xref: /aosp_15_r20/external/skia/docs/examples/Bitmap_installPixels_3.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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(Bitmap_installPixels_3, 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] = {{ 0xCA, 0xDA, 0xCA, 0xC9, 0xA3 },
7*c8dee2aaSAndroid Build Coastguard Worker                             { 0xAC, 0xA8, 0x89, 0x47, 0x87 },
8*c8dee2aaSAndroid Build Coastguard Worker                             { 0x4B, 0x25, 0x25, 0x25, 0x46 },
9*c8dee2aaSAndroid Build Coastguard Worker                             { 0x90, 0x81, 0x25, 0x41, 0x33 },
10*c8dee2aaSAndroid Build Coastguard Worker                             { 0x75, 0x55, 0x44, 0x20, 0x00 }};
11*c8dee2aaSAndroid Build Coastguard Worker     SkImageInfo imageInfo = SkImageInfo::Make(5, 5, kGray_8_SkColorType, kOpaque_SkAlphaType);
12*c8dee2aaSAndroid Build Coastguard Worker     SkPixmap pixmap(imageInfo, storage[0], sizeof(storage) / 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) = 0xFF;
18*c8dee2aaSAndroid Build Coastguard Worker     bitmap.installPixels(pixmap);
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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