E-XD++ Map C++ Extension

City maps, military maps, mine maps, the power of geography, electronic maps, graphics, editing, OCX controls, Source code component library for C/C++ and .NET , 100% VC++ Source Code https://a.fsdn.com/allura/p/e-xd-map-c-extension/icon?w=72&1645504405
E-XD++ provides the most comprehensive vector graphics editing capabilities, which is essential for the development of any GIS system. You can use this part of the functionality into GIS system, will save you a lot of development time.

. Support the canvas with arbitrary scaling.

. Support the canvas translation, mouse crawling through the canvas horizontal or vertical direction.

. Support the small preview window, and can be adjusted through the canvas of rectangular window viewing area location.

. Support any polygon complex operations, including intersection, subtraction, phase and, to take over more operations.

C++ Source Codes: http://www.ucancode.net