Java2DRendererpublic class Java2DRenderer extends Object implements Blitter| Renderer for RGB images using BufferedImage |
| Fields Summary |
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| private transient AffineTransformOp | savedATOVariables and Constants | | private transient DirectColorModel | dcm | | private transient Image | destImage |
| Constructors Summary |
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public Java2DRenderer()Constructor
try {
Class.forName("java.awt.Graphics2D");
} catch (ClassNotFoundException e) {
throw new RuntimeException("No Java2D");
}
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| Methods Summary |
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| public synchronized void | draw(java.awt.Graphics g, java.awt.Component component, java.awt.Image lastImage, int dx, int dy, int dw, int dh, int sx, int sy, int sw, int sh)
if (lastImage == null || dw < 1 || dh < 1)
return;
if (savedATO == null) {
AffineTransform at = new AffineTransform((float)dw / sw, 0,
0, (float)dh / sh,
0, 0);
AffineTransformOp ato = new AffineTransformOp(at, null);
savedATO = ato;
destImage = ato.createCompatibleDestImage((BufferedImage)lastImage,
(ColorModel)dcm);
}
((AffineTransformOp)savedATO).filter((BufferedImage)lastImage, (BufferedImage)destImage);
if (g != null && lastImage != null && g instanceof Graphics2D) {
((Graphics2D)g).drawImage(destImage, 0, 0, component);
}
| | public int | newData(javax.media.Buffer buffer, java.util.Vector cacheInputImage, java.util.Vector cacheOutputImage, java.util.Vector cacheInputData)
Object data = buffer.getData();
if (!(data instanceof int[]))
return -1;
RGBFormat format = (RGBFormat) buffer.getFormat();
int rMask, gMask, bMask;
/*
rMask = 0x000000FF;
gMask = 0x0000FF00;
bMask = 0x00FF0000;
*/
rMask = format.getRedMask();
gMask = format.getGreenMask();
bMask = format.getBlueMask();
int [] masks = new int[3];
masks[0] = rMask;
masks[1] = gMask;
masks[2] = bMask;
DataBuffer db = new DataBufferInt((int[])data,
format.getLineStride() *
format.getSize().height);
SampleModel sm = new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT,
format.getLineStride(),
format.getSize().height,
masks);
WritableRaster wr = Raster.createWritableRaster(sm, db, new Point(0, 0));
dcm = new DirectColorModel(24, rMask, gMask, bMask);
BufferedImage sourceImage = new BufferedImage((ColorModel)dcm, wr, true, null);
cacheInputData.addElement(data);
cacheInputImage.addElement(sourceImage);
cacheOutputImage.addElement(sourceImage); // dummy
synchronized (this) {
savedATO = null;
}
return cacheInputImage.size() - 1;
| | public java.awt.Image | process(javax.media.Buffer buffer, java.lang.Object cacheInputImage, java.lang.Object cacheOutputImage, java.awt.Dimension size)Processes the data and creates an image to be rendered
return (Image) cacheInputImage;
| | public void | resized(java.awt.Component c)
savedATO = null;
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