xref: /aosp_15_r20/external/skia/docs/examples/Image_DeferredFromPicture.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 // Copyright 2019 Google LLC.
2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3 #include "tools/fiddle/examples.h"
4 REG_FIDDLE(Image_DeferredFromPicture, 256, 256, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkPaint paint;
7     SkPictureRecorder recorder;
8     SkCanvas* recordingCanvas = recorder.beginRecording(50, 50);
9     for (auto color : { SK_ColorRED, SK_ColorBLUE, 0xff007f00 } ) {
10         paint.setColor(color);
11         recordingCanvas->drawRect({10, 10, 30, 40}, paint);
12         recordingCanvas->translate(10, 10);
13         recordingCanvas->scale(1.2f, 1.4f);
14     }
15     sk_sp<SkPicture> playback = recorder.finishRecordingAsPicture();
16     int x = 0, y = 0;
17     for (auto alpha : { 70, 140, 210 } ) {
18         paint.setAlpha(alpha);
19         auto srgbColorSpace = SkColorSpace::MakeSRGB();
20         sk_sp<SkImage> image = SkImages::DeferredFromPicture(
21                 playback, {50, 50}, nullptr, &paint, SkImages::BitDepth::kU8, srgbColorSpace);
22         canvas->drawImage(image, x, y);
23         x += 70; y += 70;
24     }
25 }
26 }  // END FIDDLE
27