| 1 | #include "closure.h"
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| 2 |
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| 3 | void JpegClosure::init_destination(j_compress_ptr cinfo) {
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| 4 | JpegClosure* closure = (JpegClosure*)cinfo->client_data;
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| 5 | closure->vec.resize(PAGE_SIZE);
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| 6 | closure->jpeg_dest_mgr->next_output_byte = &closure->vec[0];
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| 7 | closure->jpeg_dest_mgr->free_in_buffer = closure->vec.size();
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| 8 | }
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| 9 |
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| 10 | boolean JpegClosure::empty_output_buffer(j_compress_ptr cinfo) {
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| 11 | JpegClosure* closure = (JpegClosure*)cinfo->client_data;
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| 12 | size_t currentSize = closure->vec.size();
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| 13 | closure->vec.resize(currentSize * 1.5);
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| 14 | closure->jpeg_dest_mgr->next_output_byte = &closure->vec[currentSize];
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| 15 | closure->jpeg_dest_mgr->free_in_buffer = closure->vec.size() - currentSize;
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| 16 | return true;
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| 17 | }
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| 18 |
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| 19 | void JpegClosure::term_destination(j_compress_ptr cinfo) {
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| 20 | JpegClosure* closure = (JpegClosure*)cinfo->client_data;
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| 21 | size_t finalSize = closure->vec.size() - closure->jpeg_dest_mgr->free_in_buffer;
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| 22 | closure->vec.resize(finalSize);
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| 23 | }
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