Examples with Graphics java.awt.Graphics used on opensource projects

Example 46 with Graphics

use of java.awt.Graphics in project ChatGameFontificator by GlitchCog.

the class AnimatedGifUtil method loadDittoAnimatedGif.

/**
     * Fix (ditto) for Java's animated GIF interpretation
     * 
     * Adapted from http://stackoverflow.com/questions/26801433/fix-frame-rate-of-animated-gif-in-java#answer-26829534
     * 
     * @param url
     *            The URL for the animated GIF to be loaded
     * @param dim
     *            The dimension object to be filled by the width and height of the loaded animated GIF
     * @return The loaded animated GIF
     * @throws Exception
     */
public static Image loadDittoAnimatedGif(final URL url, Dimension dim) {
    final Image dimImage = new ImageIcon(url).getImage();
    Image image = null;
    try {
        ImageReader gifReader = ImageIO.getImageReadersByFormatName(GIF_EXTENSION).next();
        InputStream imageStream = url.openStream();
        gifReader.setInput(ImageIO.createImageInputStream(imageStream));
        IIOMetadata imageMetaData = gifReader.getImageMetadata(0);
        String metaFormatName = imageMetaData.getNativeMetadataFormatName();
        final int frameCount = gifReader.getNumImages(true);
        ByteArrayOutputStream baoStream = new ByteArrayOutputStream();
        ImageOutputStream ios = ImageIO.createImageOutputStream(baoStream);
        ImageWriter writer = ImageIO.getImageWriter(gifReader);
        writer.setOutput(ios);
        writer.prepareWriteSequence(null);
        final int imgWidth = dimImage.getWidth(null);
        final int imgHeight = dimImage.getHeight(null);
        dim.setSize(imgWidth, imgHeight);
        for (int i = 0; i < frameCount; i++) {
            // This read method takes into account the frame's top and left coordinates
            BufferedImage frame = gifReader.read(i);
            IIOMetadataNode nodes = (IIOMetadataNode) gifReader.getImageMetadata(i).getAsTree(metaFormatName);
            for (int j = 0; j < nodes.getLength(); j++) {
                IIOMetadataNode node = (IIOMetadataNode) nodes.item(j);
                if (GRAPHIC_CTRL_EXT.equalsIgnoreCase(node.getNodeName())) {
                    int delay = Integer.parseInt(node.getAttribute(ATTRIBUTE_DELAY_TIME));
                    // Minimum delay for browsers, which delay animated GIFs much more than would be to spec
                    if (delay < MIN_ANI_GIF_DELAY) {
                        node.setAttribute(ATTRIBUTE_DELAY_TIME, Integer.toString(MIN_ANI_GIF_DELAY));
                    }
                    // at least not for BTTV's (ditto)
                    if (node.getAttribute(ATTRIBUTE_DISPOSAL_METHOD).equals(DISPOSE_RESTORE_TO_PREVIOUS)) {
                        node.setAttribute(ATTRIBUTE_DISPOSAL_METHOD, DISPOSE_RESTORE_TO_BGCOLOR);
                    }
                }
            }
            IIOMetadata metadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(frame), null);
            metadata.setFromTree(metadata.getNativeMetadataFormatName(), nodes);
            // This modified frame is necessary to get the correct image placement, width, and height in the final GIF
            BufferedImage frameMod = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_ARGB);
            Graphics big = frameMod.getGraphics();
            big.drawImage(frame, 0, 0, null);
            IIOImage fixedFrame = new IIOImage(frameMod, null, metadata);
            writer.writeToSequence(fixedFrame, writer.getDefaultWriteParam());
        }
        writer.endWriteSequence();
        if (ios != null) {
            ios.close();
        }
        image = Toolkit.getDefaultToolkit().createImage(baoStream.toByteArray());
    } catch (Exception e) {
        // If anything goes wrong, just load it normally
        logger.error("Error loading animated GIF (ditto) from " + url, e);
        image = new ImageIcon(url).getImage();
        dim.setSize(image.getWidth(null), image.getHeight(null));
    }
    return image;
}

Example 47 with Graphics

use of java.awt.Graphics in project ChatGameFontificator by GlitchCog.

the class CollagePanel method addCapture.

private void addCapture() {
    final String imageText = getImageText();
    final int labelHeight = imageText.isEmpty() ? 0 : 24;
    final int width = chat.getWidth();
    final int height = chat.getHeight() + labelHeight;
    BufferedImage chatImage = new BufferedImage(width, height, transparencyBox.isSelected() ? BufferedImage.TYPE_INT_ARGB : BufferedImage.TYPE_INT_RGB);
    Graphics chatGraphics = chatImage.getGraphics();
    chat.paint(chatGraphics);
    if (!imageText.isEmpty()) {
        try {
            chatGraphics.setColor(drawBlockColor);
            chatGraphics.fillRect(1, chat.getHeight(), width - 2, labelHeight - 1);
            chatGraphics.setColor(drawTextColor);
            chatGraphics.setFont(font);
            chatGraphics.drawString(imageText, 6, height - 8);
        } catch (Exception e) {
            logger.error("Unable to write text to image", e);
        }
    }
    images.add(chatImage);
}

Example 48 with Graphics

use of java.awt.Graphics in project adempiere by adempiere.

the class Env method getGraphics.

//	getFrame
/**
	 *	Get Graphics of container or its parent.
	 *  The element may not have a Graphic if not displayed yet,
	 * 	but the parent might have.
	 *  @param container Container
	 *  @return Graphics of container or null
	 */
public static Graphics getGraphics(Container container) {
    Container element = container;
    while (element != null) {
        Graphics g = element.getGraphics();
        if (g != null)
            return g;
        element = element.getParent();
    }
    return null;
}

Example 49 with Graphics

use of java.awt.Graphics in project hid-serial by rayshobby.

the class StyledString method getParagraghSpacer.

/**
	 * Create a graphic image character to simulate paragraph breaks
	 * 
	 * @param ww
	 * @return a blank image to manage paragraph ends.
	 */
private ImageGraphicAttribute getParagraghSpacer(int ww) {
    if (ww == Integer.MAX_VALUE)
        ww = 1;
    BufferedImage img = new BufferedImage(ww, 10, BufferedImage.TYPE_INT_ARGB);
    Graphics g = img.getGraphics();
    g.setColor(new Color(255, 255, 255, 0));
    g.fillRect(0, 0, img.getWidth(), img.getHeight());
    return new ImageGraphicAttribute(img, GraphicAttribute.TOP_ALIGNMENT);
}

Example 50 with Graphics

use of java.awt.Graphics in project jgnash by ccavanaugh.

the class IconUtils method createImageIcon.

/**
     * Creates an {@code ImageIcon} from any Icon. Useful for caching complex icon paints into a buffered Icon
     * 
     * @param icon Icon with complex painting operation
     * @return {@code ImageIcon} based on a {@code BufferedImage}
     */
public static ImageIcon createImageIcon(final Icon icon) {
    BufferedImage bufferedImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics g = bufferedImage.createGraphics();
    // paint the icon into the BufferedImage
    // pass a JLabel; the Metal based icons want a GraphicsConfiguration from the passed component
    icon.paintIcon(new JLabel(), g, 0, 0);
    g.dispose();
    return new ImageIcon(bufferedImage);
}