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commit 6793b01905a9072059080e70fa79c685e43a945c Author: Cyril Hrubis metan@ucw.cz Date: Tue Nov 6 19:54:09 2012 +0100

loaders: Add forgotten header, ouch.

I will not forgot to add the headers. I will not forgot to add the headers. I will not forgot to add the headers. I will not forgot to add the headers.

diff --git a/include/loaders/GP_Loader.h b/include/loaders/GP_Loader.h new file mode 100644 index 0000000..a5ef06b --- /dev/null +++ b/include/loaders/GP_Loader.h @@ -0,0 +1,109 @@ +/***************************************************************************** + * This file is part of gfxprim library. * + * * + * Gfxprim is free software; you can redistribute it and/or * + * modify it under the terms of the GNU Lesser General Public * + * License as published by the Free Software Foundation; either * + * version 2.1 of the License, or (at your option) any later version. * + * * + * Gfxprim is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with gfxprim; if not, write to the Free Software * + * Foundation, Inc., 51 Franklin Street, Fifth Floor, * + * Boston, MA 02110-1301 USA * + * * + * Copyright (C) 2009-2012 Cyril Hrubis metan@ucw.cz * + * * + *****************************************************************************/ + + /* + + Core include file for loaders API. + + */ + +#ifndef LOADERS_GP_LOADER_H +#define LOADERS_GP_LOADER_H + +#include "core/GP_Context.h" +#include "core/GP_ProgressCallback.h" + +#include "GP_MetaData.h" + +/* + * Tries to load image accordingly to the file extension. + * + * If operation fails NULL is returned and errno is filled. + */ +GP_Context *GP_LoadImage(const char *src_path, GP_ProgressCallback *callback); + +/* + * Loads image Meta Data (if possible). + */ +int GP_LoadMetaData(const char *src_path, GP_MetaData *data); + +/* + * Simple saving function, the image format is matched by file extension. + * + * Retruns zero on succes. + * + * On failure non-zero is returned. + * + * When file type wasn't recognized by extension or if support for requested + * image format wasn't compiled in non-zero is returned and errno is set to + * ENOSYS. + * + * The resulting errno may also be set to any possible error from fopen(3), open(3), + * write(3), fwrite(3), seek(3), etc.. + */ +int GP_SaveImage(const GP_Context *src, const char *dst_path, + GP_ProgressCallback *callback); + +/* + * You can register your own loader here. + */ +typedef struct GP_Loader { + /* + * Loads an image. + * + * Returns allocated and initialized bitmap on success, NULL on failure + * and errno must be set. + */ + GP_Context *(*Load)(const char *src_path, GP_ProgressCallback *callback); + + /* + * Save an image. + * + * Returns zero on succes, non-zero on failure and errno must be set. + */ + int (*Save)(const GP_Context *src, const char *dst_path, GP_ProgressCallback *callback); + + /* + * The buffer is filled with 32 bytes from an image start, returns 1 if + * image signature was found zero otherwise. + */ + int (*Match)(const void *buf); + + /* + * Short format name. + */ + const char *fmt_name; + + /* don't touch */ + struct GP_Loader *next; + + /* + * NULL terminated array of file extensions. + */ + const char *extensions[]; +} GP_Loader; + +void GP_LoaderRegister(GP_Loader *self); + +void GP_LoaderUnregister(GP_Loader *self); + +#endif /* LOADERS_GP_LOADER_H */

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Summary of changes: include/loaders/GP_Loader.h | 109 +++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 109 insertions(+), 0 deletions(-) create mode 100644 include/loaders/GP_Loader.h

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