This structure is used by the IG_gui_ip_rotate_any_dlg function to rotate the image around its center.
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typedef struct tag AT_IGGUI_IP_ROTATE_ANY
{
DWORD cbSize;
UINT uFlags;
HIGEAR hIGear;
HWND hWnd;
LPCHAR lpszTitle;
INT nAngle;
AT_MODE nMode;
LPAT_PIXEL lpBkgndColor;
AT_ERRCOUNT nErrCount;
LPFNIGGUI_IP_UPDATE lpfnUpdateProc;
}AT_IGGUI_IP_ROTATE_ANY;
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| Name | Type | Description |
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| cbSize | DWORD | Specifies the length, in bytes, of the structure. |
| uFlags | UINT | A set of bit flags you can use to initialize the dialog box. |
| hIGear | HIGEAR | A handle of an image. |
| hWnd | HWND | A handle of the window to update. |
| lpszTitle | LPCHAR | A dialog title. |
| nAngle | INT | An angle to rotate in degrees; a positive value. |
| nMode | AT_MODE | An integer variable of type AT_MODE defined in accucnst.h. The value can be either IG_ROTATE_CLIP or IG_ROTATE_EXPAND, indicating whether to clip the rotated image to keep the image bitmap the same size, or expand the size of the bitmap to retain the entire rotated image. |
| lpBkgndColor | LPAT_PIXEL | A far pointer to the RGB or pixel value that specifies the background color to be used in the displaced areas after the image has been rotated. |
| nErrCount | AT_ERRCOUNT | The number of ImageGear errors that occurred during this function call. |
| lpfnUpdateProc | LPFNIGGUI_IP_UPDATE | A pointer to the function that is called when the 'Apply' button is clicked. |