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java.lang.Objectorg.eclipse.actf.visualization.util.ImageOverlayUtil
public class ImageOverlayUtil
Utility class to create overlay image
Field Summary | |
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static org.eclipse.swt.graphics.PaletteData |
PALETTE
24 bit direct palette used for overlay. |
Constructor Summary | |
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ImageOverlayUtil()
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Method Summary | |
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static boolean |
overlay(org.eclipse.swt.graphics.Image base,
org.eclipse.swt.graphics.Image overlay)
Overlay image onto base image. |
static boolean |
overlay(org.eclipse.swt.graphics.Image base,
int[][] pixels,
int alpha)
Overlay pixels onto base image. |
static boolean |
overlay(org.eclipse.swt.graphics.Image base,
int width,
int[] pixels,
int alpha)
Overlay pixels onto base image. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final org.eclipse.swt.graphics.PaletteData PALETTE
Constructor Detail |
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public ImageOverlayUtil()
Method Detail |
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public static boolean overlay(org.eclipse.swt.graphics.Image base, org.eclipse.swt.graphics.Image overlay)
base
- the target image to add overlayoverlay
- the overlay image. alpha value of the Image should be set in
advance.
public static boolean overlay(org.eclipse.swt.graphics.Image base, int[][] pixels, int alpha)
base
- the target image to add overlaypixels
- the pixel data array of the overlay image in [y][x] formatalpha
- the global alpha value to be used for every pixel
to understand how to specify pixel value
public static boolean overlay(org.eclipse.swt.graphics.Image base, int width, int[] pixels, int alpha)
base
- the target image to add overlaywidth
- the width of the overlay imagepixels
- the pixel data array of the overlay imagealpha
- the global alpha value to be used for every pixel
to understand how to specify pixel value
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