#endif
#include "wx/canvas/canvas.h"
+#include "wx/canvas/polygon.h"
+#include "wx/canvas/liner.h"
#ifdef __WXGTK__
#include <gtk/gtk.h>
#endif
#ifndef wxUSE_FREETYPE
- #define wxUSE_FREETYPE 1
+ #define wxUSE_FREETYPE 0
#endif
#if wxUSE_FREETYPE
#include <freetype/freetype.h>
#endif
+//#define CANVASDEBUG
+
//----------------------------------------------------------------------------
// globals
//----------------------------------------------------------------------------
+const double pi = 3.1415926535;
+
#if wxUSE_FREETYPE
FT_Library g_freetypeLibrary;
#endif
// wxCanvasObject
//----------------------------------------------------------------------------
+IMPLEMENT_CLASS(wxCanvasObject, wxEvtHandler)
+
wxCanvasObject::wxCanvasObject()
{
- m_owner = NULL;
- m_area.x = -1;
- m_area.y = -1;
- m_area.width = -1;
- m_area.height = -1;
+ // the default event handler is just this object
+ m_eventHandler=this;
+ m_admin = NULL;
m_isControl = FALSE;
m_isVector = FALSE;
m_isImage = FALSE;
+ m_visible = TRUE;
+ m_dragmode = wxDRAG_ONTOP;
+// handy when debugging
+// m_dragmode = wxDRAG_RECTANGLE;
+ m_dragable = TRUE;
}
-void wxCanvasObject::SetArea( int x, int y, int width, int height )
+bool wxCanvasObject::ProcessCanvasObjectEvent(wxEvent& event)
{
- m_area.x = x;
- m_area.y = y;
- m_area.width = width;
- m_area.height = height;
+ return m_eventHandler->ProcessEvent(event);
}
-void wxCanvasObject::SetArea( wxRect rect )
+void wxCanvasObject::PushEventHandler(wxEvtHandler *handler)
{
- m_area.x = rect.x;
- m_area.y = rect.y;
- m_area.width = rect.width;
- m_area.height = rect.height;
+ handler->SetNextHandler(GetEventHandler());
+ m_eventHandler=handler;
}
-void wxCanvasObject::Move( int x, int y )
+wxEvtHandler *wxCanvasObject::PopEventHandler(bool deleteHandler)
{
- int old_x = m_area.x;
- int old_y = m_area.y;
-
- m_area.x = x;
- m_area.y = y;
+ wxEvtHandler *handlerA = m_eventHandler;
+ if ( handlerA )
+ {
+ wxEvtHandler *handlerB = handlerA->GetNextHandler();
+ handlerA->SetNextHandler((wxEvtHandler *)NULL);
+ m_eventHandler=handlerB;
+ if ( deleteHandler )
+ {
+ delete handlerA;
+ handlerA = (wxEvtHandler *)NULL;
+ }
+ }
+
+ return handlerA;
+}
+
+void wxCanvasObject::AppendEventHandler(wxEvtHandler *handler)
+{
+ GetEventHandler()->SetNextHandler(handler);
+}
+
+wxEvtHandler *wxCanvasObject::RemoveLastEventHandler(bool deleteHandler)
+{
+ //always the first in the row
+ wxEvtHandler *handlerA = m_eventHandler;
+ wxEvtHandler *handlerB=handlerA;
+ //goto the end
+ while ( handlerA->GetNextHandler() )
+ {
+ handlerB = handlerA;
+ handlerA = handlerA->GetNextHandler();
+ }
+
+ handlerB->SetNextHandler((wxEvtHandler *)NULL);
+ if ( deleteHandler )
+ {
+ delete handlerA;
+ }
+
+ return GetEventHandler();
+}
+
+wxRect wxCanvasObject::GetAbsoluteArea(const wxTransformMatrix& cworld)
+{
+ wxBoundingBox tmp=m_bbox;
+ tmp.MapBbox(cworld);
+
+ int x1 = m_admin->LogicalToDeviceX( tmp.GetMinX() );
+ int y1 = m_admin->LogicalToDeviceY( tmp.GetMinY() );
+ int x2 = m_admin->LogicalToDeviceX( tmp.GetMaxX() );
+ int y2 = m_admin->LogicalToDeviceY( tmp.GetMaxY() );
+
+ if (x1 > x2)
+ {
+ int tmp = x1;
+ x1 = x2;
+ x2 = tmp;
+ }
+ if (y1 > y2)
+ {
+ int tmp = y1;
+ y1 = y2;
+ y2 = tmp;
+ }
+
+ wxRect tmparea;
+ tmparea.x = x1;
+ tmparea.y = y1;
+ tmparea.width = x2-x1; // FIXME +1 ?
+ tmparea.height = y2-y1; // FIXME +1 ?
+
+ return tmparea;
+}
+
+void wxCanvasObject::MoveAbsolute( double x, double y )
+{
+ //save old position of boundingbox
+ double oldx = GetXMin();
+ double oldy = GetYMin();
+ double w = m_bbox.GetWidth();
+ double h = m_bbox.GetHeight();
+
+ SetPosXY(x,y);
+
+ double newx=GetXMin();
+ double newy=GetYMin();
+
+ double leftu,rightu,bottomu,topu ;
+ leftu = wxMin (oldx, newx ) ;
+ rightu = wxMax (oldx + w, newx + w) ;
+ topu = wxMin (oldy, newy) ;
+ bottomu = wxMax (oldy + h, newy + h) ;
+
+ if ( rightu - leftu < 2*w && bottomu - topu < 2*h )
+ {
+ m_admin->Update( this,leftu, topu, rightu - leftu, bottomu - topu);
+ }
+ else
+ {
+ m_admin->Update( this, oldx, oldy, w, h );
+ m_admin->Update( this, newx, newy, w, h );
+ }
+}
+
+void wxCanvasObject::MoveRelative( double x, double y )
+{
+ //save old position of boundingbox
+ double oldx = GetXMin();
+ double oldy = GetYMin();
+ double w = m_bbox.GetWidth();
+ double h = m_bbox.GetHeight();
+
+ TransLate(x,y);
+
+ double newx=GetXMin();
+ double newy=GetYMin();
+
+ double leftu,rightu,bottomu,topu ;
+ leftu = wxMin (oldx, newx ) ;
+ rightu = wxMax (oldx + w, newx + w) ;
+ topu = wxMin (oldy, newy) ;
+ bottomu = wxMax (oldy + h, newy + h) ;
+
+ if ( rightu - leftu < 2*w && bottomu - topu < 2*h )
+ {
+ m_admin->Update( this,leftu, topu, rightu - leftu, bottomu - topu);
+ }
+ else
+ {
+ m_admin->Update( this, oldx, oldy, w, h );
+ m_admin->Update( this, newx, newy, w, h );
+ }
+}
+
+
+void wxCanvasObject::DragStart()
+{
+ if (m_dragmode == wxDRAG_RECTANGLE)
+ {
+ this->SetVisible(FALSE);
+ wxTransformMatrix help;
+ double x = GetXMin();
+ double y = GetYMin();
+ double w = m_bbox.GetWidth();
+ double h = m_bbox.GetHeight();
+ m_admin->Update( this, x, y, w, h );
+ m_admin->UpdateNow();
+
+ wxRect recold=GetAbsoluteArea(help);
+ wxClientDC dc(m_admin->GetActive());
+ dc.SetPen(*wxBLACK_PEN);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+ dc.SetLogicalFunction(wxINVERT);
+ dc.DrawRectangle(recold);
+ dc.SetBrush(wxNullBrush);
+ dc.SetPen(wxNullPen);
+ }
+ else if (m_dragmode != wxDRAG_REDRAW)
+ {
+ this->SetVisible(FALSE);
+ wxTransformMatrix help;
+ double x = GetXMin();
+ double y = GetYMin();
+ double w = m_bbox.GetWidth();
+ double h = m_bbox.GetHeight();
+
+ wxRect recnew=GetAbsoluteArea(help);
+
+ //redraw in buffer what should be there without this object
+ m_admin->Update( this, x, y, w, h );
+ m_admin->GetActive()->Freeze();
+
+ //save the drawing (without the object itself to a bitmap)
+ m_atnewpos = wxBitmap(recnew.width,recnew.height);
+ wxMemoryDC dcm;
+ dcm.SelectObject(*m_admin->GetActive()->GetBuffer());
+ wxMemoryDC tmp;
+ tmp.SelectObject(m_atnewpos);
+ tmp.Blit(0,0,recnew.width,recnew.height,&dcm,recnew.x,recnew.y,wxCOPY,FALSE);
+ tmp.SelectObject(wxNullBitmap);
+ dcm.SelectObject(wxNullBitmap);
+ }
+}
+
+
+void wxCanvasObject::DragRelative( double x, double y)
+{
+ if (m_dragmode == wxDRAG_RECTANGLE)
+ {
+ wxTransformMatrix help;
+
+ wxRect recold=GetAbsoluteArea(help);
+
+ TransLate(x,y);
+
+ wxRect recnew=GetAbsoluteArea(help);
+
+ wxClientDC dc(m_admin->GetActive());
+ dc.SetPen(*wxBLACK_PEN);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+ dc.SetLogicalFunction(wxINVERT);
+ dc.DrawRectangle(recold);
+ dc.DrawRectangle(recnew);
+ dc.SetBrush(wxNullBrush);
+ dc.SetPen(wxNullPen);
+ }
+ else if (m_dragmode != wxDRAG_REDRAW)
+ {
+ wxClientDC dc(m_admin->GetActive());
+ wxMemoryDC tmp;
+
+ wxTransformMatrix help;
+ wxRect recold=GetAbsoluteArea(help);
+
+ //restore what was there (without the object itself)
+ wxMemoryDC dcm;
+ dcm.SelectObject(*m_admin->GetActive()->GetBuffer());
+ tmp.SelectObject(m_atnewpos);
+ dcm.Blit(recold.x,recold.y,recold.width,recold.height,&tmp,0,0,wxCOPY,FALSE);
+
+ TransLate(x,y);
+
+ wxRect recnew=GetAbsoluteArea(help);
+
+ //save the contents of the buffer at the new position
+ tmp.Blit(0,0,recnew.width,recnew.height,&dcm,recnew.x,recnew.y,wxCOPY,FALSE);
+ tmp.SelectObject(wxNullBitmap);
+
+ //m_atnewpos = m_admin->GetActive()->GetBuffer()->GetSubBitmap( recnew );
+
+ this->SetVisible(TRUE);
+ //redraw object into the buffer
+ m_admin->GetActive()->SetDC(&dcm);
+ Render(&help,recnew.x,recnew.y,recnew.width,recnew.height);
+
+ //draw the union or seperate to the canvas
+ double leftu,rightu,bottomu,topu ;
+ leftu = wxMin (recold.x, recnew.x ) ;
+ rightu = wxMax (recold.x + recold.width, recnew.x + recnew.width ) ;
+ topu = wxMin (recold.y, recnew.y) ;
+ bottomu = wxMax (recold.y + recold.height, recnew.y + recnew.height) ;
+
+ if ( rightu - leftu < 2*recold.width && bottomu - topu < 2*recold.height)
+ {
+ dc.Blit(leftu,topu,rightu - leftu,bottomu - topu,&dcm,leftu,topu,wxCOPY,FALSE);
+ }
+ else
+ {
+ //do them seperate
+ //first redraw what should be at the old position in the canvas
+ dc.Blit(recold.x,recold.y,recold.width,recold.height,&dcm,recold.x,recold.y,wxCOPY,FALSE);
+ //blit the new position of the object to the canvas
+ dc.Blit(recnew.x,recnew.y,recnew.width,recnew.height,&dcm,recnew.x,recnew.y,wxCOPY,FALSE);
+ }
+ dcm.SelectObject(wxNullBitmap);
+ this->SetVisible(FALSE);
+ }
+ else
+ MoveRelative(x,y);
+}
+
+
+void wxCanvasObject::DragEnd()
+{
+ m_atnewpos = wxBitmap(0,0);
+ m_admin->GetActive()->Thaw();
+ this->SetVisible(TRUE);
+ double x = GetXMin();
+ double y = GetYMin();
+ double w = m_bbox.GetWidth();
+ double h = m_bbox.GetHeight();
+ m_admin->Update( this, x, y, w, h );
+ m_admin->UpdateNow();
+}
- if (!m_isControl)
+wxCanvasObject* wxCanvasObject::IsHitWorld( double x, double y, double margin )
+{
+ if ((x >= m_bbox.GetMinX()-margin) &&
+ (x <= m_bbox.GetMaxX()+margin) &&
+ (y >= m_bbox.GetMinY()-margin) &&
+ (y <= m_bbox.GetMaxY()+margin))
{
- // TODO: sometimes faster to merge into 1 Update or
- // to break up into four
- m_owner->Update( old_x, old_y, m_area.width, m_area.height );
- m_owner->Update( x, y, m_area.width, m_area.height );
+ return this;
}
+
+ return (wxCanvasObject*) NULL;
}
-bool wxCanvasObject::IsHit( int x, int y, int margin )
+wxCanvasObject* wxCanvasObject::Contains( wxCanvasObject* obj )
{
- return ((x >= m_area.x-margin) &&
- (x <= m_area.x+m_area.width+margin) &&
- (y >= m_area.y-margin) &&
- (y <= m_area.y+m_area.height+margin));
+ if (obj == this)
+ return this;
+
+ return (wxCanvasObject*) NULL;
}
void wxCanvasObject::CaptureMouse()
{
- m_owner->SetCaptureMouse( this );
+ m_admin->GetActive()->SetCaptureMouse( this );
}
void wxCanvasObject::ReleaseMouse()
{
- m_owner->SetCaptureMouse( NULL );
+ m_admin->GetActive()->SetCaptureMouse( NULL );
}
bool wxCanvasObject::IsCapturedMouse()
{
- return m_owner->m_captureMouse==this;
+ return (m_admin->GetActive()->GetCaptured() == this);
}
-void wxCanvasObject::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
+void wxCanvasObject::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int clip_width, int clip_height )
{
}
-void wxCanvasObject::Recreate()
+void wxCanvasObject::CalcBoundingBox()
{
}
// wxCanvasObjectGroup
//----------------------------------------------------------------------------
-wxCanvasObjectGroup::wxCanvasObjectGroup()
+IMPLEMENT_CLASS(wxCanvasObjectGroup, wxCanvasObject)
+
+wxCanvasObjectGroup::wxCanvasObjectGroup(double x, double y)
{
- m_validbounds = FALSE;
+ lworld.Translate(x,y);
+ //no objects make the bounding box the x,y and take care of it later
+ m_bbox.Expand(x,y);
}
wxCanvasObjectGroup::~wxCanvasObjectGroup()
{
}
-void wxCanvasObjectGroup::SetOwner(wxCanvas* canvas)
+void wxCanvasObjectGroup::PushEventHandler(wxEvtHandler *handler)
+{
+ wxCanvasObject::PushEventHandler(handler);
+ wxNode *node = m_objects.First();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ obj->PushEventHandler(handler);
+
+ node = node->Next();
+ }
+}
+
+wxEvtHandler *wxCanvasObjectGroup::PopEventHandler(bool deleteHandler)
{
- m_owner=canvas;
wxNode *node = m_objects.First();
while (node)
{
wxCanvasObject *obj = (wxCanvasObject*) node->Data();
- obj->SetOwner(canvas);
+ obj->PopEventHandler(deleteHandler);
node = node->Next();
}
+ return wxCanvasObject::PopEventHandler(deleteHandler);
}
-void wxCanvasObjectGroup::ExtendArea(int x, int y)
+void wxCanvasObjectGroup::AppendEventHandler(wxEvtHandler *handler)
{
- if (m_validbounds)
+ wxCanvasObject::AppendEventHandler(handler);
+ wxNode *node = m_objects.First();
+ while (node)
{
- if (x < m_minx) m_minx = x;
- if (y < m_miny) m_miny = y;
- if (x > m_maxx) m_maxx = x;
- if (y > m_maxy) m_maxy = y;
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ obj->AppendEventHandler(handler);
+
+ node = node->Next();
}
- else
+}
+
+wxEvtHandler *wxCanvasObjectGroup::RemoveLastEventHandler(bool deleteHandler)
+{
+ wxNode *node = m_objects.First();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ obj->RemoveLastEventHandler(deleteHandler);
+
+ node = node->Next();
+ }
+ return wxCanvasObject::RemoveLastEventHandler(deleteHandler);
+}
+
+void wxCanvasObjectGroup::TransLate( double x, double y )
+{
+ lworld.Translate(x,y);
+ CalcBoundingBox();
+}
+
+void wxCanvasObjectGroup::SetAdmin(wxCanvasAdmin* admin)
+{
+ m_admin=admin;
+ wxNode *node = m_objects.First();
+ while (node)
{
- m_validbounds = TRUE;
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ obj->SetAdmin(admin);
- m_minx = x;
- m_miny = y;
- m_maxx = x;
- m_maxy = y;
+ node = node->Next();
}
}
void wxCanvasObjectGroup::DeleteContents( bool flag)
{
m_objects.DeleteContents( flag );
- m_validbounds = FALSE;
+ m_bbox.SetValid(FALSE);
+ CalcBoundingBox();
}
void wxCanvasObjectGroup::Prepend( wxCanvasObject* obj )
{
m_objects.Insert( obj );
- m_validbounds = FALSE;
+ if (m_objects.First())
+ {
+ m_bbox.Expand(obj->GetBbox());
+ }
+ else
+ {
+ m_bbox.SetValid(FALSE);
+ CalcBoundingBox();
+ }
}
void wxCanvasObjectGroup::Append( wxCanvasObject* obj )
{
m_objects.Append( obj );
- m_validbounds = FALSE;
+ if (m_objects.First())
+ {
+ m_bbox.Expand(obj->GetBbox());
+ }
+ else
+ {
+ m_bbox.SetValid(FALSE);
+ CalcBoundingBox();
+ }
}
void wxCanvasObjectGroup::Insert( size_t before, wxCanvasObject* obj )
{
m_objects.Insert( before, obj );
- m_validbounds = FALSE;
+ m_bbox.SetValid(FALSE);
+ if (m_objects.First())
+ {
+ m_bbox.Expand(obj->GetBbox());
+ }
+ else
+ {
+ m_bbox.SetValid(FALSE);
+ CalcBoundingBox();
+ }
}
void wxCanvasObjectGroup::Remove( wxCanvasObject* obj )
{
m_objects.DeleteObject( obj );
- m_validbounds = FALSE;
+ m_bbox.SetValid(FALSE);
+ CalcBoundingBox();
}
-void wxCanvasObjectGroup::Recreate()
+void wxCanvasObjectGroup::CalcBoundingBox()
{
- m_validbounds = FALSE;
+ m_bbox.SetValid(FALSE);
wxNode *node = m_objects.First();
while (node)
{
wxCanvasObject *obj = (wxCanvasObject*) node->Data();
- obj->Recreate();
- ExtendArea(obj->GetX(),obj->GetY());
- ExtendArea(obj->GetX()+obj->GetWidth(),obj->GetY()+obj->GetHeight());
+ obj->CalcBoundingBox();
+ wxBoundingBox tmp;
+ tmp=obj->GetBbox();
+ tmp.MapBbox(lworld);
+
+ m_bbox.Expand( tmp );
node = node->Next();
}
}
-void wxCanvasObjectGroup::Render(int xabs, int yabs, int x, int y, int width, int height )
+void wxCanvasObjectGroup::Render(wxTransformMatrix* cworld, int x, int y, int width, int height )
{
- // cycle through all objects
+ if (!m_visible) return;
+
+ wxTransformMatrix backup = *cworld;
+ *cworld *= lworld;
+
wxNode *node = m_objects.First();
+
+ if (!node) return;
+
+
+#ifdef CANVASDEBUG
+ wxRect absarea=GetAbsoluteArea(*cworld);
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->SetPen(*wxBLACK_PEN);
+ dc->SetBrush(*wxTRANSPARENT_BRUSH);
+ dc->DrawRectangle( absarea.x , absarea.y , absarea.width , absarea.height );
+ dc->SetBrush(wxNullBrush);
+ dc->SetPen(wxNullPen);
+#endif
+ //TODO the next will only work if all boundingboxes stay up to date (problem when mowing currently
+ /*
+ if (! ( wxMax(absarea.x, x) < wxMin(absarea.x + absarea.width , x + width ) &&
+ wxMax(absarea.y, y) < wxMin(absarea.y + absarea.height , y + height )
+ )
+ )
+ return;
+ */
+
+ // cycle through all objects
while (node)
{
wxCanvasObject *obj = (wxCanvasObject*) node->Data();
- if (!obj->IsControl())
+ if (!obj->IsControl() && obj->GetVisible())
{
+
+ //get area at the absolute position
+ wxRect absareaobject = obj->GetAbsoluteArea(*cworld);
+
// If we have 10.000 objects, we will go through
// this 10.000 times for each update, so we have
// to optimise carefully.
- int clip_x = xabs + obj->GetX();
- int clip_width = obj->GetWidth();
+ int clip_x = absareaobject.x;
+ int clip_width = absareaobject.width;
if (clip_x < x)
{
clip_width -= x-clip_x;
if (clip_width > 0)
{
- int clip_y = yabs + obj->GetY();
- int clip_height = obj->GetHeight();
+ int clip_y = absareaobject.y;
+ int clip_height = absareaobject.height;
if (clip_y < y)
{
clip_height -= y-clip_y;
clip_height = y+height-clip_y;
if (clip_height > 0)
- obj->Render(xabs,yabs, clip_x, clip_y, clip_width, clip_height );
+ {
+ obj->Render(cworld, clip_x, clip_y, clip_width, clip_height );
+ }
}
}
}
node = node->Next();
}
+ *cworld = backup;
}
void wxCanvasObjectGroup::WriteSVG( wxTextOutputStream &stream )
{
}
-bool wxCanvasObjectGroup::IsHit( int x, int y, int margin )
+wxCanvasObject* wxCanvasObjectGroup::IsHitWorld( double x, double y, double margin )
{
+ //KKKfirst check if within bbox
+ //will only work if they are always uptodate
+ //if (!m_bbox.PointInBox(x,y,margin))
+ // return (wxCanvasObject*) NULL;
+
+ wxTransformMatrix inverse = lworld;
+ double xh,yh;
+ inverse.Invert();
+ inverse.TransformPoint(x,y,xh,yh);
+
+ wxCanvasObject *obj=0;
wxNode *node = m_objects.Last();
while (node)
{
- wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+ obj=(wxCanvasObject*) node->Data();
- if (!obj->IsControl())
+ if (!obj->IsControl() )
{
- if (obj->IsHit(x,y,margin))
+ if (obj->IsHitWorld(xh,yh,margin))
{
- return true;
+ return obj;
}
}
node = node->Previous();
}
- return false;
+
+ return (wxCanvasObject*) NULL;
}
-wxCanvasObject* wxCanvasObjectGroup::IsHitObject( int x, int y, int margin )
+wxCanvasObject* wxCanvasObjectGroup::Contains( wxCanvasObject* obj )
{
- wxCanvasObject *obj=0;
- wxNode *node = m_objects.Last();
+ wxCanvasObject* cobj;
+ wxNode *node = m_objects.First();
while (node)
{
- obj=(wxCanvasObject*) node->Data();
+ cobj=(wxCanvasObject*) node->Data();
- if (!obj->IsControl())
+ if (cobj->Contains(obj))
{
- if (obj->IsHit(x,y,margin))
- {
- return obj;
- }
+ return obj;
}
- node = node->Previous();
+ node = node->Next();
}
-
+
return (wxCanvasObject*) NULL;
}
+int wxCanvasObjectGroup::IndexOf( wxCanvasObject* obj )
+{
+ return m_objects.IndexOf( obj );
+}
+
//----------------------------------------------------------------------------
-// wxCanvasObjectGroupRef
+// wxCanvasObjectRef
//----------------------------------------------------------------------------
-wxCanvasObjectGroupRef::wxCanvasObjectGroupRef(double x, double y, wxCanvasObjectGroup* group)
+IMPLEMENT_CLASS(wxCanvasObjectRef, wxCanvasObject)
+
+wxCanvasObjectRef::wxCanvasObjectRef(double x, double y, wxCanvasObject* obj)
: wxCanvasObject()
{
- m_x = x;
- m_y = y;
- m_validbounds=false;
- m_group=group;
+ lworld.Translate(x,y);
+ m_obj = obj;
+
+ m_bbox.SetValid(FALSE);
+ wxBoundingBox tmp;
+ tmp=obj->GetBbox();
+ tmp.MapBbox(lworld);
+ m_bbox.Expand( tmp );
+}
+
+void wxCanvasObjectRef::PushEventHandler(wxEvtHandler *handler)
+{
+ wxCanvasObject::PushEventHandler(handler);
+ m_obj->PushEventHandler(handler);
+}
+
+wxEvtHandler *wxCanvasObjectRef::PopEventHandler(bool deleteHandler)
+{
+ m_obj->PopEventHandler(deleteHandler);
+ return wxCanvasObject::PopEventHandler(deleteHandler);
+}
+
+void wxCanvasObjectRef::AppendEventHandler(wxEvtHandler *handler)
+{
+ wxCanvasObject::AppendEventHandler(handler);
+ m_obj->AppendEventHandler(handler);
+}
+
+wxEvtHandler *wxCanvasObjectRef::RemoveLastEventHandler(bool deleteHandler)
+{
+ m_obj->RemoveLastEventHandler(deleteHandler);
+ return wxCanvasObject::RemoveLastEventHandler(deleteHandler);
+}
+
+void wxCanvasObjectRef::TransLate( double x, double y )
+{
+ lworld.Translate(x,y);
+ CalcBoundingBox();
}
-void wxCanvasObjectGroupRef::SetOwner(wxCanvas* canvas)
+wxCanvasObject* wxCanvasObjectRef::Contains( wxCanvasObject* obj )
{
- m_owner=canvas;
- m_group->SetOwner(canvas);
+ if (obj == this || m_obj->Contains(obj))
+ return this;
+
+ return (wxCanvasObject*) NULL;
}
-void wxCanvasObjectGroupRef::ExtendArea(int x, int y)
+
+void wxCanvasObjectRef::SetRotation(double rotation)
{
- if (m_validbounds)
- {
- if ( x < m_minx ) m_minx = x;
- if ( y < m_miny ) m_miny = y;
- if ( x > m_maxx ) m_maxx = x;
- if ( y > m_maxy ) m_maxy = y;
- }
- else
- {
- m_validbounds = true;
+ lworld.SetRotation(rotation);
+ CalcBoundingBox();
+}
- m_minx = x;
- m_miny = y;
- m_maxx = x;
- m_maxy = y;
- }
+void wxCanvasObjectRef::SetScale(double scalex,double scaley)
+{
+ lworld.Scale(scalex,scaley,lworld.GetValue(2,0),lworld.GetValue(2,1));
+ CalcBoundingBox();
+}
+void wxCanvasObjectRef::SetAdmin(wxCanvasAdmin* admin)
+{
+ m_admin = admin;
+ m_obj->SetAdmin(admin);
}
-void wxCanvasObjectGroupRef::Recreate()
+void wxCanvasObjectRef::CalcBoundingBox()
{
- m_validbounds=false;
- m_group->Recreate();
- ExtendArea(m_group->GetXMin(),m_group->GetYMin());
- ExtendArea(m_group->GetXMax(),m_group->GetYMax());
+ m_bbox.SetValid(FALSE);
+ m_obj->CalcBoundingBox();
- //set the area in pixels relative to the parent
- SetArea( m_owner->GetDeviceX( m_x + m_minx ),
- m_owner->GetDeviceY( m_y + m_miny ),
- m_owner->GetDeviceWidth( m_maxx-m_minx ),
- m_owner->GetDeviceHeight( m_maxy-m_miny ) );
+ wxBoundingBox tmp;
+ tmp=m_obj->GetBbox();
+ tmp.MapBbox(lworld);
+ m_bbox.Expand( tmp );
}
-void wxCanvasObjectGroupRef::Render(int xabs, int yabs, int x, int y, int width, int height )
+void wxCanvasObjectRef::Render(wxTransformMatrix* cworld, int x, int y, int width, int height )
{
- xabs += m_owner->GetDeviceX(GetPosX());
- yabs += m_owner->GetDeviceY(GetPosY());
+ if (!m_visible) return;
+
+ //get the absolute area (without the local matrix included)
+ //the boundingbox is relative to the parent.
+ wxRect absarea=GetAbsoluteArea(*cworld);
- int clip_x = xabs + m_group->GetXMin();
- int clip_width = m_group->GetXMax()-m_group->GetXMin();
+ wxTransformMatrix backup = *cworld;
+ *cworld *= lworld;
+
+#ifdef CANVASDEBUG
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->SetPen(*wxBLACK_PEN);
+ dc->SetBrush(*wxTRANSPARENT_BRUSH);
+ dc->DrawRectangle( absarea.x , absarea.y , absarea.width , absarea.height );
+ dc->SetBrush(wxNullBrush);
+ dc->SetPen(wxNullPen);
+#endif
+
+ int clip_x = absarea.x;
+ int clip_width = absarea.width;
if (clip_x < x)
{
clip_width -= x-clip_x;
if (clip_width > 0)
{
- int clip_y = yabs + m_group->GetYMin();
- int clip_height = m_group->GetYMax()-m_group->GetYMin();
+ int clip_y = absarea.y;
+ int clip_height = absarea.height;
if (clip_y < y)
{
clip_height -= y-clip_y;
clip_height = y+height-clip_y;
if (clip_height > 0)
- m_group->Render(xabs,yabs, clip_x, clip_y, clip_width, clip_height );
+ m_obj->Render(cworld, clip_x, clip_y, clip_width, clip_height );
}
}
}
-}
-void wxCanvasObjectGroupRef::WriteSVG( wxTextOutputStream &stream )
-{
+ *cworld = backup;
}
-bool wxCanvasObjectGroupRef::IsHit( int x, int y, int margin )
+void wxCanvasObjectRef::WriteSVG( wxTextOutputStream &stream )
{
- return m_group->IsHit(x-GetPosX(),y-GetPosY(),margin);
}
-wxCanvasObject* wxCanvasObjectGroupRef::IsHitObject( int x, int y, int margin )
+wxCanvasObject* wxCanvasObjectRef::IsHitWorld( double x, double y, double margin )
{
- return m_group->IsHitObject(x-GetPosX(),y-GetPosY(),margin);
-}
+ //KKKfirst check if within bbox
+ //will only work if they are always uptodate
+ //if (!m_bbox.PointInBox(x,y,margin))
+ // return (wxCanvasObject*) NULL;
-void wxCanvasObjectGroupRef::Move( int x, int y )
-{
- m_x = x;
- m_y = y;
+ wxTransformMatrix inverse = lworld;
+ double xh,yh;
+ inverse.Invert();
+ inverse.TransformPoint(x,y,xh,yh);
- if (!m_isControl)
- {
- // TODO: sometimes faster to merge into 1 Update or
- // to break up into four
- m_owner->Update(m_area.x, m_area.y, m_area.width, m_area.height );
- //calculate the new area in pixels relative to the parent
- SetArea( m_owner->GetDeviceX( m_x + m_minx ),
- m_owner->GetDeviceY( m_y + m_miny ),
- m_owner->GetDeviceWidth( m_maxx-m_minx ),
- m_owner->GetDeviceHeight( m_maxy-m_miny ) );
- m_owner->Update( m_area.x, m_area.y, m_area.width, m_area.height );
- }
+ if (m_obj->IsHitWorld(xh,yh,margin))
+ return this;
+
+ return (wxCanvasObject*) NULL;
}
+
//----------------------------------------------------------------------------
// wxCanvasRect
//----------------------------------------------------------------------------
-wxCanvasRect::wxCanvasRect( double x, double y, double w, double h,
- unsigned char red, unsigned char green, unsigned char blue )
+IMPLEMENT_CLASS(wxCanvasRect, wxCanvasObject)
+
+wxCanvasRect::wxCanvasRect( double x, double y, double w, double h , double radius )
: wxCanvasObject()
{
m_x = x;
m_y = y;
m_width = w;
m_height = h;
+ m_radius = radius;
- m_red = red;
- m_green = green;
- m_blue = blue;
+ m_brush = *wxBLACK_BRUSH;
+ m_pen = *wxTRANSPARENT_PEN;
+ CalcBoundingBox();
}
-void wxCanvasRect::Recreate()
+void wxCanvasRect::TransLate( double x, double y )
{
- SetArea( m_owner->GetDeviceX( m_x ),
- m_owner->GetDeviceY( m_y ),
- m_owner->GetDeviceWidth( m_width ),
- m_owner->GetDeviceHeight( m_height ) );
+ m_x += x;
+ m_y += y;
+ CalcBoundingBox();
}
-void wxCanvasRect::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
+void wxCanvasRect::CalcBoundingBox()
{
- wxImage *image = m_owner->GetBuffer();
- int buffer_x = m_owner->GetBufferX();
- int buffer_y = m_owner->GetBufferY();
+ m_bbox.SetMin( m_x , m_y);
+ m_bbox.SetMax( m_x + m_width ,m_y + m_height );
- int start_y = clip_y - buffer_y;
- int end_y = clip_y+clip_height - buffer_y;
+ //include the pen width also
+//KKK m_bbox.EnLarge(m_pen.GetWidth()+m_radius);
+ m_bbox.EnLarge(m_pen.GetWidth()/2);
+}
- int start_x = clip_x - buffer_x;
- int end_x = clip_x+clip_width - buffer_x;
+void wxCanvasRect::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int clip_width, int clip_height )
+{
+ if (!m_visible) return;
- // speed up later
- for (int y = start_y; y < end_y; y++)
- for (int x = start_x; x < end_x; x++)
- image->SetRGB( x, y, m_red, m_green, m_blue );
+ if (cworld->GetRotation())
+ {
+ wxPoint *cpoints = new wxPoint[4];
+ double x;
+ double y;
+ cworld->TransformPoint( m_x, m_y, x, y );
+ cpoints[0].x = m_admin->LogicalToDeviceX(x);
+ cpoints[0].y = m_admin->LogicalToDeviceY(y);
+ cworld->TransformPoint( m_x , m_y + m_height, x, y );
+ cpoints[1].x = m_admin->LogicalToDeviceX(x);
+ cpoints[1].y = m_admin->LogicalToDeviceY(y);
+ cworld->TransformPoint( m_x + m_width, m_y + m_height, x, y );
+ cpoints[2].x = m_admin->LogicalToDeviceX(x);
+ cpoints[2].y = m_admin->LogicalToDeviceY(y);
+ cworld->TransformPoint( m_x + m_width, m_y , x, y );
+ cpoints[3].x = m_admin->LogicalToDeviceX(x);
+ cpoints[3].y = m_admin->LogicalToDeviceY(y);
+
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->SetClippingRegion(clip_x, clip_y, clip_width, clip_height);
+ dc->SetBrush(m_brush);
+ int pw=m_pen.GetWidth();
+ m_pen.SetWidth(m_admin->LogicalToDeviceXRel(pw));
+ dc->SetPen(m_pen);
+ dc->DrawPolygon(4, cpoints, 0,0,wxWINDING_RULE);
+ delete [] cpoints;
+ dc->SetBrush(wxNullBrush);
+ dc->SetPen(wxNullPen);
+ dc->DestroyClippingRegion();
+ m_pen.SetWidth(pw);
+ }
+ else
+ {
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->SetClippingRegion(clip_x, clip_y, clip_width, clip_height);
+ dc->SetBrush(m_brush);
+ int pw=m_pen.GetWidth();
+ m_pen.SetWidth(m_admin->LogicalToDeviceXRel(pw));
+ dc->SetPen(m_pen);
+ //yes the whole not only the clipping region, because we have a pen also
+ int x = m_admin->LogicalToDeviceX(cworld->GetValue(2,0) + m_x );
+ int y = m_admin->LogicalToDeviceY(cworld->GetValue(2,1) + m_y );
+ int w = m_admin->LogicalToDeviceXRel( m_width );
+ int h = m_admin->LogicalToDeviceYRel( m_height );
+ int r = m_admin->LogicalToDeviceYRel( m_radius );
+ if (w > 0 && w < 1) w=1;
+ if (w < 0 && w > -1) w=-1;
+ if (h > 0 && h < 1) h=1;
+ if (h < 0 && h > -1) h=-1;
+ if (m_radius)
+ dc->DrawRoundedRectangle( x,y,w,h,r);
+ else
+ dc->DrawRectangle( x,y,w,h);
+ dc->SetBrush(wxNullBrush);
+ dc->SetPen(wxNullPen);
+ dc->DestroyClippingRegion();
+ m_pen.SetWidth(pw);
+ }
}
void wxCanvasRect::WriteSVG( wxTextOutputStream &stream )
}
//----------------------------------------------------------------------------
-// wxCanvasLine
+// wxCanvasCircle
//----------------------------------------------------------------------------
-wxCanvasLine::wxCanvasLine( double x1, double y1, double x2, double y2,
- unsigned char red, unsigned char green, unsigned char blue )
+wxCanvasCircle::wxCanvasCircle( double x, double y, double radius )
: wxCanvasObject()
{
- m_x1 = x1;
- m_y1 = y1;
- m_x2 = x2;
- m_y2 = y2;
+ m_x = x;
+ m_y = y;
+ m_radius = radius;
- m_red = red;
- m_green = green;
- m_blue = blue;
+ m_brush = *wxBLACK_BRUSH;
+ m_pen = *wxTRANSPARENT_PEN;
+ CalcBoundingBox();
}
-void wxCanvasLine::Recreate()
+void wxCanvasCircle::TransLate( double x, double y )
{
- int x1 = m_owner->GetDeviceX( m_x1 );
- int y1 = m_owner->GetDeviceY( m_y1 );
- int x2 = m_owner->GetDeviceX( m_x2 );
- int y2 = m_owner->GetDeviceY( m_y2 );
- if (x1 > x2)
- {
- int tmp = x1;
- x1 = x2;
- x2 = tmp;
- }
- if (y1 > y2)
+ m_x += x;
+ m_y += y;
+ CalcBoundingBox();
+}
+
+void wxCanvasCircle::CalcBoundingBox()
+{
+ m_bbox.SetMin( m_x-m_radius , m_y-m_radius );
+ m_bbox.SetMax( m_x+m_radius , m_y+m_radius );
+
+ //include the pen width also
+ m_bbox.EnLarge(m_pen.GetWidth()/2);
+}
+
+void wxCanvasCircle::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int clip_width, int clip_height )
+{
+ if (!m_visible) return;
+
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->SetClippingRegion(clip_x, clip_y, clip_width, clip_height);
+ dc->SetBrush(m_brush);
+ int pw=m_pen.GetWidth();
+ m_pen.SetWidth(m_admin->LogicalToDeviceXRel(pw));
+ dc->SetPen(m_pen);
+ //yes the whole not only the clipping region, because we have a pen also
+ //and rotation on a circle is not important so only a shift with cworld
+ int x = m_admin->LogicalToDeviceX(cworld->GetValue(2,0) + m_x );
+ int y = m_admin->LogicalToDeviceY(cworld->GetValue(2,1) + m_y );
+ int radius = m_admin->LogicalToDeviceXRel( m_radius );
+ if (radius < 1) radius=1;
+ dc->DrawCircle( x,y,radius);
+ dc->SetBrush(wxNullBrush);
+ dc->SetPen(wxNullPen);
+ dc->DestroyClippingRegion();
+ m_pen.SetWidth(pw);
+}
+
+void wxCanvasCircle::WriteSVG( wxTextOutputStream &stream )
+{
+}
+
+wxCanvasObject* wxCanvasCircle::IsHitWorld( double x, double y, double margin )
+{
+ if ((x >= m_bbox.GetMinX()-margin) &&
+ (x <= m_bbox.GetMaxX()+margin) &&
+ (y >= m_bbox.GetMinY()-margin) &&
+ (y <= m_bbox.GetMaxY()+margin)
+ )
{
- int tmp = y1;
- y1 = y2;
- y2 = tmp;
+ if (m_radius+m_pen.GetWidth()/2+margin > sqrt(pow(m_x-x,2)+pow(m_y-y,2)))
+ return this;
+ else
+ return (wxCanvasObject*) NULL;
}
- SetArea( x1, y1, x2-x1+1, y2-y1+1 );
+ return (wxCanvasObject*) NULL;
}
-void wxCanvasLine::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
+//----------------------------------------------------------------------------
+// wxCanvasEllipse
+//----------------------------------------------------------------------------
+
+wxCanvasEllipse::wxCanvasEllipse( double x, double y, double width, double height )
+ : wxCanvasObject()
+{
+ m_x = x;
+ m_y = y;
+ m_width = width;
+ m_height = height;
+
+ m_brush = *wxBLACK_BRUSH;
+ m_pen = *wxTRANSPARENT_PEN;
+ CalcBoundingBox();
+}
+
+void wxCanvasEllipse::TransLate( double x, double y )
+{
+ m_x += x;
+ m_y += y;
+ CalcBoundingBox();
+}
+
+void wxCanvasEllipse::CalcBoundingBox()
+{
+ m_bbox.SetMin( m_x, m_y );
+ m_bbox.SetMax( m_x+m_width , m_y+m_height );
+
+ //include the pen width also
+ m_bbox.EnLarge(m_pen.GetWidth()/2);
+}
+
+void wxCanvasEllipse::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int clip_width, int clip_height )
+{
+ if (!m_visible) return;
+
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->SetClippingRegion(clip_x, clip_y, clip_width, clip_height);
+ dc->SetBrush(m_brush);
+ int pw=m_pen.GetWidth();
+ m_pen.SetWidth(m_admin->LogicalToDeviceXRel(pw));
+ dc->SetPen(m_pen);
+ int x = m_admin->LogicalToDeviceX(cworld->GetValue(2,0) + m_x );
+ int y = m_admin->LogicalToDeviceY(cworld->GetValue(2,1) + m_y );
+ int w = m_admin->LogicalToDeviceXRel( m_width );
+ int h = m_admin->LogicalToDeviceYRel( m_height );
+ if (w > 0 && w < 1) w=1;
+ if (w < 0 && w > -1) w=-1;
+ if (h > 0 && h < 1) h=1;
+ if (h < 0 && h > -1) h=-1;
+ dc->DrawEllipse( x,y,w,h);
+ dc->SetBrush(wxNullBrush);
+ dc->SetPen(wxNullPen);
+ dc->DestroyClippingRegion();
+ m_pen.SetWidth(pw);
+}
+
+void wxCanvasEllipse::WriteSVG( wxTextOutputStream &stream )
{
- wxImage *image = m_owner->GetBuffer();
- int buffer_x = m_owner->GetBufferX();
- int buffer_y = m_owner->GetBufferY();
+}
- if ((m_area.width == 0) && (m_area.height == 0))
+wxCanvasObject* wxCanvasEllipse::IsHitWorld( double x, double y, double margin )
+{
+ if ((x >= m_bbox.GetMinX()-margin) &&
+ (x <= m_bbox.GetMaxX()+margin) &&
+ (y >= m_bbox.GetMinY()-margin) &&
+ (y <= m_bbox.GetMaxY()+margin)
+ )
{
- image->SetRGB( m_area.x-buffer_x, m_area.y-buffer_y, m_red, m_green, m_blue );
+ double a=(m_width+m_pen.GetWidth())/2+margin ;
+ double b=(m_height+m_pen.GetWidth())/2+margin;
+ double c=pow((m_x+m_width/2-x)/a,2)+pow((m_y+m_height/2-y)/b,2);
+ if ( 1 > c)
+ return this;
+ else
+ return (wxCanvasObject*) NULL;
}
+ return (wxCanvasObject*) NULL;
+}
+
+//----------------------------------------------------------------------------
+// wxCanvasEllipticArc
+//----------------------------------------------------------------------------
+
+wxCanvasEllipticArc::wxCanvasEllipticArc( double x, double y, double width, double height, double start, double end )
+ : wxCanvasObject()
+{
+ m_x = x;
+ m_y = y;
+ m_width = width;
+ m_height = height;
+ m_start = start;
+ m_end = end;
+
+ m_brush = *wxBLACK_BRUSH;
+ m_pen = *wxTRANSPARENT_PEN;
+ CalcBoundingBox();
+}
+
+void wxCanvasEllipticArc::TransLate( double x, double y )
+{
+ m_x += x;
+ m_y += y;
+ CalcBoundingBox();
+}
+
+void wxCanvasEllipticArc::CalcBoundingBox()
+{
+ m_bbox.SetMin( m_x, m_y );
+ m_bbox.SetMax( m_x+m_width , m_y+m_height );
+
+ //include the pen width also
+ m_bbox.EnLarge(m_pen.GetWidth()/2);
+}
+
+void wxCanvasEllipticArc::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int clip_width, int clip_height )
+{
+ if (!m_visible) return;
+
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->SetClippingRegion(clip_x, clip_y, clip_width, clip_height);
+ dc->SetBrush(m_brush);
+ int pw=m_pen.GetWidth();
+ m_pen.SetWidth(m_admin->LogicalToDeviceXRel(pw));
+ dc->SetPen(m_pen);
+ int x = m_admin->LogicalToDeviceX(cworld->GetValue(2,0) + m_x );
+ int y = m_admin->LogicalToDeviceY(cworld->GetValue(2,1) + m_y );
+ int w = m_admin->LogicalToDeviceXRel( m_width );
+ int h = m_admin->LogicalToDeviceYRel( m_height );
+ if (w > 0 && w < 1) w=1;
+ if (w < 0 && w > -1) w=-1;
+ if (h > 0 && h < 1) h=1;
+ if (h < 0 && h > -1) h=-1;
+ if (m_admin->GetActive()->GetYaxis())
+ dc->DrawEllipticArc( x,y,w,h,-m_end,-m_start);
else
+ dc->DrawEllipticArc( x,y,w,h,m_start,m_end);
+ dc->SetBrush(wxNullBrush);
+ dc->SetPen(wxNullPen);
+ dc->DestroyClippingRegion();
+ m_pen.SetWidth(pw);
+}
+
+void wxCanvasEllipticArc::WriteSVG( wxTextOutputStream &stream )
+{
+}
+
+wxCanvasObject* wxCanvasEllipticArc::IsHitWorld( double x, double y, double margin )
+{
+ if ((x >= m_bbox.GetMinX()-margin) &&
+ (x <= m_bbox.GetMaxX()+margin) &&
+ (y >= m_bbox.GetMinY()-margin) &&
+ (y <= m_bbox.GetMaxY()+margin)
+ )
{
- int x1 = xabs + m_owner->GetDeviceX( m_x1 );
- int y1 = yabs + m_owner->GetDeviceY( m_y1 );
- int x2 = xabs + m_owner->GetDeviceX( m_x2 );
- int y2 = yabs + m_owner->GetDeviceY( m_y2 );
+ double a=(m_width+m_pen.GetWidth())/2+margin ;
+ double b=(m_height+m_pen.GetWidth())/2+margin;
+ double c=pow((m_x+m_width/2-x)/a,2)+pow((m_y+m_height/2-y)/b,2);
+ if ( 1 > c)
+ return this;
+ else
+ return (wxCanvasObject*) NULL;
+ }
+ return (wxCanvasObject*) NULL;
+}
+
+//----------------------------------------------------------------------------
+// wxCanvasLine
+//----------------------------------------------------------------------------
+
+wxCanvasLine::wxCanvasLine( double x1, double y1, double x2, double y2 )
+ : wxCanvasObject()
+{
+ m_x1 = x1;
+ m_y1 = y1;
+ m_x2 = x2;
+ m_y2 = y2;
- wxInt32 d, ii, jj, di, ai, si, dj, aj, sj;
- di = x1 - x2;
- ai = abs(di) << 1;
- si = (di < 0)? -1 : 1;
- dj = y1 - y2;
- aj = abs(dj) << 1;
- sj = (dj < 0)? -1 : 1;
+ m_pen = *wxBLACK_PEN;
+ CalcBoundingBox();
+}
- ii = x2;
- jj = y2;
+void wxCanvasLine::TransLate( double x, double y )
+{
+ m_x1 += x;
+ m_y1 += y;
+ m_x2 += x;
+ m_y2 += y;
+ CalcBoundingBox();
+}
- if (ai > aj)
- {
- // iterate over i
- d = aj - (ai >> 1);
+void wxCanvasLine::CalcBoundingBox()
+{
+ m_bbox.SetMin( m_x1 , m_y1);
+ m_bbox.SetMax( m_x2 , m_y2);
- while (ii != x1)
- {
- if ((ii >= clip_x) && (ii < clip_x+clip_width) &&
- (jj >= clip_y) && (jj < clip_y+clip_height))
- {
- image->SetRGB( ii-buffer_x, jj-buffer_y, m_red, m_blue, m_green );
- }
- if (d >= 0)
- {
- jj += sj;
- d -= ai;
- }
- ii += si;
- d += aj;
- }
- }
- else
- {
- // iterate over j
- d = ai - (aj >> 1);
+ //include the pen width also
+ m_bbox.EnLarge(m_pen.GetWidth()/2);
+}
- while (jj != y1)
- {
- if ((ii >= clip_x) && (ii < clip_x+clip_width) &&
- (jj >= clip_y) && (jj < clip_y+clip_height))
- {
- image->SetRGB( ii-buffer_x, jj-buffer_y, m_red, m_blue, m_green );
- }
- if (d >= 0)
- {
- ii += si;
- d -= aj;
- }
- jj += sj;
- d += ai;
- }
- }
- }
+void wxCanvasLine::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int clip_width, int clip_height )
+{
+ if (!m_visible) return;
+
+ double x1,y1,x2,y2;
+ cworld->TransformPoint( m_x1, m_y1, x1, y1 );
+ cworld->TransformPoint( m_x2, m_y2, x2, y2 );
+ x1 = m_admin->LogicalToDeviceX( x1 );
+ y1 = m_admin->LogicalToDeviceY( y1 );
+ x2 = m_admin->LogicalToDeviceX( x2 );
+ y2 = m_admin->LogicalToDeviceY( y2 );
+
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->SetClippingRegion( clip_x, clip_y, clip_width, clip_height );
+ int pw=m_pen.GetWidth();
+ m_pen.SetWidth(m_admin->LogicalToDeviceXRel(pw));
+ dc->SetPen( m_pen );
+ dc->DrawLine( x1, y1, x2, y2 );
+
+ dc->DestroyClippingRegion();
+ m_pen.SetWidth(pw);
}
void wxCanvasLine::WriteSVG( wxTextOutputStream &stream )
// no idea
}
+wxCanvasObject* wxCanvasLine::IsHitWorld( double x, double y, double margin )
+{
+ if ((x >= m_bbox.GetMinX()-margin) &&
+ (x <= m_bbox.GetMaxX()+margin) &&
+ (y >= m_bbox.GetMinY()-margin) &&
+ (y <= m_bbox.GetMaxY()+margin)
+ )
+ {
+ wxLine line1(m_x1,m_y1,m_x2,m_y2);
+ wxPoint2DDouble P=wxPoint2DDouble(x,y);
+ double distance;
+ if (line1.PointInLine(P,distance,m_pen.GetWidth()/2+margin) == R_IN_AREA)
+ return this;
+ else
+ return (wxCanvasObject*) NULL;
+ }
+ return (wxCanvasObject*) NULL;
+}
+
//----------------------------------------------------------------------------
// wxCanvasImage
//----------------------------------------------------------------------------
m_height = h;
m_image = image;
+
+ m_orgw = m_image.GetWidth();
+ m_orgh = m_image.GetHeight();
+
m_isImage = TRUE;
+ CalcBoundingBox();
+}
+
+void wxCanvasImage::SetPosXY( double x, double y)
+{
+ m_x = x;
+ m_y = y;
+ CalcBoundingBox();
}
-void wxCanvasImage::Recreate()
+void wxCanvasImage::TransLate( double x, double y )
{
- SetArea( m_owner->GetDeviceX( m_x ),
- m_owner->GetDeviceY( m_y ),
- m_owner->GetDeviceWidth( m_width ),
- m_owner->GetDeviceHeight( m_height ) );
+ m_x += x;
+ m_y += y;
+ CalcBoundingBox();
+}
- if ((m_area.width == m_image.GetWidth()) &&
- (m_area.width == m_image.GetWidth()))
- m_tmp = m_image;
- else
- m_tmp = m_image.Scale( m_area.width, m_area.height );
+void wxCanvasImage::CalcBoundingBox()
+{
+ m_bbox.SetMin( m_x, m_y );
+ m_bbox.SetMax( m_x + m_width, m_y + m_height );
}
-void wxCanvasImage::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
+void wxCanvasImage::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int clip_width, int clip_height )
{
- int buffer_x = m_owner->GetBufferX();
- int buffer_y = m_owner->GetBufferY();
+ if (!m_visible) return;
+
+ wxRect tmparea;
+
+ tmparea.x = m_admin->LogicalToDeviceXRel( m_bbox.GetMinX());
+ tmparea.y = m_admin->LogicalToDeviceYRel( m_bbox.GetMinY());
+ tmparea.width = m_admin->LogicalToDeviceXRel( m_bbox.GetWidth() );
+ tmparea.height = m_admin->LogicalToDeviceYRel( m_bbox.GetHeight() );
+
+ double x;
+ double y;
+ cworld->TransformPoint( m_x, m_y, x, y );
+ x = m_admin->LogicalToDeviceX(x);
+ y = m_admin->LogicalToDeviceY(y);
+
+
+ // What is this???
+ if ( m_orgw*5 < m_admin->LogicalToDeviceXRel( m_bbox.GetWidth() ) ||
+ m_orgw/5 > m_admin->LogicalToDeviceXRel( m_bbox.GetWidth() ) ||
+ m_orgh*5 < m_admin->LogicalToDeviceYRel( m_bbox.GetHeight() ) ||
+ m_orgh/5 > m_admin->LogicalToDeviceYRel( m_bbox.GetHeight() )
+ )
+ {
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->SetClippingRegion(clip_x, clip_y, clip_width, clip_height);
+ dc->SetBrush(*wxTRANSPARENT_BRUSH);
+ dc->SetPen(*wxBLACK_PEN);
+ //yes the whole not only the clipping region, because we have a pen also
+ int x = m_admin->LogicalToDeviceX(cworld->GetValue(2,0) + m_x );
+ int y = m_admin->LogicalToDeviceY(cworld->GetValue(2,1) + m_y );
+ int w = m_admin->LogicalToDeviceXRel( m_width );
+ int h = m_admin->LogicalToDeviceYRel( m_height );
+ if (w < 1) w=1;
+ if (h < 1) h=1;
+ dc->DrawRectangle( x,y,w,h);
+ dc->SetBrush(wxNullBrush);
+ dc->SetPen(wxNullPen);
+ dc->DestroyClippingRegion();
+ return;
+ }
+
+ wxImage tmp;
+ bool is_cashed = FALSE;
+
+ if (m_cImage.Ok() && (m_cW == m_bbox.GetWidth()) && (m_cH == m_bbox.GetHeight()))
+ {
+ // use cached image
+ tmp = m_cImage;
+ is_cashed = TRUE;
+ }
+ else
+ {
+ if ((m_admin->LogicalToDeviceXRel( m_bbox.GetWidth() ) == m_image.GetWidth()) &&
+ (m_admin->LogicalToDeviceYRel( m_bbox.GetHeight() ) == m_image.GetHeight()))
+ {
+ tmp = m_image;
+ }
+ else
+ {
+ tmp = m_image.Scale( m_admin->LogicalToDeviceXRel( m_bbox.GetWidth()),
+ m_admin->LogicalToDeviceYRel( m_bbox.GetHeight()) );
+ }
+
+ // create cached image
+ m_cImage = tmp;
+ m_cW = tmp.GetWidth();
+ m_cH = tmp.GetHeight();
+ }
+
+// wxPoint centr(m_admin->LogicalToDeviceX(m_x),m_admin->LogicalToDeviceY(m_y));
+ wxPoint centr(0,0);
+
+ wxBitmap bmp;
+
+ if (m_cBitmap.Ok() && is_cashed && (m_cR == cworld->GetRotation()))
+ {
+ bmp = m_cBitmap;
+ }
+ else
+ {
+ if (cworld->GetRotation())
+ tmp = tmp.Rotate(-cworld->GetRotation()/180.0 * pi, centr, TRUE, NULL );
+
+ bmp = wxBitmap(tmp);
+
+ // create cached bitmap
+ m_cBitmap = bmp;
+ m_cR = cworld->GetRotation();
+ }
- if ((clip_x == xabs + m_area.x) &&
- (clip_y == yabs + m_area.y) &&
- (clip_width == m_area.width) &&
- (clip_height == m_area.height))
+ wxDC *dc = m_admin->GetActive()->GetDC();
+
+ wxPoint centr2;
+ if (cworld->GetRotation()> 0)
{
- m_owner->GetBuffer()->Paste( m_tmp, clip_x-buffer_x, clip_y-buffer_y );
+ centr2.x= (int) (x+m_height*sin(-cworld->GetRotation()/180.0 * pi));
+ centr2.y= (int) y;
}
else
{
- // local coordinates
- int start_x = clip_x - (xabs + m_area.x);
- int start_y = clip_y - (yabs + m_area.y);
+ centr2.x= (int) x;
+ centr2.y= (int) (y-m_width*sin(-cworld->GetRotation()/180.0 * pi));
+ }
- wxRect rect( start_x, start_y, clip_width, clip_height );
- wxImage sub_image( m_tmp.GetSubImage( rect ) );
- m_owner->GetBuffer()->Paste( sub_image, clip_x-buffer_x, clip_y-buffer_y );
+ if (cworld->GetRotation() != 0)
+ {
+ //TODO clipping not right
+ dc->DrawBitmap(bmp,centr2,TRUE );
+// dc->DrawPoint(centr2);
+// dc->DrawPoint(x,y);
+ }
+ else
+ {
+ dc->SetClippingRegion( clip_x, clip_y, clip_width, clip_height );
+ dc->DrawBitmap( bmp, x, y, TRUE );
+ dc->DestroyClippingRegion();
}
}
{
m_isControl = TRUE;
m_control = control;
+ CalcBoundingBox();
+}
+
+double wxCanvasControl::GetPosX()
+{
+ int x,y ;
+ m_control->GetPosition( &x, &y );
+ return m_admin->DeviceToLogicalX(x);
+}
+
+double wxCanvasControl::GetPosY()
+{
+ int x,y ;
+ m_control->GetPosition( &x, &y );
+ return m_admin->DeviceToLogicalY(y);
+}
+
+void wxCanvasControl::SetPosXY( double x, double y)
+{
+ int xd = m_admin->LogicalToDeviceX(x);
+ int yd = m_admin->LogicalToDeviceY(y);
+ m_control->Move(xd,yd);
+}
+
+
+void wxCanvasControl::TransLate( double x, double y )
+{
+ int xdo,ydo;
+ m_control->GetPosition( &xdo, &ydo );
+ int xd = m_admin->LogicalToDeviceX(x)-xdo;
+ int yd = m_admin->LogicalToDeviceY(y)-ydo;
+ m_control->Move(xd,yd);
+ CalcBoundingBox();
}
wxCanvasControl::~wxCanvasControl()
m_control->Destroy();
}
-void wxCanvasControl::Recreate()
+void wxCanvasControl::CalcBoundingBox()
{
- m_control->GetSize( &m_area.width, &m_area.height );
- m_control->GetPosition( &m_area.x, &m_area.y );
+ wxRect tmparea;
+
+ m_control->GetSize( &tmparea.width, &tmparea.height );
+ m_control->GetPosition( &tmparea.x, &tmparea.y );
+
+ m_bbox.SetMin( tmparea.x , tmparea.y);
+ m_bbox.SetMax( tmparea.x + tmparea.width , tmparea.y + tmparea.height);
+
}
-void wxCanvasControl::Move( int x, int y )
+void wxCanvasControl::MoveRelative( double x, double y )
{
- m_control->Move( x, y );
+ m_control->Move( m_admin->LogicalToDeviceX(x), m_admin->LogicalToDeviceX(y) );
}
//----------------------------------------------------------------------------
m_fontFileName,
0,
&(data->m_face) );
-
+
error = FT_Set_Char_Size( data->m_face,
0,
m_size*64,
96, // screen dpi
96 );
#endif
+ CalcBoundingBox();
}
wxCanvasText::~wxCanvasText()
m_flag = flag;
}
-void wxCanvasText::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
+void wxCanvasText::Render(wxTransformMatrix* cworld, int clip_x, int clip_y, int clip_width, int clip_height )
{
+ if (!m_visible) return;
+
+ wxRect tmparea;
+ tmparea.x = m_admin->LogicalToDeviceX( m_bbox.GetMinX());
+ tmparea.y = m_admin->LogicalToDeviceY( m_bbox.GetMinY());
+ tmparea.width = m_admin->LogicalToDeviceXRel( m_bbox.GetWidth() );
+ tmparea.height = m_admin->LogicalToDeviceYRel( m_bbox.GetHeight() );
+
+ m_alpha = new unsigned char[tmparea.width*tmparea.height];
+ memset( m_alpha, 0, tmparea.width*tmparea.height );
+
if (!m_alpha) return;
- wxImage *image = m_owner->GetBuffer();
- int buffer_x = m_owner->GetBufferX();
- int buffer_y = m_owner->GetBufferY();
+#if wxUSE_FREETYPE
+ FT_Face face = ((wxFaceData*)m_faceData)->m_face;
+ FT_GlyphSlot slot = face->glyph;
+ int pen_x = 0;
+ int pen_y = m_size;
+
+ for (int n = 0; n < (int)m_text.Len(); n++)
+ {
+ FT_UInt index = FT_Get_Char_Index( face, m_text[(unsigned int)n] );
+
+ int error = FT_Load_Glyph( face, index, FT_LOAD_DEFAULT );
+ if (error) continue;
+
+ error = FT_Render_Glyph( face->glyph, ft_render_mode_normal );
+ if (error) continue;
+
+ FT_Bitmap *bitmap = &slot->bitmap;
+ unsigned char* buffer = bitmap->buffer;
+ for (int y = 0; y < bitmap->rows; y++)
+ for (int x = 0; x < bitmap->width; x++)
+ {
+ unsigned char alpha = buffer[ y*bitmap->pitch + x ];
+ if (alpha == 0) continue;
+
+ int xx = pen_x + slot->bitmap_left + x;
+ int yy = pen_y - slot->bitmap_top + y;
+ m_alpha[ yy * tmparea.width + xx ] = alpha;
+ }
+
+ pen_x += slot->advance.x >> 6;
+ pen_y += slot->advance.y >> 6;
+ }
+#endif
+
+ wxBitmap *bitmap = m_admin->GetActive()->GetBuffer();
+ wxRect sub_rect( clip_x, clip_y, clip_width, clip_height );
+ wxBitmap sub_bitmap( bitmap->GetSubBitmap( sub_rect ) );
+
+ wxImage image( sub_bitmap.ConvertToImage() );
// local coordinates
- int start_x = clip_x - m_area.x;
+ int start_x = clip_x - tmparea.x;
int end_x = clip_width + start_x;
- int start_y = clip_y - m_area.y;
+ int start_y = clip_y - tmparea.y;
int end_y = clip_height + start_y;
for (int y = start_y; y < end_y; y++)
for (int x = start_x; x < end_x; x++)
{
- int alpha = m_alpha[y*m_area.width + x];
+ int alpha = m_alpha[y*tmparea.width + x];
if (alpha)
{
- int image_x = m_area.x+x - buffer_x;
- int image_y = m_area.y+y - buffer_y;
+ int image_x = x - start_x;
+ int image_y = y - start_y;
if (alpha == 255)
{
- image->SetRGB( image_x, image_y, m_red, m_green, m_blue );
+ image.SetRGB( image_x, image_y, m_red, m_green, m_blue );
continue;
}
int red1 = (m_red * alpha) / 255;
int blue1 = (m_blue * alpha) / 255;
alpha = 255-alpha;
- int red2 = image->GetRed( image_x, image_y );
- int green2 = image->GetGreen( image_x, image_y );
- int blue2 = image->GetBlue( image_x, image_y );
+ int red2 = image.GetRed( image_x, image_y );
+ int green2 = image.GetGreen( image_x, image_y );
+ int blue2 = image.GetBlue( image_x, image_y );
red2 = (red2 * alpha) / 255;
green2 = (green2 * alpha) / 255;
blue2 = (blue2 * alpha) / 255;
- image->SetRGB( image_x, image_y, red1+red2, green1+green2, blue1+blue2 );
+ image.SetRGB( image_x, image_y, red1+red2, green1+green2, blue1+blue2 );
}
}
+
+ sub_bitmap = wxBitmap(image);
+
+ wxDC *dc = m_admin->GetActive()->GetDC();
+ dc->DrawBitmap( sub_bitmap, clip_x, clip_y );
}
void wxCanvasText::WriteSVG( wxTextOutputStream &stream )
{
}
-void wxCanvasText::Recreate()
+void wxCanvasText::TransLate( double x, double y )
+{
+ m_x += x;
+ m_y += y;
+ CalcBoundingBox();
+}
+
+void wxCanvasText::CalcBoundingBox()
{
if (m_alpha) delete [] m_alpha;
- m_area.x = m_owner->GetDeviceX( m_x );
- m_area.y = m_owner->GetDeviceY( m_y );
+ m_bbox.SetMin( m_x , m_y);
+ m_bbox.SetMax( m_x + 100 , m_y + m_size + (m_size/2));
- m_area.width = 100; // TODO, calculate length
- m_area.height = m_size;
- m_alpha = new unsigned char[100*m_size];
- memset( m_alpha, 0, m_area.width*m_area.height );
-#if wxUSE_FREETYPE
- FT_Face face = ((wxFaceData*)m_faceData)->m_face;
- FT_GlyphSlot slot = face->glyph;
- int pen_x = 0;
- int pen_y = m_size;
+}
- for (int n = 0; n < (int)m_text.Len(); n++)
- {
- FT_UInt index = FT_Get_Char_Index( face, m_text[n] );
+//----------------------------------------------------------------------------
+// wxCanvas
+//----------------------------------------------------------------------------
- int error = FT_Load_Glyph( face, index, FT_LOAD_DEFAULT );
- if (error) continue;
+IMPLEMENT_CLASS(wxCanvas,wxScrolledWindow)
- error = FT_Render_Glyph( face->glyph, ft_render_mode_normal );
- if (error) continue;
+BEGIN_EVENT_TABLE(wxCanvas,wxScrolledWindow)
+ EVT_PAINT( wxCanvas::OnPaint )
+ EVT_IDLE( wxCanvas::OnIdle )
+ EVT_SIZE( wxCanvas::OnSize )
+ EVT_MOUSE_EVENTS( wxCanvas::OnMouse )
+ EVT_SET_FOCUS( wxCanvas::OnSetFocus )
+ EVT_KILL_FOCUS( wxCanvas::OnKillFocus )
+ EVT_ERASE_BACKGROUND( wxCanvas::OnEraseBackground )
+END_EVENT_TABLE()
- FT_Bitmap *bitmap = &slot->bitmap;
- unsigned char* buffer = bitmap->buffer;
- for (int y = 0; y < bitmap->rows; y++)
- for (int x = 0; x < bitmap->width; x++)
- {
- unsigned char alpha = buffer[ y*bitmap->pitch + x ];
- if (alpha == 0) continue;
-
- int xx = pen_x + slot->bitmap_left + x;
- int yy = pen_y - slot->bitmap_top + y;
- m_alpha[ yy * m_area.width + xx ] = alpha;
- }
-
- pen_x += slot->advance.x >> 6;
- pen_y += slot->advance.y >> 6;
- }
-#endif
-}
-
-//----------------------------------------------------------------------------
-// wxCanvas
-//----------------------------------------------------------------------------
-
-IMPLEMENT_CLASS(wxCanvas,wxScrolledWindow)
-
-BEGIN_EVENT_TABLE(wxCanvas,wxScrolledWindow)
- EVT_CHAR( wxCanvas::OnChar )
- EVT_PAINT( wxCanvas::OnPaint )
- EVT_SIZE( wxCanvas::OnSize )
- EVT_IDLE( wxCanvas::OnIdle )
- EVT_MOUSE_EVENTS( wxCanvas::OnMouse )
- EVT_SET_FOCUS( wxCanvas::OnSetFocus )
- EVT_KILL_FOCUS( wxCanvas::OnKillFocus )
- EVT_ERASE_BACKGROUND( wxCanvas::OnEraseBackground )
-END_EVENT_TABLE()
-
-wxCanvas::wxCanvas( wxWindow *parent, wxWindowID id,
+wxCanvas::wxCanvas( wxCanvasAdmin* admin, wxWindow *parent, wxWindowID id,
const wxPoint &position, const wxSize& size, long style ) :
wxScrolledWindow( parent, id, position, size, style )
{
+ // These are unused in wxVectorCanvas
m_bufferX = 0;
m_bufferY = 0;
+
+ m_admin = admin;
+ m_admin->Append( this );
+
m_needUpdate = FALSE;
- m_red = 0;
- m_green = 0;
- m_blue = 0;
+ m_background = *wxWHITE;
m_lastMouse = (wxCanvasObject*)NULL;
m_captureMouse = (wxCanvasObject*)NULL;
- m_frozen = TRUE;
- m_requestNewBuffer = TRUE;
-
- //root group always at 0,0
- m_root = new wxCanvasObjectGroup();
- m_root->DeleteContents( TRUE );
- m_root->SetOwner(this);
+ m_frozen = FALSE;
+ m_oldDeviceX = 0;
+ m_oldDeviceY = 0;
+ m_root = (wxCanvasObjectGroup*)NULL;
}
wxCanvas::~wxCanvas()
}
}
-void wxCanvas::SetArea( int width, int height )
+double wxCanvas::GetMinX() const
{
- SetScrollbars( 10, 10, width/10, height/10 );
+ return 0.0;
}
-void wxCanvas::SetColour( unsigned char red, unsigned char green, unsigned char blue )
+double wxCanvas::GetMinY() const
{
- m_red = red;
- m_green = green;
- m_blue = blue;
+ return 0.0;
+}
- SetBackgroundColour( wxColour( red, green, blue ) );
+double wxCanvas::GetMaxX() const
+{
+ int width;
+ GetVirtualSize( &width, NULL );
+ return width;
+}
- if (m_frozen) return;
+double wxCanvas::GetMaxY() const
+{
+ int height;
+ GetVirtualSize( NULL, &height );
+ return height;
+}
- unsigned char *data = m_buffer.GetData();
+void wxCanvas::SetColour( const wxColour& background )
+{
+ m_background = background;
+ SetBackgroundColour( m_background );
- for (int y = 0; y < m_buffer.GetHeight(); y++)
- for (int x = 0; x < m_buffer.GetWidth(); x++)
- {
- data[0] = red;
- data++;
- data[0] = green;
- data++;
- data[0] = blue;
- data++;
- }
+ if (m_frozen) return;
+
+ wxMemoryDC dc;
+ dc.SelectObject( m_buffer );
+ dc.SetPen( *wxTRANSPARENT_PEN );
+ wxBrush brush( m_background, wxSOLID );
+ dc.SetBrush( brush );
+ dc.DrawRectangle( 0, 0, m_buffer.GetWidth(), m_buffer.GetHeight() );
+ dc.SelectObject( wxNullBitmap );
}
void wxCanvas::SetCaptureMouse( wxCanvasObject *obj )
void wxCanvas::Update( int x, int y, int width, int height, bool blit )
{
+ CalcScrolledPosition( 0, 0, &m_oldDeviceX, &m_oldDeviceY );
+
+ m_admin->SetActive(this);
+
+ if (!m_root) return;
+
if (m_frozen) return;
// clip to buffer
width -= m_bufferX-x;
x = m_bufferX;
}
- if (width < 0) return;
+ if (width <= 0) return;
if (y < m_bufferY)
{
height -= m_bufferY-y;
y = m_bufferY;
}
- if (height < 0) return;
+ if (height <= 0) return;
if (x+width > m_bufferX+m_buffer.GetWidth())
{
width = m_bufferX+m_buffer.GetWidth() - x;
}
- if (width < 0) return;
+ if (width <= 0) return;
if (y+height > m_bufferY+m_buffer.GetHeight())
{
height = m_bufferY+m_buffer.GetHeight() - y;
}
- if (height < 0) return;
+ if (height <= 0) return;
// update is within the buffer
m_needUpdate = TRUE;
(wxObject*) new wxRect( x,y,width,height ) );
}
- // speed up with direct access, maybe add wxImage::Clear(x,y,w,h,r,g,b)
- int start_y = y - m_bufferY;
- int end_y = y+height - m_bufferY;
- int start_x = x - m_bufferX;
- int end_x = x+width - m_bufferX;
- for (int yy = start_y; yy < end_y; yy++)
- for (int xx = start_x; xx < end_x; xx++)
- m_buffer.SetRGB( xx, yy, m_red, m_green, m_blue );
+ wxTransformMatrix cworld;
+
+ wxMemoryDC dc;
+ dc.SelectObject( m_buffer );
+
+ dc.SetPen( *wxTRANSPARENT_PEN );
+ wxBrush brush( m_background, wxSOLID );
+ dc.SetBrush( brush );
+ dc.SetLogicalFunction(wxCOPY);
+
+#if 0
+ if (width != m_buffer.GetWidth() && height != m_buffer.GetHeight())
+ {
+ dc.SetClippingRegion(x,y,width,height);
+ dc.DrawRectangle(x-2,y-2,width+4,height+4);
+ dc.DestroyClippingRegion();
+ }
+ else
+ {
+ dc.Clear();
+ dc.DrawRectangle(0,0,m_buffer.GetWidth(),m_buffer.GetHeight());
+ }
+#else
+ // No idea, what the code up there does.
+ dc.DrawRectangle( x-m_bufferX, y-m_bufferY, width, height );
+#endif
+
+ dc.SetBrush(wxNullBrush);
+ dc.SetPen(wxNullPen);
+
+ dc.SetDeviceOrigin( m_oldDeviceX, m_oldDeviceY );
+ m_renderDC = &dc;
- m_root->Render(0,0, x, y, width, height );
+ m_root->Render( &cworld, x, y, width, height );
+ m_renderDC = NULL;
+ dc.SelectObject( wxNullBitmap );
}
void wxCanvas::BlitBuffer( wxDC &dc )
while (node)
{
wxRect *rect = (wxRect*) node->Data();
-
- wxRect sub_rect( *rect );
- sub_rect.x -= m_bufferX;
- sub_rect.y -= m_bufferY;
-
- wxImage sub_image( m_buffer.GetSubImage( sub_rect ) );
-
-#ifdef __WXGTK__
- int bpp = wxDisplayDepth();
- if (bpp > 8)
- {
- // the init code is doubled in wxImage
- static bool s_hasInitialized = FALSE;
-
- if (!s_hasInitialized)
- {
- gdk_rgb_init();
- s_hasInitialized = TRUE;
- }
-
- gdk_draw_rgb_image( GTK_PIZZA(m_wxwindow)->bin_window,
- m_wxwindow->style->black_gc,
- sub_rect.x, sub_rect.y,
- sub_image.GetWidth(), sub_image.GetHeight(),
- GDK_RGB_DITHER_NONE,
- sub_image.GetData(),
- sub_image.GetWidth()*3 );
- }
- else
- {
- wxBitmap bitmap( sub_image.ConvertToBitmap() );
- dc.DrawBitmap( bitmap, rect->x, rect->y );
- }
-#endif
-
-#ifndef __WXGTK__
- wxBitmap bitmap( sub_image.ConvertToBitmap() );
- dc.DrawBitmap( bitmap, rect->x, rect->y );
-#endif
+
+ wxMemoryDC mdc;
+ mdc.SelectObject( m_buffer );
+ dc.Blit( rect->x,
+ rect->y,
+ rect->width,
+ rect->height,
+ &mdc,
+ rect->x - m_bufferX,
+ rect->y - m_bufferY );
+ mdc.SelectObject( wxNullBitmap );
delete rect;
m_updateRects.DeleteNode( node );
BlitBuffer( dc );
}
-int wxCanvas::GetDeviceX( double x )
-{
- return (int) x;
-}
-
-int wxCanvas::GetDeviceY( double y )
-{
- return (int) y;
-}
-
-int wxCanvas::GetDeviceWidth( double width )
-{
- return (int) width;
-}
-
-int wxCanvas::GetDeviceHeight( double height )
-{
- return (int) height;
-}
-
-void wxCanvas::Recreate()
-{
- m_root->Recreate();
-}
-
-void wxCanvas::Prepend( wxCanvasObject* obj )
-{
- m_root->Prepend( obj );
- obj->SetOwner(this);
-
- m_root->Recreate();
-
- if (!obj->IsControl())
- Update( obj->GetX(), obj->GetY(), obj->GetWidth(), obj->GetHeight() );
-}
-
-void wxCanvas::Append( wxCanvasObject* obj )
-{
- m_root->Append( obj );
- obj->SetOwner(this);
-
- m_root->Recreate();
-
- if (!obj->IsControl())
- Update( obj->GetX(), obj->GetY(), obj->GetWidth(), obj->GetHeight() );
-}
-
-void wxCanvas::Insert( size_t before, wxCanvasObject* obj )
+void wxCanvas::OnSize(wxSizeEvent &event)
{
- m_root->Insert( before, obj );
- obj->SetOwner(this);
+ int w,h;
+ GetClientSize( &w, &h );
+ m_buffer = wxBitmap( w, h );
- m_root->Recreate();
+ CalcUnscrolledPosition( 0, 0, &m_bufferX, &m_bufferY );
- if (!obj->IsControl())
- Update( obj->GetX(), obj->GetY(), obj->GetWidth(), obj->GetHeight() );
-}
+ wxNode *node = m_updateRects.First();
+ while (node)
+ {
+ wxRect *rect = (wxRect*) node->Data();
+ delete rect;
+ m_updateRects.DeleteNode( node );
+ node = m_updateRects.First();
+ }
-void wxCanvas::Remove( wxCanvasObject* obj )
-{
- int x = obj->GetX();
- int y = obj->GetY();
- int w = obj->GetWidth();
- int h = obj->GetHeight();
- bool ic = obj->IsControl();
+ m_frozen = FALSE;
- m_root->Remove( obj );
+ Update( m_bufferX, m_bufferY, m_buffer.GetWidth(), m_buffer.GetHeight(), FALSE );
- if (!ic)
- Update( x, y, w, h );
+ event.Skip();
}
void wxCanvas::OnPaint(wxPaintEvent &event)
if ((w > 0) && (h > 0))
{
- CalcUnscrolledPosition( x, y, &x, &y );
+ x += m_bufferX;
+ y += m_bufferY;
m_updateRects.Append( (wxObject*) new wxRect( x, y, w, h ) );
}
void wxCanvas::ScrollWindow( int dx, int dy, const wxRect* rect )
{
// If any updates are pending, do them now since they will
- // expect the previous m_bufferX and m_bufferY values.
- UpdateNow();
+ // expect the previous m_bufferX and m_bufferY as well as
+ // the previous device origin values.
+ wxClientDC dc( this );
+ dc.SetDeviceOrigin( m_oldDeviceX, m_oldDeviceY );
+ BlitBuffer( dc );
// The buffer always starts at the top left corner of the
// client area. Indeed, it is the client area.
CalcUnscrolledPosition( 0, 0, &m_bufferX, &m_bufferY );
+
+ // Update everything.
+ Update( m_bufferX, m_bufferY, m_buffer.GetWidth(), m_buffer.GetHeight(), FALSE );
- unsigned char* data = m_buffer.GetData();
-
- if (dy != 0)
- {
- if (dy > 0)
- {
- unsigned char *source = data;
- unsigned char *dest = data + (dy * m_buffer.GetWidth() * 3);
- size_t count = (size_t) (m_buffer.GetWidth() * 3 * (m_buffer.GetHeight()-dy));
- memmove( dest, source, count );
-
- // We update the new buffer area, but there is no need to
- // blit (last param FALSE) since the ensuing paint event will
- // do that anyway.
- Update( m_bufferX, m_bufferY, m_buffer.GetWidth(), dy, FALSE );
- }
- else
- {
- unsigned char *dest = data;
- unsigned char *source = data + (-dy * m_buffer.GetWidth() * 3);
- size_t count = (size_t) (m_buffer.GetWidth() * 3 * (m_buffer.GetHeight()+dy));
- memmove( dest, source, count );
-
- // We update the new buffer area, but there is no need to
- // blit (last param FALSE) since the ensuing paint event will
- // do that anyway.
- Update( m_bufferX, m_bufferY+m_buffer.GetHeight()+dy, m_buffer.GetWidth(), -dy, FALSE );
- }
- }
-
- if (dx != 0)
- {
- if (dx > 0)
- {
- unsigned char *source = data;
- for (int y = 0; y < m_buffer.GetHeight(); y++)
- {
- unsigned char *dest = source + dx*3;
- memmove( dest, source, (m_buffer.GetWidth()-dx) * 3 );
- source += m_buffer.GetWidth()*3;
- }
-
- // We update the new buffer area, but there is no need to
- // blit (last param FALSE) since the ensuing paint event will
- // do that anyway.
- Update( m_bufferX, m_bufferY, dx, m_buffer.GetHeight(), FALSE );
- }
- else
- {
- unsigned char *dest = data;
- for (int y = 0; y < m_buffer.GetHeight(); y++)
- {
- unsigned char *source = dest - dx*3;
- memmove( dest, source, (m_buffer.GetWidth()+dx) * 3 );
- dest += m_buffer.GetWidth()*3;
- }
-
- // We update the new buffer area, but there is no need to
- // blit (last param FALSE) since the ensuing paint event will
- // do that anyway.
- Update( m_bufferX+m_buffer.GetWidth()+dx, m_bufferY, -dx, m_buffer.GetHeight(), FALSE );
- }
- }
-
+ // Scroll, actually.
wxWindow::ScrollWindow( dx, dy, rect );
}
void wxCanvas::OnMouse(wxMouseEvent &event)
{
+ m_admin->SetActive(this);
+ if (!m_root)
+ {
+ event.Skip();
+ return;
+ }
+
int x = event.GetX();
int y = event.GetY();
- CalcUnscrolledPosition( x, y, &x, &y );
+
+ //to world coordinates to do hit test in world coordinates
+ double xw = DeviceToLogicalX( x );
+ double yw = DeviceToLogicalY( y );
+
+ //make a select margin of 2 pixels, so also zero line thickness will be hit
+ double margin = DeviceToLogicalXRel( 2 );
if (event.GetEventType() == wxEVT_MOTION)
{
{
wxMouseEvent child_event( wxEVT_MOTION );
child_event.SetEventObject(m_captureMouse);
- child_event.m_x = x - m_captureMouse->GetX();
- child_event.m_y = y - m_captureMouse->GetY();
+ child_event.m_x = x;
+ child_event.m_y = y;
child_event.m_leftDown = event.m_leftDown;
child_event.m_rightDown = event.m_rightDown;
child_event.m_middleDown = event.m_middleDown;
child_event.m_shiftDown = event.m_shiftDown;
child_event.m_altDown = event.m_altDown;
child_event.m_metaDown = event.m_metaDown;
- m_captureMouse->ProcessEvent( child_event );
+
+ m_captureMouse->ProcessCanvasObjectEvent( child_event );
+ return;
}
else
{
- wxCanvasObject *obj = m_root->IsHitObject(x,y,0);
+ wxCanvasObject *obj = m_root->IsHitWorld(xw,yw,margin);
if (obj && !obj->IsControl())
{
wxMouseEvent child_event( wxEVT_MOTION );
child_event.SetEventObject( obj );
- child_event.m_x = x - obj->GetX();
- child_event.m_y = y - obj->GetY();
+ child_event.m_x = x;
+ child_event.m_y = y;
child_event.m_leftDown = event.m_leftDown;
child_event.m_rightDown = event.m_rightDown;
child_event.m_middleDown = event.m_middleDown;
{
child_event.SetEventType( wxEVT_LEAVE_WINDOW );
child_event.SetEventObject( m_lastMouse );
- child_event.m_x = x - m_lastMouse->GetX();
- child_event.m_y = y - m_lastMouse->GetY();
- m_lastMouse->ProcessEvent( child_event );
+ child_event.m_x = x;
+ child_event.m_y = y;
+ m_lastMouse->ProcessCanvasObjectEvent( child_event );
m_lastMouse = obj;
child_event.SetEventType( wxEVT_ENTER_WINDOW );
child_event.SetEventObject( m_lastMouse );
- child_event.m_x = x - m_lastMouse->GetX();
- child_event.m_y = y - m_lastMouse->GetY();
- m_lastMouse->ProcessEvent( child_event );
+ child_event.m_x = x;
+ child_event.m_y = y;
+ m_lastMouse->ProcessCanvasObjectEvent( child_event );
child_event.SetEventType( wxEVT_MOTION );
child_event.SetEventObject( obj );
}
- obj->ProcessEvent( child_event );
+
+ obj->ProcessCanvasObjectEvent( child_event );
return;
}
}
{
wxMouseEvent child_event( wxEVT_LEAVE_WINDOW );
child_event.SetEventObject( m_lastMouse );
- child_event.m_x = x - m_lastMouse->GetX();
- child_event.m_y = y - m_lastMouse->GetY();
+ child_event.m_x = x;
+ child_event.m_y = y;
child_event.m_leftDown = event.m_leftDown;
child_event.m_rightDown = event.m_rightDown;
child_event.m_middleDown = event.m_middleDown;
child_event.m_shiftDown = event.m_shiftDown;
child_event.m_altDown = event.m_altDown;
child_event.m_metaDown = event.m_metaDown;
- m_lastMouse->ProcessEvent( child_event );
+ m_lastMouse->ProcessCanvasObjectEvent( child_event );
m_lastMouse = (wxCanvasObject*) NULL;
return;
}
}
-
- event.Skip();
-}
-
-void wxCanvas::OnSize(wxSizeEvent &event)
-{
- int w,h;
- GetClientSize( &w, &h );
- m_buffer = wxImage( w, h );
-
- CalcUnscrolledPosition( 0, 0, &m_bufferX, &m_bufferY );
-
- wxNode *node = m_updateRects.First();
- while (node)
+ else
{
- wxRect *rect = (wxRect*) node->Data();
- delete rect;
- m_updateRects.DeleteNode( node );
- node = m_updateRects.First();
- }
+ if (m_captureMouse) //no matter what go to this one
+ {
+ wxMouseEvent child_event( event.GetEventType() );
+ child_event.SetEventObject(m_captureMouse);
+ child_event.m_x = x;
+ child_event.m_y = y;
+ child_event.m_leftDown = event.m_leftDown;
+ child_event.m_rightDown = event.m_rightDown;
+ child_event.m_middleDown = event.m_middleDown;
+ child_event.m_controlDown = event.m_controlDown;
+ child_event.m_shiftDown = event.m_shiftDown;
+ child_event.m_altDown = event.m_altDown;
+ child_event.m_metaDown = event.m_metaDown;
+ m_captureMouse->ProcessCanvasObjectEvent( child_event );
+ }
+ else
+ {
+ wxCanvasObject *obj = m_root->IsHitWorld(xw,yw,margin);
- m_frozen = FALSE;
+ if (obj && !obj->IsControl())
+ {
+ wxMouseEvent child_event( event.GetEventType() );
+ child_event.SetEventObject( obj );
+ child_event.m_x = x;
+ child_event.m_y = y;
+ child_event.m_leftDown = event.m_leftDown;
+ child_event.m_rightDown = event.m_rightDown;
+ child_event.m_middleDown = event.m_middleDown;
+ child_event.m_controlDown = event.m_controlDown;
+ child_event.m_shiftDown = event.m_shiftDown;
+ child_event.m_altDown = event.m_altDown;
+ child_event.m_metaDown = event.m_metaDown;
- Update( m_bufferX, m_bufferY, m_buffer.GetWidth(), m_buffer.GetHeight(), FALSE );
+ obj->ProcessCanvasObjectEvent( child_event );
+ return;
+ }
+ }
+ }
event.Skip();
}
void wxCanvas::OnIdle(wxIdleEvent &event)
{
+ m_admin->SetActive(this);
UpdateNow();
event.Skip();
}
void wxCanvas::OnSetFocus(wxFocusEvent &event)
{
+ m_admin->SetActive(this);
}
void wxCanvas::OnKillFocus(wxFocusEvent &event)
{
}
-void wxCanvas::OnChar(wxKeyEvent &event)
+
+void wxCanvas::OnEraseBackground(wxEraseEvent &event)
{
- event.Skip();
}
-void wxCanvas::OnEraseBackground(wxEraseEvent &event)
+// coordinates conversions
+// -----------------------
+double wxCanvas::DeviceToLogicalX(int x) const
{
+ return (double)(x);
}
-//--------------------------------------------------------------------
-// wxCanvasModule
-//--------------------------------------------------------------------
+double wxCanvas::DeviceToLogicalY(int y) const
+{
+ return (double)(y);
+}
-class wxCanvasModule : public wxModule
+double wxCanvas::DeviceToLogicalXRel(int x) const
{
-public:
- virtual bool OnInit();
- virtual void OnExit();
+ return (double)x;
+}
-private:
- DECLARE_DYNAMIC_CLASS(wxCanvasModule)
-};
+double wxCanvas::DeviceToLogicalYRel(int y) const
+{
+ return (double)y;
+}
-IMPLEMENT_DYNAMIC_CLASS(wxCanvasModule, wxModule)
+int wxCanvas::LogicalToDeviceX(double x) const
+{
+ return (int)(x + 0.5);
+}
-bool wxCanvasModule::OnInit()
+int wxCanvas::LogicalToDeviceY(double y) const
{
-#if wxUSE_FREETYPE
- int error = FT_Init_FreeType( &g_freetypeLibrary );
- if (error) return FALSE;
-#endif
+ return (int)(y + 0.5);
+}
- return TRUE;
+int wxCanvas::LogicalToDeviceXRel(double x) const
+{
+ return (int)(x + 0.5);
}
-void wxCanvasModule::OnExit()
+int wxCanvas::LogicalToDeviceYRel(double y) const
{
-#if wxUSE_FREETYPE
- FT_Done_FreeType( g_freetypeLibrary );
-#endif
+ return (int)(y + 0.5);
+}
+
+//----------------------------------------------------------------------------
+// wxVectorCanvas
+//----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxVectorCanvas,wxCanvas)
+
+BEGIN_EVENT_TABLE(wxVectorCanvas,wxCanvas)
+ EVT_SCROLLWIN( wxVectorCanvas::OnScroll )
+ EVT_CHAR( wxVectorCanvas::OnChar )
+ EVT_SIZE( wxVectorCanvas::OnSize )
+END_EVENT_TABLE()
+
+wxVectorCanvas::wxVectorCanvas( wxCanvasAdmin* admin, wxWindow *parent, wxWindowID id,
+ const wxPoint &position, const wxSize& size, long style ) :
+ wxCanvas( admin, parent, id, position, size, style )
+{
+ m_scrolled = FALSE;
+ m_yaxis = FALSE;
}
+
+double wxVectorCanvas::GetMinX() const
+{
+ return m_virt_minX;
+}
+
+double wxVectorCanvas::GetMinY() const
+{
+ return m_virt_minY;
+}
+
+double wxVectorCanvas::GetMaxX() const
+{
+ return m_virt_maxX;
+}
+
+double wxVectorCanvas::GetMaxY() const
+{
+ return m_virt_maxY;
+}
+
+void wxVectorCanvas::ScrollWindow( int dx, int dy, const wxRect* rect )
+{
+ // If any updates are pending, do them now since they will
+ // expect the previous m_bufferX and m_bufferY as well as
+ // the previous device origin values.
+ wxClientDC dc( this );
+ dc.SetDeviceOrigin( m_oldDeviceX, m_oldDeviceY );
+ BlitBuffer( dc );
+
+ if (dy != 0)
+ {
+ double dyv=DeviceToLogicalYRel(dy);
+ m_virt_minY=m_virt_minY-dyv;
+ m_virt_maxY=m_virt_maxY-dyv;
+ }
+ if (dx != 0)
+ {
+ double dxv=DeviceToLogicalXRel(dx);
+ m_virt_minX=m_virt_minX-dxv;
+ m_virt_maxX=m_virt_maxX-dxv;
+ }
+
+ m_admin->SetActive(this);
+ SetMappingScroll(m_virt_minX,m_virt_minY,m_virt_maxX,m_virt_maxY,FALSE);
+
+
+ if (dy != 0)
+ {
+ if (dy > 0 && dy < m_buffer.GetHeight())
+ {
+ wxRect rect( 0, 0, m_buffer.GetWidth(), m_buffer.GetHeight()-dy);
+ wxBitmap sub_bitmap( m_buffer.GetSubBitmap( rect ) );
+ wxMemoryDC dcm;
+ dcm.SelectObject( m_buffer );
+ dcm.DrawBitmap( sub_bitmap, 0, dy, TRUE );
+ dcm.SelectObject( wxNullBitmap );
+
+ Update( 0, 0, m_buffer.GetWidth(), dy, TRUE );
+ }
+ else if (dy < 0 && dy > -m_buffer.GetHeight())
+ {
+ wxRect rect( 0, -dy, m_buffer.GetWidth(), m_buffer.GetHeight()+dy);
+ wxBitmap sub_bitmap( m_buffer.GetSubBitmap( rect ) );
+ wxMemoryDC dcm;
+ dcm.SelectObject( m_buffer );
+ dcm.DrawBitmap( sub_bitmap, 0, 0, TRUE );
+ dcm.SelectObject( wxNullBitmap );
+
+ Update( 0, m_buffer.GetHeight()+dy, m_buffer.GetWidth(), m_buffer.GetHeight(), TRUE );
+ }
+ else
+ Update( 0, 0, m_buffer.GetWidth(), m_buffer.GetHeight(), TRUE );
+ }
+
+ if (dx != 0)
+ {
+ if (dx > 0 && dx < m_buffer.GetWidth())
+ {
+ wxRect rect( 0, 0, m_buffer.GetWidth()-dx, m_buffer.GetHeight());
+ wxBitmap sub_bitmap( m_buffer.GetSubBitmap( rect ) );
+ wxMemoryDC dcm;
+ dcm.SelectObject( m_buffer );
+ dcm.DrawBitmap( sub_bitmap, dx, 0, TRUE );
+ dcm.SelectObject( wxNullBitmap );
+
+ Update( 0, 0, dx, m_buffer.GetHeight(), TRUE );
+ }
+ else if (dx < 0 && dx > -m_buffer.GetWidth())
+ {
+ wxRect rect( -dx, 0, m_buffer.GetWidth()+dx, m_buffer.GetHeight());
+ wxBitmap sub_bitmap( m_buffer.GetSubBitmap( rect ) );
+ wxMemoryDC dcm;
+ dcm.SelectObject( m_buffer );
+ dcm.DrawBitmap( sub_bitmap, 0, 0, TRUE );
+ dcm.SelectObject( wxNullBitmap );
+
+ Update( m_buffer.GetWidth()+dx, 0, m_buffer.GetWidth(), m_buffer.GetHeight(), TRUE );
+ }
+ else
+ Update( 0,0, m_buffer.GetWidth(), m_buffer.GetHeight(), TRUE );
+ }
+
+ wxWindow::ScrollWindow( dx, dy, rect );
+
+ //must be done now because quick repeated scrolling will prevent wxPaint
+ //from doing it properly
+ UpdateNow();
+}
+
+void wxVectorCanvas::OnSize(wxSizeEvent &event)
+{
+ int w,h;
+
+ GetClientSize( &w, &h );
+
+ wxMemoryDC dc;
+ m_buffer = wxBitmap( w, h );
+ dc.SelectObject( m_buffer );
+ dc.SetPen( *wxTRANSPARENT_PEN );
+ wxBrush brush( m_background , wxSOLID );
+ dc.SetBrush( brush );
+ dc.DrawRectangle( 0, 0, m_buffer.GetWidth(), m_buffer.GetHeight() );
+ dc.SelectObject( wxNullBitmap );
+
+ wxNode *node = m_updateRects.First();
+ while (node)
+ {
+ wxRect *rect = (wxRect*) node->Data();
+ delete rect;
+ m_updateRects.DeleteNode( node );
+ node = m_updateRects.First();
+ }
+
+ m_frozen = FALSE;
+
+ m_admin->SetActive(this);
+ SetMappingScroll(m_virt_minX,m_virt_minY,m_virt_maxX,m_virt_maxY,FALSE);
+
+ Update( 0,0, m_buffer.GetWidth(), m_buffer.GetHeight(), FALSE );
+
+// event.Skip();
+}
+
+// maps the virtual window (Real drawing to the window coordinates
+// also used for zooming
+void wxVectorCanvas::SetMappingScroll( double vx1, double vy1, double vx2, double vy2, bool border)
+{
+ int dwxi,dwyi;
+ GetClientSize(&dwxi,&dwyi);
+
+ if (vx2==vx1) vx2=vx1+100000;
+ if (vy2==vy1) vy2=vy1+100000;
+ m_virt_minX=vx1;
+ m_virt_minY=vy1;
+ m_virt_maxX=vx2;
+ m_virt_maxY=vy2;
+
+ double dwx=dwxi;
+ double dwy=dwyi;
+ if (dwx==0) dwx=1;
+ if (dwy==0) dwy=1;
+
+ double dvx = m_virt_maxX - m_virt_minX;
+ double dvy = m_virt_maxY - m_virt_minY;
+
+ // calculate the scaling factor for the virtual window
+ double temp_x=0;
+ double temp_y=0;
+ if ((dvy / dvx) < (dwy / dwx))
+ {
+ dvy = dvx * (dwy / dwx);
+ // calculate the change in the coordinates
+ temp_y = (dvy - (m_virt_maxY - m_virt_minY) )/ 2.0;
+ }
+ else
+ {
+ dvx = dvy * (dwx / dwy);
+ // calculate the change in the coordinates
+ temp_x = (dvx - (m_virt_maxX - m_virt_minX) )/ 2.0;
+ }
+
+ // add or substract the change from the original coordinates
+ m_virt_minX=m_virt_minX-temp_x;
+ m_virt_minY=m_virt_minY-temp_y;
+
+ m_virt_maxX=m_virt_maxX+temp_x;
+ m_virt_maxY=m_virt_maxY+temp_y;
+
+ // initialize the mapping_matrix used for mapping the
+ // virtual windows to the drawing window
+
+ // make mappingmatrix
+ m_mapping_matrix.Identity();
+ if (!border)
+ {
+ // translate the drawing to 0,0
+ if (m_yaxis)
+ m_mapping_matrix.Translate(-m_virt_minX,-m_virt_maxY);
+ else
+ m_mapping_matrix.Translate(-m_virt_minX,-m_virt_minY);
+ }
+ else
+ {
+ // make a small white border around the drawing
+ m_virt_minX=m_virt_minX- 0.05 * dvx;
+ m_virt_minY=m_virt_minY- 0.05 * dvy;
+
+ m_virt_maxX=m_virt_maxX+ 0.05 * dvx;
+ m_virt_maxY=m_virt_maxY+ 0.05 * dvy;
+
+ // translate the drawing to 0,0
+ if (m_yaxis)
+ m_mapping_matrix.Translate(-m_virt_minX,-m_virt_maxY);
+ else
+ m_mapping_matrix.Translate(-m_virt_minX,-m_virt_minY);
+ }
+
+ double scalefactor_x = dwx;
+ scalefactor_x /= (m_virt_maxX - m_virt_minX);
+
+ double scalefactor_y = dwy;
+ scalefactor_y /= (m_virt_maxY - m_virt_minY);
+
+ // scale the drawing so it fit's in the window
+ m_mapping_matrix.Scale(scalefactor_x, scalefactor_y, 0, 0);
+
+ // because of coordinate change mirror over X
+ // 0,0 in graphic computerscreens: upperleft corner
+ // 0,0 in cartesian: lowerleft corner
+ if (m_yaxis)
+ {
+ m_mapping_matrix.Mirror();
+ }
+ // make inverse of mapping matrix
+ // this is to set coordinates in the statusbar
+ // and the calculate screencoordinates to world coordinates used
+ // in zooming
+ m_inverse_mapping=m_mapping_matrix;
+ m_inverse_mapping.Invert();
+
+ if (m_scrolled)
+ SetScroll(m_virtm_minX,m_virtm_minY,m_virtm_maxX,m_virtm_maxY);
+
+ int dx2,dy2;
+ GetClientSize(&dx2,&dy2);
+ if ( dwxi != dx2 || dwyi != dy2) //scrollbar is/became empty
+ SetScroll(m_virtm_minX,m_virtm_minY,m_virtm_maxX,m_virtm_maxY);
+}
+
+
+void wxVectorCanvas::SetScroll(double vx1,double vy1,double vx2,double vy2)
+{
+ m_virtm_minX=vx1;
+ m_virtm_minY=vy1;
+ m_virtm_maxX=vx2;
+ m_virtm_maxY=vy2;
+
+ double dvx = m_virt_maxX - m_virt_minX;
+ double dvy = m_virt_maxY - m_virt_minY;
+ double dmvx = m_virtm_maxX - m_virtm_minX;
+ double dmvy = m_virtm_maxY - m_virtm_minY;
+
+ SetScrollbar(wxHORIZONTAL,(m_virt_minX-m_virtm_minX)/dmvx *1000,dvx/dmvx *1000,1000,FALSE);
+ if (m_yaxis)
+ {
+ SetScrollbar(wxVERTICAL,(m_virtm_maxY-m_virt_maxY)/dmvy *1000,dvy/dmvy *1000,1000,FALSE);
+ }
+ else
+ {
+ SetScrollbar(wxVERTICAL,(m_virt_minY-m_virtm_minY)/dmvy *1000,dvy/dmvy *1000,1000,FALSE);
+ }
+
+ m_scrolled=TRUE;
+}
+
+// coordinates conversions
+// -----------------------
+double wxVectorCanvas::DeviceToLogicalX(int x) const
+{
+ return m_inverse_mapping.GetValue(0,0) * x + m_inverse_mapping.GetValue(2,0);
+}
+
+double wxVectorCanvas::DeviceToLogicalY(int y) const
+{
+ return m_inverse_mapping.GetValue(1,1) * y + m_inverse_mapping.GetValue(2,1);
+}
+
+double wxVectorCanvas::DeviceToLogicalXRel(int x) const
+{
+ return x*m_inverse_mapping.GetValue(0,0);
+}
+
+double wxVectorCanvas::DeviceToLogicalYRel(int y) const
+{
+ return y*m_inverse_mapping.GetValue(1,1);
+}
+
+int wxVectorCanvas::LogicalToDeviceX(double x) const
+{
+ return (int) (m_mapping_matrix.GetValue(0,0) * x + m_mapping_matrix.GetValue(2,0) + 0.5);
+}
+
+int wxVectorCanvas::LogicalToDeviceY(double y) const
+{
+ return (int) (m_mapping_matrix.GetValue(1,1) * y + m_mapping_matrix.GetValue(2,1) + 0.5);
+}
+
+int wxVectorCanvas::LogicalToDeviceXRel(double x) const
+{
+ return (int) (x*m_mapping_matrix.GetValue(0,0) + 0.5);
+}
+
+int wxVectorCanvas::LogicalToDeviceYRel(double y) const
+{
+ return (int) (y*m_mapping_matrix.GetValue(1,1) + 0.5);
+}
+
+
+// return the inverse mapping matrix for zooming or coordinates
+wxTransformMatrix wxVectorCanvas::GetInverseMappingMatrix()
+{
+ return m_inverse_mapping;
+}
+
+wxTransformMatrix wxVectorCanvas::GetMappingMatrix()
+{
+ return m_mapping_matrix;
+}
+
+
+// ----------------------------------------------------------------------------
+// scrolling behaviour
+// ----------------------------------------------------------------------------
+
+void wxVectorCanvas::OnScroll(wxScrollWinEvent& event)
+{
+ if (event.GetEventType()==wxEVT_SCROLLWIN_THUMBRELEASE)
+ {
+ if (event.GetOrientation()==wxHORIZONTAL)
+ {
+ double x=m_virtm_minX+event.GetPosition()/1000.0*(m_virtm_maxX-m_virtm_minX);
+ x=LogicalToDeviceXRel(x-m_virt_minX);
+ ScrollWindow(-x, 0, (const wxRect *) NULL);
+ }
+ else
+ {
+ double y=m_virtm_minY+event.GetPosition()/1000.0*(m_virtm_maxY-m_virtm_minY);
+ y=LogicalToDeviceYRel(y-m_virt_minY);
+ ScrollWindow(0, -y, (const wxRect *) NULL);
+ }
+ }
+ else if (event.GetEventType()==wxEVT_SCROLLWIN_PAGEUP)
+ {
+ if (event.GetOrientation()==wxHORIZONTAL)
+ {
+ double x=GetBufferWidth();
+ ScrollWindow(x, 0, (const wxRect *) NULL);
+ }
+ else
+ {
+ double y=GetBufferHeight();
+ ScrollWindow(0, y, (const wxRect *) NULL);
+ }
+ }
+ else if (event.GetEventType()==wxEVT_SCROLLWIN_PAGEDOWN)
+ {
+ if (event.GetOrientation()==wxHORIZONTAL)
+ {
+ double x=-GetBufferWidth();
+ ScrollWindow(x, 0, (const wxRect *) NULL);
+ }
+ else
+ {
+ double y=-GetBufferHeight();
+ ScrollWindow(0, y, (const wxRect *) NULL);
+ }
+ }
+ else if (event.GetEventType()==wxEVT_SCROLLWIN_LINEUP)
+ {
+ if (event.GetOrientation()==wxHORIZONTAL)
+ {
+ int x=GetBufferWidth()/10;
+ ScrollWindow(x, 0, (const wxRect *) NULL);
+ }
+ else
+ {
+ int y=GetBufferHeight()/10;
+ ScrollWindow(0, y, (const wxRect *) NULL);
+ }
+ }
+ else if (event.GetEventType()==wxEVT_SCROLLWIN_LINEDOWN)
+ {
+ if (event.GetOrientation()==wxHORIZONTAL)
+ {
+ int x=-GetBufferWidth()/10;
+ ScrollWindow(x, 0, (const wxRect *) NULL);
+ }
+ else
+ {
+ int y=-GetBufferHeight()/10;
+ ScrollWindow(0, y, (const wxRect *) NULL);
+ }
+ }
+
+}
+
+void wxVectorCanvas::OnChar(wxKeyEvent& event)
+{
+ switch ( event.KeyCode() )
+ {
+ case WXK_PAGEUP:
+ case WXK_PRIOR:
+ {
+ double y=GetBufferHeight();
+ ScrollWindow(0, y, (const wxRect *) NULL);
+ }
+ break;
+ case WXK_PAGEDOWN:
+ case WXK_NEXT:
+ {
+ double y=-GetBufferHeight();
+ ScrollWindow(0, y, (const wxRect *) NULL);
+ }
+ break;
+ case WXK_HOME:
+ {
+ double y=m_virtm_minY;
+ y=LogicalToDeviceYRel(y-m_virt_minY);
+ ScrollWindow(0, -y, (const wxRect *) NULL);
+ }
+ break;
+ case WXK_END:
+ {
+ double y=m_virtm_minY+(m_virtm_maxY-m_virtm_minY);
+ y=LogicalToDeviceYRel(y-m_virt_minY);
+ ScrollWindow(0, -y, (const wxRect *) NULL);
+ }
+ break;
+ case WXK_UP:
+ {
+ int y;
+ if (!event.ControlDown())
+ y=GetBufferHeight()/10;
+ else
+ y=GetBufferHeight();
+ ScrollWindow(0, y, (const wxRect *) NULL);
+ }
+ break;
+
+ case WXK_DOWN:
+ {
+ int y;
+ if (!event.ControlDown())
+ y=-GetBufferHeight()/10;
+ else
+ y=-GetBufferHeight();
+ ScrollWindow(0, y, (const wxRect *) NULL);
+ }
+ break;
+
+ case WXK_LEFT:
+ {
+ int x;
+ if (!event.ControlDown())
+ x=GetBufferWidth()/10;
+ else
+ x=GetBufferWidth();
+ ScrollWindow(x, 0, (const wxRect *) NULL);
+ }
+ break;
+ case WXK_RIGHT:
+ {
+ int x;
+ if (!event.ControlDown())
+ x=-GetBufferWidth()/10;
+ else
+ x=-GetBufferWidth();
+ ScrollWindow(x, 0, (const wxRect *) NULL);
+ }
+ break;
+ default:
+ // not for us
+ event.Skip();
+ }
+}
+
+
+//----------------------------------------------------------------------------
+// wxCanvasAdmin
+//----------------------------------------------------------------------------
+
+wxCanvasAdmin::wxCanvasAdmin()
+{
+
+}
+
+wxCanvasAdmin::~wxCanvasAdmin()
+{
+}
+
+
+void wxCanvasAdmin::Append( wxCanvas* canvas )
+{
+ m_canvaslist.Append( canvas );
+}
+
+void wxCanvasAdmin::Remove( wxCanvas* canvas )
+{
+ m_canvaslist.DeleteObject( canvas );
+}
+
+void wxCanvasAdmin::Update(wxCanvasObject* obj, double x, double y, double width, double height)
+{
+ wxNode *node = m_canvaslist.First();
+ while (node)
+ {
+
+ wxCanvas *canvas = (wxCanvas*) node->Data();
+
+ if (m_active == canvas)
+ {
+ int xi = canvas->LogicalToDeviceX( x);
+ int yi = canvas->LogicalToDeviceY( y);
+ int wi = canvas->LogicalToDeviceXRel( width );
+ int hi = canvas->LogicalToDeviceYRel( height);
+ //update a little more then is strictly needed,
+ //to get rid of the 1 bit bugs
+ if (canvas->GetYaxis())
+ canvas->Update( xi-2, yi+hi-2, wi+4, -hi+4);
+ else
+ canvas->Update( xi-2, yi-2, wi+4, hi+4);
+ }
+ else
+ { wxCanvasObject* topobj=canvas->GetRoot()->Contains(obj);
+ if (topobj)
+ {
+ wxCanvas* tcanvas = m_active;
+ SetActive(canvas);
+
+ /*
+ //KKK TODO somehow the next does not work for update i do not know why
+ canvas->GetRoot()->CalcBoundingBox();
+ int xi = topobj->GetX();
+ int yi = topobj->GetY();
+ int wi = topobj->GetWidth();
+ int hi = topobj->GetHeight();
+ */
+ canvas->Update( 0,0, canvas->GetBufferWidth(),canvas->GetBufferHeight());
+ SetActive(tcanvas);
+ }
+ }
+
+ node = node->Next();
+ }
+}
+
+void wxCanvasAdmin::UpdateNow()
+{
+ wxNode *node = m_canvaslist.First();
+ while (node)
+ {
+ wxCanvas *canvas = (wxCanvas*) node->Data();
+
+ canvas->UpdateNow();
+ node = node->Next();
+ }
+}
+
+// coordinates conversions
+// -----------------------
+double wxCanvasAdmin::DeviceToLogicalX(int x) const
+{
+ return m_active->DeviceToLogicalX(x);
+}
+
+double wxCanvasAdmin::DeviceToLogicalY(int y) const
+{
+ return m_active->DeviceToLogicalY(y);
+}
+
+double wxCanvasAdmin::DeviceToLogicalXRel(int x) const
+{
+ return m_active->DeviceToLogicalXRel(x);
+}
+
+double wxCanvasAdmin::DeviceToLogicalYRel(int y) const
+{
+ return m_active->DeviceToLogicalYRel(y);
+}
+
+int wxCanvasAdmin::LogicalToDeviceX(double x) const
+{
+ return m_active->LogicalToDeviceX(x);
+}
+
+int wxCanvasAdmin::LogicalToDeviceY(double y) const
+{
+ return m_active->LogicalToDeviceY(y);
+}
+
+int wxCanvasAdmin::LogicalToDeviceXRel(double x) const
+{
+ return m_active->LogicalToDeviceXRel(x);
+}
+
+int wxCanvasAdmin::LogicalToDeviceYRel(double y) const
+{
+ return m_active->LogicalToDeviceYRel(y);
+}
+
+void wxCanvasAdmin::SetActive(wxCanvas* activate)
+{
+ wxNode *node = m_canvaslist.First();
+ while (node)
+ {
+ wxCanvas *canvas = (wxCanvas*) node->Data();
+
+ if (activate == canvas)
+ {
+ m_active=canvas;
+ break;
+ }
+ node = node->Next();
+ }
+}
+//--------------------------------------------------------------------
+// wxCanvasModule
+//--------------------------------------------------------------------
+
+class wxCanvasModule : public wxModule
+{
+public:
+ virtual bool OnInit();
+ virtual void OnExit();
+
+private:
+ DECLARE_DYNAMIC_CLASS(wxCanvasModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxCanvasModule, wxModule)
+
+bool wxCanvasModule::OnInit()
+{
+#if wxUSE_FREETYPE
+ int error = FT_Init_FreeType( &g_freetypeLibrary );
+ if (error) return FALSE;
+#endif
+
+ return TRUE;
+}
+
+void wxCanvasModule::OnExit()
+{
+#if wxUSE_FREETYPE
+ FT_Done_FreeType( g_freetypeLibrary );
+#endif
+}
+
+
+
+
projects / wxWidgets.git / blobdiff