C++ SPDocument::getWidth方法代码示例

/**
    \brief  This actually draws the grid.
    \param  module   The effect that was called (unused)
    \param  document What should be edited.
*/
void
Grid::effect (Inkscape::Extension::Effect *module, Inkscape::UI::View::View *document, Inkscape::Extension::Implementation::ImplementationDocumentCache * /*docCache*/)
{
    Inkscape::Selection * selection     = ((SPDesktop *)document)->selection;

    Geom::Rect bounding_area = Geom::Rect(Geom::Point(0,0), Geom::Point(100,100));
    if (selection->isEmpty()) {
        /* get page size */
        SPDocument * doc = document->doc();
        bounding_area = Geom::Rect(  Geom::Point(0,0),
                                     Geom::Point(doc->getWidth(), doc->getHeight())  );
    } else {
        Geom::OptRect bounds = selection->visualBounds();
        if (bounds) {
            bounding_area = *bounds;
        }

        gdouble doc_height  =  (document->doc())->getHeight();
        Geom::Rect temprec = Geom::Rect(Geom::Point(bounding_area.min()[Geom::X], doc_height - bounding_area.min()[Geom::Y]),
                                    Geom::Point(bounding_area.max()[Geom::X], doc_height - bounding_area.max()[Geom::Y]));

        bounding_area = temprec;
    }

    float spacings[2] = { module->get_param_float("xspacing"),
                          module->get_param_float("yspacing") };
    float line_width = module->get_param_float("lineWidth");
    float offsets[2] = { module->get_param_float("xoffset"),
                         module->get_param_float("yoffset") };

    Glib::ustring path_data("");

    path_data = build_lines(bounding_area,
                                 offsets, spacings);
    Inkscape::XML::Document * xml_doc = document->doc()->getReprDoc();

    //XML Tree being used directly here while it shouldn't be.
    Inkscape::XML::Node * current_layer = static_cast<SPDesktop *>(document)->currentLayer()->getRepr();
    Inkscape::XML::Node * path = xml_doc->createElement("svg:path");

    path->setAttribute("d", path_data.c_str());

    Glib::ustring style("fill:none;fill-opacity:0.75000000;fill-rule:evenodd;stroke:#000000;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1.0000000");
    style += ";stroke-width:";
    gchar floatstring[64];
    std::ostringstream stringstream;
    stringstream << line_width;
    sprintf(floatstring, "%s", stringstream.str().c_str());
    style += floatstring;
    style += "pt";
    path->setAttribute("style", style.c_str());

    current_layer->appendChild(path);
		Inkscape::GC::release(path);

    return;
}

SPDocument *VsdInput::open(Inkscape::Extension::Input * /*mod*/, const gchar * uri)
{
     RVNGFileStream input(uri);

     if (!libvisio::VisioDocument::isSupported(&input)) {
          return NULL;
     }

     RVNGStringVector output;
#if WITH_LIBVISIO01
     librevenge::RVNGSVGDrawingGenerator generator(output, "svg");

     if (!libvisio::VisioDocument::parse(&input, &generator)) {
#else
     if (!libvisio::VisioDocument::generateSVG(&input, output)) {
#endif
          return NULL;
     }

     if (output.empty()) {
          return NULL;
     }

     std::vector<RVNGString> tmpSVGOutput;
     for (unsigned i=0; i<output.size(); ++i) {
          RVNGString tmpString("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
          tmpString.append(output[i]);
          tmpSVGOutput.push_back(tmpString);
     }

     unsigned page_num = 1;

     // If only one page is present, import that one without bothering user
     if (tmpSVGOutput.size() > 1) {
          VsdImportDialog *dlg = 0;
          if (inkscape_use_gui()) {
               dlg = new VsdImportDialog(tmpSVGOutput);
               if (!dlg->showDialog()) {
                    delete dlg;
                    return NULL;
               }
          }

          // Get needed page
          if (dlg) {
               page_num = dlg->getSelectedPage();
               if (page_num < 1)
                    page_num = 1;
               if (page_num > tmpSVGOutput.size())
                    page_num = tmpSVGOutput.size();
          }
     }

     SPDocument * doc = SPDocument::createNewDocFromMem(tmpSVGOutput[page_num-1].cstr(), strlen(tmpSVGOutput[page_num-1].cstr()), TRUE);
     
     // Set viewBox if it doesn't exist
     if (!doc->getRoot()->viewBox_set) {
         doc->setViewBox(Geom::Rect::from_xywh(0, 0, doc->getWidth().value(doc->getDefaultUnit()), doc->getHeight().value(doc->getDefaultUnit())));
     }
     
     return doc;
}

#include "clear-n_.h"

void VsdInput::init(void)
{
    /* VSD */
     Inkscape::Extension::build_from_mem(
        "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
            "<name>" N_("VSD Input") "</name>\n"
            "<id>org.inkscape.input.vsd</id>\n"
            "<input>\n"
                "<extension>.vsd</extension>\n"
                "<mimetype>application/vnd.visio</mimetype>\n"
                "<filetypename>" N_("Microsoft Visio Diagram (*.vsd)") "</filetypename>\n"
                "<filetypetooltip>" N_("File format used by Microsoft Visio 6 and later") "</filetypetooltip>\n"
            "</input>\n"
        "</inkscape-extension>", new VsdInput());

     /* VDX */
     Inkscape::Extension::build_from_mem(
        "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
            "<name>" N_("VDX Input") "</name>\n"
            "<id>org.inkscape.input.vdx</id>\n"
            "<input>\n"
                "<extension>.vdx</extension>\n"
                "<mimetype>application/vnd.visio</mimetype>\n"
                "<filetypename>" N_("Microsoft Visio XML Diagram (*.vdx)") "</filetypename>\n"
                "<filetypetooltip>" N_("File format used by Microsoft Visio 2010 and later") "</filetypetooltip>\n"
            "</input>\n"
        "</inkscape-extension>", new VsdInput());

     /* VSDM */
     Inkscape::Extension::build_from_mem(
        "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
            "<name>" N_("VSDM Input") "</name>\n"
            "<id>org.inkscape.input.vsdm</id>\n"
            "<input>\n"
                "<extension>.vsdm</extension>\n"
//.........这里部分代码省略.........

//.........这里部分代码省略.........
            link = mod_link;
        }
        prefs->setString("/dialogs/import/link", link );
        if( forcexdpi != mod_forcexdpi ) {
            forcexdpi = mod_forcexdpi;
        }
        prefs->setBool("/dialogs/import/forcexdpi", forcexdpi );
        if( scale.compare( mod_scale ) != 0 ) {
            scale = mod_scale;
        }
        prefs->setString("/dialogs/import/scale", scale );
        prefs->setBool("/dialogs/import/ask", !mod->get_param_bool("do_not_ask") );
    }
    bool embed = ( link.compare( "embed" ) == 0 );

    SPDocument *doc = NULL;
    boost::scoped_ptr<Inkscape::Pixbuf> pb(Inkscape::Pixbuf::create_from_file(uri));

    // TODO: the pixbuf is created again from the base64-encoded attribute in SPImage.
    // Find a way to create the pixbuf only once.

    if (pb) {
        doc = SPDocument::createNewDoc(NULL, TRUE, TRUE);
        bool saved = DocumentUndo::getUndoSensitive(doc);
        DocumentUndo::setUndoSensitive(doc, false); // no need to undo in this temporary document

        double width = pb->width();
        double height = pb->height();
        double defaultxdpi = prefs->getDouble("/dialogs/import/defaultxdpi/value", Inkscape::Util::Quantity::convert(1, "in", "px"));
        //bool forcexdpi = prefs->getBool("/dialogs/import/forcexdpi");
        ImageResolution *ir = 0;
        double xscale = 1;
        double yscale = 1;


        if (!ir && !forcexdpi) {
            ir = new ImageResolution(uri);
        }
        if (ir && ir->ok()) {
            xscale = 900.0 / floor(10.*ir->x() + .5);  // round-off to 0.1 dpi
            yscale = 900.0 / floor(10.*ir->y() + .5);
        } else {
            xscale = 90.0 / defaultxdpi;
            yscale = 90.0 / defaultxdpi;
        }

        width *= xscale;
        height *= yscale;

        delete ir; // deleting NULL is safe

        // Create image node
        Inkscape::XML::Document *xml_doc = doc->getReprDoc();
        Inkscape::XML::Node *image_node = xml_doc->createElement("svg:image");
        sp_repr_set_svg_double(image_node, "width", width);
        sp_repr_set_svg_double(image_node, "height", height);

        // Added 11 Feb 2014 as we now honor "preserveAspectRatio" and this is
        // what Inkscaper's expect.
        image_node->setAttribute("preserveAspectRatio", "none");

        if( scale.compare( "auto" ) != 0 ) {
            SPCSSAttr *css = sp_repr_css_attr_new();
            sp_repr_css_set_property(css, "image-rendering", scale.c_str());
            sp_repr_css_set(image_node, css, "style");
            sp_repr_css_attr_unref( css );
        }

        if (embed) {
            sp_embed_image(image_node, pb.get());
        } else {
            // convert filename to uri
            gchar* _uri = g_filename_to_uri(uri, NULL, NULL);
            if(_uri) {
                image_node->setAttribute("xlink:href", _uri);
                g_free(_uri);
            } else {
                image_node->setAttribute("xlink:href", uri);
            }
        }

        // Add it to the current layer
        doc->getRoot()->appendChildRepr(image_node);
        Inkscape::GC::release(image_node);
        fit_canvas_to_drawing(doc);

        // Set viewBox if it doesn't exist
        if (!doc->getRoot()->viewBox_set) {
            //std::cout << "Viewbox not set, setting" << std::endl;
            doc->setViewBox(Geom::Rect::from_xywh(0, 0, doc->getWidth().value(doc->getDefaultUnit()), doc->getHeight().value(doc->getDefaultUnit())));
        }

        // restore undo, as now this document may be shown to the user if a bitmap was opened
        DocumentUndo::setUndoSensitive(doc, saved);
    } else {
        printf("GdkPixbuf loader failed\n");
    }

    return doc;
}

SPDocument *CdrInput::open(Inkscape::Extension::Input * /*mod*/, const gchar * uri)
{
     RVNGFileStream input(uri);

     if (!libcdr::CDRDocument::isSupported(&input)) {
          return NULL;
     }

     RVNGStringVector output;
#if WITH_LIBCDR01
     librevenge::RVNGSVGDrawingGenerator generator(output, "svg");

     if (!libcdr::CDRDocument::parse(&input, &generator)) {
#else
     if (!libcdr::CDRDocument::generateSVG(&input, output)) {
#endif
          return NULL;
     }

     if (output.empty()) {
          return NULL;
     }

     std::vector<RVNGString> tmpSVGOutput;
     for (unsigned i=0; i<output.size(); ++i) {
          RVNGString tmpString("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
          tmpString.append(output[i]);
          tmpSVGOutput.push_back(tmpString);
     }

     unsigned page_num = 1;

     // If only one page is present, import that one without bothering user
     if (tmpSVGOutput.size() > 1) {
          CdrImportDialog *dlg = 0;
          if (inkscape_use_gui()) {
               dlg = new CdrImportDialog(tmpSVGOutput);
               if (!dlg->showDialog()) {
                    delete dlg;
                    return NULL;
               }
          }

          // Get needed page
          if (dlg) {
               page_num = dlg->getSelectedPage();
               if (page_num < 1)
                    page_num = 1;
               if (page_num > tmpSVGOutput.size())
                    page_num = tmpSVGOutput.size();
          }
     }

     SPDocument * doc = SPDocument::createNewDocFromMem(tmpSVGOutput[page_num-1].cstr(), strlen(tmpSVGOutput[page_num-1].cstr()), TRUE);

     // Set viewBox if it doesn't exist
     if (doc && !doc->getRoot()->viewBox_set) {
         doc->setViewBox(Geom::Rect::from_xywh(0, 0, doc->getWidth().value(doc->getDefaultUnit()), doc->getHeight().value(doc->getDefaultUnit())));
     }
     return doc;
}

#include "clear-n_.h"

void CdrInput::init(void)
{
    /* CDR */
     Inkscape::Extension::build_from_mem(
        "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
            "<name>" N_("Corel DRAW Input") "</name>\n"
            "<id>org.inkscape.input.cdr</id>\n"
            "<input>\n"
                "<extension>.cdr</extension>\n"
                "<mimetype>image/x-xcdr</mimetype>\n"
                "<filetypename>" N_("Corel DRAW 7-X4 files (*.cdr)") "</filetypename>\n"
                "<filetypetooltip>" N_("Open files saved in Corel DRAW 7-X4") "</filetypetooltip>\n"
            "</input>\n"
        "</inkscape-extension>", new CdrInput());

    /* CDT */
     Inkscape::Extension::build_from_mem(
        "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
            "<name>" N_("Corel DRAW templates input") "</name>\n"
            "<id>org.inkscape.input.cdt</id>\n"
            "<input>\n"
                "<extension>.cdt</extension>\n"
                "<mimetype>application/x-xcdt</mimetype>\n"
                "<filetypename>" N_("Corel DRAW 7-13 template files (*.cdt)") "</filetypename>\n"
                "<filetypetooltip>" N_("Open files saved in Corel DRAW 7-13") "</filetypetooltip>\n"
            "</input>\n"
        "</inkscape-extension>", new CdrInput());

    /* CCX */
     Inkscape::Extension::build_from_mem(
        "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
            "<name>" N_("Corel DRAW Compressed Exchange files input") "</name>\n"
            "<id>org.inkscape.input.ccx</id>\n"
            "<input>\n"
                "<extension>.ccx</extension>\n"
                "<mimetype>application/x-xccx</mimetype>\n"
//.........这里部分代码省略.........