Example usage for org.eclipse.jface.resource FontDescriptor destroyFont

Introduction

In this page you can find the example usage for org.eclipse.jface.resource FontDescriptor destroyFont.

Prototype

public abstract void destroyFont(Font previouslyCreatedFont);

Source Link

Document

Deallocates anything that was allocated by createFont, given a font that was allocated by an equal FontDescriptor.

Usage

From source file:com.synflow.cx.ui.annotations.CxImageProvider.java

License:Open Source License

@Override
public Image getManagedImage(Annotation annotation) {
    IMarker marker = ((MarkerAnnotation) annotation).getMarker();

    Device device = Display.getCurrent();
    int index = marker.getAttribute("index", 0);
    Image image = images.get(index);
    if (image == null) {
        image = new Image(device, 16, 16);
        images.put(index, image);//  w w  w. j av a 2  s  .  com

        Color color = new Color(device, 248, 248, 248);
        GC gc = new GC(image);
        gc.setBackground(color);
        gc.fillRectangle(0, 0, 16, 15);
        color.dispose();

        FontDescriptor fd = FontDescriptor.createFrom(gc.getFont()).setHeight(7);

        Font font = fd.createFont(device);
        gc.setFont(font);
        gc.setForeground(ViewsConstants.SELECTION_COLOR);
        gc.drawText(String.valueOf(index + 1), 2, 0);
        fd.destroyFont(font);

        gc.dispose();
    }

    return image;
}

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From source file:org.eclipse.tracecompass.internal.provisional.analysis.lami.ui.handler.AddAnalysisDialog.java

License:Open Source License

private static void createSubtitleLabel(Composite parent, String text) {
    final Label label = new Label(parent, SWT.WRAP);
    label.setText(text + ':');
    final FontDescriptor boldDescriptor = FontDescriptor.createFrom(parent.getFont()).setStyle(SWT.BOLD);
    final Font boldFont = boldDescriptor.createFont(parent.getDisplay());
    label.setFont(boldFont);//w w  w  . j  ava2s .  c  o m
    label.addDisposeListener(event -> boldDescriptor.destroyFont(boldFont));
}

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From source file:org.eclipse.tracecompass.internal.provisional.analysis.lami.ui.handler.AddAnalysisDialog.java

License:Open Source License

private static Label createErrorLabel(Composite parent) {
    final Label label = new Label(parent, SWT.WRAP);
    Color color = new Color(parent.getDisplay(), 0xe7, 0x4c, 0x3c);
    label.setForeground(color);//w w w.  ja v  a2s .  com
    final FontDescriptor fd = FontDescriptor.createFrom(parent.getFont());
    Font font = fd.createFont(parent.getDisplay());
    label.setFont(font);

    label.addDisposeListener(e -> {
        color.dispose();
        fd.destroyFont(font);
    });

    return label;
}

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