IG_dspl_device_to_image_d
This function translates an array of points in DOUBLE float-points format from the device coordinates to the image coordinates.
Declaration:
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Copy Code
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AT_ERRCOUNT ACCUAPI IG_dspl_device_to_image_d(
[IN] HIGEAR hIGear,
[IN] DWORD dwGrpID,
[IN] HWND hWnd,
[IN] HDC hDC,
[IN/OUT] LPAT_DPOINT lpPoint,
[IN] UINT nCount
);
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Arguments:
| Name |
Type |
Description |
| hIGear |
HIGEAR |
ImageGear handle of image. |
| dwGrpID |
DWORD |
Identifier of the group from which to get display options. |
| hWnd |
HWND |
Handle of the window from which the image is drawn. |
| hDC |
HDC |
Handle of the device context used for drawing. This can be NULL, but if a calculation is necessary for printer device context, then you should provide the real value. |
| lpPoint |
LPAT_DPOINT |
Pointer to an array of points in DOUBLE float-point format that should be translated. |
| nCount |
UINT |
Number of elements in the lpPoint array. |
Return Value:
Returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
All pixel formats supported by ImageGear for C and C++.
Sample:
None
Remarks:
This function takes into account all display parameters, including the orientation and current scrolling position.