List of usage examples for java.awt.image BufferedImage getRaster
public WritableRaster getRaster()
From source file:Snippet156.java
static ImageData convertToSWT(BufferedImage bufferedImage) { if (bufferedImage.getColorModel() instanceof DirectColorModel) { DirectColorModel colorModel = (DirectColorModel) bufferedImage.getColorModel(); PaletteData palette = new PaletteData(colorModel.getRedMask(), colorModel.getGreenMask(), colorModel.getBlueMask()); ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette); WritableRaster raster = bufferedImage.getRaster(); int[] pixelArray = new int[3]; for (int y = 0; y < data.height; y++) { for (int x = 0; x < data.width; x++) { raster.getPixel(x, y, pixelArray); int pixel = palette.getPixel(new RGB(pixelArray[0], pixelArray[1], pixelArray[2])); data.setPixel(x, y, pixel); }// www.j av a 2s . com } return data; } else if (bufferedImage.getColorModel() instanceof IndexColorModel) { IndexColorModel colorModel = (IndexColorModel) bufferedImage.getColorModel(); int size = colorModel.getMapSize(); byte[] reds = new byte[size]; byte[] greens = new byte[size]; byte[] blues = new byte[size]; colorModel.getReds(reds); colorModel.getGreens(greens); colorModel.getBlues(blues); RGB[] rgbs = new RGB[size]; for (int i = 0; i < rgbs.length; i++) { rgbs[i] = new RGB(reds[i] & 0xFF, greens[i] & 0xFF, blues[i] & 0xFF); } PaletteData palette = new PaletteData(rgbs); ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette); data.transparentPixel = colorModel.getTransparentPixel(); WritableRaster raster = bufferedImage.getRaster(); int[] pixelArray = new int[1]; for (int y = 0; y < data.height; y++) { for (int x = 0; x < data.width; x++) { raster.getPixel(x, y, pixelArray); data.setPixel(x, y, pixelArray[0]); } } return data; } return null; }
From source file:Main.java
private static void applyShadow(BufferedImage image, int shadowSize, Color shadowColor, float shadowOpacity) { int dstWidth = image.getWidth(); int dstHeight = image.getHeight(); int left = (shadowSize - 1) >> 1; int right = shadowSize - left; int xStart = left; int xStop = dstWidth - right; int yStart = left; int yStop = dstHeight - right; int shadowRgb = shadowColor.getRGB() & 0x00FFFFFF; int[] aHistory = new int[shadowSize]; int historyIdx = 0; int aSum;/*ww w . j a v a 2 s . c o m*/ int[] dataBuffer = ((DataBufferInt) image.getRaster().getDataBuffer()).getData(); int lastPixelOffset = right * dstWidth; float sumDivider = shadowOpacity / shadowSize; // horizontal pass for (int y = 0, bufferOffset = 0; y < dstHeight; y++, bufferOffset = y * dstWidth) { aSum = 0; historyIdx = 0; for (int x = 0; x < shadowSize; x++, bufferOffset++) { int a = dataBuffer[bufferOffset] >>> 24; aHistory[x] = a; aSum += a; } bufferOffset -= right; for (int x = xStart; x < xStop; x++, bufferOffset++) { int a = (int) (aSum * sumDivider); dataBuffer[bufferOffset] = a << 24 | shadowRgb; // substract the oldest pixel from the sum aSum -= aHistory[historyIdx]; // get the lastest pixel a = dataBuffer[bufferOffset + right] >>> 24; aHistory[historyIdx] = a; aSum += a; if (++historyIdx >= shadowSize) { historyIdx -= shadowSize; } } } // vertical pass for (int x = 0, bufferOffset = 0; x < dstWidth; x++, bufferOffset = x) { aSum = 0; historyIdx = 0; for (int y = 0; y < shadowSize; y++, bufferOffset += dstWidth) { int a = dataBuffer[bufferOffset] >>> 24; aHistory[y] = a; aSum += a; } bufferOffset -= lastPixelOffset; for (int y = yStart; y < yStop; y++, bufferOffset += dstWidth) { int a = (int) (aSum * sumDivider); dataBuffer[bufferOffset] = a << 24 | shadowRgb; // substract the oldest pixel from the sum aSum -= aHistory[historyIdx]; // get the lastest pixel a = dataBuffer[bufferOffset + lastPixelOffset] >>> 24; aHistory[historyIdx] = a; aSum += a; if (++historyIdx >= shadowSize) { historyIdx -= shadowSize; } } } }
From source file:SWTUtils.java
/** * Converts a buffered image to SWT <code>ImageData</code>. * * @param bufferedImage the buffered image (<code>null</code> not * permitted).// w ww .j av a 2 s .c om * * @return The image data. */ public static ImageData convertToSWT(BufferedImage bufferedImage) { if (bufferedImage.getColorModel() instanceof DirectColorModel) { DirectColorModel colorModel = (DirectColorModel) bufferedImage.getColorModel(); PaletteData palette = new PaletteData(colorModel.getRedMask(), colorModel.getGreenMask(), colorModel.getBlueMask()); ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette); WritableRaster raster = bufferedImage.getRaster(); int[] pixelArray = new int[3]; for (int y = 0; y < data.height; y++) { for (int x = 0; x < data.width; x++) { raster.getPixel(x, y, pixelArray); int pixel = palette.getPixel(new RGB(pixelArray[0], pixelArray[1], pixelArray[2])); data.setPixel(x, y, pixel); } } return data; } else if (bufferedImage.getColorModel() instanceof IndexColorModel) { IndexColorModel colorModel = (IndexColorModel) bufferedImage.getColorModel(); int size = colorModel.getMapSize(); byte[] reds = new byte[size]; byte[] greens = new byte[size]; byte[] blues = new byte[size]; colorModel.getReds(reds); colorModel.getGreens(greens); colorModel.getBlues(blues); RGB[] rgbs = new RGB[size]; for (int i = 0; i < rgbs.length; i++) { rgbs[i] = new RGB(reds[i] & 0xFF, greens[i] & 0xFF, blues[i] & 0xFF); } PaletteData palette = new PaletteData(rgbs); ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette); data.transparentPixel = colorModel.getTransparentPixel(); WritableRaster raster = bufferedImage.getRaster(); int[] pixelArray = new int[1]; for (int y = 0; y < data.height; y++) { for (int x = 0; x < data.width; x++) { raster.getPixel(x, y, pixelArray); data.setPixel(x, y, pixelArray[0]); } } return data; } return null; }
From source file:VASSAL.tools.image.tilecache.TileUtils.java
/** * Write a tile image to a stream./* w w w .j a va2 s . c om*/ * * @param tile the image * @param out the stream * * @throws ImageIOException if the write fails */ public static void write(BufferedImage tile, OutputStream out) throws IOException { ByteBuffer bb; // write the header bb = ByteBuffer.allocate(18); bb.put("VASSAL".getBytes()).putInt(tile.getWidth()).putInt(tile.getHeight()).putInt(tile.getType()); out.write(bb.array()); // write the tile data final DataBufferInt db = (DataBufferInt) tile.getRaster().getDataBuffer(); final int[] data = db.getData(); bb = ByteBuffer.allocate(4 * data.length); bb.asIntBuffer().put(data); final GZIPOutputStream zout = new GZIPOutputStream(out); zout.write(bb.array()); zout.finish(); }
From source file:org.openossad.util.ImageUtil.java
public static ImageData convertToSWT(BufferedImage bufferedImage) { if (bufferedImage.getColorModel() instanceof DirectColorModel) { DirectColorModel colorModel = (DirectColorModel) bufferedImage.getColorModel(); PaletteData palette = new PaletteData(colorModel.getRedMask(), colorModel.getGreenMask(), colorModel.getBlueMask()); ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette); WritableRaster raster = bufferedImage.getRaster(); int[] pixelArray = new int[3]; for (int y = 0; y < data.height; y++) { for (int x = 0; x < data.width; x++) { raster.getPixel(x, y, pixelArray); int pixel = palette.getPixel(new RGB(pixelArray[0], pixelArray[1], pixelArray[2])); data.setPixel(x, y, pixel); }/*from w w w . jav a 2s .c o m*/ } return data; } else if (bufferedImage.getColorModel() instanceof IndexColorModel) { IndexColorModel colorModel = (IndexColorModel) bufferedImage.getColorModel(); int size = colorModel.getMapSize(); byte[] reds = new byte[size]; byte[] greens = new byte[size]; byte[] blues = new byte[size]; colorModel.getReds(reds); colorModel.getGreens(greens); colorModel.getBlues(blues); RGB[] rgbs = new RGB[size]; for (int i = 0; i < rgbs.length; i++) { rgbs[i] = new RGB(reds[i] & 0xFF, greens[i] & 0xFF, blues[i] & 0xFF); } PaletteData palette = new PaletteData(rgbs); ImageData data = new ImageData(bufferedImage.getWidth(), bufferedImage.getHeight(), colorModel.getPixelSize(), palette); data.transparentPixel = colorModel.getTransparentPixel(); WritableRaster raster = bufferedImage.getRaster(); int[] pixelArray = new int[1]; for (int y = 0; y < data.height; y++) { for (int x = 0; x < data.width; x++) { raster.getPixel(x, y, pixelArray); data.setPixel(x, y, pixelArray[0]); } } return data; } return null; }
From source file:com.googlecode.fightinglayoutbugs.helpers.ImageHelper.java
public static int[][] imageToPixels(BufferedImage image) { if (image == null) { return null; }/*from w w w . ja v a2 s . co m*/ int w = image.getWidth(); int h = image.getHeight(); int[][] pixels = new int[w][h]; Raster raster = image.getRaster(); if (raster.getTransferType() == DataBuffer.TYPE_BYTE) { byte[] bytes = (byte[]) raster.getDataElements(0, 0, w, h, null); int bytesPerPixel = (bytes.length / (w * h)); ColorModel colorModel = image.getColorModel(); byte[] buf = new byte[bytesPerPixel]; for (int x = 0; x < w; ++x) { for (int y = 0; y < h; ++y) { System.arraycopy(bytes, (x + y * w) * bytesPerPixel, buf, 0, bytesPerPixel); pixels[x][y] = colorModel.getRGB(buf) & 0xFFFFFF; } } return pixels; } else { throw new RuntimeException("transfer type " + raster.getTransferType() + " not implemented yet"); } }
From source file:com.actelion.research.orbit.imageAnalysis.utils.ImageUtils.java
/** * Can be used to verify impact of different encoding algorithms. Compares two BufferedImages and outputs differences between those. * * @param image//from w w w . jav a2 s .c o m * @param image2 * @return */ public static int[] calculateBufferedImageDifferencesPxByPx(BufferedImage image, BufferedImage image2) { int width = image.getWidth(); int height = image.getHeight(); int width2 = image2.getWidth(); int height2 = image2.getHeight(); WritableRaster raster1 = image.getRaster(); WritableRaster raster2 = image2.getRaster(); if (width != width2 || height != height2) throw new IllegalArgumentException( "Please insert two identical images that were treated with different image algorithms"); int[] diff = new int[width * height]; for (int row = 0; row < height; row++) { for (int col = 0; col < width; col++) { for (int band = 0; band < raster1.getNumBands(); band++) { int p1 = raster1.getSample(col, row, band); int p2 = raster2.getSample(col, row, band); diff[((row * width) + col)] = p2 - p1; } } } return diff; }
From source file:lucee.runtime.img.ImageUtil.java
public static BufferedImage createBufferedImage(BufferedImage image, int columns, int rows) { ColorModel colormodel = image.getColorModel(); BufferedImage newImage;//w w w . j a va2 s.co m if (colormodel instanceof IndexColorModel) { if (colormodel.getTransparency() != 1) newImage = new BufferedImage(columns, rows, 2); else newImage = new BufferedImage(columns, rows, 1); } else { newImage = new BufferedImage(colormodel, image.getRaster().createCompatibleWritableRaster(columns, rows), colormodel.isAlphaPremultiplied(), null); } return newImage; }
From source file:ro.nextreports.designer.util.ImageUtil.java
private static void applyShadow(BufferedImage image) { int dstWidth = image.getWidth(); int dstHeight = image.getHeight(); int left = (shadowSize - 1) >> 1; int right = shadowSize - left; int xStart = left; int xStop = dstWidth - right; int yStart = left; int yStop = dstHeight - right; int shadowRgb = shadowColor.getRGB() & 0x00FFFFFF; int[] aHistory = new int[shadowSize]; int historyIdx = 0; int aSum;// www . ja va 2s.com int[] dataBuffer = ((DataBufferInt) image.getRaster().getDataBuffer()).getData(); int lastPixelOffset = right * dstWidth; float sumDivider = shadowOpacity / shadowSize; // horizontal pass for (int y = 0, bufferOffset = 0; y < dstHeight; y++, bufferOffset = y * dstWidth) { aSum = 0; historyIdx = 0; for (int x = 0; x < shadowSize; x++, bufferOffset++) { int a = dataBuffer[bufferOffset] >>> 24; aHistory[x] = a; aSum += a; } bufferOffset -= right; for (int x = xStart; x < xStop; x++, bufferOffset++) { int a = (int) (aSum * sumDivider); dataBuffer[bufferOffset] = a << 24 | shadowRgb; // substract the oldest pixel from the sum aSum -= aHistory[historyIdx]; // get the lastest pixel a = dataBuffer[bufferOffset + right] >>> 24; aHistory[historyIdx] = a; aSum += a; if (++historyIdx >= shadowSize) { historyIdx -= shadowSize; } } } // vertical pass for (int x = 0, bufferOffset = 0; x < dstWidth; x++, bufferOffset = x) { aSum = 0; historyIdx = 0; for (int y = 0; y < shadowSize; y++, bufferOffset += dstWidth) { int a = dataBuffer[bufferOffset] >>> 24; aHistory[y] = a; aSum += a; } bufferOffset -= lastPixelOffset; for (int y = yStart; y < yStop; y++, bufferOffset += dstWidth) { int a = (int) (aSum * sumDivider); dataBuffer[bufferOffset] = a << 24 | shadowRgb; // substract the oldest pixel from the sum aSum -= aHistory[historyIdx]; // get the lastest pixel a = dataBuffer[bufferOffset + lastPixelOffset] >>> 24; aHistory[historyIdx] = a; aSum += a; if (++historyIdx >= shadowSize) { historyIdx -= shadowSize; } } } }
From source file:org.apache.pdfbox.pdmodel.graphics.image.SampledImageReader.java
/** * Returns an ARGB image filled with the given paint and using the given image as a mask. * @param paint the paint to fill the visible portions of the image with * @return a masked image filled with the given paint * @throws IOException if the image cannot be read * @throws IllegalStateException if the image is not a stencil. *///www . j ava 2 s . c om public static BufferedImage getStencilImage(PDImage pdImage, Paint paint) throws IOException { // get mask (this image) BufferedImage mask = getRGBImage(pdImage, null); // compose to ARGB BufferedImage masked = new BufferedImage(mask.getWidth(), mask.getHeight(), BufferedImage.TYPE_INT_ARGB); Graphics2D g = masked.createGraphics(); // draw the mask //g.drawImage(mask, 0, 0, null); // fill with paint using src-in //g.setComposite(AlphaComposite.SrcIn); g.setPaint(paint); g.fillRect(0, 0, mask.getWidth(), mask.getHeight()); g.dispose(); // set the alpha int width = masked.getWidth(); int height = masked.getHeight(); WritableRaster raster = masked.getRaster(); WritableRaster alpha = mask.getRaster(); final float[] transparent = new float[4]; float[] alphaPixel = null; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) { alphaPixel = alpha.getPixel(x, y, alphaPixel); if (alphaPixel[0] == 255) { raster.setPixel(x, y, transparent); } } } return masked; }