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Side by Side Diff: gm/pathopsinverse.cpp

Issue 1037573004: cumulative pathops patch (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: fix pathopsinverse gm Created 5 years, 8 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 Google Inc.
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 "gm.h" 8 #include "gm.h"
9 #include "SkBitmap.h" 9 #include "SkBitmap.h"
10 #include "SkPath.h" 10 #include "SkPath.h"
11 #include "SkPathOps.h" 11 #include "SkPathOps.h"
12 #include "SkRect.h" 12 #include "SkRect.h"
13 13
14 namespace skiagm { 14 namespace skiagm {
15 15
16 class PathOpsInverseGM : public GM { 16 class PathOpsInverseGM : public GM {
17 public: 17 public:
18 PathOpsInverseGM() { 18 PathOpsInverseGM() {
19 } 19 }
20 20
21 protected: 21 protected:
22 void onOnceBeforeDraw() override { 22 void onOnceBeforeDraw() override {
23 const unsigned oneColor = 0xFF8080FF; 23 const unsigned oneColor = 0xFF8080FF;
24 const unsigned twoColor = 0x807F1f1f; 24 const unsigned twoColor = 0x807F1f1f;
25 SkColor blendColor = blend(oneColor, twoColor); 25 SkColor blendColor = blend(oneColor, twoColor);
26 makePaint(&fOnePaint, oneColor); 26 makePaint(&fOnePaint, oneColor);
27 makePaint(&fTwoPaint, twoColor); 27 makePaint(&fTwoPaint, twoColor);
28 makePaint(&fOpPaint[kDifference_PathOp], oneColor); 28 makePaint(&fOpPaint[kDifference_SkPathOp], oneColor);
29 makePaint(&fOpPaint[kIntersect_PathOp], blendColor); 29 makePaint(&fOpPaint[kIntersect_SkPathOp], blendColor);
30 makePaint(&fOpPaint[kUnion_PathOp], 0xFFc0FFc0); 30 makePaint(&fOpPaint[kUnion_SkPathOp], 0xFFc0FFc0);
31 makePaint(&fOpPaint[kReverseDifference_PathOp], twoColor); 31 makePaint(&fOpPaint[kReverseDifference_SkPathOp], twoColor);
32 makePaint(&fOpPaint[kXOR_PathOp], 0xFFa0FFe0); 32 makePaint(&fOpPaint[kXOR_SkPathOp], 0xFFa0FFe0);
33 makePaint(&fOutlinePaint, 0xFF000000); 33 makePaint(&fOutlinePaint, 0xFF000000);
34 fOutlinePaint.setStyle(SkPaint::kStroke_Style); 34 fOutlinePaint.setStyle(SkPaint::kStroke_Style);
35 } 35 }
36 36
37 SkColor blend(SkColor one, SkColor two) { 37 SkColor blend(SkColor one, SkColor two) {
38 SkBitmap temp; 38 SkBitmap temp;
39 temp.allocN32Pixels(1, 1); 39 temp.allocN32Pixels(1, 1);
40 SkCanvas canvas(temp); 40 SkCanvas canvas(temp);
41 canvas.drawColor(one); 41 canvas.drawColor(one);
42 canvas.drawColor(two); 42 canvas.drawColor(two);
(...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after
75 two.addRect(40, 40, 100, 100); 75 two.addRect(40, 40, 100, 100);
76 canvas->save(); 76 canvas->save();
77 canvas->translate(0, SkIntToScalar(yPos)); 77 canvas->translate(0, SkIntToScalar(yPos));
78 canvas->clipRect(SkRect::MakeWH(110, 110), SkRegion::kIntersect_ Op, true); 78 canvas->clipRect(SkRect::MakeWH(110, 110), SkRegion::kIntersect_ Op, true);
79 canvas->drawPath(one, fOnePaint); 79 canvas->drawPath(one, fOnePaint);
80 canvas->drawPath(one, fOutlinePaint); 80 canvas->drawPath(one, fOutlinePaint);
81 canvas->drawPath(two, fTwoPaint); 81 canvas->drawPath(two, fTwoPaint);
82 canvas->drawPath(two, fOutlinePaint); 82 canvas->drawPath(two, fOutlinePaint);
83 canvas->restore(); 83 canvas->restore();
84 int xPos = 150; 84 int xPos = 150;
85 for (int op = kDifference_PathOp; op <= kReverseDifference_PathO p; ++op) { 85 for (int op = kDifference_SkPathOp; op <= kReverseDifference_SkP athOp; ++op) {
86 SkPath result; 86 SkPath result;
87 Op(one, two, (SkPathOp) op, &result); 87 Op(one, two, (SkPathOp) op, &result);
88 canvas->save(); 88 canvas->save();
89 canvas->translate(SkIntToScalar(xPos), SkIntToScalar(yPos)); 89 canvas->translate(SkIntToScalar(xPos), SkIntToScalar(yPos));
90 canvas->clipRect(SkRect::MakeWH(110, 110), SkRegion::kInters ect_Op, true); 90 canvas->clipRect(SkRect::MakeWH(110, 110), SkRegion::kInters ect_Op, true);
91 canvas->drawPath(result, fOpPaint[op]); 91 canvas->drawPath(result, fOpPaint[op]);
92 canvas->drawPath(result, fOutlinePaint); 92 canvas->drawPath(result, fOutlinePaint);
93 canvas->restore(); 93 canvas->restore();
94 xPos += 150; 94 xPos += 150;
95 } 95 }
96 yPos += 150; 96 yPos += 150;
97 } 97 }
98 } 98 }
99 } 99 }
100 100
101 private: 101 private:
102 SkPaint fOnePaint; 102 SkPaint fOnePaint;
103 SkPaint fTwoPaint; 103 SkPaint fTwoPaint;
104 SkPaint fOutlinePaint; 104 SkPaint fOutlinePaint;
105 SkPaint fOpPaint[kReverseDifference_PathOp - kDifference_PathOp + 1]; 105 SkPaint fOpPaint[kReverseDifference_SkPathOp - kDifference_SkPathOp + 1];
106 typedef GM INHERITED; 106 typedef GM INHERITED;
107 }; 107 };
108 108
109 ////////////////////////////////////////////////////////////////////////////// 109 //////////////////////////////////////////////////////////////////////////////
110 110
111 static GM* MyFactory(void*) { return new PathOpsInverseGM; } 111 static GM* MyFactory(void*) { return new PathOpsInverseGM; }
112 static GMRegistry reg(MyFactory); 112 static GMRegistry reg(MyFactory);
113 113
114 } 114 }
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