List of usage examples for java.awt.image BufferedImage getHeight
public int getHeight()
From source file:de.romankreisel.faktotum.beans.BundesbruderBean.java
/** * @param originalPicture// w w w.j a va 2s. c o m * @param pictureHeight * @param pictureWidth * @return * @throws IOException */ public Byte[] resizeProfilePicture(Byte[] originalPicture, int width, int height) throws IOException { BufferedImage originalImage = this.getImageFromByteArray(originalPicture); Dimension newDimension = this.getScaledDimension( new Dimension(originalImage.getWidth(), originalImage.getHeight()), new Dimension(width, height)); Image scaledImage = originalImage.getScaledInstance(newDimension.width, newDimension.height, Image.SCALE_SMOOTH); return this.storeImageToByteArray(scaledImage); }
From source file:baocaoxla.xuly_compare.java
public ChartPanel displayhistogram(BufferedImage image) { HistogramDataset dataset = new HistogramDataset(); final int w = image.getWidth(); final int h = image.getHeight(); double[] r = new double[w * h]; double[] g = new double[w * h]; double[] b = new double[w * h]; int dem = 0;//from w w w .ja v a 2s. c om for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { Color c = new Color(image.getRGB(j, i)); r[dem] = c.getRed(); g[dem] = c.getGreen(); b[dem] = c.getBlue(); dem++; } } //r = raster.getSamples(0, 0, w, h, 0, r); dataset.addSeries("Red", r, 256); //r = raster.getSamples(0, 0, w, h, 1, r); dataset.addSeries("Green", g, 256); // r = raster.getSamples(0, 0, w, h, 2, r); dataset.addSeries("Blue", b, 256); // chart JFreeChart chart = ChartFactory.createHistogram("Histogram", "Value", "Count", dataset, PlotOrientation.VERTICAL, true, true, false); ChartPanel panel = new ChartPanel(chart); return panel; }
From source file:blusunrize.immersiveengineering.client.render.TileRenderAutoWorkbench.java
public static BlueprintLines getBlueprintDrawable(ItemStack stack, World world) { if (stack.isEmpty()) return null; EntityPlayer player = ClientUtils.mc().player; ArrayList<BufferedImage> images = new ArrayList<>(); try {/*from w w w. j a v a2 s . com*/ IBakedModel ibakedmodel = ClientUtils.mc().getRenderItem().getItemModelWithOverrides(stack, world, player); HashSet<String> textures = new HashSet(); Collection<BakedQuad> quads = ibakedmodel.getQuads(null, null, 0); for (BakedQuad quad : quads) if (quad != null && quad.getSprite() != null) textures.add(quad.getSprite().getIconName()); for (String s : textures) { ResourceLocation rl = new ResourceLocation(s); rl = new ResourceLocation(rl.getNamespace(), String.format("%s/%s%s", "textures", rl.getPath(), ".png")); IResource resource = ClientUtils.mc().getResourceManager().getResource(rl); BufferedImage bufferedImage = TextureUtil.readBufferedImage(resource.getInputStream()); if (bufferedImage != null) images.add(bufferedImage); } } catch (Exception e) { } if (images.isEmpty()) return null; ArrayList<Pair<TexturePoint, TexturePoint>> lines = new ArrayList(); HashSet testSet = new HashSet(); HashMultimap<Integer, TexturePoint> area = HashMultimap.create(); int wMax = 0; for (BufferedImage bufferedImage : images) { Set<Pair<TexturePoint, TexturePoint>> temp_lines = new HashSet<>(); int w = bufferedImage.getWidth(); int h = bufferedImage.getHeight(); if (h > w) h = w; if (w > wMax) wMax = w; for (int hh = 0; hh < h; hh++) for (int ww = 0; ww < w; ww++) { int argb = bufferedImage.getRGB(ww, hh); float r = (argb >> 16 & 255) / 255f; float g = (argb >> 8 & 255) / 255f; float b = (argb & 255) / 255f; float intesity = (r + b + g) / 3f; int alpha = (argb >> 24) & 255; if (alpha > 0) { boolean added = false; //Check colour sets for similar colour to shade it later TexturePoint tp = new TexturePoint(ww, hh, w); if (!testSet.contains(tp)) { for (Integer key : area.keySet()) { for (TexturePoint p : area.get(key)) { float mod = w / (float) p.scale; int pColour = bufferedImage.getRGB((int) (p.x * mod), (int) (p.y * mod)); float dR = (r - (pColour >> 16 & 255) / 255f); float dG = (g - (pColour >> 8 & 255) / 255f); float dB = (b - (pColour & 255) / 255f); double delta = Math.sqrt(dR * dR + dG * dG + dB * dB); if (delta < .25) { area.put(key, tp); added = true; break; } } if (added) break; } if (!added) area.put(argb, tp); testSet.add(tp); } //Compare to direct neighbour for (int i = 0; i < 4; i++) { int xx = (i == 0 ? -1 : i == 1 ? 1 : 0); int yy = (i == 2 ? -1 : i == 3 ? 1 : 0); int u = ww + xx; int v = hh + yy; int neighbour = 0; float delta = 1; boolean notTransparent = false; if (u >= 0 && u < w && v >= 0 && v < h) { neighbour = bufferedImage.getRGB(u, v); notTransparent = ((neighbour >> 24) & 255) > 0; if (notTransparent) { float neighbourIntesity = ((neighbour >> 16 & 255) + (neighbour >> 8 & 255) + (neighbour & 255)) / 765f; float intesityDelta = Math.max(0, Math.min(1, Math.abs(intesity - neighbourIntesity))); float rDelta = Math.max(0, Math.min(1, Math.abs(r - (neighbour >> 16 & 255) / 255f))); float gDelta = Math.max(0, Math.min(1, Math.abs(g - (neighbour >> 8 & 255) / 255f))); float bDelta = Math.max(0, Math.min(1, Math.abs(b - (neighbour & 255) / 255f))); delta = Math.max(intesityDelta, Math.max(rDelta, Math.max(gDelta, bDelta))); delta = delta < .25 ? 0 : delta > .4 ? 1 : delta; } } if (delta > 0) { Pair<TexturePoint, TexturePoint> l = Pair.of( new TexturePoint(ww + (i == 0 ? 0 : i == 1 ? 1 : 0), hh + (i == 2 ? 0 : i == 3 ? 1 : 0), w), new TexturePoint(ww + (i == 0 ? 0 : i == 1 ? 1 : 1), hh + (i == 2 ? 0 : i == 3 ? 1 : 1), w)); temp_lines.add(l); } } } } lines.addAll(temp_lines); } ArrayList<Integer> lumiSort = new ArrayList<>(area.keySet()); Collections.sort(lumiSort, (rgb1, rgb2) -> Double.compare(getLuminance(rgb1), getLuminance(rgb2))); HashMultimap<ShadeStyle, Point> complete_areaMap = HashMultimap.create(); int lineNumber = 2; int lineStyle = 0; for (Integer i : lumiSort) { complete_areaMap.putAll(new ShadeStyle(lineNumber, lineStyle), area.get(i)); ++lineStyle; lineStyle %= 3; if (lineStyle == 0) lineNumber += 1; } Set<Pair<Point, Point>> complete_lines = new HashSet<>(); for (Pair<TexturePoint, TexturePoint> line : lines) { TexturePoint p1 = line.getKey(); TexturePoint p2 = line.getValue(); complete_lines.add(Pair.of( new Point((int) (p1.x / (float) p1.scale * wMax), (int) (p1.y / (float) p1.scale * wMax)), new Point((int) (p2.x / (float) p2.scale * wMax), (int) (p2.y / (float) p2.scale * wMax)))); } return new BlueprintLines(wMax, complete_lines, complete_areaMap); }
From source file:DBScan.java
private double eucDistance(BufferedImage img1, BufferedImage img2) { double distance = 0; for (int x = 0; x < Math.max(img1.getWidth(), img2.getWidth()); x++) for (int y = 0; y < Math.max(img1.getHeight(), img2.getHeight()); y++) { distance += minDistance(x, y, img1, img2); distance += minDistance(x, y, img2, img1); if (distance > epsSqr + 1) break; }/*www . jav a2 s.c o m*/ distance = Math.sqrt(distance); return distance; }
From source file:net.sqs2.omr.result.export.chart.ChartImageWriter.java
private void setSectionPaint(PieDataset dataSet, PiePlot piePlot) { Paint outlinePaint = Color.BLACK; Stroke outlineStroke = new BasicStroke(1.0f); if (this.itemBackgroundImages != null && 0 < this.itemBackgroundImages.length) { int index = 0; for (Object key : dataSet.getKeys()) { int imageIndex = index % this.itemBackgroundImages.length; BufferedImage texture = this.itemBackgroundImages[imageIndex]; Rectangle2D anchor = new Rectangle2D.Double(0, 0, texture.getWidth(), texture.getHeight()); TexturePaint fillPaint = new TexturePaint(texture, anchor); piePlot.setSectionPaint((Comparable<?>) key, fillPaint); piePlot.setSectionOutlinePaint((Comparable<?>) key, outlinePaint); piePlot.setSectionOutlineStroke((Comparable<?>) key, outlineStroke); index++;// www. j a v a2s .c om } } piePlot.setOutlineVisible(true); piePlot.setOutlinePaint(outlinePaint); piePlot.setOutlineStroke(outlineStroke); piePlot.setSectionOutlinesVisible(true); piePlot.setBaseSectionOutlinePaint(outlinePaint); piePlot.setBaseSectionOutlineStroke(outlineStroke); }
From source file:cpcc.ros.services.RosImageConverterTest.java
@Test public void shouldReturnAnEmptyImageForACorruptedPNG() throws IOException { int height = 90; int width = 120; String encoding = "PNG"; String imageName = "data/test-image.png"; InputStream stream = RosImageConverterTest.class.getResourceAsStream(imageName); byte[] saneImageData = IOUtils.toByteArray(stream); byte[] imageData = Arrays.copyOfRange(saneImageData, 0, saneImageData.length - 100); when(buffer.array()).thenReturn(imageData); when(message.getEncoding()).thenReturn(encoding); when(message.getHeight()).thenReturn(height); when(message.getWidth()).thenReturn(width); when(message.getData()).thenReturn(ChannelBuffers.copiedBuffer(ByteOrder.nativeOrder(), imageData)); BufferedImage result = conv.messageToBufferedImage(message); assertThat(result).isNotNull();/* www. j a v a2 s . co m*/ assertThat(result.getHeight()).isEqualTo(height); assertThat(result.getWidth()).isEqualTo(width); assertThatImageIsEmpty(result); }
From source file:edu.emory.library.tast.images.ThumbnailServlet.java
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // location of images String baseUrl = AppConfig.getConfiguration().getString(AppConfig.IMAGES_URL); baseUrl = StringUtils.trimEnd(baseUrl, '/'); // image name and size String imageFileName = request.getParameter("i"); int thumbnailWidth = Integer.parseInt(request.getParameter("w")); int thumbnailHeight = Integer.parseInt(request.getParameter("h")); // image dir/* w w w. java 2s .co m*/ String imagesDir = AppConfig.getConfiguration().getString(AppConfig.IMAGES_DIRECTORY); // create the thumbnail name String thumbnailFileName = FilenameUtils.getBaseName(imageFileName) + "-" + thumbnailWidth + "x" + thumbnailHeight + ".png"; // does it exist? File thumbnailFile = new File(imagesDir, thumbnailFileName); if (thumbnailFile.exists()) { response.sendRedirect(baseUrl + "/" + thumbnailFileName); return; } // read the image File imageFile = new File(imagesDir, imageFileName); BufferedImage image = ImageIO.read(imageFile); int imageWidth = image.getWidth(); int imageHeight = image.getHeight(); BufferedImage imageCopy = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB); imageCopy.getGraphics().drawImage(image, 0, 0, imageWidth, imageHeight, 0, 0, imageWidth, imageHeight, null); // height is calculated automatically if (thumbnailHeight == 0) thumbnailHeight = (int) ((double) thumbnailWidth / (double) imageWidth * (double) imageHeight); // width is calculated automatically if (thumbnailWidth == 0) thumbnailWidth = (int) ((double) thumbnailHeight / (double) imageHeight * (double) imageWidth); // create an empty thumbnail BufferedImage thumbnail = new BufferedImage(thumbnailWidth, thumbnailHeight, BufferedImage.TYPE_INT_RGB); Graphics2D gr = thumbnail.createGraphics(); gr.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); gr.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); // determine the piece of the image which we want to clip int clipX1, clipX2, clipY1, clipY2; if (imageWidth * thumbnailHeight > thumbnailWidth * imageHeight) { int clipWidth = (int) Math .round(((double) thumbnailWidth / (double) thumbnailHeight) * (double) imageHeight); int imgCenterX = imageWidth / 2; clipX1 = imgCenterX - clipWidth / 2; clipX2 = imgCenterX + clipWidth / 2; clipY1 = 0; clipY2 = imageHeight; } else { int clipHeight = (int) Math .round(((double) thumbnailHeight / (double) thumbnailWidth) * (double) imageWidth); int imgCenterY = imageHeight / 2; clipX1 = 0; clipX2 = imageWidth; clipY1 = imgCenterY - clipHeight / 2; clipY2 = imgCenterY + clipHeight / 2; } // we filter the image first to get better results when shrinking if (2 * thumbnailWidth < clipX2 - clipX1 || 2 * thumbnailHeight < clipY2 - clipY1) { int kernelDimX = (clipX2 - clipX1) / (thumbnailWidth); int kernelDimY = (clipY2 - clipY1) / (thumbnailHeight); if (kernelDimX % 2 == 0) kernelDimX++; if (kernelDimY % 2 == 0) kernelDimY++; if (kernelDimX < kernelDimY) kernelDimX = kernelDimY; if (kernelDimY < kernelDimX) kernelDimY = kernelDimX; float[] blurKernel = new float[kernelDimX * kernelDimY]; for (int i = 0; i < kernelDimX; i++) for (int j = 0; j < kernelDimY; j++) blurKernel[i * kernelDimX + j] = 1.0f / (float) (kernelDimX * kernelDimY); BufferedImageOp op = new ConvolveOp(new Kernel(kernelDimX, kernelDimY, blurKernel)); imageCopy = op.filter(imageCopy, null); } // draw the thumbnail gr.drawImage(imageCopy, 0, 0, thumbnailWidth, thumbnailHeight, clipX1, clipY1, clipX2, clipY2, null); // and we are done gr.dispose(); ImageIO.write(thumbnail, "png", thumbnailFile); // redirect to it response.sendRedirect(baseUrl + "/" + thumbnailFileName); }
From source file:com.github.cherimojava.orchidae.controller._PictureController.java
@Test public void getPicture() throws Exception { // verify no picture there mvc.perform(get(url("acd3131"))).andExpect(status().isNotFound()); // upload one picture createPicture("test", "jpeg"); // retrieve its id MvcResult result = getLatest(10).andReturn(); List<Picture> pictures = factory.readList(Picture.class, result.getResponse().getContentAsString()); assertEquals(pictures.size(), 1);/*from w w w . java2 s. co m*/ ByteArrayInputStream bais = new ByteArrayInputStream( mvc.perform(get(url(pictures.get(0).getId())).param("f", "o")).andExpect(status().isOk()) .andReturn().getResponse().getContentAsByteArray()); BufferedImage image = ImageIO.read(bais); assertEquals(42, image.getWidth()); assertEquals(42, image.getHeight()); }
From source file:cpcc.ros.services.RosImageConverterTest.java
@Test(dataProvider = "imageDataprovider") public void shouldConvertGenericImages(int height, int width, String encoding, String imageName) throws IOException { InputStream stream = RosImageConverterTest.class.getResourceAsStream(imageName); byte[] imageData = IOUtils.toByteArray(stream); when(buffer.array()).thenReturn(imageData); // when(buffer.hasArray()).thenReturn(true); when(message.getEncoding()).thenReturn(encoding); when(message.getHeight()).thenReturn(height); when(message.getWidth()).thenReturn(width); when(message.getData()).thenReturn(ChannelBuffers.copiedBuffer(ByteOrder.nativeOrder(), imageData)); BufferedImage result = conv.messageToBufferedImage(message); assertThat(result).isNotNull();/*from w w w . j a va 2s . com*/ assertThat(result.getHeight()).isEqualTo(height); assertThat(result.getWidth()).isEqualTo(width); ByteArrayOutputStream bos = new ByteArrayOutputStream(); ImageIO.write(result, encoding, bos); byte[] resultImageData = bos.toByteArray(); assertThat(resultImageData.length).isEqualTo(imageData.length); // assertThat(resultImageData).isEqualTo(imageData); }
From source file:com.github.cherimojava.orchidae.controller._PictureController.java
@Test public void getSmall() throws Exception { controller.maxHeight = 10;/*w w w . j av a2 s .com*/ // verify no picture there mvc.perform(get(url("acd3131"))).andExpect(status().isNotFound()); // upload one picture createPicture("test", "jpeg"); // retrieve its id MvcResult result = getLatest(10).andReturn(); List<Picture> pictures = factory.readList(Picture.class, result.getResponse().getContentAsString()); assertEquals(pictures.size(), 1); ByteArrayInputStream bais = new ByteArrayInputStream( mvc.perform(get(url(pictures.get(0).getId())).param("f", "s")).andExpect(status().isOk()) .andReturn().getResponse().getContentAsByteArray()); BufferedImage image = ImageIO.read(bais); assertEquals(10, image.getWidth()); assertEquals(10, image.getHeight()); }