Class VBECanvas

VBECanvas class. Used to control screen, by VBE (VESA BIOS Extensions) standard. See also: Canvas.

Inheritance

System.Object

Canvas

VBECanvas

Inherited Members

Canvas.Clear()

Canvas.DrawPoint(Pen, Point)

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

Canvas.DrawLine(Pen, Int32, Int32, Int32, Int32)

Canvas.DrawLine(Pen, Point, Point)

Canvas.DrawLine(Pen, Single, Single, Single, Single)

Canvas.DrawCircle(Pen, Int32, Int32, Int32)

Canvas.DrawCircle(Pen, Point, Int32)

Canvas.DrawFilledCircle(Pen, Int32, Int32, Int32)

Canvas.DrawFilledCircle(Pen, Point, Int32)

Canvas.DrawEllipse(Pen, Int32, Int32, Int32, Int32)

Canvas.DrawEllipse(Pen, Point, Int32, Int32)

Canvas.DrawFilledEllipse(Pen, Point, Int32, Int32)

Canvas.DrawFilledEllipse(Pen, Int32, Int32, Int32, Int32)

Canvas.DrawPolygon(Pen, Point[])

Canvas.DrawSquare(Pen, Point, Int32)

Canvas.DrawSquare(Pen, Int32, Int32, Int32)

Canvas.DrawRectangle(Pen, Point, Int32, Int32)

Canvas.DrawRectangle(Pen, Int32, Int32, Int32, Int32)

Canvas.DrawFilledRectangle(Pen, Point, Int32, Int32)

Canvas.DrawTriangle(Pen, Point, Point, Point)

Canvas.DrawTriangle(Pen, Int32, Int32, Int32, Int32, Int32, Int32)

Canvas.DrawRectangle(Pen, Single, Single, Single, Single)

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

Canvas.DrawImageAlpha(Image, Int32, Int32)

Canvas.DrawImage(Image, Point)

Canvas.DrawImageAlpha(Image, Point)

Canvas.DrawString(String, Font, Pen, Point)

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

Canvas.DrawChar(Char, Font, Pen, Point)

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

Canvas.CheckIfModeIsValid(Mode)

Canvas.ThrowIfModeIsNotValid(Mode)

Canvas.ThrowIfCoordNotValid(Point)

Canvas.ThrowIfCoordNotValid(Int32, Int32)

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

Canvas.AlphaBlend(Color, Color, Byte)

Namespace: Cosmos.System.Graphics

Assembly: Cosmos.System2.dll

Syntax

public class VBECanvas : Canvas

Constructors

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VBECanvas()

Create new instance of the class.

Declaration

public VBECanvas()

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VBECanvas(Mode)

Create new instance of the class.

Declaration

public VBECanvas(Mode aMode)

Parameters

Type	Name	Description
Mode	aMode

Properties

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AvailableModes

Available VBE supported video modes.

Low res:

HD:

HDR:

HDTV:

Declaration

public override List<Mode> AvailableModes { get; }

Property Value

Type	Description
List<Mode>

Overrides

Canvas.AvailableModes

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DefaultGraphicMode

Override Canvas default graphics mode.

Declaration

public override Mode DefaultGraphicMode { get; }

Property Value

Type	Description
Mode

Overrides

Canvas.DefaultGraphicMode

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Mode

Get and set video mode.

Declaration

public override Mode Mode { get; set; }

Property Value

Type	Description
Mode

Overrides

Canvas.Mode

Methods

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Clear(Color)

Clear screen to specified color.

Declaration

public override void Clear(Color aColor)

Parameters

Type	Name	Description
Color	aColor

Overrides

Canvas.Clear(Color)

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Disable()

Disables VBE Graphics mode, parent method returns to VGA text mode (80x25)

Declaration

public override void Disable()

Overrides

Canvas.Disable()

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Display()

Declaration

public override void Display()

Overrides

Canvas.Display()

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

Draw array of colors.

Declaration

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

Parameters

Type	Name	Description
Color[]	aColors	Colors array.
System.Int32	aX	X coordinate.
System.Int32	aY	Y coordinate.
System.Int32	aWidth	Width.
System.Int32	aHeight	unused.

Overrides

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

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DrawFilledRectangle(Pen, Int32, Int32, Int32, Int32)

Draw filled rectangle.

Declaration

public override void DrawFilledRectangle(Pen aPen, int aX, int aY, int aWidth, int aHeight)

Parameters

Type	Name	Description
Pen	aPen	Pen to draw with.
System.Int32	aX	X coordinate.
System.Int32	aY	Y coordinate.
System.Int32	aWidth	Width.
System.Int32	aHeight	Height.

Overrides

Canvas.DrawFilledRectangle(Pen, Int32, Int32, Int32, Int32)

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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(Pen, Int32, Int32)

Draw point to the screen.

Declaration

public override void DrawPoint(Pen aPen, int aX, int aY)

Parameters

Type	Name	Description
Pen	aPen	Pen to draw the point with.
System.Int32	aX	X coordinate.
System.Int32	aY	Y coordinate.

Overrides

Canvas.DrawPoint(Pen, Int32, Int32)

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DrawPoint(Pen, Single, Single)

Draw point to the screen. Not implemented.

Declaration

public override void DrawPoint(Pen aPen, float aX, float aY)

Parameters

Type	Name	Description
Pen	aPen	Pen to draw the point with.
System.Single	aX	X coordinate.
System.Single	aY	Y coordinate.

Overrides

Canvas.DrawPoint(Pen, Single, Single)

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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
Color	Color value.

Overrides

Canvas.GetPointColor(Int32, Int32)