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* Copyright 2014 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef TestTypeface_DEFINED
#define TestTypeface_DEFINED
#include "include/core/SkFontArguments.h"
#include "include/core/SkFontMetrics.h"
#include "include/core/SkFontStyle.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkStream.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "include/private/base/SkFixed.h"
#include <memory>
class SkDescriptor;
class SkFontDescriptor;
class SkGlyph;
class SkPath;
class SkScalerContext;
class SkStreamAsset;
class SkString;
class SkTestFont;
struct SkAdvancedTypefaceMetrics;
struct SkScalerContextEffects;
struct SkScalerContextRec;
struct SkTestFontData {
const SkScalar* fPoints;
const unsigned char* fVerbs;
const SkUnichar* fCharCodes;
const size_t fCharCodesCount;
const SkFixed* fWidths;
const SkFontMetrics& fMetrics;
const char* fName;
SkFontStyle fStyle;
class SkTestFont : public SkRefCnt {
SkTestFont(const SkTestFontData&);
~SkTestFont() override;
SkGlyphID glyphForUnichar(SkUnichar charCode) const;
void init(const SkScalar* pts, const unsigned char* verbs);
const SkUnichar* fCharCodes;
const size_t fCharCodesCount;
const SkFixed* fWidths;
const SkFontMetrics& fMetrics;
const char* fName;
SkPath* fPaths;
friend class TestTypeface;
using INHERITED = SkRefCnt;
class TestTypeface : public SkTypeface {
struct List {
struct Family {
struct Face {
sk_sp<SkTypeface> typeface;
const char* name;
bool isDefault;
std::vector<Face> faces;
const char* name;
std::vector<Family> families;
static const List& Typefaces();
SkVector getAdvance(SkGlyphID) const;
void getFontMetrics(SkFontMetrics* metrics);
SkPath getPath(SkGlyphID glyph);
struct Register { Register(); };
std::unique_ptr<SkScalerContext> onCreateScalerContext(const SkScalerContextEffects&,
const SkDescriptor* desc) const override;
void onFilterRec(SkScalerContextRec* rec) const override;
void getGlyphToUnicodeMap(SkUnichar* glyphToUnicode) const override;
std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() const override;
std::unique_ptr<SkStreamAsset> onOpenStream(int* ttcIndex) const override;
sk_sp<SkTypeface> onMakeClone(const SkFontArguments& args) const override {
return sk_ref_sp(this);
void onGetFontDescriptor(SkFontDescriptor* desc, bool* serialize) const override;
void onCharsToGlyphs(const SkUnichar* chars, int count, SkGlyphID glyphs[]) const override;
int onCountGlyphs() const override { return (int)fTestFont->fCharCodesCount; }
void getPostScriptGlyphNames(SkString*) const override {}
int onGetUPEM() const override { return 2048; }
void onGetFamilyName(SkString* familyName) const override;
bool onGetPostScriptName(SkString*) const override;
SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override;
bool onGlyphMaskNeedsCurrentColor() const override { return false; }
int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[],
int coordinateCount) const override {
return 0;
int onGetVariationDesignParameters(SkFontParameters::Variation::Axis parameters[],
int parameterCount) const override {
return 0;
int onGetTableTags(SkFontTableTag tags[]) const override { return 0; }
size_t onGetTableData(SkFontTableTag tag,
size_t offset,
size_t length,
void* data) const override {
return 0;
static constexpr SkTypeface::FactoryId FactoryId = SkSetFourByteTag('t','e','s','t');
static sk_sp<SkTypeface> MakeFromStream(std::unique_ptr<SkStreamAsset>, const SkFontArguments&);
TestTypeface(sk_sp<SkTestFont>, const SkFontStyle& style);
sk_sp<SkTestFont> fTestFont;
friend class SkTestScalerContext;