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Side by Side Diff: src/core/SkTypeface.cpp

Issue 22859070: Implement charToGlyph on remaining ports. (Closed) Base URL: http://skia.googlecode.com/svn/trunk/
Patch Set: Tabs and line length. Created 7 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2011 The Android Open Source Project 2 * Copyright 2011 The Android Open Source Project
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "SkAdvancedTypefaceMetrics.h" 8 #include "SkAdvancedTypefaceMetrics.h"
9 #include "SkFontDescriptor.h" 9 #include "SkFontDescriptor.h"
10 #include "SkFontHost.h" 10 #include "SkFontHost.h"
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
42 protected: 42 protected:
43 virtual SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE { return NUL L; } 43 virtual SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE { return NUL L; }
44 virtual SkScalerContext* onCreateScalerContext(const SkDescriptor*) const SK _OVERRIDE { 44 virtual SkScalerContext* onCreateScalerContext(const SkDescriptor*) const SK _OVERRIDE {
45 return NULL; 45 return NULL;
46 } 46 }
47 virtual void onFilterRec(SkScalerContextRec*) const SK_OVERRIDE { } 47 virtual void onFilterRec(SkScalerContextRec*) const SK_OVERRIDE { }
48 virtual SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics( 48 virtual SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics(
49 SkAdvancedTypefaceMetrics::PerGlyphInfo, 49 SkAdvancedTypefaceMetrics::PerGlyphInfo,
50 const uint32_t*, uint32_t) const SK_OVERRIDE { r eturn NULL; } 50 const uint32_t*, uint32_t) const SK_OVERRIDE { r eturn NULL; }
51 virtual void onGetFontDescriptor(SkFontDescriptor*, bool*) const SK_OVERRIDE { } 51 virtual void onGetFontDescriptor(SkFontDescriptor*, bool*) const SK_OVERRIDE { }
52 virtual int onCharsToGlyphs(const void* chars, Encoding encoding,
53 uint16_t glyphs[], int glyphCount) const SK_OVER RIDE {
54 if (glyphs && glyphCount > 0) {
55 sk_bzero(glyphs, glyphCount * sizeof(glyphs[0]));
56 }
57 return 0;
58 }
52 virtual int onCountGlyphs() const SK_OVERRIDE { return 0; }; 59 virtual int onCountGlyphs() const SK_OVERRIDE { return 0; };
53 virtual int onGetUPEM() const SK_OVERRIDE { return 0; }; 60 virtual int onGetUPEM() const SK_OVERRIDE { return 0; };
54 class EmptyLocalizedStrings : public SkTypeface::LocalizedStrings { 61 class EmptyLocalizedStrings : public SkTypeface::LocalizedStrings {
55 public: 62 public:
56 virtual bool next(SkTypeface::LocalizedString*) SK_OVERRIDE { return fal se; } 63 virtual bool next(SkTypeface::LocalizedString*) SK_OVERRIDE { return fal se; }
57 }; 64 };
58 virtual SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const SK_ OVERRIDE { 65 virtual SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const SK_ OVERRIDE {
59 return SkNEW(EmptyLocalizedStrings); 66 return SkNEW(EmptyLocalizedStrings);
60 }; 67 };
61 virtual int onGetTableTags(SkFontTableTag tags[]) const SK_OVERRIDE { return 0; } 68 virtual int onGetTableTags(SkFontTableTag tags[]) const SK_OVERRIDE { return 0; }
(...skipping 178 matching lines...) Expand 10 before | Expand all | Expand 10 after
240 SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics( 247 SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics(
241 SkAdvancedTypefaceMetrics::PerGlyphInfo info, 248 SkAdvancedTypefaceMetrics::PerGlyphInfo info,
242 const uint32_t* glyphIDs, 249 const uint32_t* glyphIDs,
243 uint32_t glyphIDsCount) const { 250 uint32_t glyphIDsCount) const {
244 return this->onGetAdvancedTypefaceMetrics(info, glyphIDs, glyphIDsCount); 251 return this->onGetAdvancedTypefaceMetrics(info, glyphIDs, glyphIDsCount);
245 } 252 }
246 253
247 SkTypeface* SkTypeface::refMatchingStyle(Style style) const { 254 SkTypeface* SkTypeface::refMatchingStyle(Style style) const {
248 return this->onRefMatchingStyle(style); 255 return this->onRefMatchingStyle(style);
249 } 256 }
250
251 ///////////////////////////////////////////////////////////////////////////////
252 ///////////////////////////////////////////////////////////////////////////////
253
254 int SkTypeface::onCharsToGlyphs(const void* chars, Encoding encoding,
255 uint16_t glyphs[], int glyphCount) const {
256 static bool printed = false;
257 if (!printed) {
258 // Only want to see this message once
259 SkDebugf("\n *** onCharsToGlyphs unimplemented ***\n");
260 printed = true;
261 }
262 if (glyphs && glyphCount > 0) {
263 sk_bzero(glyphs, glyphCount * sizeof(glyphs[0]));
264 }
265 return 0;
266 }
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