added polygon and polyline
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8354 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Kevin Hock
parent
3fb435df3a
commit
5143c96b4f
@ -19,6 +19,8 @@
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#include "wx/image.h"
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#include "wx/txtstrm.h"
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#include "wx/geometry.h"
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//----------------------------------------------------------------------------
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// decls
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@ -110,7 +112,7 @@ public:
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virtual bool IsHit( int x, int y, int margin );
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virtual wxCanvasObject* IsHitObject( int x, int y, int margin );
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void ExtendArea(int x, int y);
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void ExtendArea(double x, double y);
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inline int GetXMin() { return m_minx; }
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inline int GetYMin() { return m_miny; }
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@ -152,7 +154,7 @@ public:
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inline int GetPosX() { return m_x; }
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inline int GetPosY() { return m_y; }
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void ExtendArea(int x, int y);
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void ExtendArea(double x, double y);
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virtual wxCanvasObject* IsHitObject( int x, int y, int margin );
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protected:
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@ -172,6 +174,76 @@ protected:
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};
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//----------------------------------------------------------------------------
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// wxCanvasPolygon
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//----------------------------------------------------------------------------
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class wxCanvasPolygon: public wxCanvasObject
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{
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public:
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wxCanvasPolygon(int n, wxPoint2DDouble points[]);
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~wxCanvasPolygon();
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SetBrush(wxBrush& brush){m_brush = brush;};
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SetPen(wxPen& pen){m_pen = pen;};
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virtual void Recreate();
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virtual void Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height );
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virtual void WriteSVG( wxTextOutputStream &stream );
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private:
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void ExtendArea(double x, double y);
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wxBrush m_brush;
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wxPen m_pen;
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int m_n;
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wxPoint2DDouble* m_points;
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//bounding box
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double m_minx;
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double m_miny;
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double m_maxx;
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double m_maxy;
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bool m_validbounds;
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};
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//----------------------------------------------------------------------------
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// wxCanvasPolyline
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//----------------------------------------------------------------------------
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class wxCanvasPolyline: public wxCanvasObject
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{
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public:
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wxCanvasPolyline(int n, wxPoint2DDouble points[]);
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~wxCanvasPolyline();
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SetPen(wxPen& pen){m_pen = pen;};
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virtual void Recreate();
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virtual void Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height );
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virtual void WriteSVG( wxTextOutputStream &stream );
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private:
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void ExtendArea(double x, double y);
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wxPen m_pen;
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int m_n;
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wxPoint2DDouble* m_points;
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//bounding box
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double m_minx;
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double m_miny;
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double m_maxx;
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double m_maxy;
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bool m_validbounds;
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};
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//----------------------------------------------------------------------------
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// wxCanvasRect
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//----------------------------------------------------------------------------
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@ -153,7 +153,7 @@ void wxCanvasObjectGroup::SetOwner(wxCanvas* canvas)
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}
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}
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void wxCanvasObjectGroup::ExtendArea(int x, int y)
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void wxCanvasObjectGroup::ExtendArea(double x, double y)
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{
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if (m_validbounds)
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{
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@ -332,7 +332,7 @@ void wxCanvasObjectGroupRef::SetOwner(wxCanvas* canvas)
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m_group->SetOwner(canvas);
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}
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void wxCanvasObjectGroupRef::ExtendArea(int x, int y)
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void wxCanvasObjectGroupRef::ExtendArea(double x, double y)
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{
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if (m_validbounds)
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{
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@ -368,8 +368,8 @@ void wxCanvasObjectGroupRef::Recreate()
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void wxCanvasObjectGroupRef::Render(int xabs, int yabs, int x, int y, int width, int height )
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{
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xabs += m_owner->GetDeviceX(GetPosX());
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yabs += m_owner->GetDeviceY(GetPosY());
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xabs += m_owner->GetDeviceX(m_x);
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yabs += m_owner->GetDeviceY(m_y);
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int clip_x = xabs + m_group->GetXMin();
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int clip_width = m_group->GetXMax()-m_group->GetXMin();
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@ -423,20 +423,217 @@ void wxCanvasObjectGroupRef::Move( int x, int y )
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m_x = x;
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m_y = y;
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if (!m_isControl)
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int old_area_x = m_area.x;
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int old_area_y = m_area.y;
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m_area.x=m_owner->GetDeviceX( m_x + m_minx );
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m_area.y=m_owner->GetDeviceY( m_y + m_miny );
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int leftu,rightu,bottomu,topu ;
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leftu = wxMin (m_area.x, old_area_x ) ;
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rightu = wxMax (old_area_x + m_area.width, m_area.x + m_area.width) ;
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topu = wxMin (m_area.y,old_area_y) ;
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bottomu = wxMax (old_area_y + m_area.height, m_area.y + m_area.height) ;
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if ( rightu - leftu < 2*m_area.width && bottomu - topu < 2*m_area.height )
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{
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// TODO: sometimes faster to merge into 1 Update or
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// to break up into four
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m_owner->Update(m_area.x, m_area.y, m_area.width, m_area.height );
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//calculate the new area in pixels relative to the parent
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SetArea( m_owner->GetDeviceX( m_x + m_minx ),
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m_owner->GetDeviceY( m_y + m_miny ),
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m_owner->GetDeviceWidth( m_maxx-m_minx ),
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m_owner->GetDeviceHeight( m_maxy-m_miny ) );
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m_owner->Update(leftu,topu,rightu - leftu,bottomu - topu);
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}
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else
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{
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m_owner->Update(old_area_x, old_area_y, m_area.width, m_area.height );
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m_owner->Update( m_area.x, m_area.y, m_area.width, m_area.height );
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}
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}
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//----------------------------------------------------------------------------
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// wxCanvasPolyline
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//----------------------------------------------------------------------------
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wxCanvasPolyline::wxCanvasPolyline( int n, wxPoint2DDouble points[])
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: wxCanvasObject()
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{
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m_n = n;
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m_points = points;
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m_pen = wxPen(wxColour(0,0,0),1,wxSOLID);
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}
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wxCanvasPolyline::~wxCanvasPolyline()
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{
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delete m_points;
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}
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void wxCanvasPolyline::ExtendArea(double x, double y)
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{
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if (m_validbounds)
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{
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if (x < m_minx) m_minx = x;
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if (y < m_miny) m_miny = y;
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if (x > m_maxx) m_maxx = x;
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if (y > m_maxy) m_maxy = y;
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}
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else
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{
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m_validbounds = TRUE;
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m_minx = x;
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m_miny = y;
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m_maxx = x;
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m_maxy = y;
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}
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}
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void wxCanvasPolyline::Recreate()
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{
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m_validbounds=FALSE;
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int i;
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for (i=0; i < m_n;i++)
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{
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ExtendArea(m_points[i].m_x,m_points[i].m_y);
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}
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//include the pen width also
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ExtendArea(m_minx -m_pen.GetWidth(),m_miny-m_pen.GetWidth());
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ExtendArea(m_maxx+m_pen.GetWidth()*2,m_maxy+m_pen.GetWidth()*2);
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//set the area in pixels relative to the parent
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SetArea( m_owner->GetDeviceX(m_minx ),
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m_owner->GetDeviceY(m_miny ),
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m_owner->GetDeviceWidth( m_maxx-m_minx ),
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m_owner->GetDeviceHeight( m_maxy-m_miny ) );
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}
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void wxCanvasPolyline::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
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{
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int buffer_x = m_owner->GetBufferX();
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int buffer_y = m_owner->GetBufferY();
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int start_y = clip_y - buffer_y;
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int end_y = clip_y+clip_height - buffer_y;
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int start_x = clip_x - buffer_x;
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int end_x = clip_x+clip_width - buffer_x;
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#if IMAGE_CANVAS
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#else
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wxPoint *cpoints = new wxPoint[m_n];
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int i;
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for (i = 0; i < m_n; i++)
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{
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cpoints[i].x = m_owner->GetDeviceX(m_points[i].m_x+xabs);
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cpoints[i].y = m_owner->GetDeviceY(m_points[i].m_y+yabs);
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}
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wxMemoryDC *dc = m_owner->GetDC();
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dc->SetClippingRegion(start_x,start_y,end_x-start_x,end_y-start_y);
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dc->SetPen(m_pen);
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dc->DrawLines(m_n, cpoints, 0,0);
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delete [] cpoints;
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dc->SetPen(wxNullPen);
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dc->DestroyClippingRegion();
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#endif
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}
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void wxCanvasPolyline::WriteSVG( wxTextOutputStream &stream )
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{
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}
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//----------------------------------------------------------------------------
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// wxCanvasPolygon
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//----------------------------------------------------------------------------
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wxCanvasPolygon::wxCanvasPolygon( int n, wxPoint2DDouble points[])
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: wxCanvasObject()
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{
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m_n = n;
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m_points = points;
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m_brush = wxBrush(wxColour(0,0,0),wxSOLID);
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m_pen = wxPen(wxColour(0,0,0),1,wxSOLID);
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}
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wxCanvasPolygon::~wxCanvasPolygon()
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{
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delete m_points;
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}
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void wxCanvasPolygon::ExtendArea(double x, double y)
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{
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if (m_validbounds)
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{
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if (x < m_minx) m_minx = x;
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if (y < m_miny) m_miny = y;
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if (x > m_maxx) m_maxx = x;
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if (y > m_maxy) m_maxy = y;
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}
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else
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{
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m_validbounds = TRUE;
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m_minx = x;
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m_miny = y;
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m_maxx = x;
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m_maxy = y;
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}
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}
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void wxCanvasPolygon::Recreate()
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{
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m_validbounds=FALSE;
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int i;
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for (i=0; i < m_n;i++)
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{
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ExtendArea(m_points[i].m_x,m_points[i].m_y);
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}
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//include the pen width also
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ExtendArea(m_minx -m_pen.GetWidth(),m_miny-m_pen.GetWidth());
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ExtendArea(m_maxx+m_pen.GetWidth()*2,m_maxy+m_pen.GetWidth()*2);
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//set the area in pixels relative to the parent
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SetArea( m_owner->GetDeviceX( m_minx ),
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m_owner->GetDeviceY( m_miny ),
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m_owner->GetDeviceWidth( m_maxx-m_minx ),
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m_owner->GetDeviceHeight( m_maxy-m_miny ) );
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}
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void wxCanvasPolygon::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
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{
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int buffer_x = m_owner->GetBufferX();
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int buffer_y = m_owner->GetBufferY();
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int start_y = clip_y - buffer_y;
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int end_y = clip_y+clip_height - buffer_y;
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int start_x = clip_x - buffer_x;
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int end_x = clip_x+clip_width - buffer_x;
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#if IMAGE_CANVAS
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#else
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wxPoint *cpoints = new wxPoint[m_n];
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int i;
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for (i = 0; i < m_n; i++)
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{
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cpoints[i].x = m_owner->GetDeviceX(m_points[i].m_x+xabs);
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cpoints[i].y = m_owner->GetDeviceY(m_points[i].m_y+yabs);
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}
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wxMemoryDC *dc = m_owner->GetDC();
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dc->SetClippingRegion(start_x,start_y,end_x-start_x,end_y-start_y);
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dc->SetBrush(m_brush);
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dc->SetPen(m_pen);
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dc->DrawPolygon(m_n, cpoints, 0,0,wxWINDING_RULE);
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delete [] cpoints;
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dc->SetBrush(wxNullBrush);
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dc->SetPen(wxNullPen);
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dc->DestroyClippingRegion();
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#endif
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}
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void wxCanvasPolygon::WriteSVG( wxTextOutputStream &stream )
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{
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}
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//----------------------------------------------------------------------------
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// wxCanvasRect
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