package com.aptana.ide.core.ui.preferences;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.widgets.Control;
import org.eclipse.jface.dialogs.Dialog;
/**
* Pixel conversion utility.
*
* @since 3.0
*/
class PixelConverter {
private FontMetrics fFontMetrics;
public PixelConverter(Control control) {
GC gc = new GC(control);
gc.setFont(control.getFont());
fFontMetrics= gc.getFontMetrics();
gc.dispose();
}
/*
* @see org.eclipse.jface.dialogs.DialogPage#convertHeightInCharsToPixels(int)
*/
public int convertHeightInCharsToPixels(int chars) {
return Dialog.convertHeightInCharsToPixels(fFontMetrics, chars);
}
/*
* @see org.eclipse.jface.dialogs.DialogPage#convertHorizontalDLUsToPixels(int)
*/
public int convertHorizontalDLUsToPixels(int dlus) {
return Dialog.convertHorizontalDLUsToPixels(fFontMetrics, dlus);
}
/*
* @see org.eclipse.jface.dialogs.DialogPage#convertVerticalDLUsToPixels(int)
*/
public int convertVerticalDLUsToPixels(int dlus) {
return Dialog.convertVerticalDLUsToPixels(fFontMetrics, dlus);
}
/*
* @see org.eclipse.jface.dialogs.DialogPage#convertWidthInCharsToPixels(int)
*/
public int convertWidthInCharsToPixels(int chars) {
return Dialog.convertWidthInCharsToPixels(fFontMetrics, chars);
}
}