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(Pixmap_writable_addr8, 256, 64, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker uint8_t storage[][5] = {{ 0, 0, 64, 0, 0},
7*c8dee2aaSAndroid Build Coastguard Worker { 0, 128, 255, 128, 0},
8*c8dee2aaSAndroid Build Coastguard Worker {64, 255, 255, 255, 64},
9*c8dee2aaSAndroid Build Coastguard Worker { 0, 128, 255, 128, 0},
10*c8dee2aaSAndroid Build Coastguard Worker { 0, 0, 64, 0, 0}};
11*c8dee2aaSAndroid Build Coastguard Worker SkImageInfo imageInfo = SkImageInfo::Make(5, 5, kGray_8_SkColorType, kPremul_SkAlphaType);
12*c8dee2aaSAndroid Build Coastguard Worker SkPixmap pixmap(imageInfo, storage[0], 5);
13*c8dee2aaSAndroid Build Coastguard Worker SkBitmap bitmap;
14*c8dee2aaSAndroid Build Coastguard Worker bitmap.installPixels(pixmap);
15*c8dee2aaSAndroid Build Coastguard Worker canvas->scale(10, 10);
16*c8dee2aaSAndroid Build Coastguard Worker canvas->drawImage(bitmap.asImage(), 0, 0);
17*c8dee2aaSAndroid Build Coastguard Worker *pixmap.writable_addr8(2, 2) = 0;
18*c8dee2aaSAndroid Build Coastguard Worker // bitmap.installPixels(pixmap); // uncomment to fix on GPU
19*c8dee2aaSAndroid Build Coastguard Worker canvas->drawImage(bitmap.asImage(), 10, 0);
20*c8dee2aaSAndroid Build Coastguard Worker }
21*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE
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