blob: acd709027368a463c867eb380942ff88a0f20336 [file] [log] [blame]
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkPathBuilder.h"
#include "include/private/base/SkAssert.h"
#include "include/utils/SkCustomTypeface.h"
#include "src/core/SkFontDescriptor.h"
#include "tools/ToolUtils.h"
#include "tools/fonts/TestFontMgr.h"
#include "tools/fonts/TestTypeface.h"
#ifdef SK_XML
#include "tools/fonts/TestSVGTypeface.h"
#endif
#include <vector>
namespace {
class FontStyleSet final : public SkFontStyleSet {
public:
FontStyleSet(const char* familyName) : fFamilyName(familyName) {}
struct TypefaceEntry {
TypefaceEntry(sk_sp<SkTypeface> typeface, SkFontStyle style, const char* styleName)
: fTypeface(std::move(typeface)), fStyle(style), fStyleName(styleName) {}
sk_sp<SkTypeface> fTypeface;
SkFontStyle fStyle;
const char* fStyleName;
};
int count() override { return fTypefaces.size(); }
void getStyle(int index, SkFontStyle* style, SkString* name) override {
if (style) {
*style = fTypefaces[index].fStyle;
}
if (name) {
*name = fTypefaces[index].fStyleName;
}
}
sk_sp<SkTypeface> createTypeface(int index) override {
return fTypefaces[index].fTypeface;
}
sk_sp<SkTypeface> matchStyle(const SkFontStyle& pattern) override {
return this->matchStyleCSS3(pattern);
}
SkString getFamilyName() { return fFamilyName; }
std::vector<TypefaceEntry> fTypefaces;
SkString fFamilyName;
};
class FontMgr final : public SkFontMgr {
public:
FontMgr() {
auto&& list = TestTypeface::Typefaces();
for (auto&& family : list.families) {
auto&& ss = fFamilies.emplace_back(sk_make_sp<FontStyleSet>(family.name));
for (auto&& face : family.faces) {
ss->fTypefaces.emplace_back(face.typeface, face.typeface->fontStyle(), face.name);
if (face.isDefault) {
fDefaultFamily = ss;
fDefaultTypeface = face.typeface;
}
}
}
if (!fDefaultFamily) {
SkASSERTF(false, "expected TestTypeface to return a default");
fDefaultFamily = fFamilies[0];
fDefaultTypeface = fDefaultFamily->fTypefaces[0].fTypeface;
}
#if defined(SK_ENABLE_SVG)
fFamilies.emplace_back(sk_make_sp<FontStyleSet>("Emoji"));
fFamilies.back()->fTypefaces.emplace_back(
TestSVGTypeface::Default(), SkFontStyle::Normal(), "Normal");
fFamilies.emplace_back(sk_make_sp<FontStyleSet>("Planet"));
fFamilies.back()->fTypefaces.emplace_back(
TestSVGTypeface::Planets(), SkFontStyle::Normal(), "Normal");
#endif
}
int onCountFamilies() const override { return fFamilies.size(); }
void onGetFamilyName(int index, SkString* familyName) const override {
*familyName = fFamilies[index]->getFamilyName();
}
sk_sp<SkFontStyleSet> onCreateStyleSet(int index) const override {
sk_sp<SkFontStyleSet> ref = fFamilies[index];
return ref;
}
sk_sp<SkFontStyleSet> onMatchFamily(const char familyName[]) const override {
if (familyName) {
if (strstr(familyName, "ono")) {
return this->createStyleSet(0);
}
if (strstr(familyName, "ans")) {
return this->createStyleSet(1);
}
if (strstr(familyName, "erif")) {
return this->createStyleSet(2);
}
#if defined(SK_ENABLE_SVG)
if (strstr(familyName, "oji")) {
return this->createStyleSet(6);
}
if (strstr(familyName, "Planet")) {
return this->createStyleSet(7);
}
#endif
}
return nullptr;
}
sk_sp<SkTypeface> onMatchFamilyStyle(const char familyName[],
const SkFontStyle& style) const override {
sk_sp<SkFontStyleSet> styleSet(this->matchFamily(familyName));
return styleSet->matchStyle(style);
}
sk_sp<SkTypeface> onMatchFamilyStyleCharacter(const char familyName[],
const SkFontStyle& style,
const char* bcp47[],
int bcp47Count,
SkUnichar character) const override {
(void)bcp47;
(void)bcp47Count;
(void)character;
return this->matchFamilyStyle(familyName, style);
}
sk_sp<SkTypeface> onMakeFromData(sk_sp<SkData>, int ttcIndex) const override { return nullptr; }
sk_sp<SkTypeface> onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>,
int ttcIndex) const override {
return nullptr;
}
sk_sp<SkTypeface> onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>,
const SkFontArguments&) const override {
return nullptr;
}
sk_sp<SkTypeface> onMakeFromFile(const char path[], int ttcIndex) const override {
return nullptr;
}
sk_sp<SkTypeface> onLegacyMakeTypeface(const char familyName[],
SkFontStyle style) const override {
if (familyName == nullptr) {
return sk_sp<SkTypeface>(fDefaultFamily->matchStyle(style));
}
sk_sp<SkTypeface> typeface = sk_sp<SkTypeface>(this->matchFamilyStyle(familyName, style));
if (!typeface) {
typeface = fDefaultTypeface;
}
return typeface;
}
private:
std::vector<sk_sp<FontStyleSet>> fFamilies;
sk_sp<FontStyleSet> fDefaultFamily;
sk_sp<SkTypeface> fDefaultTypeface;
};
} // namespace
namespace ToolUtils {
sk_sp<SkFontMgr> MakePortableFontMgr() { return sk_make_sp<FontMgr>(); }
} // namespace ToolUtils