1cb93a386Sopenharmony_ci// Copyright 2020 Google LLC.
2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
4cb93a386Sopenharmony_ciREG_FIDDLE(dither1, 256, 100, false, 0) {
5cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
6cb93a386Sopenharmony_ci    SkBitmap bm16;
7cb93a386Sopenharmony_ci    bm16.allocPixels(SkImageInfo::Make(32, 32, kRGB_565_SkColorType, kOpaque_SkAlphaType));
8cb93a386Sopenharmony_ci    SkCanvas c16(bm16);
9cb93a386Sopenharmony_ci    SkPaint colorPaint;
10cb93a386Sopenharmony_ci    for (auto dither : {false, true}) {
11cb93a386Sopenharmony_ci        colorPaint.setDither(dither);
12cb93a386Sopenharmony_ci        for (auto colors : {0xFF333333, 0xFF666666, 0xFF999999, 0xFFCCCCCC}) {
13cb93a386Sopenharmony_ci            for (auto mask : {0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0xFFFFFFFF}) {
14cb93a386Sopenharmony_ci                colorPaint.setColor(colors & mask);
15cb93a386Sopenharmony_ci                c16.drawRect({0, 0, 8, 4}, colorPaint);
16cb93a386Sopenharmony_ci                c16.translate(8, 0);
17cb93a386Sopenharmony_ci            }
18cb93a386Sopenharmony_ci            c16.translate(-32, 4);
19cb93a386Sopenharmony_ci        }
20cb93a386Sopenharmony_ci    }
21cb93a386Sopenharmony_ci    canvas->scale(8, 8);
22cb93a386Sopenharmony_ci    canvas->drawImage(bm16.asImage(), 0, 0);
23cb93a386Sopenharmony_ci}
24cb93a386Sopenharmony_ci
25cb93a386Sopenharmony_ci}  // END FIDDLE
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