// cairo_public cairo_status_t
// cairo_font_face_status (cairo_font_face_t *font_face);
static int l_cairo_font_face_status(lua_State* L)
{
cairo_font_face_t *font_face = get_cairo_font_face_t (L, 1);
cairo_status_t v = cairo_font_face_status (font_face);
lua_pushinteger(L, v);
return 1;
}
/* PycairoFontFace_FromFontFace
* Create a new PycairoFontFace from a cairo_font_face_t
* font_face - a cairo_font_face_t to 'wrap' into a Python object.
* it is unreferenced if the PycairoFontFace creation fails
* Return value: New reference or NULL on failure
*/
PyObject *
PycairoFontFace_FromFontFace (cairo_font_face_t *font_face)
{
PyTypeObject *type = NULL;
PyObject *o;
assert (font_face != NULL);
if (Pycairo_Check_Status (cairo_font_face_status (font_face))) {
cairo_font_face_destroy (font_face);
return NULL;
}
switch (cairo_font_face_get_type (font_face)) {
case CAIRO_FONT_TYPE_TOY:
type = &PycairoToyFontFace_Type;
break;
default:
type = &PycairoFontFace_Type;
break;
}
o = type->tp_alloc (type, 0);
if (o == NULL)
cairo_font_face_destroy (font_face);
else
((PycairoFontFace *)o)->font_face = font_face;
return o;
}
static VALUE
cr_get_font_face (VALUE self)
{
cairo_font_face_t *face;
face = cairo_get_font_face (_SELF);
rb_cairo_check_status (cairo_font_face_status (face));
return CRFONTFACE2RVAL (face);
}
bool MCPDFPrintingDevice::create_cairo_font_from_custom_printer_font(const MCCustomPrinterFont &p_cp_font, cairo_font_face_t* &r_cairo_font)
{
bool t_success = true;
cairo_font_face_t *t_font;
t_font = cairo_quartz_font_face_create_for_atsu_font_id((ATSUFontID)(p_cp_font.handle));
t_success = (m_status = cairo_font_face_status(t_font)) == CAIRO_STATUS_SUCCESS;
if (t_success)
r_cairo_font = t_font;
return t_success;
}
SkTypeface* SkCreateTypefaceFromCairoFTFontWithFontconfig(cairo_scaled_font_t* scaledFont, FcPattern* pattern)
{
cairo_font_face_t* fontFace = cairo_scaled_font_get_font_face(scaledFont);
SkASSERT(cairo_font_face_status(fontFace) == CAIRO_STATUS_SUCCESS);
SkTypeface* typeface = reinterpret_cast<SkTypeface*>(cairo_font_face_get_user_data(fontFace, &kSkTypefaceKey));
if (typeface) {
typeface->ref();
} else {
CairoLockedFTFace faceLock(scaledFont);
if (FT_Face face = faceLock.getFace()) {
typeface = SkCairoFTTypeface::CreateTypeface(fontFace, face, pattern);
SkTypefaceCache::Add(typeface, typeface->fontStyle());
}
}
return typeface;
}
/* PycairoFontFace_FromFontFace
* Create a new PycairoFontFace from a cairo_font_face_t
* font_face - a cairo_font_face_t to 'wrap' into a Python object.
* it is unreferenced if the PycairoFontFace creation fails
* Return value: New reference or NULL on failure
*/
PyObject *
PycairoFontFace_FromFontFace (cairo_font_face_t *font_face)
{
PyObject *o;
assert (font_face != NULL);
if (Pycairo_Check_Status (cairo_font_face_status (font_face))) {
cairo_font_face_destroy (font_face);
return NULL;
}
o = PycairoFontFace_Type.tp_alloc (&PycairoFontFace_Type, 0);
if (o == NULL)
cairo_font_face_destroy (font_face);
else
((PycairoFontFace *)o)->font_face = font_face;
return o;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
FcPattern *pattern;
cairo_font_face_t *font_face;
cairo_font_extents_t font_extents;
cairo_font_options_t *font_options;
cairo_status_t status;
char *filename;
int face_count;
struct stat stat_buf;
xasprintf (&filename, "%s/%s", ctx->srcdir, FONT);
if (stat (filename, &stat_buf) || ! S_ISREG (stat_buf.st_mode)) {
cairo_test_log (ctx, "Error finding font: %s: file not found?\n", filename);
return CAIRO_TEST_FAILURE;
}
pattern = FcFreeTypeQuery ((unsigned char *)filename, 0, NULL, &face_count);
free (filename);
if (! pattern) {
cairo_test_log (ctx, "FcFreeTypeQuery failed.\n");
return cairo_test_status_from_status (ctx, CAIRO_STATUS_NO_MEMORY);
}
font_face = cairo_ft_font_face_create_for_pattern (pattern);
FcPatternDestroy (pattern);
status = cairo_font_face_status (font_face);
if (status) {
cairo_test_log (ctx, "Error creating font face for %s: %s\n",
filename,
cairo_status_to_string (status));
return cairo_test_status_from_status (ctx, status);
}
if (cairo_font_face_get_type (font_face) != CAIRO_FONT_TYPE_FT) {
cairo_test_log (ctx, "Unexpected value from cairo_font_face_get_type: %d (expected %d)\n",
cairo_font_face_get_type (font_face), CAIRO_FONT_TYPE_FT);
cairo_font_face_destroy (font_face);
return CAIRO_TEST_FAILURE;
}
cairo_set_font_face (cr, font_face);
cairo_font_face_destroy (font_face);
font_options = cairo_font_options_create ();
#define CHECK_FONT_EXTENTS(comment) do {\
cairo_test_status_t test_status; \
test_status = check_font_extents (ctx, cr, (comment)); \
if (test_status != CAIRO_TEST_SUCCESS) { \
cairo_font_options_destroy (font_options); \
return test_status; \
} \
} while (0)
cairo_font_extents (cr, &font_extents);
CHECK_FONT_EXTENTS ("default");
cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_ON);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON");
cairo_move_to (cr, 1, font_extents.ascent - 1);
cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); /* blue */
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_NONE");
cairo_show_text (cr, "the ");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_SLIGHT);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_SLIGHT");
cairo_show_text (cr, "quick ");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_MEDIUM);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_MEDIUM");
cairo_show_text (cr, "brown");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_FULL);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_ON HINT_STYLE_FULL");
cairo_show_text (cr, " fox");
/* Switch from show_text to text_path/fill to exercise bug #7889 */
cairo_text_path (cr, " jumps over a lazy dog");
cairo_fill (cr);
/* And test it rotated as well for the sake of bug #7888 */
cairo_translate (cr, width, height);
cairo_rotate (cr, M_PI);
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_DEFAULT);
cairo_font_options_set_hint_metrics (font_options, CAIRO_HINT_METRICS_OFF);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF");
cairo_move_to (cr, 1, font_extents.height - font_extents.descent - 1);
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_NONE");
cairo_show_text (cr, "the ");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_SLIGHT);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_SLIGHT");
cairo_show_text (cr, "quick");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_MEDIUM);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_MEDIUM");
cairo_show_text (cr, " brown");
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_FULL);
cairo_set_font_options (cr, font_options);
CHECK_FONT_EXTENTS ("HINT_METRICS_OFF HINT_STYLE_FULL");
cairo_show_text (cr, " fox");
cairo_text_path (cr, " jumps over");
cairo_text_path (cr, " a lazy dog");
cairo_fill (cr);
cairo_font_options_destroy (font_options);
return CAIRO_TEST_SUCCESS;
}
int lime_cairo_font_face_status (value handle) {
return cairo_font_face_status ((cairo_font_face_t*)val_data (handle));
}
int lime_cairo_font_face_status (double handle) {
return cairo_font_face_status ((cairo_font_face_t*)(intptr_t)handle);
}
PRUint32
gfxFT2FontBase::GetGlyph(PRUint32 aCharCode)
{
// FcFreeTypeCharIndex needs to lock the FT_Face and can end up searching
// through all the postscript glyph names in the font. Therefore use a
// lightweight cache, which is stored on the cairo_font_face_t.
cairo_font_face_t *face =
cairo_scaled_font_get_font_face(CairoScaledFont());
if (cairo_font_face_status(face) != CAIRO_STATUS_SUCCESS)
return 0;
// This cache algorithm and size is based on what is done in
// cairo_scaled_font_text_to_glyphs and pango_fc_font_real_get_glyph. I
// think the concept is that adjacent characters probably come mostly from
// one Unicode block. This assumption is probably not so valid with
// scripts with large character sets as used for East Asian languages.
struct CmapCacheSlot {
PRUint32 mCharCode;
PRUint32 mGlyphIndex;
};
const PRUint32 kNumSlots = 256;
static cairo_user_data_key_t sCmapCacheKey;
CmapCacheSlot *slots = static_cast<CmapCacheSlot*>
(cairo_font_face_get_user_data(face, &sCmapCacheKey));
if (!slots) {
// cairo's caches can keep some cairo_font_faces alive past our last
// destroy, so the destroy function (free) for the cache must be
// callable from cairo without any assumptions about what other
// modules have not been shutdown.
slots = static_cast<CmapCacheSlot*>
(calloc(kNumSlots, sizeof(CmapCacheSlot)));
if (!slots)
return 0;
cairo_status_t status =
cairo_font_face_set_user_data(face, &sCmapCacheKey, slots, free);
if (status != CAIRO_STATUS_SUCCESS) { // OOM
free(slots);
return 0;
}
// Invalidate slot 0 by setting its char code to something that would
// never end up in slot 0. All other slots are already invalid
// because they have mCharCode = 0 and a glyph for char code 0 will
// always be in the slot 0.
slots[0].mCharCode = 1;
}
CmapCacheSlot *slot = &slots[aCharCode % kNumSlots];
if (slot->mCharCode != aCharCode) {
slot->mCharCode = aCharCode;
slot->mGlyphIndex = gfxFT2LockedFace(this).GetGlyph(aCharCode);
}
return slot->mGlyphIndex;
}
cairo_scaled_font_t *
_pango_cairo_font_private_get_scaled_font (PangoCairoFontPrivate *cf_priv)
{
cairo_font_face_t *font_face;
if (G_LIKELY (cf_priv->scaled_font))
return cf_priv->scaled_font;
/* need to create it */
if (G_UNLIKELY (cf_priv->data == NULL))
{
/* we have tried to create and failed before */
return NULL;
}
font_face = (* PANGO_CAIRO_FONT_GET_IFACE (cf_priv->cfont)->create_font_face) (cf_priv->cfont);
if (G_UNLIKELY (font_face == NULL))
goto done;
cf_priv->scaled_font = cairo_scaled_font_create (font_face,
&cf_priv->data->font_matrix,
&cf_priv->data->ctm,
cf_priv->data->options);
cairo_font_face_destroy (font_face);
done:
if (G_UNLIKELY (cf_priv->scaled_font == NULL || cairo_scaled_font_status (cf_priv->scaled_font) != CAIRO_STATUS_SUCCESS))
{
cairo_scaled_font_t *scaled_font = cf_priv->scaled_font;
PangoFont *font = PANGO_FONT (cf_priv->cfont);
static GQuark warned_quark = 0;
if (!warned_quark)
warned_quark = g_quark_from_static_string ("pangocairo-scaledfont-warned");
if (!g_object_get_qdata (G_OBJECT (font), warned_quark))
{
PangoFontDescription *desc;
char *s;
desc = pango_font_describe (font);
s = pango_font_description_to_string (desc);
pango_font_description_free (desc);
g_warning ("failed to create cairo %s, expect ugly output. the offending font is '%s'",
font_face ? "scaled font" : "font face",
s);
if (!font_face)
g_warning ("font_face is NULL");
else
g_warning ("font_face status is: %s",
cairo_status_to_string (cairo_font_face_status (font_face)));
if (!scaled_font)
g_warning ("scaled_font is NULL");
else
g_warning ("scaled_font status is: %s",
cairo_status_to_string (cairo_scaled_font_status (scaled_font)));
g_free (s);
g_object_set_qdata_full (G_OBJECT (font), warned_quark,
GINT_TO_POINTER (1), NULL);
}
}
_pango_cairo_font_private_scaled_font_data_destroy (cf_priv->data);
cf_priv->data = NULL;
return cf_priv->scaled_font;
}
proto long CairoFontFace->status()
Returns the current integer status of the CairoFontFace */
PHP_FUNCTION(cairo_font_face_status)
{
zval *font_face_zval = NULL;
cairo_font_face_object *font_face_object;
PHP_CAIRO_ERROR_HANDLING(FALSE)
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &font_face_zval, cairo_ce_cairofontface) == FAILURE) {
PHP_CAIRO_RESTORE_ERRORS(FALSE)
return;
}
PHP_CAIRO_RESTORE_ERRORS(FALSE)
font_face_object = (cairo_font_face_object *) cairo_font_face_object_get(font_face_zval TSRMLS_CC);
RETURN_LONG(cairo_font_face_status(font_face_object->font_face));
}
/* }}} */
/* {{{ proto long cairo_font_face_get_type(CairoFontFace object)
proto long CairoFontFace->getType()
Returns the current integer type of the CairoFontFace backend */
PHP_FUNCTION(cairo_font_face_get_type)
{
zval *font_face_zval = NULL;
cairo_font_face_object *font_face_object;
PHP_CAIRO_ERROR_HANDLING(FALSE)
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &font_face_zval, cairo_ce_cairofontface) == FAILURE) {
PHP_CAIRO_RESTORE_ERRORS(FALSE)
return;
static inline void
cr_font_face_check_status (cairo_font_face_t *face)
{
rb_cairo_check_status (cairo_font_face_status (face));
}
