| // 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. |
| // ----------------------------------------------------------------------------- |
| // |
| // Internal header for animation related functions. |
| // |
| // Author: Hui Su (huisu@google.com) |
| |
| #ifndef WEBP_MUX_ANIMI_H_ |
| #define WEBP_MUX_ANIMI_H_ |
| |
| #include "src/webp/mux.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // Picks the optimal rectangle between two pictures, starting with initial |
| // values of offsets and dimensions that are passed in. The initial |
| // values will be clipped, if necessary, to make sure the rectangle is |
| // within the canvas. "use_argb" must be true for both pictures. |
| // Parameters: |
| // prev_canvas, curr_canvas - (in) two input pictures to compare. |
| // is_lossless, quality - (in) encoding settings. |
| // x_offset, y_offset, width, height - (in/out) rectangle between the two |
| // input pictures. |
| // Returns true on success. |
| int WebPAnimEncoderRefineRect( |
| const struct WebPPicture* const prev_canvas, |
| const struct WebPPicture* const curr_canvas, |
| int is_lossless, float quality, int* const x_offset, int* const y_offset, |
| int* const width, int* const height); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif /* WEBP_MUX_ANIMI_H_ */ |
