add blend2d (#1285)

* add blend2d

* improve blend2d

* improve blend2d

* add BL_STATIC

* no stdc++

* Update xmake.lua

packages/b/blend2d/xmake.lua

@@ -0,0 +1,40 @@
+package("blend2d")
+    set_homepage("https://blend2d.com")
+    set_description("2D Vector Graphics Engine Powered by a JIT Compiler")
+    set_license("zlib")
+
+    add_urls("https://github.com/blend2d/blend2d.git")
+    add_versions("2022.05.12", "84987c5f76c1b8f271e8556a4b87bcab78094c70")
+
+    add_deps("cmake")
+
+    add_deps("asmjit")
+    if is_plat("linux") then
+        add_syslinks("pthread")
+    end
+
+    on_load(function (package)
+        package:add("deps", "asmjit", {configs = {shared = package:config("shared")}})
+        if not package:config("shared") then
+            package:add("defines", "BL_STATIC")
+        end
+    end)
+
+    on_install("windows", "macosx", "linux", function (package)
+        local configs = {"-DBLEND2D_TEST=OFF", "-DBLEND2D_NO_STDCXX=0"}
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
+        table.insert(configs, "-DBLEND2D_STATIC=" .. (package:config("shared") and "FALSE" or "TRUE"))
+        io.replace("CMakeLists.txt", 'include("${ASMJIT_DIR}/CMakeLists.txt")', "", {plain = true})
+        import("package.tools.cmake").install(package, configs, {packagedeps = "asmjit"})
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            void test() {
+                BLImage img(480, 480, BL_FORMAT_PRGB32);
+                BLContext ctx(img);
+                ctx.setCompOp(BL_COMP_OP_SRC_COPY);
+                ctx.fillAll();
+            }
+        ]]}, {configs = {languages = "c++11"}, includes = "blend2d.h"}))
+    end)