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Side by Side Diff: gm/lattice.cpp

Issue 2305433002: Add option to skip rects to drawImageLattice() (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: numRectsToDraw() Created 4 years, 3 months ago
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1 /* 1 /*
2 * Copyright 2016 Google Inc. 2 * Copyright 2016 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 "SkSurface.h" 9 #include "SkSurface.h"
10 10
(...skipping 95 matching lines...) Expand 10 before | Expand all | Expand 10 after
106 canvas->drawImage(image, 10, 10, nullptr); 106 canvas->drawImage(image, 10, 10, nullptr);
107 107
108 SkScalar x = SkIntToScalar(100); 108 SkScalar x = SkIntToScalar(100);
109 SkScalar y = SkIntToScalar(100); 109 SkScalar y = SkIntToScalar(100);
110 110
111 SkCanvas::Lattice lattice; 111 SkCanvas::Lattice lattice;
112 lattice.fXCount = 4; 112 lattice.fXCount = 4;
113 lattice.fXDivs = xDivs + 1; 113 lattice.fXDivs = xDivs + 1;
114 lattice.fYCount = 4; 114 lattice.fYCount = 4;
115 lattice.fYDivs = yDivs + 1; 115 lattice.fYDivs = yDivs + 1;
116 lattice.fFlags = nullptr;
117 lattice.fFlagCount = 0;
116 118
117 for (int iy = 0; iy < 2; ++iy) { 119 for (int iy = 0; iy < 2; ++iy) {
118 for (int ix = 0; ix < 2; ++ix) { 120 for (int ix = 0; ix < 2; ++ix) {
119 int i = ix * 2 + iy; 121 int i = ix * 2 + iy;
120 SkRect r = SkRect::MakeXYWH(x + ix * 60, y + iy * 60, 122 SkRect r = SkRect::MakeXYWH(x + ix * 60, y + iy * 60,
121 size[i].width(), size[i].height()); 123 size[i].width(), size[i].height());
122 canvas->drawBitmapLattice(bitmap, lattice, r); 124 canvas->drawBitmapLattice(bitmap, lattice, r);
123 } 125 }
124 } 126 }
125 127
126 // Include the degenerate first div. While normally the first patch is "scalable", 128 // Include the degenerate first div. While normally the first patch is "scalable",
127 // this will mean that the first non-degenerate patch is "fixed". 129 // this will mean that the first non-degenerate patch is "fixed".
128 lattice.fXCount = 5; 130 lattice.fXCount = 5;
129 lattice.fXDivs = xDivs; 131 lattice.fXDivs = xDivs;
130 lattice.fYCount = 5; 132 lattice.fYCount = 5;
131 lattice.fYDivs = yDivs; 133 lattice.fYDivs = yDivs;
132 134
135 // Let's skip a few rects.
136 SkCanvas::Lattice::Flags flags[25];
137 sk_bzero(flags, 25 * sizeof(SkCanvas::Lattice::Flags));
138 flags[4] = SkCanvas::Lattice::kSkip_Flags;
139 flags[9] = SkCanvas::Lattice::kSkip_Flags;
140 flags[12] = SkCanvas::Lattice::kSkip_Flags;
141 lattice.fFlags = flags;
142 lattice.fFlagCount = 25;
143
133 canvas->translate(400, 0); 144 canvas->translate(400, 0);
134 for (int iy = 0; iy < 2; ++iy) { 145 for (int iy = 0; iy < 2; ++iy) {
135 for (int ix = 0; ix < 2; ++ix) { 146 for (int ix = 0; ix < 2; ++ix) {
136 int i = ix * 2 + iy; 147 int i = ix * 2 + iy;
137 SkRect r = SkRect::MakeXYWH(x + ix * 60, y + iy * 60, 148 SkRect r = SkRect::MakeXYWH(x + ix * 60, y + iy * 60,
138 size[i].width(), size[i].height()); 149 size[i].width(), size[i].height());
139 canvas->drawImageLattice(image.get(), lattice, r); 150 canvas->drawImageLattice(image.get(), lattice, r);
140 } 151 }
141 } 152 }
142 } 153 }
143 154
144 private: 155 private:
145 typedef skiagm::GM INHERITED; 156 typedef skiagm::GM INHERITED;
146 }; 157 };
147 DEF_GM( return new LatticeGM; ) 158 DEF_GM( return new LatticeGM; )
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