diff options
Diffstat (limited to 'src/sp-root.cpp')
| -rw-r--r-- | src/sp-root.cpp | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/src/sp-root.cpp b/src/sp-root.cpp deleted file mode 100644 index 3f31588cc..000000000 --- a/src/sp-root.cpp +++ /dev/null @@ -1,393 +0,0 @@ -/** \file - * SVG \<svg\> implementation. - */ -/* - * Authors: - * Lauris Kaplinski <lauris@kaplinski.com> - * Jon A. Cruz <jon@joncruz.org> - * Abhishek Sharma - * - * Copyright (C) 1999-2002 Lauris Kaplinski - * Copyright (C) 2000-2001 Ximian, Inc. - * - * Released under GNU GPL, read the file 'COPYING' for more information - */ - -#include <string> -#include <2geom/transforms.h> - -#include "attributes.h" -#include "print.h" -#include "document.h" -#include "inkscape-version.h" -#include "sp-defs.h" -#include "sp-root.h" -#include "display/drawing-group.h" -#include "svg/stringstream.h" -#include "svg/svg.h" -#include "xml/repr.h" -#include "util/units.h" - -SPRoot::SPRoot() : SPGroup(), SPViewBox() -{ - this->onload = NULL; - - static Inkscape::Version const zero_version(0, 0); - - sp_version_from_string(SVG_VERSION, &this->original.svg); - this->version.svg = zero_version; - this->original.svg = zero_version; - this->version.inkscape = zero_version; - this->original.inkscape = zero_version; - - this->unset_x_and_y(); - this->width.unset(SVGLength::PERCENT, 1.0, 1.0); - this->height.unset(SVGLength::PERCENT, 1.0, 1.0); - - this->defs = NULL; -} - -SPRoot::~SPRoot() -{ -} - -void SPRoot::unset_x_and_y() -{ - this->x.unset(SVGLength::PERCENT, 0.0, 0.0); // Ignored for root SVG element - this->y.unset(SVGLength::PERCENT, 0.0, 0.0); -} - -void SPRoot::build(SPDocument *document, Inkscape::XML::Node *repr) -{ - //XML Tree being used directly here while it shouldn't be. - if (!this->getRepr()->attribute("version")) { - repr->setAttribute("version", SVG_VERSION); - } - - this->readAttr("version"); - this->readAttr("inkscape:version"); - /* It is important to parse these here, so objects will have viewport build-time */ - this->readAttr("x"); - this->readAttr("y"); - this->readAttr("width"); - this->readAttr("height"); - this->readAttr("viewBox"); - this->readAttr("preserveAspectRatio"); - this->readAttr("onload"); - - SPGroup::build(document, repr); - - // Search for first <defs> node - for (auto& o: children) { - if (SP_IS_DEFS(&o)) { - this->defs = SP_DEFS(&o); - break; - } - } - - // clear transform, if any was read in - SVG does not allow transform= on <svg> - SP_ITEM(this)->transform = Geom::identity(); -} - -void SPRoot::release() -{ - this->defs = NULL; - - SPGroup::release(); -} - - -void SPRoot::set(unsigned int key, const gchar *value) -{ - switch (key) { - case SP_ATTR_VERSION: - if (!sp_version_from_string(value, &this->version.svg)) { - this->version.svg = this->original.svg; - } - break; - - case SP_ATTR_INKSCAPE_VERSION: - if (!sp_version_from_string(value, &this->version.inkscape)) { - this->version.inkscape = this->original.inkscape; - } - break; - - case SP_ATTR_X: - /* Valid for non-root SVG elements; ex, em not handled correctly. */ - if (!this->x.read(value)) { - this->x.unset(SVGLength::PERCENT, 0.0, 0.0); - } - - /* fixme: I am almost sure these do not require viewport flag (Lauris) */ - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG); - break; - - case SP_ATTR_Y: - /* Valid for non-root SVG elements; ex, em not handled correctly. */ - if (!this->y.read(value)) { - this->y.unset(SVGLength::PERCENT, 0.0, 0.0); - } - - /* fixme: I am almost sure these do not require viewport flag (Lauris) */ - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG); - break; - - case SP_ATTR_WIDTH: - if (!this->width.read(value) || !(this->width.computed > 0.0)) { - this->width.unset(SVGLength::PERCENT, 1.0, 1.0); - } - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG); - break; - - case SP_ATTR_HEIGHT: - if (!this->height.read(value) || !(this->height.computed > 0.0)) { - this->height.unset(SVGLength::PERCENT, 1.0, 1.0); - } - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG); - break; - - case SP_ATTR_VIEWBOX: - set_viewBox( value ); - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG); - break; - - case SP_ATTR_PRESERVEASPECTRATIO: - set_preserveAspectRatio( value ); - this->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_VIEWPORT_MODIFIED_FLAG); - break; - - case SP_ATTR_ONLOAD: - this->onload = (char *) value; - break; - - default: - /* Pass the set event to the parent */ - SPGroup::set(key, value); - break; - } -} - -void SPRoot::child_added(Inkscape::XML::Node *child, Inkscape::XML::Node *ref) -{ - SPGroup::child_added(child, ref); - - SPObject *co = this->document->getObjectByRepr(child); - // NOTE: some XML nodes do not have corresponding SP objects, - // for instance inkscape:clipboard used in the clipboard code. - // See LP bug #1227827 - //g_assert (co != NULL || !strcmp("comment", child->name())); // comment repr node has no object - - if (co && SP_IS_DEFS(co)) { - // We search for first <defs> node - it is not beautiful, but works - for (auto& c: children) { - if (SP_IS_DEFS(&c)) { - this->defs = SP_DEFS(&c); - break; - } - } - } -} - -void SPRoot::remove_child(Inkscape::XML::Node *child) -{ - if (this->defs && (this->defs->getRepr() == child)) { - SPObject *iter = 0; - - // We search for first remaining <defs> node - it is not beautiful, but works - for (auto& child: children) { - iter = &child; - if (SP_IS_DEFS(iter) && (SPDefs *)iter != this->defs) { - this->defs = (SPDefs *)iter; - break; - } - } - - if (!iter) { - /* we should probably create a new <defs> here? */ - this->defs = NULL; - } - } - - SPGroup::remove_child(child); -} - -void SPRoot::setRootDimensions() -{ - /* - * This is the root SVG element: - * - * x, y, width, and height apply to positioning the SVG element inside a parent. - * For the root SVG in Inkscape there is no parent, thus special rules apply: - * If width, height not set, width = 100%, height = 100% (as always). - * If width and height are in percent, they are percent of viewBox width/height. - * If width, height, and viewBox are not set... pick "random" width/height. - * x, y are ignored. - * initial viewport = (0 0 width height) - */ - if( this->viewBox_set ) { - - if( this->width._set ) { - // Check if this is necessary - if (this->width.unit == SVGLength::PERCENT) { - this->width.computed = this->width.value * this->viewBox.width(); - } - } else { - this->width.set( SVGLength::PX, this->viewBox.width(), this->viewBox.width() ); - } - - if( this->height._set ) { - if (this->height.unit == SVGLength::PERCENT) { - this->height.computed = this->height.value * this->viewBox.height(); - } - } else { - this->height.set(SVGLength::PX, this->viewBox.height(), this->viewBox.height() ); - } - - } else { - - if( !this->width._set || this->width.unit == SVGLength::PERCENT) { - this->width.set( SVGLength::PX, 300, 300 ); // CSS/SVG default - } - - if( !this->height._set || this->height.unit == SVGLength::PERCENT) { - this->height.set( SVGLength::PX, 150, 150 ); // CSS/SVG default - } - } - - // Ignore x, y values for root element - this->unset_x_and_y(); -} - -void SPRoot::update(SPCtx *ctx, guint flags) -{ - SPItemCtx const *ictx = (SPItemCtx const *) ctx; - - if( !this->parent ) { - this->setRootDimensions(); - } - - // Calculate x, y, width, height from parent/initial viewport - this->calcDimsFromParentViewport(ictx); - - // std::cout << "SPRoot::update: final:" - // << " x: " << x.computed - // << " y: " << y.computed - // << " width: " << width.computed - // << " height: " << height.computed << std::endl; - - // Calculate new viewport - SPItemCtx rctx = *ictx; - rctx.viewport = Geom::Rect::from_xywh( this->x.computed, this->y.computed, - this->width.computed, this->height.computed ); - rctx = get_rctx( &rctx, Inkscape::Util::Quantity::convert(1, this->document->getDisplayUnit(), "px") ); - - /* And invoke parent method */ - SPGroup::update((SPCtx *) &rctx, flags); - - /* As last step set additional transform of drawing group */ - for (SPItemView *v = this->display; v != NULL; v = v->next) { - Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(v->arenaitem); - g->setChildTransform(this->c2p); - } -} - -void SPRoot::modified(unsigned int flags) -{ - SPGroup::modified(flags); - - /* fixme: (Lauris) */ - if (!this->parent && (flags & SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) { - this->document->emitResizedSignal(this->width.computed, this->height.computed); - } -} - - -Inkscape::XML::Node *SPRoot::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) -{ - if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) { - repr = xml_doc->createElement("svg:svg"); - } - - /* Only update version string on successful write to file. This is handled by 'file_save()'. - * if (flags & SP_OBJECT_WRITE_EXT) { - * repr->setAttribute("inkscape:version", Inkscape::version_string); - * } - */ - - if (!repr->attribute("version")) { - gchar *myversion = sp_version_to_string(this->version.svg); - repr->setAttribute("version", myversion); - g_free(myversion); - } - - if (fabs(this->x.computed) > 1e-9) { - sp_repr_set_svg_double(repr, "x", this->x.computed); - } - - if (fabs(this->y.computed) > 1e-9) { - sp_repr_set_svg_double(repr, "y", this->y.computed); - } - - /* Unlike all other SPObject, here we want to preserve absolute units too (and only here, - * according to the recommendation in http://www.w3.org/TR/SVG11/coords.html#Units). - */ - repr->setAttribute("width", sp_svg_length_write_with_units(this->width).c_str()); - repr->setAttribute("height", sp_svg_length_write_with_units(this->height).c_str()); - - if (this->viewBox_set) { - Inkscape::SVGOStringStream os; - os << this->viewBox.left() << " " << this->viewBox.top() << " " - << this->viewBox.width() << " " << this->viewBox.height(); - - repr->setAttribute("viewBox", os.str().c_str()); - } - - SPGroup::write(xml_doc, repr, flags); - - return repr; -} - -Inkscape::DrawingItem *SPRoot::show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags) -{ - Inkscape::DrawingItem *ai = SPGroup::show(drawing, key, flags); - - if (ai) { - Inkscape::DrawingGroup *g = dynamic_cast<Inkscape::DrawingGroup *>(ai); - g->setChildTransform(this->c2p); - } - - // Uncomment to print out XML tree - // getRepr()->recursivePrintTree(0); - - // Uncomment to print out SP Object tree - // recursivePrintTree(0); - - // Uncomment to print out Display Item tree - // ai->recursivePrintTree(0); - - return ai; -} - -void SPRoot::print(SPPrintContext *ctx) -{ - sp_print_bind(ctx, this->c2p, 1.0); - - SPGroup::print(ctx); - - sp_print_release(ctx); -} - -const char *SPRoot::displayName() const { - return "SVG"; // Do not translate -} - -/* - Local Variables: - mode:c++ - c-file-style:"stroustrup" - c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) - indent-tabs-mode:nil - fill-column:99 - End: -*/ -// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |