Class IconExe.PaletteData
- java.lang.Object
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- org.eclipse.pde.internal.swt.tools.IconExe.PaletteData
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- Enclosing class:
- IconExe
static class IconExe.PaletteData extends java.lang.Object
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Field Summary
Fields Modifier and Type Field Description int
blueMask
the blue mask for a direct paletteint
blueShift
the blue shift for a direct paletteIconExe.RGB[]
colors
the RGB values for an indexed palette, where the indices of the array correspond to pixel valuesint
greenMask
the green mask for a direct paletteint
greenShift
the green shift for a direct paletteboolean
isDirect
true if the receiver is a direct palette, and false otherwiseint
redMask
the red mask for a direct paletteint
redShift
the red shift for a direct palette
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Constructor Summary
Constructors Constructor Description PaletteData(int redMask, int greenMask, int blueMask)
Constructs a new direct palette given the red, green and blue masks.PaletteData(IconExe.RGB[] colors)
Constructs a new indexed palette given an array of RGB values.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
getPixel(IconExe.RGB rgb)
Returns the pixel value corresponding to the givenRBG
.IconExe.RGB
getRGB(int pixel)
Returns anRGB
corresponding to the given pixel value.IconExe.RGB[]
getRGBs()
Returns all the RGB values in the receiver if it is an indexed palette, or null if it is a direct palette.(package private) int
shiftForMask(int mask)
Computes the shift value for a given mask.
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Field Detail
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isDirect
public boolean isDirect
true if the receiver is a direct palette, and false otherwise
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colors
public IconExe.RGB[] colors
the RGB values for an indexed palette, where the indices of the array correspond to pixel values
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redMask
public int redMask
the red mask for a direct palette
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greenMask
public int greenMask
the green mask for a direct palette
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blueMask
public int blueMask
the blue mask for a direct palette
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redShift
public int redShift
the red shift for a direct palette
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greenShift
public int greenShift
the green shift for a direct palette
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blueShift
public int blueShift
the blue shift for a direct palette
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Constructor Detail
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PaletteData
public PaletteData(IconExe.RGB[] colors)
Constructs a new indexed palette given an array of RGB values.- Parameters:
colors
- the array ofRGB
s for the palette- Throws:
java.lang.IllegalArgumentException
-- ERROR_NULL_ARGUMENT - if the argument is null
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PaletteData
public PaletteData(int redMask, int greenMask, int blueMask)
Constructs a new direct palette given the red, green and blue masks.- Parameters:
redMask
- the red maskgreenMask
- the green maskblueMask
- the blue mask
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Method Detail
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getPixel
public int getPixel(IconExe.RGB rgb)
Returns the pixel value corresponding to the givenRBG
.- Parameters:
rgb
- the RGB to get the pixel value for- Returns:
- the pixel value for the given RGB
- Throws:
java.lang.IllegalArgumentException
-- ERROR_NULL_ARGUMENT - if the argument is null
- ERROR_INVALID_ARGUMENT - if the RGB is not found in the palette
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getRGB
public IconExe.RGB getRGB(int pixel)
Returns anRGB
corresponding to the given pixel value.- Parameters:
pixel
- the pixel to get the RGB value for- Returns:
- the RGB value for the given pixel
- Throws:
java.lang.IllegalArgumentException
-- ERROR_NULL_ARGUMENT - if the argument is null
- ERROR_INVALID_ARGUMENT - if the pixel does not exist in the palette
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getRGBs
public IconExe.RGB[] getRGBs()
Returns all the RGB values in the receiver if it is an indexed palette, or null if it is a direct palette.- Returns:
- the
RGB
s for the receiver or null
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shiftForMask
int shiftForMask(int mask)
Computes the shift value for a given mask.- Parameters:
mask
- the mask to compute the shift for- Returns:
- the shift amount
- See Also:
IconExe.PaletteData
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