List of usage examples for java.awt Graphics2D setRenderingHint
public abstract void setRenderingHint(Key hintKey, Object hintValue);
From source file:ImageOpByRomain.java
/** * <p>//from w w w . j ava 2 s .c o m * Returns a thumbnail of a source image. * </p> * <p> * This method offers a good trade-off between speed and quality. The result * looks better than * {@link #createThumbnailFast(java.awt.image.BufferedImage, int)} when the * new size is less than half the longest dimension of the source image, yet * the rendering speed is almost similar. * </p> * * @see #createThumbnailFast(java.awt.image.BufferedImage, int) * @see #createThumbnailFast(java.awt.image.BufferedImage, int, int) * @see #createThumbnail(java.awt.image.BufferedImage, int) * @param image * the source image * @param newWidth * the width of the thumbnail * @param newHeight * the height of the thumbnail * @return a new compatible <code>BufferedImage</code> containing a * thumbnail of <code>image</code> * @throws IllegalArgumentException * if <code>newWidth</code> is larger than the width of * <code>image</code> or if code>newHeight</code> is larger * than the height of <code>image or if one the dimensions is not * > 0</code> */ public static BufferedImage createThumbnail(BufferedImage image, int newWidth, int newHeight) { int width = image.getWidth(); int height = image.getHeight(); if (newWidth >= width || newHeight >= height) { throw new IllegalArgumentException( "newWidth and newHeight cannot" + " be greater than the image" + " dimensions"); } else if (newWidth <= 0 || newHeight <= 0) { throw new IllegalArgumentException("newWidth and newHeight must" + " be greater than 0"); } BufferedImage thumb = image; do { if (width > newWidth) { width /= 2; if (width < newWidth) { width = newWidth; } } if (height > newHeight) { height /= 2; if (height < newHeight) { height = newHeight; } } BufferedImage temp = createCompatibleImage(image, width, height); Graphics2D g2 = temp.createGraphics(); g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); g2.drawImage(thumb, 0, 0, temp.getWidth(), temp.getHeight(), null); g2.dispose(); thumb = temp; } while (width != newWidth || height != newHeight); return thumb; }
From source file:LineMetricsIllustration.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); Font font = new Font("Serif", Font.PLAIN, 72); g2.setFont(font);//from ww w. j a va 2 s . c o m String s = "Java Source and Support"; float x = 50, y = 150; // Draw the baseline. FontRenderContext frc = g2.getFontRenderContext(); float width = (float) font.getStringBounds(s, frc).getWidth(); Line2D baseline = new Line2D.Float(x, y, x + width, y); g2.setPaint(Color.red); g2.draw(baseline); // Draw the ascent. LineMetrics lm = font.getLineMetrics(s, frc); Line2D ascent = new Line2D.Float(x, y - lm.getAscent(), x + width, y - lm.getAscent()); g2.draw(ascent); // Draw the descent. Line2D descent = new Line2D.Float(x, y + lm.getDescent(), x + width, y + lm.getDescent()); g2.draw(descent); // Draw the leading. Line2D leading = new Line2D.Float(x, y + lm.getDescent() + lm.getLeading(), x + width, y + lm.getDescent() + lm.getLeading()); g2.draw(leading); // Render the string. g2.setPaint(Color.black); g2.drawString(s, x, y); }
From source file:IconPaint.java
public void paintComponent(Graphics g) { super.paintComponent(g); setBackground(Color.white);/*from w ww . j ava 2 s .co m*/ Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); g2.drawImage(img, 10, 10, 100, 100, this); }
From source file:FontPaint.java
public void paintComponent(Graphics g) { super.paintComponent(g); setBackground(Color.white);//from w w w. j a v a 2 s . com int width = getSize().width; int height = getSize().height; Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); FontRenderContext frc = g2.getFontRenderContext(); Font f = new Font("Helvetica", 1, 60); String s = new String("Java Source and Support."); TextLayout textTl = new TextLayout(s, f, frc); AffineTransform transform = new AffineTransform(); Shape outline = textTl.getOutline(null); Rectangle outlineBounds = outline.getBounds(); transform = g2.getTransform(); transform.translate(width / 2 - (outlineBounds.width / 2), height / 2 + (outlineBounds.height / 2)); g2.transform(transform); g2.setColor(Color.blue); g2.draw(outline); g2.setClip(outline); }
From source file:MainClass.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); Font font = new Font("Serif", Font.PLAIN, 72); g2.setFont(font);//from www .ja va2 s. c o m String s = "www.java2s.com"; float x = 50, y = 150; FontRenderContext frc = g2.getFontRenderContext(); float width = (float) font.getStringBounds(s, frc).getWidth(); Line2D baseline = new Line2D.Float(x, y, x + width, y); g2.setPaint(Color.lightGray); g2.draw(baseline); // Draw the ascent. LineMetrics lm = font.getLineMetrics(s, frc); Line2D ascent = new Line2D.Float(x, y - lm.getAscent(), x + width, y - lm.getAscent()); g2.draw(ascent); // Draw the descent. Line2D descent = new Line2D.Float(x, y + lm.getDescent(), x + width, y + lm.getDescent()); g2.draw(descent); // Draw the leading. Line2D leading = new Line2D.Float(x, y + lm.getDescent() + lm.getLeading(), x + width, y + lm.getDescent() + lm.getLeading()); g2.draw(leading); // Render the string. g2.setPaint(Color.black); g2.drawString(s, x, y); }
From source file:ImageDuplicity.java
private void createOffscreenImage() { Dimension d = getSize();/*from w ww .ja v a 2 s . com*/ int width = d.width; int height = d.height; image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); try { String filename = "largeJava2sLogo.jpg"; InputStream in = getClass().getResourceAsStream(filename); JPEGImageDecoder decoder = JPEGCodec.createJPEGDecoder(in); BufferedImage image = decoder.decodeAsBufferedImage(); in.close(); g2.drawImage(image, 0, 0, width, height, null); } catch (Exception e) { System.out.print(e); } g2.setStroke(new BasicStroke(2)); Color[] colors = { Color.red, Color.blue, Color.green }; for (int i = -32; i < 40; i += 8) { g2.setPaint(colors[Math.abs(i) % 3]); g2.drawOval(i, i, width - i * 2, height - i * 2); } }
From source file:FontShow.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); Font font = new Font("Dialog", Font.PLAIN, 96); g2.setFont(font);//from w w w . jav a 2 s . c o m int width = getSize().width; int height = getSize().height; String message = "Java2s"; FontRenderContext frc = g2.getFontRenderContext(); LineMetrics metrics = font.getLineMetrics(message, frc); float messageWidth = (float) font.getStringBounds(message, frc).getWidth(); // center text float ascent = metrics.getAscent(); float descent = metrics.getDescent(); float x = (width - messageWidth) / 2; float y = (height + metrics.getHeight()) / 2 - descent; int PAD = 25; g2.setPaint(getBackground()); g2.fillRect(0, 0, width, height); g2.setPaint(getForeground()); g2.drawString(message, x, y); g2.setPaint(Color.white); // Base lines drawLine(g2, x - PAD, y, x + messageWidth + PAD, y); drawLine(g2, x, y + PAD, x, y - ascent - PAD); g2.setPaint(Color.green); // Ascent line drawLine(g2, x - PAD, y - ascent, x + messageWidth + PAD, y - ascent); g2.setPaint(Color.red); // Descent line drawLine(g2, x - PAD, y + descent, x + messageWidth + PAD, y + descent); }
From source file:Hypnosis1.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); Shape s = createShape();/*w w w .ja v a2 s . c o m*/ g2.setPaint(paint); g2.fill(s); g2.setPaint(Color.white); g2.draw(s); }
From source file:IteratorUnderStrike.java
public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; String s = "\"www.java2s.com\" is great."; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); Font plainFont = new Font("Times New Roman", Font.PLAIN, 24); AttributedString as = new AttributedString(s); as.addAttribute(TextAttribute.FONT, plainFont); as.addAttribute(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON, 1, 15); as.addAttribute(TextAttribute.STRIKETHROUGH, TextAttribute.STRIKETHROUGH_ON, 18, 25); g2.drawString(as.getIterator(), 24, 70); }
From source file:ImageOpByRomain.java
/** * <p>// w w w.j a v a 2 s . c o m * Returns a thumbnail of a source image. <code>newSize</code> defines the * length of the longest dimension of the thumbnail. The other dimension is * then computed according to the dimensions ratio of the original picture. * </p> * <p> * This method offers a good trade-off between speed and quality. The result * looks better than * {@link #createThumbnailFast(java.awt.image.BufferedImage, int)} when the * new size is less than half the longest dimension of the source image, yet * the rendering speed is almost similar. * </p> * * @see #createThumbnailFast(java.awt.image.BufferedImage, int, int) * @see #createThumbnailFast(java.awt.image.BufferedImage, int) * @see #createThumbnail(java.awt.image.BufferedImage, int, int) * @param image * the source image * @param newSize * the length of the largest dimension of the thumbnail * @return a new compatible <code>BufferedImage</code> containing a * thumbnail of <code>image</code> * @throws IllegalArgumentException * if <code>newSize</code> is larger than the largest dimension * of <code>image</code> or <= 0 */ public static BufferedImage createThumbnail(BufferedImage image, int newSize) { int width = image.getWidth(); int height = image.getHeight(); boolean isWidthGreater = width > height; if (isWidthGreater) { if (newSize >= width) { throw new IllegalArgumentException("newSize must be lower than" + " the image width"); } } else if (newSize >= height) { throw new IllegalArgumentException("newSize must be lower than" + " the image height"); } if (newSize <= 0) { throw new IllegalArgumentException("newSize must" + " be greater than 0"); } float ratioWH = (float) width / (float) height; float ratioHW = (float) height / (float) width; BufferedImage thumb = image; do { if (isWidthGreater) { width /= 2; if (width < newSize) { width = newSize; } height = (int) (width / ratioWH); } else { height /= 2; if (height < newSize) { height = newSize; } width = (int) (height / ratioHW); } BufferedImage temp = createCompatibleImage(image, width, height); Graphics2D g2 = temp.createGraphics(); g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); g2.drawImage(thumb, 0, 0, temp.getWidth(), temp.getHeight(), null); g2.dispose(); thumb = temp; } while (newSize != (isWidthGreater ? width : height)); return thumb; }