skia2/docs/examples/Picture_AbortCallback_abort.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-03-19 18:49:22 +00:00

25 lines
887 B
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "fiddle/examples.h"
// HASH=56ed920dadbf2b2967ac45fb5a9bded6
REG_FIDDLE(Picture_AbortCallback_abort, 256, 256, false, 0) {
class JustOneDraw : public SkPicture::AbortCallback {
public:
bool abort() override { return fCalls++ > 0; }
private:
int fCalls = 0;
};
void draw(SkCanvas* canvas) {
SkPictureRecorder recorder;
SkCanvas* pictureCanvas = recorder.beginRecording({0, 0, 256, 256});
SkPaint paint;
pictureCanvas->drawRect(SkRect::MakeWH(200, 200), paint);
paint.setColor(SK_ColorWHITE);
pictureCanvas->drawRect(SkRect::MakeLTRB(20, 20, 180, 180), paint);
sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
JustOneDraw callback;
picture->playback(canvas, &callback);
}
} // END FIDDLE