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/*
* 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 "SkFontDescriptor.h"
#include "SkTestFontMgr.h"
#include "SkTestTypeface.h"
#include "sk_tool_utils.h"
#ifdef SK_XML
#include "SkTestSVGTypeface.h"
#endif
#include <vector>
namespace {
#include "test_font_monospace.inc"
#include "test_font_sans_serif.inc"
#include "test_font_serif.inc"
#include "test_font_index.inc"
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; }
}
SkTypeface* createTypeface(int index) override {
return SkRef(fTypefaces[index].fTypeface.get());
}
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() {
for (const auto& sub : gSubFonts) {
sk_sp<SkTestTypeface> typeface =
sk_make_sp<SkTestTypeface>(sk_make_sp<SkTestFont>(sub.fFont), sub.fStyle);
bool defaultFamily = false;
if (&sub - gSubFonts == gDefaultFontIndex) {
defaultFamily = true;
fDefaultTypeface = typeface;
}
bool found = false;
for (const auto& family : fFamilies) {
if (family->getFamilyName().equals(sub.fFamilyName)) {
family->fTypefaces.emplace_back(std::move(typeface), sub.fStyle, sub.fStyleName);
found = true;
if (defaultFamily) {
fDefaultFamily = family;
}
}
}
if (!found) {
fFamilies.emplace_back(sk_make_sp<FontStyleSet>(sub.fFamilyName));
fFamilies.back()->fTypefaces.emplace_back(std::move(typeface), sub.fStyle, sub.fStyleName);
if (defaultFamily) {
fDefaultFamily = fFamilies.back();
}
}
}
#ifdef SK_XML
fFamilies.emplace_back(sk_make_sp<FontStyleSet>("Emoji"));
fFamilies.back()->fTypefaces.emplace_back(SkTestSVGTypeface::Default(), SkFontStyle::Normal(), "Normal");
#endif
}
int onCountFamilies() const override { return fFamilies.size(); }
void onGetFamilyName(int index, SkString* familyName) const override {
*familyName = fFamilies[index]->getFamilyName();
}
SkFontStyleSet* onCreateStyleSet(int index) const override {
sk_sp<SkFontStyleSet> ref = fFamilies[index];
return ref.release();
}
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); }
#ifdef SK_XML
if (strstr(familyName, "oji")) { return this->createStyleSet(6); }
#endif
}
return nullptr;
}
SkTypeface* onMatchFamilyStyle(const char familyName[],
const SkFontStyle& style) const override {
sk_sp<SkFontStyleSet> styleSet(this->matchFamily(familyName));
return styleSet->matchStyle(style);
}
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);
}
SkTypeface* onMatchFaceStyle(const SkTypeface* tf,
const SkFontStyle& style) const override {
SkString familyName;
tf->getFamilyName(&familyName);
return this->matchFamilyStyle(familyName.c_str(), 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> onMakeFromFontData(std::unique_ptr<SkFontData>) 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 sk_tool_utils {
sk_sp<SkFontMgr> MakePortableFontMgr() { return sk_make_sp<FontMgr>(); }
} // namespace sk_tool_utils
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