[core] Remove unused
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@@ -145,8 +145,10 @@ unsigned JpegReader<T>::height() const
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}
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template <typename T>
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void JpegReader<T>::read(unsigned x0, unsigned y0, unsigned w, unsigned h, uint8_t* image)
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std::unique_ptr<uint8_t[]> JpegReader<T>::read()
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{
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std::unique_ptr<uint8_t[]> image = std::make_unique<uint8_t[]>(width_ * height_ * 4);
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stream_.clear();
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stream_.seekg(0, std::ios_base::beg);
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@@ -167,19 +169,16 @@ void JpegReader<T>::read(unsigned x0, unsigned y0, unsigned w, unsigned h, uint8
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row_stride = cinfo.output_width * cinfo.output_components;
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buffer = (*cinfo.mem->alloc_sarray) ((j_common_ptr) &cinfo, JPOOL_IMAGE, row_stride, 1);
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w = std::min(w,width_ - x0);
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h = std::min(h,height_ - y0);
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const std::unique_ptr<unsigned int[]> out_row(new unsigned int[w]);
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const std::unique_ptr<unsigned int[]> out_row(new unsigned int[width_]);
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unsigned row = 0;
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while (cinfo.output_scanline < cinfo.output_height)
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{
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jpeg_read_scanlines(&cinfo, buffer, 1);
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if (row >= y0 && row < y0 + h)
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if (row < height_)
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{
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for (unsigned int x = 0; x < w; ++x)
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for (unsigned int x = 0; x < width_; ++x)
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{
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unsigned col = x + x0;
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unsigned col = x;
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r = buffer[0][cinfo.output_components * col];
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if (cinfo.output_components > 2)
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{
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@@ -191,11 +190,13 @@ void JpegReader<T>::read(unsigned x0, unsigned y0, unsigned w, unsigned h, uint8
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}
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out_row[x] = (0xff << 24) | (b << 16) | (g << 8) | r;
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}
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std::copy((char*)out_row.get(), (char*)out_row.get() + w*4, image + (row - y0)*width_*4);
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std::copy((char*)out_row.get(), (char*)out_row.get() + width_*4, image.get() + row*width_*4);
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}
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++row;
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}
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jpeg_finish_decompress(&cinfo);
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return image;
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}
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template class JpegReader<boost::iostreams::array_source>;
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