Examples with SWTException org.eclipse.swt.SWTException used on opensource projects

Example 36 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class AdvancedGraphics method loadImage.

static Image loadImage(Device device, Class<AdvancedGraphics> clazz, String string) {
    InputStream stream = clazz.getResourceAsStream(string);
    if (stream == null)
        return null;
    Image image = null;
    try {
        image = new Image(device, stream);
    } catch (SWTException ex) {
    } finally {
        try {
            stream.close();
        } catch (IOException ex) {
        }
    }
    return image;
}

Example 37 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class AdvancedGraphics method open.

public Shell open(final Display display) {
    final Shell shell = new Shell(display);
    // $NON-NLS-1$
    shell.setText(RESOURCE_BUNDLE.getString("AdvancedGraphics"));
    try {
        Path path = new Path(display);
        path.dispose();
    } catch (SWTException e) {
        MessageBox dialog = new MessageBox(shell, SWT.ICON_WARNING | SWT.OK);
        // $NON-NLS-1$
        dialog.setText(RESOURCE_BUNDLE.getString("Warning"));
        // $NON-NLS-1$
        dialog.setMessage(RESOURCE_BUNDLE.getString("LibNotFound"));
        dialog.open();
        shell.dispose();
        return null;
    }
    FontData fd = shell.getFont().getFontData()[0];
    final Font font = new Font(display, fd.getName(), 96, SWT.BOLD | SWT.ITALIC);
    final Image image = loadImage(display, AdvancedGraphics.class, "irmaos.jpg");
    final Rectangle rect = image.getBounds();
    shell.addListener(SWT.Paint, event -> {
        GC gc = event.gc;
        Transform tr = new Transform(display);
        tr.translate(rect.width / 4, rect.height / 2);
        tr.rotate(-30);
        if (image != null) {
            gc.drawImage(image, 0, 0, rect.width, rect.height, 0, 0, rect.width, rect.height);
        }
        gc.setAlpha(100);
        gc.setTransform(tr);
        Path path = new Path(display);
        path.addString("SWT", 0, 0, font);
        gc.setBackground(display.getSystemColor(SWT.COLOR_GREEN));
        gc.setForeground(display.getSystemColor(SWT.COLOR_BLUE));
        gc.fillPath(path);
        gc.drawPath(path);
        tr.dispose();
        path.dispose();
    });
    shell.setSize(shell.computeSize(rect.width, rect.height));
    shell.open();
    shell.addListener(SWT.Dispose, event -> {
        if (image != null)
            image.dispose();
        font.dispose();
    });
    return shell;
}

Example 38 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class GraphicsExample method checkAdvancedGraphics.

boolean checkAdvancedGraphics() {
    if (advanceGraphicsInit)
        return advanceGraphics;
    advanceGraphicsInit = true;
    Display display = parent.getDisplay();
    try {
        Path path = new Path(display);
        path.dispose();
    } catch (SWTException e) {
        Shell shell = display.getActiveShell(), newShell = null;
        if (shell == null)
            shell = newShell = new Shell(display);
        MessageBox dialog = new MessageBox(shell, SWT.ICON_WARNING | SWT.OK);
        // $NON-NLS-1$
        dialog.setText(RESOURCE_BUNDLE.getString("Warning"));
        // $NON-NLS-1$
        dialog.setMessage(RESOURCE_BUNDLE.getString("LibNotFound"));
        dialog.open();
        if (newShell != null)
            newShell.dispose();
        return false;
    }
    return advanceGraphics = true;
}

Example 39 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class GraphicsExample method loadImage.

static Image loadImage(Device device, Class<GraphicsExample> clazz, String string) {
    InputStream stream = clazz.getResourceAsStream(string);
    if (stream == null)
        return null;
    Image image = null;
    try {
        image = new Image(device, stream);
    } catch (SWTException ex) {
    } finally {
        try {
            stream.close();
        } catch (IOException ex) {
        }
    }
    return image;
}

Example 40 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class ImageAnalyzer method menuSave.

void menuSave() {
    if (image == null)
        return;
    // stop any animation in progress
    animate = false;
    // so we have to use 'Save As...'.
    if (imageData.type == SWT.IMAGE_UNDEFINED || fileName == null) {
        menuSaveAs();
        return;
    }
    Cursor waitCursor = display.getSystemCursor(SWT.CURSOR_WAIT);
    shell.setCursor(waitCursor);
    imageCanvas.setCursor(waitCursor);
    try {
        // Save the current image to the current file.
        loader.data = new ImageData[] { imageData };
        if (imageData.type == SWT.IMAGE_JPEG)
            loader.compression = compressionCombo.indexOf(compressionCombo.getText()) + 1;
        if (imageData.type == SWT.IMAGE_PNG)
            loader.compression = compressionCombo.indexOf(compressionCombo.getText());
        loader.save(fileName, imageData.type);
    } catch (SWTException e) {
        showErrorDialog(bundle.getString("Saving_lc"), fileName, e);
    } catch (SWTError e) {
        showErrorDialog(bundle.getString("Saving_lc"), fileName, e);
    } finally {
        shell.setCursor(null);
        imageCanvas.setCursor(crossCursor);
    }
}