private BufferedImage shapenImage(BufferedImage in) {
BufferedImage out =
DrawManager.getInstance().createBlankBufferedImage(in.getWidth(), in.getHeight(), false);
Graphics2D g = out.createGraphics();
g.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g.drawImage(in, shapenOp, 0, 0);
g.dispose();
return out;
}
private BufferedImage reduceImageSizeByFactorOfTwo(BufferedImage in) {
BufferedImage out =
DrawManager.getInstance()
.createBlankBufferedImage(in.getWidth() / 2, in.getHeight() / 2, false);
Graphics2D g = out.createGraphics();
g.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g.drawImage(in, 0, 0, in.getWidth() / 2, in.getHeight() / 2, null);
g.dispose();
return out;
}
@Override
public void run() {
// System.out.println("Render job \"" + levelData.getMapName() + "\" : start");
// Wait for previous runnable job to complete first
if (previousRunnable != null) {
synchronized (previousRunnable.finishNotifer) {
try {
previousRunnable.finishNotifer.wait();
} catch (InterruptedException e) {
// The code should not reach here...
e.printStackTrace();
}
}
}
// System.out.println("Render job \"" + levelData.getMapName() + "\" : rendering");
BufferedImage renderImg =
DrawManager.getInstance()
.createBlankBufferedImage(RENDER_IMAGE_WIDTH, RENDER_IMAGE_HEIGHT, false);
Graphics2D graphic = renderImg.createGraphics();
graphic.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphic.setClip(0, 0, RENDER_IMAGE_WIDTH, RENDER_IMAGE_HEIGHT);
GameStage renderStage = new GameStage(levelData, GameStageType.THUMBNAIL);
renderStage.update(0);
renderStage.draw(graphic, RENDER_IMAGE_WIDTH, RENDER_IMAGE_HEIGHT);
graphic.dispose();
// Resize image
renderImg = shapenImage(renderImg);
for (int i = 0; i < 3; i++) {
renderImg = reduceImageSizeByFactorOfTwo(renderImg);
}
this.levelData.setThumbnail(renderImg);
// System.out.println("Render job \"" + levelData.getMapName() + "\" : finished");
synchronized (finishNotifer) {
finishNotifer.notifyAll();
}
}