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#include "compass_arrow.hpp"
#include "framework.hpp"
#include "../anim/controller.hpp"
#include "../gui/controller.hpp"
#include "../geometry/any_rect2d.hpp"
#include "../geometry/transformations.hpp"
#include "../graphics/display_list.hpp"
#include "../graphics/screen.hpp"
#include "../graphics/skin.hpp"
CompassArrow::CompassArrow(Params const & p)
: base_t(p),
m_arrowWidth(p.m_arrowWidth),
m_arrowHeight(p.m_arrowHeight),
m_northLeftColor(0xcc, 0x33, 0x00, 0xcc),
m_northRightColor(0xff, 0x33, 0x00, 0xcc),
m_southLeftColor(0xcc, 0xcc, 0xcc, 0xcc),
m_southRightColor(0xff, 0xff, 0xff, 0xcc),
m_angle(0),
m_boundRects(1),
m_framework(p.m_framework)
{
}
void CompassArrow::SetAngle(double angle)
{
m_angle = angle;
setIsDirtyRect(true);
}
vector<m2::AnyRectD> const & CompassArrow::boundRects() const
{
if (isDirtyRect())
{
double k = visualScale();
double halfW = m_arrowWidth / 2.0 * k;
double halfH = m_arrowHeight / 2.0 * k;
m_boundRects[0] = m2::AnyRectD(pivot(),
-math::pi / 2 + m_angle,
m2::RectD(-halfW, -halfH, halfW, halfH));
setIsDirtyRect(false);
}
return m_boundRects;
}
void CompassArrow::draw(graphics::gl::OverlayRenderer * r,
math::Matrix<double, 3, 3> const & m) const
{
if (isVisible())
{
checkDirtyDrawing();
math::Matrix<double, 3, 3> drawM = math::Shift(
math::Rotate(
math::Identity<double, 3>(),
m_angle),
pivot());
r->drawDisplayList(m_displayList.get(), drawM * m);
}
}
void CompassArrow::cache()
{
graphics::gl::Screen * cacheScreen = m_controller->GetCacheScreen();
m_displayList.reset();
m_displayList.reset(cacheScreen->createDisplayList());
cacheScreen->beginFrame();
cacheScreen->setDisplayList(m_displayList.get());
double const k = visualScale();
double const halfW = m_arrowWidth / 2.0 * k;
double const halfH = m_arrowHeight / 2.0 * k;
m2::PointF const northLeftPts[3] = {
m2::PointF(-halfW, 0),
m2::PointF(0, -halfH),
m2::PointF(0, 0)
};
cacheScreen->drawConvexPolygon(northLeftPts, 3, m_northLeftColor, depth());
m2::PointF const northRightPts[3] = {
m2::PointF(0, 0),
m2::PointF(0, -halfH),
m2::PointF(halfW, 0)
};
cacheScreen->drawConvexPolygon(northRightPts, 3, m_northRightColor, depth());
m2::PointF const southLeftPts[3] = {
m2::PointF(-halfW, 0),
m2::PointF(0, 0),
m2::PointF(0, halfH),
};
cacheScreen->drawConvexPolygon(southLeftPts, 3, m_southLeftColor, depth());
m2::PointF const southRightPts[3] = {
m2::PointF(0, 0),
m2::PointF(halfW, 0),
m2::PointF(0, halfH),
};
cacheScreen->drawConvexPolygon(southRightPts, 3, m_southRightColor, depth());
m2::PointD outlinePts[6] = {
m2::PointD(-halfW, 0),
m2::PointD(0, -halfH),
m2::PointD(halfW, 0),
m2::PointD(0, halfH),
m2::PointD(-halfW, 0),
m2::PointD(halfW, 0)
};
graphics::PenInfo const outlinePenInfo(graphics::Color(0x66, 0x66, 0x66, 0xcc), 1, 0, 0, 0);
cacheScreen->drawPath(outlinePts, sizeof(outlinePts) / sizeof(m2::PointD), 0, cacheScreen->skin()->mapPenInfo(outlinePenInfo), depth());
cacheScreen->setDisplayList(0);
cacheScreen->endFrame();
// we should not call cacheScreen->completeCommands
// as the gui::Element::cache is called on the GUI thread.
}
void CompassArrow::purge()
{
m_displayList.reset();
}
bool CompassArrow::onTapEnded(m2::PointD const & pt)
{
anim::Controller * animController = m_framework->GetAnimController();
animController->Lock();
/// switching off compass follow mode
m_framework->GetInformationDisplay().locationState()->StopCompassFollowing();
double startAngle = m_framework->GetNavigator().Screen().GetAngle();
double endAngle = 0;
m_framework->GetAnimator().RotateScreen(startAngle, endAngle);
animController->Unlock();
m_framework->Invalidate();
return true;
}
unsigned CompassArrow::GetArrowHeight() const
{
return m_arrowHeight;
}
bool CompassArrow::hitTest(m2::PointD const & pt) const
{
double rad = max(m_arrowWidth / 2, m_arrowHeight / 2);
return pt.Length(pivot()) < rad * visualScale();
}
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