Description: License plate recognition code
Using vc ++6.0 for development tools, a simple SDI framework is adopted, and a bitmap is processed at a time (interested can be MDI).
1) the data of bitmap information is a row from left to right, row by row.
2) each line of pixels should be a multiple of 4, and the deficiency should be filled with empty points, and the redundant points should be skipped in the reading.
3) the main data exists in Doc, and the main data of BMP has a BYTE type memory space that is pointed by ImgData (based on the size of bitmap and dynamically allocated).
4) when the data is read in, pay attention to the map in memory to ensure the efficiency of the refresh.
5) procedure execution procedure
Application generation -- > open - > OnFileOpen function of CDipView -
Call the FileOpen function of CDipDoc - and use myDoc-> Refresh the UpdateAllViews (NULL)
The OnPaint function that automatically calls the CDipView -- > calls the OnDraw function of the CDipView -- a picture of a pixel at one pixel
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