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103 lines
3.3 KiB
C
Executable File
103 lines
3.3 KiB
C
Executable File
/*
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SDL_flic - renders FLIC animations
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Copyright (C) 2003 Andre de Leiradella
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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For information about SDL_flic contact leiradella@bigfoot.com
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Version 1.0: first public release.
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Version 1.1: fixed bug to set *error to FLI_OK when returning successfully from FLI_Open
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added function FLI_Reset to reset the animation to the first frame
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Version 1.2: added function FLI_Skip to skip the current frame without rendering
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FLI_Animation->surface is now correctly locked and unlocked
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the rwops stream is now part of the FLI_Animation structure and is closed inside FLI_Close
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renamed FLI_Reset to FLI_Rewind
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added function FLI_Version that returns the library version
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*/
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#ifndef __SDL_flic_h__
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#define __SDL_flic_h__
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#include <SDL.h>
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#include <setjmp.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Supported formats. */
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#define FLI_FLI 0xAF11
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#define FLI_FLC 0xAF12
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/* Error codes. */
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/* No error. */
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#define FLI_OK 0
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/* Error reading the file. */
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#define FLI_READERROR 1
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/* Invalid frame size (corrupted file). */
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#define FLI_CORRUPTEDFILE 2
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/* Error in SDL operation. */
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#define FLI_SDLERROR 3
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/* Out of memory. */
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#define FLI_OUTOFMEMORY 4
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/*
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The animation structure, all members are read-only, don't try to longjmp to
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error.
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*/
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typedef struct {
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Uint32 format, numframes, width, height, depth, delay, offframe1, nextframe, offnextframe;
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/* rwops is where the animation is read from. */
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SDL_RWops *rwops;
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/* surface is where the frames is rendered to. */
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SDL_Surface *surface;
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/* error is used to longjmp in case of error so to avoid a chain of if's. */
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jmp_buf error;
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} FLI_Animation;
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/*
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Returns the library version in the format MAJOR << 16 | MINOR.
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*/
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extern int FLI_Version(void);
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/*
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Opens a FLIC animation and return a pointer to it. rwops is left at the same
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point it was before the the call. error receives the result of the call.
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*/
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extern FLI_Animation *FLI_Open(SDL_RWops *rwops, int *error);
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/*
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Closes the animation, closes the stream and frees all used memory.
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*/
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extern void FLI_Close(FLI_Animation *flic);
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/*
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Renders the next frame of the animation returning an int to indicate if it was
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successfull or not.
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*/
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extern int FLI_NextFrame(FLI_Animation *flic);
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/*
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Rewinds the animation to the first frame.
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*/
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extern int FLI_Rewind(FLI_Animation *flic);
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/*
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Skips the current frame of the animation without rendering it.
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*/
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extern int FLI_Skip(FLI_Animation *flic);
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#ifdef __cplusplus
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};
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#endif
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#endif
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