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VideoMixer.OSDItemBitmapGet method |
  
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VideoMixer.OSDItemBitmapGet method |
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Remarks
Obtains the bitmap for an existing graphical item previously added to the On-Screen-Display (OSD) through a call to the VideoMixer.OSDItemBitmapAdd or VideoMixer.OSDItemPictureFileAdd or VideoMixer.OSDItemPictureMemoryAdd methods.
For further details about the use of the embedded video mixer see the VideoMixer object section.
For details about video mixing/blending refer to the How to use the video mixer tutorial.
Syntax
[Visual Basic] control.VideoMixer.OSDItemBitmapGet ( nMixerUniqueId as Long, nItemUniqueId as Long, hBitmap as OLE_HANDLE, nOriginalWidth as Long, nOriginalHeight as Long, nResizeWidth as Long, nResizeHeight as Long ) as enumErrorCodes |
[C++] short control.VideoMixer.OSDItemBitmapGet ( long nMixerUniqueId, long nItemUniqueId, OLE_HANDLE *hBitmap, long *nOriginalWidth, long *nOriginalHeight, long nResizeWidth, long nResizeHeight ); |
Parameter |
Description |
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nMixerUniqueId |
Unique identifier of the video mixer returned by a previous call to the VideoMixer.Create method |
nItemUniqueId |
Unique identifier of item returned by a previous call to the VideoMixer.OSDItemBitmapAdd method |
hBitmap |
Reference that, on return from the method call, will contain the handle of the bitmap (HBITMAP). |
nOriginalWidth |
Reference that, on return from the method call, will contain the original width, expressed in pixels, of the picture |
nOriginalHeight |
Reference that, on return from the method call, will contain the original height, expressed in pixels, of the picture |
nResizeWidth |
Width, expressed in pixels, for resizing the picture before returning the HBITMAP; ignored if set to 0 |
nResizeHeight |
Height, expressed in pixels, for resizing the picture before returning the HBITMAP; ignored if set to 0 |
Return value
Value |
Meaning |
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Negative value |
An error occurred, check the LastError property value in order to get the error code |
enumErrorCodes.ERR_NOERROR (0) |
The method call was successful |
