setHistPos

setHistPos ( integer X0, integer Y0 [, integer Sx, integer Sy] )

Use this function to change the size and position of the Histogram window in the workspace.

Parameters

X0, Y0

Positive integers specifying the coordinates of the top left corner of the Histogram window relative to the top left corner of ImageWarp's client area.

Sx, Sy

Optional positive integers specifying the new width and height of the window. If these parameters are omitted, the window will maintain its current size.

Error flags

ERR_OK

The flag set if successful.

ERR_FAILED

The flag set if failed.

Example

The following set of statements continuously captures an image and displays a live histogram moving across the workspace:

grabIm(1)

showHistogram()

For J=0 To getWorkHeight()-200 Step 8

For I=0 To getWorkWidth()-200 Step 8

grabIm(1)

setHistPos(I,J)

Next

For I=800-200 To 0 Step -8

grabIm(1)

setHistPos(I,J+4)

Next

Next

Remark

For more information on the Histogram window refer to ImageWarp User's Guide.