void pdfapp_close(pdfapp_t *app)
{
if (app->cache)
fz_freeglyphcache(app->cache);
app->cache = nil;
if (app->page)
pdf_droppage(app->page);
app->page = nil;
if (app->image)
fz_droppixmap(app->image);
app->image = nil;
if (app->text)
fz_freetextspan(app->text);
app->text = nil;
if (app->outline)
pdf_dropoutline(app->outline);
app->outline = nil;
if (app->xref->store)
pdf_dropstore(app->xref->store);
app->xref->store = nil;
pdf_closexref(app->xref);
app->xref = nil;
}
fz_pixmap *
fz_rendert3glyph(fz_font *font, int gid, fz_matrix trm)
{
fz_error error;
fz_matrix ctm;
fz_buffer *contents;
fz_bbox bbox;
fz_device *dev;
fz_glyphcache *cache;
fz_pixmap *glyph;
fz_pixmap *result;
if (gid < 0 || gid > 255)
return NULL;
contents = font->t3procs[gid];
if (!contents)
return NULL;
ctm = fz_concat(font->t3matrix, trm);
dev = fz_newbboxdevice(&bbox);
error = font->t3run(font->t3xref, font->t3resources, contents, dev, ctm);
if (error)
fz_catch(error, "cannot draw type3 glyph");
fz_freedevice(dev);
glyph = fz_newpixmap(fz_devicegray, bbox.x0-1, bbox.y0-1, bbox.x1 - bbox.x0 + 1, bbox.y1 - bbox.y0 + 1);
fz_clearpixmap(glyph, 0);
cache = fz_newglyphcache();
dev = fz_newdrawdevice(cache, glyph);
error = font->t3run(font->t3xref, font->t3resources, contents, dev, ctm);
if (error)
fz_catch(error, "cannot draw type3 glyph");
fz_freedevice(dev);
fz_freeglyphcache(cache);
result = fz_alphafromgray(glyph, 0);
fz_droppixmap(glyph);
return result;
}