src/demo/share/jfc/J2Ddemo/java2d/TextureChooser.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;


 import static java.awt.Color.GRAY;
 import static java.awt.Color.GREEN;
 import static java.awt.Color.LIGHT_GRAY;
 import static java.awt.Color.WHITE;
 import java.awt.BasicStroke;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.Frame;
 import java.awt.GradientPaint;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.GridLayout;
 import java.awt.Image;
 import java.awt.Rectangle;
 import java.awt.TexturePaint;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.awt.font.FontRenderContext;
 import java.awt.font.TextLayout;
 import java.awt.geom.Ellipse2D;
 import java.awt.image.BufferedImage;
 import javax.swing.JPanel;
 import javax.swing.border.EtchedBorder;
 import javax.swing.border.TitledBorder;


 /**
  * Four types of Paint displayed: Geometry, Text & Image Textures and
  * a Gradient Paint.  Paints can be selected with the Mouse.
  */
 @SuppressWarnings("serial")
 public final class TextureChooser extends JPanel {
     private final DemoInstVarsAccessor demoInstVars;
     public Object texture = getGeomTexture();
     public int num;

     public TextureChooser(int num, DemoInstVarsAccessor demoInstVars) {
         this.num = num;
         this.demoInstVars = demoInstVars;

         setLayout(new GridLayout(0, 2, 5, 5));
         setBorder(new TitledBorder(new EtchedBorder(), "Texture Chooser"));

         add(new Surface(getGeomTexture(), this, 0));
         add(new Surface(getImageTexture(), this, 1));
         add(new Surface(getTextTexture(), this, 2));
         add(new Surface(getGradientPaint(), this, 3));
     }

     public static TexturePaint getGeomTexture() {
         BufferedImage bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
         Graphics2D tG2 = bi.createGraphics();
         tG2.setBackground(WHITE);
         tG2.clearRect(0, 0, 5, 5);
         tG2.setColor(new Color(211, 211, 211, 200));
         tG2.fill(new Ellipse2D.Float(0, 0, 5, 5));
         Rectangle r = new Rectangle(0, 0, 5, 5);
         return new TexturePaint(bi, r);
     }

     public TexturePaint getImageTexture() {
         Image img = DemoImages.getImage("globe.png", this);
         int sw = img.getWidth(this);
         int sh = img.getHeight(this);
         int iw = sw/5;
         int ih = sh/5;
         BufferedImage bi =
              new BufferedImage(iw, ih, BufferedImage.TYPE_INT_ARGB);
         Graphics2D tG2 = bi.createGraphics();
         tG2.drawImage(img, 0, 0, iw, ih, 0, 0, sw, sh, this);
         Rectangle r = new Rectangle(0, 0, iw, ih);
         return new TexturePaint(bi, r);
     }

     public TexturePaint getTextTexture() {
         Font f = new Font(Font.SERIF, Font.BOLD, 10);
         TextLayout tl = new TextLayout("OpenJDK", f, new FontRenderContext(null,
                 false, false));
         int sw = (int) tl.getBounds().getWidth();
         int sh = (int) (tl.getAscent() + tl.getDescent());
         BufferedImage bi = new BufferedImage(sw, sh, BufferedImage.TYPE_INT_RGB);
         Graphics2D tG2 = bi.createGraphics();
         tG2.setBackground(WHITE);
         tG2.clearRect(0, 0, sw, sh);
         tG2.setColor(LIGHT_GRAY);
         tl.draw(tG2, 0, tl.getAscent());
         Rectangle r = new Rectangle(0, 0, sw, sh);
         return new TexturePaint(bi, r);
     }

     public GradientPaint getGradientPaint() {
         return new GradientPaint(0, 0, WHITE, 80, 0, GREEN);
     }


     public class Surface extends JPanel {

         public boolean clickedFrame;
         private int num;
         private TextureChooser tc;
         private boolean enterExitFrame = false;
         private Object t;

         public Surface(final Object t, final TextureChooser tc, int num) {
             setBackground(WHITE);
             this.t = t;
             this.tc = tc;
             this.clickedFrame = (num == tc.num);
             this.num = num;
             if (num == tc.num) {
                 tc.texture = t;
             }
             addMouseListener(new MouseAdapter() {

                 @Override
                 public void mouseClicked(MouseEvent e) {
                     tc.texture = t;
                     clickedFrame = true;

                     for (Component comp : tc.getComponents()) {
                         if (comp instanceof Surface) {
                             Surface surf = (Surface) comp;
                             if (!surf.equals(Surface.this) && surf.clickedFrame) {
                                 surf.clickedFrame = false;
                                 surf.repaint();
                             }
                         }
                     }

                     // ABP
                     if (demoInstVars.getControls().textureCB.isSelected()) {
                         demoInstVars.getControls().textureCB.doClick();
                         demoInstVars.getControls().textureCB.doClick();
                     }
                 }

                 @Override
                 public void mouseEntered(MouseEvent e) {
                     enterExitFrame = true;
                     repaint();
                 }

                 @Override
                 public void mouseExited(MouseEvent e) {
                     enterExitFrame = false;
                     repaint();
                 }
             });
         }

         @Override
         public void paintComponent(Graphics g) {
             super.paintComponent(g);
             Graphics2D g2 = (Graphics2D) g;
             int w = getSize().width;
             int h = getSize().height;
             if (t instanceof TexturePaint) {
                 g2.setPaint((TexturePaint) t);
             } else {
                 g2.setPaint((GradientPaint) t);
             }
             g2.fill(new Rectangle(0, 0, w, h));
             if (clickedFrame || enterExitFrame) {
                 g2.setColor(GRAY);
                 BasicStroke bs = new BasicStroke(3, BasicStroke.CAP_BUTT,
                         BasicStroke.JOIN_MITER);
                 g2.setStroke(bs);
                 g2.drawRect(0, 0, w - 1, h - 1);
                 tc.num = num;
             }
         }

         @Override
         public Dimension getMinimumSize() {
             return getPreferredSize();
         }

         @Override
         public Dimension getMaximumSize() {
             return getPreferredSize();
         }

         @Override
         public Dimension getPreferredSize() {
             return new Dimension(30, 30);
         }
     }

     public static void main(String s[]) {
         Frame f = new Frame("J2D Demo - TextureChooser");
         f.addWindowListener(new WindowAdapter() {

             @Override
             public void windowClosing(WindowEvent e) {
                 System.exit(0);
             }
         });
         f.add("Center", new TextureChooser(0, new DemoInstVarsAccessorImplBase()));
         f.pack();
         f.setSize(new Dimension(400, 400));
         f.setVisible(true);
     }
 }
	/*
	*
	* 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;


	import static java.awt.Color.GRAY;
	import static java.awt.Color.GREEN;
	import static java.awt.Color.LIGHT_GRAY;
	import static java.awt.Color.WHITE;
	import java.awt.BasicStroke;
	import java.awt.Color;
	import java.awt.Component;
	import java.awt.Dimension;
	import java.awt.Font;
	import java.awt.Frame;
	import java.awt.GradientPaint;
	import java.awt.Graphics;
	import java.awt.Graphics2D;
	import java.awt.GridLayout;
	import java.awt.Image;
	import java.awt.Rectangle;
	import java.awt.TexturePaint;
	import java.awt.event.MouseAdapter;
	import java.awt.event.MouseEvent;
	import java.awt.event.WindowAdapter;
	import java.awt.event.WindowEvent;
	import java.awt.font.FontRenderContext;
	import java.awt.font.TextLayout;
	import java.awt.geom.Ellipse2D;
	import java.awt.image.BufferedImage;
	import javax.swing.JPanel;
	import javax.swing.border.EtchedBorder;
	import javax.swing.border.TitledBorder;


	/**
	* Four types of Paint displayed: Geometry, Text & Image Textures and
	* a Gradient Paint. Paints can be selected with the Mouse.
	*/
	@SuppressWarnings("serial")
	public final class TextureChooser extends JPanel {
	private final DemoInstVarsAccessor demoInstVars;
	public Object texture = getGeomTexture();
	public int num;

	public TextureChooser(int num, DemoInstVarsAccessor demoInstVars) {
	this.num = num;
	this.demoInstVars = demoInstVars;

	setLayout(new GridLayout(0, 2, 5, 5));
	setBorder(new TitledBorder(new EtchedBorder(), "Texture Chooser"));

	add(new Surface(getGeomTexture(), this, 0));
	add(new Surface(getImageTexture(), this, 1));
	add(new Surface(getTextTexture(), this, 2));
	add(new Surface(getGradientPaint(), this, 3));
	}

	public static TexturePaint getGeomTexture() {
	BufferedImage bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
	Graphics2D tG2 = bi.createGraphics();
	tG2.setBackground(WHITE);
	tG2.clearRect(0, 0, 5, 5);
	tG2.setColor(new Color(211, 211, 211, 200));
	tG2.fill(new Ellipse2D.Float(0, 0, 5, 5));
	Rectangle r = new Rectangle(0, 0, 5, 5);
	return new TexturePaint(bi, r);
	}

	public TexturePaint getImageTexture() {
	Image img = DemoImages.getImage("globe.png", this);
	int sw = img.getWidth(this);
	int sh = img.getHeight(this);
	int iw = sw/5;
	int ih = sh/5;
	BufferedImage bi =
	new BufferedImage(iw, ih, BufferedImage.TYPE_INT_ARGB);
	Graphics2D tG2 = bi.createGraphics();
	tG2.drawImage(img, 0, 0, iw, ih, 0, 0, sw, sh, this);
	Rectangle r = new Rectangle(0, 0, iw, ih);
	return new TexturePaint(bi, r);
	}

	public TexturePaint getTextTexture() {
	Font f = new Font(Font.SERIF, Font.BOLD, 10);
	TextLayout tl = new TextLayout("OpenJDK", f, new FontRenderContext(null,
	false, false));
	int sw = (int) tl.getBounds().getWidth();
	int sh = (int) (tl.getAscent() + tl.getDescent());
	BufferedImage bi = new BufferedImage(sw, sh, BufferedImage.TYPE_INT_RGB);
	Graphics2D tG2 = bi.createGraphics();
	tG2.setBackground(WHITE);
	tG2.clearRect(0, 0, sw, sh);
	tG2.setColor(LIGHT_GRAY);
	tl.draw(tG2, 0, tl.getAscent());
	Rectangle r = new Rectangle(0, 0, sw, sh);
	return new TexturePaint(bi, r);
	}

	public GradientPaint getGradientPaint() {
	return new GradientPaint(0, 0, WHITE, 80, 0, GREEN);
	}


	public class Surface extends JPanel {

	public boolean clickedFrame;
	private int num;
	private TextureChooser tc;
	private boolean enterExitFrame = false;
	private Object t;

	public Surface(final Object t, final TextureChooser tc, int num) {
	setBackground(WHITE);
	this.t = t;
	this.tc = tc;
	this.clickedFrame = (num == tc.num);
	this.num = num;
	if (num == tc.num) {
	tc.texture = t;
	}
	addMouseListener(new MouseAdapter() {

	@Override
	public void mouseClicked(MouseEvent e) {
	tc.texture = t;
	clickedFrame = true;

	for (Component comp : tc.getComponents()) {
	if (comp instanceof Surface) {
	Surface surf = (Surface) comp;
	if (!surf.equals(Surface.this) && surf.clickedFrame) {
	surf.clickedFrame = false;
	surf.repaint();
	}
	}
	}

	// ABP
	if (demoInstVars.getControls().textureCB.isSelected()) {
	demoInstVars.getControls().textureCB.doClick();
	demoInstVars.getControls().textureCB.doClick();
	}
	}

	@Override
	public void mouseEntered(MouseEvent e) {
	enterExitFrame = true;
	repaint();
	}

	@Override
	public void mouseExited(MouseEvent e) {
	enterExitFrame = false;
	repaint();
	}
	});
	}

	@Override
	public void paintComponent(Graphics g) {
	super.paintComponent(g);
	Graphics2D g2 = (Graphics2D) g;
	int w = getSize().width;
	int h = getSize().height;
	if (t instanceof TexturePaint) {
	g2.setPaint((TexturePaint) t);
	} else {
	g2.setPaint((GradientPaint) t);
	}
	g2.fill(new Rectangle(0, 0, w, h));
	if (clickedFrame \|\| enterExitFrame) {
	g2.setColor(GRAY);
	BasicStroke bs = new BasicStroke(3, BasicStroke.CAP_BUTT,
	BasicStroke.JOIN_MITER);
	g2.setStroke(bs);
	g2.drawRect(0, 0, w - 1, h - 1);
	tc.num = num;
	}
	}

	@Override
	public Dimension getMinimumSize() {
	return getPreferredSize();
	}

	@Override
	public Dimension getMaximumSize() {
	return getPreferredSize();
	}

	@Override
	public Dimension getPreferredSize() {
	return new Dimension(30, 30);
	}
	}

	public static void main(String s[]) {
	Frame f = new Frame("J2D Demo - TextureChooser");
	f.addWindowListener(new WindowAdapter() {

	@Override
	public void windowClosing(WindowEvent e) {
	System.exit(0);
	}
	});
	f.add("Center", new TextureChooser(0, new DemoInstVarsAccessorImplBase()));
	f.pack();
	f.setSize(new Dimension(400, 400));
	f.setVisible(true);
	}
	}