+++ /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 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 ======================================================= */
-
-/* === 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_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:
- // This is the default value for angles, so don't add a new attribute for them
- if (value_node->get_type() != ValueBase::TYPE_ANGLE)
- 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:
- // This is the default value, so don't add a new attribute (unless it's an angle - they default to linear)
- if (value_node->get_type() == ValueBase::TYPE_ANGLE)
- 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:
- // This is the default value for angles, so don't add a new attribute for them
- if (value_node->get_type() != ValueBase::TYPE_ANGLE)
- 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:
- // This is the default value, so don't add a new attribute (unless it's an angle - they default to linear)
- if (value_node->get_type() == ValueBase::TYPE_ANGLE)
- 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_time_tension()!=0.0)
- waypoint_node->set_attribute("temporal-tension",strprintf("%f",iter->get_time_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_composite(xmlpp::Element* root,ValueNode_Composite::ConstHandle value_node,Canvas::ConstHandle canvas=0)
-{
- assert(value_node);
- root->set_name("composite");
-
- root->set_attribute("type",ValueBase::type_name(value_node->get_type()));
-
- int i;
- for(i=0;i<value_node->link_count();i++)
- {
- string name(strprintf("c%d",i+1));
- assert(value_node->get_link(i));
- if(value_node->get_link(i)->is_exported())
- root->set_attribute(name,value_node->get_link(i)->get_relative_id(canvas));
- else
- encode_value_node(root->add_child(name)->add_child("value_node"),value_node->get_link(i).constant(),canvas);
- }
-
- 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)
- {
- printf("begin priority is %d\n", entry_iter->priority);
- begin_sequence+=strprintf("p%d ",entry_iter->priority);
- }
- begin_sequence+=entry_iter->time.get_string(fps)+", ";
- }
- else
- {
- if(entry_iter->priority)
- {
- printf("end priority is %d\n", 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);
- root->set_name(value_node->get_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_Composite::ConstHandle::cast_dynamic(value_node))
- encode_composite(root,ValueNode_Composite::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","0.1");
-
- 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
- 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;
-}
-
-bool
-synfig::save_canvas(const String &filename, Canvas::ConstHandle canvas)
-{
- ChangeLocale change_locale(LC_NUMERIC, "C");
-
- synfig::String tmp_filename(filename+".TMP");
-
- if (String(filename.begin() + filename.find_last_of('.')+1, filename.end()) == "sifz")
- xmlSetCompressMode(9);
- else
- xmlSetCompressMode(0);
-
- try
- {
- assert(canvas);
- xmlpp::Document document;
-
- encode_canvas(document.create_root_node("canvas"),canvas);
-
- document.write_to_file_formatted(tmp_filename);
- }
- catch(...) { synfig::error("synfig::save_canvas(): Caught unknown exception"); return false; }
-
-
-#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
-
- return true;
-}
-
-String
-synfig::canvas_to_string(Canvas::ConstHandle canvas)
-{
- ChangeLocale change_locale(LC_NUMERIC, "C");
- assert(canvas);
-
- xmlpp::Document document;
-
- encode_canvas(document.create_root_node("canvas"),canvas);
-
- return document.write_to_string_formatted();
-}