1 | import java.awt.geom.*; |
2 | |
3 | abstract sclass AbstractBufferedImageOp implements BufferedImageOp, Cloneable {
|
4 | public BufferedImage createCompatibleDestImage(BufferedImage src, ColorModel dstCM) {
|
5 | if ( dstCM == null ) |
6 | dstCM = src.getColorModel(); |
7 | return new BufferedImage(dstCM, dstCM.createCompatibleWritableRaster(src.getWidth(), src.getHeight()), dstCM.isAlphaPremultiplied(), null); |
8 | } |
9 | |
10 | public Rectangle2D getBounds2D( BufferedImage src ) {
|
11 | return new Rectangle(0, 0, src.getWidth(), src.getHeight()); |
12 | } |
13 | |
14 | public Point2D getPoint2D( Point2D srcPt, Point2D dstPt ) {
|
15 | if ( dstPt == null ) |
16 | dstPt = new Point2D.Double(); |
17 | dstPt.setLocation( srcPt.getX(), srcPt.getY() ); |
18 | return dstPt; |
19 | } |
20 | |
21 | public RenderingHints getRenderingHints() {
|
22 | return null; |
23 | } |
24 | |
25 | /** |
26 | * A convenience method for getting ARGB pixels from an image. This tries to avoid the performance |
27 | * penalty of BufferedImage.getRGB unmanaging the image. |
28 | * @param image a BufferedImage object |
29 | * @param x the left edge of the pixel block |
30 | * @param y the right edge of the pixel block |
31 | * @param width the width of the pixel arry |
32 | * @param height the height of the pixel arry |
33 | * @param pixels the array to hold the returned pixels. May be null. |
34 | * @return the pixels |
35 | * @see #setRGB |
36 | */ |
37 | public int[] getRGB( BufferedImage image, int x, int y, int width, int height, int[] pixels ) {
|
38 | int type = image.getType(); |
39 | if ( type == BufferedImage.TYPE_INT_ARGB || type == BufferedImage.TYPE_INT_RGB ) |
40 | return (int [])image.getRaster().getDataElements( x, y, width, height, pixels ); |
41 | return image.getRGB( x, y, width, height, pixels, 0, width ); |
42 | } |
43 | |
44 | /** |
45 | * A convenience method for setting ARGB pixels in an image. This tries to avoid the performance |
46 | * penalty of BufferedImage.setRGB unmanaging the image. |
47 | * @param image a BufferedImage object |
48 | * @param x the left edge of the pixel block |
49 | * @param y the right edge of the pixel block |
50 | * @param width the width of the pixel arry |
51 | * @param height the height of the pixel arry |
52 | * @param pixels the array of pixels to set |
53 | * @see #getRGB |
54 | */ |
55 | public void setRGB( BufferedImage image, int x, int y, int width, int height, int[] pixels ) {
|
56 | int type = image.getType(); |
57 | if ( type == BufferedImage.TYPE_INT_ARGB || type == BufferedImage.TYPE_INT_RGB ) |
58 | image.getRaster().setDataElements( x, y, width, height, pixels ); |
59 | else |
60 | image.setRGB( x, y, width, height, pixels, 0, width ); |
61 | } |
62 | |
63 | public Object clone() {
|
64 | try {
|
65 | return super.clone(); |
66 | } |
67 | catch ( CloneNotSupportedException e ) {
|
68 | return null; |
69 | } |
70 | } |
71 | } |
from https://github.com/ajmas/JH-Labs-Java-Image-Filters/blob/master/src/com/jhlabs/image/AbstractBufferedImageOp.java
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| Snippet ID: | #1018735 |
| Snippet name: | AbstractBufferedImageOp |
| Eternal ID of this version: | #1018735/2 |
| Text MD5: | 2f7b2b7d016ea0981fe727fe3422c15b |
| Author: | stefan |
| Category: | javax / imaging |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-10-12 12:13:15 |
| Source code size: | 2813 bytes / 71 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 308 / 864 |
| Version history: | 1 change(s) |
| Referenced in: | [show references] |