blob: f822107a7202233665166797f474e07b9a3f71d9 [file] [log] [blame]
// Copyright 2013 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.
// -----------------------------------------------------------------------------
// Alpha plane de-quantization utility
// Author: Vikas Arora (
#include "src/webp/types.h"
#ifdef __cplusplus
extern "C" {
// Apply post-processing to input 'data' of size 'width'x'height' assuming that
// the source was quantized to a reduced number of levels. 'stride' is in bytes.
// Strength is in [0..100] and controls the amount of dithering applied.
// Returns false in case of error (data is NULL, invalid parameters,
// malloc failure, ...).
int WebPDequantizeLevels(uint8_t* const data, int width, int height, int stride,
int strength);
#ifdef __cplusplus
} // extern "C"