forked from organicmaps/organicmaps
added gui::Balloon element.
This commit is contained in:
rachytski
Alex Zolotarev
parent
2829435824
commit
97d2659c51
5 changed files with 374 additions and 1 deletions
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@ -71,8 +71,8 @@ SOURCES += \
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defines.cpp \
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icon.cpp \
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brush.cpp \
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geometry_pipeline.cpp \
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pipeline_manager.cpp \
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geometry_pipeline.cpp \
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path_view.cpp \
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HEADERS += \
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@ -143,6 +143,7 @@ HEADERS += \
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pipeline_manager.hpp \
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vertex_stream.hpp \
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path_view.hpp \
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path.hpp \
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win32* {
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SOURCES += opengl/opengl_win32.cpp
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44
graphics/path.hpp
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44
graphics/path.hpp
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@ -0,0 +1,44 @@
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#pragma once
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#include "../geometry/point2d.hpp"
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namespace graphics
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{
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template <typename T>
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class Path
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{
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private:
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vector<m2::Point<T> > m_pts;
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public:
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void reset(m2::Point<T> const & pt)
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{
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m_pts.clear();
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m_pts.push_back(pt);
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}
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void lineRel(m2::Point<T> const & pt)
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{
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m2::Point<T> const & p = m_pts.back();
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m_pts.push_back(p + pt);
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}
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void eclipseArcRel(m2::Point<T> const & pt)
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{
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/// TODO : write implementation
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}
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m2::Point<T> const * points() const
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{
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ASSERT(!m_pts.empty(), ());
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return &m_pts[0];
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}
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unsigned size() const
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{
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return m_pts.size();
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}
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};
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}
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248
gui/balloon.cpp
Normal file
248
gui/balloon.cpp
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@ -0,0 +1,248 @@
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#include "balloon.hpp"
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#include "controller.hpp"
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#include "../geometry/transformations.hpp"
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#include "../graphics/overlay_renderer.hpp"
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#include "../graphics/brush.hpp"
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#include "../graphics/screen.hpp"
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#include "../graphics/path.hpp"
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namespace gui
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{
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Balloon::Params::Params()
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{}
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Balloon::Balloon(Params const & p)
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: Element(p),
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m_boundRects(1),
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m_text(p.m_text),
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m_image(p.m_image)
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{
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m_textMarginLeft = p.m_textMarginLeft;
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m_textMarginRight = p.m_textMarginRight;
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m_textMarginTop = p.m_textMarginTop;
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m_textMarginBottom = p.m_textMarginBottom;
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m_imageMarginLeft = p.m_imageMarginLeft;
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m_imageMarginRight = p.m_imageMarginRight;
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m_imageMarginTop = p.m_imageMarginTop;
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m_imageMarginBottom = p.m_imageMarginBottom;
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TextView::Params tp;
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tp.m_text = m_text;
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tp.m_position = graphics::EPosRight;
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tp.m_pivot = m2::PointD(0, 0);
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tp.m_depth = depth();
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m_textView.reset(new TextView(tp));
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m_textView->setFont(Element::EActive, graphics::FontDesc(20, graphics::Color(0, 0, 0, 255), true));
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ImageView::Params ip;
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ip.m_pivot = m2::PointD(0, 0);
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ip.m_position = graphics::EPosRight;
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ip.m_depth = depth();
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ip.m_image = m_image;
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m_imageView.reset(new ImageView(ip));
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m_arrowHeight = 20;
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m_arrowAngle = ang::DegreeToRad(90);
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m_arrowWidth = 2 * tan(m_arrowAngle / 2) * m_arrowHeight;
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}
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vector<m2::AnyRectD> const & Balloon::boundRects() const
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{
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if (isDirtyRect())
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{
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m2::RectD tr = m_textView->roughBoundRect();
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m2::RectD ir = m_imageView->roughBoundRect();
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double k = visualScale();
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tr.setMinX(tr.minX() - m_textMarginLeft * k);
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tr.setMinY(tr.minY() - m_textMarginTop * k);
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tr.setMaxX(tr.maxX() + m_textMarginRight * k);
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tr.setMaxY(tr.maxY() + m_textMarginBottom * k);
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ir.setMinX(ir.minX() - m_imageMarginLeft * k);
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ir.setMinY(ir.minY() - m_imageMarginTop * k);
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ir.setMaxX(ir.maxX() + m_imageMarginRight * k);
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ir.setMaxY(ir.maxY() + m_imageMarginBottom * k);
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m2::RectD r(tr);
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r.Add(ir);
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graphics::EPosition pos = position();
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if (pos == graphics::EPosAbove)
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r.setMaxY(r.maxY() + m_arrowHeight);
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else if (pos == graphics::EPosUnder)
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r.setMinY(r.minY() - m_arrowHeight);
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else if (pos == graphics::EPosRight)
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r.setMinX(r.minX() - m_arrowHeight);
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else if (pos == graphics::EPosLeft)
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r.setMaxX(r.maxX() + m_arrowHeight);
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m_boundRects[0] = m2::AnyRectD(r);
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setIsDirtyRect(false);
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}
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return m_boundRects;
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}
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void Balloon::layout()
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{
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m2::RectD tr = m_textView->roughBoundRect();
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m2::RectD ir = m_imageView->roughBoundRect();
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double w = m_textMarginLeft + tr.SizeX() + m_textMarginRight
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+ m_imageMarginLeft + ir.SizeX() + m_imageMarginRight;
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double h = max(ir.SizeY() + m_imageMarginBottom + m_imageMarginTop,
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tr.SizeY() + m_textMarginBottom + m_textMarginTop);
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m2::PointD const & pv = pivot();
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graphics::EPosition pos = position();
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if (pos == graphics::EPosAbove)
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{
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m_textView->setPivot(m2::PointD(pv.x - w / 2 + m_textMarginLeft,
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pv.y - h / 2 - m_arrowHeight));
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m_imageView->setPivot(m2::PointD(pv.x + w / 2 - m_imageMarginRight - ir.SizeX(),
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pv.y - h / 2 - m_arrowHeight));
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}
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else if (pos == graphics::EPosUnder)
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{
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m_textView->setPivot(m2::PointD(pv.x - w / 2 + m_textMarginLeft,
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pv.y + h / 2 + m_arrowHeight));
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m_imageView->setPivot(m2::PointD(pv.x + w / 2 - m_imageMarginRight - ir.SizeX(),
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pv.y + h / 2 + m_arrowHeight));
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}
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else if (pos == graphics::EPosLeft)
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{
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m_textView->setPivot(m2::PointD(pv.x - w - m_arrowHeight + m_textMarginLeft,
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pv.y));
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m_imageView->setPivot(m2::PointD(pv.x - m_arrowHeight - m_imageMarginRight - ir.SizeX(),
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pv.y));
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}
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else if (pos == graphics::EPosRight)
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{
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m_textView->setPivot(m2::PointD(pv.x + m_arrowHeight + m_textMarginLeft,
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pv.y));
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m_imageView->setPivot(m2::PointD(pv.x + m_arrowHeight + m_textMarginLeft + tr.SizeX() + m_textMarginRight + m_imageMarginRight,
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pv.y));
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}
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m_textView->setPosition(graphics::EPosRight);
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m_imageView->setPosition(graphics::EPosRight);
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}
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void Balloon::setPivot(m2::PointD const & pv)
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{
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Element::setPivot(pv);
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layout();
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}
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void Balloon::cache()
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{
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graphics::Screen * cs = m_controller->GetCacheScreen();
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m_displayList.reset();
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m_displayList.reset(cs->createDisplayList());
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cs->beginFrame();
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cs->setDisplayList(m_displayList.get());
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m2::RectD const & r = roughBoundRect();
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double bw = r.SizeX();
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double bh = r.SizeY();
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double aw = m_arrowWidth;
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double ah = m_arrowHeight;
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graphics::EPosition pos = position();
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graphics::Path<float> p;
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if (pos & graphics::EPosAbove)
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{
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bh -= m_arrowHeight;
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p.reset(m2::PointF(-aw / 2, -ah));
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p.lineRel(m2::PointF(-bw / 2 + aw / 2, 0));
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p.lineRel(m2::PointF(0, -bh));
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p.lineRel(m2::PointF(bw, 0));
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p.lineRel(m2::PointF(0, bh));
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p.lineRel(m2::PointF(-bw / 2 + aw / 2, 0));
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p.lineRel(m2::PointF(-aw / 2, ah));
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p.lineRel(m2::PointF(-aw / 2, -ah));
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}
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else if (pos & graphics::EPosUnder)
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{
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bh -= m_arrowHeight;
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p.reset(m2::PointF(aw / 2, ah));
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p.lineRel(m2::PointF(bw / 2 - aw / 2, 0));
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p.lineRel(m2::PointF(0, bh));
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p.lineRel(m2::PointF(-bw, 0));
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p.lineRel(m2::PointF(0, -bh));
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p.lineRel(m2::PointF(bw / 2 - aw / 2, 0));
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p.lineRel(m2::PointF(aw / 2, -ah));
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p.lineRel(m2::PointF(aw / 2, ah));
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}
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graphics::Color c(0, 0, 0, 128);
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uint32_t colorID = cs->mapInfo(graphics::Brush::Info(c));
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cs->drawTrianglesFan(p.points(), p.size(), colorID, depth());
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cs->setDisplayList(0);
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cs->endFrame();
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}
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void Balloon::purge()
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{
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m_textView->purge();
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m_imageView->purge();
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m_displayList.reset();
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}
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void Balloon::setController(Controller * controller)
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{
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Element::setController(controller);
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m_textView->setController(controller);
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m_imageView->setController(controller);
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}
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void Balloon::draw(graphics::OverlayRenderer * r,
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math::Matrix<double, 3, 3> const & m) const
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{
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if (isVisible())
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{
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checkDirtyLayout();
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// r->drawRectangle(roughBoundRect(), graphics::Color(0, 0, 255, 128), depth());
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// r->drawRectangle(m_textView->roughBoundRect(), graphics::Color(0, 255, 255, 128), depth());
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// r->drawRectangle(m_imageView->roughBoundRect(), graphics::Color(0, 255, 0, 128), depth());
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math::Matrix<double, 3, 3> drawM = math::Shift(
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math::Identity<double, 3>(),
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pivot() * m);
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r->drawDisplayList(m_displayList.get(), drawM);
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m_textView->draw(r, m);
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m_imageView->draw(r, m);
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m2::RectD r1(pivot() * m, pivot() * m);
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r1.Inflate(2, 2);
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r->drawRectangle(r1, graphics::Color(255, 0, 0, 255), graphics::maxDepth);
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}
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}
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}
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78
gui/balloon.hpp
Normal file
78
gui/balloon.hpp
Normal file
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@ -0,0 +1,78 @@
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#pragma once
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#include "element.hpp"
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#include "text_view.hpp"
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#include "image_view.hpp"
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#include "../graphics/font_desc.hpp"
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#include "../graphics/image.hpp"
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#include "../base/string_utils.hpp"
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#include "../base/matrix.hpp"
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#include "../std/scoped_ptr.hpp"
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namespace graphics
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{
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class OverlayRenderer;
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}
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namespace gui
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{
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class Balloon : public Element
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{
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private:
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mutable vector<m2::AnyRectD> m_boundRects;
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void cache();
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void purge();
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void layout();
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scoped_ptr<TextView> m_textView;
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scoped_ptr<ImageView> m_imageView;
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scoped_ptr<graphics::DisplayList> m_displayList;
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string m_text;
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graphics::Image::Info m_image;
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double m_textMarginLeft;
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double m_textMarginTop;
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double m_textMarginRight;
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double m_textMarginBottom;
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double m_imageMarginLeft;
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double m_imageMarginTop;
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double m_imageMarginRight;
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double m_imageMarginBottom;
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double m_arrowHeight;
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double m_arrowWidth;
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double m_arrowAngle;
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public:
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struct Params : public Element::Params
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{
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string m_text;
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graphics::Image::Info m_image;
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double m_textMarginLeft;
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double m_textMarginTop;
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double m_textMarginRight;
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double m_textMarginBottom;
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double m_imageMarginLeft;
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double m_imageMarginTop;
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double m_imageMarginRight;
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double m_imageMarginBottom;
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Params();
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};
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Balloon(Params const & p);
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vector<m2::AnyRectD> const & boundRects() const;
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void draw(graphics::OverlayRenderer * r, math::Matrix<double, 3, 3> const & m) const;
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void setController(Controller * controller);
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void setPivot(m2::PointD const & pv);
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};
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}
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@ -14,6 +14,7 @@ HEADERS += \
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element.hpp \
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button.hpp \
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text_view.hpp \
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balloon.hpp \
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image_view.hpp \
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SOURCES += \
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@ -21,4 +22,5 @@ SOURCES += \
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element.cpp \
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button.cpp \
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text_view.cpp \
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balloon.cpp \
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image_view.cpp \
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