public static void main(String[] args) throws Exception { BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB); Graphics2D g = image.createGraphics(); g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g.setPaint(Color.WHITE); g.fill(new Rectangle(image.getWidth(), image.getHeight())); g.scale(.9, .9); g.setPaint(Color.BLACK); g.setStroke(new BasicStroke(0.5f)); g.draw(new Ellipse2D.Double(25, 25, 150, 150)); // To visually check it // ImageIO.write(image, "PNG", new File(args[0])); boolean nonWhitePixelFound = false; for (int x = 100; x < 200; ++x) { if (image.getRGB(x, 90) != Color.WHITE.getRGB()) { nonWhitePixelFound = true; break; } } if (!nonWhitePixelFound) { throw new RuntimeException("A circle is rendered like a 'C' shape."); } }
// Bild mit Weiss fühlen public void fillWhite() { for (int y = 0; y < this.h; y++) { for (int x = 0; x < this.w; x++) { this.setRGB(x, y, Color.WHITE.getRGB()); } } }
/** * Donne le nom de fichier de la piéce * * @return Nom du fichier contenant la piéce */ @Override public String getFilename() { if (color.getRGB() == Color.WHITE.getRGB()) { return "7a.gif"; } else { return "0a.gif"; } }
// Bildfarben invertieren public void invert() { for (int y = 0; y < this.h; y++) { for (int x = 0; x < this.w; x++) { if (isActive(x, y)) this.setRGB(x, y, Color.WHITE.getRGB()); else this.setRGB(x, y, Color.BLACK.getRGB()); } } }
@Override public void setBackground(Color c) { if (txt_box == null) return; // WORKAROUND.OSX: OSX LookAndFeel calls setBackground during ctor of Mem_html; // DATE:2015-05-11 if (c.getRGB() == Color.BLACK.getRGB()) txt_box.setCaretColor(Color.WHITE); else if (c.getRGB() == Color.WHITE.getRGB()) txt_box.setCaretColor(Color.BLACK); super.setBackground(c); }
/** * Class to store mouse start location when dragging, and to deselect any selected components when * the mouse is pressed * * @author Alex Billingsley */ public class MseSelectListener extends MouseAdapter { private Point xy1; public static final Color DESELECT = new Color(Color.WHITE.getRGB()); public static final Color SELECT = new Color(Color.LIGHT_GRAY.getRGB()); /** Creates a new instance of MouseSelectionListener */ public MseSelectListener() {} public void mousePressed(MouseEvent e) { xy1 = new Point(e.getX(), e.getY()); JPanel layer = (JPanel) e.getComponent(); deSelect(layer); } public static void deSelect(JPanel layer) { Component[] components = layer.getComponents(); int i = 0; while (i < components.length) { if (components[i].getClass().getName().equals("javax.swing.JLabel")) { if (components[i].getBackground().equals(SELECT)) { JLabel temp = (JLabel) components[i]; temp.setOpaque(false); components[i].setBackground(DESELECT); } } if (components[i].getClass().getName().equals("Display.TextBox")) { if (components[i].getBackground().equals(SELECT)) { components[i].setBackground(DESELECT); } } // If panel is selected, de-select all components nested on panel if (components[i].getClass().getName().equals("javax.swing.JPanel")) { if (components[i].getBackground().equals(SELECT)) { components[i].setBackground(DESELECT); } deSelect((JPanel) components[i]); } i++; } } /** * Getter for property xy1. * * @return Value of property xy1. */ public Point getXy1() { return this.xy1; } }
private void assertBlank(RenderManager renderManagerInternal) { BufferedImage image = renderManagerInternal.getRenderExecutor().getContext().getImage(); for (int x = 0; x < image.getWidth(); x++) { for (int y = 0; y < image.getHeight(); y++) { if (image.getRGB(x, y) != Color.WHITE.getRGB()) { fail("Image is not blank when it should be"); // $NON-NLS-1$ } } } }
private static BufferedImage createAlphaBackground(int width, int height) { BufferedImage background = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); DataBufferInt dataBuffer = (DataBufferInt) background.getRaster().getDataBuffer(); int[] data = dataBuffer.getData(); int gray = Color.LIGHT_GRAY.getRGB(); int white = Color.WHITE.getRGB(); for (int i = 0; i < data.length; i++) { int x = i % width; int y = i / width; data[i] = ((x / 4) % 2 == (y / 4) % 2) ? gray : white; } return background; }
/** * Start the mosaic generation, called from GUI. * * @param image Image to apply mosaic to. * @param density Magnitude of density of points in distribution. * @param type Type of distribution, Random or Uniform. * @param pointsOnly Whether to show only distribution points. */ public void start(BufferedImage image, int density, String type, boolean pointsOnly) { // numPoints calculations are based on the idea of the fractional area // the fractional area is the theoretical area surrounding a uniform // distribution of points in the area of the image. The number represents // dividing the area of the image by the number of points distributed // in the area. By dividing area by the fractional area, you get the number // of points needed to achieve that density. fractional area ranges from // ~250 to 2500 double fractionalArea = 0; if (density >= 1 && density <= 5) { fractionalArea = 2500 - (FRAC_AREA_STEP * (density - 1)); } else { fractionalArea = DEFAULT_FRAC_AREA; } if (type.equalsIgnoreCase("RANDOM")) { // determine number of points as whole area / frac area int numPoints = (int) (image.getWidth() * image.getHeight() / fractionalArea); PlotTree tree = new RandomPlot(numPoints, image.getWidth(), image.getHeight()); tesselation = new Tesselation(image, tree); // in the case of the poisson disc distribution, we want to determine density // as the distance between points. this is approximated by taking the square root // of the fractionalArea, because that approximates the distance between points // in a hypothetical distribution. The full transformation is: // numPoints = sqrt(w*h)/sqrt(w*h/fracArea) // numPoints^2 = w*h/(w*h/fracArea) // numPoints^2 = fracArea // numPoints = sqrt(fracArea) } else if (type.equalsIgnoreCase("UNIFORM")) { int numPoints = (int) Math.sqrt(fractionalArea); PlotTree tree = new PoissonPlot(numPoints, image.getWidth(), image.getHeight()); tesselation = new Tesselation(image, tree); } tesselation.createDistribution(); // Apply the distribution data either as a mosaic or points if (pointsOnly) { tesselation.drawPoints(Color.WHITE.getRGB()); } else { tesselation.applyMosaic(); } // free up resources and reset for another run // cleanUp(); }
public void encode(String str, String path, int width, int height) { try { Map hints = new HashMap(); hints.put(EncodeHintType.MARGIN, 0); // hints.put(EncodeHintType.CHARACTER_SET, "UTF-8"); hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H); BitMatrix byteMatrix = new MultiFormatWriter().encode(str, BarcodeFormat.QR_CODE, width, height, hints); /** tianboalei 2015-1-22 去掉生成二维码时周围的白圈 */ // 1 int[] rec = byteMatrix.getEnclosingRectangle(); int resWidth = rec[2] + 1; int resHeight = rec[3] + 1; BitMatrix resMatrix = new BitMatrix(resWidth, resHeight); resMatrix.clear(); for (int i = 0; i < resWidth; i++) { for (int j = 0; j < resHeight; j++) { if (byteMatrix.get(i + rec[0], j + rec[1])) { resMatrix.set(i, j); } } } // 2 int widthT = resMatrix.getWidth(); int heightT = resMatrix.getHeight(); BufferedImage image = new BufferedImage(widthT, heightT, BufferedImage.TYPE_INT_ARGB); for (int x = 0; x < widthT; x++) { for (int y = 0; y < heightT; y++) { image.setRGB( x, y, resMatrix.get(x, y) == true ? Color.BLACK.getRGB() : Color.WHITE.getRGB()); } } /** 去掉二维码周围白圈结束 */ File file = new File(path); writeToFile(resMatrix, "png", file); } catch (Exception e) { e.printStackTrace(); } }
public static void renderTooltip( int x, int y, List<String> tooltipData, Color color, Color colorFade, FontRenderer fontRenderer) { TextureHelper.setActiveTextureToAtlasSprite(); boolean lighting = GL11.glGetBoolean(GL11.GL_LIGHTING); if (lighting) RenderHelper.disableStandardItemLighting(); if (!tooltipData.isEmpty()) { int esWidth = 0; for (String toolTip : tooltipData) { int width = fontRenderer.getStringWidth(toolTip); if (width > esWidth) esWidth = width; } int pX = x + 12; int pY = y - 12; int sumLineHeight = 8; if (tooltipData.size() > 1) sumLineHeight += 2 + (tooltipData.size() - 1) * 10; float z = 300F; drawGradientRect(pX - 3, pY - 4, z, pX + esWidth + 3, pY - 3, color, colorFade); drawGradientRect( pX - 3, pY + sumLineHeight + 3, z, pX + esWidth + 3, pY + sumLineHeight + 4, color, colorFade); drawGradientRect( pX - 3, pY - 3, z, pX + esWidth + 3, pY + sumLineHeight + 3, color, colorFade); drawGradientRect(pX - 4, pY - 3, z, pX - 3, pY + sumLineHeight + 3, color, colorFade); drawGradientRect( pX + esWidth + 3, pY - 3, z, pX + esWidth + 4, pY + sumLineHeight + 3, color, colorFade); int rgb = color.getRGB(); int col = (rgb & 0x00FFFFFF) | rgb & 0xFF000000; Color colOp = new Color(col); drawGradientRect(pX - 3, pY - 3 + 1, z, pX - 3 + 1, pY + sumLineHeight + 3 - 1, color, colOp); drawGradientRect( pX + esWidth + 2, pY - 3 + 1, z, pX + esWidth + 3, pY + sumLineHeight + 3 - 1, color, colOp); drawGradientRect(pX - 3, pY - 3, z, pX + esWidth + 3, pY - 3 + 1, colOp, colOp); drawGradientRect( pX - 3, pY + sumLineHeight + 2, z, pX + esWidth + 3, pY + sumLineHeight + 3, color, color); GL11.glDisable(GL11.GL_DEPTH_TEST); for (int i = 0; i < tooltipData.size(); ++i) { String var14 = tooltipData.get(i); fontRenderer.drawString(var14, pX, pY, Color.WHITE.getRGB()); if (i == 0) pY += 2; pY += 10; } GL11.glEnable(GL11.GL_DEPTH_TEST); } if (lighting) RenderHelper.enableStandardItemLighting(); GL11.glColor4f(1F, 1F, 1F, 1F); }
/** * Tests the {@link ImageWorker#makeColorTransparent} methods. Some trivial tests are performed * before. * * @throws IOException * @throws FileNotFoundException * @throws IllegalStateException */ @Test public void testMakeColorTransparent() throws IllegalStateException, FileNotFoundException, IOException { assertTrue("Assertions should be enabled.", ImageWorker.class.desiredAssertionStatus()); ImageWorker worker = new ImageWorker(sstImage); assertSame(sstImage, worker.getRenderedImage()); assertEquals(1, worker.getNumBands()); assertEquals(-1, worker.getTransparentPixel()); assertTrue(worker.isBytes()); assertFalse(worker.isBinary()); assertTrue(worker.isIndexed()); assertTrue(worker.isColorSpaceRGB()); assertFalse(worker.isColorSpaceGRAYScale()); assertFalse(worker.isTranslucent()); assertSame( "Expected no operation.", sstImage, worker.forceIndexColorModel(false).getRenderedImage()); assertSame( "Expected no operation.", sstImage, worker.forceIndexColorModel(true).getRenderedImage()); assertSame("Expected no operation.", sstImage, worker.forceColorSpaceRGB().getRenderedImage()); assertSame("Expected no operation.", sstImage, worker.retainFirstBand().getRenderedImage()); assertSame("Expected no operation.", sstImage, worker.retainLastBand().getRenderedImage()); // Following will change image, so we need to test after the above assertions. assertEquals(0, worker.getMinimums()[0], 0); assertEquals(255, worker.getMaximums()[0], 0); assertNotSame(sstImage, worker.getRenderedImage()); assertSame( "Expected same databuffer, i.e. pixels should not be duplicated.", sstImage.getTile(0, 0).getDataBuffer(), worker.getRenderedImage().getTile(0, 0).getDataBuffer()); assertSame(worker, worker.makeColorTransparent(Color.WHITE)); assertEquals(255, worker.getTransparentPixel()); assertFalse(worker.isTranslucent()); assertSame( "Expected same databuffer, i.e. pixels should not be duplicated.", sstImage.getTile(0, 0).getDataBuffer(), worker.getRenderedImage().getTile(0, 0).getDataBuffer()); // INDEX TO INDEX-ALPHA worker = new ImageWorker(chlImage).makeColorTransparent(Color.black); show(worker, "CHL01195.png"); assertEquals(1, worker.getNumBands()); assertEquals(0, worker.getTransparentPixel()); assertTrue(worker.isBytes()); assertTrue(worker.isIndexed()); assertTrue(worker.isColorSpaceRGB()); assertFalse(worker.isColorSpaceGRAYScale()); assertFalse(worker.isTranslucent()); RenderedImage image = worker.getRenderedImage(); assertTrue(image.getColorModel() instanceof IndexColorModel); IndexColorModel iColorModel = (IndexColorModel) image.getColorModel(); int transparentColor = iColorModel.getRGB(worker.getTransparentPixel()) & 0x00ffffff; assertTrue(transparentColor == 0); // INDEX TO INDEX-ALPHA worker = new ImageWorker(bathy).makeColorTransparent(Color.WHITE); show(worker, "BATHY.png"); assertEquals(1, worker.getNumBands()); assertEquals(206, worker.getTransparentPixel()); assertTrue(worker.isBytes()); assertTrue(worker.isIndexed()); assertTrue(worker.isColorSpaceRGB()); assertFalse(worker.isColorSpaceGRAYScale()); assertFalse(worker.isTranslucent()); image = worker.getRenderedImage(); assertTrue(image.getColorModel() instanceof IndexColorModel); iColorModel = (IndexColorModel) image.getColorModel(); transparentColor = iColorModel.getRGB(worker.getTransparentPixel()) & 0x00ffffff; assertTrue(transparentColor == (Color.WHITE.getRGB() & 0x00ffffff)); // RGB TO RGBA worker = new ImageWorker(smallWorld).makeColorTransparent(new Color(11, 10, 50)); show(worker, "small_world.png"); assertEquals(4, worker.getNumBands()); assertEquals(-1, worker.getTransparentPixel()); assertTrue(worker.isBytes()); assertFalse(worker.isIndexed()); assertTrue(worker.isColorSpaceRGB()); assertFalse(worker.isColorSpaceGRAYScale()); assertTrue(worker.isTranslucent()); image = worker.getRenderedImage(); assertTrue(image.getColorModel() instanceof ComponentColorModel); // RGBA to RGBA worker = new ImageWorker(worldImage).makeColorTransparent(Color.white); show(worker, "world.png"); assertEquals(4, worker.getNumBands()); assertEquals(-1, worker.getTransparentPixel()); assertTrue(worker.isBytes()); assertFalse(worker.isIndexed()); assertTrue(worker.isColorSpaceRGB()); assertFalse(worker.isColorSpaceGRAYScale()); assertTrue(worker.isTranslucent()); image = worker.getRenderedImage(); assertTrue(image.getColorModel() instanceof ComponentColorModel); // GRAY TO GRAY-ALPHA worker = new ImageWorker(gray).makeColorTransparent(Color.black); show(worker, "gray.png"); assertEquals(2, worker.getNumBands()); assertEquals(-1, worker.getTransparentPixel()); assertTrue(worker.isBytes()); assertFalse(worker.isIndexed()); assertFalse(worker.isColorSpaceRGB()); assertTrue(worker.isColorSpaceGRAYScale()); assertTrue(worker.isTranslucent()); image = worker.getRenderedImage(); assertTrue(image.getColorModel() instanceof ComponentColorModel); // GRAY-ALPHA TO GRAY-ALPHA. worker = new ImageWorker(grayAlpha).makeColorTransparent(Color.black); show(worker, "gray-alpha.png"); assertEquals(2, worker.getNumBands()); assertEquals(-1, worker.getTransparentPixel()); assertTrue(worker.isBytes()); assertFalse(worker.isIndexed()); assertFalse(worker.isColorSpaceRGB()); assertTrue(worker.isColorSpaceGRAYScale()); assertTrue(worker.isTranslucent()); image = worker.getRenderedImage(); assertTrue(image.getColorModel() instanceof ComponentColorModel); }
/** * A font in an Image Markup document that originates from a born-digital source, e.g. a * born-digital PDF document. * * @author sautter */ public class ImFont implements ImObject { /** the name of the attribute holding the font name */ public static final String NAME_ATTRIBUTE = "name"; /** the name of the attribute holding the font style */ public static final String STYLE_ATTRIBUTE = "style"; /** the name of the attribute holding character IDs */ public static final String CHARACTER_ID_ATTRIBUTE = "charId"; /** the name of the attribute holding character strings */ public static final String CHARACTER_STRING_ATTRIBUTE = "charString"; /** the name of the attribute holding character images */ public static final String CHARACTER_IMAGE_ATTRIBUTE = "charImage"; /** the name of the attribute indicating if the font is serif or sans-serif */ public static final String SERIF_ATTRIBUTE = "serif"; /** * the name of the attribute to a word storing the font specific char codes the word was composed * from */ public static final String CHARACTER_CODE_STRING_ATTRIBUTE = "fontCharCodes"; private ImDocument doc; /** the name of the font */ public final String name; private boolean bold; private boolean italics; private boolean serif; private TreeMap characters = new TreeMap(); /** * Constructor * * @param doc the Image Markup document the font belongs to * @param name the font name */ public ImFont(ImDocument doc, String name) { this(doc, name, false, false, true); } /** * Constructor * * @param doc the Image Markup document the font belongs to * @param name the font name * @param bold is the font bold? * @param italics is the font in italics? * @param serif is the font serif or sans-serif? */ public ImFont(ImDocument doc, String name, boolean bold, boolean italics, boolean serif) { this.doc = doc; this.name = name; this.bold = bold; this.italics = italics; this.serif = serif; } /* (non-Javadoc) * @see de.uka.ipd.idaho.gamta.Attributed#setAttribute(java.lang.String) */ public void setAttribute(String name) { if (BOLD_ATTRIBUTE.equals(name)) this.setBold(true); else if (ITALICS_ATTRIBUTE.equals(name)) this.setItalics(true); else if (SERIF_ATTRIBUTE.equals(name)) this.setSerif(true); } /* (non-Javadoc) * @see de.uka.ipd.idaho.gamta.Attributed#setAttribute(java.lang.String, java.lang.Object) */ public Object setAttribute(String name, Object value) { if (BOLD_ATTRIBUTE.equals(name)) { boolean wasBold = this.isBold(); this.setBold(value != null); return new Boolean(wasBold); } else if (ITALICS_ATTRIBUTE.equals(name)) { boolean wasItalics = this.isItalics(); this.setItalics(value != null); return new Boolean(wasItalics); } else if (SERIF_ATTRIBUTE.equals(name)) { boolean wasSerif = this.isSerif(); this.setSerif(value != null); return new Boolean(wasSerif); } else if (name.startsWith(CHARACTER_STRING_ATTRIBUTE + "-") && (value instanceof String)) { int charId = Integer.parseInt(name.substring((CHARACTER_STRING_ATTRIBUTE + "-").length())); String oCharStr = this.getString(charId); this.addCharacter(charId, ((String) value), ((BufferedImage) null)); return oCharStr; } else if (name.startsWith(CHARACTER_IMAGE_ATTRIBUTE + "-") && (value instanceof BufferedImage)) { int charId = Integer.parseInt(name.substring((CHARACTER_IMAGE_ATTRIBUTE + "-").length())); BufferedImage oCharImage = this.getImage(charId); this.addCharacter(charId, null, ((BufferedImage) value)); return oCharImage; } else return null; } /* (non-Javadoc) * @see de.uka.ipd.idaho.gamta.Attributed#copyAttributes(de.uka.ipd.idaho.gamta.Attributed) */ public void copyAttributes(Attributed source) { /* we're not doing this here, as attributes are only to allow for generic undo management */ } /* (non-Javadoc) * @see de.uka.ipd.idaho.gamta.Attributed#getAttribute(java.lang.String) */ public Object getAttribute(String name) { return this.getAttribute(name, null); } /* (non-Javadoc) * @see de.uka.ipd.idaho.gamta.Attributed#getAttribute(java.lang.String, java.lang.Object) */ public Object getAttribute(String name, Object def) { if (BOLD_ATTRIBUTE.equals(name)) return new Boolean(this.isBold()); else if (ITALICS_ATTRIBUTE.equals(name)) return new Boolean(this.isItalics()); else if (SERIF_ATTRIBUTE.equals(name)) return new Boolean(this.isSerif()); else if (name.startsWith(CHARACTER_STRING_ATTRIBUTE + "-")) { int charId = Integer.parseInt(name.substring((CHARACTER_STRING_ATTRIBUTE + "-").length())); return this.getString(charId); } else if (name.startsWith(CHARACTER_IMAGE_ATTRIBUTE + "-")) { int charId = Integer.parseInt(name.substring((CHARACTER_IMAGE_ATTRIBUTE + "-").length())); return this.getImage(charId); } else return def; } /* (non-Javadoc) * @see de.uka.ipd.idaho.gamta.Attributed#hasAttribute(java.lang.String) */ public boolean hasAttribute(String name) { return (BOLD_ATTRIBUTE.equals(name) || ITALICS_ATTRIBUTE.equals(name) || SERIF_ATTRIBUTE.equals(name)); } /* (non-Javadoc) * @see de.uka.ipd.idaho.gamta.Attributed#getAttributeNames() */ public String[] getAttributeNames() { String[] ans = {BOLD_ATTRIBUTE, ITALICS_ATTRIBUTE, SERIF_ATTRIBUTE}; return ans; } /* (non-Javadoc) * @see de.uka.ipd.idaho.gamta.Attributed#removeAttribute(java.lang.String) */ public Object removeAttribute(String name) { if (BOLD_ATTRIBUTE.equals(name)) { boolean wasBold = this.isBold(); this.setBold(false); return new Boolean(wasBold); } else if (ITALICS_ATTRIBUTE.equals(name)) { boolean wasItalics = this.isItalics(); this.setItalics(false); return new Boolean(wasItalics); } else if (SERIF_ATTRIBUTE.equals(name)) { boolean wasSerif = this.isSerif(); this.setSerif(false); return new Boolean(wasSerif); } else return null; } /* (non-Javadoc) * @see de.uka.ipd.idaho.gamta.Attributed#clearAttributes() */ public void clearAttributes() { /* we're not doing this here, as attributes are only to allow for generic undo management */ } /* (non-Javadoc) * @see de.uka.ipd.idaho.im.ImObject#getType() */ public String getType() { return "font"; } /* (non-Javadoc) * @see de.uka.ipd.idaho.im.ImObject#setType(java.lang.String) */ public void setType(String type) {} /* (non-Javadoc) * @see de.uka.ipd.idaho.im.ImObject#getDocument() */ public ImDocument getDocument() { return this.doc; } /* (non-Javadoc) * @see de.uka.ipd.idaho.im.ImObject#getDocumentProperty(java.lang.String) */ public String getDocumentProperty(String propertyName) { return this.doc.getDocumentProperty(propertyName); } /* (non-Javadoc) * @see de.uka.ipd.idaho.im.ImObject#getDocumentProperty(java.lang.String, java.lang.String) */ public String getDocumentProperty(String propertyName, String defaultValue) { return this.doc.getDocumentProperty(propertyName, defaultValue); } /* (non-Javadoc) * @see de.uka.ipd.idaho.im.ImObject#getDocumentPropertyNames() */ public String[] getDocumentPropertyNames() { return this.doc.getDocumentPropertyNames(); } /** * Test whether or not the font is bold. * * @return true if the font is bold, false otherwise */ public boolean isBold() { return this.bold; } /** * Mark the font as bold or non-bold. * * @param bold is the font bold? */ public void setBold(boolean bold) { if (this.bold == bold) return; this.bold = bold; this.doc.notifyAttributeChanged(this, BOLD_ATTRIBUTE, (this.bold ? null : "true")); } /** * Test whether or not the font is in italics. * * @return true if the font is in italics, false otherwise */ public boolean isItalics() { return this.italics; } /** * Mark the font as italics or non-italics. * * @param italics is the font in italics? */ public void setItalics(boolean italics) { if (this.italics == italics) return; this.italics = italics; this.doc.notifyAttributeChanged(this, ITALICS_ATTRIBUTE, (this.italics ? null : "true")); } /** * Test whether the font is serif or sans-serif. * * @return true if the font is serif, false otherwise */ public boolean isSerif() { return this.serif; } /** * Mark the font as serif or sans-serif. * * @param serif is the font serif? */ public void setSerif(boolean serif) { if (this.serif == serif) return; this.serif = serif; this.doc.notifyAttributeChanged(this, SERIF_ATTRIBUTE, (this.serif ? null : "true")); } /** * Retrieve the number of characters in the font. * * @return the number of characters */ public int getCharacterCount() { return this.characters.size(); } /** * Add a character to the font. The character string is supposed to hold a Unicode representation * of the character, preferably one consisting of individual letters, digits, symbols, or * punctuation marks, rather than ligature characters or the like. The returned boolean indicates * if the font was modified, i.e., if a character was added or modified as a result of the call to * this method. * * @param charId the font-local ID of the character * @param charStr the Unicode representation of the character * @return true if the font was modified, false otherwise */ public boolean addCharacter(int charId, String charStr) { return this.addCharacter(charId, charStr, ((BufferedImage) null)); } /** * Add a character to the font. The character string is supposed to hold a Unicode representation * of the character, preferably one consisting of individual letters, digits, symbols, or * punctuation marks, rather than ligature characters or the like. The argument character image is * the glyph corresponding to the character in the source document, if any is explicitly given * there; it allows for users to double-check and modify the transcription of glyphs to Unicode * characters. The character image string is parsed as a hex encoding of a 32 pixel high * black-and-white bitmap. The returned boolean indicates if the font was modified, i.e., if a * character was added or modified as a result of the call to this method. * * @param charId the font-local ID of the character * @param charStr the Unicode representation of the character * @param charImageHex the character image as extracted from the source * @return true if the font was modified, false otherwise */ public boolean addCharacter(int charId, String charStr, String charImageHex) { return this.addCharacter(charId, charStr, decodeCharacterImage(charImageHex)); } /** * Add a character to the font. The character string is supposed to hold a Unicode representation * of the character, preferably one consisting of individual letters, digits, symbols, or * punctuation marks, rather than ligature characters or the like. The argument character image is * the glyph corresponding to the character in the source document, if any is explicitly given * there; it allows for users to double-check and modify the transcription of glyphs to Unicode * characters. The character image should be a black-and-white bitmap, 32 pixels high, with width * allowed to adjust proportionally in accordance to the glyph dimensions. The returned boolean * indicates if the font was modified, i.e., if a character was added or modified as a result of * the call to this method. * * @param charId the font-local ID of the character * @param charStr the Unicode representation of the character * @param charImage the character image as extracted from the source * @return true if the font was modified, false otherwise */ public boolean addCharacter(int charId, String charStr, BufferedImage charImage) { ImCharacter chr = ((ImCharacter) this.characters.get(new Integer(charId))); if (chr == null) { chr = new ImCharacter(charId, charStr, charImage); this.characters.put(new Integer(chr.id), chr); return true; } boolean modified = false; if ((charStr != null) && !charStr.equals(chr.str)) { modified = true; String oCharStr = chr.str; chr.str = charStr; this.doc.notifyAttributeChanged(this, (CHARACTER_STRING_ATTRIBUTE + "-" + charId), oCharStr); } if ((charImage != null) && !characterImagesEqual(charImage, chr.image)) { modified = true; BufferedImage oCharImage = chr.image; chr.image = charImage; this.doc.notifyAttributeChanged(this, (CHARACTER_IMAGE_ATTRIBUTE + "-" + charId), oCharImage); } return modified; } /** * Retrieve the Unicode string representing a character. * * @param charId the font-local ID of the character * @return the Unicode string of the character with the argument ID */ public String getString(int charId) { ImCharacter chr = ((ImCharacter) this.characters.get(new Integer(charId))); return ((chr == null) ? null : chr.str); } /** * Retrieve the glyph image for a character. * * @param charId the font-local ID of the character * @return the glyph image of the character with the argument ID */ public BufferedImage getImage(int charId) { ImCharacter chr = ((ImCharacter) this.characters.get(new Integer(charId))); return ((chr == null) ? null : chr.image); } /** * Retrieve the hex representation of the glyph image for a character. * * @param charId the font-local ID of the character * @return the hex representation glyph image of the character with the argument ID */ public String getImageHex(int charId) { ImCharacter chr = ((ImCharacter) this.characters.get(new Integer(charId))); return ((chr == null) ? null : encodeCharacterImage(chr.image)); } /** * Retrieve the IDs of all characters belonging to the font. * * @return an array holding the character IDs */ public int[] getCharacterIDs() { int[] charIDs = new int[this.characters.size()]; int charIdIndex = 0; for (Iterator cidit = this.characters.keySet().iterator(); cidit.hasNext(); ) charIDs[charIdIndex++] = ((Integer) cidit.next()).intValue(); return charIDs; } private static class ImCharacter { int id; String str; BufferedImage image; ImCharacter(int id, String str, BufferedImage image) { this.id = id; this.str = str; this.image = image; } } private static final int whiteRgb = Color.WHITE.getRGB(); private static final int blackRgb = Color.BLACK.getRGB(); private static BufferedImage decodeCharacterImage(String charImageHex) { if (charImageHex == null) return null; int charImageWidth = (charImageHex.length() / 8); if (charImageWidth == 0) return null; BufferedImage charImage = new BufferedImage(charImageWidth, 32, BufferedImage.TYPE_BYTE_BINARY); int x = 0; int y = 0; int hex; int hexMask; for (int h = 0; h < charImageHex.length(); h++) { hex = Integer.parseInt(charImageHex.substring(h, (h + 1)), 16); hexMask = 8; while (hexMask != 0) { charImage.setRGB(x++, y, (((hex & hexMask) == 0) ? whiteRgb : blackRgb)); hexMask >>= 1; if (x == charImageWidth) { x = 0; y++; } } } return charImage; } private static String encodeCharacterImage(BufferedImage charImage) { if (charImage == null) return null; int hex = 0; int hexBits = 0; StringBuffer charImageHex = new StringBuffer(); for (int y = 0; y < charImage.getHeight(); y++) for (int x = 0; x < charImage.getWidth(); x++) { if (charImage.getRGB(x, y) != whiteRgb) hex += 1; if (hexBits == 3) { charImageHex.append(Integer.toString(hex, 16).toUpperCase()); hex = 0; hexBits = 0; } else { hex <<= 1; hexBits++; } } return charImageHex.toString(); } private static boolean characterImagesEqual(BufferedImage ci1, BufferedImage ci2) { if (ci1 == ci2) return true; if ((ci1 == null) || (ci2 == null)) return false; if ((ci1.getWidth() != ci2.getWidth()) || (ci1.getHeight() != ci2.getHeight())) return false; for (int x = 0; x < ci1.getWidth(); x++) for (int y = 0; y < ci1.getHeight(); y++) { if (ci1.getRGB(x, y) != ci2.getRGB(x, y)) return false; } return true; } /** * Scale a character image to 32 pixels high and proportional width. If the argument image already * is 32 pixels in height, it is simply returned. In any case, the type of the returned image is * the same as that of the argument image. * * @param charImage the character image to scale * @return the scaled character image */ public static BufferedImage scaleCharImage(BufferedImage charImage) { if ((charImage == null) || (charImage.getHeight() == 32)) return charImage; BufferedImage sCharImage = new BufferedImage( Math.max(1, ((charImage.getWidth() * 32) / charImage.getHeight())), 32, charImage.getType()); Graphics2D sCiGr = sCharImage.createGraphics(); sCiGr.setColor(Color.WHITE); sCiGr.fillRect(0, 0, sCharImage.getWidth(), sCharImage.getHeight()); sCiGr.scale((32.0 / charImage.getHeight()), (32.0 / charImage.getHeight())); sCiGr.drawImage(charImage, 0, 0, null); sCiGr.dispose(); // JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(charImage)), ("Scaled " + // charImage.getWidth() + "x" + charImage.getHeight() + " to " + sCharImage.getWidth() + "x" + // sCharImage.getHeight()), JOptionPane.PLAIN_MESSAGE, new ImageIcon(sCharImage)); return sCharImage; } }
/** * Overrides the Runnable run method. Checks an image to see if it contains a Sign Language letter * and identifies the letter if true. */ @Override public void run() { Random r = new Random(); int currentResult = this.result; while (true) { /* * This is the normal sleep that relaxes the CPU a bit and * lets other threads run fluently. */ try { Thread.sleep(100); } catch (InterruptedException ex) { ex.printStackTrace(); } while (this.algorithmRunning) { if (this.capturedImageChanged) { synchronized (this.lockObject) { this.capturedImageChanged = false; } /* * This is where the Algorithm method will be called (possibly other classes involded). * For now, instead a simple sleep will be called as simulation. * * try { * Thread.sleep(5000); * } catch (InterruptedException ex) { * ex.printStackTrace(); * } */ /* * Let's see. * Processing and information aquiring part. */ if (this.siblingEye == null) { continue; } BufferedImage capturedIm = this.siblingEye.getImage(); // System.out.format("Brain: capIm's with is %d and height is %d\n", // capturedIm.getWidth(), capturedIm.getHeight()); if (capturedIm == null) { continue; } double ar = (double) (EyeWebcam.HAND_CUT_X2 - EyeWebcam.HAND_CUT_X1) / (EyeWebcam.HAND_CUT_Y2 - EyeWebcam.HAND_CUT_Y1); // System.out.format("Brain: aspect ratio = %.2f\n", ar); int camImWidth, camImHeight; int cutX1 = EyeWebcam.HAND_CUT_X1; int cutX2 = EyeWebcam.HAND_CUT_X2; int cutY1 = EyeWebcam.HAND_CUT_Y1; int cutY2 = EyeWebcam.HAND_CUT_Y2; if (ar < DBImage.DB_IMAGE_ASPECT_RATIO) { camImWidth = (int) Math.round(DBImage.DB_IMAGE_HEIGHT * ar); camImHeight = DBImage.DB_IMAGE_HEIGHT; double cutHeight = (EyeWebcam.HAND_CUT_Y2 - EyeWebcam.HAND_CUT_Y1 - (EyeWebcam.HAND_CUT_X2 - EyeWebcam.HAND_CUT_X1) / DBImage.DB_IMAGE_ASPECT_RATIO) / 2; cutY1 = (int) (EyeWebcam.HAND_CUT_Y1 + cutHeight); cutY2 = (int) (EyeWebcam.HAND_CUT_Y2 - cutHeight); } else { camImWidth = DBImage.DB_IMAGE_WIDTH; camImHeight = (int) Math.round(DBImage.DB_IMAGE_WIDTH / ar); double cutWidth = (EyeWebcam.HAND_CUT_X2 - EyeWebcam.HAND_CUT_X1 - (EyeWebcam.HAND_CUT_Y2 - EyeWebcam.HAND_CUT_Y1) * DBImage.DB_IMAGE_ASPECT_RATIO) / 2; cutX1 = (int) (EyeWebcam.HAND_CUT_X1 + cutWidth); cutX2 = (int) (EyeWebcam.HAND_CUT_X2 - cutWidth); } // System.out.format("Brain: camImWidth = %d, camImHeight = %d\n", camImWidth, // camImHeight); // System.out.format("Brain: cutX2 = %d, cutX1 = %d, cutY2 = %d, cutY1 = %d\n", cutX2, // cutX1, cutY2, cutY1); // System.out.format("Brain: cutX2 - cutX1 / cutY2 - cutY1 = %.3f\n", (double) (cutX2 - // cutX1) / (cutY2 - cutY1)); int[][] cutResizedGrayIntIm = ImageAlgorithms.buffIm2CutGrayResizedIntIm( capturedIm, cutX1, cutY1, cutX2, cutY2, DBImage.DB_IMAGE_WIDTH, DBImage.DB_IMAGE_HEIGHT); if (cutResizedGrayIntIm == null) { continue; } GrayImageAndHistogram contourIntImAndHistogram = ImageAlgorithms.grayIntIm2ContourImAndHistogram( cutResizedGrayIntIm, DBImage.CONTOUR_POWER); int[][] contourIntIm = contourIntImAndHistogram.getGrayImage(); int[] histogram = contourIntImAndHistogram.getHistogram(); int threshold = ImageAlgorithms.computeNecessaryThreshold( DBImage.WHITE_PROPORTION, histogram, camImWidth * camImHeight); // System.out.format("Brain: threshold = %d\n", threshold); boolean[][] camBoolIm = ImageAlgorithms.grayIntIm2BoolIm(contourIntIm, threshold); this.processedImage = ImageAlgorithms.boolIm2BuffIm(camBoolIm, Color.BLACK.getRGB(), Color.WHITE.getRGB()); Shape greatestShape = ImageAlgorithms.findGreatestShape(camBoolIm); // System.out.format("Brain: greatestShape's area is %d\n", greatestShape.getArea()); Point2D leftMostPoint = greatestShape.getLeftMostPoint(); Point2D rightMostPoint = greatestShape.getRightMostPoint(); Point2D bottomMostPoint = greatestShape.getBottomMostPoint(); Point2D topMostPoint = greatestShape.getTopMostPoint(); Shape leftShape = ImageAlgorithms.reduceShapeHVAreaLimit( greatestShape, leftMostPoint, DBImage.HV_THINNESS, true, DBImage.HV_AREA_LIMIT); Shape rightShape = ImageAlgorithms.reduceShapeHVAreaLimit( greatestShape, rightMostPoint, DBImage.HV_THINNESS, true, DBImage.HV_AREA_LIMIT); Shape topShape = ImageAlgorithms.reduceShapeHVAreaLimit( greatestShape, topMostPoint, DBImage.HV_THINNESS, false, DBImage.HV_AREA_LIMIT); Shape bottomShape = ImageAlgorithms.reduceShapeHVAreaLimit( greatestShape, bottomMostPoint, DBImage.HV_THINNESS, false, DBImage.HV_AREA_LIMIT); int camLeftShapeCenter = leftShape.getCenter().getX(); int camTopShapeCenter = topShape.getCenter().getY(); int camShapeWidth = rightShape.getCenter().getX() - camLeftShapeCenter; int camShapeHeight = bottomShape.getCenter().getY() - camTopShapeCenter; // System.out.format("Brain: camLeftShapeCenter = %d, camTopShapeCenter = %d, // camShapeWidth = %d, camShapeHeight = %d\n", camLeftShapeCenter, camTopShapeCenter, // camShapeWidth, camShapeHeight); /* Comparison part. * Similar to that sucky algorithm Iulia showed me. * (The algorithm is sucky not Iulia) * BTW talkin'bout Iulia M., not Iulia P. cause Iulia P. _is_ forsure. */ Vector<Letter> letters = this.parentModel.getLetters(); if (letters == null) { continue; } // System.out.format("Brain: got %d letters.\n", letters.size()); Iterator<Letter> itlt = letters.iterator(); int letterIndex = 0; double maxMatchedDouble = 0.0; int maxMatchedIndex = 0; while (itlt.hasNext()) { Letter letter = itlt.next(); Vector<DBImage> dbIms = letter.getDBImages(); // System.out.format("Brain: got %d images for letter %d.\n", dbIms.size(), // letterIndex); if (dbIms == null) { continue; } Iterator<DBImage> itim = dbIms.iterator(); int imIndex = 0; int nMatched = 0; while (itim.hasNext()) { DBImage dbIm = itim.next(); boolean[][] dbBoolIm = dbIm.getRaster(); // System.out.format("dbBoolIm's width and heigth is %d and %d\n", dbBoolIm[0].length, // dbBoolIm.length); int dbLeftShapeCenter = dbIm.getLeftShapeCenter(); int dbTopShapeCenter = dbIm.getTopShapeCenter(); int dbShapeWidth = dbIm.getShapeWidth(); int dbShapeHeight = dbIm.getShapeHeight(); // System.out.format("Brain: dbLeftShapeCenter = %d, dbTopShapeCenter = %d, // dbShapeWidth = %d, dbShapeHeight = %d\n", dbLeftShapeCenter, dbTopShapeCenter, // dbShapeWidth, dbShapeHeight); boolean[][] transZoomedBoolIm = ImageAlgorithms.transZoomBoolIm( camBoolIm, dbLeftShapeCenter - camLeftShapeCenter, dbTopShapeCenter - camTopShapeCenter, (double) dbShapeWidth / camShapeWidth, (double) dbShapeHeight / camShapeHeight, camLeftShapeCenter, camTopShapeCenter); // this.processedImage = ImageAlgorithms.boolIm2BuffIm(transZoomedBoolIm, // Color.BLACK.getRGB(), Color.BLUE.brighter().getRGB()); // System.out.format("transZoomedBoolIm's width and heigth is %d and %d\n", // transZoomedBoolIm[0].length, transZoomedBoolIm.length); double match = ImageAlgorithms.compareTwoBoolIms(camBoolIm, dbBoolIm); // double match = ImageAlgorithms.compareTwoBoolIms(transZoomedBoolIm, dbBoolIm); // System.out.format("matching with letter %d, %d. image gives %.3f\n", letterIndex, // imIndex, match); if (match >= Brain.MINIMUM_RATE_NEEDED_TO_MATCH) { nMatched++; } imIndex++; } double nMatchedDouble = (double) nMatched / dbIms.size(); if (nMatchedDouble > maxMatchedDouble) { maxMatchedDouble = nMatchedDouble; maxMatchedIndex = letterIndex + 1; } letterIndex++; } System.out.format( "Brain: compared with %d letters, maxMatchedDouble = %.3f, maxMatchedIndex = %d.\n", letterIndex, maxMatchedDouble, maxMatchedIndex); /* Evaluating the comparison. */ if (maxMatchedDouble > Brain.MINIMUM_PROPORTION_OF_IMAGES_NEEDED_TO_MATCH) { currentResult = maxMatchedIndex; } else { currentResult = -1; } /* For testing: */ // currentResult = 1 + r.nextInt(4); } if (currentResult != this.result) { this.result = currentResult; System.out.format("Brain: new result = %d\n", result); this.parentModel.setBrainResultChanged(); } } } }
// Zeichent ein Weisses Punkt public void deactivate(int x, int y) { this.setRGB(x, y, Color.WHITE.getRGB()); }
// prueft ob ein Punkt aktiv(schwarz) ist (mit int als Parameter) public boolean isActive(int x, int y) { if (x < 0 || y < 0 || x >= this.w || y >= this.h) return false; if (this.getRGB(x, y) == Color.WHITE.getRGB()) return false; else return true; }