TLazCanvas.DoDraw procedure
Performs actions needed to draws the specified image at the given coordinates using AlphaBlending.
Declaration
procedure DoDraw(x: Integer; y: Integer; const AImage: TFPCustomImage)
; overrideArguments
x | Left coordinate on the Lazarus canvas where the specified image is drawn. |
y | Top coordinate on the Lazarus canvas where the specified image is drawn. |
AImage | Image drawn on the Lazarus canvas at the specified position. |
Description
DoDraw is an overridden method in
TLazCanvas. It
reimplements the method from an ancestor class (TFPixelCanvas), and calls the
AlphaBlend_Image method to draw the specified image at the given position.
X and
Y contain the left and top coordinates on the
Lazarus canvas where the image is drawn.
AImage is the TFPCustomImage instance drawn at the specified
position.
DoDraw is used to implement the DoDrawImage method.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.