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| -rw-r--r-- | src/extension/internal/odf.h | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/src/extension/internal/odf.h b/src/extension/internal/odf.h new file mode 100644 index 0000000..236687d --- /dev/null +++ b/src/extension/internal/odf.h @@ -0,0 +1,329 @@ +// SPDX-License-Identifier: LGPL-2.1-or-later +/** @file + * OpenDocument (drawing) input and output + *//* + * Authors: + * Bob Jamison + * Abhishek Sharma + * + * Copyright (C) 2018 Authors + * Released under GNU LGPL v2.1+, read the file 'COPYING' for more information. + */ + +#ifndef EXTENSION_INTERNAL_ODG_OUT_H +#define EXTENSION_INTERNAL_ODG_OUT_H + +#include <util/ziptool.h> + +#include "extension/implementation/implementation.h" + +#include <xml/repr.h> +#include <string> +#include <map> + +#include "object/uri.h" +class SPItem; + +#include <glibmm/ustring.h> + +namespace Inkscape +{ +namespace Extension +{ +namespace Internal +{ + +typedef Inkscape::IO::Writer Writer; + +class StyleInfo +{ +public: + + StyleInfo() + { + init(); + } + + StyleInfo(const StyleInfo &other) + { + assign(other); + } + + StyleInfo &operator=(const StyleInfo &other) + { + assign(other); + return *this; + } + + void assign(const StyleInfo &other) + { + name = other.name; + stroke = other.stroke; + strokeColor = other.strokeColor; + strokeWidth = other.strokeWidth; + strokeOpacity = other.strokeOpacity; + fill = other.fill; + fillColor = other.fillColor; + fillOpacity = other.fillOpacity; + } + + void init() + { + name = "none"; + stroke = "none"; + strokeColor = "none"; + strokeWidth = "none"; + strokeOpacity = "none"; + fill = "none"; + fillColor = "none"; + fillOpacity = "none"; + } + + virtual ~StyleInfo() + = default; + + //used for eliminating duplicates in the styleTable + bool equals(const StyleInfo &other) + { + if ( + stroke != other.stroke || + strokeColor != other.strokeColor || + strokeWidth != other.strokeWidth || + strokeOpacity != other.strokeOpacity || + fill != other.fill || + fillColor != other.fillColor || + fillOpacity != other.fillOpacity + ) + return false; + return true; + } + + Glib::ustring name; + Glib::ustring stroke; + Glib::ustring strokeColor; + Glib::ustring strokeWidth; + Glib::ustring strokeOpacity; + Glib::ustring fill; + Glib::ustring fillColor; + Glib::ustring fillOpacity; + +}; + + + + +class GradientStop +{ +public: + GradientStop() : rgb(0), opacity(0) + {} + GradientStop(unsigned long rgbArg, double opacityArg) + { rgb = rgbArg; opacity = opacityArg; } + virtual ~GradientStop() + = default; + GradientStop(const GradientStop &other) + { assign(other); } + virtual GradientStop& operator=(const GradientStop &other) + { assign(other); return *this; } + void assign(const GradientStop &other) + { + rgb = other.rgb; + opacity = other.opacity; + } + unsigned long rgb; + double opacity; +}; + + + +class GradientInfo +{ +public: + + GradientInfo() + { + init(); + } + + GradientInfo(const GradientInfo &other) + { + assign(other); + } + + GradientInfo &operator=(const GradientInfo &other) + { + assign(other); + return *this; + } + + void assign(const GradientInfo &other) + { + name = other.name; + style = other.style; + cx = other.cx; + cy = other.cy; + fx = other.fx; + fy = other.fy; + r = other.r; + x1 = other.x1; + y1 = other.y1; + x2 = other.x2; + y2 = other.y2; + stops = other.stops; + } + + void init() + { + name = "none"; + style = "none"; + cx = 0.0; + cy = 0.0; + fx = 0.0; + fy = 0.0; + r = 0.0; + x1 = 0.0; + y1 = 0.0; + x2 = 0.0; + y2 = 0.0; + stops.clear(); + } + + virtual ~GradientInfo() + = default; + + //used for eliminating duplicates in the styleTable + bool equals(const GradientInfo &other) + { + if ( + name != other.name || + style != other.style || + cx != other.cx || + cy != other.cy || + fx != other.fx || + fy != other.fy || + r != other.r || + x1 != other.x1 || + y1 != other.y1 || + x2 != other.x2 || + y2 != other.y2 + ) + return false; + if (stops.size() != other.stops.size()) + return false; + for (unsigned int i=0 ; i<stops.size() ; i++) + { + GradientStop g1 = stops[i]; + GradientStop g2 = other.stops[i]; + if (g1.rgb != g2.rgb) + return false; + if (g1.opacity != g2.opacity) + return false; + } + return true; + } + + Glib::ustring name; + Glib::ustring style; + double cx; + double cy; + double fx; + double fy; + double r; + double x1; + double y1; + double x2; + double y2; + std::vector<GradientStop> stops; + +}; + + + +/** + * OpenDocument <drawing> input and output + * + * This is an an entry in the extensions mechanism to begin to enable + * the inputting and outputting of OpenDocument Format (ODF) files from + * within Inkscape. Although the initial implementations will be very lossy + * do to the differences in the models of SVG and ODF, they will hopefully + * improve greatly with time. + * + * http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/idl-definitions.html + */ +class OdfOutput : public Inkscape::Extension::Implementation::Implementation +{ + +public: + + bool check (Inkscape::Extension::Extension * module) override; + + void save (Inkscape::Extension::Output *mod, + SPDocument *doc, + gchar const *filename) override; + + static void init (); + +private: + + std::string docBaseUri; + + void reset(); + + //cc or dc metadata name/value pairs + std::map<Glib::ustring, Glib::ustring> metadata; + + /* Style table + Uses a two-stage lookup to avoid style duplication. + Use like: + StyleInfo si = styleTable[styleLookupTable[id]]; + but check for errors, of course + */ + //element id -> style entry name + std::map<Glib::ustring, Glib::ustring> styleLookupTable; + //style entry name -> style info + std::vector<StyleInfo> styleTable; + + //element id -> gradient entry name + std::map<Glib::ustring, Glib::ustring> gradientLookupTable; + //gradient entry name -> gradient info + std::vector<GradientInfo> gradientTable; + + //for renaming image file names + std::map<Glib::ustring, Glib::ustring> imageTable; + + void preprocess(ZipFile &zf, SPDocument *doc, Inkscape::XML::Node *node); + + bool writeManifest(ZipFile &zf); + + bool writeMeta(ZipFile &zf); + + bool writeStyle(ZipFile &zf); + + bool processStyle(SPItem *item, const Glib::ustring &id, const Glib::ustring &gradientNameFill, const Glib::ustring &gradientNameStroke, Glib::ustring& output); + + bool processGradient(SPItem *item, + const Glib::ustring &id, Geom::Affine &tf, Glib::ustring& gradientName, Glib::ustring& output, bool checkFillGradient = true); + + bool writeStyleHeader(Writer &outs); + + bool writeStyleFooter(Writer &outs); + + bool writeContentHeader(Writer &outs); + + bool writeContentFooter(Writer &outs); + + bool writeTree(Writer &couts, Writer &souts, SPDocument *doc, Inkscape::XML::Node *node); + + bool writeContent(ZipFile &zf, SPDocument *doc); + +}; + + +} //namespace Internal +} //namespace Extension +} //namespace Inkscape + + + +#endif /* EXTENSION_INTERNAL_ODG_OUT_H */ + |