Description: Reading of BMP files, open only 256 colors (can be a gray-scale) display and memory mapping technology on the palette: the palette is actually an array, 4 BYTE are B, G, R, and every Reserved pixel has a corresponding array. On the VC and the windows of the drawing mechanism: the use of GDI (Graphics Device Interface) objects, used by CDC category, CPaintDC same (device-context) equipment under the windows context MFC programming mechanisms, message-driven, event wait! Overall app (application objects) Note the allocation of memory, manual removal and CDC object to delete the GDI release system resources every new operator should correspond to a delete
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