Application Framework > The Bitmap Editor Application > Step 2: Implementing the Document and the View > Implementing the BitmapDocument Class
 
Implementing the BitmapDocument Class
This is the most important class of the application since it manipulates the application data (the bitmap). All actions performed on the data will be done by this class. You will first learn how to load a bitmap file, and then you will see how to create a new bitmap.
The BitmapDocument class owns as a member a pointer to an IlvBitmap object. The IlvBitmap object is the internal data. This class is declared in BitmapDocument.h and defined in BitmapDocument.cpp.

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