List of usage examples for java.awt.image ConvolveOp ConvolveOp
public ConvolveOp(Kernel kernel, int edgeCondition, RenderingHints hints)
From source file:ConvolveApp.java
public void blur() { float data[] = { 0.0625f, 0.125f, 0.0625f, 0.125f, 0.25f, 0.125f, 0.0625f, 0.125f, 0.0625f }; Kernel kernel = new Kernel(3, 3, data); ConvolveOp convolve = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null); convolve.filter(biSrc, biDest);// www.java2s.c om bi = biDest; }
From source file:ConvolveApp.java
public void edgeDetect() { float data[] = { 1.0f, 0.0f, -1.0f, 1.0f, 0.0f, -1.0f, 1.0f, 0.0f, -1.0f }; Kernel kernel = new Kernel(3, 3, data); ConvolveOp convolve = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null); convolve.filter(biSrc, biDest);/*www.j a v a 2s . c o m*/ bi = biDest; }
From source file:Java2DExample.java
public BufferedImage processImage(BufferedImage image) { float[] sharpenMatrix = { 0.0f, -1.0f, 0.0f, -1.0f, 5.0f, -1.0f, 0.0f, -1.0f, 0.0f }; BufferedImageOp sharpenFilter = new ConvolveOp(new Kernel(3, 3, sharpenMatrix), ConvolveOp.EDGE_NO_OP, null);//from w w w . j a v a 2 s . co m return sharpenFilter.filter(image, null); }
From source file:ImageDrawingComponent.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; switch (opIndex) { case 0: /* copy */ g.drawImage(bi, 0, 0, null);//from ww w .j av a 2s .c o m break; case 1: /* scale up using coordinates */ g.drawImage(bi, 0, 0, w, h, /* dst rectangle */ 0, 0, w / 2, h / 2, /* src area of image */ null); break; case 2: /* scale down using transform */ g2.drawImage(bi, AffineTransform.getScaleInstance(0.7, 0.7), null); break; case 3: /* scale up using transform Op and BICUBIC interpolation */ AffineTransform at = AffineTransform.getScaleInstance(1.5, 1.5); AffineTransformOp aop = new AffineTransformOp(at, AffineTransformOp.TYPE_BICUBIC); g2.drawImage(bi, aop, 0, 0); break; case 4: /* low pass filter */ case 5: /* sharpen */ float[] data = (opIndex == 4) ? BLUR3x3 : SHARPEN3x3; ConvolveOp cop = new ConvolveOp(new Kernel(3, 3, data), ConvolveOp.EDGE_NO_OP, null); g2.drawImage(bi, cop, 0, 0); break; case 6: /* rescale */ RescaleOp rop = new RescaleOp(1.1f, 20.0f, null); g2.drawImage(bi, rop, 0, 0); break; case 7: /* lookup */ byte lut[] = new byte[256]; for (int j = 0; j < 256; j++) { lut[j] = (byte) (256 - j); } ByteLookupTable blut = new ByteLookupTable(0, lut); LookupOp lop = new LookupOp(blut, null); g2.drawImage(bi, lop, 0, 0); break; default: } }
From source file:editeurpanovisu.ReadWriteImage.java
/** * * @param img/*from w ww . ja v a 2 s .c om*/ * @param destFile * @param quality * @param sharpen * @param sharpenLevel * @throws IOException */ public static void writeJpeg(Image img, String destFile, float quality, boolean sharpen, float sharpenLevel) throws IOException { sharpenMatrix = calculeSharpenMatrix(sharpenLevel); BufferedImage imageRGBSharpen = null; IIOImage iioImage = null; BufferedImage image = SwingFXUtils.fromFXImage(img, null); // Get buffered image. BufferedImage imageRGB = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.OPAQUE); // Remove alpha-channel from buffered image. Graphics2D graphics = imageRGB.createGraphics(); graphics.drawImage(image, 0, 0, null); if (sharpen) { imageRGBSharpen = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB); Kernel kernel = new Kernel(3, 3, sharpenMatrix); ConvolveOp cop = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null); cop.filter(imageRGB, imageRGBSharpen); } ImageWriter writer = null; FileImageOutputStream output = null; try { writer = ImageIO.getImageWritersByFormatName("jpeg").next(); ImageWriteParam param = writer.getDefaultWriteParam(); param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); param.setCompressionQuality(quality); output = new FileImageOutputStream(new File(destFile)); writer.setOutput(output); if (sharpen) { iioImage = new IIOImage(imageRGBSharpen, null, null); } else { iioImage = new IIOImage(imageRGB, null, null); } writer.write(null, iioImage, param); } catch (IOException ex) { throw ex; } finally { if (writer != null) { writer.dispose(); } if (output != null) { output.close(); } } graphics.dispose(); }
From source file:editeurpanovisu.ReadWriteImage.java
/** * * @param img//from w w w. j av a 2s. c om * @param destFile * @param sharpen * @param sharpenLevel * @throws IOException */ public static void writeBMP(Image img, String destFile, boolean sharpen, float sharpenLevel) throws IOException { sharpenMatrix = calculeSharpenMatrix(sharpenLevel); BufferedImage imageRGBSharpen = null; IIOImage iioImage = null; BufferedImage image = SwingFXUtils.fromFXImage(img, null); // Get buffered image. BufferedImage imageRGB = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.OPAQUE); // Remove alpha-channel from buffered image. Graphics2D graphics = imageRGB.createGraphics(); graphics.drawImage(image, 0, 0, null); if (sharpen) { imageRGBSharpen = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB); Kernel kernel = new Kernel(3, 3, sharpenMatrix); ConvolveOp cop = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null); cop.filter(imageRGB, imageRGBSharpen); } ImageWriter writer = null; FileImageOutputStream output = null; try { writer = ImageIO.getImageWritersByFormatName("bmp").next(); ImageWriteParam param = writer.getDefaultWriteParam(); output = new FileImageOutputStream(new File(destFile)); writer.setOutput(output); if (sharpen) { iioImage = new IIOImage(imageRGBSharpen, null, null); } else { iioImage = new IIOImage(imageRGB, null, null); } writer.write(null, iioImage, param); } catch (IOException ex) { throw ex; } finally { if (writer != null) { writer.dispose(); } if (output != null) { output.close(); } } graphics.dispose(); }
From source file:editeurpanovisu.ReadWriteImage.java
/** * * @param img// ww w. j ava2s . co m * @param destFile * @param sharpen * @param sharpenLevel * @throws IOException */ public static void writePng(Image img, String destFile, boolean sharpen, float sharpenLevel) throws IOException { sharpenMatrix = calculeSharpenMatrix(sharpenLevel); BufferedImage imageRGBSharpen = null; IIOImage iioImage = null; BufferedImage image = SwingFXUtils.fromFXImage(img, null); // Get buffered image. BufferedImage imageRGB = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.BITMASK); Graphics2D graphics = imageRGB.createGraphics(); graphics.drawImage(image, 0, 0, null); if (sharpen) { imageRGBSharpen = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB); Kernel kernel = new Kernel(3, 3, sharpenMatrix); ConvolveOp cop = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null); cop.filter(imageRGB, imageRGBSharpen); } ImageWriter writer = null; FileImageOutputStream output = null; try { writer = ImageIO.getImageWritersByFormatName("png").next(); ImageWriteParam param = writer.getDefaultWriteParam(); output = new FileImageOutputStream(new File(destFile)); writer.setOutput(output); if (sharpen) { iioImage = new IIOImage(imageRGBSharpen, null, null); } else { iioImage = new IIOImage(imageRGB, null, null); } writer.write(null, iioImage, param); } catch (IOException ex) { throw ex; } finally { if (writer != null) { writer.dispose(); } if (output != null) { output.close(); } } graphics.dispose(); }
From source file:com.salesmanager.core.util.ProductImageUtil.java
public BufferedImage blurImage(BufferedImage image) { float ninth = 1.0f / 9.0f; float[] blurKernel = { ninth, ninth, ninth, ninth, ninth, ninth, ninth, ninth, ninth }; Map<Key, Object> map = new HashMap<Key, Object>(); map.put(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); map.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); map.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); RenderingHints hints = new RenderingHints(map); BufferedImageOp op = new ConvolveOp(new Kernel(3, 3, blurKernel), ConvolveOp.EDGE_NO_OP, hints); return op.filter(image, null); }
From source file:org.sbs.util.ImageCompress.java
/** * gif//from w ww . j a va 2s. c o m * * @param originalFile * * @param resizedFile * ? * @param newWidth * * @param newHeight * -1? * @param quality * () * @throws IOException */ public void resize(File originalFile, File resizedFile, int newWidth, int newHeight, float quality) throws IOException { if (quality < 0 || quality > 1) { throw new IllegalArgumentException("Quality has to be between 0 and 1"); } ImageIcon ii = new ImageIcon(originalFile.getCanonicalPath()); Image i = ii.getImage(); Image resizedImage = null; int iWidth = i.getWidth(null); int iHeight = i.getHeight(null); if (newHeight == -1) { if (iWidth > iHeight) { resizedImage = i.getScaledInstance(newWidth, (newWidth * iHeight) / iWidth, Image.SCALE_SMOOTH); } else { resizedImage = i.getScaledInstance((newWidth * iWidth) / iHeight, newWidth, Image.SCALE_SMOOTH); } } else { resizedImage = i.getScaledInstance(newWidth, newHeight, Image.SCALE_SMOOTH); } // This code ensures that all the pixels in the image are loaded. Image temp = new ImageIcon(resizedImage).getImage(); // Create the buffered image. BufferedImage bufferedImage = new BufferedImage(temp.getWidth(null), temp.getHeight(null), BufferedImage.TYPE_INT_RGB); // Copy image to buffered image. Graphics g = bufferedImage.createGraphics(); // Clear background and paint the image. g.setColor(Color.white); g.fillRect(0, 0, temp.getWidth(null), temp.getHeight(null)); g.drawImage(temp, 0, 0, null); g.dispose(); // Soften. float softenFactor = 0.05f; float[] softenArray = { 0, softenFactor, 0, softenFactor, 1 - (softenFactor * 4), softenFactor, 0, softenFactor, 0 }; Kernel kernel = new Kernel(3, 3, softenArray); ConvolveOp cOp = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null); bufferedImage = cOp.filter(bufferedImage, null); // Write the jpeg to a file. FileOutputStream out = FileUtils.openOutputStream(resizedFile); // Encodes image as a JPEG data stream JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out); JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bufferedImage); param.setQuality(quality, true); encoder.setJPEGEncodeParam(param); encoder.encode(bufferedImage); }
From source file:qupath.lib.algorithms.color.EstimateStainVectors.java
/** * Smooth out compression artefacts by running 3x3 filter twice (roughly approximates a small Gaussian filter). * /* w ww .j a v a 2s.com*/ * @param img * @return */ public static BufferedImage smoothImage(final BufferedImage img) { ConvolveOp op = new ConvolveOp(new Kernel(3, 3, new float[] { 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f }), ConvolveOp.EDGE_NO_OP, null); BufferedImage img2 = op.filter(img, null); return op.filter(img2, null); }