AspectRatioImageRectangleUtil.java 文件源码

public void setFillImageKeepingAspectRatio(Rectangle rectangle, Image image, Dimension2D gamingContextDimension2D) {
    double imageWidth = image.getWidth();
    double imageHeight = image.getHeight();
    double imageHeightToWidthRatio = imageHeight / imageWidth;

    double initialHeight = rectangle.getHeight();
    double initialWidth = initialHeight / imageHeightToWidthRatio;

    double positionX = (gamingContextDimension2D.getWidth() - initialWidth) / 2;
    double positionY = (gamingContextDimension2D.getHeight() - initialHeight) / 2;

    rectangle.setFill(new ImagePattern(image));

    rectangle.setX(positionX);
    rectangle.setY(positionY);
    rectangle.setWidth(initialWidth);
    rectangle.setHeight(initialHeight);

    rectangle.setTranslateX(0);
    rectangle.setScaleX(1);
    rectangle.setScaleY(1);
    rectangle.setScaleZ(1);
}