List of usage examples for java.awt Graphics2D transform
public abstract void transform(AffineTransform Tx);
From source file:ClipImage.java
public void drawDemo(Graphics2D g2) { if (newBufferedImage) { x = Math.random() * w;//from www . ja v a 2s . co m y = Math.random() * h; ew = (Math.random() * w) / 2; eh = (Math.random() * h) / 2; } x += ix; y += iy; ew += iw; eh += ih; if (ew > w / 2) { ew = w / 2; iw = Math.random() * -w / 16 - 1; } if (ew < w / 8) { ew = w / 8; iw = Math.random() * w / 16 + 1; } if (eh > h / 2) { eh = h / 2; ih = Math.random() * -h / 16 - 1; } if (eh < h / 8) { eh = h / 8; ih = Math.random() * h / 16 + 1; } if ((x + ew) > w) { x = (w - ew) - 1; ix = Math.random() * -w / 32 - 1; } if (x < 0) { x = 2; ix = Math.random() * w / 32 + 1; } if ((y + eh) > h) { y = (h - eh) - 2; iy = Math.random() * -h / 32 - 1; } if (y < 0) { y = 2; iy = Math.random() * h / 32 + 1; } ellipse.setFrame(x, y, ew, eh); g2.setClip(ellipse); rect.setRect(x + 5, y + 5, ew - 10, eh - 10); g2.clip(rect); g2.drawImage(img, 0, 0, w, h, this); p.reset(); p.moveTo(-w / 2.0f, -h / 8.0f); p.lineTo(+w / 2.0f, -h / 8.0f); p.lineTo(-w / 4.0f, +h / 2.0f); p.lineTo(+0.0f, -h / 2.0f); p.lineTo(+w / 4.0f, +h / 2.0f); p.closePath(); at.setToIdentity(); at.translate(w * .5f, h * .5f); g2.transform(at); g2.setStroke(bs); g2.setPaint(redBlend); g2.draw(p); at.setToIdentity(); g2.setTransform(at); g2.setPaint(greenBlend); for (int yy = 0; yy < h; yy += 50) { for (int xx = 0, i = 0; xx < w; i++, xx += 50) { switch (i) { case 0: arc.setArc(xx, yy, 25, 25, 45, 270, Arc2D.PIE); g2.fill(arc); break; case 1: ellipse.setFrame(xx, yy, 25, 25); g2.fill(ellipse); break; case 2: roundRect.setRoundRect(xx, yy, 25, 25, 4, 4); g2.fill(roundRect); break; case 3: rect.setRect(xx, yy, 25, 25); g2.fill(rect); i = -1; } } } }
From source file:neg.JRViewer.java
protected Image getPageErrorImage() { Image image = new BufferedImage((int) (jasperPrint.getPageWidth() * realZoom) + 1, (int) (jasperPrint.getPageHeight() * realZoom) + 1, BufferedImage.TYPE_INT_RGB); Graphics2D grx = (Graphics2D) image.getGraphics(); AffineTransform transform = new AffineTransform(); transform.scale(realZoom, realZoom); grx.transform(transform); drawPageError((Graphics2D) grx); return image; }
From source file:cn.pholance.datamanager.common.components.JRViewer.java
protected Image getPageErrorImage() { Image image = new BufferedImage((int) (jasperPrint.getPageWidth() * realZoom) + 1, (int) (jasperPrint.getPageHeight() * realZoom) + 1, BufferedImage.TYPE_INT_RGB); Graphics2D grx = (Graphics2D) image.getGraphics(); AffineTransform transform = new AffineTransform(); transform.scale(realZoom, realZoom); grx.transform(transform); drawPageError(grx);/*w ww . j av a 2 s .c o m*/ return image; }
From source file:cn.pholance.datamanager.common.components.JRViewer.java
protected void paintPageError(Graphics2D grx) { AffineTransform origTransform = grx.getTransform(); AffineTransform transform = new AffineTransform(); transform.translate(1, 1);//from w w w .j a v a 2s . c om transform.scale(realZoom, realZoom); grx.transform(transform); try { drawPageError(grx); } finally { grx.setTransform(origTransform); } }
From source file:com.openbravo.pos.util.JRViewer400.java
protected Image getPageErrorImage() { PrintPageFormat pageFormat = getPageFormat(); Image image = new BufferedImage((int) (pageFormat.getPageWidth() * realZoom) + 1, (int) (pageFormat.getPageHeight() * realZoom) + 1, BufferedImage.TYPE_INT_RGB); Graphics2D grx = (Graphics2D) image.getGraphics(); AffineTransform transform = new AffineTransform(); transform.scale(realZoom, realZoom); grx.transform(transform); drawPageError(grx);/*from w w w.j av a2 s. co m*/ return image; }
From source file:com.isti.traceview.common.TraceViewChartPanel.java
/** * Paints the component by drawing the chart to fill the entire component, but allowing for the * insets (which will be non-zero if a border has been set for this component). To increase * performance (at the expense of memory), an off-screen buffer image can be used. * /* www . j av a 2s. c o m*/ * @param g * the graphics device for drawing on. */ public void paintComponent(Graphics g) { super.paintComponent(g); if (this.chart == null) { return; } Graphics2D g2 = (Graphics2D) g.create(); // first determine the size of the chart rendering area... Dimension size = getSize(); Insets insets = getInsets(); Rectangle2D available = new Rectangle2D.Double(insets.left, insets.top, size.getWidth() - insets.left - insets.right, size.getHeight() - insets.top - insets.bottom); // work out if scaling is required... boolean scale = false; double drawWidth = available.getWidth(); double drawHeight = available.getHeight(); this.scaleX = 1.0; this.scaleY = 1.0; if (drawWidth < this.minimumDrawWidth) { this.scaleX = drawWidth / this.minimumDrawWidth; drawWidth = this.minimumDrawWidth; scale = true; } else if (drawWidth > this.maximumDrawWidth) { this.scaleX = drawWidth / this.maximumDrawWidth; drawWidth = this.maximumDrawWidth; scale = true; } if (drawHeight < this.minimumDrawHeight) { this.scaleY = drawHeight / this.minimumDrawHeight; drawHeight = this.minimumDrawHeight; scale = true; } else if (drawHeight > this.maximumDrawHeight) { this.scaleY = drawHeight / this.maximumDrawHeight; drawHeight = this.maximumDrawHeight; scale = true; } Rectangle2D chartArea = new Rectangle2D.Double(0.0, 0.0, drawWidth, drawHeight); // are we using the chart buffer? if (this.useBuffer) { // do we need to resize the buffer? if ((this.chartBuffer == null) || (this.chartBufferWidth != available.getWidth()) || (this.chartBufferHeight != available.getHeight())) { this.chartBufferWidth = (int) available.getWidth(); this.chartBufferHeight = (int) available.getHeight(); this.chartBuffer = new BufferedImage(this.chartBufferWidth, this.chartBufferHeight, BufferedImage.TYPE_INT_RGB); //this.chartBuffer = createImage(this.chartBufferWidth, this.chartBufferHeight); -by Max // GraphicsConfiguration gc = g2.getDeviceConfiguration(); // this.chartBuffer = gc.createCompatibleImage( // this.chartBufferWidth, this.chartBufferHeight, // Transparency.TRANSLUCENT); this.refreshBuffer = true; } // do we need to redraw the buffer? if (this.refreshBuffer) { Rectangle2D bufferArea = new Rectangle2D.Double(0, 0, this.chartBufferWidth, this.chartBufferHeight); Graphics2D bufferG2 = (Graphics2D) this.chartBuffer.getGraphics(); if (scale) { AffineTransform saved = bufferG2.getTransform(); AffineTransform st = AffineTransform.getScaleInstance(this.scaleX, this.scaleY); bufferG2.transform(st); this.chart.draw(bufferG2, chartArea, this.anchor, this.info); bufferG2.setTransform(saved); } else { this.chart.draw(bufferG2, bufferArea, this.anchor, this.info); } this.refreshBuffer = false; } // zap the buffer onto the panel... g2.drawImage(this.chartBuffer, insets.left, insets.top, this); } // or redrawing the chart every time... else { AffineTransform saved = g2.getTransform(); g2.translate(insets.left, insets.top); if (scale) { AffineTransform st = AffineTransform.getScaleInstance(this.scaleX, this.scaleY); g2.transform(st); } this.chart.draw(g2, chartArea, this.anchor, this.info); g2.setTransform(saved); } // Redraw the zoom rectangle (if present) drawZoomRectangle(g2); g2.dispose(); this.anchor = null; this.verticalTraceLine = null; this.horizontalTraceLine = null; }
From source file:org.rdv.viz.chart.ChartPanel.java
/** * Paints the component by drawing the chart to fill the entire component, * but allowing for the insets (which will be non-zero if a border has been * set for this component). To increase performance (at the expense of * memory), an off-screen buffer image can be used. * * @param g the graphics device for drawing on. *///from w w w.j av a 2s .c om public void paintComponent(Graphics g) { super.paintComponent(g); if (this.chart == null) { return; } Graphics2D g2 = (Graphics2D) g.create(); // first determine the size of the chart rendering area... Dimension size = getSize(); Insets insets = getInsets(); Rectangle2D available = new Rectangle2D.Double(insets.left, insets.top, size.getWidth() - insets.left - insets.right, size.getHeight() - insets.top - insets.bottom); // work out if scaling is required... boolean scale = false; double drawWidth = available.getWidth(); double drawHeight = available.getHeight(); this.scaleX = 1.0; this.scaleY = 1.0; if (drawWidth < this.minimumDrawWidth) { this.scaleX = drawWidth / this.minimumDrawWidth; drawWidth = this.minimumDrawWidth; scale = true; } else if (drawWidth > this.maximumDrawWidth) { this.scaleX = drawWidth / this.maximumDrawWidth; drawWidth = this.maximumDrawWidth; scale = true; } if (drawHeight < this.minimumDrawHeight) { this.scaleY = drawHeight / this.minimumDrawHeight; drawHeight = this.minimumDrawHeight; scale = true; } else if (drawHeight > this.maximumDrawHeight) { this.scaleY = drawHeight / this.maximumDrawHeight; drawHeight = this.maximumDrawHeight; scale = true; } Rectangle2D chartArea = new Rectangle2D.Double(0.0, 0.0, drawWidth, drawHeight); // are we using the chart buffer? if (this.useBuffer) { // if buffer is being refreshed, it needs clearing unless it is // new - use the following flag to track this... boolean clearBuffer = true; // do we need to resize the buffer? if ((this.chartBuffer == null) || (this.chartBufferWidth != available.getWidth()) || (this.chartBufferHeight != available.getHeight())) { this.chartBufferWidth = (int) available.getWidth(); this.chartBufferHeight = (int) available.getHeight(); this.chartBuffer = createImage(this.chartBufferWidth, this.chartBufferHeight); // GraphicsConfiguration gc = g2.getDeviceConfiguration(); // this.chartBuffer = gc.createCompatibleImage( // this.chartBufferWidth, this.chartBufferHeight, // Transparency.TRANSLUCENT); this.refreshBuffer = true; clearBuffer = false; // buffer is new, no clearing required } // do we need to redraw the buffer? if (this.refreshBuffer) { this.refreshBuffer = false; // clear the flag Rectangle2D bufferArea = new Rectangle2D.Double(0, 0, this.chartBufferWidth, this.chartBufferHeight); Graphics2D bufferG2 = (Graphics2D) this.chartBuffer.getGraphics(); if (clearBuffer) { bufferG2.clearRect(0, 0, this.chartBufferWidth, this.chartBufferHeight); } if (scale) { AffineTransform saved = bufferG2.getTransform(); AffineTransform st = AffineTransform.getScaleInstance(this.scaleX, this.scaleY); bufferG2.transform(st); this.chart.draw(bufferG2, chartArea, this.anchor, this.info); bufferG2.setTransform(saved); } else { this.chart.draw(bufferG2, bufferArea, this.anchor, this.info); } } // zap the buffer onto the panel... g2.drawImage(this.chartBuffer, insets.left, insets.top, this); } // or redrawing the chart every time... else { AffineTransform saved = g2.getTransform(); g2.translate(insets.left, insets.top); if (scale) { AffineTransform st = AffineTransform.getScaleInstance(this.scaleX, this.scaleY); g2.transform(st); } this.chart.draw(g2, chartArea, this.anchor, this.info); g2.setTransform(saved); } // Redraw the zoom rectangle (if present) drawZoomRectangle(g2); g2.dispose(); this.anchor = null; this.verticalTraceLine = null; this.horizontalTraceLine = null; }
From source file:com.rapidminer.gui.plotter.charts.AbstractChartPanel.java
/** * Paints the component by drawing the chart to fill the entire component, but allowing for the * insets (which will be non-zero if a border has been set for this component). To increase * performance (at the expense of memory), an off-screen buffer image can be used. * //from www . j a v a 2 s . com * @param g * the graphics device for drawing on. */ @Override public void paintComponent(Graphics g) { if (this.chart == null) { return; } Graphics2D g2 = (Graphics2D) g.create(); // first determine the size of the chart rendering area... Dimension size = getSize(); Insets insets = getInsets(); Rectangle2D available = new Rectangle2D.Double(insets.left, insets.top, size.getWidth() - insets.left - insets.right, size.getHeight() - insets.top - insets.bottom); // work out if scaling is required... boolean scale = false; double drawWidth = available.getWidth(); double drawHeight = available.getHeight(); this.scaleX = 1.0; this.scaleY = 1.0; if (drawWidth < this.minimumDrawWidth) { this.scaleX = drawWidth / this.minimumDrawWidth; drawWidth = this.minimumDrawWidth; scale = true; } else if (drawWidth > this.maximumDrawWidth) { this.scaleX = drawWidth / this.maximumDrawWidth; drawWidth = this.maximumDrawWidth; scale = true; } if (drawHeight < this.minimumDrawHeight) { this.scaleY = drawHeight / this.minimumDrawHeight; drawHeight = this.minimumDrawHeight; scale = true; } else if (drawHeight > this.maximumDrawHeight) { this.scaleY = drawHeight / this.maximumDrawHeight; drawHeight = this.maximumDrawHeight; scale = true; } Rectangle2D chartArea = new Rectangle2D.Double(0.0, 0.0, drawWidth, drawHeight); // redrawing the chart every time... AffineTransform saved = g2.getTransform(); g2.translate(insets.left, insets.top); if (scale) { AffineTransform st = AffineTransform.getScaleInstance(this.scaleX, this.scaleY); g2.transform(st); } this.chart.draw(g2, chartArea, this.anchor, this.info); g2.setTransform(saved); Iterator<Overlay> iterator = this.overlays.iterator(); while (iterator.hasNext()) { Overlay overlay = iterator.next(); overlay.paintOverlay(g2, this); } // redraw the zoom rectangle (if present) - if useBuffer is false, // we use XOR so we can XOR the rectangle away again without redrawing // the chart drawSelectionRectangle(g2); g2.dispose(); this.anchor = null; this.verticalTraceLine = null; this.horizontalTraceLine = null; }
From source file:org.apache.ofbiz.common.CommonEvents.java
public static String getCaptcha(HttpServletRequest request, HttpServletResponse response) { try {//from ww w . ja va 2s.co m Delegator delegator = (Delegator) request.getAttribute("delegator"); final String captchaSizeConfigName = StringUtils.defaultIfEmpty(request.getParameter("captchaSize"), "default"); final String captchaSizeConfig = EntityUtilProperties.getPropertyValue("captcha", "captcha." + captchaSizeConfigName, delegator); final String[] captchaSizeConfigs = captchaSizeConfig.split("\\|"); final String captchaCodeId = StringUtils.defaultIfEmpty(request.getParameter("captchaCodeId"), ""); // this is used to uniquely identify in the user session the attribute where the captcha code for the last captcha for the form is stored final int fontSize = Integer.parseInt(captchaSizeConfigs[0]); final int height = Integer.parseInt(captchaSizeConfigs[1]); final int width = Integer.parseInt(captchaSizeConfigs[2]); final int charsToPrint = UtilProperties.getPropertyAsInteger("captcha", "captcha.code_length", 6); final char[] availableChars = EntityUtilProperties .getPropertyValue("captcha", "captcha.characters", delegator).toCharArray(); //It is possible to pass the font size, image width and height with the request as well Color backgroundColor = Color.gray; Color borderColor = Color.DARK_GRAY; Color textColor = Color.ORANGE; Color circleColor = new Color(160, 160, 160); Font textFont = new Font("Arial", Font.PLAIN, fontSize); int circlesToDraw = 6; float horizMargin = 20.0f; double rotationRange = 0.7; // in radians BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); Graphics2D g = (Graphics2D) bufferedImage.getGraphics(); g.setColor(backgroundColor); g.fillRect(0, 0, width, height); //Generating some circles for background noise g.setColor(circleColor); for (int i = 0; i < circlesToDraw; i++) { int circleRadius = (int) (Math.random() * height / 2.0); int circleX = (int) (Math.random() * width - circleRadius); int circleY = (int) (Math.random() * height - circleRadius); g.drawOval(circleX, circleY, circleRadius * 2, circleRadius * 2); } g.setColor(textColor); g.setFont(textFont); FontMetrics fontMetrics = g.getFontMetrics(); int maxAdvance = fontMetrics.getMaxAdvance(); int fontHeight = fontMetrics.getHeight(); String captchaCode = RandomStringUtils.random(6, availableChars); float spaceForLetters = -horizMargin * 2 + width; float spacePerChar = spaceForLetters / (charsToPrint - 1.0f); for (int i = 0; i < captchaCode.length(); i++) { // this is a separate canvas used for the character so that // we can rotate it independently int charWidth = fontMetrics.charWidth(captchaCode.charAt(i)); int charDim = Math.max(maxAdvance, fontHeight); int halfCharDim = (charDim / 2); BufferedImage charImage = new BufferedImage(charDim, charDim, BufferedImage.TYPE_INT_ARGB); Graphics2D charGraphics = charImage.createGraphics(); charGraphics.translate(halfCharDim, halfCharDim); double angle = (Math.random() - 0.5) * rotationRange; charGraphics.transform(AffineTransform.getRotateInstance(angle)); charGraphics.translate(-halfCharDim, -halfCharDim); charGraphics.setColor(textColor); charGraphics.setFont(textFont); int charX = (int) (0.5 * charDim - 0.5 * charWidth); charGraphics.drawString("" + captchaCode.charAt(i), charX, ((charDim - fontMetrics.getAscent()) / 2 + fontMetrics.getAscent())); float x = horizMargin + spacePerChar * (i) - charDim / 2.0f; int y = ((height - charDim) / 2); g.drawImage(charImage, (int) x, y, charDim, charDim, null, null); charGraphics.dispose(); } // Drawing the image border g.setColor(borderColor); g.drawRect(0, 0, width - 1, height - 1); g.dispose(); response.setContentType("image/jpeg"); ImageIO.write(bufferedImage, "jpg", response.getOutputStream()); HttpSession session = request.getSession(); Map<String, String> captchaCodeMap = UtilGenerics.checkMap(session.getAttribute("_CAPTCHA_CODE_")); if (captchaCodeMap == null) { captchaCodeMap = new HashMap<String, String>(); session.setAttribute("_CAPTCHA_CODE_", captchaCodeMap); } captchaCodeMap.put(captchaCodeId, captchaCode); } catch (Exception ioe) { Debug.logError(ioe.getMessage(), module); } return "success"; }
From source file:org.apache.pdfbox.pdmodel.font.PDSimpleFont.java
/** * This will draw a string on a canvas using the font. * * @param g2d The graphics to draw onto. * @param at The transformation matrix with all information for scaling and shearing of the font. * @param x The x coordinate to draw at. * @param y The y coordinate to draw at. * @param glyphs The GlyphVector containing the glyphs to be drawn. * *//*from w w w .j a v a 2 s . c om*/ protected void writeFont(final Graphics2D g2d, final AffineTransform at, final float x, final float y, final GlyphVector glyphs) { // check if we have a rotation if (!at.isIdentity()) { try { AffineTransform atInv = at.createInverse(); // do only apply the size of the transform, rotation will be realized by rotating the graphics, // otherwise the hp printers will not render the font // apply the transformation to the graphics, which should be the same as applying the // transformation itself to the text g2d.transform(at); // translate the coordinates Point2D.Float newXy = new Point2D.Float(x, y); atInv.transform(new Point2D.Float(x, y), newXy); g2d.drawGlyphVector(glyphs, (float) newXy.getX(), (float) newXy.getY()); // restore the original transformation g2d.transform(atInv); } catch (NoninvertibleTransformException e) { LOG.error("Error in " + getClass().getName() + ".writeFont", e); } } else { g2d.drawGlyphVector(glyphs, x, y); } }