The Tor Browser: comparison gfx/skia/trunk/src/core/SkFontHost.cpp

--1:000000000000
+:ee825aa34eca
+/*
+* Copyright 2009 The Android Open Source Project
+*
+* Use of this source code is governed by a BSD-style license that can be
+* found in the LICENSE file.
+*/
+#include "SkFontLCDConfig.h"
+#include "SkOnce.h"
+static SkFontLCDConfig::LCDOrientation gLCDOrientation = SkFontLCDConfig::kHorizontal_LCDOrientation;
+static SkFontLCDConfig::LCDOrder gLCDOrder = SkFontLCDConfig::kRGB_LCDOrder;
+SkFontLCDConfig::LCDOrientation SkFontLCDConfig::GetSubpixelOrientation() {
+return gLCDOrientation;
+}
+void SkFontLCDConfig::SetSubpixelOrientation(LCDOrientation orientation) {
+gLCDOrientation = orientation;
+}
+SkFontLCDConfig::LCDOrder SkFontLCDConfig::GetSubpixelOrder() {
+return gLCDOrder;
+}
+void SkFontLCDConfig::SetSubpixelOrder(LCDOrder order) {
+gLCDOrder = order;
+}
+///////////////////////////////////////////////////////////////////////////////
+// Legacy wrappers : remove from SkFontHost when webkit switches to new API
+#include "SkFontHost.h"
+SkFontHost::LCDOrientation SkFontHost::GetSubpixelOrientation() {
+return (SkFontHost::LCDOrientation)SkFontLCDConfig::GetSubpixelOrientation();
+}
+void SkFontHost::SetSubpixelOrientation(LCDOrientation orientation) {
+SkFontLCDConfig::SetSubpixelOrientation((SkFontLCDConfig::LCDOrientation)orientation);
+}
+SkFontHost::LCDOrder SkFontHost::GetSubpixelOrder() {
+return (SkFontHost::LCDOrder)SkFontLCDConfig::GetSubpixelOrder();
+}
+void SkFontHost::SetSubpixelOrder(LCDOrder order) {
+SkFontLCDConfig::SetSubpixelOrder((SkFontLCDConfig::LCDOrder)order);
+}
+///////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+#include "SkFontStyle.h"
+SkFontStyle::SkFontStyle() {
+fUnion.fU32 = 0;
+fUnion.fR.fWeight = kNormal_Weight;
+fUnion.fR.fWidth = kNormal_Width;
+fUnion.fR.fSlant = kUpright_Slant;
+}
+SkFontStyle::SkFontStyle(int weight, int width, Slant slant) {
+fUnion.fU32 = 0;
+fUnion.fR.fWeight = SkPin32(weight, kThin_Weight, kBlack_Weight);
+fUnion.fR.fWidth = SkPin32(width, kUltraCondensed_Width, kUltaExpanded_Width);
+fUnion.fR.fSlant = SkPin32(slant, kUpright_Slant, kItalic_Slant);
+}
+#include "SkFontMgr.h"
+class SkEmptyFontStyleSet : public SkFontStyleSet {
+public:
+virtual int count() SK_OVERRIDE { return 0; }
+virtual void getStyle(int, SkFontStyle*, SkString*) SK_OVERRIDE {
+SkDEBUGFAIL("SkFontStyleSet::getStyle called on empty set");
+}
+virtual SkTypeface* createTypeface(int index) SK_OVERRIDE {
+SkDEBUGFAIL("SkFontStyleSet::createTypeface called on empty set");
+return NULL;
+}
+virtual SkTypeface* matchStyle(const SkFontStyle&) SK_OVERRIDE {
+return NULL;
+}
+};
+SkFontStyleSet* SkFontStyleSet::CreateEmpty() {
+return SkNEW(SkEmptyFontStyleSet);
+}
+///////////////////////////////////////////////////////////////////////////////
+class SkEmptyFontMgr : public SkFontMgr {
+protected:
+virtual int onCountFamilies() const SK_OVERRIDE {
+return 0;
+}
+virtual void onGetFamilyName(int index, SkString* familyName) const SK_OVERRIDE {
+SkDEBUGFAIL("onGetFamilyName called with bad index");
+}
+virtual SkFontStyleSet* onCreateStyleSet(int index) const SK_OVERRIDE {
+SkDEBUGFAIL("onCreateStyleSet called with bad index");
+return NULL;
+}
+virtual SkFontStyleSet* onMatchFamily(const char[]) const SK_OVERRIDE {
+return SkFontStyleSet::CreateEmpty();
+}
+virtual SkTypeface* onMatchFamilyStyle(const char[],
+const SkFontStyle&) const SK_OVERRIDE {
+return NULL;
+}
+virtual SkTypeface* onMatchFaceStyle(const SkTypeface*,
+const SkFontStyle&) const SK_OVERRIDE {
+return NULL;
+}
+virtual SkTypeface* onCreateFromData(SkData*, int) const SK_OVERRIDE {
+return NULL;
+}
+virtual SkTypeface* onCreateFromStream(SkStream*, int) const SK_OVERRIDE {
+return NULL;
+}
+virtual SkTypeface* onCreateFromFile(const char[], int) const SK_OVERRIDE {
+return NULL;
+}
+virtual SkTypeface* onLegacyCreateTypeface(const char [], unsigned) const SK_OVERRIDE {
+return NULL;
+}
+};
+static SkFontStyleSet* emptyOnNull(SkFontStyleSet* fsset) {
+if (NULL == fsset) {
+fsset = SkFontStyleSet::CreateEmpty();
+}
+return fsset;
+}
+int SkFontMgr::countFamilies() const {
+return this->onCountFamilies();
+}
+void SkFontMgr::getFamilyName(int index, SkString* familyName) const {
+this->onGetFamilyName(index, familyName);
+}
+SkFontStyleSet* SkFontMgr::createStyleSet(int index) const {
+return emptyOnNull(this->onCreateStyleSet(index));
+}
+SkFontStyleSet* SkFontMgr::matchFamily(const char familyName[]) const {
+return emptyOnNull(this->onMatchFamily(familyName));
+}
+SkTypeface* SkFontMgr::matchFamilyStyle(const char familyName[],
+const SkFontStyle& fs) const {
+return this->onMatchFamilyStyle(familyName, fs);
+}
+SkTypeface* SkFontMgr::matchFaceStyle(const SkTypeface* face,
+const SkFontStyle& fs) const {
+return this->onMatchFaceStyle(face, fs);
+}
+SkTypeface* SkFontMgr::createFromData(SkData* data, int ttcIndex) const {
+if (NULL == data) {
+return NULL;
+}
+return this->onCreateFromData(data, ttcIndex);
+}
+SkTypeface* SkFontMgr::createFromStream(SkStream* stream, int ttcIndex) const {
+if (NULL == stream) {
+return NULL;
+}
+return this->onCreateFromStream(stream, ttcIndex);
+}
+SkTypeface* SkFontMgr::createFromFile(const char path[], int ttcIndex) const {
+if (NULL == path) {
+return NULL;
+}
+return this->onCreateFromFile(path, ttcIndex);
+}
+SkTypeface* SkFontMgr::legacyCreateTypeface(const char familyName[],
+unsigned styleBits) const {
+return this->onLegacyCreateTypeface(familyName, styleBits);
+}
+void set_up_default(SkFontMgr** singleton) {
+*singleton = SkFontMgr::Factory();
+// we never want to return NULL
+if (NULL == *singleton) {
+*singleton = SkNEW(SkEmptyFontMgr);
+}
+}
+SkFontMgr* SkFontMgr::RefDefault() {
+static SkFontMgr* gFM = NULL;
+SK_DECLARE_STATIC_ONCE(once);
+SkOnce(&once, set_up_default, &gFM);
+return SkRef(gFM);
+}
+//////////////////////////////////////////////////////////////////////////
+#ifndef SK_FONTHOST_DOES_NOT_USE_FONTMGR
+#if 0
+static SkFontStyle TypefaceStyleBitsToFontStyle(SkTypeface::Style styleBits) {
+SkFontStyle::Weight weight = (styleBits & SkTypeface::kBold) ?
+SkFontStyle::kBold_Weight :
+SkFontStyle::kNormal_Weight;
+SkFontStyle::Width width = SkFontStyle::kNormal_Width;
+SkFontStyle::Slant slant = (styleBits & SkTypeface::kItalic) ?
+SkFontStyle::kUpright_Slant :
+SkFontStyle::kItalic_Slant;
+return SkFontStyle(weight, width, slant);
+}
+#endif
+SkTypeface* SkFontHost::CreateTypeface(const SkTypeface* familyFace,
+const char familyName[],
+SkTypeface::Style style) {
+SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
+if (familyFace) {
+bool bold = style & SkTypeface::kBold;
+bool italic = style & SkTypeface::kItalic;
+SkFontStyle newStyle = SkFontStyle(bold ? SkFontStyle::kBold_Weight
+: SkFontStyle::kNormal_Weight,
+SkFontStyle::kNormal_Width,
+italic ? SkFontStyle::kItalic_Slant
+: SkFontStyle::kUpright_Slant);
+return fm->matchFaceStyle(familyFace, newStyle);
+} else {
+return fm->legacyCreateTypeface(familyName, style);
+}
+}
+SkTypeface* SkFontHost::CreateTypefaceFromFile(const char path[]) {
+SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
+return fm->createFromFile(path);
+}
+SkTypeface* SkFontHost::CreateTypefaceFromStream(SkStream* stream) {
+SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
+return fm->createFromStream(stream);
+}
+#endif

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comparison: gfx/skia/trunk/src/core/SkFontHost.cpp

gfx/skia/trunk/src/core/SkFontHost.cpp