void KisCoordinatesConverterTest::testImageCropping()
{
    KisImageSP image;
    KisCoordinatesConverter converter;
    initImage(&image, &converter);

    converter.setImage(image);
    converter.setDocumentOffset(QPoint(0,0));
    converter.setCanvasWidgetSize(QSize(500,500));

    converter.setZoom(1.);

    // we do NOT crop here
    QCOMPARE(converter.viewportToImage(QRectF(900,900,200,200)),
             QRectF(900,900,200,200));
}
void KisCoordinatesConverterTest::testTransformations()
{
    KisImageSP image;
    KisCoordinatesConverter converter;
    initImage(&image, &converter);

    converter.setImage(image);
    converter.setDocumentOffset(QPoint(20,30));
    converter.setCanvasWidgetSize(QSize(500,500));

    QRectF testRect(100,100,100,100);
    QTransform imageToWidget;
    QTransform documentToWidget;
    QTransform flakeToWidget;
    QTransform viewportToWidget;

    converter.setZoom(1.);

    imageToWidget = converter.imageToWidgetTransform();
    documentToWidget = converter.documentToWidgetTransform();
    flakeToWidget = converter.flakeToWidgetTransform();
    viewportToWidget = converter.viewportToWidgetTransform();

    CHECK_TRANSFORM(imageToWidget, testRect, QRectF(80,70,100,100));
    CHECK_TRANSFORM(documentToWidget, testRect, QRectF(9980,9970,10000,10000));
    CHECK_TRANSFORM(flakeToWidget, testRect, QRectF(80,70,100,100));
    CHECK_TRANSFORM(viewportToWidget, testRect, QRectF(100,100,100,100));

    converter.setZoom(0.5);

    imageToWidget = converter.imageToWidgetTransform();
    documentToWidget = converter.documentToWidgetTransform();
    flakeToWidget = converter.flakeToWidgetTransform();
    viewportToWidget = converter.viewportToWidgetTransform();

    CHECK_TRANSFORM(imageToWidget, testRect, QRectF(30,20,50,50));
    CHECK_TRANSFORM(documentToWidget, testRect, QRectF(4980,4970,5000,5000));
    CHECK_TRANSFORM(flakeToWidget, testRect, QRectF(80,70,100,100));
    CHECK_TRANSFORM(viewportToWidget, testRect, QRectF(100,100,100,100));
}
void KisCoordinatesConverterTest::testConversion()
{
    KisImageSP image;
    KisCoordinatesConverter converter;
    initImage(&image, &converter);

    converter.setImage(image);
    converter.setDocumentOffset(QPoint(20,20));
    converter.setCanvasWidgetSize(QSize(500,500));
    converter.setZoom(1.);

    QRectF testRect(100,100,100,100);

    QCOMPARE(converter.imageToViewport(testRect), QRectF(80,80,100,100));
    QCOMPARE(converter.viewportToImage(testRect), QRectF(120,120,100,100));

    QCOMPARE(converter.widgetToViewport(testRect), QRectF(100,100,100,100));
    QCOMPARE(converter.viewportToWidget(testRect), QRectF(100,100,100,100));

    QCOMPARE(converter.widgetToDocument(testRect), QRectF(1.20,1.20,1,1));
    QCOMPARE(converter.documentToWidget(testRect), QRectF(9980,9980,10000,10000));

    QCOMPARE(converter.imageToDocument(testRect), QRectF(1,1,1,1));
    QCOMPARE(converter.documentToImage(testRect), QRectF(10000,10000,10000,10000));

    converter.setZoom(0.5);

    QCOMPARE(converter.imageToViewport(testRect), QRectF(30,30,50,50));
    QCOMPARE(converter.viewportToImage(testRect), QRectF(240,240,200,200));

    QCOMPARE(converter.widgetToViewport(testRect), QRectF(100,100,100,100));
    QCOMPARE(converter.viewportToWidget(testRect), QRectF(100,100,100,100));

    QCOMPARE(converter.widgetToDocument(testRect), QRectF(2.4,2.4,2,2));
    QCOMPARE(converter.documentToWidget(testRect), QRectF(4980,4980,5000,5000));

    QCOMPARE(converter.imageToDocument(testRect), QRectF(1,1,1,1));
    QCOMPARE(converter.documentToImage(testRect), QRectF(10000,10000,10000,10000));
}