1 /*
2 * Copyright 2017 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "SkFontDescriptor.h"
9 #include "SkTestFontMgr.h"
10 #include "SkTestTypeface.h"
11 #include "sk_tool_utils.h"
12
13 #ifdef SK_XML
14 #include "SkTestSVGTypeface.h"
15 #endif
16
17 #include <vector>
18
19 namespace {
20
21 #include "test_font_monospace.inc"
22 #include "test_font_sans_serif.inc"
23 #include "test_font_serif.inc"
24 #include "test_font_index.inc"
25
26 class FontStyleSet final : public SkFontStyleSet {
27 public:
FontStyleSet(const char * familyName)28 FontStyleSet(const char* familyName) : fFamilyName(familyName) { }
29 struct TypefaceEntry {
TypefaceEntry__anon5b07664d0111::FontStyleSet::TypefaceEntry30 TypefaceEntry(sk_sp<SkTypeface> typeface, SkFontStyle style, const char* styleName)
31 : fTypeface(std::move(typeface))
32 , fStyle(style)
33 , fStyleName(styleName)
34 {}
35 sk_sp<SkTypeface> fTypeface;
36 SkFontStyle fStyle;
37 const char* fStyleName;
38 };
39
count()40 int count() override { return fTypefaces.size(); }
41
getStyle(int index,SkFontStyle * style,SkString * name)42 void getStyle(int index, SkFontStyle* style, SkString* name) override {
43 if (style) { *style = fTypefaces[index].fStyle; }
44 if (name) { *name = fTypefaces[index].fStyleName; }
45 }
46
createTypeface(int index)47 SkTypeface* createTypeface(int index) override {
48 return SkRef(fTypefaces[index].fTypeface.get());
49 }
50
matchStyle(const SkFontStyle & pattern)51 SkTypeface* matchStyle(const SkFontStyle& pattern) override {
52 return this->matchStyleCSS3(pattern);
53 }
54
getFamilyName()55 SkString getFamilyName() { return fFamilyName; }
56
57 std::vector<TypefaceEntry> fTypefaces;
58 SkString fFamilyName;
59 };
60
61 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ //
62
63 class FontMgr final : public SkFontMgr {
64 public:
FontMgr()65 FontMgr() {
66 for (const auto& sub : gSubFonts) {
67 sk_sp<SkTestTypeface> typeface =
68 sk_make_sp<SkTestTypeface>(sk_make_sp<SkTestFont>(sub.fFont), sub.fStyle);
69 bool defaultFamily = false;
70 if (&sub - gSubFonts == gDefaultFontIndex) {
71 defaultFamily = true;
72 fDefaultTypeface = typeface;
73 }
74 bool found = false;
75 for (const auto& family : fFamilies) {
76 if (family->getFamilyName().equals(sub.fFamilyName)) {
77 family->fTypefaces.emplace_back(std::move(typeface), sub.fStyle, sub.fStyleName);
78 found = true;
79 if (defaultFamily) {
80 fDefaultFamily = family;
81 }
82 break;
83 }
84 }
85 if (!found) {
86 fFamilies.emplace_back(sk_make_sp<FontStyleSet>(sub.fFamilyName));
87 // NOLINTNEXTLINE(bugprone-use-after-move)
88 fFamilies.back()->fTypefaces.emplace_back(std::move(typeface), sub.fStyle, sub.fStyleName);
89 if (defaultFamily) {
90 fDefaultFamily = fFamilies.back();
91 }
92 }
93 }
94 #ifdef SK_XML
95 fFamilies.emplace_back(sk_make_sp<FontStyleSet>("Emoji"));
96 fFamilies.back()->fTypefaces.emplace_back(SkTestSVGTypeface::Default(), SkFontStyle::Normal(), "Normal");
97 #endif
98 }
99
onCountFamilies() const100 int onCountFamilies() const override { return fFamilies.size(); }
101
onGetFamilyName(int index,SkString * familyName) const102 void onGetFamilyName(int index, SkString* familyName) const override {
103 *familyName = fFamilies[index]->getFamilyName();
104 }
105
onCreateStyleSet(int index) const106 SkFontStyleSet* onCreateStyleSet(int index) const override {
107 sk_sp<SkFontStyleSet> ref = fFamilies[index];
108 return ref.release();
109 }
110
onMatchFamily(const char familyName[]) const111 SkFontStyleSet* onMatchFamily(const char familyName[]) const override {
112 if (familyName) {
113 if (strstr(familyName, "ono")) { return this->createStyleSet(0); }
114 if (strstr(familyName, "ans")) { return this->createStyleSet(1); }
115 if (strstr(familyName, "erif")) { return this->createStyleSet(2); }
116 #ifdef SK_XML
117 if (strstr(familyName, "oji")) { return this->createStyleSet(6); }
118 #endif
119 }
120 return nullptr;
121 }
122
123
onMatchFamilyStyle(const char familyName[],const SkFontStyle & style) const124 SkTypeface* onMatchFamilyStyle(const char familyName[],
125 const SkFontStyle& style) const override {
126 sk_sp<SkFontStyleSet> styleSet(this->matchFamily(familyName));
127 return styleSet->matchStyle(style);
128 }
129
onMatchFamilyStyleCharacter(const char familyName[],const SkFontStyle & style,const char * bcp47[],int bcp47Count,SkUnichar character) const130 SkTypeface* onMatchFamilyStyleCharacter(const char familyName[],
131 const SkFontStyle& style,
132 const char* bcp47[], int bcp47Count,
133 SkUnichar character) const override {
134 (void)bcp47;
135 (void)bcp47Count;
136 (void)character;
137 return this->matchFamilyStyle(familyName, style);
138 }
139
onMatchFaceStyle(const SkTypeface * tf,const SkFontStyle & style) const140 SkTypeface* onMatchFaceStyle(const SkTypeface* tf,
141 const SkFontStyle& style) const override {
142 SkString familyName;
143 tf->getFamilyName(&familyName);
144 return this->matchFamilyStyle(familyName.c_str(), style);
145 }
146
onMakeFromData(sk_sp<SkData>,int ttcIndex) const147 sk_sp<SkTypeface> onMakeFromData(sk_sp<SkData>, int ttcIndex) const override {
148 return nullptr;
149 }
onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>,int ttcIndex) const150 sk_sp<SkTypeface> onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>,
151 int ttcIndex) const override {
152 return nullptr;
153 }
onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>,const SkFontArguments &) const154 sk_sp<SkTypeface> onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>,
155 const SkFontArguments&) const override {
156 return nullptr;
157 }
onMakeFromFontData(std::unique_ptr<SkFontData>) const158 sk_sp<SkTypeface> onMakeFromFontData(std::unique_ptr<SkFontData>) const override {
159 return nullptr;
160 }
onMakeFromFile(const char path[],int ttcIndex) const161 sk_sp<SkTypeface> onMakeFromFile(const char path[], int ttcIndex) const override {
162 return nullptr;
163 }
164
onLegacyMakeTypeface(const char familyName[],SkFontStyle style) const165 sk_sp<SkTypeface> onLegacyMakeTypeface(const char familyName[],
166 SkFontStyle style) const override {
167 if (familyName == nullptr) {
168 return sk_sp<SkTypeface>(fDefaultFamily->matchStyle(style));
169 }
170 sk_sp<SkTypeface> typeface = sk_sp<SkTypeface>(this->matchFamilyStyle(familyName, style));
171 if (!typeface) {
172 typeface = fDefaultTypeface;
173 }
174 return typeface;
175 }
176
177 private:
178 std::vector<sk_sp<FontStyleSet>> fFamilies;
179 sk_sp<FontStyleSet> fDefaultFamily;
180 sk_sp<SkTypeface> fDefaultTypeface;
181 };
182 }
183
184 namespace sk_tool_utils {
MakePortableFontMgr()185 sk_sp<SkFontMgr> MakePortableFontMgr() { return sk_make_sp<FontMgr>(); }
186 } // namespace sk_tool_utils
187