List of usage examples for java.awt Graphics2D transform
public abstract void transform(AffineTransform Tx);
From source file:edu.jhuapl.graphs.jfreechart.utils.HighResChartUtil.java
/** * Returns a high resolution BufferedImage of the chart. Uses the default DPI_FILE_RESOLUTION. * * @param resolution The resolution, in dots per inch, of the image to generate. * @return the buffered image./*from w ww. j av a 2s. c o m*/ */ public static BufferedImage getHighResChartImage(ChartPanel chartPanel, int resolution) { int screenResolution = Toolkit.getDefaultToolkit().getScreenResolution(); double scaleRatio = resolution / screenResolution; int width = chartPanel.getWidth(); int height = chartPanel.getHeight(); int rasterWidth = (int) (width * scaleRatio); int rasterHeight = (int) (height * scaleRatio); BufferedImage image = new BufferedImage(rasterWidth, rasterHeight, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); g2.transform(AffineTransform.getScaleInstance(scaleRatio, scaleRatio)); chartPanel.getChart().draw(g2, new Rectangle2D.Double(0, 0, width, height), null); g2.dispose(); return image; }
From source file:Main.java
/** * Draws a shape with the specified rotation about <code>(x, y)</code>. * * @param g2 the graphics device (<code>null</code> not permitted). * @param shape the shape (<code>null</code> not permitted). * @param angle the angle (in radians). * @param x the x coordinate for the rotation point. * @param y the y coordinate for the rotation point. */// w w w. j a v a2 s . co m public static void drawRotatedShape(final Graphics2D g2, final Shape shape, final double angle, final float x, final float y) { final AffineTransform saved = g2.getTransform(); final AffineTransform rotate = AffineTransform.getRotateInstance(angle, x, y); g2.transform(rotate); g2.draw(shape); g2.setTransform(saved); }
From source file:Main.java
static void drawArrow(Graphics g1, int x1, int y1, int x2, int y2) { // x1 and y1 are coordinates of circle or rectangle // x2 and y2 are coordinates of circle or rectangle, to this point is directed the arrow Graphics2D g = (Graphics2D) g1.create(); double dx = x2 - x1; double dy = y2 - y1; double angle = Math.atan2(dy, dx); int len = (int) Math.sqrt(dx * dx + dy * dy); AffineTransform t = AffineTransform.getTranslateInstance(x1, y1); t.concatenate(AffineTransform.getRotateInstance(angle)); g.transform(t); g.drawLine(0, 0, len, 0);//w w w. j a va 2 s. c om int basePosition = len - ARROW_HEAD_SIZE.width; int height = ARROW_HEAD_SIZE.height; g.fillPolygon(new int[] { len, basePosition, basePosition, len }, new int[] { 0, -height, height, 0 }, 4); }
From source file:net.sf.mcf2pdf.mcfelements.util.ImageUtil.java
/** * Loads the given CLP or SVG file and creates a BufferedImage with the given dimensions. As CLP files contain Vector images, * they can be scaled to every size needed. The contents are scaled to the given width and height, <b>not</b> preserving any * ratio of the image.//ww w . jav a2 s. c om * * @param clpFile CLP or SVG file. * @param widthPixel The width, in pixels, the resulting image shall have. * @param heightPixel The height, in pixels, the resulting image shall have. * * @return An image displaying the contents of the loaded CLP file. * * @throws IOException If any I/O related problem occurs reading the file. */ public static BufferedImage loadClpFile(File clpFile, int widthPixel, int heightPixel) throws IOException { FileInputStream fis = new FileInputStream(clpFile); ClpInputStream cis = null; InputStream in = clpFile.getName().toLowerCase().endsWith(".clp") ? (cis = new ClpInputStream(fis)) : fis; UserAgentAdapter userAgentAdapter = new UserAgentAdapter(); BridgeContext bridgeContext = new BridgeContext(userAgentAdapter); SVGDocument svgDocument; GraphicsNode rootSvgNode; try { String parser = XMLResourceDescriptor.getXMLParserClassName(); SAXSVGDocumentFactory factory = new SAXSVGDocumentFactory(parser); svgDocument = (SVGDocument) factory.createDocument(clpFile.toURI().toString(), new InputStreamReader(in, "ISO-8859-1")); rootSvgNode = getRootNode(svgDocument, bridgeContext); } finally { IOUtils.closeQuietly(cis); IOUtils.closeQuietly(fis); } float[] vb = ViewBox.parseViewBoxAttribute(svgDocument.getRootElement(), svgDocument.getRootElement().getAttribute("viewBox"), bridgeContext); AffineTransform usr2dev = ViewBox.getPreserveAspectRatioTransform(vb, SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_NONE, true, widthPixel, heightPixel); BufferedImage img = new BufferedImage(widthPixel, heightPixel, BufferedImage.TYPE_INT_ARGB); Graphics2D g2d = img.createGraphics(); g2d.setColor(new Color(0.0f, 0.0f, 0.0f, 0.0f)); g2d.fillRect(0, 0, widthPixel, heightPixel); g2d.transform(usr2dev); // fixes "Graphics2D from BufferedImage lacks BUFFERED_IMAGE hint" - part 1 final Object oldBufferedImage = g2d.getRenderingHint(RenderingHintsKeyExt.KEY_BUFFERED_IMAGE); g2d.setRenderingHint(RenderingHintsKeyExt.KEY_BUFFERED_IMAGE, new WeakReference<BufferedImage>(img)); rootSvgNode.paint(g2d); // fixes "Graphics2D from BufferedImage lacks BUFFERED_IMAGE hint" - part 2 if (oldBufferedImage != null) g2d.setRenderingHint(RenderingHintsKeyExt.KEY_BUFFERED_IMAGE, oldBufferedImage); else g2d.getRenderingHints().remove(RenderingHintsKeyExt.KEY_BUFFERED_IMAGE); g2d.dispose(); return img; }
From source file:net.sf.mzmine.chartbasics.graphicsexport.ChartExportUtil.java
/** * Paints a chart with scaling options/*from ww w .jav a 2 s . c om*/ * * @param chart * @param info * @param out * @param width * @param height * @param resolution * @return BufferedImage of a given chart with scaling to resolution * @throws IOException */ private static BufferedImage paintScaledChartToBufferedImage(JFreeChart chart, ChartRenderingInfo info, OutputStream out, int width, int height, int resolution, int bufferedIType) throws IOException { Args.nullNotPermitted(out, "out"); Args.nullNotPermitted(chart, "chart"); double scaleX = resolution / 72.0; double scaleY = resolution / 72.0; double desiredWidth = width * scaleX; double desiredHeight = height * scaleY; double defaultWidth = width; double defaultHeight = height; boolean scale = false; // get desired width and height from somewhere then... if ((scaleX != 1) || (scaleY != 1)) { scale = true; } BufferedImage image = new BufferedImage((int) desiredWidth, (int) desiredHeight, bufferedIType); Graphics2D g2 = image.createGraphics(); if (scale) { AffineTransform saved = g2.getTransform(); g2.transform(AffineTransform.getScaleInstance(scaleX, scaleY)); chart.draw(g2, new Rectangle2D.Double(0, 0, defaultWidth, defaultHeight), info); g2.setTransform(saved); g2.dispose(); } else { chart.draw(g2, new Rectangle2D.Double(0, 0, defaultWidth, defaultHeight), info); } return image; }
From source file:XORRectangles.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; // using white as the XOR color. g2.setXORMode(Color.white);// ww w . ja v a 2 s . co m // Paint a red rectangle. Rectangle2D r = new Rectangle2D.Double(50, 50, 150, 100); g2.setPaint(Color.red); g2.fill(r); g2.transform(AffineTransform.getTranslateInstance(25, 25)); // Draw a blue rectangle. g2.setPaint(Color.blue); g2.fill(r); }
From source file:MainClass.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setPaint(Color.black);/*w ww . j av a2 s . c o m*/ g2.draw(shape); AffineTransform at = AffineTransform.getTranslateInstance(75, 75); g2.transform(at); g2.setPaint(Color.red); g2.draw(shape); }
From source file:TextRendering.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); Dimension d = getSize();/*from ww w.jav a2 s.c o m*/ AffineTransform ct = AffineTransform.getTranslateInstance(d.width / 2, d.height * 3 / 4); g2.transform(ct); String s = "www.java2s.com"; Font f = new Font("Serif", Font.PLAIN, 128); g2.setFont(f); int count = 6; for (int i = 1; i <= count; i++) { AffineTransform oldTransform = g2.getTransform(); float ratio = (float) i / (float) count; g2.transform(AffineTransform.getRotateInstance(Math.PI * (ratio - 1.0f))); float alpha = ((i == count) ? 1.0f : ratio / 3); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha)); g2.drawString(s, 0, 0); g2.setTransform(oldTransform); } }
From source file:Main.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setPaint(Color.black);/* ww w . j a va 2 s . c o m*/ g2.draw(new Rectangle2D.Float(10, 20, 30, 40)); AffineTransform at = AffineTransform.getTranslateInstance(75, 75); g2.transform(at); g2.setPaint(Color.red); g2.draw(new Rectangle2D.Float(10, 20, 30, 40)); }
From source file:TransformTranslation.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; // Use antialiasing. g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); // Move the origin to 75, 75. AffineTransform at = AffineTransform.getTranslateInstance(75, 75); g2.transform(at); // Draw the shapes in their original locations. g2.setPaint(Color.black);/* w w w . ja va 2s . c o m*/ g2.draw(axes); g2.draw(shape); // Transform the Graphics2D. g2.transform(AffineTransform.getTranslateInstance(150, 0)); // Draw the "new" shapes in dashed. Stroke stroke = new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0, new float[] { 3, 1 }, 0); g2.setStroke(stroke); g2.draw(axes); g2.draw(shape); }