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Bitmap.Draw Method (Bitmap, Single, Single, Single, Single, CombineMode, Single, InterpolationMode)

Draws current bitmap on another bitmap.

Namespace: Aurigma.GraphicsMill
Assembly: Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)

Syntax

Visual Basic

Public Sub Draw ( _
	destinationBitmap As Bitmap, _
	destinationX As Single, _
	destinationY As Single, _
	destinationWidth As Single, _
	destinationHeight As Single, _
	combine As CombineMode, _
	opacity As Single, _
	interpolationMode As InterpolationMode _
)

public void Draw(
	Bitmap destinationBitmap,
	float destinationX,
	float destinationY,
	float destinationWidth,
	float destinationHeight,
	CombineMode combine,
	float opacity,
	InterpolationMode interpolationMode
)

Parameters

destinationBitmap: Type: Aurigma.GraphicsMill.Bitmap
Target (destination) bitmap (on which current bitmap should be drawn).

destinationX: Type: System.Single
Horizontal position of left-top corner of the destination rectangle.

destinationY: Type: System.Single
Vertical position of left-top corner of the destination rectangle.

destinationWidth: Type: System.Single
Width of the destination rectangle. You can pass 0 to indicate that method should calculate width automatically (see Remarks section for details).

destinationHeight: Type: System.Single
Height of the destination rectangle. You can pass 0 to indicate that method should calculate height automatically (see Remarks section for details).

combine: Type: Aurigma.GraphicsMill.Transforms.CombineMode
Algorithm of images blending (plain pixels copying, alpha blending, bitwise operations, etc).

opacity: Type: System.Single
A number in range [0, 1] specifying total opacity of the image. If 0, image is completely transparent, if 1, image is completely opaque.

interpolationMode: Type: Aurigma.GraphicsMill.Transforms.InterpolationMode
Algorithm of resizing. Using this parameter you can select between speed and quality of resizing.

Remarks

Bitmap is drawn to destination rectangle on the target bitmap. If current bitmap dimensions differ from dimensions of destination rectangle, it is resized to have the same size as destination rectangle.

Note

If pixel formats of bitmaps are different, the method may fail (for some pairs of pixel formats). So it is recommended to make sure that current bitmap pixel format is compatible with target bitmap (or, ideally, the same).

If you want method to calculate width and height automatically, you can pass 0 to these arguments. It will be calculated with the following way:

If both width and heigth are 0, it will take source image dimensions (Width and Height properties). This way no resize will be done during drawing.
If only one of arguments is 0, it will calculate this argument to save proportion. For example, source image is 800x600, and you pass 400 as width and 0 as height. Height will be calculated to preserve aspect ratio of the image, i.e. it will be equal to 300.

All coordinates are measured in units specified with Unit property of the source bitmap.

Bitmap.Draw Method (Bitmap, Single, Single, Single, Single, CombineMode, Single, InterpolationMode)

Syntax

Parameters

Remarks

See Also

Reference

Manual