ImageGear Professional for Unix
IG_dspl_device_to_image_d
| ImageGear Professional v18.2 > API Reference Guide > Core Component API Reference > Core Component Functions Reference > Display Functions > 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.
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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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| 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. |
Returns the number of ImageGear errors that occurred during this function call.
All pixel formats supported by ImageGear Professional.
This function takes into account all display parameters, including the orientation and current scrolling position.
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See also the function IG_dspl_image_to_device_d(). |