105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
/**
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* @author Edouard DUPIN
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*
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* @copyright 2011, Edouard DUPIN, all right reserved
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*
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* @license BSD v3 (see license file)
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*/
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#include <parserSVG/Debug.h>
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#include <parserSVG/Ellipse.h>
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#include <agg/agg_conv_stroke.h>
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#include <agg/agg_ellipse.h>
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svg::Ellipse::Ellipse(PaintState parentPaintState) : svg::Base(parentPaintState)
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{
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}
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svg::Ellipse::~Ellipse(void)
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{
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}
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bool svg::Ellipse::Parse(exml::Element * _element, agg::trans_affine& _parentTrans, etk::Vector2D<float>& _sizeMax)
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{
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if (NULL==_element) {
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return false;
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}
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ParseTransform(_element);
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ParsePaintAttr(_element);
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// add the property of the parrent modifications ...
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m_transformMatrix *= _parentTrans;
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m_c.setValue(0,0);
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m_r.setValue(0,0);
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etk::UString content = _element->GetAttribute("cx");
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if (content.Size()!=0) {
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m_c.setX(ParseLength(content));
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}
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content = _element->GetAttribute("cy");
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if (content.Size()!=0) {
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m_c.setY(ParseLength(content));
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}
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content = _element->GetAttribute("rx");
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if (content.Size()!=0) {
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m_r.setX(ParseLength(content));
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} else {
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SVG_ERROR("(l "<<_element->Pos()<<") Ellipse \"rx\" is not present");
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return false;
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}
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content = _element->GetAttribute("ry");
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if (content.Size()!=0) {
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m_r.setY(ParseLength(content));
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} else {
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SVG_ERROR("(l "<<_element->Pos()<<") Ellipse \"ry\" is not present");
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return false;
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}
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_sizeMax.setValue(m_c.x() + m_r.x(), m_c.y() + m_r.y());
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return true;
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}
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void svg::Ellipse::Display(int32_t _spacing)
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{
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SVG_DEBUG(SpacingDist(_spacing) << "Ellipse c=" << m_c << " r=" << m_r);
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}
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void svg::Ellipse::AggDraw(svg::Renderer& _myRenderer, agg::trans_affine& _basicTrans)
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{
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_myRenderer.m_renderArea->color(agg::rgba8(m_paint.fill.r, m_paint.fill.g, m_paint.fill.b, m_paint.fill.a));
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// Creating an ellipse
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agg::ellipse myEllipse(m_c.x(), m_c.y(), m_r.x(), m_r.y(), 0);
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// Calculate transformation matrix ...
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agg::trans_affine mtx = m_transformMatrix;
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mtx *= _basicTrans;
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// set the filling mode :
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_myRenderer.m_rasterizer.filling_rule((m_paint.flagEvenOdd)?agg::fill_even_odd:agg::fill_non_zero);
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if (m_paint.fill.a != 0x00) {
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agg::conv_transform<agg::ellipse, agg::trans_affine> trans(myEllipse, mtx);
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_myRenderer.m_rasterizer.add_path(trans);
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agg::render_scanlines(_myRenderer.m_rasterizer, _myRenderer.m_scanLine, *_myRenderer.m_renderArea);
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}
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if (m_paint.strokeWidth > 0 && m_paint.stroke.a!=0x00 ) {
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_myRenderer.m_renderArea->color(agg::rgba8(m_paint.stroke.r, m_paint.stroke.g, m_paint.stroke.b, m_paint.stroke.a));
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// Drawing as an outline
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agg::conv_stroke<agg::ellipse> myEllipseStroke(myEllipse);
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myEllipseStroke.width(m_paint.strokeWidth);
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agg::conv_transform<agg::conv_stroke<agg::ellipse>, agg::trans_affine> transStroke(myEllipseStroke, mtx);
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// set the filling mode :
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_myRenderer.m_rasterizer.filling_rule(agg::fill_non_zero);
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_myRenderer.m_rasterizer.add_path(transStroke);
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agg::render_scanlines(_myRenderer.m_rasterizer, _myRenderer.m_scanLine, *_myRenderer.m_renderArea);
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}
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}
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