List of usage examples for java.awt Graphics2D dispose
public abstract void dispose();
From source file:gdt.jgui.entity.webset.JWeblinkEditor.java
/** * Get the context locator./* w w w. ja va 2 s . co m*/ * @return the context locator. */ @Override public String getLocator() { try { Properties locator = new Properties(); locator.setProperty(BaseHandler.HANDLER_CLASS, getClass().getName()); locator.setProperty(BaseHandler.HANDLER_SCOPE, JConsoleHandler.CONSOLE_SCOPE); locator.setProperty(JContext.CONTEXT_TYPE, getType()); locator.setProperty(Locator.LOCATOR_TITLE, getTitle()); if (entityLabel$ != null) { locator.setProperty(EntityHandler.ENTITY_LABEL, entityLabel$); } if (entityKey$ != null) locator.setProperty(EntityHandler.ENTITY_KEY, entityKey$); if (entihome$ != null) locator.setProperty(Entigrator.ENTIHOME, entihome$); if (webLinkKey$ != null) locator.setProperty(JWeblinksPanel.WEB_LINK_KEY, webLinkKey$); String icon$ = null; try { Icon icon = iconIcon.getIcon(); int type = BufferedImage.TYPE_INT_RGB; BufferedImage out = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), type); Graphics2D g2 = out.createGraphics(); icon.paintIcon(new JPanel(), out.getGraphics(), 0, 0); g2.dispose(); ByteArrayOutputStream b = new ByteArrayOutputStream(); ImageIO.write(out, "png", b); b.close(); byte[] ba = b.toByteArray(); icon$ = Base64.encodeBase64String(ba); } catch (Exception ee) { } if (icon$ == null) icon$ = Support.readHandlerIcon(null, JEntitiesPanel.class, "edit.png"); locator.setProperty(Locator.LOCATOR_ICON, icon$); return Locator.toString(locator); } catch (Exception e) { Logger.getLogger(getClass().getName()).severe(e.toString()); return null; } }
From source file:edu.ku.brc.specify.tools.FormDisplayer.java
/** * Generates an Image for the View./*from w w w .jav a 2 s . com*/ */ protected void generateViewImage(final ViewIFace view) { Rectangle rect = frame.getContentPane().getBounds(); if (rect.width == 0 || rect.height == 0) { return; } BufferedImage bufImage = new BufferedImage(rect.width, rect.height, (doPNG ? BufferedImage.TYPE_INT_ARGB : BufferedImage.TYPE_INT_RGB)); Graphics2D g2 = bufImage.createGraphics(); if (!doPNG) { g2.setColor(Color.WHITE); g2.fillRect(0, 0, rect.width, rect.height); } g2.setRenderingHints(ERDVisualizer.createTextRenderingHints()); frame.getContentPane().paint(g2); g2.dispose(); String baseFileName = outputDir.getAbsoluteFile() + "/" + view.getName() + "_" + viewInx; //$NON-NLS-1$ //$NON-NLS-2$ File imgFile = new File(baseFileName + (doPNG ? ".png" : ".jpg")); //$NON-NLS-1$ //$NON-NLS-2$ System.out.println(imgFile.getAbsolutePath()); try { ImageIO.write(bufImage, "PNG", imgFile); //$NON-NLS-1$ entries.add(new Pair<String, File>(view.getName(), imgFile)); } catch (Exception ex) { edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount(); edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(FormDisplayer.class, ex); ex.printStackTrace(); } }
From source file:au.org.ala.biocache.web.MapController.java
@RequestMapping(value = "/occurrences/legend", method = RequestMethod.GET) public void pointLegendImage( @RequestParam(value = "colourby", required = false, defaultValue = "0") Integer colourby, @RequestParam(value = "width", required = false, defaultValue = "50") Integer widthObj, @RequestParam(value = "height", required = false, defaultValue = "50") Integer heightObj, HttpServletResponse response) {/*from w w w .j a v a2 s . c o m*/ try { int width = widthObj.intValue(); int height = heightObj.intValue(); BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); Graphics2D g = (Graphics2D) img.getGraphics(); if (colourby != null) { int colour = 0xFF000000 | colourby.intValue(); Color c = new Color(colour); g.setPaint(c); } else { g.setPaint(Color.blue); } g.fillOval(0, 0, width, width); g.dispose(); response.setContentType("image/png"); ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); ImageIO.write(img, "png", outputStream); ServletOutputStream outStream = response.getOutputStream(); outStream.write(outputStream.toByteArray()); outStream.flush(); outStream.close(); } catch (Exception e) { logger.error("Unable to write image", e); } }
From source file:edu.ku.brc.ui.dnd.SimpleGlassPane.java
@Override protected void paintComponent(Graphics graphics) { Graphics2D g = (Graphics2D) graphics; Rectangle rect = getInternalBounds(); int width = rect.width; int height = rect.height; if (useBGImage) { // Create a translucent intermediate image in which we can perform // the soft clipping GraphicsConfiguration gc = g.getDeviceConfiguration(); if (img == null || img.getWidth() != width || img.getHeight() != height) { img = gc.createCompatibleImage(width, height, Transparency.TRANSLUCENT); }/*from w ww . j a v a 2s . c o m*/ Graphics2D g2 = img.createGraphics(); // Clear the image so all pixels have zero alpha g2.setComposite(AlphaComposite.Clear); g2.fillRect(0, 0, width, height); g2.setComposite(AlphaComposite.Src); g2.setColor(new Color(0, 0, 0, 85)); g2.fillRect(0, 0, width, height); if (delegateRenderer != null) { delegateRenderer.render(g, g2, img); } g2.dispose(); // Copy our intermediate image to the screen g.drawImage(img, rect.x, rect.y, null); } super.paintComponent(graphics); if (StringUtils.isNotEmpty(text)) { Graphics2D g2 = (Graphics2D) graphics; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setColor(fillColor); g2.fillRect(margin.left, margin.top, rect.width, rect.height); g2.setFont(new Font((new JLabel()).getFont().getName(), Font.BOLD, pointSize)); FontMetrics fm = g2.getFontMetrics(); int tw = fm.stringWidth(text); int th = fm.getHeight(); int tx = (rect.width - tw) / 2; int ty = (rect.height - th) / 2; if (yPos != null) { ty = yPos; } int expand = 20; int arc = expand * 2; g2.setColor(new Color(0, 0, 0, 50)); int x = margin.left + tx - (expand / 2); int y = margin.top + ty - fm.getAscent() - (expand / 2); drawBGContainer(g2, true, x + 4, y + 6, tw + expand, th + expand, arc, arc); g2.setColor(new Color(255, 255, 255, 220)); drawBGContainer(g2, true, x, y, tw + expand, th + expand, arc, arc); g2.setColor(Color.DARK_GRAY); drawBGContainer(g2, false, x, y, tw + expand, th + expand, arc, arc); g2.setColor(textColor == null ? Color.BLACK : textColor); g2.drawString(text, tx, ty); } }
From source file:com.rapidminer.gui.new_plotter.engine.jfreechart.link_and_brush.LinkAndBrushChartPanel.java
@Override public void mouseReleased(MouseEvent e) { // if we've been panning, we need to reset now that the mouse is // released... Rectangle2D zoomRectangle = (Rectangle2D) getChartFieldValueByName("zoomRectangle"); Point2D zoomPoint = (Point2D) getChartFieldValueByName("zoomPoint"); if (getChartFieldValueByName("panLast") != null) { setChartFieldValue((getChartFieldByName("panLast")), null); setCursor(Cursor.getDefaultCursor()); } else if (zoomRectangle != null) { boolean hZoom = false; boolean vZoom = false; if ((PlotOrientation) getChartFieldValueByName("orientation") == PlotOrientation.HORIZONTAL) { hZoom = (Boolean) getChartFieldValueByName("rangeZoomable"); vZoom = (Boolean) getChartFieldValueByName("domainZoomable"); } else {/*from w w w . ja v a 2 s. com*/ hZoom = (Boolean) getChartFieldValueByName("domainZoomable"); vZoom = (Boolean) getChartFieldValueByName("rangeZoomable"); } boolean zoomTrigger1 = hZoom && Math .abs(e.getX() - zoomPoint.getX()) >= (Integer) getChartFieldValueByName("zoomTriggerDistance"); boolean zoomTrigger2 = vZoom && Math .abs(e.getY() - zoomPoint.getY()) >= (Integer) getChartFieldValueByName("zoomTriggerDistance"); if (zoomTrigger1 || zoomTrigger2) { if ((hZoom && (e.getX() < zoomPoint.getX())) || (vZoom && (e.getY() < zoomPoint.getY()))) { restoreAutoBounds(); } else { double x, y, w, h; Rectangle2D screenDataArea = getScreenDataArea((int) zoomPoint.getX(), (int) zoomPoint.getY()); double maxX = screenDataArea.getMaxX(); double maxY = screenDataArea.getMaxY(); // for mouseReleased event, (horizontalZoom || verticalZoom) // will be true, so we can just test for either being false; // otherwise both are true if (!vZoom) { x = zoomPoint.getX(); y = screenDataArea.getMinY(); w = Math.min(zoomRectangle.getWidth(), maxX - zoomPoint.getX()); h = screenDataArea.getHeight(); } else if (!hZoom) { x = screenDataArea.getMinX(); y = zoomPoint.getY(); w = screenDataArea.getWidth(); h = Math.min(zoomRectangle.getHeight(), maxY - zoomPoint.getY()); } else { x = zoomPoint.getX(); y = zoomPoint.getY(); w = Math.min(zoomRectangle.getWidth(), maxX - zoomPoint.getX()); h = Math.min(zoomRectangle.getHeight(), maxY - zoomPoint.getY()); } Rectangle2D zoomArea = new Rectangle2D.Double(x, y, w, h); zoom(zoomArea); } setChartFieldValue(getChartFieldByName("zoomPoint"), null); setChartFieldValue(getChartFieldByName("zoomRectangle"), null); } else { // erase the zoom rectangle Graphics2D g2 = (Graphics2D) getGraphics(); if ((Boolean) getChartFieldValueByName("useBuffer")) { repaint(); } else { drawZoomRectangle(g2, true); } g2.dispose(); setChartFieldValue(getChartFieldByName("zoomPoint"), null); setChartFieldValue(getChartFieldByName("zoomRectangle"), null); } } else if (e.isPopupTrigger()) { if (getChartFieldValueByName("popup") != null) { displayPopupMenu(e.getX(), e.getY()); } } }
From source file:edu.gmu.cs.sim.util.media.chart.ChartGenerator.java
BufferedImage getBufferedImage() {
// make a buffer
if (buffer == null || buffer.getWidth(null) != chartPanel.getWidth()
|| buffer.getHeight(null) != chartPanel.getHeight()) {
buffer = getGraphicsConfiguration().createCompatibleImage((int) chartPanel.getWidth(),
(int) chartPanel.getHeight());
}// w w w . j a v a 2 s.c o m
// paint to the buffer
Graphics2D g = (Graphics2D) (buffer.getGraphics());
g.setColor(chartPanel.getBackground());
g.fillRect(0, 0, buffer.getWidth(null), buffer.getHeight(null));
chartPanel.paintComponent(g);
g.dispose();
return buffer;
}
From source file:ar.com.zauber.common.image.impl.AbstractImage.java
/** * Creates a thumbnail// www . j av a 2 s. c om * * @param is data source * @param os data source * @throws IOException if there is a problem reading is */ public static void createThumbnail(final InputStream is, final OutputStream os, final int target) throws IOException { final float compression = 0.85F; ImageWriter writer = null; MemoryCacheImageOutputStream mos = null; Graphics2D graphics2D = null; try { final BufferedImage bi = ImageIO.read(is); final Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName("JPG"); if (!iter.hasNext()) { throw new IllegalStateException("can't find JPG subsystem"); } int w = bi.getWidth(), h = bi.getHeight(); if (w < target && h < target) { // nothing to recalculate, ya es chiquita. } else { if (w > h) { h = target * bi.getHeight() / bi.getWidth(); w = target; } else { w = target * bi.getWidth() / bi.getHeight(); h = target; } } // draw original image to thumbnail image object and // scale it to the new size on-the-fly final BufferedImage thumbImage = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); graphics2D = thumbImage.createGraphics(); graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2D.drawImage(bi, 0, 0, w, h, null); writer = (ImageWriter) iter.next(); final ImageWriteParam iwp = writer.getDefaultWriteParam(); iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); iwp.setCompressionQuality(compression); mos = new MemoryCacheImageOutputStream(os); writer.setOutput(mos); writer.write(null, new IIOImage(thumbImage, null, null), iwp); } finally { if (writer != null) { writer.dispose(); } if (mos != null) { mos.close(); } if (graphics2D != null) { graphics2D.dispose(); } is.close(); os.close(); } }
From source file:de.thm.arsnova.util.ImageUtils.java
/** * Rescales an image represented by a Base64-encoded {@link String} * * @param originalImageString/*w w w . ja va2 s. c o m*/ * The original image represented by a Base64-encoded * {@link String} * @param width * the new width * @param height * the new height * @return The rescaled Image as Base64-encoded {@link String}, returns null * if the passed-on image isn't in a valid format (a Base64-Image). */ String createCover(String originalImageString, final int width, final int height) { if (!isBase64EncodedImage(originalImageString)) { return null; } else { final String[] imgInfo = extractImageInfo(originalImageString); // imgInfo isn't null and contains two fields, this is checked by "isBase64EncodedImage"-Method final String extension = imgInfo[0]; final String base64String = imgInfo[1]; byte[] imageData = Base64.decodeBase64(base64String); try (final ByteArrayInputStream bais = new ByteArrayInputStream(imageData); final ByteArrayOutputStream baos = new ByteArrayOutputStream()) { BufferedImage originalImage = ImageIO.read(bais); BufferedImage newImage = new BufferedImage(width, height, originalImage.getType()); Graphics2D g = newImage.createGraphics(); final double ratio = ((double) originalImage.getWidth()) / ((double) originalImage.getHeight()); int x = 0, y = 0, w = width, h = height; if (originalImage.getWidth() > originalImage.getHeight()) { final int newWidth = (int) Math.round((float) height * ratio); x = -(newWidth - width) >> 1; w = newWidth; } else if (originalImage.getWidth() < originalImage.getHeight()) { final int newHeight = (int) Math.round((float) width / ratio); y = -(newHeight - height) >> 1; h = newHeight; } g.drawImage(originalImage, x, y, w, h, null); g.dispose(); StringBuilder result = new StringBuilder(); result.append(IMAGE_PREFIX_START); result.append(extension); result.append(IMAGE_PREFIX_MIDDLE); ImageIO.write(newImage, extension, baos); baos.flush(); result.append(Base64.encodeBase64String(baos.toByteArray())); return result.toString(); } catch (IOException e) { logger.error(e.getLocalizedMessage()); return null; } } }
From source file:org.wkm.mtool.service.QRCodeService.java
/** * ??(QRCode)//from www .j a v a 2 s.co m * @param content * @param imgFile */ private void encoderQRCode(String content, File imgFile) { try { Qrcode qrcodeHandler = new Qrcode(); qrcodeHandler.setQrcodeErrorCorrect('M'); qrcodeHandler.setQrcodeEncodeMode('B'); qrcodeHandler.setQrcodeVersion(7); System.out.println(content); byte[] contentBytes = content.getBytes(Consts.UTF_8.name()); BufferedImage bufImg = new BufferedImage(140, 140, BufferedImage.TYPE_INT_RGB); Graphics2D gs = bufImg.createGraphics(); gs.setBackground(Color.WHITE); gs.clearRect(0, 0, 140, 140); // ? > BLACK gs.setColor(Color.BLACK); // ??? ??? int pixoff = 2; // > ? if (contentBytes.length > 0 && contentBytes.length < 120) { boolean[][] codeOut = qrcodeHandler.calQrcode(contentBytes); for (int i = 0; i < codeOut.length; i++) { for (int j = 0; j < codeOut.length; j++) { if (codeOut[j][i]) { gs.fillRect(j * 3 + pixoff, i * 3 + pixoff, 3, 3); } } } } else { System.err.println("QRCode content bytes length = " + contentBytes.length + " not in [ 0,120 ]. "); } gs.dispose(); bufImg.flush(); // ??QRCode ImageIO.write(bufImg, "png", imgFile); } catch (Exception e) { log.info("Exception:" + e.getMessage()); } }