cairo_int_status_t
_cairo_gl_composite_glyphs (void *_dst,
cairo_operator_t op,
cairo_surface_t *_src,
int src_x,
int src_y,
int dst_x,
int dst_y,
cairo_composite_glyphs_info_t *info)
{
cairo_gl_surface_t *dst = _dst;
cairo_bool_t has_component_alpha;
int i;
TRACE ((stderr, "%s\n", __FUNCTION__));
/* If any of the glyphs are component alpha, we have to go through a mask,
* since only _cairo_gl_surface_composite() currently supports component
* alpha.
*/
if (!dst->base.is_clear && ! info->use_mask && op != CAIRO_OPERATOR_OVER) {
for (i = 0; i < info->num_glyphs; i++) {
cairo_scaled_glyph_t *scaled_glyph;
if (_cairo_scaled_glyph_lookup (info->font, info->glyphs[i].index,
CAIRO_SCALED_GLYPH_INFO_SURFACE,
&scaled_glyph) == CAIRO_INT_STATUS_SUCCESS &&
scaled_glyph->surface->format == CAIRO_FORMAT_ARGB32)
{
info->use_mask = TRUE;
break;
}
}
}
if (info->use_mask) {
return render_glyphs_via_mask (dst, dst_x, dst_y,
op, _src, info);
} else {
return render_glyphs (dst, dst_x, dst_y,
op, _src, info,
&has_component_alpha);
}
}
cairo_int_status_t
_cairo_gl_composite_glyphs_with_clip (void *_dst,
cairo_operator_t op,
cairo_surface_t *_src,
int src_x,
int src_y,
int dst_x,
int dst_y,
cairo_composite_glyphs_info_t *info,
cairo_clip_t *clip,
cairo_bool_t via_msaa_compositor)
{
cairo_gl_surface_t *dst = _dst;
cairo_bool_t has_component_alpha;
TRACE ((stderr, "%s\n", __FUNCTION__));
/* If any of the glyphs require component alpha, we have to go through
* a mask, since only _cairo_gl_surface_composite() currently supports
* component alpha.
*/
if (!dst->base.is_clear && ! info->use_mask && op != CAIRO_OPERATOR_OVER &&
(info->font->options.antialias == CAIRO_ANTIALIAS_SUBPIXEL ||
info->font->options.antialias == CAIRO_ANTIALIAS_BEST))
{
info->use_mask = TRUE;
}
if (info->use_mask) {
return render_glyphs_via_mask (dst, dst_x, dst_y,
op, _src, info, clip,
via_msaa_compositor);
} else {
return render_glyphs (dst, dst_x, dst_y,
op, _src, info,
&has_component_alpha,
clip,
via_msaa_compositor);
}
}
