src/demo/share/jfc/J2Ddemo/java2d/demos/Clipping/Text.java - platform/libcore - Git at Google

 /*
  *
  * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  *   - Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  *
  *   - Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  *   - Neither the name of Oracle nor the names of its
  *     contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 package java2d.demos.Clipping;


 import static java.awt.Color.BLACK;
 import static java.awt.Color.BLUE;
 import static java.awt.Color.CYAN;
 import static java.awt.Color.GRAY;
 import static java.awt.Color.RED;
 import static java.awt.Color.WHITE;
 import static java.awt.Color.YELLOW;
 import java.awt.BasicStroke;
 import java.awt.Component;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.GradientPaint;
 import java.awt.Graphics2D;
 import java.awt.Image;
 import java.awt.Rectangle;
 import java.awt.Shape;
 import java.awt.TexturePaint;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.font.FontRenderContext;
 import java.awt.font.TextLayout;
 import java.awt.geom.AffineTransform;
 import java.awt.geom.Line2D;
 import java.awt.image.BufferedImage;
 import java2d.ControlsSurface;
 import java2d.CustomControls;
 import javax.swing.AbstractButton;
 import javax.swing.JToggleButton;
 import javax.swing.JToolBar;


 /**
  * Clipping an image, lines, text, texture and gradient with text.
  */
 @SuppressWarnings("serial")
 public class Text extends ControlsSurface {

     /**
      *
      */
     static Image img;
     static TexturePaint texturePaint;

     static {
         BufferedImage bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
         Graphics2D big = bi.createGraphics();
         big.setBackground(YELLOW);
         big.clearRect(0, 0, 5, 5);
         big.setColor(RED);
         big.fillRect(0, 0, 3, 3);
         texturePaint = new TexturePaint(bi, new Rectangle(0, 0, 5, 5));
     }
     private String clipType = "Lines";
     protected boolean doClip = true;

     public Text() {
         setBackground(WHITE);
         img = getImage("clouds.jpg");
         setControls(new Component[] { new DemoControls(this) });
     }

     @Override
     public void render(int w, int h, Graphics2D g2) {

         FontRenderContext frc = g2.getFontRenderContext();
         Font f = new Font(Font.SANS_SERIF, Font.BOLD, 32);
         String s = "JDK";
         TextLayout tl = new TextLayout(s, f, frc);
         double sw = tl.getBounds().getWidth();
         double sh = tl.getBounds().getHeight();
         double sx = (w - 40) / sw;
         double sy = (h - 40) / sh;
         AffineTransform Tx = AffineTransform.getScaleInstance(sx, sy);
         Shape shape = tl.getOutline(Tx);
         sw = shape.getBounds().getWidth();
         sh = shape.getBounds().getHeight();
         Tx =
                 AffineTransform.getTranslateInstance(w / 2 - sw / 2, h / 2 + sh
                 / 2);
         shape = Tx.createTransformedShape(shape);
         Rectangle r = shape.getBounds();

         if (doClip) {
             g2.clip(shape);
         }

         if (clipType.equals("Lines")) {
             g2.setColor(BLACK);
             g2.fill(r);
             g2.setColor(YELLOW);
             g2.setStroke(new BasicStroke(1.5f));
             for (int j = r.y; j < r.y + r.height; j = j + 3) {
                 Line2D line = new Line2D.Float(r.x, j,
                         (r.x + r.width), j);
                 g2.draw(line);
             }
         } else if (clipType.equals("Image")) {
             g2.drawImage(img, r.x, r.y, r.width, r.height, null);
         } else if (clipType.equals("TP")) {
             g2.setPaint(texturePaint);
             g2.fill(r);
         } else if (clipType.equals("GP")) {
             g2.setPaint(new GradientPaint(0, 0, BLUE, w, h, YELLOW));
             g2.fill(r);
         } else if (clipType.equals("Text")) {
             g2.setColor(BLACK);
             g2.fill(shape.getBounds());
             g2.setColor(CYAN);
             f = new Font(Font.SERIF, Font.BOLD, 10);
             tl = new TextLayout("OpenJDK", f, frc);
             sw = tl.getBounds().getWidth();

             int x = r.x;
             int y = (int) (r.y + tl.getAscent());
             sh = r.y + r.height;
             while (y < sh) {
                 tl.draw(g2, x, y);
                 if ((x += (int) sw) > (r.x + r.width)) {
                     x = r.x;
                     y += (int) tl.getAscent();
                 }
             }
         }
         g2.setClip(new Rectangle(0, 0, w, h));

         g2.setColor(GRAY);
         g2.draw(shape);
     }

     public static void main(String s[]) {
         createDemoFrame(new Text());
     }


     @SuppressWarnings("serial")
     static final class DemoControls extends CustomControls implements
             ActionListener {

         Text demo;
         JToolBar toolbar;

         public DemoControls(Text demo) {
             super(demo.name);
             this.demo = demo;
             add(toolbar = new JToolBar());
             toolbar.setFloatable(false);
             addTool("Clip", true);
             addTool("Lines", true);
             addTool("Image", false);
             addTool("TP", false);
             addTool("GP", false);
             addTool("Text", false);
         }

         public void addTool(String str, boolean state) {
             JToggleButton b =
                     (JToggleButton) toolbar.add(new JToggleButton(str));
             b.setFocusPainted(false);
             b.setSelected(state);
             b.addActionListener(this);
             int width = b.getPreferredSize().width;
             Dimension prefSize = new Dimension(width, 21);
             b.setPreferredSize(prefSize);
             b.setMaximumSize(prefSize);
             b.setMinimumSize(prefSize);
         }

         @Override
         public void actionPerformed(ActionEvent e) {
             if (e.getSource().equals(toolbar.getComponentAtIndex(0))) {
                 JToggleButton b = (JToggleButton) e.getSource();
                 demo.doClip = b.isSelected();
             } else {
                 for (Component comp : toolbar.getComponents()) {
                     ((JToggleButton) comp).setSelected(false);
                 }
                 JToggleButton b = (JToggleButton) e.getSource();
                 b.setSelected(true);
                 demo.clipType = b.getText();
             }
             demo.repaint();
         }

         @Override
         public Dimension getPreferredSize() {
             return new Dimension(200, 40);
         }

         @Override
         @SuppressWarnings("SleepWhileHoldingLock")
         public void run() {
             try {
                 Thread.sleep(1111);
             } catch (Exception e) {
                 return;
             }
             Thread me = Thread.currentThread();
             while (thread == me) {
                 for (int i = 1; i < toolbar.getComponentCount() - 1; i++) {
                     ((AbstractButton) toolbar.getComponentAtIndex(i)).doClick();
                     try {
                         Thread.sleep(4444);
                     } catch (InterruptedException e) {
                         return;
                     }
                 }
             }
             thread = null;
         }
     } // End DemoControls
 } // End Text
	/*
	*
	* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	*
	* - Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	*
	* - Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* - Neither the name of Oracle nor the names of its
	* contributors may be used to endorse or promote products derived
	* from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
	* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
	* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/
	package java2d.demos.Clipping;


	import static java.awt.Color.BLACK;
	import static java.awt.Color.BLUE;
	import static java.awt.Color.CYAN;
	import static java.awt.Color.GRAY;
	import static java.awt.Color.RED;
	import static java.awt.Color.WHITE;
	import static java.awt.Color.YELLOW;
	import java.awt.BasicStroke;
	import java.awt.Component;
	import java.awt.Dimension;
	import java.awt.Font;
	import java.awt.GradientPaint;
	import java.awt.Graphics2D;
	import java.awt.Image;
	import java.awt.Rectangle;
	import java.awt.Shape;
	import java.awt.TexturePaint;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.awt.font.FontRenderContext;
	import java.awt.font.TextLayout;
	import java.awt.geom.AffineTransform;
	import java.awt.geom.Line2D;
	import java.awt.image.BufferedImage;
	import java2d.ControlsSurface;
	import java2d.CustomControls;
	import javax.swing.AbstractButton;
	import javax.swing.JToggleButton;
	import javax.swing.JToolBar;


	/**
	* Clipping an image, lines, text, texture and gradient with text.
	*/
	@SuppressWarnings("serial")
	public class Text extends ControlsSurface {

	/**
	*
	*/
	static Image img;
	static TexturePaint texturePaint;

	static {
	BufferedImage bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
	Graphics2D big = bi.createGraphics();
	big.setBackground(YELLOW);
	big.clearRect(0, 0, 5, 5);
	big.setColor(RED);
	big.fillRect(0, 0, 3, 3);
	texturePaint = new TexturePaint(bi, new Rectangle(0, 0, 5, 5));
	}
	private String clipType = "Lines";
	protected boolean doClip = true;

	public Text() {
	setBackground(WHITE);
	img = getImage("clouds.jpg");
	setControls(new Component[] { new DemoControls(this) });
	}

	@Override
	public void render(int w, int h, Graphics2D g2) {

	FontRenderContext frc = g2.getFontRenderContext();
	Font f = new Font(Font.SANS_SERIF, Font.BOLD, 32);
	String s = "JDK";
	TextLayout tl = new TextLayout(s, f, frc);
	double sw = tl.getBounds().getWidth();
	double sh = tl.getBounds().getHeight();
	double sx = (w - 40) / sw;
	double sy = (h - 40) / sh;
	AffineTransform Tx = AffineTransform.getScaleInstance(sx, sy);
	Shape shape = tl.getOutline(Tx);
	sw = shape.getBounds().getWidth();
	sh = shape.getBounds().getHeight();
	Tx =
	AffineTransform.getTranslateInstance(w / 2 - sw / 2, h / 2 + sh
	/ 2);
	shape = Tx.createTransformedShape(shape);
	Rectangle r = shape.getBounds();

	if (doClip) {
	g2.clip(shape);
	}

	if (clipType.equals("Lines")) {
	g2.setColor(BLACK);
	g2.fill(r);
	g2.setColor(YELLOW);
	g2.setStroke(new BasicStroke(1.5f));
	for (int j = r.y; j < r.y + r.height; j = j + 3) {
	Line2D line = new Line2D.Float(r.x, j,
	(r.x + r.width), j);
	g2.draw(line);
	}
	} else if (clipType.equals("Image")) {
	g2.drawImage(img, r.x, r.y, r.width, r.height, null);
	} else if (clipType.equals("TP")) {
	g2.setPaint(texturePaint);
	g2.fill(r);
	} else if (clipType.equals("GP")) {
	g2.setPaint(new GradientPaint(0, 0, BLUE, w, h, YELLOW));
	g2.fill(r);
	} else if (clipType.equals("Text")) {
	g2.setColor(BLACK);
	g2.fill(shape.getBounds());
	g2.setColor(CYAN);
	f = new Font(Font.SERIF, Font.BOLD, 10);
	tl = new TextLayout("OpenJDK", f, frc);
	sw = tl.getBounds().getWidth();

	int x = r.x;
	int y = (int) (r.y + tl.getAscent());
	sh = r.y + r.height;
	while (y < sh) {
	tl.draw(g2, x, y);
	if ((x += (int) sw) > (r.x + r.width)) {
	x = r.x;
	y += (int) tl.getAscent();
	}
	}
	}
	g2.setClip(new Rectangle(0, 0, w, h));

	g2.setColor(GRAY);
	g2.draw(shape);
	}

	public static void main(String s[]) {
	createDemoFrame(new Text());
	}


	@SuppressWarnings("serial")
	static final class DemoControls extends CustomControls implements
	ActionListener {

	Text demo;
	JToolBar toolbar;

	public DemoControls(Text demo) {
	super(demo.name);
	this.demo = demo;
	add(toolbar = new JToolBar());
	toolbar.setFloatable(false);
	addTool("Clip", true);
	addTool("Lines", true);
	addTool("Image", false);
	addTool("TP", false);
	addTool("GP", false);
	addTool("Text", false);
	}

	public void addTool(String str, boolean state) {
	JToggleButton b =
	(JToggleButton) toolbar.add(new JToggleButton(str));
	b.setFocusPainted(false);
	b.setSelected(state);
	b.addActionListener(this);
	int width = b.getPreferredSize().width;
	Dimension prefSize = new Dimension(width, 21);
	b.setPreferredSize(prefSize);
	b.setMaximumSize(prefSize);
	b.setMinimumSize(prefSize);
	}

	@Override
	public void actionPerformed(ActionEvent e) {
	if (e.getSource().equals(toolbar.getComponentAtIndex(0))) {
	JToggleButton b = (JToggleButton) e.getSource();
	demo.doClip = b.isSelected();
	} else {
	for (Component comp : toolbar.getComponents()) {
	((JToggleButton) comp).setSelected(false);
	}
	JToggleButton b = (JToggleButton) e.getSource();
	b.setSelected(true);
	demo.clipType = b.getText();
	}
	demo.repaint();
	}

	@Override
	public Dimension getPreferredSize() {
	return new Dimension(200, 40);
	}

	@Override
	@SuppressWarnings("SleepWhileHoldingLock")
	public void run() {
	try {
	Thread.sleep(1111);
	} catch (Exception e) {
	return;
	}
	Thread me = Thread.currentThread();
	while (thread == me) {
	for (int i = 1; i < toolbar.getComponentCount() - 1; i++) {
	((AbstractButton) toolbar.getComponentAtIndex(i)).doClick();
	try {
	Thread.sleep(4444);
	} catch (InterruptedException e) {
	return;
	}
	}
	}
	thread = null;
	}
	} // End DemoControls
	} // End Text