This function is called to create a GUI magnify window.
Declaration:
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AT_ERRCOUNT ACCUAPI IG_GUI_magnify_window_create (
HIGEAR hIGear,
DWORD dwGrpID,
HWND hWndParent,
const LPSTR lpszTitle,
INT nX,
INT nY,
INT nWidth,
INT nHeight,
HWND FAR* lphWndMagnify
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Arguments:
| hIGear | HIGEAR handle of image. |
| DwGrpID | Identifier of the group used for drawing image in the hWndParent window. A new group will be allocated internally for drawing image in the magnify window. |
| hWndParent | Handle of Parent window. |
| lpszTitle | Title of Magnify Window. |
| nX | X position of upper left corner of Magnify window. |
| nY | Y position of upper left corner of Magnify window. |
| nWidth | Width of Magnify window. |
| nHeight | Height of Magnify window. |
| lphWndMagnify | Far pointer to HWND object to hold Magnify window handle. |
Return Value:
Returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
All pixel formats supported by ImageGear Professional.
Sample:
Magnify, Display, GUI Windows
Example:
See the example for function IG_GUI_magnify_track_mouse().
Remarks:
When the mouse is moved about in such a window with the left button held down, a small rectangle is dragged and the portion of the image inside the rectangle can be displayed (magnified) in the parent image window.
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See the IG_GUI_magnify_track_mouse() function. |