Example usage for org.eclipse.swt.graphics Color dispose

List of usage examples for org.eclipse.swt.graphics Color dispose

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Introduction

In this page you can find the example usage for org.eclipse.swt.graphics Color dispose.

Prototype

public void dispose()

Source Link

Usage

From source file:ColorDialogSetInitColor.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);

    ColorDialog dlg = new ColorDialog(shell);
    dlg.setRGB(new RGB(0, 0, 255));
    RGB rgb = dlg.open();/*from ww  w. j a  v a2  s  .c  om*/
    if (rgb != null) {
        Color color = new Color(shell.getDisplay(), rgb);
        System.out.println(color.getRGB());

        color.dispose();
    }

    display.dispose();
}

From source file:ColorDialogCreateGetColor.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);

    ColorDialog dlg = new ColorDialog(shell);
    RGB rgb = dlg.open();/*from ww w  .j  a v  a2 s . com*/
    if (rgb != null) {
        Color color = new Color(shell.getDisplay(), rgb);

        System.out.println(color.getRGB());

        color.dispose();
    }

    display.dispose();
}

From source file:Snippet112.java

public static void main(String[] args) {
    Display display = new Display();
    final Image image = new Image(display, 20, 20);
    Color color = display.getSystemColor(SWT.COLOR_RED);
    GC gc = new GC(image);
    gc.setBackground(color);//www  .ja v  a2  s . co  m
    gc.fillRectangle(image.getBounds());
    gc.dispose();
    color.dispose();

    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Group group = new Group(shell, SWT.NONE);
    group.setLayout(new FillLayout());
    group.setText("a square");
    Canvas canvas = new Canvas(group, SWT.NONE);
    canvas.addPaintListener(new PaintListener() {
        public void paintControl(PaintEvent e) {
            e.gc.drawImage(image, 0, 0);
        }
    });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    image.dispose();
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet316.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 316");
    shell.setLayout(new FillLayout());
    StyledText text = new StyledText(shell, SWT.V_SCROLL | SWT.H_SCROLL);
    text.setText("StyledText with margins.");
    Font font = new Font(display, "Tahoma", 14, SWT.ITALIC);
    text.setText(/*from  w w w.  j  a v  a2s  .co  m*/
            "\"If you go down to the woods today\nYou'd better not go alone\nIt's lovely down in the woods today\nBut safer to stay at home\"");
    StyleRange italic = new StyleRange();
    italic.font = font;
    text.setStyleRanges(new int[] { 0, text.getCharCount() }, new StyleRange[] { italic });
    text.setMargins(30, 30, 30, 30);
    Color color = new Color(display, 138, 226, 255);
    text.setMarginColor(color);
    shell.setSize(500, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    font.dispose();
    color.dispose();
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet280.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display, SWT.SHELL_TRIM | SWT.NO_BACKGROUND);
    shell.setText("Snippet 280");
    shell.setLayout(new FillLayout());
    shell.addListener(SWT.Paint, e -> {
        GC gc = e.gc;/*  w ww.j a v a 2s.  c o m*/
        Rectangle rect = shell.getClientArea();
        Color color1 = new Color(display, 234, 246, 253);
        Color color2 = new Color(display, 217, 240, 252);
        gc.setForeground(color1);
        gc.setBackground(color2);
        gc.fillGradientRectangle(rect.x, rect.y, rect.width, rect.height / 2, true);
        color1.dispose();
        color2.dispose();
        Color color3 = new Color(display, 190, 230, 253);
        Color color4 = new Color(display, 167, 217, 245);
        gc.setForeground(color3);
        gc.setBackground(color4);
        gc.fillGradientRectangle(rect.x, rect.y + (rect.height / 2), rect.width, rect.height / 2 + 1, true);
        color3.dispose();
        color4.dispose();

    });
    shell.setSize(200, 64);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:ColorDialogButtonActionSetLabelBackground.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Color Chooser");
    shell.setLayout(new GridLayout(2, false));

    final Label colorLabel = new Label(shell, SWT.NONE);
    colorLabel.setText("Color");

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Color...");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            Color color = new Color(shell.getDisplay(), new RGB(0, 255, 0));
            ColorDialog dlg = new ColorDialog(shell);

            dlg.setRGB(colorLabel.getBackground().getRGB());
            dlg.setText("Choose a Color");

            RGB rgb = dlg.open();//w w  w. ja va  2  s.c  o m
            if (rgb != null) {
                color.dispose();
                color = new Color(shell.getDisplay(), rgb);
                colorLabel.setBackground(color);
                color.dispose();
            }
        }
    });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }

    display.dispose();

}

From source file:MainClass.java

public static void main(String[] a) {
    Display display = new Display();
    // Create the main window
    final Shell shell = new Shell(display);

    shell.setLayout(new GridLayout(2, false));

    final Label fontLabel = new Label(shell, SWT.NONE);
    fontLabel.setText("The selected font");

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Font...");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            // Create the color-change dialog
            FontDialog dlg = new FontDialog(shell);
            Font font = null;/*from  w  w  w .j a va  2 s. c  om*/
            Color color = null;

            if (font != null)
                dlg.setFontList(fontLabel.getFont().getFontData());
            if (color != null)
                dlg.setRGB(color.getRGB());

            if (dlg.open() != null) {
                if (font != null)
                    font.dispose();
                if (color != null)
                    color.dispose();

                font = new Font(shell.getDisplay(), dlg.getFontList());
                fontLabel.setFont(font);

                color = new Color(shell.getDisplay(), dlg.getRGB());
                fontLabel.setForeground(color);

                shell.pack();
            }
        }
    });

    shell.open();

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

From source file:FontDialogColorFontData.java

public static void main(String[] args) {

    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Font Chooser");
    shell.setLayout(new GridLayout(2, false));
    final Label fontLabel = new Label(shell, SWT.NONE);
    fontLabel.setText("The selected font");

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Font...");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            Font font = null;/*from   w w  w  .  j a  v  a  2  s  .  co m*/
            Color color = null;

            FontDialog dlg = new FontDialog(shell);

            if (font != null)
                dlg.setFontList(fontLabel.getFont().getFontData());
            if (color != null)
                dlg.setRGB(color.getRGB());

            if (dlg.open() != null) {
                if (font != null)
                    font.dispose();
                if (color != null)
                    color.dispose();

                font = new Font(shell.getDisplay(), dlg.getFontList());
                fontLabel.setFont(font);

                color = new Color(shell.getDisplay(), dlg.getRGB());
                fontLabel.setForeground(color);

                shell.pack();

                if (font != null)
                    font.dispose();
                if (color != null)
                    color.dispose();
            }
        }
    });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }

    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet281.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display, SWT.SHELL_TRIM | SWT.NO_BACKGROUND);
    shell.setText("Snippet 281");
    shell.setLayout(new FillLayout());
    shell.addListener(SWT.Paint, e -> {
        GC gc = e.gc;/*w  w w . j a  va 2s  .  c o  m*/
        Rectangle rect = shell.getClientArea();
        Color color1 = new Color(display, 234, 246, 253);
        Color color2 = new Color(display, 217, 240, 252);
        Color color3 = new Color(display, 190, 230, 253);
        Color color4 = new Color(display, 167, 217, 245);
        Pattern p1 = new Pattern(display, 0, 0, 0, rect.height / 2, color1, color2);
        gc.setBackgroundPattern(p1);
        gc.fillRectangle(rect.x, rect.y, rect.width, rect.height / 2);
        Pattern p2 = new Pattern(display, 0, rect.height / 2, 0, rect.height, color3, color4);
        gc.setBackgroundPattern(p2);
        gc.fillRectangle(rect.x, rect.y + (rect.height / 2), rect.width, rect.height / 2 + 1);
        p1.dispose();
        p2.dispose();
        color1.dispose();
        color2.dispose();
        color3.dispose();
        color4.dispose();
    });
    shell.setSize(200, 64);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:Snippet141.java

public static void main(String[] args) {
    display = new Display();
    shell = new Shell(display);
    shell.setSize(300, 300);/*from   ww  w  .  j a v a 2s  .  c  o m*/
    shell.open();
    shellGC = new GC(shell);
    shellBackground = shell.getBackground();

    FileDialog dialog = new FileDialog(shell);
    dialog.setFilterExtensions(new String[] { "*.gif" });
    String fileName = dialog.open();
    if (fileName != null) {
        loader = new ImageLoader();
        try {
            imageDataArray = loader.load(fileName);
            if (imageDataArray.length > 1) {
                animateThread = new Thread("Animation") {
                    public void run() {
                        /* Create an off-screen image to draw on, and fill it with the shell background. */
                        Image offScreenImage = new Image(display, loader.logicalScreenWidth,
                                loader.logicalScreenHeight);
                        GC offScreenImageGC = new GC(offScreenImage);
                        offScreenImageGC.setBackground(shellBackground);
                        offScreenImageGC.fillRectangle(0, 0, loader.logicalScreenWidth,
                                loader.logicalScreenHeight);

                        try {
                            /* Create the first image and draw it on the off-screen image. */
                            int imageDataIndex = 0;
                            ImageData imageData = imageDataArray[imageDataIndex];
                            if (image != null && !image.isDisposed())
                                image.dispose();
                            image = new Image(display, imageData);
                            offScreenImageGC.drawImage(image, 0, 0, imageData.width, imageData.height,
                                    imageData.x, imageData.y, imageData.width, imageData.height);

                            /* Now loop through the images, creating and drawing each one
                             * on the off-screen image before drawing it on the shell. */
                            int repeatCount = loader.repeatCount;
                            while (loader.repeatCount == 0 || repeatCount > 0) {
                                switch (imageData.disposalMethod) {
                                case SWT.DM_FILL_BACKGROUND:
                                    /* Fill with the background color before drawing. */
                                    Color bgColor = null;
                                    if (useGIFBackground && loader.backgroundPixel != -1) {
                                        bgColor = new Color(display,
                                                imageData.palette.getRGB(loader.backgroundPixel));
                                    }
                                    offScreenImageGC.setBackground(bgColor != null ? bgColor : shellBackground);
                                    offScreenImageGC.fillRectangle(imageData.x, imageData.y, imageData.width,
                                            imageData.height);
                                    if (bgColor != null)
                                        bgColor.dispose();
                                    break;
                                case SWT.DM_FILL_PREVIOUS:
                                    /* Restore the previous image before drawing. */
                                    offScreenImageGC.drawImage(image, 0, 0, imageData.width, imageData.height,
                                            imageData.x, imageData.y, imageData.width, imageData.height);
                                    break;
                                }

                                imageDataIndex = (imageDataIndex + 1) % imageDataArray.length;
                                imageData = imageDataArray[imageDataIndex];
                                image.dispose();
                                image = new Image(display, imageData);
                                offScreenImageGC.drawImage(image, 0, 0, imageData.width, imageData.height,
                                        imageData.x, imageData.y, imageData.width, imageData.height);

                                /* Draw the off-screen image to the shell. */
                                shellGC.drawImage(offScreenImage, 0, 0);

                                /* Sleep for the specified delay time (adding commonly-used slow-down fudge factors). */
                                try {
                                    int ms = imageData.delayTime * 10;
                                    if (ms < 20)
                                        ms += 30;
                                    if (ms < 30)
                                        ms += 10;
                                    Thread.sleep(ms);
                                } catch (InterruptedException e) {
                                }

                                /* If we have just drawn the last image, decrement the repeat count and start again. */
                                if (imageDataIndex == imageDataArray.length - 1)
                                    repeatCount--;
                            }
                        } catch (SWTException ex) {
                            System.out.println("There was an error animating the GIF");
                        } finally {
                            if (offScreenImage != null && !offScreenImage.isDisposed())
                                offScreenImage.dispose();
                            if (offScreenImageGC != null && !offScreenImageGC.isDisposed())
                                offScreenImageGC.dispose();
                            if (image != null && !image.isDisposed())
                                image.dispose();
                        }
                    }
                };
                animateThread.setDaemon(true);
                animateThread.start();
            }
        } catch (SWTException ex) {
            System.out.println("There was an error loading the GIF");
        }
    }

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}