List of usage examples for java.awt Graphics2D drawChars
public void drawChars(char[] data, int offset, int length, int x, int y)
From source file:com.liud.dailynote.ThumbnailatorTest.java
public void testYS7() throws IOException { String result = "src/main/resources/images/"; BufferedImage bi = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB); Graphics2D g = bi.createGraphics(); g.setColor(Color.LIGHT_GRAY); g.drawRect(0, 0, 10, 10);/*from www .j a v a 2 s. c o m*/ char[] data = "liudTest".toCharArray(); g.drawChars(data, 0, data.length, 5, 32); // watermark ? 1.? 2.? 3.? Thumbnails.of(result + "sijili.jpg").scale(1.0f).watermark(Positions.CENTER, bi, 1.0f) .toFile(result + "image_warter_liud.jpg"); }
From source file:business.model.CaptchaModel.java
/** * * @param CaptchaText/*from w w w . j a v a2 s. com*/ * @return */ public static BufferedImage CreateCaptchaImageOld(String CaptchaText) { BufferedImage localBufferedImage = new BufferedImage(width, height, 1); try { Graphics2D localGraphics2D = localBufferedImage.createGraphics(); // List<Font> fonts = FontFactory.getListFont(); List<Font> fonts = new ArrayList<Font>(); if (fonts.isEmpty()) { fonts.add(new Font("Nimbus Roman No9 L", 1, 30)); fonts.add(new Font("VN-NTime", 1, 30)); fonts.add(new Font("DT-Times", 1, 30)); fonts.add(new Font("Times New Roman", 1, 30)); fonts.add(new Font("Vni-Book123", 1, 30)); fonts.add(new Font("VNI-Centur", 1, 30)); fonts.add(new Font("DT-Brookly", 1, 30)); } // fonts.add(loadFont("BINHLBI.TTF")); RenderingHints localRenderingHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); localRenderingHints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); localGraphics2D.setRenderingHints(localRenderingHints); localGraphics2D.fillRect(0, 0, width, height); localGraphics2D.setColor(new Color(50, 50, 50)); Random localRandom = new Random(); int i = 0; int j = 0; for (int k = 0; k < CaptchaText.length(); k++) { i += 25 + Math.abs(localRandom.nextInt()) % 5; j = 25 + Math.abs(localRandom.nextInt()) % 20; int tmp = localRandom.nextInt(fonts.size() - 1); localGraphics2D.setFont(fonts.get(tmp)); localGraphics2D.drawChars(CaptchaText.toCharArray(), k, 1, i, j); } localBufferedImage = getDistortedImage(localBufferedImage); Graphics2D localGraphics2D2 = localBufferedImage.createGraphics(); localGraphics2D2.setRenderingHints(localRenderingHints); // localGraphics2D2.fillRect(0, 0, width, height); localGraphics2D2.setColor(new Color(50, 50, 50)); CubicCurve2D c = new CubicCurve2D.Double();// draw QuadCurve2D.Float with set coordinates for (int l = 0; l < 7; l++) { int x1 = Util.rand(0, width / 2); ; int x2 = Util.rand(width / 2, width); int y1 = Util.rand(0, height); int y2 = Util.rand(0, height); int ctrlx1 = (x1 + x2) / 4 * Util.rand(1, 3); int ctrly1 = y1; int ctrlx2 = (x1 + x2) / 4 * Util.rand(1, 3); int ctrly2 = y2; c.setCurve(x1, y1, ctrlx2, ctrly2, ctrlx1, ctrly1, x2, y2); localGraphics2D2.draw(c); // localGraphics2D2.drawLine(randomX1(), randomY1(), randomX2(), randomY2()); } localGraphics2D.dispose(); } catch (Exception e) { log.error(e.getMessage(), e); return null; } return localBufferedImage; }
From source file:com.rapidminer.gui.plotter.charts.DistributionPlotter.java
@Override public void updatePlotter() { JFreeChart chart = null;/*from w w w.j a v a 2 s . c om*/ Attribute attr = null; if (plotColumn != -1 && createFromModel) { attr = model.getTrainingHeader().getAttributes().get(model.getAttributeNames()[plotColumn]); } if (attr != null && attr.isNominal() && attr.getMapping().getValues().size() > MAX_NUMBER_OF_DIFFERENT_NOMINAL_VALUES) { // showing no chart because of too many different values chart = new JFreeChart(new Plot() { private static final long serialVersionUID = 1L; @Override public String getPlotType() { return "empty"; } @Override public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor, PlotState parentState, PlotRenderingInfo info) { String msg = I18N.getGUILabel("plotter_panel.too_many_nominals", "Distribution Plotter", DistributionPlotter.MAX_NUMBER_OF_DIFFERENT_NOMINAL_VALUES); g2.setColor(Color.BLACK); g2.setFont(g2.getFont().deriveFont(g2.getFont().getSize() * 1.35f)); g2.drawChars(msg.toCharArray(), 0, msg.length(), 50, (int) (area.getHeight() / 2 + 0.5d)); } }); AbstractChartPanel panel = getPlotterPanel(); // Chart Panel Settings if (panel == null) { panel = createPanel(chart); } else { panel.setChart(chart); } // ATTENTION: WITHOUT THIS WE GET SEVERE MEMORY LEAKS!!! panel.getChartRenderingInfo().setEntityCollection(null); } else { preparePlots(); if (!createFromModel && (groupColumn < 0 || plotColumn < 0)) { CategoryDataset dataset = new DefaultCategoryDataset(); chart = ChartFactory.createBarChart(null, // chart title "Not defined", // x axis label RANGE_AXIS_NAME, // y axis label dataset, // data PlotOrientation.VERTICAL, true, // include legend true, // tooltips false // urls ); } else { try { if (model.isDiscrete(translateToModelColumn(plotColumn))) { chart = createNominalChart(); } else { chart = createNumericalChart(); } } catch (Exception e) { // do nothing - just do not draw the chart } } if (chart != null) { chart.setBackgroundPaint(Color.white); // get a reference to the plot for further customization... Plot commonPlot = chart.getPlot(); commonPlot.setBackgroundPaint(Color.WHITE); if (commonPlot instanceof XYPlot) { XYPlot plot = (XYPlot) commonPlot; plot.setDomainGridlinePaint(Color.LIGHT_GRAY); plot.setRangeGridlinePaint(Color.LIGHT_GRAY); // domain axis if (dataTable != null) { if (dataTable.isDate(plotColumn) || dataTable.isDateTime(plotColumn)) { DateAxis domainAxis = new DateAxis(dataTable.getColumnName(plotColumn)); domainAxis.setTimeZone(com.rapidminer.tools.Tools.getPreferredTimeZone()); plot.setDomainAxis(domainAxis); } else { NumberAxis numberAxis = new NumberAxis(dataTable.getColumnName(plotColumn)); plot.setDomainAxis(numberAxis); } } plot.getDomainAxis().setLabelFont(LABEL_FONT_BOLD); plot.getDomainAxis().setTickLabelFont(LABEL_FONT); plot.getRangeAxis().setLabelFont(LABEL_FONT_BOLD); plot.getRangeAxis().setTickLabelFont(LABEL_FONT); // ranging if (dataTable != null) { Range range = getRangeForDimension(plotColumn); if (range != null) { plot.getDomainAxis().setRange(range, true, false); } range = getRangeForName(RANGE_AXIS_NAME); if (range != null) { plot.getRangeAxis().setRange(range, true, false); } } // rotate labels if (isLabelRotating()) { plot.getDomainAxis().setTickLabelsVisible(true); plot.getDomainAxis().setVerticalTickLabels(true); } } else if (commonPlot instanceof CategoryPlot) { CategoryPlot plot = (CategoryPlot) commonPlot; plot.setDomainGridlinePaint(Color.LIGHT_GRAY); plot.setRangeGridlinePaint(Color.LIGHT_GRAY); plot.getRangeAxis().setLabelFont(LABEL_FONT_BOLD); plot.getRangeAxis().setTickLabelFont(LABEL_FONT); plot.getDomainAxis().setLabelFont(LABEL_FONT_BOLD); plot.getDomainAxis().setTickLabelFont(LABEL_FONT); } // legend settings LegendTitle legend = chart.getLegend(); if (legend != null) { legend.setPosition(RectangleEdge.TOP); legend.setFrame(BlockBorder.NONE); legend.setHorizontalAlignment(HorizontalAlignment.LEFT); legend.setItemFont(LABEL_FONT); } AbstractChartPanel panel = getPlotterPanel(); // Chart Panel Settings if (panel == null) { panel = createPanel(chart); } else { panel.setChart(chart); } // ATTENTION: WITHOUT THIS WE GET SEVERE MEMORY LEAKS!!! panel.getChartRenderingInfo().setEntityCollection(null); } } }
From source file:com.flexoodb.common.FlexUtils.java
static public BufferedImage createCaptcha(String text, Color background, Color fontcolor, int fontsize, int width, int height, int x, int y) throws Exception { BufferedImage img = new BufferedImage(width + 10, height, BufferedImage.TYPE_INT_RGB); img.createGraphics();/*from www.j a va 2s . c om*/ Graphics2D g = (Graphics2D) img.getGraphics(); g.setColor(background); g.fillRect(0, 0, img.getWidth(), img.getHeight()); Font font = new Font("Monospaced", Font.BOLD + Font.ITALIC, fontsize); g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB); g.setFont(font); g.setColor(fontcolor); char[] c = text.toCharArray(); java.util.Random random = new java.util.Random(); for (int i = 0; i < c.length; i++) { int j = random.nextInt(9); if (j > 5) { j = j - 5; } else { j = -1 * (j - 2); } char[] c1 = new char[1]; c1[0] = c[i]; g.drawChars(c1, 0, 1, x + (i * 16), y + j); } for (int i = -10; i < 20; i++) { int j = random.nextInt(8); g.drawOval((i + j) - 20, ((i * 8) - (j > 3 ? 4 : -4)), width + 20, height); } //ImageIO.write(img,"png",new File(outputfile)); return img; }