// Copyright 2017 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.

// -----------------------------------------------------------------------------

//

// partial PNM format decoder (ppm/pgm)

#ifndef WEBP_IMAGEIO_PNMDEC_H_

#define WEBP_IMAGEIO_PNMDEC_H_

#include "webp/types.h"

#ifdef __cplusplus

extern "C" {

#endif

struct Metadata;

struct WebPPicture;

// Reads a PNM file from 'data', returning the decoded output in 'pic'.

// The output is RGB or YUV depending on pic->use_argb value.

// Returns true on success.

// 'metadata' has no effect, but is kept for coherence with other signatures

// for image readers.

int ReadPNM(const uint8_t* const data, size_t data_size,

            struct WebPPicture* const pic, int keep_alpha,

            struct Metadata* const metadata);

#ifdef __cplusplus

}    // extern "C"

#endif

#endif  // WEBP_IMAGEIO_PNMDEC_H_