mirror of
https://github.com/Laex/Delphi-OpenCV.git
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257 lines
10 KiB
ObjectPascal
257 lines
10 KiB
ObjectPascal
unit SDL2_Image;
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{*******************************************************************************
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SDL2_Image.pas v1.0 29/07/2013 first version for DelphiXE
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v1.1 27/08/2013 add MACOS compability
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v1.2 31/05/2014 delete sdl2.inc
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Simple DirectMedia Layer
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Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
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Pascal-Header-Conversion SDL from the JEDI-Team written by Domenique Louis and others.
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convert SDL/SDL2 to SDL2 for DelphiXE by Kotai 2013/2014 www.remakesonline.com
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The initial developer of this Pascal code was :
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Dominqiue Louis <Dominique@SavageSoftware.com.au>
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*******************************************************************************}
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interface
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uses
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SDL2;
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const
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{$IFDEF MSWINDOWS}
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SDL_ImageLibName = 'SDL2_Image.dll';
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{$ENDIF}
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{$IFDEF ANDROID}
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SDL_ImageLibName = 'libSDL2_image.so';
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{$ENDIF}
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{$IFDEF MACOS}
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{$IFDEF IOS}
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SDL_ImageLibName = 'libSDL2_image.a';
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{$ELSE}
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SDL_ImageLibName = 'SDL2_image';
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// SDL_ImageLibName = '../Frameworks/SDL2_image.framework/Versions/A/SDL2_image';
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{$ENDIF}
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{$ENDIF}
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{* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL *}
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SDL_IMAGE_MAJOR_VERSION = 2;
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SDL_IMAGE_MINOR_VERSION = 0;
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SDL_IMAGE_PATCHLEVEL = 0;
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{* This macro can be used to fill a version structure with the compile-time
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* version of the SDL_image library.
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*}
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procedure SDL_IMAGE_VERSION(var X: TSDL_Version);
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{* This function gets the version of the dynamically linked SDL_image library.
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it should NOT be used to fill a version structure, instead you should
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use the SDL_IMAGE_VERSION() macro.
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*}
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function IMG_Linked_Version(): TSDL_Version;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_Linked_Version' {$ENDIF} {$ENDIF};
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const
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IMG_INIT_JPG = $00000001;
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IMG_INIT_PNG = $00000002;
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IMG_INIT_TIF = $00000004;
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IMG_INIT_WEBP = $00000008;
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type
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TIMG_InitFlags = DWord;
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{* Loads dynamic libraries and prepares them for use. Flags should be
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one or more flags from IMG_InitFlags OR'd together.
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It returns the flags successfully initialized, or 0 on failure.
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*}
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function IMG_Init(flags: SInt32): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_Init' {$ENDIF} {$ENDIF};
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{* Unloads libraries loaded with IMG_Init *}
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procedure IMG_Quit();
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_Quit' {$ENDIF} {$ENDIF};
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{* Load an image from an SDL data source.
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The 'type' may be one of: "BMP", "GIF", "PNG", etc.
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If the image format supports a transparent pixel, SDL will set the
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colorkey for the surface. You can enable RLE acceleration on the
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surface afterwards by calling:
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SDL_SetColorKey(image, SDL_RLEACCEL, image->format->colorkey);
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*}
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function IMG_LoadTyped_RW(src: PSDL_RWops; freesrc: SInt32; _type: PChar): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadTyped_RW' {$ENDIF} {$ENDIF};
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{* Convenience functions *}
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function IMG_Load(_file: PChar): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_Load' {$ENDIF} {$ENDIF};
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function IMG_Load_RW(src: PSDL_RWops; freesrc: SInt32): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_Load_RW' {$ENDIF} {$ENDIF};
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{* Load an image directly into a render texture. *}
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function IMG_LoadTexture(renderer: PSDL_Renderer; _file: PChar): PSDL_Texture;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadTexture' {$ENDIF} {$ENDIF};
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function IMG_LoadTexture_RW(renderer: PSDL_Renderer; src: PSDL_RWops; freesrc: SInt32): PSDL_Texture;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadTexture_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadTextureTyped_RW(renderer: PSDL_Renderer; src: PSDL_RWops; freesrc: SInt32; _type: PChar): PSDL_Texture;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadTextureTyped_RW' {$ENDIF} {$ENDIF};
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{* Functions to detect a file type, given a seekable source *}
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function IMG_isICO(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isICO' {$ENDIF} {$ENDIF};
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function IMG_isCUR(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isCUR' {$ENDIF} {$ENDIF};
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function IMG_isBMP(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isBMP' {$ENDIF} {$ENDIF};
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function IMG_isGIF(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isGIF' {$ENDIF} {$ENDIF};
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function IMG_isJPG(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isJPG' {$ENDIF} {$ENDIF};
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function IMG_isLBM(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isLBM' {$ENDIF} {$ENDIF};
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function IMG_isPCX(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isPCX' {$ENDIF} {$ENDIF};
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function IMG_isPNG(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isPNG' {$ENDIF} {$ENDIF};
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function IMG_isPNM(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isPNM' {$ENDIF} {$ENDIF};
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function IMG_isTIF(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isTIF' {$ENDIF} {$ENDIF};
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function IMG_isXCF(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '-IMG_isXCF' {$ENDIF} {$ENDIF};
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function IMG_isXPM(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isXPM' {$ENDIF} {$ENDIF};
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function IMG_isXV(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isXV' {$ENDIF} {$ENDIF};
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function IMG_isWEBP(src: PSDL_RWops): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_isWEBP' {$ENDIF} {$ENDIF};
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{* Individual loading functions *}
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function IMG_LoadICO_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadICO_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadCUR_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadCUR_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadBMP_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadBMP_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadGIF_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadGIF_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadJPG_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadJPG_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadLBM_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadLBM_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadPCX_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadPCX_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadPNG_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadPNG_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadPNM_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadPNM_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadTGA_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadTGA_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadTIF_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadTIF_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadXCF_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadXCF_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadXPM_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadXMP_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadXV_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadXV_RW' {$ENDIF} {$ENDIF};
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function IMG_LoadWEBP_RW(src: PSDL_RWops): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_LoadWEBP_RW' {$ENDIF} {$ENDIF};
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function IMG_ReadXPMFromArray(xpm: PPChar): PSDL_Surface;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_ReadXPMFromArray' {$ENDIF} {$ENDIF};
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{* Individual saving functions *}
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function IMG_SavePNG(surface: PSDL_Surface; const _file: PChar): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_SavePNG' {$ENDIF} {$ENDIF};
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function IMG_SavePNG_RW(surface: PSDL_Surface; dst: PSDL_RWops; freedst: SInt32): SInt32;
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cdecl; external SDL_ImageLibName {$IFDEF MACOS} {$IFNDEF IOS} name '_IMG_SavePNG_RW' {$ENDIF} {$ENDIF};
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{* We'll use SDL for reporting errors *}
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function IMG_SetError(fmt: PChar): SInt32;
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function IMG_GetError: PChar;
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//******************************************************************************
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//******************************************************************************
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//******************************************************************************
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//******************************************************************************
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//******************************************************************************
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implementation
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//******************************************************************************
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procedure SDL_IMAGE_VERSION(var X: TSDL_Version);
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begin
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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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end;
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//******************************************************************************
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function IMG_SetError(fmt: PChar): SInt32;
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begin
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Result := SDL_SetError(fmt);
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end;
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//******************************************************************************
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function IMG_GetError: PChar;
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begin
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Result := SDL_GetError;
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end;
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end.
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