List of usage examples for java.awt.image ColorModel getGreen
public int getGreen(Object inData)
From source file:pl.edu.icm.visnow.lib.utils.ImageUtilities.java
public static BufferedImage[] split2RGB(BufferedImage img) { //--------------------v2.0-------------------------------------- int w, h, r, g, b, pixel; if (img.getType() == BufferedImage.TYPE_INT_RGB) { w = img.getWidth();//from ww w . j a v a 2 s.c o m h = img.getHeight(); BufferedImage[] out = new BufferedImage[3]; WritableRaster[] rasters = new WritableRaster[3]; for (int i = 0; i < 3; i++) { out[i] = new BufferedImage(w, h, BufferedImage.TYPE_BYTE_GRAY); rasters[i] = out[i].getRaster(); } ColorModel cm = img.getColorModel(); for (int x = 0; x < w; x++) { for (int y = 0; y < h; y++) { pixel = img.getRGB(x, y); r = cm.getRed(pixel); g = cm.getGreen(pixel); b = cm.getBlue(pixel); rasters[0].setSample(x, y, 0, r); rasters[1].setSample(x, y, 0, g); rasters[2].setSample(x, y, 0, b); } } return out; } else { return null; } }
From source file:pl.edu.icm.visnow.lib.utils.ImageUtilities.java
public static BufferedImage[] split2RGBA(BufferedImage img) { int w, h, a, r, g, b, pixel; if (img.getType() == BufferedImage.TYPE_INT_ARGB) { w = img.getWidth();/* w w w. j av a 2 s. c o m*/ h = img.getHeight(); BufferedImage[] out = new BufferedImage[4]; WritableRaster[] rasters = new WritableRaster[4]; for (int i = 0; i < 4; i++) { out[i] = new BufferedImage(w, h, BufferedImage.TYPE_BYTE_GRAY); rasters[i] = out[i].getRaster(); } ColorModel cm = img.getColorModel(); for (int x = 0; x < w; x++) { for (int y = 0; y < h; y++) { pixel = img.getRGB(x, y); a = cm.getAlpha(pixel); r = cm.getRed(pixel); g = cm.getGreen(pixel); b = cm.getBlue(pixel); rasters[3].setSample(x, y, 0, a); rasters[0].setSample(x, y, 0, r); rasters[1].setSample(x, y, 0, g); rasters[2].setSample(x, y, 0, b); } } return out; } else { return null; } }
From source file:pl.edu.icm.visnow.lib.utils.ImageUtilities.java
public static BufferedImage rgb2gray(BufferedImage img) { if (img.getType() == BufferedImage.TYPE_INT_ARGB || img.getType() == BufferedImage.TYPE_INT_RGB) { int w, h; w = img.getWidth();//from ww w . j av a 2s . c o m h = img.getHeight(); BufferedImage out = new BufferedImage(w, h, BufferedImage.TYPE_BYTE_GRAY); //----------------------------v3.0---------------------- ColorModel cm = img.getColorModel(); int pixel, gr; int r, g, b; WritableRaster raster = out.getRaster(); for (int x = 0; x < w; x++) { for (int y = 0; y < h; y++) { pixel = img.getRGB(x, y); r = cm.getRed(pixel); g = cm.getGreen(pixel); b = cm.getBlue(pixel); gr = (int) Math.round(((double) r + (double) g + (double) b) / 3.0); raster.setSample(x, y, 0, gr); } } return out; } return img; }
From source file:pl.edu.icm.visnow.lib.utils.ImageUtilities.java
public static void fadeImages(BufferedImage source1, BufferedImage source2, BufferedImage target, int relX, int targetX) { int pixel1, pixel2, newPixel; double f;/*from w w w . ja v a2 s. co m*/ int r1, g1, b1, r2, g2, b2; byte newR, newG, newB; ColorModel cm = source1.getColorModel(); for (int x = relX; x < source1.getWidth(); x++) { f = linearF(x, relX, source1.getWidth()); for (int y = 0; y < source1.getHeight(); y++) { pixel1 = source1.getRGB(x, y); pixel2 = source2.getRGB(x - relX, y); r1 = cm.getRed(pixel1); g1 = cm.getGreen(pixel1); b1 = cm.getBlue(pixel1); r2 = cm.getRed(pixel2); g2 = cm.getGreen(pixel2); b2 = cm.getBlue(pixel2); int tr = 10; if (r1 < tr && g1 < tr && b1 < tr) { newPixel = pixel2; } else if (r2 < tr && g2 < tr && b2 < tr) { newPixel = pixel1; } else { newR = (byte) Math.round(((double) r1) * (1 - f) + ((double) r2) * f); newG = (byte) Math.round(((double) g1) * (1 - f) + ((double) g2) * f); newB = (byte) Math.round(((double) b1) * (1 - f) + ((double) b2) * f); newPixel = (newR & 0xff) << 16 | (newG & 0xff) << 8 | (newB & 0xff) << 0; } target.setRGB(x + targetX, y, newPixel); } } }
From source file:org.pentaho.di.core.gui.SwingGC.java
private void drawImage(SwingUniversalImage image, int locationX, int locationY, int imageSize) { if (isDrawingPixelatedImages() && image.isBitmap()) { BufferedImage img = image.getAsBitmapForSize(imageSize, imageSize); ColorModel cm = img.getColorModel(); Raster raster = img.getRaster(); for (int x = 0; x < img.getWidth(observer); x++) { for (int y = 0; y < img.getHeight(observer); y++) { Object pix = raster.getDataElements(x, y, null); gc.setColor(new Color(cm.getRed(pix), cm.getGreen(pix), cm.getBlue(pix), cm.getAlpha(pix))); gc.setStroke(new BasicStroke(1.0f)); gc.drawLine(locationX + xOffset + x, locationY + yOffset + y, locationX + xOffset + x + 1, locationY + yOffset + y + 1); }/*from w w w. j a va 2s.c o m*/ } } else { image.drawToGraphics(gc, locationX, locationY, imageSize, imageSize); } }
From source file:org.pentaho.di.core.gui.SwingGC.java
private void drawImage(SwingUniversalImage image, int centerX, int centerY, double angle, int imageSize) { if (isDrawingPixelatedImages() && image.isBitmap()) { BufferedImage img = image.getAsBitmapForSize(imageSize, imageSize, angle); ColorModel cm = img.getColorModel(); Raster raster = img.getRaster(); int offx = centerX + xOffset - img.getWidth() / 2; int offy = centerY + yOffset - img.getHeight() / 2; for (int x = 0; x < img.getWidth(observer); x++) { for (int y = 0; y < img.getHeight(observer); y++) { Object pix = raster.getDataElements(x, y, null); gc.setColor(new Color(cm.getRed(pix), cm.getGreen(pix), cm.getBlue(pix), cm.getAlpha(pix))); gc.setStroke(new BasicStroke(1.0f)); gc.drawLine(offx + x, offy + y, offx + x + 1, offy + y + 1); }// w ww . jav a 2 s .c o m } } else { image.drawToGraphics(gc, centerX, centerY, imageSize, imageSize, angle); } }
From source file:org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap.java
/** * Returns a {@link java.awt.image.BufferedImage} of the COSStream * set in the constructor or null if the COSStream could not be encoded. * * @return {@inheritDoc}/*from ww w .j av a 2 s .com*/ * * @throws IOException {@inheritDoc} */ public BufferedImage getRGBImage() throws IOException { if (image != null) { return image; } try { int width = getWidth(); int height = getHeight(); int bpc = getBitsPerComponent(); byte[] array = getPDStream().getByteArray(); if (array.length == 0) { LOG.error("Something went wrong ... the pixelmap doesn't contain any data."); return null; } // Get the ColorModel right PDColorSpace colorspace = getColorSpace(); if (colorspace == null) { LOG.error("getColorSpace() returned NULL. Predictor = " + getPredictor()); return null; } ColorModel cm = null; if (colorspace instanceof PDIndexed) { PDIndexed csIndexed = (PDIndexed) colorspace; // the base color space uses 8 bit per component, as the indexed color values // of an indexed color space are always in a range from 0 to 255 ColorModel baseColorModel = csIndexed.getBaseColorSpace().createColorModel(8); // number of possible color values in the target color space int numberOfColorValues = 1 << bpc; // number of indexed color values int highValue = csIndexed.getHighValue(); // choose the correct size, sometimes there are more indexed values than needed // and sometimes there are fewer indexed value than possible int size = Math.min(numberOfColorValues - 1, highValue); byte[] index = csIndexed.getLookupData(); boolean hasAlpha = baseColorModel.hasAlpha(); COSBase maskArray = getMask(); if (baseColorModel.getTransferType() != DataBuffer.TYPE_BYTE) { throw new IOException("Not implemented"); } // the IndexColorModel uses RGB-based color values // which leads to 3 color components and a optional alpha channel int numberOfComponents = 3 + (hasAlpha ? 1 : 0); int buffersize = (size + 1) * numberOfComponents; byte[] colorValues = new byte[buffersize]; byte[] inData = new byte[baseColorModel.getNumComponents()]; int bufferIndex = 0; for (int i = 0; i <= size; i++) { System.arraycopy(index, i * inData.length, inData, 0, inData.length); // convert the indexed color values to RGB colorValues[bufferIndex] = (byte) baseColorModel.getRed(inData); colorValues[bufferIndex + 1] = (byte) baseColorModel.getGreen(inData); colorValues[bufferIndex + 2] = (byte) baseColorModel.getBlue(inData); if (hasAlpha) { colorValues[bufferIndex + 3] = (byte) baseColorModel.getAlpha(inData); } bufferIndex += numberOfComponents; } if (maskArray != null && maskArray instanceof COSArray) { cm = new IndexColorModel(bpc, size + 1, colorValues, 0, hasAlpha, ((COSArray) maskArray).getInt(0)); } else { cm = new IndexColorModel(bpc, size + 1, colorValues, 0, hasAlpha); } } else if (colorspace instanceof PDSeparation) { PDSeparation csSeparation = (PDSeparation) colorspace; int numberOfComponents = csSeparation.getAlternateColorSpace().getNumberOfComponents(); PDFunction tintTransformFunc = csSeparation.getTintTransform(); COSArray decode = getDecode(); // we have to invert the tint-values, // if the Decode array exists and consists of (1,0) boolean invert = decode != null && decode.getInt(0) == 1; // TODO add interpolation for other decode values then 1,0 int maxValue = (int) Math.pow(2, bpc) - 1; // destination array byte[] mappedData = new byte[width * height * numberOfComponents]; int rowLength = width * numberOfComponents; float[] input = new float[1]; for (int i = 0; i < height; i++) { int rowOffset = i * rowLength; for (int j = 0; j < width; j++) { // scale tint values to a range of 0...1 int value = (array[i * width + j] + 256) % 256; if (invert) { input[0] = 1 - (value / maxValue); } else { input[0] = value / maxValue; } float[] mappedColor = tintTransformFunc.eval(input); int columnOffset = j * numberOfComponents; for (int k = 0; k < numberOfComponents; k++) { // redo scaling for every single color value float mappedValue = mappedColor[k]; mappedData[rowOffset + columnOffset + k] = (byte) (mappedValue * maxValue); } } } array = mappedData; cm = colorspace.createColorModel(bpc); } else if (bpc == 1) { byte[] map = null; if (colorspace instanceof PDDeviceGray) { COSArray decode = getDecode(); // we have to invert the b/w-values, // if the Decode array exists and consists of (1,0) if (decode != null && decode.getInt(0) == 1) { map = new byte[] { (byte) 0xff }; } else { map = new byte[] { (byte) 0x00, (byte) 0xff }; } } else if (colorspace instanceof PDICCBased) { if (((PDICCBased) colorspace).getNumberOfComponents() == 1) { map = new byte[] { (byte) 0xff }; } else { map = new byte[] { (byte) 0x00, (byte) 0xff }; } } else { map = new byte[] { (byte) 0x00, (byte) 0xff }; } cm = new IndexColorModel(bpc, map.length, map, map, map, Transparency.OPAQUE); } else { if (colorspace instanceof PDICCBased) { if (((PDICCBased) colorspace).getNumberOfComponents() == 1) { byte[] map = new byte[] { (byte) 0xff }; cm = new IndexColorModel(bpc, 1, map, map, map, Transparency.OPAQUE); } else { cm = colorspace.createColorModel(bpc); } } else { cm = colorspace.createColorModel(bpc); } } LOG.debug("ColorModel: " + cm.toString()); WritableRaster raster = cm.createCompatibleWritableRaster(width, height); DataBufferByte buffer = (DataBufferByte) raster.getDataBuffer(); byte[] bufferData = buffer.getData(); System.arraycopy(array, 0, bufferData, 0, (array.length < bufferData.length ? array.length : bufferData.length)); image = new BufferedImage(cm, raster, false, null); // If there is a 'soft mask' image then we use that as a transparency mask. PDXObjectImage smask = getSMaskImage(); if (smask != null) { BufferedImage smaskBI = smask.getRGBImage(); COSArray decodeArray = smask.getDecode(); CompositeImage compositeImage = new CompositeImage(image, smaskBI); BufferedImage rgbImage = compositeImage.createMaskedImage(decodeArray); return rgbImage; } else if (getImageMask()) { BufferedImage stencilMask = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); Graphics2D graphics = (Graphics2D) stencilMask.getGraphics(); if (getStencilColor() != null) { graphics.setColor(getStencilColor().getJavaColor()); } else { // this might happen when using ExractImages, see PDFBOX-1145 LOG.debug("no stencil color for PixelMap found, using Color.BLACK instead."); graphics.setColor(Color.BLACK); } graphics.fillRect(0, 0, width, height); // assume default values ([0,1]) for the DecodeArray // TODO DecodeArray == [1,0] graphics.setComposite(AlphaComposite.DstIn); graphics.drawImage(image, null, 0, 0); return stencilMask; } else { // if there is no mask, use the unaltered image. return image; } } catch (Exception exception) { LOG.error(exception, exception); //A NULL return is caught in pagedrawer.Invoke.process() so don't re-throw. //Returning the NULL falls through to Phillip Koch's TODO section. return null; } }
From source file:ded.ui.DiagramController.java
/** Check to see if the font is rendering properly. I have had a * lot of trouble getting this to work on a wide range of * machines and JVMs. If the font rendering does not work, just * alert the user to the problem but keep going. */ public void checkFontRendering() { // Render the glyph for 'A' in a box just large enough to // contain it when rendered properly. int width = 9; int height = 11; BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); Graphics g = bi.createGraphics(); ColorModel colorModel = bi.getColorModel(); g.setColor(Color.WHITE);//from w ww.j a v a 2 s . c om g.fillRect(0, 0, width, height); g.setColor(Color.BLACK); g.setFont(this.dedWindow.diagramFont); g.drawString("A", 0, 10); // Print that glyph as a string. StringBuilder sb = new StringBuilder(); for (int y = 0; y < height; y++) { int bits = 0; for (int x = 0; x < width; x++) { int pixel = bi.getRGB(x, y); int red = colorModel.getRed(pixel); int green = colorModel.getGreen(pixel); int blue = colorModel.getBlue(pixel); int alpha = colorModel.getAlpha(pixel); boolean isWhite = (red == 255 && green == 255 && blue == 255 && alpha == 255); boolean isBlack = (red == 0 && green == 0 && blue == 0 && alpha == 255); sb.append( isWhite ? "_" : isBlack ? "X" : ("(" + red + "," + green + "," + blue + "," + alpha + ")")); bits <<= 1; if (!isWhite) { bits |= 1; } } sb.append(String.format(" (0x%03X)\n", bits)); } // Also include some of the font metrics. FontMetrics fm = g.getFontMetrics(); sb.append("fm: ascent=" + fm.getAscent() + " leading=" + fm.getLeading() + " charWidth('A')=" + fm.charWidth('A') + " descent=" + fm.getDescent() + " height=" + fm.getHeight() + "\n"); String actualGlyph = sb.toString(); g.dispose(); // The expected glyph and metrics. String expectedGlyph = "_________ (0x000)\n" + "____X____ (0x010)\n" + "___X_X___ (0x028)\n" + "___X_X___ (0x028)\n" + "__X___X__ (0x044)\n" + "__X___X__ (0x044)\n" + "__XXXXX__ (0x07C)\n" + "_X_____X_ (0x082)\n" + "_X_____X_ (0x082)\n" + "_X_____X_ (0x082)\n" + "_________ (0x000)\n" + "fm: ascent=10 leading=1 charWidth('A')=9 descent=3 height=14\n"; if (!expectedGlyph.equals(actualGlyph)) { // Currently, this is known to happen when using OpenJDK 6 // and 7, with 6 being close to right and 7 being very bad. // I also have reports of it happening on certain Mac OS/X // systems, but I haven't been able to determine what the // important factor there is. String warningMessage = "There is a problem with the font rendering. The glyph " + "for the letter 'A' should look like:\n" + expectedGlyph + "but it renders as:\n" + actualGlyph + "\n" + "This probably means there is a bug in the TrueType " + "font library. You might try a different Java version. " + "(I'm working on how to solve this permanently.)"; System.err.println(warningMessage); this.log(warningMessage); SwingUtil.errorMessageBox(null /*component*/, warningMessage); } }