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koreader/pic_jpeg.h
Tigran Aivazian 6c9a3c3dc5 Factor out JPEG support into a module
This is to make adding support for new formats easier.
See the file pic_jpeg.h for the description of the interface that each
image format must support.

Conflicts:

	Makefile
2012-10-31 20:54:24 -04:00

31 lines
1.2 KiB
C

/*
KindlePDFViewer: Interface to JPEG module for picture viewer
Copyright (C) 2012 Tigran Aivazian <tigran@bibles.org.uk>
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 3 of the License, or
(at your option) 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _PIC_JPEG_H
#define _PIC_JPEG_H
/* each new image format must provide fmtLoadFile() function which
* performs the following:
* 1. Opens the file 'filename'
* 2. Reads the image data from it into a buffer allocated with malloc()
* 3. Fills in the image *width, *height and *components (number of bytes per pixel)
* 4. Closes the file
* 5. Returns the pointer to the image data
*/
extern uint8_t *jpegLoadFile(const char *fname, int *width, int *height, int *components);
#endif