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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-1ad18e38974bb28c3d98d0be8f7d8c18fc56de29.tar.xz libreoffice-1ad18e38974bb28c3d98d0be8f7d8c18fc56de29.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx')
-rw-r--r-- | sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx b/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx new file mode 100644 index 000000000..2e7d2186f --- /dev/null +++ b/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx @@ -0,0 +1,309 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_SDEXT_SOURCE_PDFIMPORT_XPDFWRAPPER_PDFIOUTDEV_GPL_HXX +#define INCLUDED_SDEXT_SOURCE_PDFIMPORT_XPDFWRAPPER_PDFIOUTDEV_GPL_HXX + +#include <sal/types.h> +#include <config_poppler.h> + +#if defined __GNUC__ || defined __clang__ +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Wundef" +# pragma GCC diagnostic ignored "-Wunused-parameter" +#elif defined _MSC_VER +#pragma warning(push) +#pragma warning(disable : 4100) // unreferenced formal parameter +#pragma warning(disable : 4310) // cast truncates constant value +#endif + +#include <GfxState.h> +#include <GfxFont.h> +#include <UnicodeMap.h> +#include <Link.h> +#include <Object.h> +#include <OutputDev.h> +#include <GlobalParams.h> +#include <PDFDoc.h> + +#if defined __GNUC__ || defined __clang__ +# pragma GCC diagnostic pop +#elif defined _MSC_VER +#pragma warning(pop) +#endif + +#include <unordered_map> +#include <vector> +#include <memory> + +class GfxPath; +class GfxFont; +class PDFDoc; +#if HAVE_POPPLER_VERSION_H +#include <cpp/poppler-version.h> +#else +#define POPPLER_VERSION "0.12.3" +#define POPPLER_VERSION_MAJOR 0 +#define POPPLER_VERSION_MINOR 12 +#define POPPLER_VERSION_MICRO 3 +#endif +#define POPPLER_CHECK_VERSION(major,minor,micro) \ + (POPPLER_VERSION_MAJOR > (major) || \ + (POPPLER_VERSION_MAJOR == (major) && POPPLER_VERSION_MINOR > (minor)) || \ + (POPPLER_VERSION_MAJOR == (major) && POPPLER_VERSION_MINOR == (minor) && POPPLER_VERSION_MICRO >= (micro))) + +namespace pdfi +{ + struct FontAttributes + { + FontAttributes() : + familyName(), + isEmbedded(false), + isBold(false), + isItalic(false), + isUnderline(false), + size(0.0) + {} + + // xpdf goo stuff is so totally borked... + // ...need to hand-code assignment + FontAttributes( const FontAttributes& rSrc ) : + familyName(), + isEmbedded(rSrc.isEmbedded), + isBold(rSrc.isBold), + isItalic(rSrc.isItalic), + isUnderline(rSrc.isUnderline), + size(rSrc.size) + { + familyName.append(&rSrc.getFamilyName()); + } + + FontAttributes& operator=( const FontAttributes& rSrc ) + { + familyName.clear(); + familyName.append(&rSrc.getFamilyName()); + + isEmbedded = rSrc.isEmbedded; + isBold = rSrc.isBold; + isItalic = rSrc.isItalic; + isUnderline = rSrc.isUnderline; + size = rSrc.size; + + return *this; + } + + bool operator==(const FontAttributes& rFont) const + { + return getFamilyName().cmp(&rFont.getFamilyName())==0 && + isEmbedded == rFont.isEmbedded && + isBold == rFont.isBold && + isItalic == rFont.isItalic && + isUnderline == rFont.isUnderline && + size == rFont.size; + } + + GooString familyName; + bool isEmbedded; + bool isBold; + bool isItalic; + bool isUnderline; + double size; + + private: + // Work around const-ness issues in the GooString API: + GooString & getFamilyName() const + { return const_cast<GooString &>(familyName); } + }; + + // Versions before 0.15 defined GBool as int; 0.15 redefined it as bool; 0.71 dropped GBool +#if POPPLER_VERSION_MAJOR == 0 && POPPLER_VERSION_MINOR < 71 + typedef GBool poppler_bool; +#else + typedef bool poppler_bool; +#endif + + class PDFOutDev : public OutputDev + { + // not owned by this class + PDFDoc* m_pDoc; + mutable std::unordered_map< long long, + FontAttributes > m_aFontMap; + std::unique_ptr<UnicodeMap> m_pUtf8Map; + bool m_bSkipImages; + + int parseFont( long long nNewId, GfxFont* pFont, GfxState* state ) const; + void writeFontFile( GfxFont* gfxFont ) const; +#if POPPLER_CHECK_VERSION(0, 83, 0) + static void printPath( const GfxPath* pPath ); +#else + static void printPath( GfxPath* pPath ); +#endif + + public: + explicit PDFOutDev( PDFDoc* pDoc ); + virtual ~PDFOutDev() override; + + //----- get info about output device + + // Does this device use upside-down coordinates? + // (Upside-down means (0,0) is the top left corner of the page.) + virtual poppler_bool upsideDown() override { return true; } + + // Does this device use drawChar() or drawString()? + virtual poppler_bool useDrawChar() override { return true; } + + // Does this device use beginType3Char/endType3Char? Otherwise, + // text in Type 3 fonts will be drawn with drawChar/drawString. + virtual poppler_bool interpretType3Chars() override { return false; } + + // Does this device need non-text content? + virtual poppler_bool needNonText() override { return true; } + + //----- initialization and control + + // Set default transform matrix. +#if POPPLER_CHECK_VERSION(0, 71, 0) + virtual void setDefaultCTM(const double *ctm) override; +#else + virtual void setDefaultCTM(double *ctm) override; +#endif + + // Start a page. + virtual void startPage(int pageNum, GfxState *state +#if POPPLER_CHECK_VERSION(0, 23, 0) || POPPLER_CHECK_VERSION(0, 24, 0) + , XRef *xref +#endif + ) override; + + // End a page. + virtual void endPage() override; + + //----- link borders + #if POPPLER_CHECK_VERSION(0, 19, 0) + virtual void processLink(AnnotLink *link) override; + #elif POPPLER_CHECK_VERSION(0, 17, 0) + virtual void processLink(AnnotLink *link, Catalog *catalog) override; + #else + virtual void processLink(Link *link, Catalog *catalog) override; + #endif + + //----- save/restore graphics state + virtual void saveState(GfxState *state) override; + virtual void restoreState(GfxState *state) override; + + //----- update graphics state + virtual void updateCTM(GfxState *state, double m11, double m12, + double m21, double m22, double m31, double m32) override; + virtual void updateLineDash(GfxState *state) override; + virtual void updateFlatness(GfxState *state) override; + virtual void updateLineJoin(GfxState *state) override; + virtual void updateLineCap(GfxState *state) override; + virtual void updateMiterLimit(GfxState *state) override; + virtual void updateLineWidth(GfxState *state) override; + virtual void updateFillColor(GfxState *state) override; + virtual void updateStrokeColor(GfxState *state) override; + virtual void updateFillOpacity(GfxState *state) override; + virtual void updateStrokeOpacity(GfxState *state) override; + virtual void updateBlendMode(GfxState *state) override; + + //----- update text state + virtual void updateFont(GfxState *state) override; + virtual void updateRender(GfxState *state) override; + + //----- path painting + virtual void stroke(GfxState *state) override; + virtual void fill(GfxState *state) override; + virtual void eoFill(GfxState *state) override; + + //----- path clipping + virtual void clip(GfxState *state) override; + virtual void eoClip(GfxState *state) override; + + //----- text drawing +#if POPPLER_CHECK_VERSION(0, 82, 0) + virtual void drawChar(GfxState *state, double x, double y, + double dx, double dy, + double originX, double originY, + CharCode code, int nBytes, const Unicode *u, int uLen) override; +#else + virtual void drawChar(GfxState *state, double x, double y, + double dx, double dy, + double originX, double originY, + CharCode code, int nBytes, Unicode *u, int uLen) override; +#endif +#if POPPLER_CHECK_VERSION(0, 64, 0) + virtual void drawString(GfxState *state, const GooString *s) override; +#else + virtual void drawString(GfxState *state, GooString *s) override; +#endif + virtual void endTextObject(GfxState *state) override; + + //----- image drawing + virtual void drawImageMask(GfxState *state, Object *ref, Stream *str, + int width, int height, poppler_bool invert, + poppler_bool interpolate, + poppler_bool inlineImg) override; +#if POPPLER_CHECK_VERSION(0, 82, 0) + virtual void drawImage(GfxState *state, Object *ref, Stream *str, + int width, int height, GfxImageColorMap *colorMap, + poppler_bool interpolate, + const int* maskColors, poppler_bool inlineImg) override; +#else + virtual void drawImage(GfxState *state, Object *ref, Stream *str, + int width, int height, GfxImageColorMap *colorMap, + poppler_bool interpolate, + int* maskColors, poppler_bool inlineImg) override; +#endif + virtual void drawMaskedImage(GfxState *state, Object *ref, Stream *str, + int width, int height, + GfxImageColorMap *colorMap, + poppler_bool interpolate, + Stream *maskStr, int maskWidth, int maskHeight, + poppler_bool maskInvert, + poppler_bool maskInterpolate + ) override; + virtual void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str, + int width, int height, + GfxImageColorMap *colorMap, + poppler_bool interpolate, + Stream *maskStr, + int maskWidth, int maskHeight, + GfxImageColorMap *maskColorMap + , poppler_bool maskInterpolate + ) override; + + static void setPageNum( int nNumPages ); + void setSkipImages ( bool bSkipImages ); + }; +} + +extern FILE* g_binary_out; + +// note: if you ever change Output_t, please keep in mind that the current code +// relies on it being of 8 bit size +typedef unsigned char Output_t; +typedef std::vector< Output_t > OutputBuffer; + +#if !POPPLER_CHECK_VERSION(0, 73, 0) +static_assert(std::is_same_v<Guchar, unsigned char>, "unexpected typedef"); +#endif + +#endif // INCLUDED_SDEXT_SOURCE_PDFIMPORT_XPDFWRAPPER_PDFIOUTDEV_GPL_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |