forked from Green-Sky/tomato
71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
|
// Copyright 2016 Google Inc. All Rights Reserved.
|
||
|
|
//
|
||
|
|
// Use of this source code is governed by a BSD-style license
|
||
|
|
// that can be found in the COPYING file in the root of the source
|
||
|
|
// tree. An additional intellectual property rights grant can be found
|
||
|
|
// in the file PATENTS. All contributing project authors may
|
||
|
|
// be found in the AUTHORS file in the root of the source tree.
|
||
|
|
// -----------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// All-in-one library to decode PNG/JPEG/WebP/TIFF/WIC input images.
|
||
|
|
//
|
||
|
|
// Author: Skal (pascal.massimino@gmail.com)
|
||
|
|
|
||
|
|
#ifndef WEBP_IMAGEIO_IMAGE_DEC_H_
|
||
|
|
#define WEBP_IMAGEIO_IMAGE_DEC_H_
|
||
|
|
|
||
|
|
#include "webp/types.h"
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
#include "webp/config.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "./metadata.h"
|
||
|
|
#include "./jpegdec.h"
|
||
|
|
#include "./pngdec.h"
|
||
|
|
#include "./pnmdec.h"
|
||
|
|
#include "./tiffdec.h"
|
||
|
|
#include "./webpdec.h"
|
||
|
|
#include "./wicdec.h"
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
WEBP_PNG_FORMAT = 0,
|
||
|
|
WEBP_JPEG_FORMAT,
|
||
|
|
WEBP_TIFF_FORMAT,
|
||
|
|
WEBP_WEBP_FORMAT,
|
||
|
|
WEBP_PNM_FORMAT,
|
||
|
|
WEBP_UNSUPPORTED_FORMAT
|
||
|
|
} WebPInputFileFormat;
|
||
|
|
|
||
|
|
// Returns a comma separated list of enabled input formats.
|
||
|
|
const char* WebPGetEnabledInputFileFormats(void);
|
||
|
|
|
||
|
|
// Try to infer the image format. 'data_size' should be larger than 12.
|
||
|
|
// Returns WEBP_UNSUPPORTED_FORMAT if format can't be guess safely.
|
||
|
|
WebPInputFileFormat WebPGuessImageType(const uint8_t* const data,
|
||
|
|
size_t data_size);
|
||
|
|
|
||
|
|
// Signature for common image-reading functions (ReadPNG, ReadJPEG, ...)
|
||
|
|
typedef int (*WebPImageReader)(const uint8_t* const data, size_t data_size,
|
||
|
|
struct WebPPicture* const pic,
|
||
|
|
int keep_alpha, struct Metadata* const metadata);
|
||
|
|
|
||
|
|
// Return the reader associated to a given file format.
|
||
|
|
WebPImageReader WebPGetImageReader(WebPInputFileFormat format);
|
||
|
|
|
||
|
|
// This function is similar to WebPGuessImageType(), but returns a
|
||
|
|
// suitable reader function. The returned reader is never NULL, but
|
||
|
|
// unknown formats will return an always-failing valid reader.
|
||
|
|
WebPImageReader WebPGuessImageReader(const uint8_t* const data,
|
||
|
|
size_t data_size);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
} // extern "C"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif // WEBP_IMAGEIO_IMAGE_DEC_H_
|