fz_error
fz_rendert3glyph(fz_glyph *glyph, fz_font *font, int gid, fz_matrix trm)
{
fz_error error;
fz_renderer *gc;
fz_tree *tree;
fz_matrix ctm;
fz_irect bbox;
/* TODO: make it reentrant */
static fz_pixmap *pixmap = nil;
if (pixmap)
{
fz_droppixmap(pixmap);
pixmap = nil;
}
if (gid < 0 || gid > 255)
return fz_throw("assert: glyph out of range");
tree = font->t3procs[gid];
if (!tree)
{
glyph->w = 0;
glyph->h = 0;
return fz_okay;
}
ctm = fz_concat(font->t3matrix, trm);
bbox = fz_roundrect(fz_boundtree(tree, ctm));
error = fz_newrenderer(&gc, pdf_devicegray, 1, 4096);
if (error)
return fz_rethrow(error, "cannot create renderer");
error = fz_rendertree(&pixmap, gc, tree, ctm, bbox, 0);
fz_droprenderer(gc);
if (error)
return fz_rethrow(error, "cannot render glyph");
assert(pixmap->n == 1);
glyph->x = pixmap->x;
glyph->y = pixmap->y;
glyph->w = pixmap->w;
glyph->h = pixmap->h;
glyph->samples = pixmap->samples;
return fz_okay;
}
static fz_error *
t3render(fz_glyph *glyph, fz_font *fzfont, int cid, fz_matrix trm)
{
pdf_font *font = (pdf_font*)fzfont;
fz_error *error;
fz_renderer *gc;
fz_tree *tree;
fz_pixmap *pixmap;
fz_matrix ctm;
fz_irect bbox;
if (cid < 0 || cid > 255)
return fz_throw("assert: glyph out of range");
tree = font->charprocs[cid];
if (!tree)
{
glyph->w = 0;
glyph->h = 0;
return fz_okay;
}
ctm = fz_concat(font->matrix, trm);
bbox = fz_roundrect(fz_boundtree(tree, ctm));
error = fz_newrenderer(&gc, pdf_devicegray, 1, GCMEM);
if (error)
return fz_rethrow(error, "cannot create renderer");
error = fz_rendertree(&pixmap, gc, tree, ctm, bbox, 0);
fz_droprenderer(gc);
if (error)
return fz_rethrow(error, "cannot render glyph");
assert(pixmap->n == 1);
glyph->x = pixmap->x;
glyph->y = pixmap->y;
glyph->w = pixmap->w;
glyph->h = pixmap->h;
glyph->samples = pixmap->samples;
return fz_okay;
}
fz_rect
fz_boundlinknode(fz_linknode *node, fz_matrix ctm)
{
return fz_boundtree(node->tree, ctm);
}
