1 // Copyright 2019 Google LLC. 2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. 3 4 #include "gm/gm.h" 5 #include "include/core/SkCanvas.h" 6 #include "include/core/SkImage.h" 7 #include "include/core/SkMatrix.h" 8 #include "include/core/SkPaint.h" 9 #include "include/core/SkRect.h" 10 #include "include/core/SkRefCnt.h" 11 #include "include/core/SkShader.h" 12 #include "include/core/SkTileMode.h" 13 #include "tools/Resources.h" 14 15 // http://crbug.com/957275 16 DEF_SIMPLE_GM(tilemodes_alpha, canvas, 512, 512) { 17 sk_sp<SkImage> image = GetResourceAsImage("images/mandrill_64.png"); 18 if (!image) { 19 return; 20 } 21 constexpr SkTileMode kModes[4] = { 22 SkTileMode::kClamp, 23 SkTileMode::kRepeat, 24 SkTileMode::kMirror, 25 SkTileMode::kDecal, 26 }; 27 for (int y = 0; y < 4; ++y) { 28 for (int x = 0; x < 4; ++x) { 29 SkRect rect = SkRect::MakeXYWH(128 * x + 1, 128 * y + 1, 126, 126); 30 SkMatrix matrix = SkMatrix::Translate(rect.x(), rect.y()); 31 SkPaint paint(SkColor4f{0, 0, 0, 0.5f}); 32 paint.setShader(image->makeShader(kModes[x], kModes[y], SkSamplingOptions(), &matrix)); 33 canvas->drawRect(rect, paint); 34 } 35 } 36 } 37