java.awt.Canvas Java Examples

The following examples show how to use java.awt.Canvas. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: Display.java    From New-Beginner-Java-Game-Programming-Src with Creative Commons Zero v1.0 Universal 6 votes vote down vote up
private void createDisplay(){
	frame = new JFrame(title);
	frame.setSize(width, height);
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	frame.setResizable(false);
	frame.setLocationRelativeTo(null);
	frame.setVisible(true);
	
	canvas = new Canvas();
	canvas.setPreferredSize(new Dimension(width, height));
	canvas.setMaximumSize(new Dimension(width, height));
	canvas.setMinimumSize(new Dimension(width, height));
	canvas.setFocusable(false);
	
	frame.add(canvas);
	frame.pack();
}
 
Example #2
Source File: BarcodeDatamatrix.java    From gcs with Mozilla Public License 2.0 6 votes vote down vote up
/**
 * Creates a <CODE>java.awt.Image</CODE>. A successful call to the method
 * <CODE>generate()</CODE> before calling this method is required.
 * 
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */
public java.awt.Image createAwtImage(Color foreground, Color background) {
	if (image == null) {
		return null;
	}
	int f = foreground.getRGB();
	int g = background.getRGB();
	Canvas canvas = new Canvas();

	int w = width + 2 * ws;
	int h = height + 2 * ws;
	int pix[] = new int[w * h];
	int stride = (w + 7) / 8;
	int ptr = 0;
	for (int k = 0; k < h; ++k) {
		int p = k * stride;
		for (int j = 0; j < w; ++j) {
			int b = image[p + j / 8] & 0xff;
			b <<= j % 8;
			pix[ptr++] = (b & 0x80) == 0 ? g : f;
		}
	}
	java.awt.Image img = canvas.createImage(new MemoryImageSource(w, h, pix, 0, w));
	return img;
}
 
Example #3
Source File: Utils.java    From BlindWatermark with Apache License 2.0 6 votes vote down vote up
public static Mat drawNonAscii(String watermark) {
    Font font = new Font("Default", Font.PLAIN, 64);
    FontMetrics metrics = new Canvas().getFontMetrics(font);
    int width = metrics.stringWidth(watermark);
    int height = metrics.getHeight();
    BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
    Graphics2D graphics = bufferedImage.createGraphics();
    graphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    graphics.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
    graphics.setFont(font);
    graphics.setColor(Color.WHITE);
    graphics.drawString(watermark, 0, metrics.getAscent());
    graphics.dispose();
    byte[] pixels = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();
    Mat res = new Mat(bufferedImage.getHeight(), bufferedImage.getWidth(), CV_8U);
    res.put(0, 0, pixels);
    return res;
}
 
Example #4
Source File: bug8032667.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up
@Override
public void init() {
    SwingUtilities.invokeLater(new Runnable() {

        @Override
        public void run() {

            final Image image1 = getImage(getCheckBox("Deselected", false));
            final Image image2 = getImage(getCheckBox("Selected", true));

            Canvas canvas = new Canvas() {

                @Override
                public void paint(Graphics g) {
                    super.paint(g);
                    g.drawImage(image1, 0, 0, scaledWidth, scaledHeight, this);
                    g.drawImage(image2, 0, scaledHeight + 5,
                            scaledWidth, scaledHeight, this);
                }
            };

            getContentPane().add(canvas, BorderLayout.CENTER);
        }
    });
}
 
Example #5
Source File: Display.java    From New-Beginner-Java-Game-Programming-Src with Creative Commons Zero v1.0 Universal 6 votes vote down vote up
private void createDisplay(){
	frame = new JFrame(title);
	frame.setSize(width, height);
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	frame.setResizable(false);
	frame.setLocationRelativeTo(null);
	frame.setVisible(true);
	
	canvas = new Canvas();
	canvas.setPreferredSize(new Dimension(width, height));
	canvas.setMaximumSize(new Dimension(width, height));
	canvas.setMinimumSize(new Dimension(width, height));
	
	frame.add(canvas);
	frame.pack();
}
 
Example #6
Source File: Display.java    From New-Beginner-Java-Game-Programming-Src with Creative Commons Zero v1.0 Universal 6 votes vote down vote up
private void createDisplay(){
	frame = new JFrame(title);
	frame.setSize(width, height);
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	frame.setResizable(false);
	frame.setLocationRelativeTo(null);
	frame.setVisible(true);
	
	canvas = new Canvas();
	canvas.setPreferredSize(new Dimension(width, height));
	canvas.setMaximumSize(new Dimension(width, height));
	canvas.setMinimumSize(new Dimension(width, height));
	canvas.setFocusable(false);
	
	frame.add(canvas);
	frame.pack();
}
 
Example #7
Source File: Display.java    From New-Beginner-Java-Game-Programming-Src with Creative Commons Zero v1.0 Universal 6 votes vote down vote up
private void createDisplay(){
	frame = new JFrame(title);
	frame.setSize(width, height);
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	frame.setResizable(false);
	frame.setLocationRelativeTo(null);
	frame.setVisible(true);
	
	canvas = new Canvas();
	canvas.setPreferredSize(new Dimension(width, height));
	canvas.setMaximumSize(new Dimension(width, height));
	canvas.setMinimumSize(new Dimension(width, height));
	canvas.setFocusable(false);
	
	frame.add(canvas);
	frame.pack();
}
 
Example #8
Source File: bug8032667.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up
@Override
public void init() {
    SwingUtilities.invokeLater(new Runnable() {

        @Override
        public void run() {

            final Image image1 = getImage(getCheckBox("Deselected", false));
            final Image image2 = getImage(getCheckBox("Selected", true));

            Canvas canvas = new Canvas() {

                @Override
                public void paint(Graphics g) {
                    super.paint(g);
                    g.drawImage(image1, 0, 0, scaledWidth, scaledHeight, this);
                    g.drawImage(image2, 0, scaledHeight + 5,
                            scaledWidth, scaledHeight, this);
                }
            };

            getContentPane().add(canvas, BorderLayout.CENTER);
        }
    });
}
 
Example #9
Source File: CefBrowser_N.java    From APICloud-Studio with GNU General Public License v3.0 6 votes vote down vote up
/**
  * Create a new browser as dev tools
  */
protected final void createDevTools(CefBrowser parent,
									CefClientHandler clientHandler, 
									long windowHandle,
									boolean transparent, 
									Canvas canvas) {
   if (getNativeRef("CefBrowser") == 0 && !isPending_) {
	try {
       isPending_ = N_CreateDevTools(parent,
                                     clientHandler,
                                     windowHandle,
                                     transparent,
                                     canvas);
	} catch (UnsatisfiedLinkError err) {
		err.printStackTrace();
	}
}
 }
 
Example #10
Source File: Display.java    From New-Beginner-Java-Game-Programming-Src with Creative Commons Zero v1.0 Universal 6 votes vote down vote up
private void createDisplay(){
	frame = new JFrame(title);
	frame.setSize(width, height);
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	frame.setResizable(false);
	frame.setLocationRelativeTo(null);
	frame.setVisible(true);
	
	canvas = new Canvas();
	canvas.setPreferredSize(new Dimension(width, height));
	canvas.setMaximumSize(new Dimension(width, height));
	canvas.setMinimumSize(new Dimension(width, height));
	canvas.setFocusable(false);
	
	frame.add(canvas);
	frame.pack();
}
 
Example #11
Source File: bug8032667.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up
@Override
public void init() {
    SwingUtilities.invokeLater(new Runnable() {

        @Override
        public void run() {

            final Image image1 = getImage(getCheckBox("Deselected", false));
            final Image image2 = getImage(getCheckBox("Selected", true));

            Canvas canvas = new Canvas() {

                @Override
                public void paint(Graphics g) {
                    super.paint(g);
                    g.drawImage(image1, 0, 0, scaledWidth, scaledHeight, this);
                    g.drawImage(image2, 0, scaledHeight + 5,
                            scaledWidth, scaledHeight, this);
                }
            };

            getContentPane().add(canvas, BorderLayout.CENTER);
        }
    });
}
 
Example #12
Source File: Display.java    From New-Beginner-Java-Game-Programming-Src with Creative Commons Zero v1.0 Universal 5 votes vote down vote up
private void createDisplay(){
	frame = new JFrame(title);
	frame.setSize(width, height);
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	frame.setResizable(false);
	frame.setLocationRelativeTo(null);
	frame.setVisible(true);
	
	canvas = new Canvas();
	canvas.setPreferredSize(new Dimension(width, height));
	canvas.setMaximumSize(new Dimension(width, height));
	canvas.setMinimumSize(new Dimension(width, height));
	canvas.setFocusable(false);
	
	frame.add(canvas);
	frame.pack();
}
 
Example #13
Source File: BarcodePDF417.java    From itext2 with GNU Lesser General Public License v3.0 5 votes vote down vote up
/** Creates a <CODE>java.awt.Image</CODE>.
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */    
public java.awt.Image createAwtImage(Color foreground, Color background) {
    int f = foreground.getRGB();
    int g = background.getRGB();
    Canvas canvas = new Canvas();

    paintCode();
    int h = (int)yHeight;
    int pix[] = new int[bitColumns * codeRows * h];
    int stride = (bitColumns + 7) / 8;
    int ptr = 0;
    for (int k = 0; k < codeRows; ++k) {
        int p = k * stride;
        for (int j = 0; j < bitColumns; ++j) {
            int b = outBits[p + (j / 8)] & 0xff;
            b <<= j % 8;
            pix[ptr++] = (b & 0x80) == 0 ? g : f;
        }
        for (int j = 1; j < h; ++j) {
            System.arraycopy(pix, ptr - bitColumns, pix, ptr + bitColumns * (j - 1), bitColumns);
        }
        ptr += bitColumns * (h - 1);
    }
    
    java.awt.Image img = canvas.createImage(new MemoryImageSource(bitColumns, codeRows * h, pix, 0, bitColumns));
    return img;
}
 
Example #14
Source File: KeyboardFocusManagerPeerImpl.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up
@SuppressWarnings("deprecation")
public static boolean shouldFocusOnClick(Component component) {
    boolean acceptFocusOnClick = false;

    // A component is generally allowed to accept focus on click
    // if its peer is focusable. There're some exceptions though.


    // CANVAS & SCROLLBAR accept focus on click
    if (component instanceof Canvas ||
        component instanceof Scrollbar)
    {
        acceptFocusOnClick = true;

    // PANEL, empty only, accepts focus on click
    } else if (component instanceof Panel) {
        acceptFocusOnClick = (((Panel)component).getComponentCount() == 0);


    // Other components
    } else {
        ComponentPeer peer = (component != null ? component.getPeer() : null);
        acceptFocusOnClick = (peer != null ? peer.isFocusable() : false);
    }
    return acceptFocusOnClick &&
           AWTAccessor.getComponentAccessor().canBeFocusOwner(component);
}
 
Example #15
Source File: KeyboardFocusManagerPeerImpl.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up
@SuppressWarnings("deprecation")
public static boolean shouldFocusOnClick(Component component) {
    boolean acceptFocusOnClick = false;

    // A component is generally allowed to accept focus on click
    // if its peer is focusable. There're some exceptions though.


    // CANVAS & SCROLLBAR accept focus on click
    if (component instanceof Canvas ||
        component instanceof Scrollbar)
    {
        acceptFocusOnClick = true;

    // PANEL, empty only, accepts focus on click
    } else if (component instanceof Panel) {
        acceptFocusOnClick = (((Panel)component).getComponentCount() == 0);


    // Other components
    } else {
        ComponentPeer peer = (component != null ? component.getPeer() : null);
        acceptFocusOnClick = (peer != null ? peer.isFocusable() : false);
    }
    return acceptFocusOnClick &&
           AWTAccessor.getComponentAccessor().canBeFocusOwner(component);
}
 
Example #16
Source File: BarcodeCodabar.java    From itext2 with GNU Lesser General Public License v3.0 5 votes vote down vote up
/** Creates a <CODE>java.awt.Image</CODE>. This image only
 * contains the bars without any text.
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */    
public java.awt.Image createAwtImage(Color foreground, Color background) {
    int f = foreground.getRGB();
    int g = background.getRGB();
    Canvas canvas = new Canvas();

    String fullCode = code;
    if (generateChecksum && checksumText)
        fullCode = calculateChecksum(code);
    if (!startStopText)
        fullCode = fullCode.substring(1, fullCode.length() - 1);
    byte bars[] = getBarsCodabar(generateChecksum ? calculateChecksum(code) : code);
    int wide = 0;
    for (int k = 0; k < bars.length; ++k) {
        wide += bars[k];
    }
    int narrow = bars.length - wide;
    int fullWidth = narrow + wide * (int)n;
    boolean print = true;
    int ptr = 0;
    int height = (int)barHeight;
    int pix[] = new int[fullWidth * height];
    for (int k = 0; k < bars.length; ++k) {
        int w = (bars[k] == 0 ? 1 : (int)n);
        int c = g;
        if (print)
            c = f;
        print = !print;
        for (int j = 0; j < w; ++j)
            pix[ptr++] = c;
    }
    for (int k = fullWidth; k < pix.length; k += fullWidth) {
        System.arraycopy(pix, 0, pix, k, fullWidth); 
    }
    Image img = canvas.createImage(new MemoryImageSource(fullWidth, height, pix, 0, fullWidth));
    
    return img;
}
 
Example #17
Source File: bug8032667.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up
@Override
public void init() {
    SwingUtilities.invokeLater(new Runnable() {

        @Override
        public void run() {

            final Image image1 = getImage(getCheckBox("Deselected", false));
            final Image image2 = getImage(getCheckBox("Selected", true));

            Canvas canvas = new Canvas() {

                @Override
                public void paint(Graphics g) {
                    super.paint(g);
                    g.drawImage(image1, 0, 0, scaledWidth, scaledHeight, this);
                    g.drawImage(image2, 0, scaledHeight + 5,
                            scaledWidth, scaledHeight, this);
                }
            };

            getContentPane().add(canvas, BorderLayout.CENTER);
        }
    });
}
 
Example #18
Source File: WideComboBox.java    From openAGV with Apache License 2.0 5 votes vote down vote up
@Override
public void doLayout() {
  try {
    layingOut = true;
    int tmpPopupWidth = 1;
    Canvas c = new Canvas();
    FontMetrics fontMetrics = c.getFontMetrics(this.getFont());
    for (int i = 0; i < super.getItemCount(); i++) {
      String item = super.getItemAt(i);
      tmpPopupWidth = Integer.max(fontMetrics.stringWidth(item), tmpPopupWidth);
    }
    tmpPopupWidth += 15;
    this.popupWidth = Optional.of(tmpPopupWidth);
    super.doLayout();
  }
  finally {
    layingOut = false;
  }
}
 
Example #19
Source File: bug8032667.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up
@Override
public void init() {
    SwingUtilities.invokeLater(new Runnable() {

        @Override
        public void run() {

            final Image image1 = getImage(getCheckBox("Deselected", false));
            final Image image2 = getImage(getCheckBox("Selected", true));

            Canvas canvas = new Canvas() {

                @Override
                public void paint(Graphics g) {
                    super.paint(g);
                    g.drawImage(image1, 0, 0, scaledWidth, scaledHeight, this);
                    g.drawImage(image2, 0, scaledHeight + 5,
                            scaledWidth, scaledHeight, this);
                }
            };

            getContentPane().add(canvas, BorderLayout.CENTER);
        }
    });
}
 
Example #20
Source File: Mickey.java    From ThinkJavaCode with MIT License 5 votes vote down vote up
public static void main(String[] args) {
    JFrame frame = new JFrame("Mickey Mouse");
    Canvas canvas = new Mickey();
    canvas.setSize(400, 400);
    canvas.setBackground(Color.white);
    frame.add(canvas);
    frame.pack();
    frame.setVisible(true);
}
 
Example #21
Source File: PlatformWin32VKCanvas.java    From lwjgl3-awt with MIT License 5 votes vote down vote up
public long create(Canvas canvas, VKData data) throws AWTException {
    MemoryStack stack = MemoryStack.stackGet();
    int ptr = stack.getPointer();
    JAWTDrawingSurface ds = JAWT_GetDrawingSurface(canvas, awt.GetDrawingSurface());
    try {
        int lock = JAWT_DrawingSurface_Lock(ds, ds.Lock());
        if ((lock & JAWT_LOCK_ERROR) != 0)
            throw new AWTException("JAWT_DrawingSurface_Lock() failed");
        try {
            JAWTDrawingSurfaceInfo dsi = JAWT_DrawingSurface_GetDrawingSurfaceInfo(ds, ds.GetDrawingSurfaceInfo());
            try {
                JAWTWin32DrawingSurfaceInfo dsiWin = JAWTWin32DrawingSurfaceInfo.create(dsi.platformInfo());
                long hwnd = dsiWin.hwnd();
                VkWin32SurfaceCreateInfoKHR sci = VkWin32SurfaceCreateInfoKHR.callocStack(stack)
                        .sType(VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR)
                        .hinstance(WinBase.GetModuleHandle((ByteBuffer) null))
                        .hwnd(hwnd);
                long surfaceAddr = stack.nmalloc(8, 8);
                int err = nvkCreateWin32SurfaceKHR(data.instance, sci.address(), 0L, surfaceAddr);
                long surface = MemoryUtil.memGetLong(surfaceAddr);
                stack.setPointer(ptr);
                if (err != VK_SUCCESS) {
                    throw new AWTException("Calling vkCreateWin32SurfaceKHR failed with error: " + err);
                }
                return surface;
            } finally {
                JAWT_DrawingSurface_FreeDrawingSurfaceInfo(dsi, ds.FreeDrawingSurfaceInfo());
            }
        } finally {
            JAWT_DrawingSurface_Unlock(ds, ds.Unlock());
        }
    } finally {
        JAWT_FreeDrawingSurface(ds, awt.FreeDrawingSurface());
    }
}
 
Example #22
Source File: KeyboardFocusManagerPeerImpl.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up
@SuppressWarnings("deprecation")
public static boolean shouldFocusOnClick(Component component) {
    boolean acceptFocusOnClick = false;

    // A component is generally allowed to accept focus on click
    // if its peer is focusable. There're some exceptions though.


    // CANVAS & SCROLLBAR accept focus on click
    if (component instanceof Canvas ||
        component instanceof Scrollbar)
    {
        acceptFocusOnClick = true;

    // PANEL, empty only, accepts focus on click
    } else if (component instanceof Panel) {
        acceptFocusOnClick = (((Panel)component).getComponentCount() == 0);


    // Other components
    } else {
        ComponentPeer peer = (component != null ? component.getPeer() : null);
        acceptFocusOnClick = (peer != null ? peer.isFocusable() : false);
    }
    return acceptFocusOnClick &&
           AWTAccessor.getComponentAccessor().canBeFocusOwner(component);
}
 
Example #23
Source File: CardTable.java    From ThinkJavaCode with MIT License 5 votes vote down vote up
public static void main(String[] args) {
    // make the frame
    JFrame frame = new JFrame("Card Table");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // add the CardTable
    String cardset = "cardset-oxymoron";
    Canvas canvas = new CardTable(cardset);
    frame.getContentPane().add(canvas);

    // show the frame
    frame.pack();
    frame.setVisible(true);
}
 
Example #24
Source File: bug8032667.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up
@Override
public void init() {
    SwingUtilities.invokeLater(new Runnable() {

        @Override
        public void run() {

            final Image image1 = getImage(getCheckBox("Deselected", false));
            final Image image2 = getImage(getCheckBox("Selected", true));

            Canvas canvas = new Canvas() {

                @Override
                public void paint(Graphics g) {
                    super.paint(g);
                    g.drawImage(image1, 0, 0, scaledWidth, scaledHeight, this);
                    g.drawImage(image2, 0, scaledHeight + 5,
                            scaledWidth, scaledHeight, this);
                }
            };

            getContentPane().add(canvas, BorderLayout.CENTER);
        }
    });
}
 
Example #25
Source File: CardTable.java    From Think-Java-Exercises with GNU General Public License v3.0 5 votes vote down vote up
public static void main(String[] args) {
   // make the frame
   JFrame frame = new JFrame("Card Table");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

   // add the CardTable
   String cardset = "cardset-oxymoron";
   Canvas canvas = new CardTable(cardset);
   frame.getContentPane().add(canvas);

   // show the frame
   frame.pack();
   frame.setVisible(true);
}
 
Example #26
Source File: Barcode39.java    From gcs with Mozilla Public License 2.0 5 votes vote down vote up
/** Creates a <CODE>java.awt.Image</CODE>. This image only
 * contains the bars without any text.
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */    
public java.awt.Image createAwtImage(Color foreground, Color background) {
    int f = foreground.getRGB();
    int g = background.getRGB();
    Canvas canvas = new Canvas();

    String bCode = code;
    if (extended)
        bCode = getCode39Ex(code);
    if (generateChecksum)
        bCode += getChecksum(bCode);
    int len = bCode.length() + 2;
    int nn = (int)n;
    int fullWidth = len * (6 + 3 * nn) + (len - 1);
    byte bars[] = getBarsCode39(bCode);
    boolean print = true;
    int ptr = 0;
    int height = (int)barHeight;
    int pix[] = new int[fullWidth * height];
    for (int k = 0; k < bars.length; ++k) {
        int w = (bars[k] == 0 ? 1 : nn);
        int c = g;
        if (print)
            c = f;
        print = !print;
        for (int j = 0; j < w; ++j)
            pix[ptr++] = c;
    }
    for (int k = fullWidth; k < pix.length; k += fullWidth) {
        System.arraycopy(pix, 0, pix, k, fullWidth); 
    }
    Image img = canvas.createImage(new MemoryImageSource(fullWidth, height, pix, 0, fullWidth));
    
    return img;
}
 
Example #27
Source File: BarcodePDF417.java    From gcs with Mozilla Public License 2.0 5 votes vote down vote up
/**
 * Creates a <CODE>java.awt.Image</CODE>.
 * 
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */
public java.awt.Image createAwtImage(Color foreground, Color background) {
	int f = foreground.getRGB();
	int g = background.getRGB();
	Canvas canvas = new Canvas();

	paintCode();
	int h = (int) yHeight;
	int pix[] = new int[bitColumns * codeRows * h];
	int stride = (bitColumns + 7) / 8;
	int ptr = 0;
	for (int k = 0; k < codeRows; ++k) {
		int p = k * stride;
		for (int j = 0; j < bitColumns; ++j) {
			int b = outBits[p + j / 8] & 0xff;
			b <<= j % 8;
			pix[ptr++] = (b & 0x80) == 0 ? g : f;
		}
		for (int j = 1; j < h; ++j) {
			System.arraycopy(pix, ptr - bitColumns, pix, ptr + bitColumns * (j - 1), bitColumns);
		}
		ptr += bitColumns * (h - 1);
	}

	java.awt.Image img = canvas.createImage(new MemoryImageSource(bitColumns, codeRows * h, pix, 0, bitColumns));
	return img;
}
 
Example #28
Source File: AppletGameContainer.java    From slick2d-maven with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
/**
 * @see java.applet.Applet#init()
 */
public void init() {
   removeAll();
   setLayout(new BorderLayout());
   setIgnoreRepaint(true);

   try {
      Game game = (Game) Class.forName(getParameter("game")).newInstance();
      
      container = new Container(game);
      canvas = new ContainerPanel(container);
      displayParent = new Canvas() {
         public final void addNotify() {
            super.addNotify();
            startLWJGL();
         }
         public final void removeNotify() {
            destroyLWJGL();
            super.removeNotify();
         }

      };

      displayParent.setSize(getWidth(), getHeight());
      add(displayParent);
      displayParent.setFocusable(true);
      displayParent.requestFocus();
      displayParent.setIgnoreRepaint(true);
      setVisible(true);
   } catch (Exception e) {
      Log.error(e);
      throw new RuntimeException("Unable to create game container");
   }
}
 
Example #29
Source File: AbstractWordXmlWriter.java    From birt with Eclipse Public License 1.0 5 votes vote down vote up
/**
 * function emulate the overflow hidden behavior on table cell
 * 
 * @param text
 *            String to check
 * @param style
 *            style of the text
 * @param fontFamily
 *            fond of the text
 * @param cellWidth
 *            the width of the container in points
 * @return String with truncated words that surpasses the cell width
 */
public String cropOverflowString( String text, IStyle style,
		String fontFamily, int cellWidth )
{// TODO: retrieve font type and replace plain with corresponding
	Font font = new Font( fontFamily, Font.PLAIN,
			WordUtil.parseFontSize( PropertyUtil.getDimensionValue( style
					.getProperty( StyleConstants.STYLE_FONT_SIZE ) ) ) );
	Canvas c = new Canvas( );
	FontMetrics fm = c.getFontMetrics( font );
	// conversion from point to advancement point from sample linear
	// regression:
	int cellWidthInPointAdv = ( cellWidth * (int) WordUtil.PT_TWIPS - 27 )
			/ 11;
	StringBuilder sb = new StringBuilder( text.length( ) + 1 );
	int wordEnd = INDEX_NOTFOUND;
	do
	{
		wordEnd = text.indexOf( SPACE );
		if ( wordEnd != INDEX_NOTFOUND ) // space found
		{
			String word = text.substring( 0, wordEnd );
			word = cropOverflowWord( word, fm, cellWidthInPointAdv );
			sb.append( word );
			sb.append( SPACE );
			text = text.substring( wordEnd + 1 );
		}
	} while ( wordEnd != INDEX_NOTFOUND && !EMPTY_STRING.equals( text ) );
	sb.append( cropOverflowWord( text, fm, cellWidthInPointAdv ) );
	return sb.toString( );
}
 
Example #30
Source File: ModifierRobotKeyTest.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up
private void initializeGUI() {
    frame = new Frame("Test frame");
    canvas = new Canvas();
    canvas.addFocusListener(new FocusAdapter() {
        public void focusGained(FocusEvent event) { focusGained = true; }
    });
    canvas.addKeyListener(this);
    frame.setLayout(new BorderLayout());
    frame.add(canvas);
    frame.setSize(200, 200);
    frame.setVisible(true);
}