->argb[3], gc->argb[4], gc->argb[5], gc->argb[6]);
return fz_scanconvert(gc->gel, gc->ael, path->paint == FZ_EOFILL,
clip, gc->over, gc->argb, 1);
}
else if (gc->flag & FOVER)
{
return fz_scanconvert(gc->gel, gc->ael, path->paint == FZ_EOFILL,
clip, gc->over, nil, 1);
}
else
{
error = fz_newpixmapwithrect(&gc->dest, clip, 1);
if (error)
return error;
fz_clearpixmap(gc->dest);
return fz_scanconvert(gc->gel, gc->ael, path->paint == FZ_EOFILL,
clip, gc->dest, nil, 0);
}
}