This function draws or redraws the mark referenced by hMarkIndex, in the window hWnd.
Declaration:
 Copy Code |
|
|---|---|
AT_ERRCOUNT ART_GUI_mark_paint(
HIGEAR hIGear,
DWORD dwGrpID,
ART_MARK_INDEX hMarkIndex,
HWND hWnd,
BOOL fDraw
);
|
|
Arguments:
| hIGear | HIGEAR handle to the image. |
| dwGrpID | Identifier of group. |
| hMarkIndex | Index of the mark. |
| hWnd | Windows handle to the image window. |
| fDraw | Flag of type BOOL that tells ART whether or not to paint the mark. If set to TRUE, ART paints the mark; if set to FALSE, ART temporarily erases the mark. |
Return Value:
Returns the number of ImageGear errors that occurred during the function call.
Supported Raster Image Formats:
All pixel formats supported by ImageGear Professional.
Sample:
Annotation
Example:
| Copy Code |
|
|---|---|
HIGEAR hIGear; /* HIGEAR handle of image */ ART_MARK_ATTRIBUTES ma; /* Structure to hold mark's attributes */ AT_MARK_INDEX hMarkIndex; /* Index to the */ /* mark */ AT_ERRCOUNT nErrcount; /* Tally of IG */ /* errors on the */ /* stack */ HWND hWnd; /* Windows handle */ /* to the image */ /* window */ DWORD dwGrpID; nErrcount = ART_mark_create(hIGear, &ma, &hMarkIndex); if (nErrcount != 0) { ErrorReport(hWnd); } else { dwGrpID = IG_GRP_DEFAULT; ART_GUI_mark_paint(hIGear, dwGrpID, hMarkIndex, hWnd, TRUE); } |
|
Remarks:
The flag fDraw tells whether to paint or erase the mark.
An error is set if any of the following conditions are met:
- hIGear does not reference a valid ImageGear handle.
- hMarkIndex does not reference a valid mark.
- hWnd is not a valid window handle.