Adding imagl recipe

recipes/imagl/all/CMakeLists.txt

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+cmake_minimum_required(VERSION 2.8.12)
+project(cmake_wrapper)
+
+include("conanbuildinfo.cmake")
+conan_basic_setup()
+
+add_subdirectory(source_subfolder)

recipes/imagl/all/conandata.yml

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+sources:
+  "0.1.0":
+    url: "https://gitlab-lepuy.iut-clermont.uca.fr/opengl/imagl/-/archive/v0.1.0/imagl-v0.1.0.tar.gz"
+    sha256: "9dcfba4c2efa8d44bf4cc9edd324794865dd6d6331467d3c69f5c5574db3844e"

recipes/imagl/all/conanfile.py

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+from conans import ConanFile, CMake, tools
+from conans.errors import ConanInvalidConfiguration
+import os
+
+
+required_conan_version = ">=1.32.0"
+
+
+class ImaglConan(ConanFile):
+    name = "imagl"
+    license = "GPL-3.0-or-later"
+    homepage = "https://github.com/Woazim/imaGL"
+    url = "https://github.com/conan-io/conan-center-index"
+    description = "A lightweight library to load image for OpenGL application."
+    topics = ("opengl", "texture", "image")
+    settings = "os", "compiler", "build_type", "arch"
+    options = {"shared": [True, False], "fPIC": [True, False], "with_png": [True, False]}
+    default_options = {"shared": False, "fPIC": True, "with_png": True}
+    generators = "cmake"
+    exports_sources = "CMakeLists.txt"
+    _cmake = None
+
+    @property
+    def _source_subfolder(self):
+        return "source_subfolder"
+
+    @property
+    def _build_subfolder(self):
+        return "build_subfolder"
+
+    @property
+    def _compilers_minimum_version(self):
+        return {
+            "gcc": "9",
+            "Visual Studio": "16.5",
+            "clang": "10",
+            "apple-clang": "11"
+        }
+
+    def source(self):
+        tools.get(**self.conan_data["sources"][self.version])
+        os.rename(self.name + "-v" + self.version, self._source_subfolder)
+
+    def validate(self):
+        if self.settings.compiler.cppstd:
+            tools.check_min_cppstd(self, 20)
+        minimum_version = self._compilers_minimum_version.get(str(self.settings.compiler), False)
+        if minimum_version:
+            if tools.Version(self.settings.compiler.version) < minimum_version:
+                raise ConanInvalidConfiguration("imagl requires C++20, which your compiler does not fully support.")
+        else:
+            self.output.warn("imagl requires C++20. Your compiler is unknown. Assuming it supports C++20.")
+
+    def requirements(self):
+        if self.options.with_png:
+            self.requires("libpng/1.6.37")
+
+    def _configure_cmake(self):
+        if self._cmake:
+            return self._cmake
+        self._cmake = CMake(self)
+        self._cmake.definitions["STATIC_LIB"] = not self.options.shared
+        self._cmake.definitions["SUPPORT_PNG"] = self.options.with_png
+        self._cmake.configure(build_folder=self._build_subfolder)
+        return self._cmake
+
+    def build(self):
+        cmake = self._configure_cmake()
+        cmake.build()
+
+    def package(self):
+        self.copy("LICENSE", dst="licenses", src=self._source_subfolder)
+        cmake = self._configure_cmake()
+        cmake.install()
+
+    def package_info(self):
+        debug_suffix = "d" if self.settings.build_type == "Debug" else ""
+        static_suffix = "" if self.options.shared else "s"
+        self.cpp_info.libs = ["imaGL{}{}".format(debug_suffix, static_suffix)]
+        if not self.options.shared:
+            self.cpp_info.defines = ["IMAGL_STATIC=1"]

recipes/imagl/all/test_package/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.1)
+project(PackageTest CXX)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup()
+
+add_executable(example example.cpp)
+target_link_libraries(example ${CONAN_LIBS})
+
+if(STATIC_LIB)
+    add_compile_definitions(IMAGL_STATIC)
+endif()
+
+set_property(TARGET example PROPERTY CXX_STANDARD 20)
+set_property(TARGET example PROPERTY CXX_STANDARD_REQUIRED ON)
+
+# CTest is a testing tool that can be used to test your project.
+# enable_testing()
+# add_test(NAME example
+#          WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/bin
+#          COMMAND example)

recipes/imagl/all/test_package/conanfile.py

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+import os
+from conans import ConanFile, CMake, tools
+
+
+class ImaglTestConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not tools.cross_building(self):
+            bin_path = os.path.join("bin", "example")
+            self.run(bin_path, run_environment=True)

recipes/imagl/all/test_package/example.cpp

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+#include <iostream>
+#include <imaGL/imaGL.h>
+
+int main() {
+    try {
+        imaGL::CImaGL img("notfound.png");
+    }
+    catch(...) {
+    }
+    std::cout << "It works!\n";
+    return 0;
+}

recipes/imagl/config.yml

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+versions:
+  "0.1.0":
+    folder: all