cairo_status_t
_cairo_scaled_font_subsets_map_glyph (cairo_scaled_font_subsets_t *subsets,
cairo_scaled_font_t *scaled_font,
unsigned long scaled_font_glyph_index,
const char * utf8,
int utf8_len,
cairo_scaled_font_subsets_glyph_t *subset_glyph)
{
cairo_sub_font_t key, *sub_font;
cairo_scaled_glyph_t *scaled_glyph;
cairo_font_face_t *font_face;
cairo_matrix_t identity;
cairo_font_options_t font_options;
cairo_scaled_font_t *unscaled_font;
cairo_int_status_t status;
int max_glyphs;
cairo_bool_t type1_font;
/* Lookup glyph in unscaled subsets */
if (subsets->type != CAIRO_SUBSETS_SCALED) {
key.is_scaled = FALSE;
_cairo_sub_font_init_key (&key, scaled_font);
sub_font = _cairo_hash_table_lookup (subsets->unscaled_sub_fonts,
&key.base);
if (sub_font != NULL) {
status = _cairo_sub_font_lookup_glyph (sub_font,
scaled_font_glyph_index,
utf8, utf8_len,
subset_glyph);
if (status != CAIRO_INT_STATUS_UNSUPPORTED)
return status;
}
}
/* Lookup glyph in scaled subsets */
key.is_scaled = TRUE;
_cairo_sub_font_init_key (&key, scaled_font);
sub_font = _cairo_hash_table_lookup (subsets->scaled_sub_fonts,
&key.base);
if (sub_font != NULL) {
status = _cairo_sub_font_lookup_glyph (sub_font,
scaled_font_glyph_index,
utf8, utf8_len,
subset_glyph);
if (status != CAIRO_INT_STATUS_UNSUPPORTED)
return status;
}
/* Glyph not found. Determine whether the glyph is outline or
* bitmap and add to the appropriate subset.
*
* glyph_index 0 (the .notdef glyph) is a special case. Some fonts
* will return CAIRO_INT_STATUS_UNSUPPORTED when doing a
* _scaled_glyph_lookup(_GLYPH_INFO_PATH). Type1-fallback creates
* empty glyphs in this case so we can put the glyph in a unscaled
* subset. */
if (scaled_font_glyph_index == 0 ||
_cairo_font_face_is_user (scaled_font->font_face)) {
status = CAIRO_STATUS_SUCCESS;
} else {
_cairo_scaled_font_freeze_cache (scaled_font);
status = _cairo_scaled_glyph_lookup (scaled_font,
scaled_font_glyph_index,
CAIRO_SCALED_GLYPH_INFO_PATH,
&scaled_glyph);
_cairo_scaled_font_thaw_cache (scaled_font);
}
if (_cairo_int_status_is_error (status))
return status;
if (status == CAIRO_INT_STATUS_SUCCESS &&
subsets->type != CAIRO_SUBSETS_SCALED &&
! _cairo_font_face_is_user (scaled_font->font_face))
{
/* Path available. Add to unscaled subset. */
key.is_scaled = FALSE;
_cairo_sub_font_init_key (&key, scaled_font);
sub_font = _cairo_hash_table_lookup (subsets->unscaled_sub_fonts,
&key.base);
if (sub_font == NULL) {
font_face = cairo_scaled_font_get_font_face (scaled_font);
cairo_matrix_init_identity (&identity);
_cairo_font_options_init_default (&font_options);
cairo_font_options_set_hint_style (&font_options, CAIRO_HINT_STYLE_NONE);
cairo_font_options_set_hint_metrics (&font_options, CAIRO_HINT_METRICS_OFF);
unscaled_font = cairo_scaled_font_create (font_face,
&identity,
&identity,
&font_options);
if (unlikely (unscaled_font->status))
return unscaled_font->status;
subset_glyph->is_scaled = FALSE;
type1_font = _cairo_type1_scaled_font_is_type1 (unscaled_font);
if (subsets->type == CAIRO_SUBSETS_COMPOSITE && !type1_font) {
max_glyphs = MAX_GLYPHS_PER_COMPOSITE_FONT;
subset_glyph->is_composite = TRUE;
} else {
max_glyphs = MAX_GLYPHS_PER_SIMPLE_FONT;
subset_glyph->is_composite = FALSE;
}
status = _cairo_sub_font_create (subsets,
unscaled_font,
subsets->num_sub_fonts,
max_glyphs,
subset_glyph->is_scaled,
subset_glyph->is_composite,
&sub_font);
if (unlikely (status)) {
cairo_scaled_font_destroy (unscaled_font);
return status;
}
status = _cairo_hash_table_insert (subsets->unscaled_sub_fonts,
&sub_font->base);
if (unlikely (status)) {
_cairo_sub_font_destroy (sub_font);
return status;
}
if (!subsets->unscaled_sub_fonts_list)
subsets->unscaled_sub_fonts_list = sub_font;
else
subsets->unscaled_sub_fonts_list_end->next = sub_font;
subsets->unscaled_sub_fonts_list_end = sub_font;
subsets->num_sub_fonts++;
}
} else {
/* No path available. Add to scaled subset. */
key.is_scaled = TRUE;
_cairo_sub_font_init_key (&key, scaled_font);
sub_font = _cairo_hash_table_lookup (subsets->scaled_sub_fonts,
&key.base);
if (sub_font == NULL) {
subset_glyph->is_scaled = TRUE;
subset_glyph->is_composite = FALSE;
if (subsets->type == CAIRO_SUBSETS_SCALED)
max_glyphs = INT_MAX;
else
max_glyphs = MAX_GLYPHS_PER_SIMPLE_FONT;
status = _cairo_sub_font_create (subsets,
cairo_scaled_font_reference (scaled_font),
subsets->num_sub_fonts,
max_glyphs,
subset_glyph->is_scaled,
subset_glyph->is_composite,
&sub_font);
if (unlikely (status)) {
cairo_scaled_font_destroy (scaled_font);
return status;
}
status = _cairo_hash_table_insert (subsets->scaled_sub_fonts,
&sub_font->base);
if (unlikely (status)) {
_cairo_sub_font_destroy (sub_font);
return status;
}
if (!subsets->scaled_sub_fonts_list)
subsets->scaled_sub_fonts_list = sub_font;
else
subsets->scaled_sub_fonts_list_end->next = sub_font;
subsets->scaled_sub_fonts_list_end = sub_font;
subsets->num_sub_fonts++;
}
}
return _cairo_sub_font_map_glyph (sub_font,
scaled_font_glyph_index,
utf8, utf8_len,
subset_glyph);
}
FontPlatformData& FontPlatformData::operator=(const FontPlatformData& other)
{
// Check for self-assignment.
if (this == &other)
return *this;
m_size = other.m_size;
m_syntheticBold = other.m_syntheticBold;
m_syntheticOblique = other.m_syntheticOblique;
if (other.m_scaledFont)
cairo_scaled_font_reference(other.m_scaledFont);
if (m_scaledFont)
cairo_scaled_font_destroy(m_scaledFont);
m_scaledFont = other.m_scaledFont;
if (other.m_font)
g_object_ref(other.m_font);
if (m_font)
g_object_unref(m_font);
m_font = other.m_font;
if (other.m_context)
g_object_ref(other.m_context);
if (m_context)
g_object_unref(m_context);
m_context = other.m_context;
return *this;
}
static cairo_status_t
_cairo_default_context_set_scaled_font (void *abstract_cr,
cairo_scaled_font_t *scaled_font)
{
cairo_default_context_t *cr = abstract_cr;
cairo_bool_t was_previous;
cairo_status_t status;
if (scaled_font == cr->gstate->scaled_font)
return CAIRO_STATUS_SUCCESS;
was_previous = scaled_font == cr->gstate->previous_scaled_font;
status = _cairo_gstate_set_font_face (cr->gstate, scaled_font->font_face);
if (unlikely (status))
return status;
status = _cairo_gstate_set_font_matrix (cr->gstate, &scaled_font->font_matrix);
if (unlikely (status))
return status;
_cairo_gstate_set_font_options (cr->gstate, &scaled_font->options);
if (was_previous)
cr->gstate->scaled_font = cairo_scaled_font_reference (scaled_font);
return CAIRO_STATUS_SUCCESS;
}
FontPlatformData& FontPlatformData::operator=(const FontPlatformData& other)
{
// Check for self-assignment.
if (this == &other)
return *this;
m_font = other.m_font;
m_size = other.m_size;
m_syntheticBold = other.m_syntheticBold;
m_syntheticOblique = other.m_syntheticOblique;
m_useGDI = other.m_useGDI;
if (other.m_fontFace)
cairo_font_face_reference(other.m_fontFace);
if (m_fontFace)
cairo_font_face_destroy(m_fontFace);
m_fontFace = other.m_fontFace;
if (other.m_scaledFont)
cairo_scaled_font_reference(other.m_scaledFont);
if (m_scaledFont)
cairo_scaled_font_destroy(m_scaledFont);
m_scaledFont = other.m_scaledFont;
return *this;
}
CairoFont::CairoFont(cairo_scaled_font_t* fontface)
{
mFontFace=fontface;
cairo_scaled_font_reference(mFontFace);
cairo_scaled_font_extents(mFontFace,&mFontExtents);
SetFontColor(Color(0,0,0,255));
}
static struct text_layout *
text_layout_create(void)
{
struct text_layout *layout;
cairo_surface_t *surface;
cairo_t *cr;
layout = malloc(sizeof *layout);
if (!layout)
return NULL;
layout->glyphs = NULL;
layout->num_glyphs = 0;
layout->clusters = NULL;
layout->num_clusters = 0;
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0);
cr = cairo_create(surface);
cairo_set_font_size(cr, font_size);
cairo_select_font_face(cr, font_name, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
layout->font = cairo_get_scaled_font(cr);
cairo_scaled_font_reference(layout->font);
cairo_destroy(cr);
cairo_surface_destroy(surface);
return layout;
}
FontPlatformData& FontPlatformData::operator=(const FontPlatformData& other)
{
// Check for self-assignment.
if (this == &other)
return *this;
m_size = other.m_size;
m_syntheticBold = other.m_syntheticBold;
m_syntheticOblique = other.m_syntheticOblique;
m_fixedWidth = other.m_fixedWidth;
m_pattern = other.m_pattern;
m_orientation = other.m_orientation;
m_horizontalOrientationMatrix = other.m_horizontalOrientationMatrix;
if (m_fallbacks) {
FcFontSetDestroy(m_fallbacks);
// This will be re-created on demand.
m_fallbacks = 0;
}
if (m_scaledFont && m_scaledFont != hashTableDeletedFontValue())
cairo_scaled_font_destroy(m_scaledFont);
m_scaledFont = cairo_scaled_font_reference(other.m_scaledFont);
m_harfBuzzFace = other.m_harfBuzzFace;
return *this;
}
void
ScaledFontBase::SetCairoScaledFont(cairo_scaled_font_t* font)
{
MOZ_ASSERT(!mScaledFont);
mScaledFont = font;
cairo_scaled_font_reference(mScaledFont);
}
static int
cr_get_scaled_font (lua_State *L) {
cairo_t **obj = luaL_checkudata(L, 1, OOCAIRO_MT_NAME_CONTEXT);
cairo_scaled_font_t **font = create_scaledfont_userdata(L);
*font = cairo_get_scaled_font(*obj);
cairo_scaled_font_reference(*font);
return 1;
}
void FontPlatformData::platformDataInit(const FontPlatformData& source)
{
m_font = source.m_font;
m_useGDI = source.m_useGDI;
m_scaledFont = 0;
if (source.m_scaledFont)
m_scaledFont = cairo_scaled_font_reference(source.m_scaledFont);
}
gfxFT2FontBase::gfxFT2FontBase(cairo_scaled_font_t *aScaledFont,
gfxFontEntry *aFontEntry,
const gfxFontStyle *aFontStyle)
: gfxFont(aFontEntry, aFontStyle),
mScaledFont(aScaledFont),
mSpaceGlyph(0),
mHasMetrics(PR_FALSE)
{
cairo_scaled_font_reference(mScaledFont);
}
/**
* cairo_scaled_font_create:
* @font_face: a #cairo_font_face_t
* @font_matrix: font space to user space transformation matrix for the
* font. In the simplest case of a N point font, this matrix is
* just a scale by N, but it can also be used to shear the font
* or stretch it unequally along the two axes. See
* cairo_set_font_matrix().
* @ctm: user to device transformation matrix with which the font will
* be used.
* @options: options to use when getting metrics for the font and
* rendering with it.
*
* Creates a #cairo_scaled_font_t object from a font face and matrices that
* describe the size of the font and the environment in which it will
* be used.
*
* Return value: a newly created #cairo_scaled_font_t. Destroy with
* cairo_scaled_font_destroy()
**/
cairo_scaled_font_t *
cairo_scaled_font_create (cairo_font_face_t *font_face,
const cairo_matrix_t *font_matrix,
const cairo_matrix_t *ctm,
const cairo_font_options_t *options)
{
cairo_status_t status;
cairo_scaled_font_map_t *font_map;
cairo_scaled_font_t key, *scaled_font = NULL;
if (font_face->status)
return (cairo_scaled_font_t *)&_cairo_scaled_font_nil;
font_map = _cairo_scaled_font_map_lock ();
if (font_map == NULL)
goto UNWIND;
_cairo_scaled_font_init_key (&key, font_face,
font_matrix, ctm, options);
/* Return existing scaled_font if it exists in the hash table. */
if (_cairo_hash_table_lookup (font_map->hash_table, &key.hash_entry,
(cairo_hash_entry_t**) &scaled_font))
{
_cairo_scaled_font_map_unlock ();
return cairo_scaled_font_reference (scaled_font);
}
/* Otherwise create it and insert it into the hash table. */
status = font_face->backend->scaled_font_create (font_face, font_matrix,
ctm, options, &scaled_font);
if (status)
goto UNWIND_FONT_MAP_LOCK;
status = _cairo_hash_table_insert (font_map->hash_table,
&scaled_font->hash_entry);
if (status)
goto UNWIND_SCALED_FONT_CREATE;
_cairo_scaled_font_map_unlock ();
return scaled_font;
UNWIND_SCALED_FONT_CREATE:
/* We can't call _cairo_scaled_font_destroy here since it expects
* that the font has already been successfully inserted into the
* hash table. */
_cairo_scaled_font_fini (scaled_font);
free (scaled_font);
UNWIND_FONT_MAP_LOCK:
_cairo_scaled_font_map_unlock ();
UNWIND:
return NULL;
}
const FontPlatformData& FontPlatformData::platformDataAssign(const FontPlatformData& other)
{
m_font = other.m_font;
m_useGDI = other.m_useGDI;
if (m_scaledFont && m_scaledFont != hashTableDeletedFontValue())
cairo_scaled_font_destroy(m_scaledFont);
m_scaledFont = cairo_scaled_font_reference(other.m_scaledFont);
return *this;
}
static cairo_int_status_t
_cairo_meta_surface_show_glyphs (cairo_scaled_font_t *scaled_font,
cairo_operator_t operator,
cairo_pattern_t *pattern,
void *abstract_surface,
int source_x,
int source_y,
int dest_x,
int dest_y,
unsigned int width,
unsigned int height,
const cairo_glyph_t *glyphs,
int num_glyphs)
{
cairo_meta_surface_t *meta = abstract_surface;
cairo_command_show_glyphs_t *command;
command = malloc (sizeof (cairo_command_show_glyphs_t));
if (command == NULL)
return CAIRO_STATUS_NO_MEMORY;
command->type = CAIRO_COMMAND_SHOW_GLYPHS;
command->scaled_font = cairo_scaled_font_reference (scaled_font);
command->operator = operator;
_cairo_pattern_init_copy (&command->pattern.base, pattern);
command->source_x = source_x;
command->source_y = source_y;
command->dest_x = dest_x;
command->dest_y = dest_y;
command->width = width;
command->height = height;
command->glyphs = malloc (sizeof (cairo_glyph_t) * num_glyphs);
if (command->glyphs == NULL) {
_cairo_pattern_fini (&command->pattern.base);
free (command);
return CAIRO_STATUS_NO_MEMORY;
}
memcpy (command->glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
command->num_glyphs = num_glyphs;
if (_cairo_array_append (&meta->commands, &command, 1) == NULL) {
_cairo_pattern_fini (&command->pattern.base);
free (command->glyphs);
free (command);
return CAIRO_STATUS_NO_MEMORY;
}
return CAIRO_STATUS_SUCCESS;
}
cairo_scaled_font_t* createScaledFontForFont(const wxFont* wxfont)
{
ASSERT(wxfont && wxfont->Ok());
cairo_scaled_font_t* scaledFont = NULL;
PangoFont* pangoFont = createPangoFontForFont(wxfont);
#if PANGO_VERSION_CHECK(1,18,0)
if (pangoFont)
scaledFont = cairo_scaled_font_reference(pango_cairo_font_get_scaled_font(PANGO_CAIRO_FONT(pangoFont)));
#endif
return scaledFont;
}
void
ScaledFontBase::SetCairoScaledFont(cairo_scaled_font_t* font)
{
MOZ_ASSERT(!mScaledFont);
if (font == mScaledFont)
return;
if (mScaledFont)
cairo_scaled_font_destroy(mScaledFont);
mScaledFont = font;
cairo_scaled_font_reference(mScaledFont);
}
FontPlatformData::FontPlatformData(const FontPlatformData& source)
: m_font(source.m_font)
, m_size(source.m_size)
, m_fontFace(0)
, m_scaledFont(0)
, m_syntheticBold(source.m_syntheticBold)
, m_syntheticOblique(source.m_syntheticOblique)
, m_useGDI(source.m_useGDI)
{
if (source.m_fontFace)
m_fontFace = cairo_font_face_reference(source.m_fontFace);
if (source.m_scaledFont)
m_scaledFont = cairo_scaled_font_reference(source.m_scaledFont);
}
static cairo_status_t
test_scaled_font_init (cairo_scaled_font_t *scaled_font,
cairo_t *cr,
cairo_font_extents_t *extents)
{
cairo_set_font_face (cr,
cairo_font_face_get_user_data (cairo_scaled_font_get_font_face (scaled_font),
&fallback_font_key));
cairo_scaled_font_set_user_data (scaled_font,
&fallback_font_key,
cairo_scaled_font_reference (cairo_get_scaled_font (cr)),
(cairo_destroy_func_t) cairo_scaled_font_destroy);
cairo_font_extents (cr, extents);
return CAIRO_STATUS_SUCCESS;
}
static cairo_time_t
do_hash_table (cairo_t *cr, int width, int height, int loops)
{
/*
* Microsoft C Compiler complains that:
* error C2466: cannot allocate an array of constant size 0
* so we add an unused element to make it happy
*/
cairo_scaled_font_t *active_fonts[ACTIVE_FONTS + 1];
cairo_matrix_t m;
int i;
cairo_matrix_init_identity (&m);
/* Touch HOLDOVERS scaled fonts to fill up the holdover list. */
for (i = 0; i < HOLDOVERS; i++) {
m.yy = m.xx * (i + 1);
cairo_set_font_matrix (cr, &m);
cairo_get_scaled_font (cr);
}
/*
* Reference some scaled fonts so that they will be kept in the
* scaled fonts map. We want LIVE_ENTRIES elements in the font
* map, but cairo keeps HOLDOVERS recently used fonts in it and we
* will be activating a new font in the cr context, so we just
* keep references to ACTIVE_FONTS fonts.
*
* Note: setting LIVE_ENTRIES == HOLDOVERS+1 means that we keep no
* font in active_fonts and the slowness is caused by the holdover
* fonts only.
*/
for (i = 0; i < ACTIVE_FONTS; i++) {
cairo_scaled_font_t *scaled_font;
m.yy = m.xx * (i + 1);
cairo_set_font_matrix (cr, &m);
scaled_font = cairo_get_scaled_font (cr);
active_fonts[i] = cairo_scaled_font_reference (scaled_font);
}
cairo_perf_timer_start ();
cairo_perf_set_thread_aware (cr, FALSE);
while (loops--) {
if (loops == 0)
cairo_perf_set_thread_aware (cr, TRUE);
m.xx += 1.0;
/* Generate ITER new scaled fonts per loop */
for (i = 0; i < ITER; i++) {
m.yy = m.xx * (i + 1);
cairo_set_font_matrix (cr, &m);
cairo_get_scaled_font (cr);
}
}
cairo_perf_timer_stop ();
for (i = 0; i < ACTIVE_FONTS; i++)
cairo_scaled_font_destroy (active_fonts[i]);
return cairo_perf_timer_elapsed ();
}
static PyObject *
pycairo_get_scaled_font (PycairoContext *o) {
return PycairoScaledFont_FromScaledFont (
cairo_scaled_font_reference (cairo_get_scaled_font (o->ctx)));
}
FontPlatformData::FontPlatformData(const FontDescription& fontDescription, const UChar *characters, int length)
: m_context(0)
, m_font(0)
, m_size(fontDescription.computedSize())
, m_syntheticBold(false)
, m_syntheticOblique(false)
, m_scaledFont(0)
{
FontPlatformData::init();
const UChar character = characters[0];
char const *family;
switch (fontDescription.genericFamily()) {
case FontDescription::SerifFamily:
family = "serif";
break;
case FontDescription::SansSerifFamily:
family = "sans";
break;
case FontDescription::MonospaceFamily:
family = "monospace";
break;
case FontDescription::NoFamily:
case FontDescription::StandardFamily:
default:
family = "sans";
break;
}
m_context = pango_cairo_font_map_create_context(PANGO_CAIRO_FONT_MAP(m_fontMap));
PangoFontDescription* description = pango_font_description_new();
pango_font_description_set_absolute_size(description, fontDescription.computedSize() * PANGO_SCALE);
if (fontDescription.weight() >= FontWeight600)
pango_font_description_set_weight(description, PANGO_WEIGHT_BOLD);
if (fontDescription.italic())
pango_font_description_set_style(description, PANGO_STYLE_ITALIC);
pango_font_description_set_family(description, family);
pango_context_set_font_description(m_context, description);
PangoFontset *fset = pango_font_map_load_fontset (m_fontMap, m_context, description, NULL);
// Get the font from the fontset which contains the best glyph for this character
m_font = pango_fontset_get_font(fset, (guint)character);
#if PANGO_VERSION_CHECK(1,18,0)
if (m_font)
m_scaledFont = cairo_scaled_font_reference(pango_cairo_font_get_scaled_font(PANGO_CAIRO_FONT(m_font)));
#else
// This compatibility code for older versions of Pango is not well-tested.
if (m_font) {
PangoFcFont* fcfont = PANGO_FC_FONT(m_font);
cairo_font_face_t* face = cairo_ft_font_face_create_for_pattern(fcfont->font_pattern);
double size;
if (FcPatternGetDouble(fcfont->font_pattern, FC_PIXEL_SIZE, 0, &size) != FcResultMatch)
size = 12.0;
cairo_matrix_t fontMatrix;
cairo_matrix_init_scale(&fontMatrix, size, size);
cairo_font_options_t* fontOptions;
if (pango_cairo_context_get_font_options(m_context))
fontOptions = cairo_font_options_copy(pango_cairo_context_get_font_options(m_context));
else
fontOptions = cairo_font_options_create();
cairo_matrix_t ctm;
cairo_matrix_init_identity(&ctm);
m_scaledFont = cairo_scaled_font_create(face, &fontMatrix, &ctm, fontOptions);
cairo_font_options_destroy(fontOptions);
cairo_font_face_destroy(face);
}
#endif
pango_font_description_free(description);
}
static cairo_int_status_t
_cairo_recording_surface_show_text_glyphs (void *abstract_surface,
cairo_operator_t op,
const cairo_pattern_t *source,
const char *utf8,
int utf8_len,
cairo_glyph_t *glyphs,
int num_glyphs,
const cairo_text_cluster_t *clusters,
int num_clusters,
cairo_text_cluster_flags_t cluster_flags,
cairo_scaled_font_t *scaled_font,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_recording_surface_t *recording_surface = abstract_surface;
cairo_command_show_text_glyphs_t *command;
command = malloc (sizeof (cairo_command_show_text_glyphs_t));
if (unlikely (command == NULL))
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
status = _command_init (recording_surface,
&command->header, CAIRO_COMMAND_SHOW_TEXT_GLYPHS,
op, clip);
if (unlikely (status))
goto CLEANUP_COMMAND;
status = _cairo_pattern_init_snapshot (&command->source.base, source);
if (unlikely (status))
goto CLEANUP_COMMAND;
command->utf8 = NULL;
command->utf8_len = utf8_len;
command->glyphs = NULL;
command->num_glyphs = num_glyphs;
command->clusters = NULL;
command->num_clusters = num_clusters;
if (utf8_len) {
command->utf8 = malloc (utf8_len);
if (unlikely (command->utf8 == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto CLEANUP_ARRAYS;
}
memcpy (command->utf8, utf8, utf8_len);
}
if (num_glyphs) {
command->glyphs = _cairo_malloc_ab (num_glyphs, sizeof (glyphs[0]));
if (unlikely (command->glyphs == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto CLEANUP_ARRAYS;
}
memcpy (command->glyphs, glyphs, sizeof (glyphs[0]) * num_glyphs);
}
if (num_clusters) {
command->clusters = _cairo_malloc_ab (num_clusters, sizeof (clusters[0]));
if (unlikely (command->clusters == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto CLEANUP_ARRAYS;
}
memcpy (command->clusters, clusters, sizeof (clusters[0]) * num_clusters);
}
command->cluster_flags = cluster_flags;
command->scaled_font = cairo_scaled_font_reference (scaled_font);
status = _cairo_array_append (&recording_surface->commands, &command);
if (unlikely (status))
goto CLEANUP_SCALED_FONT;
return CAIRO_STATUS_SUCCESS;
CLEANUP_SCALED_FONT:
cairo_scaled_font_destroy (command->scaled_font);
CLEANUP_ARRAYS:
free (command->utf8);
free (command->glyphs);
free (command->clusters);
_cairo_pattern_fini (&command->source.base);
CLEANUP_COMMAND:
_cairo_clip_fini (&command->header.clip);
free (command);
return status;
}
FontPlatformData::FontPlatformData(const FontDescription& fontDescription, const AtomicString& familyName)
: m_context(0)
, m_font(0)
, m_size(fontDescription.computedSize())
, m_syntheticBold(false)
, m_syntheticOblique(false)
, m_scaledFont(0)
{
FontPlatformData::init();
CString stored_family = familyName.string().utf8();
char const* families[] = {
stored_family.data(),
NULL
};
switch (fontDescription.genericFamily()) {
case FontDescription::SerifFamily:
families[1] = "serif";
break;
case FontDescription::SansSerifFamily:
families[1] = "sans";
break;
case FontDescription::MonospaceFamily:
families[1] = "monospace";
break;
case FontDescription::NoFamily:
case FontDescription::StandardFamily:
default:
families[1] = "sans";
break;
}
PangoFontDescription* description = pango_font_description_new();
pango_font_description_set_absolute_size(description, fontDescription.computedSize() * PANGO_SCALE);
// FIXME: Map all FontWeight values to Pango font weights.
if (fontDescription.weight() >= FontWeight600)
pango_font_description_set_weight(description, PANGO_WEIGHT_BOLD);
if (fontDescription.italic())
pango_font_description_set_style(description, PANGO_STYLE_ITALIC);
#if PANGO_VERSION_CHECK(1,21,5) // deprecated in 1.21
m_context = pango_font_map_create_context(m_fontMap);
#else
m_context = pango_cairo_font_map_create_context(PANGO_CAIRO_FONT_MAP(m_fontMap));
#endif
for (unsigned int i = 0; !m_font && i < G_N_ELEMENTS(families); i++) {
pango_font_description_set_family(description, families[i]);
pango_context_set_font_description(m_context, description);
m_font = pango_font_map_load_font(m_fontMap, m_context, description);
}
#if PANGO_VERSION_CHECK(1,18,0)
if (m_font)
m_scaledFont = cairo_scaled_font_reference(pango_cairo_font_get_scaled_font(PANGO_CAIRO_FONT(m_font)));
#else
// This compatibility code for older versions of Pango is not well-tested.
if (m_font) {
PangoFcFont* fcfont = PANGO_FC_FONT(m_font);
cairo_font_face_t* face = cairo_ft_font_face_create_for_pattern(fcfont->font_pattern);
double size;
if (FcPatternGetDouble(fcfont->font_pattern, FC_PIXEL_SIZE, 0, &size) != FcResultMatch)
size = 12.0;
cairo_matrix_t fontMatrix;
cairo_matrix_init_scale(&fontMatrix, size, size);
cairo_font_options_t* fontOptions;
if (pango_cairo_context_get_font_options(m_context))
fontOptions = cairo_font_options_copy(pango_cairo_context_get_font_options(m_context));
else
fontOptions = cairo_font_options_create();
cairo_matrix_t ctm;
cairo_matrix_init_identity(&ctm);
m_scaledFont = cairo_scaled_font_create(face, &fontMatrix, &ctm, fontOptions);
cairo_font_options_destroy(fontOptions);
cairo_font_face_destroy(face);
}
#endif
pango_font_description_free(description);
}
cairo_private cairo_status_t
_cairo_scaled_font_subsets_map_glyph (cairo_scaled_font_subsets_t *subsets,
cairo_scaled_font_t *scaled_font,
unsigned long scaled_font_glyph_index,
cairo_scaled_font_subsets_glyph_t *subset_glyph)
{
cairo_sub_font_t key, *sub_font;
cairo_scaled_glyph_t *scaled_glyph;
cairo_font_face_t *font_face;
cairo_matrix_t identity;
cairo_font_options_t font_options;
cairo_scaled_font_t *unscaled_font;
cairo_status_t status;
int max_glyphs;
cairo_bool_t type1_font;
/* Lookup glyph in unscaled subsets */
if (subsets->type != CAIRO_SUBSETS_SCALED) {
key.is_scaled = FALSE;
_cairo_sub_font_init_key (&key, scaled_font);
if (_cairo_hash_table_lookup (subsets->unscaled_sub_fonts, &key.base,
(cairo_hash_entry_t **) &sub_font))
{
status = _cairo_sub_font_lookup_glyph (sub_font,
scaled_font_glyph_index,
subset_glyph);
if (status == CAIRO_STATUS_SUCCESS)
return CAIRO_STATUS_SUCCESS;
}
}
/* Lookup glyph in scaled subsets */
key.is_scaled = TRUE;
_cairo_sub_font_init_key (&key, scaled_font);
if (_cairo_hash_table_lookup (subsets->scaled_sub_fonts, &key.base,
(cairo_hash_entry_t **) &sub_font))
{
status = _cairo_sub_font_lookup_glyph (sub_font,
scaled_font_glyph_index,
subset_glyph);
if (status == CAIRO_STATUS_SUCCESS)
return CAIRO_STATUS_SUCCESS;
}
/* Glyph not found. Determine whether the glyph is outline or
* bitmap and add to the appropriate subset */
status = _cairo_scaled_glyph_lookup (scaled_font,
scaled_font_glyph_index,
CAIRO_SCALED_GLYPH_INFO_PATH,
&scaled_glyph);
if (status && status != CAIRO_INT_STATUS_UNSUPPORTED)
return status;
if (status == 0 && subsets->type != CAIRO_SUBSETS_SCALED) {
/* Path available. Add to unscaled subset. */
key.is_scaled = FALSE;
_cairo_sub_font_init_key (&key, scaled_font);
if (! _cairo_hash_table_lookup (subsets->unscaled_sub_fonts, &key.base,
(cairo_hash_entry_t **) &sub_font))
{
font_face = cairo_scaled_font_get_font_face (scaled_font);
cairo_matrix_init_identity (&identity);
_cairo_font_options_init_default (&font_options);
cairo_font_options_set_hint_style (&font_options, CAIRO_HINT_STYLE_NONE);
cairo_font_options_set_hint_metrics (&font_options, CAIRO_HINT_METRICS_OFF);
unscaled_font = cairo_scaled_font_create (font_face,
&identity,
&identity,
&font_options);
if (unscaled_font->status)
return unscaled_font->status;
subset_glyph->is_scaled = FALSE;
type1_font = FALSE;
#if CAIRO_HAS_FT_FONT
type1_font = _cairo_type1_scaled_font_is_type1 (unscaled_font);
#endif
if (subsets->type == CAIRO_SUBSETS_COMPOSITE && !type1_font) {
max_glyphs = MAX_GLYPHS_PER_COMPOSITE_FONT;
subset_glyph->is_composite = TRUE;
} else {
max_glyphs = MAX_GLYPHS_PER_SIMPLE_FONT;
subset_glyph->is_composite = FALSE;
}
sub_font = _cairo_sub_font_create (subsets,
unscaled_font,
subsets->num_sub_fonts++,
max_glyphs,
subset_glyph->is_scaled,
subset_glyph->is_composite);
if (sub_font == NULL) {
cairo_scaled_font_destroy (unscaled_font);
return CAIRO_STATUS_NO_MEMORY;
}
status = _cairo_hash_table_insert (subsets->unscaled_sub_fonts,
&sub_font->base);
if (status) {
_cairo_sub_font_destroy (sub_font);
return status;
}
}
} else {
/* No path available. Add to scaled subset. */
key.is_scaled = TRUE;
_cairo_sub_font_init_key (&key, scaled_font);
if (! _cairo_hash_table_lookup (subsets->scaled_sub_fonts, &key.base,
(cairo_hash_entry_t **) &sub_font))
{
subset_glyph->is_scaled = TRUE;
subset_glyph->is_composite = FALSE;
if (subsets->type == CAIRO_SUBSETS_SCALED)
max_glyphs = INT_MAX;
else
max_glyphs = MAX_GLYPHS_PER_SIMPLE_FONT;
sub_font = _cairo_sub_font_create (subsets,
cairo_scaled_font_reference (scaled_font),
subsets->num_sub_fonts++,
max_glyphs,
subset_glyph->is_scaled,
subset_glyph->is_composite);
if (sub_font == NULL) {
cairo_scaled_font_destroy (scaled_font);
return CAIRO_STATUS_NO_MEMORY;
}
status = _cairo_hash_table_insert (subsets->scaled_sub_fonts,
&sub_font->base);
if (status) {
_cairo_sub_font_destroy (sub_font);
return status;
}
}
}
return _cairo_sub_font_map_glyph (sub_font,
scaled_font_glyph_index,
subset_glyph);
}
