// 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 save PNG/JPEG/WebP/TIFF/WIC images.

//

// Author: Skal (pascal.massimino@gmail.com)

#ifndef WEBP_IMAGEIO_IMAGE_ENC_H_

#define WEBP_IMAGEIO_IMAGE_ENC_H_

#include <stdio.h>

#ifdef HAVE_CONFIG_H

#include "webp/config.h"

#endif

#include "webp/types.h"

#include "webp/decode.h"

#ifdef __cplusplus

extern "C" {

#endif

// Output types

typedef enum {

  PNG = 0,

  PAM,

  PPM,

  PGM,

  BMP,

  TIFF,

  RAW_YUV,

  ALPHA_PLANE_ONLY,  // this is for experimenting only

  // forced colorspace output (for testing, mostly)

  RGB, RGBA, BGR, BGRA, ARGB,

  RGBA_4444, RGB_565,

  rgbA, bgrA, Argb, rgbA_4444,

  YUV, YUVA

} WebPOutputFileFormat;

// General all-purpose call.

// Most formats expect a 'buffer' containing RGBA-like samples, except

// RAW_YUV, YUV and YUVA formats.

// If 'out_file_name' is "-", data is saved to stdout.

// Returns false if an error occurred, true otherwise.

int WebPSaveImage(const WebPDecBuffer* const buffer,

                  WebPOutputFileFormat format, const char* const out_file_name);

// Save to PNG.

#ifdef HAVE_WINCODEC_H

int WebPWritePNG(const char* out_file_name, int use_stdout,

                 const struct WebPDecBuffer* const buffer);

#else

int WebPWritePNG(FILE* out_file, const WebPDecBuffer* const buffer);

#endif

// Save to PPM format (RGB, no alpha)

int WebPWritePPM(FILE* fout, const struct WebPDecBuffer* const buffer);

// Save to PAM format (= PPM + alpha)

int WebPWritePAM(FILE* fout, const struct WebPDecBuffer* const buffer);

// Save 16b mode (RGBA4444, RGB565, ...) for debugging purposes.

int WebPWrite16bAsPGM(FILE* fout, const struct WebPDecBuffer* const buffer);

// Save as BMP

int WebPWriteBMP(FILE* fout, const struct WebPDecBuffer* const buffer);

// Save as TIFF

int WebPWriteTIFF(FILE* fout, const struct WebPDecBuffer* const buffer);

// Save the ALPHA plane (only) as a PGM

int WebPWriteAlphaPlane(FILE* fout, const struct WebPDecBuffer* const buffer);

// Save as YUV samples as PGM format (using IMC4 layout).

// See: http://www.fourcc.org/yuv.php#IMC4.

// (very convenient format for viewing the samples, esp. for odd dimensions).

int WebPWritePGM(FILE* fout, const struct WebPDecBuffer* const buffer);

// Save YUV(A) planes sequentially (raw dump)

int WebPWriteYUV(FILE* fout, const struct WebPDecBuffer* const buffer);

// Save 16b mode (RGBA4444, RGB565, ...) as PGM format, for debugging purposes.

int WebPWrite16bAsPGM(FILE* fout, const struct WebPDecBuffer* const buffer);

#ifdef __cplusplus

}    // extern "C"

#endif

#endif  // WEBP_IMAGEIO_IMAGE_ENC_H_