void setCairoFontOptionsFromFontConfigPattern(cairo_font_options_t* options, FcPattern* pattern)
{
FcBool booleanResult;
int integerResult;
if (FcPatternGetInteger(pattern, FC_RGBA, 0, &integerResult) == FcResultMatch) {
cairo_font_options_set_subpixel_order(options, convertFontConfigSubpixelOrder(integerResult));
// Based on the logic in cairo-ft-font.c in the cairo source, a font with
// a subpixel order implies that is uses subpixel antialiasing.
if (integerResult != FC_RGBA_NONE)
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_SUBPIXEL);
}
if (FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &booleanResult) == FcResultMatch) {
// Only override the anti-aliasing setting if was previously turned off. Otherwise
// we'll override the preference which decides between gray anti-aliasing and
// subpixel anti-aliasing.
if (!booleanResult)
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_NONE);
else if (cairo_font_options_get_antialias(options) == CAIRO_ANTIALIAS_NONE)
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_GRAY);
}
if (FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &integerResult) == FcResultMatch)
cairo_font_options_set_hint_style(options, convertFontConfigHintStyle(integerResult));
if (FcPatternGetBool(pattern, FC_HINTING, 0, &booleanResult) == FcResultMatch && !booleanResult)
cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE);
}
static void
ar_card_theme_kde_paint_card (ArCardTheme *card_theme,
cairo_t *cr,
int card_id)
{
ArCardThemePreimage *preimage_card_theme = (ArCardThemePreimage *) card_theme;
ArCardThemeKDE *theme = (ArCardThemeKDE *) card_theme;
ArSvg *svg = preimage_card_theme->cards_svg;
char node[32];
cairo_rectangle_t *card_extents;
cairo_matrix_t matrix;
cairo_font_options_t *font_options;
if (G_UNLIKELY (card_id == AR_CARD_SLOT)) {
ar_svg_render_cairo (preimage_card_theme->slot_preimage,
cr,
preimage_card_theme->card_size.width,
preimage_card_theme->card_size.height);
return;
}
if (theme->legacy)
ar_card_get_legacy_node_by_id_snprintf (node, sizeof (node), card_id);
else
ar_card_get_node_by_id_snprintf (node, sizeof (node), card_id);
card_extents = ar_card_theme_kde_get_card_extents (theme, card_id, node);
if (!card_extents)
return;
cairo_save (cr);
font_options = ar_svg_get_font_options (svg);
if (font_options) {
cairo_set_antialias (cr, cairo_font_options_get_antialias (font_options));
cairo_set_font_options (cr, font_options);
}
cairo_matrix_init_identity (&matrix);
cairo_matrix_scale (&matrix,
preimage_card_theme->card_size.width / card_extents->width,
preimage_card_theme->card_size.height / card_extents->height);
cairo_matrix_translate (&matrix, -card_extents->x, -card_extents->y);
cairo_set_matrix (cr, &matrix);
rsvg_handle_render_cairo_sub (RSVG_HANDLE (svg), cr, node);
cairo_restore (cr);
}
void
ScaledFontBase::GetGlyphDesignMetrics(const uint16_t* aGlyphs, uint32_t aNumGlyphs, GlyphMetrics* aGlyphMetrics)
{
#ifdef USE_CAIRO_SCALED_FONT
if (mScaledFont) {
for (uint32_t i = 0; i < aNumGlyphs; i++) {
cairo_glyph_t glyph;
cairo_text_extents_t extents;
glyph.index = aGlyphs[i];
glyph.x = 0;
glyph.y = 0;
cairo_scaled_font_glyph_extents(mScaledFont, &glyph, 1, &extents);
aGlyphMetrics[i].mXBearing = extents.x_bearing;
aGlyphMetrics[i].mXAdvance = extents.x_advance;
aGlyphMetrics[i].mYBearing = extents.y_bearing;
aGlyphMetrics[i].mYAdvance = extents.y_advance;
aGlyphMetrics[i].mWidth = extents.width;
aGlyphMetrics[i].mHeight = extents.height;
cairo_font_options_t *options = cairo_font_options_create();
cairo_scaled_font_get_font_options(mScaledFont, options);
if (cairo_font_options_get_antialias(options) != CAIRO_ANTIALIAS_NONE) {
if (cairo_scaled_font_get_type(mScaledFont) == CAIRO_FONT_TYPE_WIN32) {
if (aGlyphMetrics[i].mWidth > 0 && aGlyphMetrics[i].mHeight > 0) {
aGlyphMetrics[i].mWidth -= 3.0f;
aGlyphMetrics[i].mXBearing += 1.0f;
}
}
#if defined(MOZ2D_HAS_MOZ_CAIRO) && defined(CAIRO_HAS_DWRITE_FONT)
else if (cairo_scaled_font_get_type(mScaledFont) == CAIRO_FONT_TYPE_DWRITE) {
if (aGlyphMetrics[i].mWidth > 0 && aGlyphMetrics[i].mHeight > 0) {
aGlyphMetrics[i].mWidth -= 2.0f;
aGlyphMetrics[i].mXBearing += 1.0f;
}
}
#endif
}
cairo_font_options_destroy(options);
}
}
#endif
// Don't know how to get the glyph metrics...
MOZ_CRASH("The specific backend type is not supported for GetGlyphDesignMetrics.");
}
int lime_cairo_font_options_get_antialias (value handle) {
return cairo_font_options_get_antialias ((cairo_font_options_t*)val_data (handle));
}
static PyObject *
font_options_get_antialias (PycairoFontOptions *o)
{
return PyInt_FromLong (cairo_font_options_get_antialias (o->font_options));
}
int lime_cairo_font_options_get_antialias (double handle) {
return cairo_font_options_get_antialias ((cairo_font_options_t*)(intptr_t)handle);
}
int32_t FontOptions::getAntiAlias()
{
return static_cast<int32_t>( cairo_font_options_get_antialias( mCairoFontOptions ) );
}
static VALUE
cr_options_get_antialias (VALUE self)
{
return INT2NUM (cairo_font_options_get_antialias (_SELF (self)));
}
IoObject *IoCairoFontOptions_getAntialias(IoCairoFontOptions *self, IoObject *locals, IoMessage *m)
{
return IONUMBER(cairo_font_options_get_antialias(OPTIONS(self)));
}