List of usage examples for java.awt.image BufferedImage getMinX
public int getMinX()
From source file:net.cloudkit.relaxation.CaptchaTest.java
public static void clearNoise(BufferedImage image) { final int width = image.getWidth(); final int height = image.getHeight(); /*/*from w w w. ja va 2 s . co m*/ for (int x = 0; x < width; x++) { for (int y = 0; y < height; y++) { image.setRGB(x, y, Color.WHITE.getRGB()); } } */ for (int x = image.getMinX(); x < width; x++) { for (int y = image.getMinY(); y < height; y++) { int point = image.getRGB(x, y); // int top = (y > 0) ? image.getRGB(x, y - 1) : -1; // ? int right = (x < width - 1) ? image.getRGB(x + 1, y) : -1; // int bottom = (y < height - 1) ? image.getRGB(x, y + 1) : -1; // int left = (x > 0) ? image.getRGB(x - 1, y) : -1; // ? int topRight = ((x < width - 1) && (y > 0)) ? image.getRGB(x + 1, y - 1) : -1; // int topLeft = ((x > 0) && (y > 0)) ? image.getRGB(x - 1, y - 1) : -1; // ? int bottomRight = ((x < width - 1) && (y < height - 1)) ? image.getRGB(x + 1, y + 1) : -1; // int bottomLeft = ((x > 0) && (y < height - 1)) ? image.getRGB(x - 1, y + 1) : -1; int i = 0; i = (top != -1) ? i + 1 : i; i = (right != -1) ? i + 1 : i; i = (bottom != -1) ? i + 1 : i; i = (left != -1) ? i + 1 : i; i = (topRight != -1) ? i + 1 : i; i = (topLeft != -1) ? i + 1 : i; i = (bottomRight != -1) ? i + 1 : i; i = (bottomLeft != -1) ? i + 1 : i; // System.out.println("i:" + i + ", top:" + top + ", right:" + right + ", bottom:" + bottom + ", left:" + left + ", topRight:" + topRight + ", topLeft:" + topLeft + ", bottomRight:" + bottomRight + ", bottomLeft:" + bottomLeft); if (i < 5) { image.setRGB(x, y, Color.WHITE.getRGB()); } /* int leftNearby = 0; if(left != -1) { int secondLeft = (x > 1) ? image.getRGB(x - 2, y) : -1; int threeLeft = (x > 2) ? image.getRGB(x - 3, y) : -1; leftNearby = ((left == -1) ? 0 : 1) + ((secondLeft == -1) ? 0 : 1) + ((threeLeft == -1) ? 0 : 1); } int rightNearby = 0; if(right != -1) { int secondRight = (x + 1 < width - 1) ? image.getRGB(x + 2, y) : -1; int threeRight = (x + 2 < width - 1) ? image.getRGB(x + 3, y) : -1; rightNearby = ((right == -1) ? 0 : 1) + ((secondRight == -1) ? 0 : 1) + ((threeRight == -1) ? 0 : 1); } int topNearby = 0; if(top != -1) { int secondTop = (y > 1) ? image.getRGB(x, y - 2) : -1; int threeTop = (y > 2) ? image.getRGB(x, y - 3) : -1; topNearby = ((top == -1) ? 0 : 1) + ((secondTop == -1) ? 0 : 1) + ((threeTop == -1) ? 0 : 1); } int bottomNearby = 0; if(bottom != -1) { int secondBottom = (y + 1 < height - 1) ? image.getRGB(x, y + 2) : -1; int threeBottom = (y + 2 < height - 1) ? image.getRGB(x, y + 3) : -1; bottomNearby = ((bottom == -1) ? 0 : 1) + ((secondBottom == -1) ? 0 : 1) + ((threeBottom == -1) ? 0 : 0); } System.out.println(leftNearby + " " + rightNearby + " " + topNearby + " " + bottomNearby); if (leftNearby != 2 && rightNearby != 2 && topNearby != 2 && bottomNearby != 2) { image.setRGB(x, y, Color.WHITE.getRGB()); } */ /* System.out.println(point - top); System.out.println(point - right); System.out.println(point - bottom); System.out.println(point - left); System.out.println(point - topRight); System.out.println(point - topLeft); System.out.println(point - bottomRight); System.out.println(point - bottomLeft); */ // if (point != top && point != right && point != bottom && point != left && point != topRight && point != topLeft && point != bottomRight && point != bottomLeft) { // image.setRGB(x, y, Color.WHITE.getRGB()); // } /* Color color = new Color(image.getRGB(x, y)); if((color.getBlue() < 120) || ((color.getRed() + color.getGreen() + color.getBlue()) < 50)) { // image.setRGB(x, y, Color.WHITE.getRGB()); } else if((color.getRed() + color.getGreen() + color.getBlue()) < 400) { image.setRGB(x, y, Color.BLACK.getRGB()); } */ Color color = new Color(image.getRGB(x, y)); if ((color.getRed() + color.getGreen() + color.getBlue()) < 600) { image.setRGB(x, y, Color.BLACK.getRGB()); } else { image.setRGB(x, y, Color.WHITE.getRGB()); } } } }
From source file:cn.z.Ocr5.java
public static BufferedImage removeBackgroud(File picFile) throws Exception { BufferedImage img = ImageIO.read(picFile); final int width = img.getWidth(); final int height = img.getHeight(); // int blackThreshold = 300; // img.getMinX() img.getMinY() for (int x = img.getMinX(); x < width; x++) { for (int y = img.getMinY(); y < height; y++) { Color color = new Color(img.getRGB(x, y)); if ((color.getBlue() < 120) || ((color.getRed() + color.getGreen() + color.getBlue()) < 50)) { // img.setRGB(x, y, Color.WHITE.getRGB()); } else if ((color.getRed() + color.getGreen() + color.getBlue()) < 400) { img.setRGB(x, y, Color.BLACK.getRGB()); }//from w w w . j a v a2 s . c o m int nearly = 0; int vertical = 0; int horizontal = 0; if (x > 0) { Color leftColor = new Color(img.getRGB(x - 1, y)); if ((leftColor.getRed() + leftColor.getGreen() + leftColor.getBlue()) < 400) { nearly++; horizontal++; } } if (x < width - 1) { Color rightColor = new Color(img.getRGB(x + 1, y)); if ((rightColor.getRed() + rightColor.getGreen() + rightColor.getBlue()) < 400) { nearly++; horizontal++; } } if (y > 0) { Color topColor = new Color(img.getRGB(x, y - 1)); if ((topColor.getRed() + topColor.getGreen() + topColor.getBlue()) < 400) { nearly++; vertical++; } } if (y < height - 1) { Color bottomColor = new Color(img.getRGB(x, y + 1)); if ((bottomColor.getRed() + bottomColor.getGreen() + bottomColor.getBlue()) < 400) { nearly++; vertical++; } } if (x > 0 && y > 0) { Color leftTopColor = new Color(img.getRGB(x - 1, y - 1)); if ((leftTopColor.getRed() + leftTopColor.getGreen() + leftTopColor.getBlue()) < 400) { nearly++; } } if (x < width - 1 && y < height - 1) { Color rightBottomColor = new Color(img.getRGB(x + 1, y + 1)); if ((rightBottomColor.getRed() + rightBottomColor.getGreen() + rightBottomColor.getBlue()) < 400) { nearly++; } } if (x < width - 1 && y > 0) { Color rightTopColor = new Color(img.getRGB(x + 1, y - 1)); if ((rightTopColor.getRed() + rightTopColor.getGreen() + rightTopColor.getBlue()) < 400) { nearly++; } } if (x > 0 && y < height - 1) { Color leftBottomColor = new Color(img.getRGB(x - 1, y + 1)); if ((leftBottomColor.getRed() + leftBottomColor.getGreen() + leftBottomColor.getBlue()) < 400) { nearly++; } } if (nearly < 2) { img.setRGB(x, y, Color.WHITE.getRGB()); } /* if (horizontal < 1 && vertical > 0) { img.setRGB(x, y, Color.WHITE.getRGB()); } if (horizontal > 0 && vertical < 1) { img.setRGB(x, y, Color.WHITE.getRGB()); } */ /* if (isWhite(img.getRGB(x, y), whiteThreshold) == 1) { img.setRGB(x, y, Color.WHITE.getRGB()); } else { img.setRGB(x, y, Color.BLACK.getRGB()); } if (getColorBright(img.getRGB(x, y)) < 100) { int count = isBlack(img.getRGB(x - 1, y), blackThreshold) + isBlack(img.getRGB(x + 1, y), blackThreshold) + isBlack(img.getRGB(x, y - 1), blackThreshold) + isBlack(img.getRGB(x, y + 1), blackThreshold) + isBlack(img.getRGB(x + 1, y + 1), blackThreshold) + isBlack(img.getRGB(x - 1, y - 1), blackThreshold) + isBlack(img.getRGB(x + 1, y -1 ), blackThreshold) + isBlack(img.getRGB(x - 1, y + 1), blackThreshold); System.out.println(count); if (count < 2) { img.setRGB(x, y, Color.WHITE.getRGB()); } // img.setRGB(x, y, Color.WHITE.getRGB()); } */ // if(getColorBright(img.getRGB(x, y)) > 600) { // img.setRGB(x, y, Color.WHITE.getRGB()); // } else { // /* // // ?Graphics2D // Graphics2D g2d = img.createGraphics(); // // ? // // 1.0f? 0-1.0???? // g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, 1.0f)); // // // g2d.setColor(new Color(255,0,0)); // g2d.setStroke(new BasicStroke(1)); // // g2d.draw // // // // ? ? // g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); // g2d.dispose(); // */ // // img.setRGB(x, y, Color.BLACK.getRGB()); // /* // System.out.println(getColorBright(img.getRGB(x, y)) + ":"); // System.out.println(getColorBright(img.getRGB(x + 1, y)) + "-" + getColorBright(img.getRGB(x + 1, y + 1)) + "-" + getColorBright(img.getRGB(x, y + 1))); // System.out.println(getColorBright(img.getRGB(x - 1, y)) + "-" + getColorBright(img.getRGB(x - 1, y - 1)) + "-" + getColorBright(img.getRGB(x, y - 1))); // System.out.println(getColorBright(img.getRGB(x - 1, y + 1)) + "-" + getColorBright(img.getRGB(x + 1, y - 1))); // */ // // /* // int i = 0; // i = ((x < width - 1) && getColorBright(img.getRGB(x + 1, y)) < 30)? i + 1 : i; // i = ((x < width - 1) && (y < height - 1) && getColorBright(img.getRGB(x + 1, y + 1)) < 30)? i + 1 : i; // i = ((y < height - 1) && getColorBright(img.getRGB(x, y + 1)) < 30)? i + 1 : i; // i = ((x > 0) && getColorBright(img.getRGB(x - 1, y)) < 30)? i + 1 : i; // i = ((x > 0) && (y > 0) && getColorBright(img.getRGB(x - 1, y - 1)) < 30)? i + 1 : i; // i = ((y > 0) && getColorBright(img.getRGB(x, y - 1)) < 30)? i + 1 : i; // i = ((x < width - 1) && (y > 0) && getColorBright(img.getRGB(x + 1, y - 1)) < 30)? i + 1 : i; // i = ((x > 0) && (y < height - 1) && getColorBright(img.getRGB(x - 1, y + 1)) < 30)? i + 1 : i; // // if(i > 1) { // img.setRGB(x, y, Color.BLACK.getRGB()); // } else { // img.setRGB(x, y, Color.WHITE.getRGB()); // } // */ // } /* int i = 0; i = (getColorBright(img.getRGB(x + 1, y)) == 0)? i + 1 : i; i = (getColorBright(img.getRGB(x + 1, y + 1)) == 0)? i + 1 : i; i = (getColorBright(img.getRGB(x, y + 1)) == 0)? i + 1 : i; i = (getColorBright(img.getRGB(x - 1, y)) == 0)? i + 1 : i; i = (getColorBright(img.getRGB(x - 1, y - 1)) == 0)? i + 1 : i; i = (getColorBright(img.getRGB(x, y - 1)) == 0)? i + 1 : i; System.out.println(getColorBright(img.getRGB(x, y)) + ":"); System.out.println(getColorBright(img.getRGB(x + 1, y)) + "-" + getColorBright(img.getRGB(x + 1, y + 1)) + "-" + getColorBright(img.getRGB(x, y + 1))); System.out.println(getColorBright(img.getRGB(x - 1, y)) + "-" + getColorBright(img.getRGB(x - 1, y - 1)) + "-" + getColorBright(img.getRGB(x, y - 1))); System.out.println(getColorBright(img.getRGB(x - 1, y + 1)) + "-" + getColorBright(img.getRGB(x + 1, y - 1))); if(getColorBright(img.getRGB(x, y)) == 0 && i < 3) { img.setRGB(x, y, Color.WHITE.getRGB()); } */ /* // ?for???? // ??object Object data = img.getRaster().getDataElements(x, y, null); int red = img.getColorModel().getRed(data); int blue = img.getColorModel().getBlue(data); int green = img.getColorModel().getGreen(data); System.out.println((red + blue + green) + "-" + getColorBright(img.getRGB(x, y))); red = (red * 3 + green * 6 + blue * 1)/10; green = red; blue = green; // r?g?b?rgbbufferedImage????rgbrgb8388608?255*255*255?16777216 int rgb = (red * 256 + green) * 256 + blue; if(rgb > 8388608) { rgb = rgb - 16777216; } // rgb img.setRGB(x, y, rgb); */ } } // img = img.getSubimage(1, 1, img.getWidth() - 2, img.getHeight() - 2); return img; }
From source file:org.geolatte.maprenderer.sld.graphics.ExternalGraphicsRepository.java
private BufferedImage rotate(BufferedImage img, float rotation) { AffineTransform tx = new AffineTransform(); //determine center point of image int sx = img.getMinX() + img.getWidth() / 2; int sy = img.getMinY() + img.getHeight() / 2; double theta = Math.toRadians(rotation); tx.rotate(theta, sx, sy);/* ww w. j a va2s .c om*/ AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR); return op.filter(img, null); }
From source file:net.cloudkit.relaxation.VerifyImage.java
public void clearNoise(BufferedImage image) { /*/*from ww w. j a va 2 s . c om*/ int w = image.getWidth(); int h = image.getHeight(); int p1; int p2; for (p1 = 0; p1 < w; ++p1) { for (p2 = 0; p2 < h; ++p2) { if (p1 == 0 || p2 == 0 || p1 == w - 1 || p2 == h - 1) { image.setRGB(p1, p2, Color.WHITE.getRGB()); } } } for (int x = 0; x < w; ++x) { for (int y = 0; y < h; ++y) { p1 = x == 0 ? 255 : getRed(image.getRGB(x - 1, y)); p2 = x == w - 1 ? 255 : getRed(image.getRGB(x + 1, y)); int p3 = y == 0 ? 255 : getRed(image.getRGB(x, y - 1)); int p4 = y == h - 1 ? 255 : getRed(image.getRGB(x, y + 1)); int p5 = x != 0 && y != 0 ? getRed(image.getRGB(x - 1, y - 1)) : 255; int p6 = x != w - 1 && y != 0 ? getRed(image.getRGB(x + 1, y - 1)) : 255; int p7 = x != 0 && y != h - 1 ? getRed(image.getRGB(x - 1, y + 1)) : 255; int p8 = x != w - 1 && y != h - 1 ? getRed(image.getRGB(x + 1, y + 1)) : 255; if (p1 == 255 && p1 == p2 && p2 == p3 && p3 == p4 && p4 == p5 && p5 == p6 && p7 == p8) { image.setRGB(x, y, Color.WHITE.getRGB()); } } } */ final int width = image.getWidth(); final int height = image.getHeight(); // int blackThreshold = 300; // img.getMinX() img.getMinY() for (int x = image.getMinX(); x < width; x++) { for (int y = image.getMinY(); y < height; y++) { // Color color = new Color(image.getRGB(x, y)); // if((color.getBlue() < 120) || ((color.getRed() + color.getGreen() + color.getBlue()) < 50)) { // // image.setRGB(x, y, Color.WHITE.getRGB()); // } else if((color.getRed() + color.getGreen() + color.getBlue()) < 400) { // image.setRGB(x, y, Color.BLACK.getRGB()); // } int nearly = 0; int vertical = 0; int horizontal = 0; if (x > 0) { Color leftColor = new Color(image.getRGB(x - 1, y)); if ((leftColor.getRed() + leftColor.getGreen() + leftColor.getBlue()) < 400) { nearly++; horizontal++; } } if (x < width - 1) { Color rightColor = new Color(image.getRGB(x + 1, y)); if ((rightColor.getRed() + rightColor.getGreen() + rightColor.getBlue()) < 400) { nearly++; horizontal++; } } if (y > 0) { Color topColor = new Color(image.getRGB(x, y - 1)); if ((topColor.getRed() + topColor.getGreen() + topColor.getBlue()) < 400) { nearly++; vertical++; } } if (y < height - 1) { Color bottomColor = new Color(image.getRGB(x, y + 1)); if ((bottomColor.getRed() + bottomColor.getGreen() + bottomColor.getBlue()) < 400) { nearly++; vertical++; } } if (x > 0 && y > 0) { Color leftTopColor = new Color(image.getRGB(x - 1, y - 1)); if ((leftTopColor.getRed() + leftTopColor.getGreen() + leftTopColor.getBlue()) < 400) { nearly++; } } if (x < width - 1 && y < height - 1) { Color rightBottomColor = new Color(image.getRGB(x + 1, y + 1)); if ((rightBottomColor.getRed() + rightBottomColor.getGreen() + rightBottomColor.getBlue()) < 400) { nearly++; } } if (x < width - 1 && y > 0) { Color rightTopColor = new Color(image.getRGB(x + 1, y - 1)); if ((rightTopColor.getRed() + rightTopColor.getGreen() + rightTopColor.getBlue()) < 400) { nearly++; } } if (x > 0 && y < height - 1) { Color leftBottomColor = new Color(image.getRGB(x - 1, y + 1)); if ((leftBottomColor.getRed() + leftBottomColor.getGreen() + leftBottomColor.getBlue()) < 400) { nearly++; } } if (nearly < 2) { image.setRGB(x, y, Color.WHITE.getRGB()); } } } }
From source file:org.broad.igv.batch.CommandExecutorTest.java
@Test public void testSnapshotsize() throws Exception { String filePath = TestUtils.DATA_DIR + "bam/NA12878.SLX.sample.bam"; int numLoads = 1; for (int ii = 0; ii < numLoads; ii++) { IGV.getInstance().loadResources(Arrays.asList(new ResourceLocator(filePath))); }// w w w . j av a 2 s.c o m exec.execute("goto chr1:9,713,386-9,733,865"); int minHeight = (int) Toolkit.getDefaultToolkit().getScreenSize().getHeight() - 150; int maxHeight = minHeight + 200; String outFileName = minHeight + ".png"; exec.execute("maxpanelheight " + maxHeight); exec.execute("snapshot " + outFileName); File outputFile = new File(snapshotDir, outFileName); BufferedImage image = ImageIO.read(outputFile); assertTrue("Output image height " + image.getHeight() + " is not at least " + minHeight, image.getHeight() > minHeight); int remAlphaMask = 0x00ffffff; int numBlackPix = 0; for (int yy = image.getMinY(); yy < image.getHeight(); yy++) { for (int xx = image.getMinX(); xx < image.getWidth(); xx++) { int color = image.getRGB(xx, yy) & remAlphaMask; numBlackPix += color == 0 ? 1 : 0; } } //Just making sure we don't trivially satisfy the problem assertTrue(numBlackPix > 100); int totalPix = image.getHeight() * image.getWidth(); assertTrue("Too much of the snapshot is black", numBlackPix < totalPix * 0.1); }
From source file:org.deegree.securityproxy.wms.responsefilter.clipping.SimpleRasterClipper.java
private MapViewport createViewPort(BufferedImage inputImage, ReferencedEnvelope referencedBbox) { MapViewport viewPort = new MapViewport(referencedBbox); int screenX = inputImage.getMinX(); int screenY = inputImage.getMinY(); int screenWidth = inputImage.getWidth(); int screenHeight = inputImage.getHeight(); viewPort.setScreenArea(new Rectangle(screenX, screenY, screenWidth, screenHeight)); return viewPort; }