Delphi-OpenCV/source/sdl2/SDL2_Image.pas
Laentir Valetov 562a25f50e Added ffmpeg sdl2 sample
Signed-off-by: Laentir Valetov <laex@bk.ru>
2014-07-31 03:21:05 +04:00

257 lines
10 KiB
ObjectPascal

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