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

Issue 2393643002: Resubmit issue 2221103002 to fix the iOS build by declaring the flag in (Closed)
Patch Set: Created 4 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2006 The Android Open Source Project 2 * Copyright 2006 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 "SkBlitter.h" 8 #include "SkBlitter.h"
9 #include "SkAntiRun.h" 9 #include "SkAntiRun.h"
10 #include "SkColor.h" 10 #include "SkColor.h"
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64 } 64 }
65 } 65 }
66 66
67 void SkBlitter::blitRect(int x, int y, int width, int height) { 67 void SkBlitter::blitRect(int x, int y, int width, int height) {
68 SkASSERT(width > 0); 68 SkASSERT(width > 0);
69 while (--height >= 0) { 69 while (--height >= 0) {
70 this->blitH(x, y++, width); 70 this->blitH(x, y++, width);
71 } 71 }
72 } 72 }
73 73
74 /// Default implementation doesn't check for any easy optimizations 74 /// Default implementation doesn't check for easy optimizations
75 /// such as alpha == 0 or 255; also uses blitV(), which some subclasses 75 /// such as alpha == 255; also uses blitV(), which some subclasses
76 /// may not support. 76 /// may not support.
77 void SkBlitter::blitAntiRect(int x, int y, int width, int height, 77 void SkBlitter::blitAntiRect(int x, int y, int width, int height,
78 SkAlpha leftAlpha, SkAlpha rightAlpha) { 78 SkAlpha leftAlpha, SkAlpha rightAlpha) {
79 this->blitV(x++, y, height, leftAlpha); 79 if (leftAlpha > 0) { // we may send in x = -1 with leftAlpha = 0
80 this->blitV(x, y, height, leftAlpha);
81 }
82 x++;
80 if (width > 0) { 83 if (width > 0) {
81 this->blitRect(x, y, width, height); 84 this->blitRect(x, y, width, height);
82 x += width; 85 x += width;
83 } 86 }
84 this->blitV(x, y, height, rightAlpha); 87 if (rightAlpha > 0) {
88 this->blitV(x, y, height, rightAlpha);
89 }
85 } 90 }
86 91
87 ////////////////////////////////////////////////////////////////////////////// 92 //////////////////////////////////////////////////////////////////////////////
88 93
89 static inline void bits_to_runs(SkBlitter* blitter, int x, int y, 94 static inline void bits_to_runs(SkBlitter* blitter, int x, int y,
90 const uint8_t bits[], 95 const uint8_t bits[],
91 uint8_t left_mask, ptrdiff_t rowBytes, 96 uint8_t left_mask, ptrdiff_t rowBytes,
92 uint8_t right_mask) { 97 uint8_t right_mask) {
93 int inFill = 0; 98 int inFill = 0;
94 int pos = 0; 99 int pos = 0;
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1009 fShaderContext->~Context(); 1014 fShaderContext->~Context();
1010 SkShader::Context* ctx = fShader->createContext(rec, (void*)fShaderContext); 1015 SkShader::Context* ctx = fShader->createContext(rec, (void*)fShaderContext);
1011 if (nullptr == ctx) { 1016 if (nullptr == ctx) {
1012 // Need a valid context in fShaderContext's storage, so we can later (or our caller) call 1017 // Need a valid context in fShaderContext's storage, so we can later (or our caller) call
1013 // the in-place destructor. 1018 // the in-place destructor.
1014 new (fShaderContext) SkZeroShaderContext(*fShader, rec); 1019 new (fShaderContext) SkZeroShaderContext(*fShader, rec);
1015 return false; 1020 return false;
1016 } 1021 }
1017 return true; 1022 return true;
1018 } 1023 }
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