Index: src/images/SkJpegUtility.cpp |
diff --git a/src/images/SkJpegUtility.cpp b/src/images/SkJpegUtility.cpp |
deleted file mode 100644 |
index 937c5ec6f6f343f44b7a1fe06b9df7d1846fab91..0000000000000000000000000000000000000000 |
--- a/src/images/SkJpegUtility.cpp |
+++ /dev/null |
@@ -1,166 +0,0 @@ |
-/* |
- * Copyright 2010 The Android Open Source Project |
- * |
- * Use of this source code is governed by a BSD-style license that can be |
- * found in the LICENSE file. |
- */ |
- |
- |
-#include "SkJpegUtility.h" |
- |
-///////////////////////////////////////////////////////////////////// |
-static void sk_init_source(j_decompress_ptr cinfo) { |
- skjpeg_source_mgr* src = (skjpeg_source_mgr*)cinfo->src; |
- src->next_input_byte = (const JOCTET*)src->fBuffer; |
- src->bytes_in_buffer = 0; |
-#ifdef SK_BUILD_FOR_ANDROID |
- src->current_offset = 0; |
-#endif |
- if (!src->fStream->rewind()) { |
- SkDebugf("xxxxxxxxxxxxxx failure to rewind\n"); |
- cinfo->err->error_exit((j_common_ptr)cinfo); |
- } |
-} |
- |
-#ifdef SK_BUILD_FOR_ANDROID |
-static boolean sk_seek_input_data(j_decompress_ptr cinfo, long byte_offset) { |
- skjpeg_source_mgr* src = (skjpeg_source_mgr*)cinfo->src; |
- size_t bo = (size_t) byte_offset; |
- |
- if (bo > src->current_offset) { |
- (void)src->fStream->skip(bo - src->current_offset); |
- } else { |
- if (!src->fStream->rewind()) { |
- SkDebugf("xxxxxxxxxxxxxx failure to rewind\n"); |
- cinfo->err->error_exit((j_common_ptr)cinfo); |
- return false; |
- } |
- (void)src->fStream->skip(bo); |
- } |
- |
- src->current_offset = bo; |
- src->next_input_byte = (const JOCTET*)src->fBuffer; |
- src->bytes_in_buffer = 0; |
- return true; |
-} |
-#endif |
- |
-static boolean sk_fill_input_buffer(j_decompress_ptr cinfo) { |
- skjpeg_source_mgr* src = (skjpeg_source_mgr*)cinfo->src; |
- if (src->fDecoder != NULL && src->fDecoder->shouldCancelDecode()) { |
- return FALSE; |
- } |
- size_t bytes = src->fStream->read(src->fBuffer, skjpeg_source_mgr::kBufferSize); |
- // note that JPEG is happy with less than the full read, |
- // as long as the result is non-zero |
- if (bytes == 0) { |
- return FALSE; |
- } |
- |
-#ifdef SK_BUILD_FOR_ANDROID |
- src->current_offset += bytes; |
-#endif |
- src->next_input_byte = (const JOCTET*)src->fBuffer; |
- src->bytes_in_buffer = bytes; |
- return TRUE; |
-} |
- |
-static void sk_skip_input_data(j_decompress_ptr cinfo, long num_bytes) { |
- skjpeg_source_mgr* src = (skjpeg_source_mgr*)cinfo->src; |
- |
- if (num_bytes > (long)src->bytes_in_buffer) { |
- size_t bytesToSkip = num_bytes - src->bytes_in_buffer; |
- while (bytesToSkip > 0) { |
- size_t bytes = src->fStream->skip(bytesToSkip); |
- if (bytes <= 0 || bytes > bytesToSkip) { |
-// SkDebugf("xxxxxxxxxxxxxx failure to skip request %d returned %d\n", bytesToSkip, bytes); |
- cinfo->err->error_exit((j_common_ptr)cinfo); |
- return; |
- } |
-#ifdef SK_BUILD_FOR_ANDROID |
- src->current_offset += bytes; |
-#endif |
- bytesToSkip -= bytes; |
- } |
- src->next_input_byte = (const JOCTET*)src->fBuffer; |
- src->bytes_in_buffer = 0; |
- } else { |
- src->next_input_byte += num_bytes; |
- src->bytes_in_buffer -= num_bytes; |
- } |
-} |
- |
-static void sk_term_source(j_decompress_ptr /*cinfo*/) {} |
- |
- |
-/////////////////////////////////////////////////////////////////////////////// |
- |
-skjpeg_source_mgr::skjpeg_source_mgr(SkStream* stream, SkImageDecoder* decoder) |
- : fStream(stream) |
- , fDecoder(decoder) { |
- |
- init_source = sk_init_source; |
- fill_input_buffer = sk_fill_input_buffer; |
- skip_input_data = sk_skip_input_data; |
- resync_to_restart = jpeg_resync_to_restart; |
- term_source = sk_term_source; |
-#ifdef SK_BUILD_FOR_ANDROID |
- seek_input_data = sk_seek_input_data; |
-#endif |
-// SkDebugf("**************** use memorybase %p %d\n", fMemoryBase, fMemoryBaseSize); |
-} |
- |
-/////////////////////////////////////////////////////////////////////////////// |
- |
-static void sk_init_destination(j_compress_ptr cinfo) { |
- skjpeg_destination_mgr* dest = (skjpeg_destination_mgr*)cinfo->dest; |
- |
- dest->next_output_byte = dest->fBuffer; |
- dest->free_in_buffer = skjpeg_destination_mgr::kBufferSize; |
-} |
- |
-static boolean sk_empty_output_buffer(j_compress_ptr cinfo) { |
- skjpeg_destination_mgr* dest = (skjpeg_destination_mgr*)cinfo->dest; |
- |
-// if (!dest->fStream->write(dest->fBuffer, skjpeg_destination_mgr::kBufferSize - dest->free_in_buffer)) |
- if (!dest->fStream->write(dest->fBuffer, |
- skjpeg_destination_mgr::kBufferSize)) { |
- ERREXIT(cinfo, JERR_FILE_WRITE); |
- return false; |
- } |
- |
- dest->next_output_byte = dest->fBuffer; |
- dest->free_in_buffer = skjpeg_destination_mgr::kBufferSize; |
- return TRUE; |
-} |
- |
-static void sk_term_destination (j_compress_ptr cinfo) { |
- skjpeg_destination_mgr* dest = (skjpeg_destination_mgr*)cinfo->dest; |
- |
- size_t size = skjpeg_destination_mgr::kBufferSize - dest->free_in_buffer; |
- if (size > 0) { |
- if (!dest->fStream->write(dest->fBuffer, size)) { |
- ERREXIT(cinfo, JERR_FILE_WRITE); |
- return; |
- } |
- } |
- dest->fStream->flush(); |
-} |
- |
-skjpeg_destination_mgr::skjpeg_destination_mgr(SkWStream* stream) |
- : fStream(stream) { |
- this->init_destination = sk_init_destination; |
- this->empty_output_buffer = sk_empty_output_buffer; |
- this->term_destination = sk_term_destination; |
-} |
- |
-void skjpeg_error_exit(j_common_ptr cinfo) { |
- skjpeg_error_mgr* error = (skjpeg_error_mgr*)cinfo->err; |
- |
- (*error->output_message) (cinfo); |
- |
- /* Let the memory manager delete any temp files before we die */ |
- jpeg_destroy(cinfo); |
- |
- longjmp(error->fJmpBuf, -1); |
-} |