--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file savecanvas.cpp
+** \brief Writeme
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007, 2008 Chris Moore
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifdef HAVE_SYS_ERRNO_H
+# include <sys/errno.h>
+#endif
+
+#include "savecanvas.h"
+#include "general.h"
+#include "valuenode.h"
+#include "valuenode_subtract.h"
+#include "valuenode_animated.h"
+#include "valuenode_composite.h"
+#include "valuenode_const.h"
+#include "valuenode_linear.h"
+#include "valuenode_dynamiclist.h"
+#include "valuenode_reference.h"
+#include "valuenode_segcalctangent.h"
+#include "valuenode_segcalcvertex.h"
+#include "valuenode_bline.h"
+#include "time.h"
+#include "keyframe.h"
+#include "layer.h"
+#include "string.h"
+#include "paramdesc.h"
+
+#include <libxml++/libxml++.h>
+#include <ETL/stringf>
+#include "gradient.h"
+#include <errno.h>
+
+extern "C" {
+#include <libxml/tree.h>
+}
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+
+/* === M A C R O S ========================================================= */
+
+#define COLOR_VALUE_TYPE_FORMAT "%f"
+#define VECTOR_VALUE_TYPE_FORMAT "%0.10f"
+#define TIME_TYPE_FORMAT "%0.3f"
+#define VIEW_BOX_FORMAT "%f %f %f %f"
+
+/* === G L O B A L S ======================================================= */
+
+ReleaseVersion save_canvas_version = ReleaseVersion(RELEASE_VERSION_END-1);
+int valuenode_too_new_count;
+
+/* === P R O C E D U R E S ================================================= */
+
+xmlpp::Element* encode_canvas(xmlpp::Element* root,Canvas::ConstHandle canvas);
+xmlpp::Element* encode_value_node(xmlpp::Element* root,ValueNode::ConstHandle value_node,Canvas::ConstHandle canvas);
+
+xmlpp::Element* encode_keyframe(xmlpp::Element* root,const Keyframe &kf, float fps)
+{
+ root->set_name("keyframe");
+ root->set_attribute("time",kf.get_time().get_string(fps));
+ if(!kf.get_description().empty())
+ root->set_child_text(kf.get_description());
+ return root;
+}
+
+
+xmlpp::Element* encode_real(xmlpp::Element* root,Real v)
+{
+ root->set_name("real");
+ root->set_attribute("value",strprintf(VECTOR_VALUE_TYPE_FORMAT,v));
+ return root;
+}
+
+xmlpp::Element* encode_time(xmlpp::Element* root,Time t, float /*fps*/=0)
+{
+ root->set_name("time");
+ //root->set_attribute("value",t.get_string(fps));
+ root->set_attribute("value",t.get_string());
+ return root;
+}
+
+xmlpp::Element* encode_integer(xmlpp::Element* root,int i)
+{
+ root->set_name("integer");
+ root->set_attribute("value",strprintf("%i",i));
+ return root;
+}
+
+xmlpp::Element* encode_bool(xmlpp::Element* root,bool b)
+{
+ root->set_name("bool");
+ root->set_attribute("value",b?"true":"false");
+ return root;
+}
+
+xmlpp::Element* encode_string(xmlpp::Element* root,const String &str)
+{
+ root->set_name("string");
+ root->set_child_text(str);
+ return root;
+}
+
+xmlpp::Element* encode_vector(xmlpp::Element* root,Vector vect)
+{
+ root->set_name("vector");
+ root->add_child("x")->set_child_text(strprintf(VECTOR_VALUE_TYPE_FORMAT,(float)vect[0]));
+ root->add_child("y")->set_child_text(strprintf(VECTOR_VALUE_TYPE_FORMAT,(float)vect[1]));
+ return root;
+}
+
+xmlpp::Element* encode_color(xmlpp::Element* root,Color color)
+{
+ root->set_name("color");
+ root->add_child("r")->set_child_text(strprintf(COLOR_VALUE_TYPE_FORMAT,(float)color.get_r()));
+ root->add_child("g")->set_child_text(strprintf(COLOR_VALUE_TYPE_FORMAT,(float)color.get_g()));
+ root->add_child("b")->set_child_text(strprintf(COLOR_VALUE_TYPE_FORMAT,(float)color.get_b()));
+ root->add_child("a")->set_child_text(strprintf(COLOR_VALUE_TYPE_FORMAT,(float)color.get_a()));
+ return root;
+}
+
+xmlpp::Element* encode_angle(xmlpp::Element* root,Angle theta)
+{
+ root->set_name("angle");
+ root->set_attribute("value",strprintf("%f",(float)Angle::deg(theta).get()));
+ return root;
+}
+
+xmlpp::Element* encode_segment(xmlpp::Element* root,Segment seg)
+{
+ root->set_name("segment");
+ encode_vector(root->add_child("p1")->add_child("vector"),seg.p1);
+ encode_vector(root->add_child("t1")->add_child("vector"),seg.t1);
+ encode_vector(root->add_child("p2")->add_child("vector"),seg.p2);
+ encode_vector(root->add_child("t2")->add_child("vector"),seg.t2);
+ return root;
+}
+
+xmlpp::Element* encode_bline_point(xmlpp::Element* root,BLinePoint bline_point)
+{
+ root->set_name(ValueBase::type_name(ValueBase::TYPE_BLINEPOINT));
+
+ encode_vector(root->add_child("vertex")->add_child("vector"),bline_point.get_vertex());
+ encode_vector(root->add_child("t1")->add_child("vector"),bline_point.get_tangent1());
+
+ if(bline_point.get_split_tangent_flag())
+ encode_vector(root->add_child("t2")->add_child("vector"),bline_point.get_tangent2());
+
+ encode_real(root->add_child("width")->add_child("real"),bline_point.get_width());
+ encode_real(root->add_child("origin")->add_child("real"),bline_point.get_origin());
+ return root;
+}
+
+xmlpp::Element* encode_gradient(xmlpp::Element* root,Gradient x)
+{
+ root->set_name("gradient");
+
+ Gradient::const_iterator iter;
+ x.sort();
+ for(iter=x.begin();iter!=x.end();iter++)
+ {
+ xmlpp::Element *cpoint(encode_color(root->add_child("color"),iter->color));
+ cpoint->set_attribute("pos",strprintf("%f",iter->pos));
+ }
+ return root;
+}
+
+
+xmlpp::Element* encode_value(xmlpp::Element* root,const ValueBase &data,Canvas::ConstHandle canvas=0);
+
+xmlpp::Element* encode_list(xmlpp::Element* root,std::list<ValueBase> list, Canvas::ConstHandle canvas=0)
+{
+ root->set_name("list");
+
+ while(!list.empty())
+ {
+ encode_value(root->add_child("value"),list.front(),canvas);
+ list.pop_front();
+ }
+
+ return root;
+}
+
+xmlpp::Element* encode_value(xmlpp::Element* root,const ValueBase &data,Canvas::ConstHandle canvas)
+{
+ switch(data.get_type())
+ {
+ case ValueBase::TYPE_REAL:
+ return encode_real(root,data.get(Real()));
+ case ValueBase::TYPE_TIME:
+ if(canvas)
+ return encode_time(root,data.get(Time()),canvas->rend_desc().get_frame_rate());
+ else
+ return encode_time(root,data.get(Time()));
+ case ValueBase::TYPE_INTEGER:
+ return encode_integer(root,data.get(int()));
+ case ValueBase::TYPE_COLOR:
+ return encode_color(root,data.get(Color()));
+ case ValueBase::TYPE_VECTOR:
+ return encode_vector(root,data.get(Vector()));
+ case ValueBase::TYPE_ANGLE:
+ return encode_angle(root,data.get(Angle()));
+ case ValueBase::TYPE_BOOL:
+ return encode_bool(root,data.get(bool()));
+ case ValueBase::TYPE_STRING:
+ return encode_string(root,data.get(String()));
+ case ValueBase::TYPE_SEGMENT:
+ return encode_segment(root,data.get(Segment()));
+ case ValueBase::TYPE_BLINEPOINT:
+ return encode_bline_point(root,data.get(BLinePoint()));
+ case ValueBase::TYPE_GRADIENT:
+ return encode_gradient(root,data.get(Gradient()));
+ case ValueBase::TYPE_LIST:
+ return encode_list(root,data,canvas);
+ case ValueBase::TYPE_CANVAS:
+ return encode_canvas(root,data.get(Canvas::Handle()).get());
+ case ValueBase::TYPE_NIL:
+ synfig::error("Encountered NIL ValueBase");
+ root->set_name("nil");
+ return root;
+ default:
+ synfig::error(strprintf(_("Unknown value(%s), cannot create XML representation!"),ValueBase::type_local_name(data.get_type()).c_str()));
+ root->set_name("nil");
+ return root;
+ }
+}
+
+xmlpp::Element* encode_animated(xmlpp::Element* root,ValueNode_Animated::ConstHandle value_node,Canvas::ConstHandle canvas=0)
+{
+ assert(value_node);
+ root->set_name("animated");
+
+ root->set_attribute("type",ValueBase::type_name(value_node->get_type()));
+
+ const ValueNode_Animated::WaypointList &waypoint_list=value_node->waypoint_list();
+ ValueNode_Animated::WaypointList::const_iterator iter;
+
+ for(iter=waypoint_list.begin();iter!=waypoint_list.end();++iter)
+ {
+ xmlpp::Element *waypoint_node=root->add_child("waypoint");
+ //waypoint_node->set_attribute("time",iter->get_time().get_string(canvas->rend_desc().get_frame_rate()));
+ waypoint_node->set_attribute("time",iter->get_time().get_string());
+
+ //waypoint_node->add_child(encode_value(iter->get_value(),canvas));
+ if(iter->get_value_node()->is_exported())
+ waypoint_node->set_attribute("use",iter->get_value_node()->get_relative_id(canvas));
+ else {
+ ValueNode::ConstHandle value_node = iter->get_value_node();
+ if(ValueNode_Const::ConstHandle::cast_dynamic(value_node)) {
+ const ValueBase data = ValueNode_Const::ConstHandle::cast_dynamic(value_node)->get_value();
+ if (data.get_type() == ValueBase::TYPE_CANVAS)
+ waypoint_node->set_attribute("use",data.get(Canvas::Handle()).get()->get_relative_id(canvas));
+ else
+ encode_value_node(waypoint_node->add_child("value_node"),iter->get_value_node(),canvas);
+ }
+ else
+ encode_value_node(waypoint_node->add_child("value_node"),iter->get_value_node(),canvas);
+ }
+
+ switch(iter->get_before())
+ {
+ case INTERPOLATION_HALT:
+ waypoint_node->set_attribute("before","halt");
+ break;
+ case INTERPOLATION_LINEAR:
+ waypoint_node->set_attribute("before","linear");
+ break;
+ case INTERPOLATION_MANUAL:
+ waypoint_node->set_attribute("before","manual");
+ break;
+ case INTERPOLATION_CONSTANT:
+ waypoint_node->set_attribute("before","constant");
+ break;
+ case INTERPOLATION_TCB:
+ waypoint_node->set_attribute("before","auto");
+ break;
+ default:
+ error("Unknown waypoint type for \"before\" attribute");
+ }
+
+ switch(iter->get_after())
+ {
+ case INTERPOLATION_HALT:
+ waypoint_node->set_attribute("after","halt");
+ break;
+ case INTERPOLATION_LINEAR:
+ waypoint_node->set_attribute("after","linear");
+ break;
+ case INTERPOLATION_MANUAL:
+ waypoint_node->set_attribute("after","manual");
+ break;
+ case INTERPOLATION_CONSTANT:
+ waypoint_node->set_attribute("after","constant");
+ break;
+ case INTERPOLATION_TCB:
+ waypoint_node->set_attribute("after","auto");
+ break;
+ default:
+ error("Unknown waypoint type for \"after\" attribute");
+ }
+
+ if(iter->get_tension()!=0.0)
+ waypoint_node->set_attribute("tension",strprintf("%f",iter->get_tension()));
+ if(iter->get_temporal_tension()!=0.0)
+ waypoint_node->set_attribute("temporal-tension",strprintf("%f",iter->get_temporal_tension()));
+ if(iter->get_continuity()!=0.0)
+ waypoint_node->set_attribute("continuity",strprintf("%f",iter->get_continuity()));
+ if(iter->get_bias()!=0.0)
+ waypoint_node->set_attribute("bias",strprintf("%f",iter->get_bias()));
+
+ }
+
+ return root;
+}
+
+xmlpp::Element* encode_subtract(xmlpp::Element* root,ValueNode_Subtract::ConstHandle value_node,Canvas::ConstHandle canvas=0)
+{
+ assert(value_node);
+ root->set_name("subtract");
+
+ ValueNode::ConstHandle lhs=value_node->get_lhs();
+ ValueNode::ConstHandle rhs=value_node->get_rhs();
+ ValueNode::ConstHandle scalar=value_node->get_scalar();
+
+ assert(lhs);
+ assert(rhs);
+
+ root->set_attribute("type",ValueBase::type_name(value_node->get_type()));
+
+ if(lhs==rhs)
+ warning("LHS is equal to RHS, this <subtract> will always be zero!");
+
+ //if(value_node->get_scalar()!=1)
+ // root->set_attribute("scalar",strprintf(VECTOR_VALUE_TYPE_FORMAT,value_node->get_scalar()));
+
+ if(!scalar->get_id().empty())
+ root->set_attribute("scalar",scalar->get_relative_id(canvas));
+ else
+ encode_value_node(root->add_child("scalar")->add_child("value_node"),scalar,canvas);
+
+ if(!lhs->get_id().empty())
+ root->set_attribute("lhs",lhs->get_relative_id(canvas));
+ else
+ encode_value_node(root->add_child("lhs")->add_child("value_node"),lhs,canvas);
+
+ if(!rhs->get_id().empty())
+ root->set_attribute("rhs",rhs->get_relative_id(canvas));
+ else
+ encode_value_node(root->add_child("rhs")->add_child("value_node"),rhs,canvas);
+
+ return root;
+}
+
+xmlpp::Element* encode_dynamic_list(xmlpp::Element* root,ValueNode_DynamicList::ConstHandle value_node,Canvas::ConstHandle canvas=0)
+{
+ assert(value_node);
+ const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
+
+ root->set_name(value_node->get_name());
+
+ root->set_attribute("type",ValueBase::type_name(value_node->get_contained_type()));
+
+ vector<ValueNode_DynamicList::ListEntry>::const_iterator iter;
+
+ ValueNode_BLine::ConstHandle bline_value_node(ValueNode_BLine::ConstHandle::cast_dynamic(value_node));
+
+ if(bline_value_node)
+ {
+ if(bline_value_node->get_loop())
+ root->set_attribute("loop","true");
+ else
+ root->set_attribute("loop","false");
+ }
+
+ for(iter=value_node->list.begin();iter!=value_node->list.end();++iter)
+ {
+ xmlpp::Element *entry_node=root->add_child("entry");
+ assert(iter->value_node);
+ if(!iter->value_node->get_id().empty())
+ entry_node->set_attribute("use",iter->value_node->get_relative_id(canvas));
+ else
+ encode_value_node(entry_node->add_child("value_node"),iter->value_node,canvas);
+
+ // process waypoints
+ {
+ typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
+ typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
+ String begin_sequence;
+ String end_sequence;
+
+ const ActivepointList& timing_info(iter->timing_info);
+ ActivepointList::const_iterator entry_iter;
+
+ for(entry_iter=timing_info.begin();entry_iter!=timing_info.end();++entry_iter)
+ if(entry_iter->state==true)
+ {
+ if(entry_iter->priority)
+ begin_sequence+=strprintf("p%d ",entry_iter->priority);
+ begin_sequence+=entry_iter->time.get_string(fps)+", ";
+ }
+ else
+ {
+ if(entry_iter->priority)
+ end_sequence+=strprintf("p%d ",entry_iter->priority);
+ end_sequence+=entry_iter->time.get_string(fps)+", ";
+ }
+
+ // If this is just a plane-jane vanilla entry,
+ // then don't bother with begins and ends
+ if(end_sequence.empty() && begin_sequence=="SOT, ")
+ begin_sequence.clear();
+
+ if(!begin_sequence.empty())
+ {
+ // Remove the last ", " stuff
+ begin_sequence=String(begin_sequence.begin(),begin_sequence.end()-2);
+ // Add the attribute
+ entry_node->set_attribute("on",begin_sequence);
+ }
+
+ if(!end_sequence.empty())
+ {
+ // Remove the last ", " stuff
+ end_sequence=String(end_sequence.begin(),end_sequence.end()-2);
+ // Add the attribute
+ entry_node->set_attribute("off",end_sequence);
+ }
+ }
+ }
+
+ return root;
+}
+
+// Generic linkable data node entry
+xmlpp::Element* encode_linkable_value_node(xmlpp::Element* root,LinkableValueNode::ConstHandle value_node,Canvas::ConstHandle canvas=0)
+{
+ assert(value_node);
+
+ String name(value_node->get_name());
+ ReleaseVersion saving_version(get_file_version());
+ ReleaseVersion feature_version(LinkableValueNode::book()[name].release_version);
+
+ if (saving_version < feature_version)
+ {
+ valuenode_too_new_count++;
+ warning("can't save <%s> valuenodes in this old file format version", name.c_str());
+
+ ValueBase value((*value_node)(0));
+ encode_value(root,value,canvas);
+
+ // ValueNode_Const::ConstHandle const_value(ValueNode_Const::create((*value_node)(0)));
+ // encode_value_node(root,const_value,canvas);
+
+ return root;
+ }
+
+ root->set_name(name);
+
+ root->set_attribute("type",ValueBase::type_name(value_node->get_type()));
+
+ int i;
+ for(i=0;i<value_node->link_count();i++)
+ {
+ ValueNode::ConstHandle link=value_node->get_link(i).constant();
+ if(!link)
+ throw runtime_error("Bad link");
+ if(link->is_exported())
+ root->set_attribute(value_node->link_name(i),link->get_relative_id(canvas));
+ else
+ encode_value_node(root->add_child(value_node->link_name(i))->add_child("value_node"),link,canvas);
+ }
+
+ return root;
+}
+
+xmlpp::Element* encode_value_node(xmlpp::Element* root,ValueNode::ConstHandle value_node,Canvas::ConstHandle canvas)
+{
+ assert(value_node);
+
+ if(ValueNode_Animated::ConstHandle::cast_dynamic(value_node))
+ encode_animated(root,ValueNode_Animated::ConstHandle::cast_dynamic(value_node),canvas);
+ else
+ if(ValueNode_Subtract::ConstHandle::cast_dynamic(value_node))
+ encode_subtract(root,ValueNode_Subtract::ConstHandle::cast_dynamic(value_node),canvas);
+ else
+ if(ValueNode_DynamicList::ConstHandle::cast_dynamic(value_node))
+ encode_dynamic_list(root,ValueNode_DynamicList::ConstHandle::cast_dynamic(value_node),canvas);
+ else if(ValueNode_Const::ConstHandle::cast_dynamic(value_node))
+ {
+ encode_value(root,ValueNode_Const::ConstHandle::cast_dynamic(value_node)->get_value(),canvas);
+ }
+ else
+ if(LinkableValueNode::ConstHandle::cast_dynamic(value_node))
+ encode_linkable_value_node(root,LinkableValueNode::ConstHandle::cast_dynamic(value_node),canvas);
+ else
+ {
+ error(_("Unknown ValueNode Type (%s), cannot create an XML representation"),value_node->get_local_name().c_str());
+ root->set_name("nil");
+ }
+
+ assert(root);
+
+ if(!value_node->get_id().empty())
+ root->set_attribute("id",value_node->get_id());
+
+ if(value_node->rcount()>1)
+ root->set_attribute("guid",(value_node->get_guid()^canvas->get_root()->get_guid()).get_string());
+
+ return root;
+}
+
+xmlpp::Element* encode_layer(xmlpp::Element* root,Layer::ConstHandle layer)
+{
+ root->set_name("layer");
+
+ root->set_attribute("type",layer->get_name());
+ root->set_attribute("active",layer->active()?"true":"false");
+
+ if(!layer->get_version().empty())
+ root->set_attribute("version",layer->get_version());
+ if(!layer->get_description().empty())
+ root->set_attribute("desc",layer->get_description());
+ if(!layer->get_group().empty())
+ root->set_attribute("group",layer->get_group());
+
+ Layer::Vocab vocab(layer->get_param_vocab());
+ Layer::Vocab::const_iterator iter;
+
+ const Layer::DynamicParamList &dynamic_param_list=layer->dynamic_param_list();
+
+ for(iter=vocab.begin();iter!=vocab.end();++iter)
+ {
+ // Handle dynamic parameters
+ if(dynamic_param_list.count(iter->get_name()))
+ {
+ xmlpp::Element *node=root->add_child("param");
+ node->set_attribute("name",iter->get_name());
+
+ handle<const ValueNode> value_node=dynamic_param_list.find(iter->get_name())->second;
+
+ // If the valuenode has no ID, then it must be defined in-place
+ if(value_node->get_id().empty())
+ {
+ encode_value_node(node->add_child("value_node"),value_node,layer->get_canvas().constant());
+ }
+ else
+ {
+ node->set_attribute("use",value_node->get_relative_id(layer->get_canvas()));
+ }
+ }
+ else // Handle normal parameters
+ if(iter->get_critical())
+ {
+ ValueBase value=layer->get_param(iter->get_name());
+ if(!value.is_valid())
+ {
+ error("Layer doesn't know its own vocabulary -- "+iter->get_name());
+ continue;
+ }
+
+ if(value.get_type()==ValueBase::TYPE_CANVAS)
+ {
+ // the ->is_inline() below was crashing if the canvas
+ // contained a PasteCanvas with the default <No Image
+ // Selected> Canvas setting; this avoids the crash
+ if (!value.get(Canvas::LooseHandle()))
+ continue;
+
+ if (!value.get(Canvas::LooseHandle())->is_inline())
+ {
+ Canvas::Handle child(value.get(Canvas::LooseHandle()));
+
+ if(!value.get(Canvas::Handle()))
+ continue;
+ xmlpp::Element *node=root->add_child("param");
+ node->set_attribute("name",iter->get_name());
+ node->set_attribute("use",child->get_relative_id(layer->get_canvas()));
+ continue;
+ }
+ }
+ xmlpp::Element *node=root->add_child("param");
+ node->set_attribute("name",iter->get_name());
+
+ encode_value(node->add_child("value"),value,layer->get_canvas().constant());
+ }
+ }
+
+
+ return root;
+}
+
+xmlpp::Element* encode_canvas(xmlpp::Element* root,Canvas::ConstHandle canvas)
+{
+ assert(canvas);
+ const RendDesc &rend_desc=canvas->rend_desc();
+ root->set_name("canvas");
+
+ if(canvas->is_root())
+ root->set_attribute("version",canvas->get_version());
+
+ if(!canvas->get_id().empty() && !canvas->is_root() && !canvas->is_inline())
+ root->set_attribute("id",canvas->get_id());
+
+ if(!canvas->parent() || canvas->parent()->rend_desc().get_w()!=canvas->rend_desc().get_w())
+ root->set_attribute("width",strprintf("%d",rend_desc.get_w()));
+
+ if(!canvas->parent() || canvas->parent()->rend_desc().get_h()!=canvas->rend_desc().get_h())
+ root->set_attribute("height",strprintf("%d",rend_desc.get_h()));
+
+ if(!canvas->parent() || canvas->parent()->rend_desc().get_x_res()!=canvas->rend_desc().get_x_res())
+ root->set_attribute("xres",strprintf("%f",rend_desc.get_x_res()));
+
+ if(!canvas->parent() || canvas->parent()->rend_desc().get_y_res()!=canvas->rend_desc().get_y_res())
+ root->set_attribute("yres",strprintf("%f",rend_desc.get_y_res()));
+
+
+ if(!canvas->parent() ||
+ canvas->parent()->rend_desc().get_tl()!=canvas->rend_desc().get_tl() ||
+ canvas->parent()->rend_desc().get_br()!=canvas->rend_desc().get_br())
+ root->set_attribute("view-box",strprintf(VIEW_BOX_FORMAT,
+ rend_desc.get_tl()[0],
+ rend_desc.get_tl()[1],
+ rend_desc.get_br()[0],
+ rend_desc.get_br()[1])
+ );
+
+ if(!canvas->parent() || canvas->parent()->rend_desc().get_antialias()!=canvas->rend_desc().get_antialias())
+ root->set_attribute("antialias",strprintf("%d",rend_desc.get_antialias()));
+
+ if(!canvas->parent())
+ root->set_attribute("fps",strprintf(TIME_TYPE_FORMAT,rend_desc.get_frame_rate()));
+
+ if(!canvas->parent() || canvas->parent()->rend_desc().get_time_start()!=canvas->rend_desc().get_time_start())
+ root->set_attribute("begin-time",rend_desc.get_time_start().get_string(rend_desc.get_frame_rate()));
+
+ if(!canvas->parent() || canvas->parent()->rend_desc().get_time_end()!=canvas->rend_desc().get_time_end())
+ root->set_attribute("end-time",rend_desc.get_time_end().get_string(rend_desc.get_frame_rate()));
+
+ if(!canvas->is_inline())
+ {
+ root->set_attribute("bgcolor",strprintf(VIEW_BOX_FORMAT,
+ rend_desc.get_bg_color().get_r(),
+ rend_desc.get_bg_color().get_g(),
+ rend_desc.get_bg_color().get_b(),
+ rend_desc.get_bg_color().get_a())
+ );
+
+ if(!canvas->get_name().empty())
+ root->add_child("name")->set_child_text(canvas->get_name());
+ if(!canvas->get_description().empty())
+ root->add_child("desc")->set_child_text(canvas->get_description());
+ if(!canvas->get_author().empty())
+ root->add_child("author")->set_child_text(canvas->get_description());
+
+ std::list<String> meta_keys(canvas->get_meta_data_keys());
+ while(!meta_keys.empty())
+ {
+ xmlpp::Element* meta_element(root->add_child("meta"));
+ meta_element->set_attribute("name",meta_keys.front());
+ meta_element->set_attribute("content",canvas->get_meta_data(meta_keys.front()));
+ meta_keys.pop_front();
+ }
+ for(KeyframeList::const_iterator iter=canvas->keyframe_list().begin();iter!=canvas->keyframe_list().end();++iter)
+ encode_keyframe(root->add_child("keyframe"),*iter,canvas->rend_desc().get_frame_rate());
+ }
+
+ // Output the <defs> section
+ //! \todo check where the parentheses should really go - around the && or the ||?
+ if((!canvas->is_inline() && !canvas->value_node_list().empty()) || !canvas->children().empty())
+ {
+ xmlpp::Element *node=root->add_child("defs");
+ const ValueNodeList &value_node_list(canvas->value_node_list());
+
+ for(ValueNodeList::const_iterator iter=value_node_list.begin();iter!=value_node_list.end();++iter)
+ {
+ // If the value_node is a constant, then use the shorthand
+ if(handle<ValueNode_Const>::cast_dynamic(*iter))
+ {
+ ValueNode_Const::Handle value_node(ValueNode_Const::Handle::cast_dynamic(*iter));
+ reinterpret_cast<xmlpp::Element*>(encode_value(node->add_child("value"),value_node->get_value()))->set_attribute("id",value_node->get_id());
+ continue;
+ }
+ encode_value_node(node->add_child("value_node"),*iter,canvas);
+ // writeme
+ }
+
+ for(Canvas::Children::const_iterator iter=canvas->children().begin();iter!=canvas->children().end();++iter)
+ {
+ encode_canvas(node->add_child("canvas"),*iter);
+ }
+ }
+
+ Canvas::const_reverse_iterator iter;
+
+ for(iter=canvas->rbegin();iter!=canvas->rend();++iter)
+ encode_layer(root->add_child("layer"),*iter);
+
+ return root;
+}
+
+xmlpp::Element* encode_canvas_toplevel(xmlpp::Element* root,Canvas::ConstHandle canvas)
+{
+ valuenode_too_new_count = 0;
+
+ xmlpp::Element* ret = encode_canvas(root, canvas);
+
+ if (valuenode_too_new_count)
+ warning("saved %d valuenodes as constant values in old file format\n", valuenode_too_new_count);
+
+ return ret;
+}
+
+bool
+synfig::save_canvas(const String &filename, Canvas::ConstHandle canvas)
+{
+ ChangeLocale change_locale(LC_NUMERIC, "C");
+
+ synfig::String tmp_filename(filename+".TMP");
+
+ if (filename_extension(filename) == ".sifz")
+ xmlSetCompressMode(9);
+ else
+ xmlSetCompressMode(0);
+
+ try
+ {
+ assert(canvas);
+ xmlpp::Document document;
+
+ encode_canvas_toplevel(document.create_root_node("canvas"),canvas);
+
+ document.write_to_file_formatted(tmp_filename);
+
+#ifdef _WIN32
+ // On Win32 platforms, rename() has bad behavior. work around it.
+ char old_file[80]="sif.XXXXXXXX";
+ mktemp(old_file);
+ rename(filename.c_str(),old_file);
+ if(rename(tmp_filename.c_str(),filename.c_str())!=0)
+ {
+ rename(old_file,tmp_filename.c_str());
+ synfig::error("synfig::save_canvas(): Unable to rename file to correct filename, errno=%d",errno);
+ return false;
+ }
+ remove(old_file);
+#else
+ if(rename(tmp_filename.c_str(),filename.c_str())!=0)
+ {
+ synfig::error("synfig::save_canvas(): Unable to rename file to correct filename, errno=%d",errno);
+ return false;
+ }
+#endif
+ }
+ catch(...) { synfig::error("synfig::save_canvas(): Caught unknown exception"); return false; }
+
+ return true;
+}
+
+String
+synfig::canvas_to_string(Canvas::ConstHandle canvas)
+{
+ ChangeLocale change_locale(LC_NUMERIC, "C");
+ assert(canvas);
+
+ xmlpp::Document document;
+
+ encode_canvas_toplevel(document.create_root_node("canvas"),canvas);
+
+ return document.write_to_string_formatted();
+}
+
+void
+synfig::set_file_version(ReleaseVersion version)
+{
+ save_canvas_version = version;
+}
+
+ReleaseVersion
+synfig::get_file_version()
+{
+ return save_canvas_version;
+}
projects / synfig.git / blobdiff