Add EGE library (#1545)

* Add EGE

* xege: fix url/version format

* xege: fix arch

* xege: fix lib install

* xege: disable shared config

packages/x/xege/xmake.lua

@@ -0,0 +1,47 @@
+package("xege")
+
+    set_homepage("https://xege.org")
+    set_description("Easy Graphics Engine, a lite graphics library in Windows")
+    set_license("LGPL-2.1")
+
+    add_urls("https://github.com/wysaid/xege.git",
+             "https://gitee.com/xege/xege.git")
+    
+    add_versions("v2020.08.31", "40bca13799e512b14570c41f3d285eca616ca9b1")
+
+    add_configs("shared", {description = "Build shared library.", default = false, type = "boolean", readonly = true})
+
+    add_deps("cmake")
+
+    if is_arch("x86", "i386", "arm") then
+        add_links("graphics")
+    else
+        add_links("graphics64")
+    end
+
+    add_syslinks("gdiplus", "uuid", "msimg32", "gdi32", "imm32", "ole32", "oleaut32")
+
+    on_install("windows", "mingw", function (package)
+        local configs = {}
+        local mode = (package:debug() and "Debug" or "Release")
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. mode)
+
+        import("package.tools.cmake").build(package, configs, {buildir = "build"})
+
+        os.trycp("build/" .. mode .. "/*.lib", package:installdir("lib"))
+        os.trycp("build/*.a", package:installdir("lib"))
+        os.cp("src/*.h", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <cassert>
+            #include <graphics.h>
+            static void test() {
+                initgraph(640, 480);
+                circle(200, 200, 100);
+                assert(is_run());
+                closegraph();
+            }
+        ]]}))
+    end)