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https://github.com/Ryujinx/SDL2-CS.git
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Add SDL2_image.cs
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Emir Cengiz
parent
fd5e568e35
commit
56be43cd7b
317
src/SDL2_image.cs
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317
src/SDL2_image.cs
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#region License
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/* SDL2# - C# Wrapper for SDL2
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*
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* Copyright (c) 2013-2021 Ethan Lee.
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in a
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* product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
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*
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*/
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#endregion
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#region Using Statements
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using System;
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using System.Runtime.InteropServices;
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#endregion
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namespace SDL2
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{
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public static class SDL_image
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{
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#region SDL2# Variables
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/* Used by DllImport to load the native library. */
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private const string nativeLibName = "SDL2_image";
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#endregion
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#region SDL_image.h
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/* Similar to the headers, this is the version we're expecting to be
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* running with. You will likely want to check this somewhere in your
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* program!
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*/
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public const int SDL_IMAGE_MAJOR_VERSION = 2;
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public const int SDL_IMAGE_MINOR_VERSION = 0;
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public const int SDL_IMAGE_PATCHLEVEL = 6;
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[Flags]
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public enum IMG_InitFlags
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{
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IMG_INIT_JPG = 0x00000001,
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IMG_INIT_PNG = 0x00000002,
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IMG_INIT_TIF = 0x00000004,
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IMG_INIT_WEBP = 0x00000008
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}
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public static void SDL_IMAGE_VERSION(out SDL.SDL_version X)
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{
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X.major = SDL_IMAGE_MAJOR_VERSION;
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X.minor = SDL_IMAGE_MINOR_VERSION;
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X.patch = SDL_IMAGE_PATCHLEVEL;
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}
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[DllImport(nativeLibName, EntryPoint = "IMG_Linked_Version", CallingConvention = CallingConvention.Cdecl)]
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private static extern IntPtr INTERNAL_IMG_Linked_Version();
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public static SDL.SDL_version IMG_Linked_Version()
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{
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SDL.SDL_version result;
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IntPtr result_ptr = INTERNAL_IMG_Linked_Version();
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result = (SDL.SDL_version) Marshal.PtrToStructure(
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result_ptr,
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typeof(SDL.SDL_version)
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);
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return result;
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}
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int IMG_Init(IMG_InitFlags flags);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void IMG_Quit();
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/* IntPtr refers to an SDL_Surface* */
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[DllImport(nativeLibName, EntryPoint = "IMG_Load", CallingConvention = CallingConvention.Cdecl)]
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private static extern unsafe IntPtr INTERNAL_IMG_Load(
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byte* file
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);
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public static unsafe IntPtr IMG_Load(string file)
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{
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byte* utf8File = SDL.Utf8EncodeHeap(file);
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IntPtr handle = INTERNAL_IMG_Load(
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utf8File
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);
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Marshal.FreeHGlobal((IntPtr) utf8File);
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return handle;
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}
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/* src refers to an SDL_RWops*, IntPtr to an SDL_Surface* */
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/* THIS IS A PUBLIC RWops FUNCTION! */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr IMG_Load_RW(
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IntPtr src,
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int freesrc
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);
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/* src refers to an SDL_RWops*, IntPtr to an SDL_Surface* */
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/* THIS IS A PUBLIC RWops FUNCTION! */
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[DllImport(nativeLibName, EntryPoint = "IMG_LoadTyped_RW", CallingConvention = CallingConvention.Cdecl)]
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private static extern unsafe IntPtr INTERNAL_IMG_LoadTyped_RW(
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IntPtr src,
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int freesrc,
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byte* type
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);
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public static unsafe IntPtr IMG_LoadTyped_RW(
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IntPtr src,
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int freesrc,
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string type
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) {
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int utf8TypeBufSize = SDL.Utf8Size(type);
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byte* utf8Type = stackalloc byte[utf8TypeBufSize];
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return INTERNAL_IMG_LoadTyped_RW(
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src,
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freesrc,
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SDL.Utf8Encode(type, utf8Type, utf8TypeBufSize)
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);
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}
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/* IntPtr refers to an SDL_Texture*, renderer to an SDL_Renderer* */
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[DllImport(nativeLibName, EntryPoint = "IMG_LoadTexture", CallingConvention = CallingConvention.Cdecl)]
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private static extern unsafe IntPtr INTERNAL_IMG_LoadTexture(
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IntPtr renderer,
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byte* file
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);
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public static unsafe IntPtr IMG_LoadTexture(
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IntPtr renderer,
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string file
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) {
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byte* utf8File = SDL.Utf8EncodeHeap(file);
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IntPtr handle = INTERNAL_IMG_LoadTexture(
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renderer,
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utf8File
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);
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Marshal.FreeHGlobal((IntPtr) utf8File);
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return handle;
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}
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/* renderer refers to an SDL_Renderer*.
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* src refers to an SDL_RWops*.
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* IntPtr to an SDL_Texture*.
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*/
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/* THIS IS A PUBLIC RWops FUNCTION! */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr IMG_LoadTexture_RW(
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IntPtr renderer,
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IntPtr src,
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int freesrc
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);
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/* renderer refers to an SDL_Renderer*.
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* src refers to an SDL_RWops*.
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* IntPtr to an SDL_Texture*.
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*/
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/* THIS IS A PUBLIC RWops FUNCTION! */
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[DllImport(nativeLibName, EntryPoint = "IMG_LoadTextureTyped_RW", CallingConvention = CallingConvention.Cdecl)]
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private static extern unsafe IntPtr INTERNAL_IMG_LoadTextureTyped_RW(
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IntPtr renderer,
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IntPtr src,
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int freesrc,
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byte* type
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);
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public static unsafe IntPtr IMG_LoadTextureTyped_RW(
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IntPtr renderer,
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IntPtr src,
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int freesrc,
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string type
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) {
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byte* utf8Type = SDL.Utf8EncodeHeap(type);
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IntPtr handle = INTERNAL_IMG_LoadTextureTyped_RW(
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renderer,
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src,
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freesrc,
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utf8Type
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);
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Marshal.FreeHGlobal((IntPtr) utf8Type);
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return handle;
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}
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/* IntPtr refers to an SDL_Surface* */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr IMG_ReadXPMFromArray(
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[In()] [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPStr)]
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string[] xpm
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);
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/* surface refers to an SDL_Surface* */
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[DllImport(nativeLibName, EntryPoint = "IMG_SavePNG", CallingConvention = CallingConvention.Cdecl)]
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private static extern unsafe int INTERNAL_IMG_SavePNG(
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IntPtr surface,
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byte* file
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);
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public static unsafe int IMG_SavePNG(IntPtr surface, string file)
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{
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byte* utf8File = SDL.Utf8EncodeHeap(file);
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int result = INTERNAL_IMG_SavePNG(
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surface,
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utf8File
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);
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Marshal.FreeHGlobal((IntPtr) utf8File);
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return result;
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}
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/* surface refers to an SDL_Surface*, dst to an SDL_RWops* */
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/* THIS IS A PUBLIC RWops FUNCTION! */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int IMG_SavePNG_RW(
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IntPtr surface,
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IntPtr dst,
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int freedst
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);
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/* surface refers to an SDL_Surface* */
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[DllImport(nativeLibName, EntryPoint = "IMG_SaveJPG", CallingConvention = CallingConvention.Cdecl)]
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private static extern unsafe int INTERNAL_IMG_SaveJPG(
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IntPtr surface,
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byte* file,
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int quality
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);
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public static unsafe int IMG_SaveJPG(IntPtr surface, string file, int quality)
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{
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byte* utf8File = SDL.Utf8EncodeHeap(file);
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int result = INTERNAL_IMG_SaveJPG(
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surface,
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utf8File,
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quality
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);
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Marshal.FreeHGlobal((IntPtr) utf8File);
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return result;
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}
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/* surface refers to an SDL_Surface*, dst to an SDL_RWops* */
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/* THIS IS A PUBLIC RWops FUNCTION! */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern int IMG_SaveJPG_RW(
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IntPtr surface,
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IntPtr dst,
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int freedst,
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int quality
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);
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public static string IMG_GetError()
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{
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return SDL.SDL_GetError();
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}
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public static void IMG_SetError(string fmtAndArglist)
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{
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SDL.SDL_SetError(fmtAndArglist);
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}
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#region Animated Image Support
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/* This region is only available in 2.0.6 or higher. */
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public struct IMG_Animation
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{
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public int w;
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public int h;
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public IntPtr frames; /* SDL_Surface** */
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public IntPtr delays; /* int* */
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}
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/* IntPtr refers to an IMG_Animation* */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr IMG_LoadAnimation(
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[In()] [MarshalAs(UnmanagedType.LPStr)]
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string file
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);
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/* IntPtr refers to an IMG_Animation*, src to an SDL_RWops* */
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/* THIS IS A PUBLIC RWops FUNCTION! */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr IMG_LoadAnimation_RW(
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IntPtr src,
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int freesrc
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);
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/* IntPtr refers to an IMG_Animation*, src to an SDL_RWops* */
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/* THIS IS A PUBLIC RWops FUNCTION! */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr IMG_LoadAnimationTyped_RW(
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IntPtr src,
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int freesrc,
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[In()] [MarshalAs(UnmanagedType.LPStr)]
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string type
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);
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/* anim refers to an IMG_Animation* */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void IMG_FreeAnimation(IntPtr anim);
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/* IntPtr refers to an IMG_Animation*, src to an SDL_RWops* */
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/* THIS IS A PUBLIC RWops FUNCTION! */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr IMG_LoadGIFAnimation_RW(IntPtr src);
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#endregion
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#endregion
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}
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}
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