xref: /aosp_15_r20/external/skia/docs/examples/Image_FromBitmap.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(Image_FromBitmap, 256, 50, 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, 0xA7, 0x87},
8*c8dee2aaSAndroid Build Coastguard Worker                                 {0x9B, 0xB5, 0xE5, 0x95, 0x46},
9*c8dee2aaSAndroid Build Coastguard Worker                                 {0x90, 0x81, 0xC5, 0x71, 0x33},
10*c8dee2aaSAndroid Build Coastguard Worker                                 {0x75, 0x55, 0x44, 0x40, 0x30}};
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         sk_sp<SkImage> image1 = bitmap.asImage();
16*c8dee2aaSAndroid Build Coastguard Worker         bitmap.setImmutable();
17*c8dee2aaSAndroid Build Coastguard Worker         sk_sp<SkImage> image2 = bitmap.asImage();
18*c8dee2aaSAndroid Build Coastguard Worker         *pixmap.writable_addr8(2, 2) = 0x00;
19*c8dee2aaSAndroid Build Coastguard Worker         canvas->scale(10, 10);
20*c8dee2aaSAndroid Build Coastguard Worker         canvas->drawImage(image1, 0, 0);
21*c8dee2aaSAndroid Build Coastguard Worker         canvas->drawImage(image2, 10, 0);
22*c8dee2aaSAndroid Build Coastguard Worker     }
23*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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