PlanComponent.java 文件源码

private void setTexturedIcon(Component c, BufferedImage textureImage, float angle)
{
    // Paint plan icon in an image
    BufferedImage image = new BufferedImage(getIconWidth(), getIconHeight(), BufferedImage.TYPE_INT_ARGB);
    final Graphics2D imageGraphics = (Graphics2D) image.getGraphics();
    imageGraphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    PieceOfFurniturePlanIcon.super.paintIcon(c, imageGraphics, 0, 0);

    // Fill the pixels of plan icon with texture image
    imageGraphics
            .setPaint(new TexturePaint(textureImage,
                    new Rectangle2D.Float(0, 0,
                            -getIconWidth() / this.pieceWidth * this.pieceTexture.getWidth(),
                            -getIconHeight() / this.pieceDepth * this.pieceTexture.getHeight())));
    imageGraphics.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_IN));
    imageGraphics.rotate(angle);
    float maxDimension = Math.max(image.getWidth(), image.getHeight());
    imageGraphics.fill(new Rectangle2D.Float(-maxDimension, -maxDimension, 3 * maxDimension, 3 * maxDimension));
    imageGraphics.fillRect(0, 0, getIconWidth(), getIconHeight());
    imageGraphics.dispose();

    setIcon(new ImageIcon(image));
}