TypeLib Xojo support Plugin |
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RawBitmap.GenerateFloodFillMask Method
Generates magic wand mask by using flood fill algorithm.

GenerateFloodFillMask(
x
as Integer,
y
as Integer,
tolerance
as Single,
diagonal
as Boolean,
expandMask
as RawBitmapMask)
as RawBitmapMask
Parameters
- x
- X coordinate to start the mask generation at.
- y
- Y coordinate to start the mask generation at.
- tolerance
- Percentage tolerance where its value is from 0.0 to 1.0.
- diagonal
- If set to true then straight and diagonal matching is done instead of the normal straight only.
Diagonal matching will for example let the method add to the mask where pixel only touches other pixel by its corner. - expandMask
- Optional parameter to pass in existing mask. If existing mask is passed in then you will be extending the existing mask. Similar as when you shift click with magic wand tool to add more to the selection.
Returns
- RawBitmapMask
- A bitmap based RawBitmapMask object.
Remarks
This method can throw the following exceptions:
RawBitmapException
See Also
RawBitmap Class