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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 "SkEndian.h" | 9 #include "SkEndian.h" |
10 #include "SkFontDescriptor.h" | 10 #include "SkFontDescriptor.h" |
11 #include "SkFontMgr.h" | 11 #include "SkFontMgr.h" |
12 #include "SkLazyPtr.h" | 12 #include "SkLazyPtr.h" |
13 #include "SkOTTable_OS_2.h" | 13 #include "SkOTTable_OS_2.h" |
14 #include "SkStream.h" | 14 #include "SkStream.h" |
15 #include "SkTypeface.h" | 15 #include "SkTypeface.h" |
16 | 16 |
17 //#define TRACE_LIFECYCLE | 17 SkTypeface::SkTypeface(const SkFontStyle& style, SkFontID fontID, bool isFixedPi
tch) |
| 18 : fUniqueID(fontID), fStyle(style), fIsFixedPitch(isFixedPitch) { } |
18 | 19 |
19 #ifdef TRACE_LIFECYCLE | 20 SkTypeface::~SkTypeface() { } |
20 static int32_t gTypefaceCounter; | |
21 #endif | |
22 | |
23 SkTypeface::SkTypeface(Style style, SkFontID fontID, bool isFixedPitch) | |
24 : fUniqueID(fontID), fStyle(style), fIsFixedPitch(isFixedPitch) { | |
25 #ifdef TRACE_LIFECYCLE | |
26 SkDebugf("SkTypeface: create %p fontID %d total %d\n", | |
27 this, fontID, ++gTypefaceCounter); | |
28 #endif | |
29 } | |
30 | |
31 SkTypeface::~SkTypeface() { | |
32 #ifdef TRACE_LIFECYCLE | |
33 SkDebugf("SkTypeface: destroy %p fontID %d total %d\n", | |
34 this, fUniqueID, --gTypefaceCounter); | |
35 #endif | |
36 } | |
37 | 21 |
38 /////////////////////////////////////////////////////////////////////////////// | 22 /////////////////////////////////////////////////////////////////////////////// |
39 | 23 |
40 class SkEmptyTypeface : public SkTypeface { | 24 class SkEmptyTypeface : public SkTypeface { |
41 public: | 25 public: |
42 static SkEmptyTypeface* Create() { | 26 static SkEmptyTypeface* Create() { |
43 return SkNEW(SkEmptyTypeface); | 27 return SkNEW(SkEmptyTypeface); |
44 } | 28 } |
45 protected: | 29 protected: |
46 SkEmptyTypeface() : SkTypeface(SkTypeface::kNormal, 0, true) { } | 30 SkEmptyTypeface() : SkTypeface(SkFontStyle(), 0, true) { } |
47 | 31 |
48 virtual SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE { return NUL
L; } | 32 virtual SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE { return NUL
L; } |
49 virtual SkScalerContext* onCreateScalerContext(const SkDescriptor*) const SK
_OVERRIDE { | 33 virtual SkScalerContext* onCreateScalerContext(const SkDescriptor*) const SK
_OVERRIDE { |
50 return NULL; | 34 return NULL; |
51 } | 35 } |
52 virtual void onFilterRec(SkScalerContextRec*) const SK_OVERRIDE { } | 36 virtual void onFilterRec(SkScalerContextRec*) const SK_OVERRIDE { } |
53 virtual SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics( | 37 virtual SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics( |
54 SkAdvancedTypefaceMetrics::PerGlyphInfo, | 38 SkAdvancedTypefaceMetrics::PerGlyphInfo, |
55 const uint32_t*, uint32_t) const SK_OVERRIDE { r
eturn NULL; } | 39 const uint32_t*, uint32_t) const SK_OVERRIDE { r
eturn NULL; } |
56 virtual void onGetFontDescriptor(SkFontDescriptor*, bool*) const SK_OVERRIDE
{ } | 40 virtual void onGetFontDescriptor(SkFontDescriptor*, bool*) const SK_OVERRIDE
{ } |
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293 } | 277 } |
294 return result; | 278 return result; |
295 } | 279 } |
296 | 280 |
297 /////////////////////////////////////////////////////////////////////////////// | 281 /////////////////////////////////////////////////////////////////////////////// |
298 | 282 |
299 bool SkTypeface::onGetKerningPairAdjustments(const uint16_t glyphs[], int count, | 283 bool SkTypeface::onGetKerningPairAdjustments(const uint16_t glyphs[], int count, |
300 int32_t adjustments[]) const { | 284 int32_t adjustments[]) const { |
301 return false; | 285 return false; |
302 } | 286 } |
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