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(Bitmap_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 bitmap.setInfo(SkImageInfo::Make(width, height, kN32_SkColorType, kPremul_SkAlphaType)); 10 for (int index = 0; index < 2; ++index) { 11 bitmap.allocPixels(); 12 bitmap.eraseColor(0x00000000); 13 SkDebugf("isOpaque: %s\n", bitmap.isOpaque() ? "true" : "false"); 14 bitmap.eraseColor(0xFFFFFFFF); 15 SkDebugf("isOpaque: %s\n", bitmap.isOpaque() ? "true" : "false"); 16 bitmap.setInfo(bitmap.info().makeAlphaType(kOpaque_SkAlphaType)); 17 } 18 } 19 } // END FIDDLE 20