Class SVGAIICanvas

SVGAIIScreen class. Used to draw ractengales to the screen. See also: Canvas.

Inheritance

System.Object

Canvas

SVGAIICanvas

Inherited Members

Canvas.Clear()

Canvas.DrawLine(Color, Int32, Int32, Int32, Int32)

Canvas.DrawLine(Color, Single, Single, Single, Single)

Canvas.DrawCircle(Color, Int32, Int32, Int32)

Canvas.DrawFilledCircle(Color, Int32, Int32, Int32)

Canvas.DrawEllipse(Color, Int32, Int32, Int32, Int32)

Canvas.DrawFilledEllipse(Color, Int32, Int32, Int32, Int32)

Canvas.DrawArc(Int32, Int32, Int32, Int32, Color, Int32, Int32)

Canvas.DrawPolygon(Color, Point[])

Canvas.DrawSquare(Color, Int32, Int32, Int32)

Canvas.DrawRectangle(Color, Int32, Int32, Int32, Int32)

Canvas.DrawTriangle(Color, Int32, Int32, Int32, Int32, Int32, Int32)

Canvas.DrawRectangle(Color, Single, Single, Single, Single)

Canvas.DrawImage(Image, Int32, Int32, Int32, Int32)

Canvas.DrawImageAlpha(Image, Int32, Int32)

Canvas.CheckIfModeIsValid(Mode)

Canvas.ThrowIfModeIsNotValid(Mode)

Canvas.ThrowIfCoordNotValid(Int32, Int32)

Canvas.TrimLine(Int32, Int32, Int32, Int32)

Canvas.AlphaBlend(Color, Color, Byte)

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Cosmos.System.Graphics

Assembly: Cosmos.System2.dll

Syntax

public class SVGAIICanvas : Canvas

Constructors

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SVGAIICanvas()

Create new instance of the SVGAIICanvas class.

Declaration

public SVGAIICanvas()

Exceptions

Type	Condition
System.ArgumentOutOfRangeException	Thrown if default graphics mode is not suppoted.

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SVGAIICanvas(Mode)

Create new instance of the SVGAIICanvas class.

Declaration

public SVGAIICanvas(Mode aMode)

Parameters

Type	Name	Description
Mode	aMode	A graphics mode.

Exceptions

Type	Condition
System.ArgumentOutOfRangeException	Thrown if mode is not suppoted.

Properties

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AvailableModes

Available SVGA 2 supported video modes.

SD:

320x200x32.
320x240x32.
640x480x32.
720x480x32.
800x600x32.
1024x768x32.
1152x768x32.

HD:

1280x720x32.
1280x768x32.
1280x800x32.
1280x1024x32.

HDR:

1360x768x32.
1366x768x32.
1440x900x32.
1400x1050x32.
1600x1200x32.
1680x1050x32.

HDTV:

1920x1080x32.
1920x1200x32.

2K:

2048x1536x32.
2560x1080x32.
2560x1600x32.
2560x2048x32.
3200x2048x32.
3200x2400x32.
3840x2400x32.

Declaration

public override List<Mode> AvailableModes { get; }

Property Value

Type	Description
System.Collections.Generic.List<Mode>

Overrides

Canvas.AvailableModes

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DefaultGraphicMode

Override canvas dufault graphics mode.

Declaration

public override Mode DefaultGraphicMode { get; }

Property Value

Type	Description
Mode

Overrides

Canvas.DefaultGraphicMode

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Mode

Get and set graphics mode.

Declaration

public override Mode Mode { get; set; }

Property Value

Type	Description
Mode

Overrides

Canvas.Mode

Exceptions

Type	Condition
System.ArgumentOutOfRangeException	(set) Thrown if mode is not suppoted.

Methods

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Clear(Color)

Clear screen to specified color.

Declaration

public override void Clear(Color aColor)

Parameters

Type	Name	Description
System.Drawing.Color	aColor	Color.

Overrides

Canvas.Clear(Color)

Exceptions

Type	Condition
System.Exception	Thrown on memory access violation.
System.NotImplementedException	Thrown if VMWare SVGA 2 has no rectange copy capability

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Clear(Int32)

Clear screen to specified color.

Declaration

public override void Clear(int aColor)

Parameters

Type	Name	Description
System.Int32	aColor	Color in ARGB.

Overrides

Canvas.Clear(Int32)

Exceptions

Type	Condition
System.Exception	Thrown on memory access violation.
System.NotImplementedException	Thrown if VMWare SVGA 2 has no rectange copy capability

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CopyPixel(Int32, Int32, Int32, Int32, Int32, Int32)

Copy pixel

Declaration

public void CopyPixel(int aX, int aY, int aNewX, int aNewY, int aWidth = 1, int aHeight = 1)

Parameters

Type	Name	Description
System.Int32	aX	A source X coordinate.
System.Int32	aY	A source Y coordinate.
System.Int32	aNewX	A destination X coordinate.
System.Int32	aNewY	A destination Y coordinate.
System.Int32	aWidth	A width.
System.Int32	aHeight	A height.

Exceptions

Type	Condition
System.NotImplementedException	Thrown if VMWare SVGA 2 has no rectangle copy capability

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CreateCursor()

Create cursor.

Declaration

public void CreateCursor()

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Disable()

Disables the SVGA driver, parent method returns to VGA text mode

Declaration

public override void Disable()

Overrides

Canvas.Disable()

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Display()

Display screen

Declaration

public override void Display()

Overrides

Canvas.Display()

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DrawArray(Color[], Int32, Int32, Int32, Int32)

Draw array of colors. Not implemented.

Declaration

public override void DrawArray(Color[] aColors, int aX, int aY, int aWidth, int aHeight)

Parameters

Type	Name	Description
System.Drawing.Color[]	aColors	Array of colors.
System.Int32	aX	X coordinate.
System.Int32	aY	Y coordinate.
System.Int32	aWidth	Width.
System.Int32	aHeight	Height.

Overrides

Canvas.DrawArray(Color[], Int32, Int32, Int32, Int32)

Exceptions

Type	Condition
System.NotImplementedException	Thrown always.

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DrawChar(Char, Font, Color, Int32, Int32)

Draw char.

Declaration

public override void DrawChar(char c, Font aFont, Color color, int x, int y)

Parameters

Type	Name	Description
System.Char	c
Font	aFont	Font used.
System.Drawing.Color	color	Color.
System.Int32	x	X coordinate.
System.Int32	y	Y coordinate.

Overrides

Canvas.DrawChar(Char, Font, Color, Int32, Int32)

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DrawFilledRectangle(Color, Int32, Int32, Int32, Int32)

Draw filled rectangle.

Declaration

public override void DrawFilledRectangle(Color aColor, int aX_start, int aY_start, int aWidth, int aHeight)

Parameters

Type	Name	Description
System.Drawing.Color	aColor	color to draw with.
System.Int32	aX_start	starting X coordinate.
System.Int32	aY_start	starting Y coordinate.
System.Int32	aWidth	Width.
System.Int32	aHeight	Height.

Overrides

Canvas.DrawFilledRectangle(Color, Int32, Int32, Int32, Int32)

Exceptions

Type	Condition
System.Exception	Thrown on memory access violation.
System.NotImplementedException	Thrown if VMWare SVGA 2 has no rectange copy capability

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DrawImage(Image, Int32, Int32)

Draw image.

Declaration

public override void DrawImage(Image aImage, int aX, int aY)

Parameters

Type	Name	Description
Image	aImage	Image.
System.Int32	aX	X coordinate.
System.Int32	aY	Y coordinate.

Overrides

Canvas.DrawImage(Image, Int32, Int32)

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DrawPoint(Color, Int32, Int32)

Draw point.

Declaration

public override void DrawPoint(Color aColor, int aX, int aY)

Parameters

Type	Name	Description
System.Drawing.Color	aColor	Color to draw with.
System.Int32	aX
System.Int32	aY

Overrides

Canvas.DrawPoint(Color, Int32, Int32)

Exceptions

Type	Condition
System.Exception	Thrown on memory access violation.

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DrawPoint(Color, Single, Single)

Draw point. Not implemented.

Declaration

public override void DrawPoint(Color aColor, float aX, float aY)

Parameters

Type	Name	Description
System.Drawing.Color	aColor	Color to draw with.
System.Single	aX
System.Single	aY

Overrides

Canvas.DrawPoint(Color, Single, Single)

Exceptions

Type	Condition
System.NotImplementedException	Thrown always (only int coordinates supported).

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DrawString(String, Font, Color, Int32, Int32)

Draw string.

Declaration

public override void DrawString(string str, Font aFont, Color color, int x, int y)

Parameters

Type	Name	Description
System.String	str	string to draw.
Font	aFont	Font used.
System.Drawing.Color	color	Color.
System.Int32	x	X coordinate.
System.Int32	y	Y coordinate.

Overrides

Canvas.DrawString(String, Font, Color, Int32, Int32)

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GetPixel(Int32, Int32)

Get pixel color.

Declaration

public Color GetPixel(int aX, int aY)

Parameters

Type	Name	Description
System.Int32	aX	A X coordinate.
System.Int32	aY	A Y coordinate.

Returns

Type	Description
System.Drawing.Color	Color value.

Exceptions

Type	Condition
System.Exception	Thrown on memory access violation.

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GetPointColor(Int32, Int32)

Get point color.

Declaration

public override Color GetPointColor(int aX, int aY)

Parameters

Type	Name	Description
System.Int32	aX	X coordinate.
System.Int32	aY	Y coordinate.

Returns

Type	Description
System.Drawing.Color	Color value.

Overrides

Canvas.GetPointColor(Int32, Int32)

Exceptions

Type	Condition
System.Exception	Thrown on memory access violation.

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MovePixel(Int32, Int32, Int32, Int32)

Move pixel

Declaration

public void MovePixel(int aX, int aY, int aNewX, int aNewY)

Parameters

Type	Name	Description
System.Int32	aX	A X coordinate.
System.Int32	aY	A Y coordinate.
System.Int32	aNewX	A new X coordinate.
System.Int32	aNewY	A new Y coordinate.

Exceptions

Type	Condition
System.NotImplementedException	Thrown if VMWare SVGA 2 has no rectange copy capability
System.Exception	Thrown on memory access violation.

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Name()

Name of the backend

Declaration

public override string Name()

Returns

Type	Description
System.String

Overrides

Canvas.Name()

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SetCursor(Boolean, Int32, Int32)

Set cursor.

Declaration

public void SetCursor(bool aVisible, int aX, int aY)

Parameters

Type	Name	Description
System.Boolean	aVisible	Visible.
System.Int32	aX	A X coordinate.
System.Int32	aY	A Y coordinate.