chromium/chrome/services/printing/pdf_nup_converter.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/services/printing/pdf_nup_converter.h"

#include <string>
#include <utility>

#include "base/containers/span.h"
#include "components/crash/core/common/crash_key.h"
#include "pdf/pdf.h"

namespace printing {

namespace {

// |pdf_mappings| which has the pdf page data needs to remain valid until
// ConvertPdfPagesToNupPdf completes, since base::span is a reference type.
std::vector<base::span<const uint8_t>> CreatePdfPagesVector(
    const std::vector<base::ReadOnlySharedMemoryRegion>& pdf_page_regions,
    std::vector<base::ReadOnlySharedMemoryMapping>* pdf_mappings) { … }

template <class Callback>
void RunCallbackWithConversionResult(Callback callback,
                                     const std::vector<uint8_t>& buffer) { … }

}  // namespace

PdfNupConverter::PdfNupConverter() = default;

PdfNupConverter::~PdfNupConverter() { … }

void PdfNupConverter::NupPageConvert(
    uint32_t pages_per_sheet,
    const gfx::Size& page_size,
    const gfx::Rect& printable_area,
    std::vector<base::ReadOnlySharedMemoryRegion> pdf_page_regions,
    NupPageConvertCallback callback) { … }

void PdfNupConverter::NupDocumentConvert(
    uint32_t pages_per_sheet,
    const gfx::Size& page_size,
    const gfx::Rect& printable_area,
    base::ReadOnlySharedMemoryRegion src_pdf_region,
    NupDocumentConvertCallback callback) { … }

void PdfNupConverter::SetWebContentsURL(const GURL& url) { … }

void PdfNupConverter::SetUseSkiaRendererPolicy(bool use_skia) { … }

}  // namespace printing