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

org.eclipse.swt.graphics.GC.drawRectangle()
Draws the outline of the rectangle specified by the arguments, using the receiver's foreground color. The left and right edges of the rectangle are at x and x + width. The top and bottom edges are at y and y + height. @param x the x coordinate of the rectangle to be drawn @param y the y coordinate of the rectangle to be drawn @param width the width of the rectangle to be drawn @param height the height of the rectangle to be drawn @exception SWTException
- ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed

        
        Display display= fButton.getDisplay();
        
        GC gc= new GC(fImage);
        gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
        gc.drawRectangle(0, 2, fExtent.x - 1, fExtent.y - 4);
        
        if (fColor != null)
            fColor.dispose();
            
        fColor= new Color(display, fColorValue);

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        gc.setBackground(fill);
        gc.fillRectangle(2, 2, w - 4, h - 4);


        gc.setForeground(line);
        gc.setLineWidth(width);
        gc.drawRectangle(2, 2, w - 4, w - 4);


        return descriptor(imageData, image, gc);
    }
    
    public static ImageDescriptor raster( int lineColor, int fillColor, int width ) {

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        gc.setBackground(fill);
        gc.fillRectangle(2, 2, w - 4, h - 4);


        gc.setForeground(line);
        gc.setLineWidth(width);
        gc.drawRectangle(2, 2, w - 4, w - 4);


        return descriptor(imageData, image, gc);
    }
}

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        GC gc = new GC(newImage);


        if (bandIndex < 0 || bandIndex > histogramData.length) {
            // draw border and return nothing
            gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
            gc.drawRectangle(0, 0, bounds.width - 1, bounds.height - 1);
            return;
        }


        int[] histValues = histogramData[bandIndex];
        int max = -1;

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                if (i % inc == 0) {
                    // show the average value so no data is skipped
                    values = values / cnt;
                    int height = (int) (((bounds.height - 1) * values) / max);
                    if (height > 0) {
                        gc.drawRectangle(i * size, (bounds.height - 1), size, -height);
                    }
                    values = 0;
                    cnt = 0;
                }
            }

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            if (cnt > 0) {
                values = values / cnt;


                int height = (int) (((bounds.height - 1) * values) / max);
                if (height > 0) {
                    gc.drawRectangle(bounds.width - 2, (bounds.height - 1), size, -height);
                }
            }
            gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
            gc.drawRectangle(0, 0, bounds.width - 1, bounds.height - 1);

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                if (height > 0) {
                    gc.drawRectangle(bounds.width - 2, (bounds.height - 1), size, -height);
                }
            }
            gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
            gc.drawRectangle(0, 0, bounds.width - 1, bounds.height - 1);


        } finally {
            gc.dispose();
            if (color2 != null) {
                color2.dispose();

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    /**
     * @param index
     */
    protected void updateButtonColourDisplay( ColourScheme scheme, int index ) {
        GC gc = new GC(image);
        gc.drawRectangle(0, 2, fExtent.x, fExtent.y);
        
        if (swtColour != null)
            swtColour.dispose();


        Color clr = scheme.getColour(index);

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                    gc.fillRectangle( 1, 1, imageSize.width-2, imageSize.height-2);
                    c.dispose();
                    
                    gc.setAlpha(150);
                    gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
                    gc.drawRectangle(1, 1, imageSize.width - 2, imageSize.height-2);
                    
                    ImageData clone = (ImageData) swtImage.getImageData().clone();                
                    swtImage.dispose();
                    
                    return clone;

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                    gc.setBackground( c );
                    gc.fillRectangle( 1, 1, imageSize.width-2, imageSize.height-2);
                    
                    gc.setAlpha(150);
                    gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
                    gc.drawRectangle(1, 1, imageSize.width - 2, imageSize.height-2);
                    
                    c.dispose();
                    
                    ImageData clone = (ImageData) swtImage.getImageData().clone();                
                    swtImage.dispose();

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