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(Bitmap_ComputeIsOpaque, 256, 256, true, 0) { draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Workervoid draw(SkCanvas* canvas) { 6*c8dee2aaSAndroid Build Coastguard Worker SkBitmap bitmap; 7*c8dee2aaSAndroid Build Coastguard Worker bitmap.setInfo(SkImageInfo::Make(2, 2, kN32_SkColorType, kPremul_SkAlphaType)); 8*c8dee2aaSAndroid Build Coastguard Worker for (int index = 0; index < 2; ++index) { 9*c8dee2aaSAndroid Build Coastguard Worker bitmap.allocPixels(); 10*c8dee2aaSAndroid Build Coastguard Worker bitmap.eraseColor(0x00000000); 11*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("computeIsOpaque: %s\n", SkBitmap::ComputeIsOpaque(bitmap) ? "true" : "false"); 12*c8dee2aaSAndroid Build Coastguard Worker bitmap.eraseColor(0xFFFFFFFF); 13*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("computeIsOpaque: %s\n", SkBitmap::ComputeIsOpaque(bitmap) ? "true" : "false"); 14*c8dee2aaSAndroid Build Coastguard Worker bitmap.setInfo(bitmap.info().makeAlphaType(kOpaque_SkAlphaType)); 15*c8dee2aaSAndroid Build Coastguard Worker } 16*c8dee2aaSAndroid Build Coastguard Worker } 17*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE 18