Add Readme

Third-Party Copyright.txt

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+SuperXBR:
+=========
+Code available from https://github.com/libretro/common-shaders/tree/master/xbr/shaders/super-xbr
+
+  Copyright (c) 2015 Hyllian - [email protected]
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+
+=========
+
+Some of the code for process injection and replacing imports is derived from:
+https://github.com/Speedi13/Custom-GetProcAddress-and-GetModuleHandle-and-more
+
+Code for reformatting command line arguments derived from:
+https://blogs.msdn.microsoft.com/twistylittlepassagesallalike/2011/04/23/everyone-quotes-command-line-arguments-the-wrong-way/

readme.md

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+# GDIStretcher
+GDIStretcher is a program that allows you to run 2D Windows Games (games which do not use DirectX) with a stretchable window, and will use high-quality SuperXBR filtering to enlarge the graphics.
+
+Normally, older games that use GDI will run in a fixed-size window, and are intended for smaller screen sizes such as 640x480 or 800x600, as opposed to modern common 1920x1080 resolution displays.  The window is usually not resizable.  This tool will allow you to resize and maximize the window.