virtual L_INT LPlayBack::GetUpdateRect(prcUpdate, bClear)
Gets the updated rectangle of the target bitmap during an animation playback. The rectangle uses bitmap coordinates, and it is cumulative.
Address of the RECT structure to be updated with the coordinates of the updated rectangle
Flag that indicates whether to clear the rectangle. Possible values are:
|TRUE||Clear the rectangle.|
|FALSE||Do not clear the rectangle.|
|SUCCESS||The function was successful.|
|< 1||An error occurred. Refer to Return Codes.|
You usually call this function after the following states, which you can get with the LPlayBack::GetState function:
|PLAYSTATE_POSTCLEAR||[0x0001] Indicates that the target bitmap has been cleared.|
|PLAYSTATE_POSTRENDER||[0x0004] Indicates that an image has been rendered to the target bitmap.|
|PLAYSTATE_POSTDISPOSE||[0x0009] Indicates that the current image has been disposed of. The index is incremented after processing this state.|
This function uses bitmap coordinates to specify the update rectangle. Therefore, you must account for the bitmap's view perspective. For more information, refer to Accounting for View Perspective.
For an example, refer to LPlayBack::Append.
Medical Web Viewer .NET
.NET, Java, Android, and iOS/macOS Assemblies
C API/C++ Class Libraries