List of usage examples for java.awt Graphics2D drawLine
public abstract void drawLine(int x1, int y1, int x2, int y2);
(x1, y1) and (x2, y2) in this graphics context's coordinate system. From source file:Main.java
public static void main(String[] args) throws Exception { BufferedImage bi = new BufferedImage(100, 100, BufferedImage.TYPE_USHORT_GRAY); Graphics2D g2d = bi.createGraphics(); g2d.setColor(Color.WHITE);/*from w ww . j a v a2 s. c om*/ g2d.fillRect(0, 0, 100, 100); g2d.setColor(new Color(255, 123, 0)); g2d.drawLine(100, 100, 1, 1); g2d.dispose(); BufferedImage scaledImage = new BufferedImage(1000, 1000, BufferedImage.TYPE_USHORT_GRAY); Graphics2D graphics2D = scaledImage.createGraphics(); graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); graphics2D.drawImage(bi, 0, 0, 1000, 1000, null); graphics2D.dispose(); ImageIO.write(scaledImage, "png", new File("c:/Java_Dev/Test.png")); bi.flush(); }
From source file:org.jcurl.demo.tactics.CurveShapeDemo.java
public static void main(String[] args) { log.info("Version: " + Version.find()); final R1RNFunction c; {/*from w w w . ja v a2 s .c om*/ final R1R1Function[] f = new R1R1Function[2]; final double[] fx = { 200, 150 }; final double[] fy = { 4, 4, 4, 4, 4 }; f[0] = new Polynome(fx); f[1] = new Polynome(fy); c = new CurveFkt(f); } final CurveShapeDemo frame = new CurveShapeDemo(c); frame.setSize(500, 400); frame.setVisible(true); frame.setContentPane(new JPanel() { private static final long serialVersionUID = -3582299332757831635L; private final double[] sections = new double[10]; final Stroke st = new BasicStroke(20, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 0); public void paintComponent(Graphics g) { setBackground(new Color(255, 255, 255)); super.paintComponent(g); setBackground(new Color(255, 255, 255)); final Graphics2D g2 = (Graphics2D) g; g2.scale(0.75, 0.75); g2.setPaint(new Color(0, 0, 255)); g2.setStroke(st); g2.drawLine(0, 0, 650, 500); g2.setPaint(new Color(255, 170, 0, 128)); // FIXME g2.draw(CurveShape.approximate(frame.curve, CurveShape.sections(-1, 3, sections))); } }); }
From source file:org.jcurl.core.swing.RockEditDisplay.java
/** * @param g// ww w . j av a 2 s . c om * @param abs1_dc * @param abs2_dc */ protected static void lineDC(final Graphics2D g, final Point2D abs1_dc, final Point2D abs2_dc) { // perpendicular line for the "strength" g.drawLine((int) abs1_dc.getX(), (int) abs1_dc.getY(), (int) abs2_dc.getX(), (int) abs2_dc.getY()); }
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);//from w w w . jav a 2s. c om g.drawLine(0, 0, len, 0); 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:Main.java
/** * Draws a double headed arrow with arrow heads of a given width and height. * /*from www . j a v a2 s .c o m*/ * @param aG * the canvas to draw on; * @param aX1 * the starting X position of the arrow; * @param aY1 * the starting Y position of the arrow; * @param aX2 * the ending X position of the arrow; * @param aY2 * the ending Y position of the arrow; * @param aArrowWidth * the total width of the arrow head; * @param aArrowHeight * the total height of the arrow head. */ public static final void drawDoubleHeadedArrow(final Graphics aG, final int aX1, final int aY1, final int aX2, final int aY2, final int aArrowWidth, final int aArrowHeight) { final Graphics2D g2d = (Graphics2D) aG.create(); final int lineWidth = Math.abs(aX2 - aX1); final int threshold = (2 * aArrowWidth) + 2; try { int x1 = aX1; int x2 = aX2; if (lineWidth > threshold) { drawArrowHead(g2d, aX1, aY1, LEFT_FACING, aArrowWidth, aArrowHeight); // why x2 needs to be shifted by one pixel is beyond me... drawArrowHead(g2d, aX2 + 1, aY2, RIGHT_FACING, aArrowWidth, aArrowHeight); x1 += aArrowWidth - 1; x2 -= aArrowWidth + 1; } g2d.drawLine(x1, aY1, x2, aY2); } finally { g2d.dispose(); } }
From source file:com.simiacryptus.mindseye.applications.ArtistryUtil.java
/** * Paint lines./*from w w w . j av a 2s. co m*/ * * @param canvas the canvas */ public static void paint_Lines(final Tensor canvas) { BufferedImage originalImage = canvas.toImage(); BufferedImage newImage = new BufferedImage(originalImage.getWidth(), originalImage.getHeight(), BufferedImage.TYPE_INT_ARGB); Graphics2D graphics = (Graphics2D) newImage.getGraphics(); IntStream.range(0, 100).forEach(i -> { Random random = new Random(); graphics.setColor(new Color(random.nextInt(255), random.nextInt(255), random.nextInt(255))); graphics.drawLine(random.nextInt(originalImage.getWidth()), random.nextInt(originalImage.getHeight()), random.nextInt(originalImage.getWidth()), random.nextInt(originalImage.getHeight())); }); canvas.set(Tensor.fromRGB(newImage)); }
From source file:edu.ku.brc.ui.GraphicsUtils.java
/** * Draws an arrow from <code>(xCenter,yCenter)</code> to <code>(x,y)</code>. * Code stolen from http://forum.java.sun.com/thread.jspa?threadID=378460&tstart=135. * /*from www. j ava 2s .c o m*/ * @param g the graphics context to draw in * @param headSize the size of the arrow head * @param xCenter the x-coord of the arrow tail * @param yCenter the y-coord of the arrow tail * @param x the x-coord of the arrow head's tip * @param y the y-coord of the arrow head's tip * @param stroke the <code>Stroke</code> to use */ public static void drawArrow(Graphics g, int xCenter, int yCenter, int x, int y, int headSize, float stroke) { Graphics2D g2d = (Graphics2D) g; g2d.addRenderingHints(hints); double aDir = Math.atan2(xCenter - x, yCenter - y); Stroke origStroke = g2d.getStroke(); g2d.setStroke(new BasicStroke(stroke)); // make the arrow head solid even if dash pattern has been specified g2d.drawLine(x, y, xCenter, yCenter); Polygon tmpPoly = new Polygon(); int i1 = 2 * headSize + (int) stroke; //(stroke * 2); int i2 = headSize + (int) stroke; // make the arrow head the same size regardless of the length length tmpPoly.addPoint(x, y); // arrow tip tmpPoly.addPoint(x + xCor(i1, aDir + .5), y + yCor(i1, aDir + .5)); tmpPoly.addPoint(x + xCor(i2, aDir), y + yCor(i2, aDir)); tmpPoly.addPoint(x + xCor(i1, aDir - .5), y + yCor(i1, aDir - .5)); tmpPoly.addPoint(x, y); // arrow tip g2d.drawPolygon(tmpPoly); g2d.fillPolygon(tmpPoly); // remove this line to leave arrow head unpainted g2d.setStroke(origStroke); }
From source file:LinesDashes2.java
public void paintComponent(Graphics g) { super.paintComponent(g); Graphics2D g2d = (Graphics2D) g; g2d.drawLine(20, 40, 250, 40); float[] dash2 = { 1f, 1f, 1f }; BasicStroke bs2 = new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1.0f, dash2, 2f); g2d.setStroke(bs2);/* ww w . j a va2 s. c o m*/ g2d.drawLine(20, 20, 250, 20); }
From source file:LinesDashes1.java
public void paintComponent(Graphics g) { super.paintComponent(g); Graphics2D g2d = (Graphics2D) g; float[] dash1 = { 2f, 0f, 2f }; g2d.drawLine(20, 40, 250, 40); BasicStroke bs1 = new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1.0f, dash1, 2f); g2d.setStroke(bs1);/*w w w .j a va 2s.c o m*/ g2d.drawLine(20, 80, 250, 80); }
From source file:Main.java
@Override protected void paintComponent(Graphics g) { super.paintComponent(g); Graphics2D g2d = (Graphics2D) g.create(); g2d.setColor(Color.RED);//from ww w . j a v a 2s .c om g2d.drawLine(0, 0, getWidth(), getHeight()); g2d.drawLine(getWidth(), 0, 0, getHeight()); g2d.dispose(); }