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

Example 36 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class JPEGsNotAcceleratedTest method showRes.

private static void showRes(String desc, final BufferedImage src) {
    final int w = src.getWidth();
    final int h = src.getHeight();
    Frame f = new Frame(desc + ": dbl-click to exit");
    Component c;
    f.add(c = new Component() {

        public Dimension getPreferredSize() {
            return new Dimension(w, h);
        }

        public void paint(Graphics g) {
            g.clearRect(0, 0, getWidth(), getHeight());
            g.drawImage(src, 0, 0, null);
        }
    });
    c.addMouseListener(new MouseAdapter() {

        public void mouseClicked(MouseEvent e) {
            if (e.getClickCount() > 1) {
                System.exit(0);
            }
        }
    });
    f.pack();
    synchronized (JPEGsNotAcceleratedTest.class) {
        f.setLocation(frameX, frameY);
        frameX += f.getWidth();
        if ((frameX + f.getWidth()) > f.getGraphicsConfiguration().getBounds().width) {
            frameY += TEST_H;
            if ((frameY + f.getHeight()) > f.getGraphicsConfiguration().getBounds().height) {
                startY += 30;
                startX += 30;
                frameY = startY;
            }
            frameX = startX;
        }
    }
    ;
    f.setVisible(true);
}

Example 37 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class JPEGsNotAcceleratedTest method writeTestImage.

public static void writeTestImage(String fileName) {
    BufferedImage bi = new BufferedImage(TEST_W, TEST_H, BufferedImage.TYPE_INT_RGB);
    Graphics g = bi.getGraphics();
    g.setColor(new Color(testRGB));
    g.fillRect(0, 0, TEST_W, TEST_H);
    try {
        System.err.printf("Writing %s\n", fileName);
        if (lowCompression) {
            ImageWriter iw = (ImageWriter) ImageIO.getImageWritersBySuffix("jpeg").next();
            if (iw == null) {
                throw new RuntimeException("No available image writer for " + "jpeg " + " Test failed.");
            }
            File file = new File(fileName);
            ImageOutputStream ios = ImageIO.createImageOutputStream(file);
            iw.setOutput(ios);
            ImageWriteParam param = iw.getDefaultWriteParam();
            param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            param.setCompressionQuality(1);
            IIOImage iioImg = new IIOImage(bi, null, null);
            iw.write(null, iioImg, param);
        } else {
            ImageIO.write(bi, "jpeg", new File(fileName));
        }
    } catch (IOException e) {
        System.err.println("Error " + e + " when writing file: " + fileName);
        throw new RuntimeException(e);
    }
}

Example 38 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class ValidWbmpTest method main.

public static void main(String[] args) {
    try {
        String[] formats = { "JPEG", "PNG", "BMP" };
        BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_BYTE_GRAY);
        Graphics g = img.createGraphics();
        g.setColor(Color.white);
        g.fillRect(0, 0, 100, 100);
        g.setColor(Color.black);
        g.fillRect(10, 10, 80, 80);
        ImageReader ir = (ImageReader) ImageIO.getImageReadersByFormatName("WBMP").next();
        if (ir == null) {
            throw new RuntimeException("No readers for WBMP format!");
        }
        for (int i = 0; i < formats.length; i++) {
            System.out.println("Test " + formats[i] + " stream...");
            boolean passed = false;
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ImageIO.write(img, formats[i], baos);
            baos.close();
            ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
            ImageInputStream iis = null;
            iis = ImageIO.createImageInputStream(bais);
            ir.setInput(iis);
            try {
                BufferedImage res = ir.read(0);
            } catch (IIOException e) {
                StackTraceElement[] stack = e.getStackTrace();
                if (ir.getClass().getName().equals(stack[0].getClassName()) && "readHeader".equals(stack[0].getMethodName())) {
                    passed = true;
                }
            } catch (Throwable t) {
                t.printStackTrace();
            }
            if (!passed) {
                throw new RuntimeException("Test failed!");
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException("Unexpected exception. Test failed.");
    }
}

Example 39 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class bug8057791 method main.

public static void main(String[] args) {
    try {
        UIManager.setLookAndFeel(new NimbusLookAndFeel());
        SwingUtilities.invokeAndWait(new Runnable() {

            @Override
            public void run() {
                final int listWidth = 50;
                final int listHeight = 50;
                final int selCellIndex = 0;
                JList<String> list = new JList<String>();
                list.setSize(listWidth, listHeight);
                DefaultListModel<String> listModel = new DefaultListModel<String>();
                listModel.add(selCellIndex, "E");
                list.setModel(listModel);
                list.setSelectedIndex(selCellIndex);
                BufferedImage img = new BufferedImage(listWidth, listHeight, BufferedImage.TYPE_INT_ARGB);
                Graphics g = img.getGraphics();
                list.paint(g);
                g.dispose();
                Rectangle cellRect = list.getCellBounds(selCellIndex, selCellIndex);
                HashSet<Color> cellColors = new HashSet<Color>();
                int uniqueColorIndex = 0;
                for (int x = cellRect.x; x < (cellRect.x + cellRect.width); x++) {
                    for (int y = cellRect.y; y < (cellRect.y + cellRect.height); y++) {
                        Color cellColor = new Color(img.getRGB(x, y), true);
                        if (cellColors.add(cellColor)) {
                            System.err.println(String.format("Cell color #%d: %s", uniqueColorIndex++, cellColor));
                        }
                    }
                }
                Color selForegroundColor = list.getSelectionForeground();
                Color selBackgroundColor = list.getSelectionBackground();
                if (!cellColors.contains(new Color(selForegroundColor.getRGB(), true))) {
                    throw new RuntimeException(String.format("Selected cell is drawn without selection foreground color '%s'.", selForegroundColor));
                }
                if (!cellColors.contains(new Color(selBackgroundColor.getRGB(), true))) {
                    throw new RuntimeException(String.format("Selected cell is drawn without selection background color '%s'.", selBackgroundColor));
                }
            }
        });
    } catch (UnsupportedLookAndFeelException | InterruptedException | InvocationTargetException e) {
        throw new RuntimeException(e);
    }
}

Example 40 with Graphics

use of java.awt.Graphics in project jdk8u_jdk by JetBrains.

the class bug7181438 method createBufferedImage.

private static BufferedImage createBufferedImage() {
    final BufferedImage bi = new BufferedImage(SIZE, SIZE, BufferedImage.TYPE_INT_RGB);
    final Graphics bg = bi.getGraphics();
    //Black color and alpha = 0
    bg.setColor(new Color(0, 0, 0, 0));
    bg.fillRect(0, 0, SIZE, SIZE);
    bg.dispose();
    return bi;
}