1 files changed, 114 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/fonts/SkTestScalerContext.h b/gfx/skia/skia/src/fonts/SkTestScalerContext.h
new file mode 100644
index 000000000..a5fa1de90
--- /dev/null
+++ b/gfx/skia/skia/src/fonts/SkTestScalerContext.h
@@ -0,0 +1,114 @@
+/*
+ * 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 SkTestScalerContext_DEFINED
+#define SkTestScalerContext_DEFINED
+
+#include "SkFixed.h"
+#include "SkPaint.h"
+#include "SkPath.h"
+#include "SkRefCnt.h"
+#include "SkTDArray.h"
+#include "SkTypeface.h"
+
+class SkTestFont;
+
+struct SkTestFontData {
+    const SkScalar* fPoints;
+    const unsigned char* fVerbs;
+    const unsigned* fCharCodes;
+    const size_t fCharCodesCount;
+    const SkFixed* fWidths;
+    const SkPaint::FontMetrics& fMetrics;
+    const char* fName;
+    SkTypeface::Style fStyle;
+    SkTestFont* fFontCache;
+};
+
+class SkTestFont : public SkRefCnt {
+public:
+    
+
+    SkTestFont(const SkTestFontData& );
+    virtual ~SkTestFont();
+    int codeToIndex(SkUnichar charCode) const;
+    void init(const SkScalar* pts, const unsigned char* verbs);
+#ifdef SK_DEBUG  // detect missing test font data
+    mutable unsigned char fDebugBits[16];
+    mutable SkUnichar fDebugOverage[8];
+    const char* fDebugName;
+    SkFontStyle fDebugStyle;
+    const char* debugFontName() const { return fName; }
+#endif
+private:
+    const unsigned* fCharCodes;
+    const size_t fCharCodesCount;
+    const SkFixed* fWidths;
+    const SkPaint::FontMetrics& fMetrics;
+    const char* fName;
+    SkPath** fPaths;
+    friend class SkTestTypeface;
+    typedef SkRefCnt INHERITED;
+};
+
+
+class SkTestTypeface : public SkTypeface {
+public:
+    SkTestTypeface(SkTestFont*, const SkFontStyle& style);
+    virtual ~SkTestTypeface() {
+        SkSafeUnref(fTestFont);
+    }
+    void getAdvance(SkGlyph* glyph);
+    void getFontMetrics(SkPaint::FontMetrics* metrics);
+    void getMetrics(SkGlyph* glyph);
+    void getPath(const SkGlyph& glyph, SkPath* path);
+protected:
+    SkScalerContext* onCreateScalerContext(const SkScalerContextEffects&,
+                                           const SkDescriptor* desc) const override;
+    void onFilterRec(SkScalerContextRec* rec) const override;
+    SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics(
+        PerGlyphInfo,
+        const uint32_t* glyphIDs,
+        uint32_t glyphIDsCount) const override;
+
+    SkStreamAsset* onOpenStream(int* ttcIndex) const override {
+        return nullptr;
+    }
+
+    void onGetFontDescriptor(SkFontDescriptor* desc, bool* isLocal) const override;
+
+    int onCharsToGlyphs(const void* chars, Encoding encoding,
+                        uint16_t glyphs[], int glyphCount) const override;
+
+    int onCountGlyphs() const override {
+        return (int) fTestFont->fCharCodesCount;
+    }
+
+    int onGetUPEM() const override {
+        SkASSERT(0);  // don't expect to get here
+        return 1;
+    }
+
+    void onGetFamilyName(SkString* familyName) const override;
+    SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override;
+
+    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;
+    }
+private:
+    SkTestFont* fTestFont;
+    friend class SkTestScalerContext;
+};
+
+SkTypeface* CreateTestTypeface(const char* name, SkTypeface::Style style);
+
+#endif