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Performs an AlphaBlend operation assuming a white background.
Source position: lazcanvas.pas line 132
public procedure TLazCanvas.AlphaBlendIgnoringDestPixels( |
ASource: TLazCanvas; |
const ADestX: Integer; |
const ADestY: Integer; |
const ASourceX: Integer; |
const ASourceY: Integer; |
const ASourceWidth: Integer; |
const ASourceHeight: Integer |
); |
ASource |
|
Lazarus canvas with the content alpha blended onto the current class instance. |
ADestX |
|
Left coordinate where the content in ASource is applied. |
ADestY |
|
Top coordinate where the content in ASource is applied. |
ASourceX |
|
Left coordinate for the content in ASource applied in the method. |
ASourceY |
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Top coordinate for the content in ASource applied in the method. |
ASourceWidth |
|
Width (in pixels) of the content in ASource applied in the method. |
ASourceHeight |
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Height (in pixels) of the content in ASource applied in the method. |
This is a safer version for use where the destination pixels may not be consistent or valid. It will draw as if the target area contained opaque white pixels.
|
Alpha blends the specified content from the source canvas onto the canvas instance. |
| Version 4.0 | Generated 2025-05-03 | Home |