320 lines
8.7 KiB
C++
320 lines
8.7 KiB
C++
/****************************************************************************
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Copyright (c) 2008, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#if (__WIN32__||__APPLE__)
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#include "stdneb.h"
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#include "http/svg/svgpagewriter.h"
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namespace Http
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{
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__ImplementClass(Http::SvgPageWriter, 'SVGW', IO::StreamWriter);
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using namespace Util;
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using namespace IO;
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using namespace Math;
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//------------------------------------------------------------------------------
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/**
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*/
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SvgPageWriter::SvgPageWriter() :
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canvasWidth(100),
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canvasHeight(100),
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unitWidth(100),
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unitHeight(100)
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{
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// empty
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}
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//------------------------------------------------------------------------------
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/**
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*/
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SvgPageWriter::~SvgPageWriter()
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{
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// empty
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}
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//------------------------------------------------------------------------------
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/**
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*/
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bool
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SvgPageWriter::Open()
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{
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if (StreamWriter::Open())
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{
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// create an XmlWriter and attach it to our stream
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this->xmlWriter = XmlWriter::Create();
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this->xmlWriter->SetStream(this->stream);
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this->xmlWriter->Open();
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// write SVG root element
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this->xmlWriter->BeginNode("svg");
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this->xmlWriter->SetString("xmlns", "http://www.w3.org/2000/svg");
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this->xmlWriter->SetInt("width", this->canvasWidth);
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this->xmlWriter->SetInt("height", this->canvasHeight);
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String viewBox;
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viewBox.Format("0 0 %d %d", this->unitWidth, this->unitHeight);
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this->xmlWriter->SetString("viewBox", viewBox);
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this->xmlWriter->SetString("preserveAspectRatio", "none");
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return true;
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}
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return false;
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::Close()
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{
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n_assert(this->IsOpen());
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// close SVG page
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this->xmlWriter->EndNode();
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// close XML writer
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this->xmlWriter->Close();
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this->xmlWriter = 0;
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// set MIME type on our stream
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this->stream->SetMediaType(MediaType("image/svg+xml"));
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// call parent class
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StreamWriter::Close();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::BeginNode(const Util::String& nodeName)
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{
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this->xmlWriter->BeginNode(nodeName);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::EndNode()
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{
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this->xmlWriter->EndNode();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::SetString(const Util::String& name, const Util::String& value)
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{
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this->xmlWriter->SetString(name, value);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::BeginTransformGroup(const float2& translate, float rotate, const float2& scale)
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{
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// format the attribute string
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String str;
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str.Format("translate(%.3f,%.3f) rotate(%.3f) scale(%.3f,%.3f)",
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translate.x(), translate.y(),
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rotate,
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scale.x(), scale.y());
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// write XML element
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this->xmlWriter->BeginNode("g");
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this->xmlWriter->SetString("transform", str);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::BeginPaintGroup(const Util::String& fillColor, const Util::String& strokeColor, int strokeWidth)
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{
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n_assert(fillColor.IsValid());
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n_assert(strokeColor.IsValid());
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this->xmlWriter->BeginNode("g");
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this->xmlWriter->SetString("fill", fillColor);
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this->xmlWriter->SetString("stroke", strokeColor);
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this->xmlWriter->SetInt("stroke-width", strokeWidth);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::BeginTextGroup(int fontSize, const Util::String& textColor)
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{
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this->xmlWriter->BeginNode("g");
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this->xmlWriter->SetInt("font-size", fontSize);
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this->xmlWriter->SetString("fill", textColor);
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::EndGroup()
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{
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this->xmlWriter->EndNode();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::Rect(float x, float y, float w, float h)
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{
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this->xmlWriter->BeginNode("rect");
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this->xmlWriter->SetFloat("x", x);
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this->xmlWriter->SetFloat("y", y);
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this->xmlWriter->SetFloat("width", w);
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this->xmlWriter->SetFloat("height", h);
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this->xmlWriter->EndNode();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::Circle(float x, float y, float r)
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{
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this->xmlWriter->BeginNode("circle");
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this->xmlWriter->SetFloat("cx", x);
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this->xmlWriter->SetFloat("cy", y);
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this->xmlWriter->SetFloat("r", r);
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this->xmlWriter->EndNode();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::Ellipse(float x, float y, float rx, float ry)
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{
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this->xmlWriter->BeginNode("ellipse");
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this->xmlWriter->SetFloat("cx", x);
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this->xmlWriter->SetFloat("cy", y);
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this->xmlWriter->SetFloat("rx", rx);
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this->xmlWriter->SetFloat("ry", ry);
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this->xmlWriter->EndNode();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::Line(float x1, float y1, float x2, float y2)
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{
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this->xmlWriter->BeginNode("line");
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this->xmlWriter->SetFloat("x1", x1);
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this->xmlWriter->SetFloat("y1", y1);
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this->xmlWriter->SetFloat("x2", x2);
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this->xmlWriter->SetFloat("y2", y2);
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this->xmlWriter->EndNode();
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}
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//------------------------------------------------------------------------------
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/**
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Note: due to a limitation for the length of XML attributes in TinyXML
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the array size for a single poly primitive should be about 200 max.
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*/
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void
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SvgPageWriter::PolyLine(const Array<float2>& points)
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{
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// build coordinates string
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String str;
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str.Reserve(points.Size() * 20);
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IndexT i;
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for (i = 0; i < points.Size(); i++)
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{
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str.AppendFloat(points[i].x());
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str.Append(",");
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str.AppendFloat(points[i].y());
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str.Append(" ");
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}
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// write XML element
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this->xmlWriter->BeginNode("polyline");
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this->xmlWriter->SetString("points", str);
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this->xmlWriter->EndNode();
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}
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//------------------------------------------------------------------------------
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/**
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Note: due to a limitation for the length of XML attributes in TinyXML
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the array size for a single poly primitive should be about 200 max.
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*/
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void
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SvgPageWriter::Polygon(const Array<float2>& points)
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{
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// build coordinates string
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String str;
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str.Reserve(points.Size() * 20);
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IndexT i;
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for (i = 0; i < points.Size(); i++)
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{
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str.AppendFloat(points[i].x());
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str.Append(",");
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str.AppendFloat(points[i].y());
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str.Append(" ");
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}
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// write XML element
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this->xmlWriter->BeginNode("polygon");
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this->xmlWriter->SetString("points", str);
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this->xmlWriter->EndNode();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::Text(float x, float y, const String& text)
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{
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this->xmlWriter->BeginNode("text");
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this->xmlWriter->SetFloat("x", x);
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this->xmlWriter->SetFloat("y", y);
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this->xmlWriter->WriteContent(text);
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this->xmlWriter->EndNode();
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}
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//------------------------------------------------------------------------------
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/**
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*/
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void
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SvgPageWriter::WriteContent(const Util::String& text)
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{
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this->xmlWriter->WriteContent(text);
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}
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} // namespace Http
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#endif |