xref: /aosp_15_r20/external/skia/docs/examples/Bitmap_tryAllocN32Pixels.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_tryAllocN32Pixels, 256, 160, false, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker     SkBitmap bitmap;
7*c8dee2aaSAndroid Build Coastguard Worker     if (bitmap.tryAllocN32Pixels(80, 80)) {
8*c8dee2aaSAndroid Build Coastguard Worker         bitmap.eraseColor(SK_ColorTRANSPARENT);
9*c8dee2aaSAndroid Build Coastguard Worker         bitmap.erase(0x7f3f7fff, SkIRect::MakeWH(50, 30));
10*c8dee2aaSAndroid Build Coastguard Worker         bitmap.erase(0x3f7fff3f, SkIRect::MakeXYWH(20, 10, 50, 30));
11*c8dee2aaSAndroid Build Coastguard Worker         bitmap.erase(0x5fff3f7f, SkIRect::MakeXYWH(40, 20, 50, 30));
12*c8dee2aaSAndroid Build Coastguard Worker         canvas->drawImage(bitmap.asImage(), 0, 0);
13*c8dee2aaSAndroid Build Coastguard Worker         for (int x : { 0, 30, 60, 90 } ) {
14*c8dee2aaSAndroid Build Coastguard Worker             canvas->drawImage(bitmap.asImage(), x, 70);
15*c8dee2aaSAndroid Build Coastguard Worker         }
16*c8dee2aaSAndroid Build Coastguard Worker     }
17*c8dee2aaSAndroid Build Coastguard Worker }
18*c8dee2aaSAndroid Build Coastguard Worker }  // END FIDDLE
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