virtual void onDrawContent(SkCanvas* canvas) {
        drawSomething(canvas);

        SkPicture* pict = new SkPicture;
        SkAutoUnref aur(pict);

        drawSomething(pict->beginRecording(100, 100));
        pict->endRecording();

        canvas->save();
        canvas->translate(SkIntToScalar(300), SkIntToScalar(50));
        canvas->scale(-SK_Scalar1, -SK_Scalar1);
        canvas->translate(-SkIntToScalar(100), -SkIntToScalar(50));
        canvas->drawPicture(*pict);
        canvas->restore();

        canvas->save();
        canvas->translate(SkIntToScalar(200), SkIntToScalar(150));
        canvas->scale(SK_Scalar1, -SK_Scalar1);
        canvas->translate(0, -SkIntToScalar(50));
        canvas->drawPicture(*pict);
        canvas->restore();

        canvas->save();
        canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
        canvas->scale(-SK_Scalar1, SK_Scalar1);
        canvas->translate(-SkIntToScalar(100), 0);
        canvas->drawPicture(*pict);
        canvas->restore();

#ifdef SK_DEVELOPER
        if (false) {
            SkDebugfDumper dumper;
            SkDumpCanvas dumpCanvas(&dumper);
            dumpCanvas.drawPicture(*pict);
        }
#endif

        // test that we can re-record a subpicture, and see the results

        SkMWCRandom rand(SampleCode::GetAnimTime());
        canvas->translate(SkIntToScalar(10), SkIntToScalar(250));
        drawCircle(fSubPicture->beginRecording(50, 50), 25,
                   rand.nextU() | 0xFF000000);
        canvas->drawPicture(*fPicture);
        delayInval(500);
    }
예제 #2
0
    virtual void onDrawContent(SkCanvas* canvas) {
        this->drawSomething(canvas);

        SkPictureRecorder recorder;
        this->drawSomething(recorder.beginRecording(100, 100, NULL, 0));
        SkAutoTUnref<SkPicture> pict(recorder.endRecording());

        canvas->save();
        canvas->translate(SkIntToScalar(300), SkIntToScalar(50));
        canvas->scale(-SK_Scalar1, -SK_Scalar1);
        canvas->translate(-SkIntToScalar(100), -SkIntToScalar(50));
        canvas->drawPicture(pict);
        canvas->restore();

        canvas->save();
        canvas->translate(SkIntToScalar(200), SkIntToScalar(150));
        canvas->scale(SK_Scalar1, -SK_Scalar1);
        canvas->translate(0, -SkIntToScalar(50));
        canvas->drawPicture(pict);
        canvas->restore();

        canvas->save();
        canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
        canvas->scale(-SK_Scalar1, SK_Scalar1);
        canvas->translate(-SkIntToScalar(100), 0);
        canvas->drawPicture(pict);
        canvas->restore();

#ifdef SK_DEVELOPER
        if (false) {
            SkDebugfDumper dumper;
            SkDumpCanvas dumpCanvas(&dumper);
            dumpCanvas.drawPicture(pict);
        }
#endif

        // This used to re-record the sub-picture and redraw the parent
        // A capability that is now forbidden!

        SkRandom rand(SampleCode::GetAnimTime());
        canvas->translate(SkIntToScalar(10), SkIntToScalar(250));
        canvas->drawPicture(fPicture);
        delayInval(500);
    }