1 files changed, 125 insertions, 0 deletions
diff --git a/dm/DMFontMgr.cpp b/dm/DMFontMgr.cpp
new file mode 100644
index 0000000000..51ee6122d0
--- /dev/null
+++ b/dm/DMFontMgr.cpp
@@ -0,0 +1,125 @@
+/*
+ * 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 "DMFontMgr.h"
+#include "SkFontDescriptor.h"
+#include "sk_tool_utils.h"
+
+namespace DM {
+
+    static constexpr const char* kFamilyNames[] = {
+        "Toy Liberation Sans",
+        "Toy Liberation Serif",
+        "Toy Liberation Mono",
+    };
+
+    FontStyleSet::FontStyleSet(int familyIndex) : fFamilyName(kFamilyNames[familyIndex]) {}
+
+    // Each font family has 4 styles: Normal, Bold, Italic, BoldItalic.
+    int FontStyleSet::count() { return 4; }
+    void FontStyleSet::getStyle(int index, SkFontStyle* style, SkString* name) {
+        switch (index) {
+            default:
+            case  0: if (style) { *style = SkFontStyle::Normal(); }
+                     if (name)  { *name = "Normal"; }
+                     break;
+            case  1: if (style) { *style = SkFontStyle::Bold(); }
+                     if (name)  { *name = "Bold"; }
+                     break;
+            case  2: if (style) { *style = SkFontStyle::Italic(); }
+                     if (name)  { *name = "Italic"; }
+                     break;
+            case  3: if (style) { *style = SkFontStyle::BoldItalic(); }
+                     if (name)  { *name = "BoldItalic"; }
+                     break;
+        }
+    }
+
+    SkTypeface* FontStyleSet::matchStyle(const SkFontStyle& style) {
+        return this->matchStyleCSS3(style);
+    }
+
+    SkTypeface* FontStyleSet::createTypeface(int index) {
+        SkFontStyle style;
+        this->getStyle(index, &style, nullptr);
+
+        return sk_tool_utils::create_portable_typeface(fFamilyName, style).release();
+    }
+
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ //
+
+    int FontMgr::onCountFamilies() const { return SK_ARRAY_COUNT(kFamilyNames); }
+
+    void FontMgr::onGetFamilyName(int index, SkString* familyName) const {
+        *familyName = kFamilyNames[index];
+    }
+
+    SkFontStyleSet* FontMgr::onCreateStyleSet(int index) const {
+        return new FontStyleSet(index);
+    }
+
+    SkFontStyleSet* FontMgr::onMatchFamily(const char familyName[]) const {
+        if (familyName) {
+            if (strstr(familyName,  "ans")) { return this->createStyleSet(0); }
+            if (strstr(familyName, "erif")) { return this->createStyleSet(1); }
+            if (strstr(familyName,  "ono")) { return this->createStyleSet(2); }
+        }
+        return this->createStyleSet(0);
+    }
+
+    SkTypeface* FontMgr::onMatchFamilyStyle(const char familyName[],
+                                            const SkFontStyle& style) const {
+        sk_sp<SkFontStyleSet> styleSet(this->matchFamily(familyName));
+        return styleSet->matchStyle(style);
+    }
+
+    SkTypeface* FontMgr::onMatchFamilyStyleCharacter(const char familyName[],
+                                                     const SkFontStyle& style,
+                                                     const char* bcp47[],
+                                                     int bcp47Count,
+                                                     SkUnichar character) const {
+        (void)bcp47;
+        (void)bcp47Count;
+        (void)character;
+        return this->matchFamilyStyle(familyName, style);
+    }
+
+    SkTypeface* FontMgr::onMatchFaceStyle(const SkTypeface* tf,
+                                          const SkFontStyle& style) const {
+        SkString familyName;
+        tf->getFamilyName(&familyName);
+        return this->matchFamilyStyle(familyName.c_str(), style);
+    }
+
+    sk_sp<SkTypeface> FontMgr::onMakeFromData(sk_sp<SkData>, int ttcIndex) const {
+        return sk_sp<SkTypeface>(this->matchFamilyStyle("Sans", SkFontStyle::Normal()));
+    }
+
+    sk_sp<SkTypeface> FontMgr::onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>,
+                                                     int ttcIndex) const {
+        return sk_sp<SkTypeface>(this->matchFamilyStyle("Sans", SkFontStyle::Normal()));
+    }
+
+    sk_sp<SkTypeface> FontMgr::onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>,
+                                                    const SkFontArguments&) const {
+        return sk_sp<SkTypeface>(this->matchFamilyStyle("Sans", SkFontStyle::Normal()));
+    }
+
+    sk_sp<SkTypeface> FontMgr::onMakeFromFontData(std::unique_ptr<SkFontData>) const {
+        return sk_sp<SkTypeface>(this->matchFamilyStyle("Sans", SkFontStyle::Normal()));
+    }
+
+    sk_sp<SkTypeface> FontMgr::onMakeFromFile(const char path[], int ttcIndex) const {
+        return sk_sp<SkTypeface>(this->matchFamilyStyle("Sans", SkFontStyle::Normal()));
+    }
+
+    sk_sp<SkTypeface> FontMgr::onLegacyMakeTypeface(const char familyName[],
+                                                    SkFontStyle style) const {
+        return sk_sp<SkTypeface>(this->matchFamilyStyle(familyName, style));
+    }
+
+} // namespace DM