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| 1 /* | 1 /* |
| 2 * Copyright 2010 The Android Open Source Project | 2 * Copyright 2010 The Android Open Source Project |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 | 8 |
| 9 #include "SkJpegUtility.h" | 9 #include "SkJpegUtility.h" |
| 10 | 10 |
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| 40 | 40 |
| 41 src->current_offset = bo; | 41 src->current_offset = bo; |
| 42 src->next_input_byte = (const JOCTET*)src->fBuffer; | 42 src->next_input_byte = (const JOCTET*)src->fBuffer; |
| 43 src->bytes_in_buffer = 0; | 43 src->bytes_in_buffer = 0; |
| 44 return true; | 44 return true; |
| 45 } | 45 } |
| 46 #endif | 46 #endif |
| 47 | 47 |
| 48 static boolean sk_fill_input_buffer(j_decompress_ptr cinfo) { | 48 static boolean sk_fill_input_buffer(j_decompress_ptr cinfo) { |
| 49 skjpeg_source_mgr* src = (skjpeg_source_mgr*)cinfo->src; | 49 skjpeg_source_mgr* src = (skjpeg_source_mgr*)cinfo->src; |
| 50 if (src->fDecoder != NULL && src->fDecoder->shouldCancelDecode()) { | 50 if (src->fDecoder != nullptr && src->fDecoder->shouldCancelDecode()) { |
| 51 return FALSE; | 51 return FALSE; |
| 52 } | 52 } |
| 53 size_t bytes = src->fStream->read(src->fBuffer, skjpeg_source_mgr::kBufferSi
ze); | 53 size_t bytes = src->fStream->read(src->fBuffer, skjpeg_source_mgr::kBufferSi
ze); |
| 54 // note that JPEG is happy with less than the full read, | 54 // note that JPEG is happy with less than the full read, |
| 55 // as long as the result is non-zero | 55 // as long as the result is non-zero |
| 56 if (bytes == 0) { | 56 if (bytes == 0) { |
| 57 return FALSE; | 57 return FALSE; |
| 58 } | 58 } |
| 59 | 59 |
| 60 #ifdef SK_BUILD_FOR_ANDROID | 60 #ifdef SK_BUILD_FOR_ANDROID |
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| 157 void skjpeg_error_exit(j_common_ptr cinfo) { | 157 void skjpeg_error_exit(j_common_ptr cinfo) { |
| 158 skjpeg_error_mgr* error = (skjpeg_error_mgr*)cinfo->err; | 158 skjpeg_error_mgr* error = (skjpeg_error_mgr*)cinfo->err; |
| 159 | 159 |
| 160 (*error->output_message) (cinfo); | 160 (*error->output_message) (cinfo); |
| 161 | 161 |
| 162 /* Let the memory manager delete any temp files before we die */ | 162 /* Let the memory manager delete any temp files before we die */ |
| 163 jpeg_destroy(cinfo); | 163 jpeg_destroy(cinfo); |
| 164 | 164 |
| 165 longjmp(error->fJmpBuf, -1); | 165 longjmp(error->fJmpBuf, -1); |
| 166 } | 166 } |
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