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/* Cataract - Static web photo gallery generator
* Copyright (C) 2008 Tomas Bzatek <tbzatek@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <glib.h>
typedef struct {
char *datetime;
char *camera_model;
char *iso;
char *focal_length;
char *focal_length_35mm;
char *aperture;
char *exposure;
char *flash;
unsigned long width;
unsigned long height;
} TExifData;
/*
* get_exif: retrieve EXIF info from a JPEG image
*/
int get_exif (const char *filename, TExifData *data);
/*
* free_exif_struct: free allocated structure
*/
void free_exif_data (TExifData *data);
/*
* resize_image: resize image pointed by src and save result to dst
*/
gboolean resize_image (const char *src, const char *dst,
int size_x, int size_y,
int quality);
/*
* get_image_sizes: retrieve image dimensions
*/
void get_image_sizes (const char *img,
unsigned long *width, unsigned long *height);
/*
* calculate_sizes: calculate maximal image sizes within specified limits keeping aspect ratio
*/
void calculate_sizes (const unsigned long max_width, const unsigned long max_height,
unsigned long *width, unsigned long *height);
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