Update version to 2.30.0

Forgot to increment it before release oh well...

.github/dependabot.yml

@@ -0,0 +1,9 @@
+version: 2
+updates:
+  - directory: /
+    package-ecosystem: github-actions
+    reviewers:
+      - marysaka
+      - TSRBerry
+    schedule:
+      interval: daily

.github/workflows/build.yml

@@ -1,60 +1,92 @@
 name: build-native
-on: [push]
+on:
+  workflow_dispatch:
+    inputs:
+      rev:
+        description: 'Ryujinx/SDL commit to build (this has to be a full commit sha, otherwise it will not work)'
+        required: true
 #  schedule:
 #    - cron: '0 0 * * *'
+env:
+  BUILD_TYPE: Release
+
 jobs:
-  build-macos:
-    runs-on: macos-latest
+  build:
+    name: ${{ matrix.platform.name }}
+    runs-on: ${{ matrix.platform.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+        - { name: win-x64,     os: windows-latest, arch: x64    }
+        # - { name: win-x86,     os: windows-latest, arch: Win32  }
+        - { name: win-arm64,   os: windows-latest, arch: ARM64  }
+        - { name: linux-x64,   os: ubuntu-20.04,   arch: amd64  }
+        # - { name: linux-x86,   os: ubuntu-20.04,   arch: i386   }
+        - { name: linux-arm64, os: ubuntu-20.04,   arch: arm64  }
+        - { name: osx-x64,     os: macos-latest,   arch: x86_64 }
+        - { name: osx-arm64,   os: macos-latest,   arch: arm64  }
     steps:
-    - uses: actions/checkout@v2
-    - name: Check out SDL sources
-      run: |
-        git clone --depth 1 --branch release-2.0.14 https://github.com/libsdl-org/SDL.git /tmp/SDL
-    - name: Build binaries
-      run: |
-        cd /tmp/SDL
-        ./configure
-        make
-        make install
-    - name: copy built binary
-      run: cp /usr/local/lib/libSDL2-2.0.0.dylib native/osx-x64/libSDL2.dylib
-    - name: Create pull request
-      uses: peter-evans/create-pull-request@v2
+    - name: Setup qemu static
+      uses: docker/setup-qemu-action@v3
+      if: runner.os == 'Linux'
+    - uses: actions/checkout@v4
       with:
-        commit-message: Update macOS SDL binaries
-        title: Update macOS SDL binaries
-        body: This PR has been auto-generated to update the macOS SDL binaries.
-        branch: update-macos-binaries
+        repository: Ryujinx/SDL
+        ref: ${{ github.event.inputs.rev }}
+    - uses: actions/checkout@v4
+      with:
+        path: 'SDL2-CS'
+    - name: Build and prepare release
+      run: SDL2-CS/ci/run.sh $PWD $PWD/SDL2-CS/native/${{ matrix.platform.name }} ${{ matrix.platform.arch }}
+      shell: bash
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: ${{ matrix.platform.name }}-binaries
+        path: install_output
+    - name: Create pull request
+      uses: peter-evans/create-pull-request@v4
+      with:
+        commit-message: Update ${{ matrix.platform.name }} SDL binaries
+        title: Update ${{ matrix.platform.name }} SDL binaries
+        body: This PR has been auto-generated to update the ${{ matrix.platform.name }} SDL binaries.
+        branch: update-${{ matrix.platform.name }}-binaries
+        path: 'SDL2-CS'
       env:
         ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'
 
-  build-linux:
-    runs-on: ubuntu-latest
+  build-ios:
+    name: ios
+    runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Check out SDL sources
-      run: |
-        git clone --depth 1 --branch release-2.0.14 https://github.com/libsdl-org/SDL.git /tmp/SDL
-    - name: Build i386 binaries
-      run: |
-        mkdir /tmp/i386
-        cd linux-build
-        docker build -t sdl2-i386 -f Dockerfile.i386 .
-        docker run -v `pwd`/compile:/entry -v /tmp/i386:/io -v /tmp/SDL:/src sdl2-i386
-        cp /tmp/i386/lib/libSDL2-2.0.so.0 ../native/linux-x86/libSDL2.so
-    - name: Build amd64 binaries
-      run: |
-        mkdir /tmp/amd64
-        cd linux-build
-        docker build -t sdl2-amd64 -f Dockerfile.amd64 .
-        docker run -v `pwd`/compile:/entry -v /tmp/amd64:/io -v /tmp/SDL:/src sdl2-amd64
-        cp /tmp/amd64/lib/libSDL2-2.0.so.0 ../native/linux-x64/libSDL2.so
-    - name: Create pull request
-      uses: peter-evans/create-pull-request@v2
+    - uses: actions/checkout@v4
       with:
-        commit-message: Update Linux SDL binaries
-        title: Update Linux SDL binaries
-        body: This PR has been auto-generated to update the Linux SDL binaries.
-        branch: update-linux-binaries
+        repository: Ryujinx/SDL
+        ref: ${{ github.event.inputs.rev }}
+    - uses: actions/checkout@v4
+      with:
+        path: 'SDL2-CS'
+    - name: Build (iOS)
+      run: xcodebuild -project Xcode/SDL/SDL.xcodeproj -scheme xcFramework-iOS -configuration Release
+    - name: Prepare release directory (iOS)
+      run: mkdir -p SDL2-CS/native/ios
+    - name: Prepare release (iOS)
+      run: |
+        mkdir -p SDL2-CS/native/ios/SDL2.xcframework/ios-arm64/SDL2.framework;
+        mkdir -p SDL2-CS/native/ios/SDL2.xcframework/ios-arm64_x86_64-simulator/SDL2.framework;
+        cp Xcode/SDL/Products/SDL2.xcframework/Info.plist                                           SDL2-CS/native/ios/SDL2.xcframework/Info.plist;
+        cp Xcode/SDL/Products/SDL2.xcframework/ios-arm64/SDL2.framework/SDL2                        SDL2-CS/native/ios/SDL2.xcframework/ios-arm64/SDL2.framework/SDL2;
+        cp Xcode/SDL/Products/SDL2.xcframework/ios-arm64/SDL2.framework/Info.plist                  SDL2-CS/native/ios/SDL2.xcframework/ios-arm64/SDL2.framework/Info.plist;
+        cp Xcode/SDL/Products/SDL2.xcframework/ios-arm64_x86_64-simulator/SDL2.framework/SDL2       SDL2-CS/native/ios/SDL2.xcframework/ios-arm64_x86_64-simulator/SDL2.framework/SDL2;
+        cp Xcode/SDL/Products/SDL2.xcframework/ios-arm64_x86_64-simulator/SDL2.framework/Info.plist SDL2-CS/native/ios/SDL2.xcframework/ios-arm64_x86_64-simulator/SDL2.framework/Info.plist;
+    - name: Create pull request
+      uses: peter-evans/create-pull-request@v4
+      with:
+        commit-message: Update iOS SDL binaries
+        title: Update iOS SDL binaries
+        body: This PR has been auto-genereated to update the iOS SDL binaries
+        branch: update-ios-binaries
+        path: 'SDL2-CS'
       env:
         ACTIONS_ALLOW_UNSECURE_COMMANDS: 'true'

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: Build
+
+on:
+  workflow_dispatch:
+    inputs: {}
+  #push:
+  #  branches: [ master ]
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 7.0.x
+    - uses: nuget/setup-nuget@v1
+      with:
+        nuget-api-key: ${{ secrets.NUGET_API_KEY }}
+        nuget-version: '6.x'
+    - name: Restore dependencies
+      run: dotnet restore
+    - name: Build
+      run: dotnet build --no-restore
+    - name: Test
+      run: dotnet test --no-build --verbosity normal
+    - name: Pack & Publish
+      run: |
+        dotnet pack --version-suffix "build${{ github.run_number }}" -c Release .\SDL2-CS.csproj -o .
+        $file_to_publish = Get-ChildItem -Path $dir -Filter *.nupkg | Select -First 1
+        echo $file_to_publish
+        nuget push $file_to_publish -Source https://api.nuget.org/v3/index.json

README

@@ -19,6 +19,7 @@ is written in a way that can be used for any general C# application.
 
 The wrapper provides bindings for the following libraries:
 - SDL2
+- SDL2_gfx
 - SDL2_image
 - SDL2_mixer
 - SDL2_ttf
@@ -40,9 +41,3 @@ names threads with the 0x406D1388 exception will silently exit. To prevent this
 exception from being thrown by SDL, add this line before your SDL_Init call:
 
 SDL.SDL_SetHint(SDL.SDL_HINT_WINDOWS_DISABLE_THREAD_NAMING, "1");
-
-Roadmap
--------
-To see the current roadmap for SDL2#, visit the GitHub issues page:
-
-https://github.com/flibitijibibo/SDL2-CS/issues

SDL2-CS.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>netstandard2.0</TargetFramework>
+        <TargetFramework>net6.0</TargetFramework>
         <OutputType>Library</OutputType>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <AssemblyTitle>SDL2#</AssemblyTitle>
@@ -8,13 +8,14 @@
         <Description>libSDL2 bindings for C#</Description>
         <RootNamespace>SDL2</RootNamespace>
         <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+        <VersionPrefix>2.30.0</VersionPrefix>
     </PropertyGroup>
     <PropertyGroup Label="NuGet">
-        <Authors>ppy Pty Ltd &amp; flibitijibibo</Authors>
+        <Authors>marysaka &amp; ppy Pty Ltd &amp; flibitijibibo</Authors>
         <Title>SDL2#</Title>
-        <PackageId>ppy.SDL2-CS</PackageId>
-        <PackageProjectUrl>https://github.com/ppy/SDL2-CS</PackageProjectUrl>
-        <RepositoryUrl>https://github.com/ppy/SDL2-CS</RepositoryUrl>
+        <PackageId>Ryujinx.SDL2-CS</PackageId>
+        <PackageProjectUrl>https://github.com/Ryujinx/SDL2-CS</PackageProjectUrl>
+        <RepositoryUrl>https://github.com/Ryujinx/SDL2-CS</RepositoryUrl>
     </PropertyGroup>
     <ItemGroup>
         <Content Include="$(MSBuildThisFileDirectory)native\win-x64\SDL2.dll">
@@ -22,9 +23,9 @@
             <PackagePath>runtimes/win-x64/native</PackagePath>
             <Pack>true</Pack>
         </Content>
-        <Content Include="$(MSBuildThisFileDirectory)native\win-x86\SDL2.dll">
+        <Content Include="$(MSBuildThisFileDirectory)native\win-arm64\SDL2.dll">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-            <PackagePath>runtimes/win-x86/native</PackagePath>
+            <PackagePath>runtimes/win-arm64/native</PackagePath>
             <Pack>true</Pack>
         </Content>
         <Content Include="$(MSBuildThisFileDirectory)native\osx-x64\libSDL2.dylib">
@@ -32,14 +33,24 @@
             <PackagePath>runtimes/osx-x64/native</PackagePath>
             <Pack>true</Pack>
         </Content>
+        <Content Include="$(MSBuildThisFileDirectory)native\osx-arm64\libSDL2.dylib">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+            <PackagePath>runtimes/osx-arm64/native</PackagePath>
+            <Pack>true</Pack>
+        </Content>
         <Content Include="$(MSBuildThisFileDirectory)native\linux-x64\libSDL2.so">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
             <PackagePath>runtimes/linux-x64/native</PackagePath>
             <Pack>true</Pack>
         </Content>
-        <Content Include="$(MSBuildThisFileDirectory)native\linux-x86\libSDL2.so">
+        <Content Include="$(MSBuildThisFileDirectory)native\linux-arm64\libSDL2.so">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-            <PackagePath>runtimes/linux-x86/native</PackagePath>
+            <PackagePath>runtimes/linux-arm64/native</PackagePath>
+            <Pack>true</Pack>
+        </Content>
+        <Content Include="$(MSBuildThisFileDirectory)native\ios\**\*">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+            <PackagePath>runtimes/ios/native</PackagePath>
             <Pack>true</Pack>
         </Content>
     </ItemGroup>

appveyor.yml

@@ -1,8 +1,8 @@
-image: Visual Studio 2017
+image: Visual Studio 2022
 build_script:
   - cmd: dotnet restore
   - cmd: dotnet pack SDL2-CS.csproj -c:Release --include-symbols /p:Version=%APPVEYOR_BUILD_VERSION%
 test: off
-version: 1.0.{build}
+version: 1.0.{build}-alpha
 artifacts:
   - path: 'bin\Release\*.nupkg'

ci/compile.sh

@@ -0,0 +1,109 @@
+#!/bin/bash
+
+set -e
+
+if [ "$#" -le 1 ]; then
+    echo "usage: <sdl_dir> <output_path> [build_arch]"
+    exit 1
+fi
+
+uname_system="$(uname -s)"
+
+case "${uname_system}" in
+    Linux*)     system_name=linux;;
+    Darwin*)    system_name=macos;;
+    CYGWIN*)    system_name=win;;
+    MINGW*)     system_name=win;;
+    *)          system_name="Unknown OS: ${uname_system}"
+esac
+
+export DEBIAN_FRONTEND=noninteractive
+
+sdl_dir=$1
+output_path=$2
+build_arch=$3
+
+mkdir -p $output_path
+
+if [ -z "$3" ]; then
+    if [ $system_name == "linux" ]; then
+        build_arch=$(dpkg --print-architecture)
+    else
+        echo "ERROR - build_arch parameter needed on macOS and Windows"
+        exit 1
+    fi
+fi
+
+if command -v sudo &> /dev/null
+then
+    SUDO=sudo
+fi
+
+if [[ $system_name == "linux" ]]; then
+    if [[ $build_arch == "i386" ]]; then
+        sudo dpkg --add-architecture i386
+
+        export CFLAGS=-m32
+        export CXXFLAGS=-m32
+    fi
+
+    $SUDO apt-get update -y
+    $SUDO apt-get install -y \
+            build-essential \
+            cmake \
+            ninja-build \
+            wayland-scanner++ \
+            wayland-protocols \
+            pkg-config:$build_arch \
+            libasound2-dev:$build_arch \
+            libdbus-1-dev:$build_arch \
+            libegl1-mesa-dev:$build_arch \
+            libgl1-mesa-dev:$build_arch \
+            libgles2-mesa-dev:$build_arch \
+            libglu1-mesa-dev:$build_arch \
+            libibus-1.0-dev:$build_arch \
+            libpulse-dev:$build_arch \
+            libsdl2-2.0-0:$build_arch \
+            libsndio-dev:$build_arch \
+            libudev-dev:$build_arch \
+            libwayland-dev:$build_arch \
+            libx11-dev:$build_arch \
+            libxcursor-dev:$build_arch \
+            libxext-dev:$build_arch \
+            libxi-dev:$build_arch \
+            libxinerama-dev:$build_arch \
+            libxkbcommon-dev:$build_arch \
+            libxrandr-dev:$build_arch \
+            libxss-dev:$build_arch \
+            libxt-dev:$build_arch \
+            libxv-dev:$build_arch \
+            libxxf86vm-dev:$build_arch \
+            libdrm-dev:$build_arch \
+            libgbm-dev:$build_arch \
+            libpulse-dev:$build_arch \
+            libhidapi-dev:$build_arch \
+            libwayland-client++0:$build_arch \
+            libwayland-cursor++0:$build_arch
+
+    extra_cmake_flags="-GNinja"
+elif [[ $system_name == "macos" ]]; then
+    extra_cmake_flags="-DCMAKE_OSX_ARCHITECTURES=\"$build_arch\" -DCMAKE_OSX_DEPLOYMENT_TARGET=\"11.0\""
+elif [[ $system_name == "win" ]]; then
+    extra_cmake_flags="-A $build_arch"
+fi
+
+pushd $sdl_dir
+cmake -B build -DCMAKE_BUILD_TYPE=Release -DSDL_SHARED_ENABLED_BY_DEFAULT=ON -DSDL_STATIC_ENABLED_BY_DEFAULT=ON $extra_cmake_flags
+cmake --build build/ --config Release
+$SUDO cmake --install build/ --prefix install_output --config Release
+
+mkdir -p $output_path
+
+if [[ $system_name == "linux" ]]; then
+    cp install_output/lib/libSDL2-2.0.so.0 $output_path/libSDL2.so
+elif [[ $system_name == "macos" ]]; then
+    cp install_output/lib/libSDL2-2.0.dylib $output_path/libSDL2.dylib
+elif [[ $system_name == "win" ]]; then
+    cp install_output/bin/SDL2.dll $output_path/SDL2.dll
+fi
+popd

ci/run.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+set -e
+
+if [ "$#" -le 2 ]; then
+    echo "usage: <sdl_dir> <output_path> <build_arch>"
+    exit 1
+fi
+
+uname_system="$(uname -s)"
+
+case "${uname_system}" in
+    Linux*)     system_name=linux;;
+    Darwin*)    system_name=macos;;
+    CYGWIN*)    system_name=win;;
+    MINGW*)     system_name=win;;
+    *)          system_name="Unknown OS: ${uname_system}"
+esac
+
+sdl_dir=$1
+output_path=$2
+build_arch=$3
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+mkdir -p $output_path
+
+if [ $system_name == "linux" ] && [ $build_arch == "arm64" ]; then
+    if command -v podman &> /dev/null; then
+        DOCKER=podman
+    elif command -v docker &> /dev/null; then
+        DOCKER=docker
+    else
+        echo "ERROR - Missing docker/podman env, cannot crossbuild"
+        exit 1
+    fi
+
+    $DOCKER run --rm -v $SCRIPT_DIR:/scripts -v $output_path:/output -v $sdl_dir:/source -t arm64v8/ubuntu:focal bash /scripts/compile.sh /source /output $build_arch
+else
+    $SCRIPT_DIR/compile.sh "$sdl_dir" "$output_path" "$build_arch"
+fi

native/ios/SDL2.xcframework/Info.plist

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>AvailableLibraries</key>
+	<array>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64</string>
+			<key>LibraryPath</key>
+			<string>SDL2.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+		</dict>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64_x86_64-simulator</string>
+			<key>LibraryPath</key>
+			<string>SDL2.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+				<string>x86_64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+			<key>SupportedPlatformVariant</key>
+			<string>simulator</string>
+		</dict>
+	</array>
+	<key>CFBundlePackageType</key>
+	<string>XFWK</string>
+	<key>XCFrameworkFormatVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>

src/SDL2_gfx.cs

@@ -0,0 +1,390 @@
+#region License
+/* SDL2# - C# Wrapper for SDL2
+ *
+ * Copyright (c) 2013-2021 Ethan Lee.
+ *
+ * This software is provided 'as-is', without any express or implied warranty.
+ * In no event will the authors be held liable for any damages arising from
+ * the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software in a
+ * product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
+ *
+ */
+#endregion
+
+#region Using Statements
+using System;
+using System.Runtime.InteropServices;
+#endregion
+
+namespace SDL2
+{
+	public static class SDL_gfx
+	{
+		#region SDL2# Variables
+
+		/* Used by DllImport to load the native library. */
+		private const string nativeLibName = "SDL2_gfx";
+
+		#endregion
+		
+		public const double M_PI = 3.1415926535897932384626433832795;
+		
+		#region SDL2_gfxPrimitives.h
+		
+		public const uint SDL2_GFXPRIMITIVES_MAJOR = 1;
+		public const uint SDL2_GFXPRIMITIVES_MINOR = 0;
+		public const uint SDL2_GFXPRIMITIVES_MICRO = 1;
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int pixelColor(IntPtr renderer, short x, short y, uint color);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int pixelRGBA(IntPtr renderer, short x, short y, byte r, byte g, byte b, byte a);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int hlineColor(IntPtr renderer, short x1, short x2, short y, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int hlineRGBA(IntPtr renderer, short x1, short x2, short y, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int vlineColor(IntPtr renderer, short x, short y1, short y2, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int vlineRGBA(IntPtr renderer, short x, short y1, short y2, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int rectangleColor(IntPtr renderer, short x1, short y1, short x2, short y2, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int rectangleRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte r, byte g, byte b, byte a);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int roundedRectangleColor(IntPtr renderer, short x1, short y1, short x2, short y2, short rad, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int roundedRectangleRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short rad, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int boxColor(IntPtr renderer, short x1, short y1, short x2, short y2, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int boxRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int roundedBoxColor(IntPtr renderer, short x1, short y1, short x2, short y2, short rad, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int roundedBoxRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short rad, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int lineColor(IntPtr renderer, short x1, short y1, short x2, short y2, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int lineRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aalineColor(IntPtr renderer, short x1, short y1, short x2, short y2, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aalineRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int thickLineColor(IntPtr renderer, short x1, short y1, short x2, short y2, byte width, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int thickLineRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, byte width, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int circleColor(IntPtr renderer, short x, short y, short rad, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int circleRGBA(IntPtr renderer, short x, short y, short rad, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int arcColor(IntPtr renderer, short x, short y, short rad, short start, short end, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int arcRGBA(IntPtr renderer, short x, short y, short rad, short start, short end, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aacircleColor(IntPtr renderer, short x, short y, short rad, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aacircleRGBA(IntPtr renderer, short x, short y, short rad, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledCircleColor(IntPtr renderer, short x, short y, short rad, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledCircleRGBA(IntPtr renderer, short x, short y, short rad, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int ellipseColor(IntPtr renderer, short x, short y, short rx, short ry, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int ellipseRGBA(IntPtr renderer, short x, short y, short rx, short ry, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aaellipseColor(IntPtr renderer, short x, short y, short rx, short ry, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aaellipseRGBA(IntPtr renderer, short x, short y, short rx, short ry, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledEllipseColor(IntPtr renderer, short x, short y, short rx, short ry, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledEllipseRGBA(IntPtr renderer, short x, short y, short rx, short ry, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int pieColor(IntPtr renderer, short x, short y, short rad, short start, short end, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int pieRGBA(IntPtr renderer, short x, short y, short rad, short start, short end, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledPieColor(IntPtr renderer, short x, short y, short rad, short start, short end, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledPieRGBA(IntPtr renderer, short x, short y, short rad, short start, short end, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int trigonColor(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int trigonRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aatrigonColor(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aatrigonRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledTrigonColor(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledTrigonRGBA(IntPtr renderer, short x1, short y1, short x2, short y2, short x3, short y3, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int polygonColor(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int polygonRGBA(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aapolygonColor(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int aapolygonRGBA(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledPolygonColor(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int filledPolygonRGBA(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int texturedPolygon(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, IntPtr texture, int texture_dx, int texture_dy);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int bezierColor(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, int s, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int bezierRGBA(IntPtr renderer, [In] short[] vx, [In] short[] vy, int n, int s, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void gfxPrimitivesSetFont([In] byte[] fontdata, uint cw, uint ch);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void gfxPrimitivesSetFontRotation(uint rotation);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int characterColor(IntPtr renderer, short x, short y, char c, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int characterRGBA(IntPtr renderer, short x, short y, char c, byte r, byte g, byte b, byte a);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int stringColor(IntPtr renderer, short x, short y, string s, uint color);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int stringRGBA(IntPtr renderer, short x, short y, string s, byte r, byte g, byte b, byte a);
+
+		#endregion
+
+		#region SDL2_rotozoom.h
+
+		public const int SMOOTHING_OFF = 0;
+		public const int SMOOTHING_ON = 1;
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr rotozoomSurface(IntPtr src, double angle, double zoom, int smooth);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr rotozoomSurfaceXY(IntPtr src, double angle, double zoomx, double zoomy, int smooth);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void rotozoomSurfaceSize(int width, int height, double angle, double zoom, out int dstwidth, out int dstheight);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void rotozoomSurfaceSizeXY(int width, int height, double angle, double zoomx, double zoomy, out int dstwidth, out int dstheight);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr zoomSurface(IntPtr src, double zoomx, double zoomy, int smooth);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void zoomSurfaceSize(int width, int height, double zoomx, double zoomy, out int dstwidth, out int dstheight);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr shrinkSurface(IntPtr src, int factorx, int factory);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr rotateSurface90Degrees(IntPtr src, int numClockwiseTurns);
+
+		#endregion
+
+		#region SDL2_framerate.h
+
+		public const int FPS_UPPER_LIMIT = 200;
+		public const int FPS_LOWER_LIMIT = 1;
+		public const int FPS_DEFAULT = 30;
+		
+		[StructLayout(LayoutKind.Sequential)]
+		public struct FPSmanager
+		{
+			public uint framecount;
+			public float rateticks;
+			public uint baseticks;
+			public uint lastticks;
+			public uint rate;
+		}
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void SDL_initFramerate(ref FPSmanager manager);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_setFramerate(ref FPSmanager manager, uint rate);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_getFramerate(ref FPSmanager manager);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_getFramecount(ref FPSmanager manager);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern uint SDL_framerateDelay(ref FPSmanager manager);
+
+		#endregion
+
+		#region SDL2_imageFilter.h
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterMMXdetect();
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void SDL_imageFilterMMXoff();
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void SDL_imageFilterMMXon();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterAdd([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterMean([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterSub([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterAbsDiff([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterMult([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterMultNor([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterMultDivby2([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterMultDivby4([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterBitAnd([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterBitOr([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterDiv([In] byte[] src1, [In] byte[] src2, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterBitNegation([In] byte[] src1, [Out] byte[] dest, uint length);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterAddByte([In] byte[] src1, [Out] byte[] dest, uint length, byte c);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterAddUint([In] byte[] src1, [Out] byte[] dest, uint length, uint c);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterAddByteToHalf([In] byte[] src1, [Out] byte[] dest, uint length, byte c);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterSubByte([In] byte[] src1, [Out] byte[] dest, uint length, byte c);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterSubUint([In] byte[] src1, [Out] byte[] dest, uint length, uint c);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterShiftRight([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterShiftRightUint([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterMultByByte([In] byte[] src1, [Out] byte[] dest, uint length, byte c);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterShiftRightAndMultByByte([In] byte[] src1, [Out] byte[] dest, uint length, byte n, byte c);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterShiftLeftByte([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterShiftLeftUint([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterShiftLeft([In] byte[] src1, [Out] byte[] dest, uint length, byte n);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterBinarizeUsingThreshold([In] byte[] src1, [Out] byte[] dest, uint length, byte t);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterClipToRange([In] byte[] src1, [Out] byte[] dest, uint length, byte tmin, byte tmax);
+		
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_imageFilterNormalizeLinear([In] byte[] src1, [Out] byte[] dest, uint length, int cmin, int cmax, int nmin, int nmax);
+
+		#endregion
+	}
+}

src/SDL2_image.cs

@@ -0,0 +1,317 @@
+#region License
+/* SDL2# - C# Wrapper for SDL2
+ *
+ * Copyright (c) 2013-2021 Ethan Lee.
+ *
+ * This software is provided 'as-is', without any express or implied warranty.
+ * In no event will the authors be held liable for any damages arising from
+ * the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software in a
+ * product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
+ *
+ */
+#endregion
+
+#region Using Statements
+using System;
+using System.Runtime.InteropServices;
+#endregion
+
+namespace SDL2
+{
+	public static class SDL_image
+	{
+		#region SDL2# Variables
+
+		/* Used by DllImport to load the native library. */
+		private const string nativeLibName = "SDL2_image";
+
+		#endregion
+
+		#region SDL_image.h
+
+		/* Similar to the headers, this is the version we're expecting to be
+		 * running with. You will likely want to check this somewhere in your
+		 * program!
+		 */
+		public const int SDL_IMAGE_MAJOR_VERSION =	2;
+		public const int SDL_IMAGE_MINOR_VERSION =	0;
+		public const int SDL_IMAGE_PATCHLEVEL =		6;
+
+		[Flags]
+		public enum IMG_InitFlags
+		{
+			IMG_INIT_JPG =	0x00000001,
+			IMG_INIT_PNG =	0x00000002,
+			IMG_INIT_TIF =	0x00000004,
+			IMG_INIT_WEBP =	0x00000008
+		}
+
+		public static void SDL_IMAGE_VERSION(out SDL.SDL_version X)
+		{
+			X.major = SDL_IMAGE_MAJOR_VERSION;
+			X.minor = SDL_IMAGE_MINOR_VERSION;
+			X.patch = SDL_IMAGE_PATCHLEVEL;
+		}
+
+		[DllImport(nativeLibName, EntryPoint = "IMG_Linked_Version", CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_IMG_Linked_Version();
+		public static SDL.SDL_version IMG_Linked_Version()
+		{
+			SDL.SDL_version result;
+			IntPtr result_ptr = INTERNAL_IMG_Linked_Version();
+			result = (SDL.SDL_version) Marshal.PtrToStructure(
+				result_ptr,
+				typeof(SDL.SDL_version)
+			);
+			return result;
+		}
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int IMG_Init(IMG_InitFlags flags);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void IMG_Quit();
+
+		/* IntPtr refers to an SDL_Surface* */
+		[DllImport(nativeLibName, EntryPoint = "IMG_Load", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_IMG_Load(
+			byte* file
+		);
+		public static unsafe IntPtr IMG_Load(string file)
+		{
+			byte* utf8File = SDL.Utf8EncodeHeap(file);
+			IntPtr handle = INTERNAL_IMG_Load(
+				utf8File
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8File);
+			return handle;
+		}
+
+		/* src refers to an SDL_RWops*, IntPtr to an SDL_Surface* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr IMG_Load_RW(
+			IntPtr src,
+			int freesrc
+		);
+
+		/* src refers to an SDL_RWops*, IntPtr to an SDL_Surface* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, EntryPoint = "IMG_LoadTyped_RW", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_IMG_LoadTyped_RW(
+			IntPtr src,
+			int freesrc,
+			byte* type
+		);
+		public static unsafe IntPtr IMG_LoadTyped_RW(
+			IntPtr src,
+			int freesrc,
+			string type
+		) {
+			int utf8TypeBufSize = SDL.Utf8Size(type);
+			byte* utf8Type = stackalloc byte[utf8TypeBufSize];
+			return INTERNAL_IMG_LoadTyped_RW(
+				src,
+				freesrc,
+				SDL.Utf8Encode(type, utf8Type, utf8TypeBufSize)
+			);
+		}
+
+		/* IntPtr refers to an SDL_Texture*, renderer to an SDL_Renderer* */
+		[DllImport(nativeLibName, EntryPoint = "IMG_LoadTexture", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_IMG_LoadTexture(
+			IntPtr renderer,
+			byte* file
+		);
+		public static unsafe IntPtr IMG_LoadTexture(
+			IntPtr renderer,
+			string file
+		) {
+			byte* utf8File = SDL.Utf8EncodeHeap(file);
+			IntPtr handle = INTERNAL_IMG_LoadTexture(
+				renderer,
+				utf8File
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8File);
+			return handle;
+		}
+
+		/* renderer refers to an SDL_Renderer*.
+		 * src refers to an SDL_RWops*.
+		 * IntPtr to an SDL_Texture*.
+		 */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr IMG_LoadTexture_RW(
+			IntPtr renderer,
+			IntPtr src,
+			int freesrc
+		);
+
+		/* renderer refers to an SDL_Renderer*.
+		 * src refers to an SDL_RWops*.
+		 * IntPtr to an SDL_Texture*.
+		 */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, EntryPoint = "IMG_LoadTextureTyped_RW", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_IMG_LoadTextureTyped_RW(
+			IntPtr renderer,
+			IntPtr src,
+			int freesrc,
+			byte* type
+		);
+		public static unsafe IntPtr IMG_LoadTextureTyped_RW(
+			IntPtr renderer,
+			IntPtr src,
+			int freesrc,
+			string type
+		) {
+			byte* utf8Type = SDL.Utf8EncodeHeap(type);
+			IntPtr handle = INTERNAL_IMG_LoadTextureTyped_RW(
+				renderer,
+				src,
+				freesrc,
+				utf8Type
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Type);
+			return handle;
+		}
+
+		/* IntPtr refers to an SDL_Surface* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr IMG_ReadXPMFromArray(
+			[In()] [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPStr)]
+				string[] xpm
+		);
+
+		/* surface refers to an SDL_Surface* */
+		[DllImport(nativeLibName, EntryPoint = "IMG_SavePNG", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe int INTERNAL_IMG_SavePNG(
+			IntPtr surface,
+			byte* file
+		);
+		public static unsafe int IMG_SavePNG(IntPtr surface, string file)
+		{
+			byte* utf8File = SDL.Utf8EncodeHeap(file);
+			int result = INTERNAL_IMG_SavePNG(
+				surface,
+				utf8File
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8File);
+			return result;
+		}
+
+		/* surface refers to an SDL_Surface*, dst to an SDL_RWops* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int IMG_SavePNG_RW(
+			IntPtr surface,
+			IntPtr dst,
+			int freedst
+		);
+
+		/* surface refers to an SDL_Surface* */
+		[DllImport(nativeLibName, EntryPoint = "IMG_SaveJPG", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe int INTERNAL_IMG_SaveJPG(
+			IntPtr surface,
+			byte* file,
+			int quality
+		);
+		public static unsafe int IMG_SaveJPG(IntPtr surface, string file, int quality)
+		{
+			byte* utf8File = SDL.Utf8EncodeHeap(file);
+			int result = INTERNAL_IMG_SaveJPG(
+				surface,
+				utf8File,
+				quality
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8File);
+			return result;
+		}
+
+		/* surface refers to an SDL_Surface*, dst to an SDL_RWops* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int IMG_SaveJPG_RW(
+			IntPtr surface,
+			IntPtr dst,
+			int freedst,
+			int quality
+		);
+
+		public static string IMG_GetError()
+		{
+			return SDL.SDL_GetError();
+		}
+
+		public static void IMG_SetError(string fmtAndArglist)
+		{
+			SDL.SDL_SetError(fmtAndArglist);
+		}
+
+		#region Animated Image Support
+
+		/* This region is only available in 2.0.6 or higher. */
+
+		public struct IMG_Animation
+		{
+			public int w;
+			public int h;
+			public IntPtr frames; /* SDL_Surface** */
+			public IntPtr delays; /* int* */
+		}
+
+		/* IntPtr refers to an IMG_Animation* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr IMG_LoadAnimation(
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string file
+		);
+
+		/* IntPtr refers to an IMG_Animation*, src to an SDL_RWops* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr IMG_LoadAnimation_RW(
+			IntPtr src,
+			int freesrc
+		);
+
+		/* IntPtr refers to an IMG_Animation*, src to an SDL_RWops* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr IMG_LoadAnimationTyped_RW(
+			IntPtr src,
+			int freesrc,
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string type
+		);
+
+		/* anim refers to an IMG_Animation* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void IMG_FreeAnimation(IntPtr anim);
+
+		/* IntPtr refers to an IMG_Animation*, src to an SDL_RWops* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr IMG_LoadGIFAnimation_RW(IntPtr src);
+
+		#endregion
+
+		#endregion
+	}
+}

src/SDL2_mixer.cs

@@ -0,0 +1,666 @@
+#region License
+/* SDL2# - C# Wrapper for SDL2
+ *
+ * Copyright (c) 2013-2021 Ethan Lee.
+ *
+ * This software is provided 'as-is', without any express or implied warranty.
+ * In no event will the authors be held liable for any damages arising from
+ * the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software in a
+ * product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
+ *
+ */
+#endregion
+
+#region Using Statements
+using System;
+using System.Runtime.InteropServices;
+#endregion
+
+namespace SDL2
+{
+	public static class SDL_mixer
+	{
+		#region SDL2# Variables
+
+		/* Used by DllImport to load the native library. */
+		private const string nativeLibName = "SDL2_mixer";
+
+		#endregion
+
+		#region SDL_mixer.h
+
+		/* Similar to the headers, this is the version we're expecting to be
+		 * running with. You will likely want to check this somewhere in your
+		 * program!
+		 */
+		public const int SDL_MIXER_MAJOR_VERSION =	2;
+		public const int SDL_MIXER_MINOR_VERSION =	0;
+		public const int SDL_MIXER_PATCHLEVEL =		5;
+
+		/* In C, you can redefine this value before including SDL_mixer.h.
+		 * We're not going to allow this in SDL2#, since the value of this
+		 * variable is persistent and not dependent on preprocessor ordering.
+		 */
+		public const int MIX_CHANNELS = 8;
+
+		public static readonly int MIX_DEFAULT_FREQUENCY = 44100;
+		public static readonly ushort MIX_DEFAULT_FORMAT =
+			BitConverter.IsLittleEndian ? SDL.AUDIO_S16LSB : SDL.AUDIO_S16MSB;
+		public static readonly int MIX_DEFAULT_CHANNELS = 2;
+		public static readonly byte MIX_MAX_VOLUME = 128;
+
+		[Flags]
+		public enum MIX_InitFlags
+		{
+			MIX_INIT_FLAC =		0x00000001,
+			MIX_INIT_MOD =		0x00000002,
+			MIX_INIT_MP3 =		0x00000008,
+			MIX_INIT_OGG =		0x00000010,
+			MIX_INIT_MID =		0x00000020,
+			MIX_INIT_OPUS =		0x00000040
+		}
+
+		public struct MIX_Chunk
+		{
+			public int allocated;
+			public IntPtr abuf; /* Uint8* */
+			public uint alen;
+			public byte volume;
+		}
+
+		public enum Mix_Fading
+		{
+			MIX_NO_FADING,
+			MIX_FADING_OUT,
+			MIX_FADING_IN
+		}
+
+		public enum Mix_MusicType
+		{
+			MUS_NONE,
+			MUS_CMD,
+			MUS_WAV,
+			MUS_MOD,
+			MUS_MID,
+			MUS_OGG,
+			MUS_MP3,
+			MUS_MP3_MAD_UNUSED,
+			MUS_FLAC,
+			MUS_MODPLUG_UNUSED,
+			MUS_OPUS
+		}
+
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate void MixFuncDelegate(
+			IntPtr udata, // void*
+			IntPtr stream, // Uint8*
+			int len
+		);
+
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate void Mix_EffectFunc_t(
+			int chan,
+			IntPtr stream, // void*
+			int len,
+			IntPtr udata // void*
+		);
+
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate void Mix_EffectDone_t(
+			int chan,
+			IntPtr udata // void*
+		);
+
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate void MusicFinishedDelegate();
+
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate void ChannelFinishedDelegate(int channel);
+
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate int SoundFontDelegate(
+			IntPtr a, // const char*
+			IntPtr b // void*
+		);
+
+		public static void SDL_MIXER_VERSION(out SDL.SDL_version X)
+		{
+			X.major = SDL_MIXER_MAJOR_VERSION;
+			X.minor = SDL_MIXER_MINOR_VERSION;
+			X.patch = SDL_MIXER_PATCHLEVEL;
+		}
+
+		[DllImport(nativeLibName, EntryPoint = "MIX_Linked_Version", CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_MIX_Linked_Version();
+		public static SDL.SDL_version MIX_Linked_Version()
+		{
+			SDL.SDL_version result;
+			IntPtr result_ptr = INTERNAL_MIX_Linked_Version();
+			result = (SDL.SDL_version) Marshal.PtrToStructure(
+				result_ptr,
+				typeof(SDL.SDL_version)
+			);
+			return result;
+		}
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_Init(MIX_InitFlags flags);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_Quit();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_OpenAudio(
+			int frequency,
+			ushort format,
+			int channels,
+			int chunksize
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_AllocateChannels(int numchans);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_QuerySpec(
+			out int frequency,
+			out ushort format,
+			out int channels
+		);
+
+		/* src refers to an SDL_RWops*, IntPtr to a Mix_Chunk* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr Mix_LoadWAV_RW(
+			IntPtr src,
+			int freesrc
+		);
+		
+		/* IntPtr refers to a Mix_Chunk* */
+		/* This is an RWops macro in the C header. */
+		public static IntPtr Mix_LoadWAV(string file)
+		{
+			IntPtr rwops = SDL.SDL_RWFromFile(file, "rb");
+			return Mix_LoadWAV_RW(rwops, 1);
+		}
+
+		/* IntPtr refers to a Mix_Music* */
+		[DllImport(nativeLibName, EntryPoint = "Mix_LoadMUS", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_Mix_LoadMUS(
+			byte* file
+		);
+		public static unsafe IntPtr Mix_LoadMUS(string file)
+		{
+			byte* utf8File = SDL.Utf8EncodeHeap(file);
+			IntPtr handle = INTERNAL_Mix_LoadMUS(
+				utf8File
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8File);
+			return handle;
+		}
+
+		/* IntPtr refers to a Mix_Chunk* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr Mix_QuickLoad_WAV(
+			[In()] [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.U1)]
+				byte[] mem
+		);
+
+		/* IntPtr refers to a Mix_Chunk* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr Mix_QuickLoad_RAW(
+			[In()] [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.U1, SizeParamIndex = 1)]
+				byte[] mem,
+			uint len
+		);
+
+		/* chunk refers to a Mix_Chunk* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_FreeChunk(IntPtr chunk);
+
+		/* music refers to a Mix_Music* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_FreeMusic(IntPtr music);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GetNumChunkDecoders();
+
+		[DllImport(nativeLibName, EntryPoint = "Mix_GetChunkDecoder", CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_Mix_GetChunkDecoder(int index);
+		public static string Mix_GetChunkDecoder(int index)
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_Mix_GetChunkDecoder(index)
+			);
+		}
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GetNumMusicDecoders();
+
+		[DllImport(nativeLibName, EntryPoint = "Mix_GetMusicDecoder", CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_Mix_GetMusicDecoder(int index);
+		public static string Mix_GetMusicDecoder(int index)
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_Mix_GetMusicDecoder(index)
+			);
+		}
+
+		/* music refers to a Mix_Music* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern Mix_MusicType Mix_GetMusicType(IntPtr music);
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, EntryPoint = "Mix_GetMusicTitle", CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr INTERNAL_Mix_GetMusicTitle(IntPtr music);
+		public static string Mix_GetMusicTitle(IntPtr music)
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_Mix_GetMusicTitle(music)
+			);
+		}
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, EntryPoint = "Mix_GetMusicTitleTag", CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr INTERNAL_Mix_GetMusicTitleTag(IntPtr music);
+		public static string Mix_GetMusicTitleTag(IntPtr music)
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_Mix_GetMusicTitleTag(music)
+			);
+		}
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, EntryPoint = "Mix_GetMusicArtistTag", CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr INTERNAL_Mix_GetMusicArtistTag(IntPtr music);
+		public static string Mix_GetMusicArtistTag(IntPtr music)
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_Mix_GetMusicArtistTag(music)
+			);
+		}
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, EntryPoint = "Mix_GetMusicAlbumTag", CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr INTERNAL_Mix_GetMusicAlbumTag(IntPtr music);
+		public static string Mix_GetMusicAlbumTag(IntPtr music)
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_Mix_GetMusicAlbumTag(music)
+			);
+		}
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, EntryPoint = "Mix_GetMusicCopyrightTag", CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr INTERNAL_Mix_GetMusicCopyrightTag(IntPtr music);
+		public static string Mix_GetMusicCopyrightTag(IntPtr music)
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_Mix_GetMusicCopyrightTag(music)
+			);
+		}
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_SetPostMix(
+			MixFuncDelegate mix_func,
+			IntPtr arg // void*
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_HookMusic(
+			MixFuncDelegate mix_func,
+			IntPtr arg // void*
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_HookMusicFinished(
+			MusicFinishedDelegate music_finished
+		);
+
+		/* IntPtr refers to a void* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr Mix_GetMusicHookData();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_ChannelFinished(
+			ChannelFinishedDelegate channel_finished
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_RegisterEffect(
+			int chan,
+			Mix_EffectFunc_t f,
+			Mix_EffectDone_t d,
+			IntPtr arg // void*
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_UnregisterEffect(
+			int channel,
+			Mix_EffectFunc_t f
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_UnregisterAllEffects(int channel);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_SetPanning(
+			int channel,
+			byte left,
+			byte right
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_SetPosition(
+			int channel,
+			short angle,
+			byte distance
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_SetDistance(int channel, byte distance);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_SetReverseStereo(int channel, int flip);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_ReserveChannels(int num);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GroupChannel(int which, int tag);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GroupChannels(int from, int to, int tag);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GroupAvailable(int tag);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GroupCount(int tag);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GroupOldest(int tag);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GroupNewer(int tag);
+
+		/* chunk refers to a Mix_Chunk* */
+		public static int Mix_PlayChannel(
+			int channel,
+			IntPtr chunk,
+			int loops
+		) {
+			return Mix_PlayChannelTimed(channel, chunk, loops, -1);
+		}
+
+		/* chunk refers to a Mix_Chunk* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_PlayChannelTimed(
+			int channel,
+			IntPtr chunk,
+			int loops,
+			int ticks
+		);
+
+		/* music refers to a Mix_Music* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_PlayMusic(IntPtr music, int loops);
+
+		/* music refers to a Mix_Music* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_FadeInMusic(
+			IntPtr music,
+			int loops,
+			int ms
+		);
+
+		/* music refers to a Mix_Music* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_FadeInMusicPos(
+			IntPtr music,
+			int loops,
+			int ms,
+			double position
+		);
+
+		/* chunk refers to a Mix_Chunk* */
+		public static int Mix_FadeInChannel(
+			int channel,
+			IntPtr chunk,
+			int loops,
+			int ms
+		) {
+			return Mix_FadeInChannelTimed(channel, chunk, loops, ms, -1);
+		}
+
+		/* chunk refers to a Mix_Chunk* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_FadeInChannelTimed(
+			int channel,
+			IntPtr chunk,
+			int loops,
+			int ms,
+			int ticks
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_Volume(int channel, int volume);
+
+		/* chunk refers to a Mix_Chunk* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_VolumeChunk(
+			IntPtr chunk,
+			int volume
+		);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_VolumeMusic(int volume);
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GetVolumeMusicStream(IntPtr music);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_HaltChannel(int channel);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_HaltGroup(int tag);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_HaltMusic();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_ExpireChannel(int channel, int ticks);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_FadeOutChannel(int which, int ms);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_FadeOutGroup(int tag, int ms);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_FadeOutMusic(int ms);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern Mix_Fading Mix_FadingMusic();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern Mix_Fading Mix_FadingChannel(int which);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_Pause(int channel);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_Resume(int channel);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_Paused(int channel);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_PauseMusic();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_ResumeMusic();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_RewindMusic();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_PausedMusic();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_SetMusicPosition(double position);
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern double Mix_GetMusicPosition(IntPtr music);
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern double Mix_MusicDuration(IntPtr music);
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern double Mix_GetMusicLoopStartTime(IntPtr music);
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern double Mix_GetMusicLoopEndTime(IntPtr music);
+
+		/* music refers to a Mix_Music*
+		 * Only available in 2.0.5 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern double Mix_GetMusicLoopLengthTime(IntPtr music);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_Playing(int channel);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_PlayingMusic();
+
+		[DllImport(nativeLibName, EntryPoint = "Mix_SetMusicCMD", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe int INTERNAL_Mix_SetMusicCMD(
+			byte* command
+		);
+		public static unsafe int Mix_SetMusicCMD(string command)
+		{
+			byte* utf8Cmd = SDL.Utf8EncodeHeap(command);
+			int result = INTERNAL_Mix_SetMusicCMD(
+				utf8Cmd
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Cmd);
+			return result;
+		}
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_SetSynchroValue(int value);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_GetSynchroValue();
+
+		[DllImport(nativeLibName, EntryPoint = "Mix_SetSoundFonts", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe int INTERNAL_Mix_SetSoundFonts(
+			byte* paths
+		);
+		public static unsafe int Mix_SetSoundFonts(string paths)
+		{
+			byte* utf8Paths = SDL.Utf8EncodeHeap(paths);
+			int result = INTERNAL_Mix_SetSoundFonts(
+				utf8Paths
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Paths);
+			return result;
+		}
+
+		[DllImport(nativeLibName, EntryPoint = "Mix_GetSoundFonts", CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_Mix_GetSoundFonts();
+		public static string Mix_GetSoundFonts()
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_Mix_GetSoundFonts()
+			);
+		}
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_EachSoundFont(
+			SoundFontDelegate function,
+			IntPtr data // void*
+		);
+
+		/* Only available in 2.0.5 or later. */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int Mix_SetTimidityCfg(
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string path
+		);
+
+		/* Only available in 2.0.5 or later. */
+		[DllImport(nativeLibName, EntryPoint = "Mix_GetTimidityCfg", CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr INTERNAL_Mix_GetTimidityCfg();
+		public static string Mix_GetTimidityCfg()
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_Mix_GetTimidityCfg()
+			);
+		}
+
+		/* IntPtr refers to a Mix_Chunk* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr Mix_GetChunk(int channel);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void Mix_CloseAudio();
+
+		public static string Mix_GetError()
+		{
+			return SDL.SDL_GetError();
+		}
+
+		public static void Mix_SetError(string fmtAndArglist)
+		{
+			SDL.SDL_SetError(fmtAndArglist);
+		}
+		
+		public static void Mix_ClearError()
+		{
+			SDL.SDL_ClearError();
+		}
+		
+		#endregion
+	}
+}

src/SDL2_ttf.cs

@@ -0,0 +1,769 @@
+#region License
+/* SDL2# - C# Wrapper for SDL2
+ *
+ * Copyright (c) 2013-2021 Ethan Lee.
+ *
+ * This software is provided 'as-is', without any express or implied warranty.
+ * In no event will the authors be held liable for any damages arising from
+ * the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software in a
+ * product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
+ *
+ */
+#endregion
+
+#region Using Statements
+using System;
+using System.Runtime.InteropServices;
+#endregion
+
+namespace SDL2
+{
+	public static class SDL_ttf
+	{
+		#region SDL2# Variables
+
+		/* Used by DllImport to load the native library. */
+		private const string nativeLibName = "SDL2_ttf";
+
+		#endregion
+
+		#region SDL_ttf.h
+
+		/* Similar to the headers, this is the version we're expecting to be
+		 * running with. You will likely want to check this somewhere in your
+		 * program!
+		 */
+		public const int SDL_TTF_MAJOR_VERSION =	2;
+		public const int SDL_TTF_MINOR_VERSION =	0;
+		public const int SDL_TTF_PATCHLEVEL =		16;
+
+		public const int UNICODE_BOM_NATIVE =	0xFEFF;
+		public const int UNICODE_BOM_SWAPPED =	0xFFFE;
+
+		public const int TTF_STYLE_NORMAL =		0x00;
+		public const int TTF_STYLE_BOLD =		0x01;
+		public const int TTF_STYLE_ITALIC =		0x02;
+		public const int TTF_STYLE_UNDERLINE =		0x04;
+		public const int TTF_STYLE_STRIKETHROUGH =	0x08;
+
+		public const int TTF_HINTING_NORMAL =		0;
+		public const int TTF_HINTING_LIGHT =		1;
+		public const int TTF_HINTING_MONO =		2;
+		public const int TTF_HINTING_NONE =		3;
+		public const int TTF_HINTING_LIGHT_SUBPIXEL =	4; /* >= 2.0.16 */
+
+		public static void SDL_TTF_VERSION(out SDL.SDL_version X)
+		{
+			X.major = SDL_TTF_MAJOR_VERSION;
+			X.minor = SDL_TTF_MINOR_VERSION;
+			X.patch = SDL_TTF_PATCHLEVEL;
+		}
+
+		[DllImport(nativeLibName, EntryPoint = "TTF_LinkedVersion", CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_TTF_LinkedVersion();
+		public static SDL.SDL_version TTF_LinkedVersion()
+		{
+			SDL.SDL_version result;
+			IntPtr result_ptr = INTERNAL_TTF_LinkedVersion();
+			result = (SDL.SDL_version) Marshal.PtrToStructure(
+				result_ptr,
+				typeof(SDL.SDL_version)
+			);
+			return result;
+		}
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void TTF_ByteSwappedUNICODE(int swapped);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_Init();
+
+		/* IntPtr refers to a TTF_Font* */
+		[DllImport(nativeLibName, EntryPoint = "TTF_OpenFont", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_TTF_OpenFont(
+			byte* file,
+			int ptsize
+		);
+		public static unsafe IntPtr TTF_OpenFont(string file, int ptsize)
+		{
+			byte* utf8File = SDL.Utf8EncodeHeap(file);
+			IntPtr handle = INTERNAL_TTF_OpenFont(
+				utf8File,
+				ptsize
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8File);
+			return handle;
+		}
+
+		/* src refers to an SDL_RWops*, IntPtr to a TTF_Font* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_OpenFontRW(
+			IntPtr src,
+			int freesrc,
+			int ptsize
+		);
+
+		/* IntPtr refers to a TTF_Font* */
+		[DllImport(nativeLibName, EntryPoint = "TTF_OpenFontIndex", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_TTF_OpenFontIndex(
+			byte* file,
+			int ptsize,
+			long index
+		);
+		public static unsafe IntPtr TTF_OpenFontIndex(
+			string file,
+			int ptsize,
+			long index
+		) {
+			byte* utf8File = SDL.Utf8EncodeHeap(file);
+			IntPtr handle = INTERNAL_TTF_OpenFontIndex(
+				utf8File,
+				ptsize,
+				index
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8File);
+			return handle;
+		}
+
+		/* src refers to an SDL_RWops*, IntPtr to a TTF_Font* */
+		/* THIS IS A PUBLIC RWops FUNCTION! */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_OpenFontIndexRW(
+			IntPtr src,
+			int freesrc,
+			int ptsize,
+			long index
+		);
+
+		/* font refers to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_SetFontSize(
+			IntPtr font,
+			int ptsize
+		);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GetFontStyle(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void TTF_SetFontStyle(IntPtr font, int style);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GetFontOutline(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void TTF_SetFontOutline(IntPtr font, int outline);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GetFontHinting(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void TTF_SetFontHinting(IntPtr font, int hinting);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_FontHeight(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_FontAscent(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_FontDescent(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_FontLineSkip(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GetFontKerning(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void TTF_SetFontKerning(IntPtr font, int allowed);
+
+		/* font refers to a TTF_Font*.
+		 * IntPtr is actually a C long! This ignores Win64!
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_FontFaces(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_FontFaceIsFixedWidth(IntPtr font);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, EntryPoint = "TTF_FontFaceFamilyName", CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_TTF_FontFaceFamilyName(
+			IntPtr font
+		);
+		public static string TTF_FontFaceFamilyName(IntPtr font)
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_TTF_FontFaceFamilyName(font)
+			);
+		}
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, EntryPoint = "TTF_FontFaceStyleName", CallingConvention = CallingConvention.Cdecl)]
+		private static extern IntPtr INTERNAL_TTF_FontFaceStyleName(
+			IntPtr font
+		);
+		public static string TTF_FontFaceStyleName(IntPtr font)
+		{
+			return SDL.UTF8_ToManaged(
+				INTERNAL_TTF_FontFaceStyleName(font)
+			);
+		}
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GlyphIsProvided(IntPtr font, ushort ch);
+
+		/* font refers to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GlyphIsProvided32(IntPtr font, uint ch);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GlyphMetrics(
+			IntPtr font,
+			ushort ch,
+			out int minx,
+			out int maxx,
+			out int miny,
+			out int maxy,
+			out int advance
+		);
+
+		/* font refers to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GlyphMetrics32(
+			IntPtr font,
+			uint ch,
+			out int minx,
+			out int maxx,
+			out int miny,
+			out int maxy,
+			out int advance
+		);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_SizeText(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string text,
+			out int w,
+			out int h
+		);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, EntryPoint = "TTF_SizeUTF8", CallingConvention = CallingConvention.Cdecl)]
+		public static extern unsafe int INTERNAL_TTF_SizeUTF8(
+			IntPtr font,
+			byte* text,
+			out int w,
+			out int h
+		);
+		public static unsafe int TTF_SizeUTF8(
+			IntPtr font,
+			string text,
+			out int w,
+			out int h
+		) {
+			byte* utf8Text = SDL.Utf8EncodeHeap(text);
+			int result = INTERNAL_TTF_SizeUTF8(
+				font,
+				utf8Text,
+				out w,
+				out h
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Text);
+			return result;
+		}
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_SizeUNICODE(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPWStr)]
+				string text,
+			out int w,
+			out int h
+		);
+
+		/* font refers to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_MeasureText(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string text,
+			int measure_width,
+			out int extent,
+			out int count
+		);
+
+		/* font refers to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, EntryPoint = "TTF_MeasureUTF8", CallingConvention = CallingConvention.Cdecl)]
+		public static extern unsafe int INTERNAL_TTF_MeasureUTF8(
+			IntPtr font,
+			byte* text,
+			int measure_width,
+			out int extent,
+			out int count
+		);
+		public static unsafe int TTF_MeasureUTF8(
+			IntPtr font,
+			string text,
+			int measure_width,
+			out int extent,
+			out int count
+		) {
+			byte* utf8Text = SDL.Utf8EncodeHeap(text);
+			int result = INTERNAL_TTF_MeasureUTF8(
+				font,
+				utf8Text,
+				measure_width,
+				out extent,
+				out count
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Text);
+			return result;
+		}
+
+		/* font refers to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_MeasureUNICODE(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPWStr)]
+				string text,
+			int measure_width,
+			out int extent,
+			out int count
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderText_Solid(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string text,
+			SDL.SDL_Color fg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, EntryPoint = "TTF_RenderUTF8_Solid", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_TTF_RenderUTF8_Solid(
+			IntPtr font,
+			byte* text,
+			SDL.SDL_Color fg
+		);
+		public static unsafe IntPtr TTF_RenderUTF8_Solid(
+			IntPtr font,
+			string text,
+			SDL.SDL_Color fg
+		) {
+			byte* utf8Text = SDL.Utf8EncodeHeap(text);
+			IntPtr result = INTERNAL_TTF_RenderUTF8_Solid(
+				font,
+				utf8Text,
+				fg
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Text);
+			return result;
+		}
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderUNICODE_Solid(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPWStr)]
+				string text,
+			SDL.SDL_Color fg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderText_Solid_Wrapped(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string text,
+			SDL.SDL_Color fg,
+			uint wrapLength
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, EntryPoint = "TTF_RenderUTF8_Solid_Wrapped", CallingConvention = CallingConvention.Cdecl)]
+		public static extern unsafe IntPtr INTERNAL_TTF_RenderUTF8_Solid_Wrapped(
+			IntPtr font,
+			byte* text,
+			SDL.SDL_Color fg,
+			uint wrapLength
+		);
+		public static unsafe IntPtr TTF_RenderUTF8_Solid_Wrapped(
+			IntPtr font,
+			string text,
+			SDL.SDL_Color fg,
+			uint wrapLength
+		) {
+			byte* utf8Text = SDL.Utf8EncodeHeap(text);
+			IntPtr result = INTERNAL_TTF_RenderUTF8_Solid_Wrapped(
+				font,
+				utf8Text,
+				fg,
+				wrapLength
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Text);
+			return result;
+		}
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderUNICODE_Solid_Wrapped(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPWStr)]
+				string text,
+			SDL.SDL_Color fg,
+			uint wrapLength
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderGlyph_Solid(
+			IntPtr font,
+			ushort ch,
+			SDL.SDL_Color fg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderGlyph32_Solid(
+			IntPtr font,
+			uint ch,
+			SDL.SDL_Color fg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderText_Shaded(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string text,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, EntryPoint = "TTF_RenderUTF8_Shaded", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_TTF_RenderUTF8_Shaded(
+			IntPtr font,
+			byte* text,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg
+		);
+		public static unsafe IntPtr TTF_RenderUTF8_Shaded(
+			IntPtr font,
+			string text,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg
+		) {
+			byte* utf8Text = SDL.Utf8EncodeHeap(text);
+			IntPtr result = INTERNAL_TTF_RenderUTF8_Shaded(
+				font,
+				utf8Text,
+				fg,
+				bg
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Text);
+			return result;
+		}
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderUNICODE_Shaded(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPWStr)]
+				string text,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderText_Shaded_Wrapped(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string text,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg,
+			uint wrapLength
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, EntryPoint = "TTF_RenderUTF8_Shaded_Wrapped", CallingConvention = CallingConvention.Cdecl)]
+		public static extern unsafe IntPtr INTERNAL_TTF_RenderUTF8_Shaded_Wrapped(
+			IntPtr font,
+			byte* text,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg,
+			uint wrapLength
+		);
+		public static unsafe IntPtr TTF_RenderUTF8_Shaded_Wrapped(
+			IntPtr font,
+			string text,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg,
+			uint wrapLength
+		) {
+			byte* utf8Text = SDL.Utf8EncodeHeap(text);
+			IntPtr result = INTERNAL_TTF_RenderUTF8_Shaded_Wrapped(
+				font,
+				utf8Text,
+				fg,
+				bg,
+				wrapLength
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Text);
+			return result;
+		}
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderUNICODE_Shaded_Wrapped(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPWStr)]
+				string text,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg,
+			uint wrapLength
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderGlyph_Shaded(
+			IntPtr font,
+			ushort ch,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderGlyph32_Shaded(
+			IntPtr font,
+			uint ch,
+			SDL.SDL_Color fg,
+			SDL.SDL_Color bg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderText_Blended(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string text,
+			SDL.SDL_Color fg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, EntryPoint = "TTF_RenderUTF8_Blended", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_TTF_RenderUTF8_Blended(
+			IntPtr font,
+			byte* text,
+			SDL.SDL_Color fg
+		);
+		public static unsafe IntPtr TTF_RenderUTF8_Blended(
+			IntPtr font,
+			string text,
+			SDL.SDL_Color fg
+		) {
+			byte* utf8Text = SDL.Utf8EncodeHeap(text);
+			IntPtr result = INTERNAL_TTF_RenderUTF8_Blended(
+				font,
+				utf8Text,
+				fg
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Text);
+			return result;
+		}
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderUNICODE_Blended(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPWStr)]
+				string text,
+			SDL.SDL_Color fg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderText_Blended_Wrapped(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPStr)]
+				string text,
+			SDL.SDL_Color fg,
+			uint wrapped
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, EntryPoint = "TTF_RenderUTF8_Blended_Wrapped", CallingConvention = CallingConvention.Cdecl)]
+		private static extern unsafe IntPtr INTERNAL_TTF_RenderUTF8_Blended_Wrapped(
+			IntPtr font,
+			byte* text,
+			SDL.SDL_Color fg,
+			uint wrapped
+		);
+		public static unsafe IntPtr TTF_RenderUTF8_Blended_Wrapped(
+			IntPtr font,
+			string text,
+			SDL.SDL_Color fg,
+			uint wrapped
+		) {
+			byte* utf8Text = SDL.Utf8EncodeHeap(text);
+			IntPtr result = INTERNAL_TTF_RenderUTF8_Blended_Wrapped(
+				font,
+				utf8Text,
+				fg,
+				wrapped
+			);
+			Marshal.FreeHGlobal((IntPtr) utf8Text);
+			return result;
+		}
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderUNICODE_Blended_Wrapped(
+			IntPtr font,
+			[In()] [MarshalAs(UnmanagedType.LPWStr)]
+				string text,
+			SDL.SDL_Color fg,
+			uint wrapped
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderGlyph_Blended(
+			IntPtr font,
+			ushort ch,
+			SDL.SDL_Color fg
+		);
+
+		/* IntPtr refers to an SDL_Surface*, font to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern IntPtr TTF_RenderGlyph32_Blended(
+			IntPtr font,
+			uint ch,
+			SDL.SDL_Color fg
+		);
+
+		/* Only available in 2.0.16 or higher. */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_SetDirection(int direction);
+
+		/* Only available in 2.0.16 or higher. */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_SetScript(int script);
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void TTF_CloseFont(IntPtr font);
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern void TTF_Quit();
+
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_WasInit();
+
+		/* font refers to a TTF_Font* */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int SDL_GetFontKerningSize(
+			IntPtr font,
+			int prev_index,
+			int index
+		);
+
+		/* font refers to a TTF_Font*
+		 * Only available in 2.0.15 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GetFontKerningSizeGlyphs(
+			IntPtr font,
+			ushort previous_ch,
+			ushort ch
+		);
+
+		/* font refers to a TTF_Font*
+		 * Only available in 2.0.16 or higher.
+		 */
+		[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
+		public static extern int TTF_GetFontKerningSizeGlyphs32(
+			IntPtr font,
+			ushort previous_ch,
+			ushort ch
+		);
+
+		public static string TTF_GetError()
+		{
+			return SDL.SDL_GetError();
+		}
+
+		public static void TTF_SetError(string fmtAndArglist)
+		{
+			SDL.SDL_SetError(fmtAndArglist);
+		}
+		
+		#endregion
+	}
+}