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Annotation of q_a/samples/maskblt/readme.txt, revision 1.1

1.1     ! root        1: Sample: MaskBlt Function Demonstration
        !             2: 
        !             3: Summary:
        !             4: 
        !             5: The MASKBLT sample is an easy-to-use demonstration of the
        !             6: MaskBlt Win32 API function. The program presents a dialog
        !             7: box on the top of the window; through this dialog box the
        !             8: user can manipulate the parameters to MaskBlt. In the main
        !             9: window, the source bitmap is displayed in the center third
        !            10: of the window, the monochrome bitmap mask is displayed in
        !            11: the right third of the window, and the destination bitmap is
        !            12: displayed on the left.
        !            13: 
        !            14: More Information:
        !            15: 
        !            16: The destination rectangle may be changed directly in the
        !            17: dialog box, or it may be changed by using the direct
        !            18: manipulation object in the left third of the window.
        !            19: Clicking and dragging the mouse in the upper-left corner
        !            20: moves the rectangle; clicking and dragging the mouse in the
        !            21: lower-right corner sizes the rectangle. The function
        !            22: requires only a starting point (not a rectangle) for the
        !            23: source and mask bitmaps. There is one additional direct
        !            24: manipulation object for the source and one for the mask.
        !            25: These objects may be moved by clicking and dragging with the
        !            26: mouse.
        !            27: 
        !            28: The raster operation for the MaskBlt call may be changed by
        !            29: altering the values in the right most entry fields. The
        !            30: contents are interpreted to be in hexadecimal. There is a
        !            31: combo box directly beneath these entry fields that lists all
        !            32: of the standard raster operations. If the user selects a
        !            33: standard ROP from this combo box, its contents are copied
        !            34: into the ROP entry fields and are then used in the MaskBlt
        !            35: call.
        !            36: 
        !            37: This sample provides clipboard support in the following manner.
        !            38: Hitting <ctrl>+<insert> will copy the destination image into the
        !            39: clipboard.  Hitting <shift>+<insert> will copy a bitmap from the
        !            40: clipboard into the source region.  Hitting <alt>+<insert> will
        !            41: do both; the destination image will be copied into the clipboard
        !            42: and then down to the source region.

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