Package com.google.code.appengine.awt.image

Examples of com.google.code.appengine.awt.image.Raster

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     * Callback for getting a next scanline
     * @param scanline scan line number
     */
    @SuppressWarnings("unused")
    private void getScanLine(int scanline) {
        Raster child = sourceRaster.createChild(srcXOff,
                srcYOff + scanline * deltaY, srcWidth, 1, 0, 0, null);

        scanRaster.setRect(child);
        // broadcast the current percentage of image completion
        processImageProgress((float) scanline / (float) srcHeight * 100.0f);
 
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     * @param pad number of bytes to pad the scanline with (1=byte, 2=short, 4=int, ...)
     */
    public static byte[] getBytes(RenderedImage image, Color bkg, String code, int pad) {
        if (pad < 1) pad = 1;

        Raster raster = image.getData();

        int width = image.getWidth();
        int height = image.getHeight();

        boolean preMultiply = (code.charAt(0) == '*');
        if (preMultiply) code = code.substring(1);

        int pixelSize = code.length();

        int size = width*height*pixelSize;
        size += (width % pad)*height;
        int index = 0;
        byte[] bytes = new byte[size];
       
        ColorModel colorModel = image.getColorModel();

        for (int y=0; y<height; y++) {
            for (int x=0; x<width; x++) {

                int argb = colorModel.getRGB(raster.getDataElements(x, y, (Object)null));
                int a = ((argb >> 24) & 0xFF);
                int r = ((argb >> 16) & 0xFF);
                int g = ((argb >>  8) & 0xFF);
                int b = ((argb >>  0) & 0xFF);
               
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                int w = srcX + width < srcW ? width : srcW - srcX;
                int h = srcY + height < srcH ? height : srcH - srcY;

                ColorModel srcCM = srcSurf.getColorModel();
                Raster srcR = srcSurf.getRaster().createChild(srcX, srcY,
                        w, h, 0, 0, null);

                ColorModel dstCM = dstSurf.getColorModel();
                WritableRaster dstR = dstSurf.getRaster();
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                        dstCM, dstRast, _w, _h, rule, alpha, bgcolor);
            }else if(isXORComp){
                xorCompose(_sx, _sy, srcCM, srcRast, _dx, _dy,
                        dstCM, dstRast, _w, _h, xorcolor);
            }else{
                Raster sr = srcRast.createChild(_sx, _sy, _w, _h, 0, 0, null);
                WritableRaster dr = dstRast.createWritableChild(_dx, _dy,
                        _w, _h, 0, 0, null);
                cont.compose(sr, dr, dr);
            }
        }
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        int h = rec.height;
        if(w <= 0 || h <= 0) {
            return;
        }
        PaintContext pc = paint.createContext(null, rec, rec, transform, hints);
        Raster r = pc.getRaster(x, y, w, h);
        WritableRaster wr;
        if(r instanceof WritableRaster){
            wr = (WritableRaster) r;
        }else{
            wr = r.createCompatibleWritableRaster();
            wr.setRect(r);
        }
        Surface srcSurf = new ImageSurface(pc.getColorModel(), wr);
        blitter.blit(0, 0, srcSurf, x, y, dstSurf, w, h,
                composite, null, mra);
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        ColorModel cm = rd.getColorModel();
        if(cm == null) {
            cm = ColorModel.getRGBdefault();
        }

        Raster r = rd.getData();
        int w = r.getWidth();
        int h = r.getHeight();

        for (ImageConsumer c : consumers) {
            c.setDimensions(w, h);
            c.setHints(ImageConsumer.TOPDOWNLEFTRIGHT |
                    ImageConsumer.COMPLETESCANLINES |
                    ImageConsumer.SINGLEFRAME |
                    ImageConsumer.SINGLEPASS);
        }

        int scanLine[] = new int[w];
        int pixel[] = null;

        for(int y = 0; y < h; y++){
            for(int x = 0; x < w; x++){
                pixel = r.getPixel(x, y, pixel);
                scanLine[x] = cm.getDataElement(pixel, 0);
            }

            for (ImageConsumer c : consumers) {
                c.setPixels(0, y, w, 1, cm, scanLine, 0, w);
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        if (location == null) {
            location = new Point(0, 0);
        }

        return new Raster(sm, db, location);
    }
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        }

        int childTranslateX = childMinX - parentX;
        int childTranslateY = childMinY - parentY;

        return new Raster(childModel, dataBuffer, new Rectangle(childMinX,
                childMinY, width, height), new Point(childTranslateX
                + sampleModelTranslateX, childTranslateY
                + sampleModelTranslateY), this);
    }
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Related Classes of com.google.code.appengine.awt.image.Raster

  • com.google.code.appengine.awt.image.BandedSampleModel
  • com.google.code.appengine.awt.image.ComponentSampleModel
  • com.google.code.appengine.awt.image.DataBuffer
  • com.google.code.appengine.awt.image.DataBufferByte
  • com.google.code.appengine.awt.image.DataBufferInt
  • com.google.code.appengine.awt.image.DataBufferUShort
  • com.google.code.appengine.awt.image.MultiPixelPackedSampleModel
  • com.google.code.appengine.awt.image.PixelInterleavedSampleModel
  • com.google.code.appengine.awt.image.Raster
  • com.google.code.appengine.awt.image.renderable.RenderableImageProducer
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