Swt画背景图片,通过一个小图片,画到背景任何一个位置

代码

Java代码

1. public static Image makeImageInLocation(Image smallImg, int location, Color fillColor, Point size) {
2. if (size.x<=0||size.y<=0) {
3. return null;
4. }
5. Image img = new Image(smallImg.getDevice(), size.x, size.y);
6. GC gc = new GC(img);
7. img.setBackground(fillColor);
8. Rectangle smImgBounds = smallImg.getBounds();
9. switch (location) {
10. case MIDDLE:
11. gc.drawImage(smallImg, size.x / 2, size.y / 2);
12. break;
13. case LEFT_BOTTOM:
14. gc.drawImage(smallImg, size.x - smImgBounds.width - 1, size.y - smImgBounds.height - 1);
15. break;
16. case LEFT_TOP:
17. gc.drawImage(smallImg, size.x - smImgBounds.width - 1, 1);
18. break;
19. case RIGHT_BOTTOM:
20. gc.drawImage(smallImg, 1, size.y - smImgBounds.height - 1);
21. break;
22. case RIGHT_TOP:
23. gc.drawImage(smallImg, 1, 1);
24. break;
26. default:
27. break;
28. }
29. gc.dispose();
30. return img;
31. }
33. public static final int MIDDLE = 0;
34. public static final int LEFT_BOTTOM = 1;
35. public static final int LEFT_TOP = 2;
36. public static final int RIGHT_BOTTOM = 3;
37. public static final int RIGHT_TOP = 4;

	public static Image makeImageInLocation(Image smallImg, int location, Color fillColor, Point size) {
		if (size.x<=0||size.y<=0) {
			return null;
		}
		Image img = new Image(smallImg.getDevice(), size.x, size.y);
		GC gc = new GC(img);
		img.setBackground(fillColor);
		Rectangle smImgBounds = smallImg.getBounds();
		switch (location) {
		case MIDDLE:
			gc.drawImage(smallImg, size.x / 2, size.y / 2);
			break;
		case LEFT_BOTTOM:
			gc.drawImage(smallImg, size.x - smImgBounds.width - 1, size.y - smImgBounds.height - 1);
			break;
		case LEFT_TOP:
			gc.drawImage(smallImg, size.x - smImgBounds.width - 1, 1);
			break;
		case RIGHT_BOTTOM:
			gc.drawImage(smallImg, 1, size.y - smImgBounds.height - 1);
			break;
		case RIGHT_TOP:
			gc.drawImage(smallImg, 1, 1);
			break;

		default:
			break;
		}
		gc.dispose();
		return img;
	}

	public static final int MIDDLE = 0;
	public static final int LEFT_BOTTOM = 1;
	public static final int LEFT_TOP = 2;
	public static final int RIGHT_BOTTOM = 3;
	public static final int RIGHT_TOP = 4;