1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC. 2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. 3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h" 4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(ImageInfo_isOpaque, 256, 256, true, 0) { draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Workervoid draw(SkCanvas* canvas) { 6*c8dee2aaSAndroid Build Coastguard Worker const int height = 2; 7*c8dee2aaSAndroid Build Coastguard Worker const int width = 2; 8*c8dee2aaSAndroid Build Coastguard Worker SkBitmap bitmap; 9*c8dee2aaSAndroid Build Coastguard Worker SkImageInfo imageInfo = SkImageInfo::Make(width, height, kN32_SkColorType, kPremul_SkAlphaType); 10*c8dee2aaSAndroid Build Coastguard Worker bitmap.setInfo(imageInfo); 11*c8dee2aaSAndroid Build Coastguard Worker for (int index = 0; index < 2; ++index) { 12*c8dee2aaSAndroid Build Coastguard Worker bitmap.allocPixels(); 13*c8dee2aaSAndroid Build Coastguard Worker bitmap.eraseColor(0x00000000); 14*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("isOpaque: %s\n", imageInfo.isOpaque() ? "true" : "false"); 15*c8dee2aaSAndroid Build Coastguard Worker bitmap.eraseColor(0xFFFFFFFF); 16*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("isOpaque: %s\n", imageInfo.isOpaque() ? "true" : "false"); 17*c8dee2aaSAndroid Build Coastguard Worker imageInfo = imageInfo.makeAlphaType(kOpaque_SkAlphaType); 18*c8dee2aaSAndroid Build Coastguard Worker bitmap.setInfo(imageInfo); 19*c8dee2aaSAndroid Build Coastguard Worker } 20*c8dee2aaSAndroid Build Coastguard Worker } 21*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE 22