org.eclipse.cdt.debug.internal.ui.PixelConverter.java Source code

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Here is the source code for org.eclipse.cdt.debug.internal.ui.PixelConverter.java

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/*******************************************************************************
 * Copyright (c) 2000, 2006 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.debug.internal.ui;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.widgets.Control;

public class PixelConverter {

    private FontMetrics fFontMetrics;

    public PixelConverter(Control control) {
        GC gc = new GC(control);
        gc.setFont(control.getFont());
        setFontMetrics(gc.getFontMetrics());
        gc.dispose();
    }

    /**
     * @see org.eclipse.jface.dialogs.DialogPage#convertHeightInCharsToPixels(int)
     */
    public int convertHeightInCharsToPixels(int chars) {
        return Dialog.convertHeightInCharsToPixels(getFontMetrics(), chars);
    }

    /**
     * @see org.eclipse.jface.dialogs.DialogPage#convertHorizontalDLUsToPixels(int)
     */
    public int convertHorizontalDLUsToPixels(int dlus) {
        return Dialog.convertHorizontalDLUsToPixels(getFontMetrics(), dlus);
    }

    /**
     * @see org.eclipse.jface.dialogs.DialogPage#convertVerticalDLUsToPixels(int)
     */
    public int convertVerticalDLUsToPixels(int dlus) {
        return Dialog.convertVerticalDLUsToPixels(getFontMetrics(), dlus);
    }

    /**
     * @see org.eclipse.jface.dialogs.DialogPage#convertWidthInCharsToPixels(int)
     */
    public int convertWidthInCharsToPixels(int chars) {
        return Dialog.convertWidthInCharsToPixels(getFontMetrics(), chars);
    }

    private FontMetrics getFontMetrics() {
        return this.fFontMetrics;
    }

    private void setFontMetrics(FontMetrics fontMetrics) {
        this.fFontMetrics = fontMetrics;
    }
}