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Side by Side Diff: src/core/SkAAClip.h

Issue 1316233002: Style Change: NULL->nullptr (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: 2015-08-27 (Thursday) 10:25:06 EDT Created 5 years, 3 months ago
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1 1
2 /* 2 /*
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 Google Inc.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 #ifndef SkAAClip_DEFINED 9 #ifndef SkAAClip_DEFINED
10 #define SkAAClip_DEFINED 10 #define SkAAClip_DEFINED
11 11
12 #include "SkBlitter.h" 12 #include "SkBlitter.h"
13 #include "SkRegion.h" 13 #include "SkRegion.h"
14 14
15 class SkAAClip { 15 class SkAAClip {
16 public: 16 public:
17 SkAAClip(); 17 SkAAClip();
18 SkAAClip(const SkAAClip&); 18 SkAAClip(const SkAAClip&);
19 ~SkAAClip(); 19 ~SkAAClip();
20 20
21 SkAAClip& operator=(const SkAAClip&); 21 SkAAClip& operator=(const SkAAClip&);
22 friend bool operator==(const SkAAClip&, const SkAAClip&); 22 friend bool operator==(const SkAAClip&, const SkAAClip&);
23 friend bool operator!=(const SkAAClip& a, const SkAAClip& b) { 23 friend bool operator!=(const SkAAClip& a, const SkAAClip& b) {
24 return !(a == b); 24 return !(a == b);
25 } 25 }
26 26
27 void swap(SkAAClip&); 27 void swap(SkAAClip&);
28 28
29 bool isEmpty() const { return NULL == fRunHead; } 29 bool isEmpty() const { return nullptr == fRunHead; }
30 const SkIRect& getBounds() const { return fBounds; } 30 const SkIRect& getBounds() const { return fBounds; }
31 31
32 // Returns true iff the clip is not empty, and is just a hard-edged rect (no partial alpha). 32 // Returns true iff the clip is not empty, and is just a hard-edged rect (no partial alpha).
33 // If true, getBounds() can be used in place of this clip. 33 // If true, getBounds() can be used in place of this clip.
34 bool isRect() const; 34 bool isRect() const;
35 35
36 bool setEmpty(); 36 bool setEmpty();
37 bool setRect(const SkIRect&); 37 bool setRect(const SkIRect&);
38 bool setRect(const SkRect&, bool doAA = true); 38 bool setRect(const SkRect&, bool doAA = true);
39 bool setPath(const SkPath&, const SkRegion* clip = NULL, bool doAA = true); 39 bool setPath(const SkPath&, const SkRegion* clip = nullptr, bool doAA = true );
40 bool setRegion(const SkRegion&); 40 bool setRegion(const SkRegion&);
41 bool set(const SkAAClip&); 41 bool set(const SkAAClip&);
42 42
43 bool op(const SkAAClip&, const SkAAClip&, SkRegion::Op); 43 bool op(const SkAAClip&, const SkAAClip&, SkRegion::Op);
44 44
45 // Helpers for op() 45 // Helpers for op()
46 bool op(const SkIRect&, SkRegion::Op); 46 bool op(const SkIRect&, SkRegion::Op);
47 bool op(const SkRect&, SkRegion::Op, bool doAA); 47 bool op(const SkRect&, SkRegion::Op, bool doAA);
48 bool op(const SkAAClip&, SkRegion::Op); 48 bool op(const SkAAClip&, SkRegion::Op);
49 49
50 bool translate(int dx, int dy, SkAAClip* dst) const; 50 bool translate(int dx, int dy, SkAAClip* dst) const;
51 bool translate(int dx, int dy) { 51 bool translate(int dx, int dy) {
52 return this->translate(dx, dy, this); 52 return this->translate(dx, dy, this);
53 } 53 }
54 54
55 /** 55 /**
56 * Allocates a mask the size of the aaclip, and expands its data into 56 * Allocates a mask the size of the aaclip, and expands its data into
57 * the mask, using kA8_Format 57 * the mask, using kA8_Format
58 */ 58 */
59 void copyToMask(SkMask*) const; 59 void copyToMask(SkMask*) const;
60 60
61 // called internally 61 // called internally
62 62
63 bool quickContains(int left, int top, int right, int bottom) const; 63 bool quickContains(int left, int top, int right, int bottom) const;
64 bool quickContains(const SkIRect& r) const { 64 bool quickContains(const SkIRect& r) const {
65 return this->quickContains(r.fLeft, r.fTop, r.fRight, r.fBottom); 65 return this->quickContains(r.fLeft, r.fTop, r.fRight, r.fBottom);
66 } 66 }
67 67
68 const uint8_t* findRow(int y, int* lastYForRow = NULL) const; 68 const uint8_t* findRow(int y, int* lastYForRow = nullptr) const;
69 const uint8_t* findX(const uint8_t data[], int x, int* initialCount = NULL) const; 69 const uint8_t* findX(const uint8_t data[], int x, int* initialCount = nullpt r) const;
70 70
71 class Iter; 71 class Iter;
72 struct RunHead; 72 struct RunHead;
73 struct YOffset; 73 struct YOffset;
74 class Builder; 74 class Builder;
75 75
76 #ifdef SK_DEBUG 76 #ifdef SK_DEBUG
77 void validate() const; 77 void validate() const;
78 void debug(bool compress_y=false) const; 78 void debug(bool compress_y=false) const;
79 #else 79 #else
(...skipping 12 matching lines...) Expand all
92 92
93 friend class Builder; 93 friend class Builder;
94 class BuilderBlitter; 94 class BuilderBlitter;
95 friend class BuilderBlitter; 95 friend class BuilderBlitter;
96 }; 96 };
97 97
98 /////////////////////////////////////////////////////////////////////////////// 98 ///////////////////////////////////////////////////////////////////////////////
99 99
100 class SkAAClipBlitter : public SkBlitter { 100 class SkAAClipBlitter : public SkBlitter {
101 public: 101 public:
102 SkAAClipBlitter() : fScanlineScratch(NULL) {} 102 SkAAClipBlitter() : fScanlineScratch(nullptr) {}
103 virtual ~SkAAClipBlitter(); 103 virtual ~SkAAClipBlitter();
104 104
105 void init(SkBlitter* blitter, const SkAAClip* aaclip) { 105 void init(SkBlitter* blitter, const SkAAClip* aaclip) {
106 SkASSERT(aaclip && !aaclip->isEmpty()); 106 SkASSERT(aaclip && !aaclip->isEmpty());
107 fBlitter = blitter; 107 fBlitter = blitter;
108 fAAClip = aaclip; 108 fAAClip = aaclip;
109 fAAClipBounds = aaclip->getBounds(); 109 fAAClipBounds = aaclip->getBounds();
110 } 110 }
111 111
112 void blitH(int x, int y, int width) override; 112 void blitH(int x, int y, int width) override;
(...skipping 15 matching lines...) Expand all
128 enum { 128 enum {
129 kSize = 32 * 32 129 kSize = 32 * 32
130 }; 130 };
131 SkAutoSMalloc<kSize> fGrayMaskScratch; // used for blitMask 131 SkAutoSMalloc<kSize> fGrayMaskScratch; // used for blitMask
132 void* fScanlineScratch; // enough for a mask at 32bit, or runs+aa 132 void* fScanlineScratch; // enough for a mask at 32bit, or runs+aa
133 133
134 void ensureRunsAndAA(); 134 void ensureRunsAndAA();
135 }; 135 };
136 136
137 #endif 137 #endif
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