C# Class Sphere.Core.Utility.FastBitmap

Used to efficiently and quickly manipulate bitmaps.

Public Methods

Method	Description
Clone ( ) : Bitmap	Creates a clone of the wrapped image object.
Clone ( Rectangle rect, PixelFormat format ) : Bitmap	Grabs a sub-section clone of the wrapped image.
Clone ( RectangleF rect, PixelFormat format ) : Bitmap	Grabs a sub-section clone of the wrapped image.
ColorsEqual ( Color col1, Color col2 ) : bool	Determines if two colors equal.
DrawImage ( Bitmap img, int x, int y ) : void	Draws another bitmap into this image using straight-up pixel data. Not as fast as the Graphics.DrawImage();
FastBitmap ( Bitmap img ) : System	Creates a FastBitmap wrapper for an image object.
FlattenAlpha ( ) : void	Sets all transparency to max value.
FloodFill ( int x, int y, Color newColor ) : Rectangle	Replaces the colors of a particular area:
GetPixel ( int x, int y ) : Color	Gets a pixel at the x/y location.
Grayscale ( ) : void	Converts the image to a grayscale representation.
LockImage ( ) : void	Locks the image to get it ready for fast manipluations.
ReplaceColor ( Color oldC, Color newC ) : void	Replaces an old color with a new color.
SetPixel ( int x, int y, Color color ) : void	Sets a pixel at the x/y location to the new color.
UnlockImage ( ) : void	Unlocks the image.

Private Methods

Method	Description
CheckFloodPoint ( Stack points, int x, int y, Color oldC, Color newC ) : void
SetAlpha ( int x, int y, byte alpha ) : void
ToGray ( int x, int y ) : void

Method Details

Clone() public method

Creates a clone of the wrapped image object.

public Clone ( ) : Bitmap
return	System.Drawing.Bitmap

Clone() public method

Grabs a sub-section clone of the wrapped image.

public Clone ( Rectangle rect, PixelFormat format ) : Bitmap
rect	System.Drawing.Rectangle	The rectangle to cut from.
format	PixelFormat	The PixelFomat to use.
return	System.Drawing.Bitmap

Clone() public method

Grabs a sub-section clone of the wrapped image.

public Clone ( RectangleF rect, PixelFormat format ) : Bitmap
rect	System.Drawing.RectangleF	The rectangle to cut from.
format	PixelFormat	The PixelFomat to use.
return	System.Drawing.Bitmap

ColorsEqual() public static method

Determines if two colors equal.

public static ColorsEqual ( Color col1, Color col2 ) : bool
col1	Color	The color to compare.
col2	Color	The color to compare against.
return	bool

DrawImage() public method

Draws another bitmap into this image using straight-up pixel data. Not as fast as the Graphics.DrawImage();

public DrawImage ( Bitmap img, int x, int y ) : void
img	System.Drawing.Bitmap	The source image.
x	int	x location in pixels.
y	int	y location in pixels.
return	void

FastBitmap() public method

Creates a FastBitmap wrapper for an image object.

public FastBitmap ( Bitmap img ) : System
img	System.Drawing.Bitmap	The image object to wrap.
return	System

FlattenAlpha() public method

Sets all transparency to max value.

public FlattenAlpha ( ) : void
return	void

FloodFill() public method

Replaces the colors of a particular area:

public FloodFill ( int x, int y, Color newColor ) : Rectangle
x	int	start x
y	int	start y
newColor	Color	color to replace with
return	System.Drawing.Rectangle

GetPixel() public method

Gets a pixel at the x/y location.

Invalid color format.

public GetPixel ( int x, int y ) : Color
x	int	The x pixel location.
y	int	The y pixel location.
return	Color

Grayscale() public method

Converts the image to a grayscale representation.

public Grayscale ( ) : void
return	void

LockImage() public method

Locks the image to get it ready for fast manipluations.

public LockImage ( ) : void
return	void

ReplaceColor() public method

Replaces an old color with a new color.

public ReplaceColor ( Color oldC, Color newC ) : void
oldC	Color	The color in the image to edit.
newC	Color	The color to replace with.
return	void

SetPixel() public method

Sets a pixel at the x/y location to the new color.

public SetPixel ( int x, int y, Color color ) : void
x	int	The x pixel location.
y	int	The y pixel location.
color	Color	The color to set the pixel to.
return	void

UnlockImage() public method

Unlocks the image.

public UnlockImage ( ) : void
return	void