1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2020 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(draw_a8_bitmap, 256, 256, false, 3) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker SkBitmap bitmap;
7*c8dee2aaSAndroid Build Coastguard Worker bitmap.allocPixels(SkImageInfo::MakeA8(256, 256));
8*c8dee2aaSAndroid Build Coastguard Worker for (int y = 0; y < bitmap.height(); ++y) {
9*c8dee2aaSAndroid Build Coastguard Worker for (int x = 0; x < bitmap.width(); ++x) {
10*c8dee2aaSAndroid Build Coastguard Worker *bitmap.getAddr8(x, y) = (2 * x + 2 * y) & 0xFF;
11*c8dee2aaSAndroid Build Coastguard Worker }
12*c8dee2aaSAndroid Build Coastguard Worker }
13*c8dee2aaSAndroid Build Coastguard Worker SkPaint paint;
14*c8dee2aaSAndroid Build Coastguard Worker paint.setColor(0xFF00FF00);
15*c8dee2aaSAndroid Build Coastguard Worker canvas->clear(0xFF000000);
16*c8dee2aaSAndroid Build Coastguard Worker canvas->drawImage(bitmap.asImage(), 0, 0, SkSamplingOptions(), &paint);
17*c8dee2aaSAndroid Build Coastguard Worker }
18*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE
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