static void
fz_drawcliptext(void *user, fz_text *text, fz_matrix ctm, int accumulate)
{
fz_drawdevice *dev = user;
fz_colorspace *model = dev->dest->colorspace;
fz_bbox bbox;
fz_pixmap *mask, *dest;
fz_matrix tm, trm;
fz_pixmap *glyph;
int i, x, y, gid;
/* If accumulate == 0 then this text object is guaranteed complete */
/* If accumulate == 1 then this text object is the first (or only) in a sequence */
/* If accumulate == 2 then this text object is a continuation */
if (dev->top == STACKSIZE)
{
fz_warn("assert: too many buffers on stack");
return;
}
if (accumulate == 0)
{
/* make the mask the exact size needed */
bbox = fz_roundrect(fz_boundtext(text, ctm));
bbox = fz_intersectbbox(bbox, dev->scissor);
}
else
{
/* be conservative about the size of the mask needed */
bbox = dev->scissor;
}
if (accumulate == 0 || accumulate == 1)
{
mask = fz_newpixmapwithrect(nil, bbox);
dest = fz_newpixmapwithrect(model, bbox);
fz_clearpixmap(mask, 0);
fz_clearpixmap(dest, 0);
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++;
}
else
{
mask = dev->stack[dev->top-1].mask;
}
if (!fz_isemptyrect(bbox))
{
tm = text->trm;
for (i = 0; i < text->len; i++)
{
gid = text->els[i].gid;
if (gid < 0)
continue;
tm.e = text->els[i].x;
tm.f = text->els[i].y;
trm = fz_concat(tm, ctm);
x = floorf(trm.e);
y = floorf(trm.f);
trm.e = QUANT(trm.e - floorf(trm.e), HSUBPIX);
trm.f = QUANT(trm.f - floorf(trm.f), VSUBPIX);
glyph = fz_renderglyph(dev->cache, text->font, gid, trm);
if (glyph)
{
drawglyph(nil, mask, glyph, x, y, bbox);
fz_droppixmap(glyph);
}
}
}
}
static void
fz_drawclipstroketext(void *user, fz_text *text, fz_strokestate *stroke, fz_matrix ctm)
{
fz_drawdevice *dev = user;
fz_colorspace *model = dev->dest->colorspace;
fz_bbox bbox;
fz_pixmap *mask, *dest;
fz_matrix tm, trm;
fz_pixmap *glyph;
int i, x, y, gid;
if (dev->top == STACKSIZE)
{
fz_warn("assert: too many buffers on stack");
return;
}
/* make the mask the exact size needed */
bbox = fz_roundrect(fz_boundtext(text, ctm));
bbox = fz_intersectbbox(bbox, dev->scissor);
mask = fz_newpixmapwithrect(nil, bbox);
dest = fz_newpixmapwithrect(model, bbox);
fz_clearpixmap(mask, 0);
fz_clearpixmap(dest, 0);
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++;
if (!fz_isemptyrect(bbox))
{
tm = text->trm;
for (i = 0; i < text->len; i++)
{
gid = text->els[i].gid;
if (gid < 0)
continue;
tm.e = text->els[i].x;
tm.f = text->els[i].y;
trm = fz_concat(tm, ctm);
x = floorf(trm.e);
y = floorf(trm.f);
trm.e = QUANT(trm.e - floorf(trm.e), HSUBPIX);
trm.f = QUANT(trm.f - floorf(trm.f), VSUBPIX);
glyph = fz_renderstrokedglyph(dev->cache, text->font, gid, trm, ctm, stroke);
if (glyph)
{
drawglyph(nil, mask, glyph, x, y, bbox);
fz_droppixmap(glyph);
}
}
}
}
void
pdf_flushtext(pdf_csi *csi)
{
pdf_gstate *gstate = csi->gstate + csi->gtop;
fz_text *text;
int dofill = 0;
int dostroke = 0;
int doclip = 0;
int doinvisible = 0;
fz_rect bbox;
if (!csi->text)
return;
text = csi->text;
csi->text = nil;
dofill = dostroke = doclip = doinvisible = 0;
switch (csi->textmode)
{
case 0: dofill = 1; break;
case 1: dostroke = 1; break;
case 2: dofill = dostroke = 1; break;
case 3: doinvisible = 1; break;
case 4: dofill = doclip = 1; break;
case 5: dostroke = doclip = 1; break;
case 6: dofill = dostroke = doclip = 1; break;
case 7: doclip = 1; break;
}
bbox = fz_boundtext(text, gstate->ctm);
pdf_begingroup(csi, bbox);
if (doinvisible)
csi->dev->ignoretext(csi->dev->user, text, gstate->ctm);
if (doclip)
{
if (csi->accumulate < 2)
gstate->clipdepth++;
csi->dev->cliptext(csi->dev->user, text, gstate->ctm, csi->accumulate);
csi->accumulate = 2;
}
if (dofill)
{
switch (gstate->fill.kind)
{
case PDF_MNONE:
break;
case PDF_MCOLOR:
csi->dev->filltext(csi->dev->user, text, gstate->ctm,
gstate->fill.colorspace, gstate->fill.v, gstate->fill.alpha);
break;
case PDF_MPATTERN:
if (gstate->fill.pattern)
{
csi->dev->cliptext(csi->dev->user, text, gstate->ctm, 0);
pdf_showpattern(csi, gstate->fill.pattern, bbox, PDF_MFILL);
csi->dev->popclip(csi->dev->user);
}
break;
case PDF_MSHADE:
if (gstate->fill.shade)
{
csi->dev->cliptext(csi->dev->user, text, gstate->ctm, 0);
csi->dev->fillshade(csi->dev->user, gstate->fill.shade, csi->topctm, gstate->fill.alpha);
csi->dev->popclip(csi->dev->user);
}
break;
}
}
if (dostroke)
{
switch (gstate->stroke.kind)
{
case PDF_MNONE:
break;
case PDF_MCOLOR:
csi->dev->stroketext(csi->dev->user, text, &gstate->strokestate, gstate->ctm,
gstate->stroke.colorspace, gstate->stroke.v, gstate->stroke.alpha);
break;
case PDF_MPATTERN:
if (gstate->stroke.pattern)
{
csi->dev->clipstroketext(csi->dev->user, text, &gstate->strokestate, gstate->ctm);
pdf_showpattern(csi, gstate->stroke.pattern, bbox, PDF_MFILL);
csi->dev->popclip(csi->dev->user);
}
break;
case PDF_MSHADE:
if (gstate->stroke.shade)
{
csi->dev->clipstroketext(csi->dev->user, text, &gstate->strokestate, gstate->ctm);
csi->dev->fillshade(csi->dev->user, gstate->stroke.shade, csi->topctm, gstate->stroke.alpha);
csi->dev->popclip(csi->dev->user);
}
break;
}
}
pdf_endgroup(csi);
fz_freetext(text);
}