Revert "Add color fonts."

This reverts commit d3b933f3e03d5c22e9e7c56d2110469e41509720.

Reason for revert: we're not mirroring experimental/ everywhere.

Original change's description:
> Add color fonts.
> 
> BUG=skia:7624
> 
> Change-Id: I1d0974282adce2fd7b13a003309e63593b6e1a9c
> Reviewed-on: https://skia-review.googlesource.com/109521
> Commit-Queue: Ben Wagner <bungeman@google.com>
> Reviewed-by: Mike Klein <mtklein@google.com>
> Reviewed-by: Herb Derby <herb@google.com>
> Reviewed-on: https://skia-review.googlesource.com/116541

TBR=mtklein@google.com,bungeman@google.com,herb@google.com

Change-Id: Ic2d763244cbce663a23eb53321ac45201c466501
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:7624
Reviewed-on: https://skia-review.googlesource.com/116680
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>

1 files changed, 102 insertions, 0 deletions

diff --git a/tools/fonts/SkTestScalerContext.h b/tools/fonts/SkTestScalerContext.h
new file mode 100644
index 0000000000..e62210b2e3
--- /dev/null
+++ b/tools/fonts/SkTestScalerContext.h
@@ -0,0 +1,102 @@
+/*
+ * 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;
+    SkFontStyle fStyle;
+    sk_sp<SkTestFont> fCachedFont;
+};
+
+class SkTestFont : public SkRefCnt {
+public:
+    SkTestFont(const SkTestFontData& );
+    virtual ~SkTestFont();
+    int codeToIndex(SkUnichar charCode) const;
+    void init(const SkScalar* pts, const unsigned char* verbs);
+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(sk_sp<SkTestFont>, const SkFontStyle& style);
+    void getAdvance(SkGlyph* glyph);
+    void getFontMetrics(SkPaint::FontMetrics* metrics);
+    void getMetrics(SkGlyph* glyph);
+    void getPath(SkGlyphID glyph, SkPath* path);
+protected:
+    SkScalerContext* onCreateScalerContext(const SkScalerContextEffects&,
+                                           const SkDescriptor* desc) const override;
+    void onFilterRec(SkScalerContextRec* rec) const override;
+    std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() 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 {
+        return 2048;
+    }
+
+    void onGetFamilyName(SkString* familyName) const override;
+    SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override;
+
+    int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[],
+                                     int coordinateCount) 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;
+    }
+private:
+    sk_sp<SkTestFont> fTestFont;
+    friend class SkTestScalerContext;
+};
+
+#endif