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=8b26507690b71462f44642b911890bbf 5REG_FIDDLE(Dither_a, 256, 256, false, 0) { 6void draw(SkCanvas* canvas) { 7 SkBitmap bm16; 8 bm16.allocPixels(SkImageInfo::Make(32, 32, kRGB_565_SkColorType, kOpaque_SkAlphaType)); 9 SkCanvas c16(bm16); 10 SkPaint colorPaint; 11 for (auto dither : { false, true } ) { 12 colorPaint.setDither(dither); 13 for (auto colors : { 0xFF333333, 0xFF666666, 0xFF999999, 0xFFCCCCCC } ) { 14 for (auto mask : { 0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0xFFFFFFFF } ) { 15 colorPaint.setColor(colors & mask); 16 c16.drawRect({0, 0, 8, 4}, colorPaint); 17 c16.translate(8, 0); 18 } 19 c16.translate(-32, 4); 20 } 21 } 22 canvas->scale(8, 8); 23 canvas->drawImage(bm16.asImage(), 0, 0); 24} 25} // END FIDDLE 26