esvg/parserSVG/Rectangle.cpp

95 lines
3.0 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2011, Edouard DUPIN, all right reserved
*
* @license BSD v3 (see license file)
*/
#include <parserSVG/Debug.h>
#include <parserSVG/Rectangle.h>
#include <agg/agg_rounded_rect.h>
#include <agg/agg_conv_stroke.h>
svg::Rectangle::Rectangle(PaintState _parentPaintState) : svg::Base(_parentPaintState)
{
m_position.setValue(0,0);
m_size.setValue(0,0);
m_roundedCorner.setValue(0,0);
}
svg::Rectangle::~Rectangle(void)
{
}
bool svg::Rectangle::Parse(exml::Element * _element, agg::trans_affine& _parentTrans, etk::Vector2D<float>& _sizeMax)
{
if (NULL==_element) {
return false;
}
m_position.setValue(0,0);
m_size.setValue(0,0);
m_roundedCorner.setValue(0,0);
ParseTransform(_element);
ParsePaintAttr(_element);
// add the property of the parrent modifications ...
m_transformMatrix *= _parentTrans;
ParsePosition(_element, m_position, m_size);
etk::UString content = _element->GetAttribute("rx");
if (content.Size()!=0) {
m_roundedCorner.setX(ParseLength(content));
}
content = _element->GetAttribute("ry");
if (content.Size()!=0) {
m_roundedCorner.setY(ParseLength(content));
}
_sizeMax.setValue(m_position.x() + m_size.x() + m_paint.strokeWidth,
m_position.y() + m_size.y() + m_paint.strokeWidth);
return true;
}
void svg::Rectangle::Display(int32_t _spacing)
{
SVG_DEBUG(SpacingDist(_spacing) << "Rectangle : pos=" << m_position << " size=" << m_size << " corner=" << m_roundedCorner);
}
void svg::Rectangle::AggDraw(svg::Renderer& _myRenderer, agg::trans_affine& _basicTrans)
{
_myRenderer.m_renderArea->color(agg::rgba8(m_paint.fill.r, m_paint.fill.g, m_paint.fill.b, m_paint.fill.a));
// Creating a rounded rectangle
agg::rounded_rect rect_r(m_position.x(), m_position.y(), m_position.x()+m_size.x(), m_position.y()+m_size.y(), m_roundedCorner.x());
rect_r.radius(m_roundedCorner.x(), m_roundedCorner.y());
rect_r.normalize_radius();
agg::trans_affine mtx = m_transformMatrix;
// herited modifications ...
mtx *= _basicTrans;
if (m_paint.fill.a != 0x00) {
agg::conv_transform<agg::rounded_rect, agg::trans_affine> trans(rect_r, mtx);
// set the filling mode :
_myRenderer.m_rasterizer.filling_rule((m_paint.flagEvenOdd)?agg::fill_even_odd:agg::fill_non_zero);
_myRenderer.m_rasterizer.add_path(trans);
agg::render_scanlines(_myRenderer.m_rasterizer, _myRenderer.m_scanLine, *_myRenderer.m_renderArea);
}
if (m_paint.strokeWidth > 0 && m_paint.stroke.a!=0x00 ) {
_myRenderer.m_renderArea->color(agg::rgba8(m_paint.stroke.r, m_paint.stroke.g, m_paint.stroke.b, m_paint.stroke.a));
// Drawing as an outline
agg::conv_stroke<agg::rounded_rect> rect_p(rect_r);
// set the filling mode :
_myRenderer.m_rasterizer.filling_rule(agg::fill_non_zero);
rect_p.width(m_paint.strokeWidth);
agg::conv_transform<agg::conv_stroke<agg::rounded_rect>, agg::trans_affine> transStroke(rect_p, mtx);
_myRenderer.m_rasterizer.add_path(transStroke);
agg::render_scanlines(_myRenderer.m_rasterizer, _myRenderer.m_scanLine, *_myRenderer.m_renderArea);
}
}