From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- include/vcl/pdfread.hxx | 107 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 include/vcl/pdfread.hxx (limited to 'include/vcl/pdfread.hxx') diff --git a/include/vcl/pdfread.hxx b/include/vcl/pdfread.hxx new file mode 100644 index 000000000..72508a548 --- /dev/null +++ b/include/vcl/pdfread.hxx @@ -0,0 +1,107 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#ifndef INCLUDED_VCL_SOURCE_FILTER_IPDF_PDFREAD_HXX +#define INCLUDED_VCL_SOURCE_FILTER_IPDF_PDFREAD_HXX + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +namespace com::sun::star::uno +{ +template class Sequence; +} +class Bitmap; + +namespace vcl +{ +/// Fills the rBitmaps vector with rendered pages. +VCL_DLLPUBLIC size_t RenderPDFBitmaps(const void* pBuffer, int nSize, + std::vector& rBitmaps, size_t nFirstPage = 0, + int nPages = 1, const basegfx::B2DTuple* pSizeHint = nullptr); + +/// Imports a PDF stream as a VectorGraphicData. +VCL_DLLPUBLIC bool +importPdfVectorGraphicData(SvStream& rStream, + std::shared_ptr& rVectorGraphicData); + +/// Imports a PDF stream into rGraphic. +VCL_DLLPUBLIC bool ImportPDF(SvStream& rStream, Graphic& rGraphic); + +// When inserting a PDF file as an image or pasting PDF data from the clipboard, at least on a +// Retina iMac, the resulting rendered image does not look sharp without this surprisingly large +// extra scaling factor. Exact reasons unknown. And it isn't enough to have it be just 2 (which is +// the actual Retina factor on my iMac). Possibly the fuzziness is related to what Pdfium uses to +// render text. + +// Also, look at CountDPIScaleFactor() in vcl/source/window/window.cxx. The GetDPIScaleFactor() API +// lies on macOS even more than it does on other platforms, it claims that the DPI scale factor is +// always 1. But in fact most Macs nowadays have a HiDPI ("Retina") display. But we can't just "fix" +// things by making GetDPIScaleFactor() always return 2 on macOS, even if that wouldn't be any more +// wrong, because that then causes other regressions that I have no time to look into now. + +#ifdef MACOSX +constexpr int PDF_INSERT_MAGIC_SCALE_FACTOR = 8; +#else +constexpr int PDF_INSERT_MAGIC_SCALE_FACTOR = 1; +#endif + +struct PDFGraphicAnnotation +{ + OUString maAuthor; + OUString maText; + + basegfx::B2DRectangle maRectangle; // In HMM + css::util::DateTime maDateTime; + + Color maColor; + + pdf::PDFAnnotationSubType meSubType; + std::shared_ptr mpMarker; +}; + +class PDFGraphicResult +{ + Graphic maGraphic; + // Size in HMM + Size maSize; + + std::vector maAnnotations; + +public: + PDFGraphicResult(Graphic aGraphic, Size const& rSize, + std::vector aAnnotations) + : maGraphic(std::move(aGraphic)) + , maSize(rSize) + , maAnnotations(std::move(aAnnotations)) + { + } + + const Graphic& GetGraphic() const { return maGraphic; } + const Size& GetSize() const { return maSize; } + const std::vector& GetAnnotations() const { return maAnnotations; } +}; + +/// Import PDF as Graphic images (1 per page), but not loaded yet. +/// Returns the number of pages read. +VCL_DLLPUBLIC size_t ImportPDFUnloaded(const OUString& rURL, + std::vector& rGraphics); +} + +#endif // INCLUDED_VCL_SOURCE_FILTER_IPDF_PDFREAD_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3