Examples of org.eclipse.swt.graphics.GC.textExtent()

org.eclipse.swt.graphics.GC.textExtent()
Returns the extent of the given string. Tab expansion and carriage return processing are performed.
The extent of a string is the width and height of the rectangular area it would cover if drawn in a particular font (in this case, the current font in the receiver).
@param string the string to measure @return a point containing the extent of the string @exception IllegalArgumentException
- ERROR_NULL_ARGUMENT - if the string is null
@exception SWTException
- ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed

            tmpGC.setFont(tmpFont);
            JPanel DUMMY_PANEL = new JPanel();
            java.awt.Font tmpAwtFont = new java.awt.Font(fontData.getName(),
                    fontData.getStyle(), height);
            if (DUMMY_PANEL.getFontMetrics(tmpAwtFont).stringWidth(Az)
                    > tmpGC.textExtent(Az).x) {
                while (DUMMY_PANEL.getFontMetrics(tmpAwtFont).stringWidth(Az)
                        > tmpGC.textExtent(Az).x) {
                    height--;
                    tmpAwtFont = new java.awt.Font(fontData.getName(),
                            fontData.getStyle(), height);

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            java.awt.Font tmpAwtFont = new java.awt.Font(fontData.getName(),
                    fontData.getStyle(), height);
            if (DUMMY_PANEL.getFontMetrics(tmpAwtFont).stringWidth(Az)
                    > tmpGC.textExtent(Az).x) {
                while (DUMMY_PANEL.getFontMetrics(tmpAwtFont).stringWidth(Az)
                        > tmpGC.textExtent(Az).x) {
                    height--;
                    tmpAwtFont = new java.awt.Font(fontData.getName(),
                            fontData.getStyle(), height);
                }
            }

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                    tmpAwtFont = new java.awt.Font(fontData.getName(),
                            fontData.getStyle(), height);
                }
            }
            else if (DUMMY_PANEL.getFontMetrics(tmpAwtFont).stringWidth(Az)
                    < tmpGC.textExtent(Az).x) {
                while (DUMMY_PANEL.getFontMetrics(tmpAwtFont).stringWidth(Az)
                        < tmpGC.textExtent(Az).x) {
                    height++;
                    tmpAwtFont = new java.awt.Font(fontData.getName(),
                            fontData.getStyle(), height);

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                }
            }
            else if (DUMMY_PANEL.getFontMetrics(tmpAwtFont).stringWidth(Az)
                    < tmpGC.textExtent(Az).x) {
                while (DUMMY_PANEL.getFontMetrics(tmpAwtFont).stringWidth(Az)
                        < tmpGC.textExtent(Az).x) {
                    height++;
                    tmpAwtFont = new java.awt.Font(fontData.getName(),
                            fontData.getStyle(), height);
                }
            }

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        String oldText = text.getText();
        String newText = oldText.substring(0, event.start) + event.text
            + oldText.substring(event.end, oldText.length());


        GC gc = new GC(text);
        Point size = gc.textExtent(newText);
        gc.dispose();
        if (size.x == 0) {
          size.x = size.y;
        } else {
          size = text.computeSize(size.x, size.y);

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    // Create a GC to calculate font's dimensions
    GC gc = new GC(display);
    gc.setFont(font);


    // Determine string's dimensions
    Point pt = gc.textExtent(text);


    // Dispose that gc
    gc.dispose();


    // Create an image the same size as the string

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      return null;
    }
        String returnText = textValue;
        GC gc = new GC(item.getParent());
        int maxWidth = getMaxWidth(item.getImage());
        if (gc.textExtent(textValue).x >= maxWidth) {
            for (int i = textValue.length(); i > 0; i--) {
                String test = textValue.substring(0, i);
                test = test + ellipsis;
                if (gc.textExtent(test).x < maxWidth) {
                    returnText = test;

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        int maxWidth = getMaxWidth(item.getImage());
        if (gc.textExtent(textValue).x >= maxWidth) {
            for (int i = textValue.length(); i > 0; i--) {
                String test = textValue.substring(0, i);
                test = test + ellipsis;
                if (gc.textExtent(test).x < maxWidth) {
                    returnText = test;
                    break;
                }
            }
        }

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      String delimiters = ", ";
      String avail = blockIfEmpty(itemColl.GetItemAvailability(id),"Available: ");  
      String backAvail = avail;
      Rectangle r = infoLine2.getBounds();
      GC gc = new GC(infoLine2);
      Point p2 = gc.textExtent(avail);
      while (p2.x > r.width)
      {        
        int lastIdx = 0;
        for (int iDelimited = 0; iDelimited < delimiters.length();iDelimited++)
        {

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          {
            lastIdx = idx;
          }
        }
        avail = avail.substring(0, lastIdx+1);  
        p2 = gc.textExtent(avail);
      }  
      gc.dispose();
      infoLine2.setText(backAvail.substring(0,avail.length()));
      infoLine3.setText(backAvail.substring(avail.length()));
      }

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