ImportedTextureWizardStepsPanel.java 文件源码

/**
 * Updates the image shown in attributes panel.
 */
private void updateAttributesPreviewImage()
{
    BufferedImage attributesPreviewImage = this.attributesPreviewComponent.getImage();
    if (attributesPreviewImage == null || attributesPreviewImage == this.imageChoicePreviewComponent.getImage())
    {
        attributesPreviewImage = new BufferedImage(IMAGE_PREFERRED_SIZE, IMAGE_PREFERRED_SIZE,
                BufferedImage.TYPE_INT_RGB);
        this.attributesPreviewComponent.setImage(attributesPreviewImage);
    }
    // Fill image with a white background
    Graphics2D g2D = (Graphics2D) attributesPreviewImage.getGraphics();
    g2D.setPaint(Color.WHITE);
    g2D.fillRect(0, 0, IMAGE_PREFERRED_SIZE, IMAGE_PREFERRED_SIZE);
    BufferedImage textureImage = this.imageChoicePreviewComponent.getImage();
    if (textureImage != null)
    {
        // Draw the texture image as if it will be shown on a 250 x 250 cm wall
        g2D.setPaint(new TexturePaint(textureImage,
                new Rectangle2D.Float(0, 0, this.controller.getWidth() / 250 * IMAGE_PREFERRED_SIZE,
                        this.controller.getHeight() / 250 * IMAGE_PREFERRED_SIZE)));
        g2D.fillRect(0, 0, IMAGE_PREFERRED_SIZE, IMAGE_PREFERRED_SIZE);
    }
    g2D.dispose();
    this.attributesPreviewComponent.repaint();
}