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 #include "tools/fiddle/examples.h" 4 REG_FIDDLE(ImageInfo_isOpaque, 256, 256, true, 0) { draw(SkCanvas * canvas)5void draw(SkCanvas* canvas) { 6 const int height = 2; 7 const int width = 2; 8 SkBitmap bitmap; 9 SkImageInfo imageInfo = SkImageInfo::Make(width, height, kN32_SkColorType, kPremul_SkAlphaType); 10 bitmap.setInfo(imageInfo); 11 for (int index = 0; index < 2; ++index) { 12 bitmap.allocPixels(); 13 bitmap.eraseColor(0x00000000); 14 SkDebugf("isOpaque: %s\n", imageInfo.isOpaque() ? "true" : "false"); 15 bitmap.eraseColor(0xFFFFFFFF); 16 SkDebugf("isOpaque: %s\n", imageInfo.isOpaque() ? "true" : "false"); 17 imageInfo = imageInfo.makeAlphaType(kOpaque_SkAlphaType); 18 bitmap.setInfo(imageInfo); 19 } 20 } 21 } // END FIDDLE 22