- update copyright

- add instructions for cross-compilation
- add utility function for Windows and Linux executable path

src/lib/CMakeLists.txt

@@ -14,6 +14,7 @@ set(paradiso_srcs
     src/renderer.cpp
     src/context.cpp
     src/shader_sprite.hpp
+    src/utils.cpp
     )
 
 set(paradiso_incs
@@ -26,6 +27,7 @@ set(paradiso_incs
     include/paradiso/window.hpp
     include/paradiso/renderer.hpp
     include/paradiso/context.hpp
+    include/paradiso/utils.hpp
     )
 
 add_library(paradiso_core

src/lib/include/paradiso/aabb.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/include/paradiso/bitmap.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -60,7 +60,8 @@ struct Bitmap final {
      * @param[in] data vector of RGBA values
      * @return bitmap with data from this call
      */
-    static constexpr Bitmap from_data(Size size, std::vector<RGBA> data) noexcept {
+    static constexpr Bitmap from_data(Size size,
+                                      std::vector<RGBA> data) noexcept {
         assert(data.size() == size.height * size.width);
         return {.size = size, .data = data};
     }

src/lib/include/paradiso/bitmap_io.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -25,8 +25,8 @@
 
 #include <paradiso/bitmap.hpp>
 
-#include <string_view>
 #include <memory>
+#include <string_view>
 
 namespace paradiso {
 
@@ -41,7 +41,6 @@ struct BitmapIO {
     std::string path() const;
 
   private:
-
     struct Impl;
     std::unique_ptr<Impl> impl_;
 

src/lib/include/paradiso/context.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/include/paradiso/geometry.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/include/paradiso/globals.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -23,22 +23,20 @@
 #ifndef PARADISO_GLOBALS_HPP
 #define PARADISO_GLOBALS_HPP
 
-#include <cstdint>
 #include <cassert>
 #include <cmath>
+#include <cstdint>
 
-#include <memory>
 #include <array>
-#include <vector>
 #include <map>
+#include <memory>
 #include <string>
 #include <tuple>
+#include <vector>
 
 #include <type_traits>
 
-#include <numeric>
 #include <algorithm>
-
-
+#include <numeric>
 
 #endif

src/lib/include/paradiso/matrix.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -26,7 +26,6 @@
 #include <paradiso/globals.hpp>
 #include <paradiso/matrixbase.hpp>
 
-
 namespace paradiso {
 
 template <std::size_t R, std::size_t C, typename Scalar, bool RowMajor = false>

src/lib/include/paradiso/matrixbase.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -43,9 +43,13 @@ template <typename Scalar, typename Derived> struct MatrixBase {
     constexpr iterator begin() noexcept { return this->data(); }
     constexpr iterator end() noexcept { return this->data() + size(); }
     constexpr const_iterator begin() const noexcept { return this->data(); }
-    constexpr const_iterator end() const noexcept { return this->data() + size(); }
+    constexpr const_iterator end() const noexcept {
+        return this->data() + size();
+    }
     constexpr const_iterator cbegin() const noexcept { return this->data(); }
-    constexpr const_iterator cend() const noexcept { return this->data() + size(); }
+    constexpr const_iterator cend() const noexcept {
+        return this->data() + size();
+    }
 
     constexpr Scalar& operator[](std::size_t i) { return this->data()[i]; }
     constexpr const Scalar& operator[](std::size_t i) const {
@@ -111,10 +115,12 @@ template <typename Scalar, typename Derived> struct MatrixBase {
     }
 
     constexpr void operator+=(const Derived& b) {
-        std::transform((*this).begin(),(*this).end(),b.begin(),(*this).begin(),std::plus<>());
+        std::transform((*this).begin(), (*this).end(), b.begin(),
+                       (*this).begin(), std::plus<>());
     }
     constexpr void operator-=(const Derived& b) {
-        std::transform((*this).begin(),(*this).end(),b.begin(),(*this).begin(),std::minus<>());
+        std::transform((*this).begin(), (*this).end(), b.begin(),
+                       (*this).begin(), std::minus<>());
     }
 
     constexpr const Derived operator*(const Scalar& b) const {

src/lib/include/paradiso/renderer.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/include/paradiso/rgba.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/include/paradiso/shader.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/include/paradiso/sprite.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/include/paradiso/utils.hpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
+ *
+ * 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.
+ *
+ */
+#ifndef PARADISO_UTILS_HPP
+#define PARADISO_UTILS_HPP
+
+#include <filesystem>
+
+namespace paradiso {
+
+using path = std::filesystem::path;
+
+/**
+ * @return executable path
+ */
+path get_executable_path();
+} // namespace paradiso
+
+#endif

src/lib/include/paradiso/vector.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/include/paradiso/window.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -23,8 +23,8 @@
 #ifndef PARADISO_WINDOW_HPP
 #define PARADISO_WINDOW_HPP
 
-#include <paradiso/globals.hpp>
 #include <paradiso/geometry.hpp>
+#include <paradiso/globals.hpp>
 
 #include <functional>
 #include <stack>
@@ -72,7 +72,6 @@ struct Window final {
 
     void set_resizecallback(on_resizecallback_t f) { on_resize_ = f; }
 
-
     bool visible() const;
     Window& set_visible(bool is_visible);
 
@@ -83,8 +82,6 @@ struct Window final {
     std::unique_ptr<impl> impl_;
 
     on_resizecallback_t on_resize_;
-
-
 };
 
 } // namespace paradiso

src/lib/src/bitmap_io.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -127,15 +127,10 @@ Bitmap BitmapIO::load(std::string_view filename, bool ignore_cache) const {
     return impl_->load(filename);
 }
 
-void BitmapIO::set_path(std::string_view path)
-{
-    impl_->asset_path_ = path;
-}
+void BitmapIO::set_path(std::string_view path) { impl_->asset_path_ = path; }
 
-std::string BitmapIO::path() const
-{
+std::string BitmapIO::path() const {
     return impl_->asset_path_.generic_string();
 }
 
-
 } // namespace paradiso

src/lib/src/context.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/src/renderer.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -31,8 +31,8 @@
 #include <array>
 #include <iomanip>
 #include <iostream>
-#include <vector>
 #include <limits>
+#include <vector>
 
 #if defined(_WIN32)
 #undef max

src/lib/src/shader.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal

src/lib/src/shader_sprite.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -65,7 +65,6 @@ void main() {
 }
 )";
 
-
 static constexpr auto sprite_unlit_fragment = R"(
 #version 400 core
 

src/lib/src/utils.cpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
+ *
+ * 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.
+ *
+ */
+#include "paradiso/utils.hpp"
+
+#include <filesystem>
+#include <ranges>
+#include <string>
+
+#if defined(_WIN32) || defined(_WIN64) || defined(_WIN32_WCE)
+#define WIN32_LEAN_AND_MEAN
+#include <libloaderapi.h>
+#endif
+
+namespace paradiso {
+
+path get_executable_path() {
+#if defined(_WIN32)
+    std::array<TCHAR, MAX_PATH> lpFname{};
+    DWORD ret = GetModuleFileName(NULL, lpFname.data(), lpFname.size());
+    return {std::string{std::from_range, lpFname}};
+#elif defined(__linux)
+    return std::filesystem::canonical(u8"/proc/self/exe");
+#endif
+}
+
+} // namespace paradiso

src/lib/src/window.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023-2024 Hartmut Seichter
+ * Copyright 2023-2025 Hartmut Seichter and Contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal