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// HASH=daacf43394ce4045a362a48b5774deed 5REG_FIDDLE(Bitmap_drawsNothing, 256, 256, true, 0) { 6void draw(SkCanvas* canvas) { 7 SkBitmap bitmap; 8 for (int w : { 0, 8 } ) { 9 for (bool allocate : { false, true} ) { 10 bitmap.setInfo(SkImageInfo::MakeA8(w, 8)); 11 allocate ? bitmap.allocPixels() : (void) 0 ; 12 SkDebugf("empty:%s isNull:%s drawsNothing:%s\n", bitmap.empty() ? "true " : "false", 13 bitmap.isNull() ? "true " : "false", bitmap.drawsNothing() ? "true" : "false"); 14 } 15 } 16} 17} // END FIDDLE 18