xref: /aosp_15_r20/external/skia/src/encode/SkJPEGWriteUtility.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1*c8dee2aaSAndroid Build Coastguard Worker /*
2*c8dee2aaSAndroid Build Coastguard Worker  * Copyright 2010 The Android Open Source Project
3*c8dee2aaSAndroid Build Coastguard Worker  *
4*c8dee2aaSAndroid Build Coastguard Worker  * Use of this source code is governed by a BSD-style license that can be
5*c8dee2aaSAndroid Build Coastguard Worker  * found in the LICENSE file.
6*c8dee2aaSAndroid Build Coastguard Worker  */
7*c8dee2aaSAndroid Build Coastguard Worker 
8*c8dee2aaSAndroid Build Coastguard Worker 
9*c8dee2aaSAndroid Build Coastguard Worker #ifndef SkJpegUtility_DEFINED
10*c8dee2aaSAndroid Build Coastguard Worker #define SkJpegUtility_DEFINED
11*c8dee2aaSAndroid Build Coastguard Worker 
12*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkTypes.h"
13*c8dee2aaSAndroid Build Coastguard Worker 
14*c8dee2aaSAndroid Build Coastguard Worker #include <cstdint>
15*c8dee2aaSAndroid Build Coastguard Worker 
16*c8dee2aaSAndroid Build Coastguard Worker extern "C" {
17*c8dee2aaSAndroid Build Coastguard Worker     // We need to include stdio.h before jpeg because jpeg does not include it, but uses FILE
18*c8dee2aaSAndroid Build Coastguard Worker     // See https://github.com/libjpeg-turbo/libjpeg-turbo/issues/17
19*c8dee2aaSAndroid Build Coastguard Worker     #include <stdio.h> // IWYU pragma: keep
20*c8dee2aaSAndroid Build Coastguard Worker     #include "jpeglib.h"  // NO_G3_REWRITE
21*c8dee2aaSAndroid Build Coastguard Worker }
22*c8dee2aaSAndroid Build Coastguard Worker 
23*c8dee2aaSAndroid Build Coastguard Worker class SkWStream;
24*c8dee2aaSAndroid Build Coastguard Worker 
25*c8dee2aaSAndroid Build Coastguard Worker void skjpeg_error_exit(j_common_ptr cinfo);
26*c8dee2aaSAndroid Build Coastguard Worker 
27*c8dee2aaSAndroid Build Coastguard Worker /////////////////////////////////////////////////////////////////////////////
28*c8dee2aaSAndroid Build Coastguard Worker /* Our destination struct for directing decompressed pixels to our stream
29*c8dee2aaSAndroid Build Coastguard Worker  * object.
30*c8dee2aaSAndroid Build Coastguard Worker  */
31*c8dee2aaSAndroid Build Coastguard Worker struct SK_SPI skjpeg_destination_mgr : jpeg_destination_mgr {
32*c8dee2aaSAndroid Build Coastguard Worker     skjpeg_destination_mgr(SkWStream* stream);
33*c8dee2aaSAndroid Build Coastguard Worker 
34*c8dee2aaSAndroid Build Coastguard Worker     SkWStream* const fStream;
35*c8dee2aaSAndroid Build Coastguard Worker 
36*c8dee2aaSAndroid Build Coastguard Worker     enum {
37*c8dee2aaSAndroid Build Coastguard Worker         kBufferSize = 1024
38*c8dee2aaSAndroid Build Coastguard Worker     };
39*c8dee2aaSAndroid Build Coastguard Worker     uint8_t fBuffer[kBufferSize];
40*c8dee2aaSAndroid Build Coastguard Worker };
41*c8dee2aaSAndroid Build Coastguard Worker 
42*c8dee2aaSAndroid Build Coastguard Worker #endif
43