aboutsummaryrefslogtreecommitdiffhomepage
path: root/tools/fonts/SkTestTypeface.h
diff options
context:
space:
mode:
Diffstat (limited to 'tools/fonts/SkTestTypeface.h')
-rw-r--r--tools/fonts/SkTestTypeface.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/tools/fonts/SkTestTypeface.h b/tools/fonts/SkTestTypeface.h
new file mode 100644
index 0000000000..b520fb6e5c
--- /dev/null
+++ b/tools/fonts/SkTestTypeface.h
@@ -0,0 +1,116 @@
+/*
+ * 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 SkTestTypeface_DEFINED
+#define SkTestTypeface_DEFINED
+
+#include "SkFixed.h"
+#include "SkFontArguments.h"
+#include "SkFontStyle.h"
+#include "SkPaint.h"
+#include "SkRefCnt.h"
+#include "SkScalar.h"
+#include "SkTypeface.h"
+#include "SkTypes.h"
+
+#include <memory>
+
+class SkDescriptor;
+class SkFontDescriptor;
+class SkGlyph;
+class SkPath;
+class SkScalerContext;
+class SkStreamAsset;
+class SkString;
+class SkTestFont;
+struct SkAdvancedTypefaceMetrics;
+struct SkScalerContextEffects;
+struct SkScalerContextRec;
+
+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