FontPlatformData::FontPlatformData(FcPattern* pattern, const FontDescription& fontDescription)
: m_pattern(pattern)
, m_fallbacks(0)
, m_size(fontDescription.computedPixelSize())
, m_syntheticBold(false)
, m_syntheticOblique(false)
, m_fixedWidth(false)
, m_scaledFont(0)
, m_orientation(fontDescription.orientation())
{
RefPtr<cairo_font_face_t> fontFace = adoptRef(cairo_ft_font_face_create_for_pattern(m_pattern.get()));
initializeWithFontFace(fontFace.get(), fontDescription);
int spacing;
if (FcPatternGetInteger(pattern, FC_SPACING, 0, &spacing) == FcResultMatch && spacing == FC_MONO)
m_fixedWidth = true;
if (fontDescription.weight() >= FontWeightBold) {
// The FC_EMBOLDEN property instructs us to fake the boldness of the font.
FcBool fontConfigEmbolden = FcFalse;
if (FcPatternGetBool(pattern, FC_EMBOLDEN, 0, &fontConfigEmbolden) == FcResultMatch)
m_syntheticBold = fontConfigEmbolden;
// Fallback fonts may not have FC_EMBOLDEN activated even though it's necessary.
int weight = 0;
if (!m_syntheticBold && FcPatternGetInteger(pattern, FC_WEIGHT, 0, &weight) == FcResultMatch)
m_syntheticBold = m_syntheticBold || weight < FC_WEIGHT_DEMIBOLD;
}
}
explicit font_fc(cairo_t* cairo, FcPattern* pattern, double offset, double dpi_x, double dpi_y) : font(cairo, offset), m_pattern(pattern) {
cairo_matrix_t fm;
cairo_matrix_t ctm;
cairo_matrix_init_scale(&fm, size(dpi_x), size(dpi_y));
cairo_get_matrix(m_cairo, &ctm);
auto fontface = cairo_ft_font_face_create_for_pattern(m_pattern);
auto opts = cairo_font_options_create();
m_scaled = cairo_scaled_font_create(fontface, &fm, &ctm, opts);
cairo_font_options_destroy(opts);
cairo_font_face_destroy(fontface);
auto status = cairo_scaled_font_status(m_scaled);
if (status != CAIRO_STATUS_SUCCESS) {
throw application_error(sstream() << "cairo_scaled_font_create(): " << cairo_status_to_string(status));
}
auto lock = make_unique<utils::ft_face_lock>(m_scaled);
auto face = static_cast<FT_Face>(*lock);
if (FT_Select_Charmap(face, FT_ENCODING_UNICODE) == FT_Err_Ok) {
return;
} else if (FT_Select_Charmap(face, FT_ENCODING_BIG5) == FT_Err_Ok) {
return;
} else if (FT_Select_Charmap(face, FT_ENCODING_SJIS) == FT_Err_Ok) {
return;
}
lock.reset();
}
const SimpleFontData* FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length)
{
#if defined(USE_FREETYPE)
FcResult fresult;
FontPlatformData* prim = const_cast<FontPlatformData*>(&font.primaryFont()->platformData());
if (!prim->m_fallbacks)
prim->m_fallbacks = FcFontSort(NULL, prim->m_pattern, FcTrue, NULL, &fresult);
FcFontSet* fs = prim->m_fallbacks;
for (int i = 0; i < fs->nfont; i++) {
FcPattern* fin = FcFontRenderPrepare(NULL, prim->m_pattern, fs->fonts[i]);
cairo_font_face_t* fontFace = cairo_ft_font_face_create_for_pattern(fin);
FontPlatformData alternateFont(fontFace, font.fontDescription().computedPixelSize(), false, false);
cairo_font_face_destroy(fontFace);
alternateFont.m_pattern = fin;
SimpleFontData* sfd = getCachedFontData(&alternateFont);
if (sfd->containsCharacters(characters, length))
return sfd;
}
#endif
return 0;
}
static cairo_font_face_t *
pango_cairo_fc_font_create_font_face (PangoCairoFont *cfont)
{
PangoFcFont *fcfont = (PangoFcFont *) (cfont);
return cairo_ft_font_face_create_for_pattern (fcfont->font_pattern);
}
// Takes a Claro font and creates a Cairo font object for use with a Cairo context.
static cairo_font_face_t * claro_ft2_cairo_font_create(claro_font_backend_t * backend, claro_font_t * font)
{
cairo_font_face_t * font_face;
g_return_val_if_fail(backend != NULL, NULL);
g_return_val_if_fail(font != NULL, NULL);
font_face = cairo_ft_font_face_create_for_pattern
((FcPattern *)((claro_font_pattern_t *)font->native)->native);
return font_face;
}
static cairo_scaled_font_t *
create_scaled_font (cairo_t * cr)
{
FcPattern *pattern, *resolved;
FcResult result;
cairo_font_face_t *font_face;
cairo_scaled_font_t *scaled_font;
cairo_font_options_t *font_options;
cairo_matrix_t font_matrix, ctm;
double pixel_size;
font_options = cairo_font_options_create ();
cairo_get_font_options (cr, font_options);
pattern = FcPatternCreate ();
FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *)"Bitstream Vera Sans");
FcPatternAddDouble (pattern, FC_PIXEL_SIZE, TEXT_SIZE);
FcConfigSubstitute (NULL, pattern, FcMatchPattern);
cairo_ft_font_options_substitute (font_options, pattern);
FcDefaultSubstitute (pattern);
resolved = FcFontMatch (NULL, pattern, &result);
/* set layout to vertical */
FcPatternDel (resolved, FC_VERTICAL_LAYOUT);
FcPatternAddBool (resolved, FC_VERTICAL_LAYOUT, FcTrue);
FcPatternGetDouble (resolved, FC_PIXEL_SIZE, 0, &pixel_size);
font_face = cairo_ft_font_face_create_for_pattern (resolved);
cairo_matrix_init_translate (&font_matrix, 10, 30);
cairo_matrix_rotate (&font_matrix, M_PI_2/3);
cairo_matrix_scale (&font_matrix, pixel_size, pixel_size);
cairo_get_matrix (cr, &ctm);
scaled_font = cairo_scaled_font_create (font_face,
&font_matrix,
&ctm,
font_options);
cairo_font_options_destroy (font_options);
cairo_font_face_destroy (font_face);
FcPatternDestroy (pattern);
FcPatternDestroy (resolved);
return scaled_font;
}
void FontSysData::Init(Font font, int angle)
{
LLOG("FontSysData::Init " << font << ", " << angle);
FcPattern *p = CreateFcPattern(font);
cairo_font_face_t *font_face = cairo_ft_font_face_create_for_pattern(p);
FcPatternDestroy(p);
cairo_matrix_t font_matrix[1], ctm[1];
cairo_matrix_init_identity(ctm);
cairo_matrix_init_scale(font_matrix, font.GetHeight(), font.GetHeight());
if(angle)
cairo_matrix_rotate(font_matrix, -angle * M_2PI / 3600);
cairo_font_options_t *opt = cairo_font_options_create();
scaled_font = cairo_scaled_font_create(font_face, font_matrix, ctm, opt);
cairo_font_options_destroy(opt);
cairo_font_face_destroy(font_face);
}
FontPlatformData::FontPlatformData(FcPattern* pattern, const FontDescription& fontDescription)
: m_pattern(pattern)
, m_fallbacks(0)
, m_size(fontDescription.computedPixelSize())
, m_syntheticBold(false)
, m_syntheticOblique(false)
, m_fixedWidth(false)
{
PlatformRefPtr<cairo_font_face_t> fontFace = adoptPlatformRef(cairo_ft_font_face_create_for_pattern(m_pattern.get()));
initializeWithFontFace(fontFace.get());
int spacing;
if (FcPatternGetInteger(pattern, FC_SPACING, 0, &spacing) == FcResultMatch && spacing == FC_MONO)
m_fixedWidth = true;
if (fontDescription.weight() >= FontWeightBold) {
// The FC_EMBOLDEN property instructs us to fake the boldness of the font.
FcBool fontConfigEmbolden;
if (FcPatternGetBool(pattern, FC_EMBOLDEN, 0, &fontConfigEmbolden) == FcResultMatch)
m_syntheticBold = fontConfigEmbolden;
}
}
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;
}
static cairo_status_t
create_scaled_font (cairo_t * cr,
cairo_scaled_font_t **out)
{
FcPattern *pattern, *resolved;
FcResult result;
cairo_font_face_t *font_face;
cairo_scaled_font_t *scaled_font;
cairo_font_options_t *font_options;
cairo_matrix_t font_matrix, ctm;
cairo_status_t status;
double pixel_size;
font_options = cairo_font_options_create ();
cairo_get_font_options (cr, font_options);
pattern = FcPatternCreate ();
if (pattern == NULL)
return CAIRO_STATUS_NO_MEMORY;
FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *)CAIRO_TEST_FONT_FAMILY " Sans");
FcPatternAddDouble (pattern, FC_PIXEL_SIZE, TEXT_SIZE);
FcConfigSubstitute (NULL, pattern, FcMatchPattern);
cairo_ft_font_options_substitute (font_options, pattern);
FcDefaultSubstitute (pattern);
resolved = FcFontMatch (NULL, pattern, &result);
if (resolved == NULL) {
FcPatternDestroy (pattern);
return CAIRO_STATUS_NO_MEMORY;
}
/* set layout to vertical */
FcPatternDel (resolved, FC_VERTICAL_LAYOUT);
FcPatternAddBool (resolved, FC_VERTICAL_LAYOUT, FcTrue);
FcPatternGetDouble (resolved, FC_PIXEL_SIZE, 0, &pixel_size);
font_face = cairo_ft_font_face_create_for_pattern (resolved);
cairo_matrix_init_translate (&font_matrix, 10, 30);
cairo_matrix_rotate (&font_matrix, M_PI_2/3);
cairo_matrix_scale (&font_matrix, pixel_size, pixel_size);
cairo_get_matrix (cr, &ctm);
scaled_font = cairo_scaled_font_create (font_face,
&font_matrix,
&ctm,
font_options);
cairo_font_options_destroy (font_options);
cairo_font_face_destroy (font_face);
FcPatternDestroy (pattern);
FcPatternDestroy (resolved);
status = cairo_scaled_font_status (scaled_font);
if (status) {
cairo_scaled_font_destroy (scaled_font);
return status;
}
*out = scaled_font;
return CAIRO_STATUS_SUCCESS;
}
void ScreenPainter::drawGlyph(const GlyphLayout gl)
{
bool showControls = (m_item->doc()->guidesPrefs().showControls) &&
(gl.glyph == font().char2CMap(QChar(' ')) || gl.glyph >= ScFace::CONTROL_GLYPHS);
#if CAIRO_HAS_FC_FONT
if (m_painter->fillMode() == 1 && m_painter->maskMode() <= 0 && !showControls)
{
m_painter->save();
setupState(false);
cairo_t* cr = m_painter->context();
double r, g, b;
m_painter->brush().getRgbF(&r, &g, &b);
cairo_set_source_rgba(cr, r, g, b, m_painter->brushOpacity());
m_painter->setRasterOp(m_painter->blendModeFill());
if (m_fontPath != font().fontFilePath() || m_faceIndex != font().faceIndex() || m_cairoFace == NULL)
{
m_fontPath = font().fontFilePath();
m_faceIndex = font().faceIndex();
// A very ugly hack as we can’t use the font().ftFace() because
// Scribus liberally calls FT_Set_CharSize() with all sorts of
// crazy values, breaking any subsequent call to the layout
// painter. FIXME: drop the FontConfig dependency here once
// Scribus font handling code is made sane!
FcPattern *pattern = FcPatternBuild(NULL,
FC_FILE, FcTypeString, QFile::encodeName(font().fontFilePath()).data(),
FC_INDEX, FcTypeInteger, font().faceIndex(),
NULL);
m_cairoFace = cairo_ft_font_face_create_for_pattern(pattern);
FcPatternDestroy(pattern);
}
cairo_set_font_face(cr, m_cairoFace);
cairo_set_font_size(cr, fontSize());
cairo_scale(cr, gl.scaleH, gl.scaleV);
cairo_glyph_t glyph = { gl.glyph, 0, 0 };
cairo_show_glyphs(cr, &glyph, 1);
m_painter->restore();
return;
}
#endif
m_painter->save();
setupState(false);
bool fr = m_painter->fillRule();
m_painter->setFillRule(false);
uint gid = gl.glyph;
if (showControls)
{
bool stroke = false;
if (gid >= ScFace::CONTROL_GLYPHS)
gid -= ScFace::CONTROL_GLYPHS;
else
gid = 32;
QTransform chma, chma4;
FPointArray outline;
if (gid == SpecialChars::TAB.unicode())
{
outline = m_item->doc()->symTab.copy();
chma4.translate(gl.xadvance - fontSize() * gl.scaleH * 0.7, -fontSize() * gl.scaleV * 0.5);
}
else if (gid == SpecialChars::COLBREAK.unicode())
{
outline = m_item->doc()->symNewCol.copy();
chma4.translate(0, -fontSize() * gl.scaleV * 0.6);
}
else if (gid == SpecialChars::FRAMEBREAK.unicode())
{
outline = m_item->doc()->symNewFrame.copy();
chma4.translate(0, -fontSize() * gl.scaleV * 0.6);
}
else if (gid == SpecialChars::PARSEP.unicode())
{
outline = m_item->doc()->symReturn.copy();
chma4.translate(0, -fontSize() * gl.scaleV * 0.8);
}
else if (gid == SpecialChars::LINEBREAK.unicode())
{
outline = m_item->doc()->symNewLine.copy();
chma4.translate(0, -fontSize() * gl.scaleV * 0.4);
}
else if (gid == SpecialChars::NBSPACE.unicode() || gid == 32)
{
stroke = (gid == 32);
outline = m_item->doc()->symNonBreak.copy();
chma4.translate(0, -fontSize() * gl.scaleV * 0.4);
}
else if (gid == SpecialChars::NBHYPHEN.unicode())
{
outline = font().glyphOutline(font().char2CMap(QChar('-')), fontSize());
chma4.translate(0, -fontSize() * gl.scaleV);
}
else if (gid == SpecialChars::SHYPHEN.unicode())
{
outline.resize(0);
outline.addQuadPoint(0, -10, 0, -10, 0, -6, 0, -6);
stroke = true;
}
else if (gid == SpecialChars::OBJECT.unicode())
{
//for showing marks entries as control chars
outline.resize(0);
outline.addQuadPoint(0, -8, 1, -8, 0, -6, 1, -6);
stroke = true;
}
else // ???
{
outline.resize(0);
outline.addQuadPoint(0, -10, 0, -10, 0, -9, 0, -9);
outline.addQuadPoint(0, -9, 0, -9, 1, -9, 1, -9);
outline.addQuadPoint(1, -9, 1, -9, 1, -10, 1, -10);
outline.addQuadPoint(1, -10, 1, -10, 0, -10, 0, -10);
}
chma.scale(gl.scaleH * fontSize() / 10.0, gl.scaleV * fontSize() / 10.0);
outline.map(chma * chma4);
m_painter->setupPolygon(&outline, true);
QColor oldBrush = m_painter->brush();
// FIXME
/* p->setBrush( (flags & ScLayout_SuppressSpace) ? Qt::green
: PrefsManager::instance()->appPrefs.displayPrefs.controlCharColor);*/
m_painter->setBrush(PrefsManager::instance()->appPrefs.displayPrefs.controlCharColor);
if (stroke)
{
QColor tmp = m_painter->pen();
m_painter->setStrokeMode(1);
m_painter->setPen(m_painter->brush(), 1, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
m_painter->setLineWidth(fontSize() * gl.scaleV / 20.0);
m_painter->strokePath();
m_painter->setPen(tmp, 1, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
}
else
{
m_painter->setFillMode(1);
m_painter->fillPath();
}
m_painter->setBrush(oldBrush);
}
else
{
m_painter->translate(0, -(fontSize() * gl.scaleV));
double scaleH = gl.scaleH * fontSize() / 10.0;
double scaleV = gl.scaleV * fontSize() / 10.0;
m_painter->scale(scaleH, scaleV);
FPointArray outline = font().glyphOutline(gid);
m_painter->setupPolygon(&outline, true);
if (outline.size() > 3)
m_painter->fillPath();
}
m_painter->setFillRule(fr);
m_painter->restore();
}
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);
}
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);
}
