C# Class System.Windows.Media.Imaging.WriteableBitmapExtensions

Collection of draw extension methods for the Silverlight WriteableBitmap class.

显示文件 Open project: teichgraf/WriteableBitmapEx Class Usage Examples

Public Methods

Method	Description
Blit ( BitmapContext destContext, int dpw, int dph, Rect destRect, BitmapContext srcContext, Rect sourceRect, int sourceWidth ) : void
Blit ( this bmp, Point destPosition, System.Windows.Media.Imaging.WriteableBitmap source, Rect sourceRect, Color color, BlendMode blendMode ) : void	Copies (blits) the pixels from the WriteableBitmap source to the destination WriteableBitmap (this).
Blit ( this bmp, Rect destRect, System.Windows.Media.Imaging.WriteableBitmap source, Rect sourceRect ) : void	Copies (blits) the pixels from the WriteableBitmap source to the destination WriteableBitmap (this).
Blit ( this bmp, Rect destRect, System.Windows.Media.Imaging.WriteableBitmap source, Rect sourceRect, BlendMode blendMode ) : void	Copies (blits) the pixels from the WriteableBitmap source to the destination WriteableBitmap (this).
BlitRender ( this bmp, System.Windows.Media.Imaging.WriteableBitmap source, bool shouldClear = true, float opacity = 1f, GeneralTransform transform = null ) : void	Renders a bitmap using any affine transformation and transparency into this bitmap Unlike Silverlight's Render() method, this one uses 2-3 times less memory, and is the same or better quality The algorithm is simple dx/dy (bresenham-like) step by step painting, optimized with fixed point and fast bilinear filtering It's used in Fantasia Painter for drawing stickers and 3D objects on screen
DrawEllipse ( this bmp, int x1, int y1, int x2, int y2, Color color ) : void	A Fast Bresenham Type Algorithm For Drawing Ellipses http://homepage.smc.edu/kennedy_john/belipse.pdf x2 has to be greater than x1 and y2 has to be greater than y1.
DrawEllipse ( this bmp, int x1, int y1, int x2, int y2, int color ) : void	A Fast Bresenham Type Algorithm For Drawing Ellipses http://homepage.smc.edu/kennedy_john/belipse.pdf x2 has to be greater than x1 and y2 has to be greater than y1.
DrawEllipseCentered ( this bmp, int xc, int yc, int xr, int yr, Color color ) : void	A Fast Bresenham Type Algorithm For Drawing Ellipses http://homepage.smc.edu/kennedy_john/belipse.pdf Uses a different parameter representation than DrawEllipse().
DrawEllipseCentered ( this bmp, int xc, int yc, int xr, int yr, int color ) : void	A Fast Bresenham Type Algorithm For Drawing Ellipses http://homepage.smc.edu/kennedy_john/belipse.pdf Uses a different parameter representation than DrawEllipse().
DrawPolyline ( this bmp, int points, Color color ) : void	Draws a polyline. Add the first point also at the end of the array if the line should be closed.
DrawPolyline ( this bmp, int points, int color ) : void	Draws a polyline anti-aliased. Add the first point also at the end of the array if the line should be closed.
DrawPolylineAa ( this bmp, int points, Color color ) : void	Draws a polyline. Add the first point also at the end of the array if the line should be closed.
DrawPolylineAa ( this bmp, int points, int color ) : void	Draws a polyline anti-aliased. Add the first point also at the end of the array if the line should be closed.
DrawQuad ( this bmp, int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4, Color color ) : void	Draws a quad.
DrawQuad ( this bmp, int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4, int color ) : void	Draws a quad.
DrawRectangle ( this bmp, int x1, int y1, int x2, int y2, Color color ) : void	Draws a rectangle. x2 has to be greater than x1 and y2 has to be greater than y1.
DrawRectangle ( this bmp, int x1, int y1, int x2, int y2, int color ) : void	Draws a rectangle. x2 has to be greater than x1 and y2 has to be greater than y1.
DrawTriangle ( this bmp, int x1, int y1, int x2, int y2, int x3, int y3, Color color ) : void	Draws a triangle.
DrawTriangle ( this bmp, int x1, int y1, int x2, int y2, int x3, int y3, int color ) : void	Draws a triangle.

Private Methods

Method	Description
Blit ( this bmp, Rect destRect, System.Windows.Media.Imaging.WriteableBitmap source, Rect sourceRect, Color color, BlendMode blendMode ) : void	Copies (blits) the pixels from the WriteableBitmap source to the destination WriteableBitmap (this).

Method Details

Blit() public static method

public static Blit ( BitmapContext destContext, int dpw, int dph, Rect destRect, BitmapContext srcContext, Rect sourceRect, int sourceWidth ) : void
destContext	BitmapContext
dpw	int
dph	int
destRect	Rect
srcContext	BitmapContext
sourceRect	Rect
sourceWidth	int
return	void

Blit() public static method

Copies (blits) the pixels from the WriteableBitmap source to the destination WriteableBitmap (this).

public static Blit ( this bmp, Point destPosition, System.Windows.Media.Imaging.WriteableBitmap source, Rect sourceRect, Color color, BlendMode blendMode ) : void
bmp	this	The destination WriteableBitmap.
destPosition	Point	The destination position in the destination bitmap.
source	System.Windows.Media.Imaging.WriteableBitmap	The source WriteableBitmap.
sourceRect	Rect	The rectangle that will be copied from the source to the destination.
color	Color	If not Colors.White, will tint the source image. A partially transparent color and the image will be drawn partially transparent.
blendMode	BlendMode	The blending mode .
return	void

Blit() public static method

Copies (blits) the pixels from the WriteableBitmap source to the destination WriteableBitmap (this).

public static Blit ( this bmp, Rect destRect, System.Windows.Media.Imaging.WriteableBitmap source, Rect sourceRect ) : void
bmp	this	The destination WriteableBitmap.
destRect	Rect	The rectangle that defines the destination region.
source	System.Windows.Media.Imaging.WriteableBitmap	The source WriteableBitmap.
sourceRect	Rect	The rectangle that will be copied from the source to the destination.
return	void

Blit() public static method

Copies (blits) the pixels from the WriteableBitmap source to the destination WriteableBitmap (this).

public static Blit ( this bmp, Rect destRect, System.Windows.Media.Imaging.WriteableBitmap source, Rect sourceRect, BlendMode blendMode ) : void
bmp	this	The destination WriteableBitmap.
destRect	Rect	The rectangle that defines the destination region.
source	System.Windows.Media.Imaging.WriteableBitmap	The source WriteableBitmap.
sourceRect	Rect	The rectangle that will be copied from the source to the destination.
blendMode	BlendMode	The blending mode .
return	void

BlitRender() public static method

Renders a bitmap using any affine transformation and transparency into this bitmap Unlike Silverlight's Render() method, this one uses 2-3 times less memory, and is the same or better quality The algorithm is simple dx/dy (bresenham-like) step by step painting, optimized with fixed point and fast bilinear filtering It's used in Fantasia Painter for drawing stickers and 3D objects on screen

public static BlitRender ( this bmp, System.Windows.Media.Imaging.WriteableBitmap source, bool shouldClear = true, float opacity = 1f, GeneralTransform transform = null ) : void
bmp	this	Destination bitmap.
source	System.Windows.Media.Imaging.WriteableBitmap	The source WriteableBitmap.
shouldClear	bool	If true, the the destination bitmap will be set to all clear (0) before rendering.
opacity	float	opacity of the source bitmap to render, between 0 and 1 inclusive
transform	GeneralTransform	Transformation to apply
return	void

DrawEllipse() public static method

A Fast Bresenham Type Algorithm For Drawing Ellipses http://homepage.smc.edu/kennedy_john/belipse.pdf x2 has to be greater than x1 and y2 has to be greater than y1.

public static DrawEllipse ( this bmp, int x1, int y1, int x2, int y2, Color color ) : void
bmp	this	The WriteableBitmap.
x1	int	The x-coordinate of the bounding rectangle's left side.
y1	int	The y-coordinate of the bounding rectangle's top side.
x2	int	The x-coordinate of the bounding rectangle's right side.
y2	int	The y-coordinate of the bounding rectangle's bottom side.
color	Color	The color for the line.
return	void

DrawEllipse() public static method

A Fast Bresenham Type Algorithm For Drawing Ellipses http://homepage.smc.edu/kennedy_john/belipse.pdf x2 has to be greater than x1 and y2 has to be greater than y1.

public static DrawEllipse ( this bmp, int x1, int y1, int x2, int y2, int color ) : void
bmp	this	The WriteableBitmap.
x1	int	The x-coordinate of the bounding rectangle's left side.
y1	int	The y-coordinate of the bounding rectangle's top side.
x2	int	The x-coordinate of the bounding rectangle's right side.
y2	int	The y-coordinate of the bounding rectangle's bottom side.
color	int	The color for the line.
return	void

DrawEllipseCentered() public static method

A Fast Bresenham Type Algorithm For Drawing Ellipses http://homepage.smc.edu/kennedy_john/belipse.pdf Uses a different parameter representation than DrawEllipse().

public static DrawEllipseCentered ( this bmp, int xc, int yc, int xr, int yr, Color color ) : void
bmp	this	The WriteableBitmap.
xc	int	The x-coordinate of the ellipses center.
yc	int	The y-coordinate of the ellipses center.
xr	int	The radius of the ellipse in x-direction.
yr	int	The radius of the ellipse in y-direction.
color	Color	The color for the line.
return	void

DrawEllipseCentered() public static method

A Fast Bresenham Type Algorithm For Drawing Ellipses http://homepage.smc.edu/kennedy_john/belipse.pdf Uses a different parameter representation than DrawEllipse().

public static DrawEllipseCentered ( this bmp, int xc, int yc, int xr, int yr, int color ) : void
bmp	this	The WriteableBitmap.
xc	int	The x-coordinate of the ellipses center.
yc	int	The y-coordinate of the ellipses center.
xr	int	The radius of the ellipse in x-direction.
yr	int	The radius of the ellipse in y-direction.
color	int	The color for the line.
return	void

DrawPolyline() public static method

Draws a polyline. Add the first point also at the end of the array if the line should be closed.

public static DrawPolyline ( this bmp, int points, Color color ) : void
bmp	this	The WriteableBitmap.
points	int	The points of the polyline in x and y pairs, therefore the array is interpreted as (x1, y1, x2, y2, ..., xn, yn).
color	Color	The color for the line.
return	void

DrawPolyline() public static method

Draws a polyline anti-aliased. Add the first point also at the end of the array if the line should be closed.

public static DrawPolyline ( this bmp, int points, int color ) : void
bmp	this	The WriteableBitmap.
points	int	The points of the polyline in x and y pairs, therefore the array is interpreted as (x1, y1, x2, y2, ..., xn, yn).
color	int	The color for the line.
return	void

DrawPolylineAa() public static method

Draws a polyline. Add the first point also at the end of the array if the line should be closed.

public static DrawPolylineAa ( this bmp, int points, Color color ) : void
bmp	this	The WriteableBitmap.
points	int	The points of the polyline in x and y pairs, therefore the array is interpreted as (x1, y1, x2, y2, ..., xn, yn).
color	Color	The color for the line.
return	void

DrawPolylineAa() public static method

Draws a polyline anti-aliased. Add the first point also at the end of the array if the line should be closed.

public static DrawPolylineAa ( this bmp, int points, int color ) : void
bmp	this	The WriteableBitmap.
points	int	The points of the polyline in x and y pairs, therefore the array is interpreted as (x1, y1, x2, y2, ..., xn, yn).
color	int	The color for the line.
return	void

DrawQuad() public static method

Draws a quad.

public static DrawQuad ( this bmp, int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4, Color color ) : void
bmp	this	The WriteableBitmap.
x1	int	The x-coordinate of the 1st point.
y1	int	The y-coordinate of the 1st point.
x2	int	The x-coordinate of the 2nd point.
y2	int	The y-coordinate of the 2nd point.
x3	int	The x-coordinate of the 3rd point.
y3	int	The y-coordinate of the 3rd point.
x4	int	The x-coordinate of the 4th point.
y4	int	The y-coordinate of the 4th point.
color	Color	The color.
return	void

DrawQuad() public static method

Draws a quad.

public static DrawQuad ( this bmp, int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4, int color ) : void
bmp	this	The WriteableBitmap.
x1	int	The x-coordinate of the 1st point.
y1	int	The y-coordinate of the 1st point.
x2	int	The x-coordinate of the 2nd point.
y2	int	The y-coordinate of the 2nd point.
x3	int	The x-coordinate of the 3rd point.
y3	int	The y-coordinate of the 3rd point.
x4	int	The x-coordinate of the 4th point.
y4	int	The y-coordinate of the 4th point.
color	int	The color.
return	void

DrawRectangle() public static method

Draws a rectangle. x2 has to be greater than x1 and y2 has to be greater than y1.

public static DrawRectangle ( this bmp, int x1, int y1, int x2, int y2, Color color ) : void
bmp	this	The WriteableBitmap.
x1	int	The x-coordinate of the bounding rectangle's left side.
y1	int	The y-coordinate of the bounding rectangle's top side.
x2	int	The x-coordinate of the bounding rectangle's right side.
y2	int	The y-coordinate of the bounding rectangle's bottom side.
color	Color	The color.
return	void

DrawRectangle() public static method

Draws a rectangle. x2 has to be greater than x1 and y2 has to be greater than y1.

public static DrawRectangle ( this bmp, int x1, int y1, int x2, int y2, int color ) : void
bmp	this	The WriteableBitmap.
x1	int	The x-coordinate of the bounding rectangle's left side.
y1	int	The y-coordinate of the bounding rectangle's top side.
x2	int	The x-coordinate of the bounding rectangle's right side.
y2	int	The y-coordinate of the bounding rectangle's bottom side.
color	int	The color.
return	void

DrawTriangle() public static method

Draws a triangle.

public static DrawTriangle ( this bmp, int x1, int y1, int x2, int y2, int x3, int y3, Color color ) : void
bmp	this	The WriteableBitmap.
x1	int	The x-coordinate of the 1st point.
y1	int	The y-coordinate of the 1st point.
x2	int	The x-coordinate of the 2nd point.
y2	int	The y-coordinate of the 2nd point.
x3	int	The x-coordinate of the 3rd point.
y3	int	The y-coordinate of the 3rd point.
color	Color	The color.
return	void

DrawTriangle() public static method

Draws a triangle.

public static DrawTriangle ( this bmp, int x1, int y1, int x2, int y2, int x3, int y3, int color ) : void
bmp	this	The WriteableBitmap.
x1	int	The x-coordinate of the 1st point.
y1	int	The y-coordinate of the 1st point.
x2	int	The x-coordinate of the 2nd point.
y2	int	The y-coordinate of the 2nd point.
x3	int	The x-coordinate of the 3rd point.
y3	int	The y-coordinate of the 3rd point.
color	int	The color.
return	void