skia WIPjarred/canvas

1 files changed, 53 insertions, 0 deletions

diff --git a/src/deps/skia/include/utils/SkOrderedFontMgr.h b/src/deps/skia/include/utils/SkOrderedFontMgr.h
new file mode 100644
index 000000000..8d6152df3
--- /dev/null
+++ b/src/deps/skia/include/utils/SkOrderedFontMgr.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2021 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkOrderedFontMgr_DEFINED
+#define SkOrderedFontMgr_DEFINED
+
+#include "include/core/SkFontMgr.h"
+#include <vector>
+/**
+ *  Collects an order list of other font managers, and visits them in order
+ *  when a request to find or match is issued.
+ *
+ *  Note: this explicitly fails on any attempt to Make a typeface: all of
+ *  those requests will return null.
+ */
+class SK_API SkOrderedFontMgr : public SkFontMgr {
+public:
+    SkOrderedFontMgr();
+    ~SkOrderedFontMgr() override;
+
+    void append(sk_sp<SkFontMgr>);
+
+protected:
+    int onCountFamilies() const override;
+    void onGetFamilyName(int index, SkString* familyName) const override;
+    SkFontStyleSet* onCreateStyleSet(int index)const override;
+
+    SkFontStyleSet* onMatchFamily(const char familyName[]) const override;
+
+    SkTypeface* onMatchFamilyStyle(const char familyName[], const SkFontStyle&) const override;
+    SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], const SkFontStyle&,
+                                            const char* bcp47[], int bcp47Count,
+                                            SkUnichar character) const override;
+
+    // Note: all of these always return null
+    sk_sp<SkTypeface> onMakeFromData(sk_sp<SkData>, int ttcIndex) const override;
+    sk_sp<SkTypeface> onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>,
+                                            int ttcIndex) const override;
+    sk_sp<SkTypeface> onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>,
+                                           const SkFontArguments&) const override;
+    sk_sp<SkTypeface> onMakeFromFile(const char path[], int ttcIndex) const override;
+
+    sk_sp<SkTypeface> onLegacyMakeTypeface(const char familyName[], SkFontStyle) const override;
+
+private:
+    std::vector<sk_sp<SkFontMgr>> fList;
+};
+
+#endif