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(Dither_a, 256, 256, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker SkBitmap bm16;
7*c8dee2aaSAndroid Build Coastguard Worker bm16.allocPixels(SkImageInfo::Make(32, 32, kRGB_565_SkColorType, kOpaque_SkAlphaType));
8*c8dee2aaSAndroid Build Coastguard Worker SkCanvas c16(bm16);
9*c8dee2aaSAndroid Build Coastguard Worker SkPaint colorPaint;
10*c8dee2aaSAndroid Build Coastguard Worker for (auto dither : { false, true } ) {
11*c8dee2aaSAndroid Build Coastguard Worker colorPaint.setDither(dither);
12*c8dee2aaSAndroid Build Coastguard Worker for (auto colors : { 0xFF333333, 0xFF666666, 0xFF999999, 0xFFCCCCCC } ) {
13*c8dee2aaSAndroid Build Coastguard Worker for (auto mask : { 0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0xFFFFFFFF } ) {
14*c8dee2aaSAndroid Build Coastguard Worker colorPaint.setColor(colors & mask);
15*c8dee2aaSAndroid Build Coastguard Worker c16.drawRect({0, 0, 8, 4}, colorPaint);
16*c8dee2aaSAndroid Build Coastguard Worker c16.translate(8, 0);
17*c8dee2aaSAndroid Build Coastguard Worker }
18*c8dee2aaSAndroid Build Coastguard Worker c16.translate(-32, 4);
19*c8dee2aaSAndroid Build Coastguard Worker }
20*c8dee2aaSAndroid Build Coastguard Worker }
21*c8dee2aaSAndroid Build Coastguard Worker canvas->scale(8, 8);
22*c8dee2aaSAndroid Build Coastguard Worker canvas->drawImage(bm16.asImage(), 0, 0);
23*c8dee2aaSAndroid Build Coastguard Worker }
24*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE
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