#include "wx/image.h"
#include "wx/artprov.h"
#include "wx/dcgraph.h"
-
-#define wxTEST_GRAPHICS 1
-
-#if wxTEST_GRAPHICS
+#include "wx/overlay.h"
#include "wx/graphics.h"
-#if wxUSE_GRAPHICS_CONTEXT == 0
-#undef wxTEST_GRAPHICS
-#define wxTEST_GRAPHICS 0
-#endif
-#else
-#undef wxUSE_GRAPHICS_CONTEXT
-#define wxUSE_GRAPHICS_CONTEXT 0
-#endif
+#include "wx/filename.h"
+
+#define TEST_CAIRO_EVERYWHERE 0
// ----------------------------------------------------------------------------
-// ressources
+// resources
// ----------------------------------------------------------------------------
// the application icon
#include "mondrian.xpm"
#endif
-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
-
-// what do we show on screen (there are too many shapes to put them all on
-// screen simultaneously)
-enum ScreenToShow
-{
- Show_Default,
- Show_Text,
- Show_Lines,
- Show_Brushes,
- Show_Polygons,
- Show_Mask,
- Show_Mask_Stretch,
- Show_Ops,
- Show_Regions,
- Show_Circles,
- Show_Splines,
-#if wxUSE_GRAPHICS_CONTEXT
- Show_Alpha,
- Show_Graphics,
-#endif
- Show_Gradient,
- Show_Max
-};
-
// ----------------------------------------------------------------------------
// global variables
// ----------------------------------------------------------------------------
void OnPaint(wxPaintEvent &event);
void OnMouseMove(wxMouseEvent &event);
+ void OnMouseDown(wxMouseEvent &event);
+ void OnMouseUp(wxMouseEvent &event);
- void ToShow(ScreenToShow show) { m_show = show; Refresh(); }
+ void ToShow(int show) { m_show = show; Refresh(); }
// set or remove the clipping region
void Clip(bool clip) { m_clip = clip; Refresh(); }
private:
MyFrame *m_owner;
- ScreenToShow m_show;
+ int m_show;
wxBitmap m_smile_bmp;
wxIcon m_std_icon;
bool m_clip;
+ wxOverlay m_overlay;
+ bool m_rubberBand;
+ wxPoint m_anchorpoint;
+ wxPoint m_currentpoint;
#if wxUSE_GRAPHICS_CONTEXT
bool m_useContext ;
#endif
gs_bmp36 = new wxBitmap;
wxPathList pathList;
+ // special hack for Unix in-tree sample build, don't do this in real
+ // programs, use wxStandardPaths instead
+ pathList.Add(wxFileName(argv[0]).GetPath());
pathList.Add(_T("."));
pathList.Add(_T(".."));
pathList.Add(_T("../.."));
wxT("for this sample from the current or parent ")
wxT("directory, please copy them there."));
- // stop here
- DeleteBitmaps();
-
- return false;
+ // still continue, the sample can be used without images too if they're
+ // missing for whatever reason
}
- // ok, continue
return true;
}
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
EVT_PAINT (MyCanvas::OnPaint)
EVT_MOTION (MyCanvas::OnMouseMove)
+ EVT_LEFT_DOWN (MyCanvas::OnMouseDown)
+ EVT_LEFT_UP (MyCanvas::OnMouseUp)
END_EVENT_TABLE()
#include "smile.xpm"
wxHSCROLL | wxVSCROLL | wxNO_FULL_REPAINT_ON_RESIZE)
{
m_owner = parent;
- m_show = Show_Default;
+ m_show = File_ShowDefault;
m_smile_bmp = wxBitmap(smile_xpm);
m_std_icon = wxArtProvider::GetIcon(wxART_INFORMATION);
m_clip = false;
+ m_rubberBand = false;
#if wxUSE_GRAPHICS_CONTEXT
m_useContext = false;
#endif
// test the logical function effect
wxCoord y = 150;
dc.SetLogicalFunction(wxINVERT);
- dc.DrawText( _T("There should be no text below"), 110, 150 );
+ // text drawing should ignore logical function
+ dc.DrawText( _T("There should be a text below"), 110, 150 );
dc.DrawRectangle( 110, y, 100, height );
- // twice drawn inverted should result in invisible
y += height;
- dc.DrawText( _T("Invisible text"), 110, y );
+ dc.DrawText( _T("Visible text"), 110, y );
dc.DrawRectangle( 110, y, 100, height );
- dc.DrawText( _T("Invisible text"), 110, y );
+ dc.DrawText( _T("Visible text"), 110, y );
dc.DrawRectangle( 110, y, 100, height );
dc.SetLogicalFunction(wxCOPY);
y += height;
dc.DrawRectangle( 110, y, 100, height );
- dc.DrawText( _T("Visible text"), 110, y );
+ dc.DrawText( _T("Another visible text"), 110, y );
}
static const struct
if ( !firstTime )
region.Offset(10, 10);
#endif
- dc.SetClippingRegion(region);
+ dc.SetDeviceClippingRegion(region);
dc.SetBrush( *wxGREY_BRUSH );
dc.DrawRectangle( x, y, 310, 310 );
}
}
+#if TEST_CAIRO_EVERYWHERE
+extern wxGraphicsRenderer* gCairoRenderer;
+#endif
+
void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
{
wxPaintDC pdc(this);
#if wxUSE_GRAPHICS_CONTEXT
+#if TEST_CAIRO_EVERYWHERE
+ wxGCDC gdc;
+ gdc.SetGraphicsContext( gCairoRenderer->CreateContext( pdc ) );
+#else
wxGCDC gdc( pdc ) ;
+#endif
wxDC &dc = m_useContext ? (wxDC&) gdc : (wxDC&) pdc ;
#else
wxDC &dc = pdc ;
switch ( m_show )
{
- case Show_Default:
+ case File_ShowDefault:
DrawDefault(dc);
break;
- case Show_Circles:
+ case File_ShowCircles:
DrawCircles(dc);
break;
- case Show_Splines:
+ case File_ShowSplines:
DrawSplines(dc);
break;
- case Show_Regions:
+ case File_ShowRegions:
DrawRegions(dc);
break;
- case Show_Text:
+ case File_ShowText:
DrawText(dc);
break;
- case Show_Lines:
+ case File_ShowLines:
DrawTestLines( 0, 100, 0, dc );
DrawTestLines( 0, 320, 1, dc );
DrawTestLines( 0, 540, 2, dc );
DrawTestLines( 0, 760, 6, dc );
break;
- case Show_Brushes:
+ case File_ShowBrushes:
DrawTestBrushes(dc);
break;
- case Show_Polygons:
+ case File_ShowPolygons:
DrawTestPoly(dc);
break;
- case Show_Mask:
+ case File_ShowMask:
DrawImages(dc, Draw_Normal);
break;
- case Show_Mask_Stretch:
+ case File_ShowMaskStretch:
DrawImages(dc, Draw_Stretch);
break;
- case Show_Ops:
+ case File_ShowOps:
DrawWithLogicalOps(dc);
break;
#if wxUSE_GRAPHICS_CONTEXT
- case Show_Alpha:
+ case File_ShowAlpha:
DrawAlpha(dc);
break;
- case Show_Graphics:
+ case File_ShowGraphics:
DrawGraphics(gdc.GetGraphicsContext());
break;
#endif
- case Show_Gradient:
+ case File_ShowGradients:
DrawGradients(dc);
break;
void MyCanvas::OnMouseMove(wxMouseEvent &event)
{
#if wxUSE_STATUSBAR
- wxClientDC dc(this);
- PrepareDC(dc);
- m_owner->PrepareDC(dc);
-
- wxPoint pos = event.GetPosition();
- long x = dc.DeviceToLogicalX( pos.x );
- long y = dc.DeviceToLogicalY( pos.y );
- wxString str;
- str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
- m_owner->SetStatusText( str );
+ {
+ wxClientDC dc(this);
+ PrepareDC(dc);
+ m_owner->PrepareDC(dc);
+
+ wxPoint pos = event.GetPosition();
+ long x = dc.DeviceToLogicalX( pos.x );
+ long y = dc.DeviceToLogicalY( pos.y );
+ wxString str;
+ str.Printf( wxT("Current mouse position: %d,%d"), (int)x, (int)y );
+ m_owner->SetStatusText( str );
+ }
+
+ if ( m_rubberBand )
+ {
+ int x,y, xx, yy ;
+ event.GetPosition(&x,&y);
+ CalcUnscrolledPosition( x, y, &xx, &yy );
+ m_currentpoint = wxPoint( xx , yy ) ;
+ wxRect newrect ( m_anchorpoint , m_currentpoint ) ;
+
+ wxClientDC dc( this ) ;
+ PrepareDC( dc ) ;
+
+ wxDCOverlay overlaydc( m_overlay, &dc );
+ overlaydc.Clear();
+#ifdef __WXMAC__
+ dc.SetPen( *wxGREY_PEN );
+ dc.SetBrush( wxColour( 192,192,192,64 ) );
+#else
+ dc.SetPen( wxPen( *wxLIGHT_GREY, 2, wxSOLID ) );
+ dc.SetBrush( *wxTRANSPARENT_BRUSH );
+#endif
+ dc.DrawRectangle( newrect );
+ }
#else
wxUnusedVar(event);
#endif // wxUSE_STATUSBAR
}
+void MyCanvas::OnMouseDown(wxMouseEvent &event)
+{
+ int x,y,xx,yy ;
+ event.GetPosition(&x,&y);
+ CalcUnscrolledPosition( x, y, &xx, &yy );
+ m_anchorpoint = wxPoint( xx , yy ) ;
+ m_currentpoint = m_anchorpoint ;
+ m_rubberBand = true ;
+ CaptureMouse() ;
+}
+
+void MyCanvas::OnMouseUp(wxMouseEvent &event)
+{
+ if ( m_rubberBand )
+ {
+ ReleaseMouse();
+ {
+ wxClientDC dc( this );
+ PrepareDC( dc );
+ wxDCOverlay overlaydc( m_overlay, &dc );
+ overlaydc.Clear();
+ }
+ m_overlay.Reset();
+ m_rubberBand = false;
+
+ int x,y,xx,yy ;
+ event.GetPosition(&x,&y);
+ CalcUnscrolledPosition( x, y, &xx, &yy );
+
+ wxString str;
+ str.Printf( wxT("Rectangle selection from %d,%d to %d,%d"),
+ m_anchorpoint.x, m_anchorpoint.y , (int)xx, (int)yy );
+ wxMessageBox( str , wxT("Rubber-Banding") );
+
+ }
+}
+
// ----------------------------------------------------------------------------
// MyFrame
// ----------------------------------------------------------------------------
menuFile->Append(File_ShowPolygons, _T("&Polygons screen\tF5"));
menuFile->Append(File_ShowMask, _T("&Mask screen\tF6"));
menuFile->Append(File_ShowMaskStretch, _T("1/&2 scaled mask\tShift-F6"));
- menuFile->Append(File_ShowOps, _T("&ROP screen\tF7"));
+ menuFile->Append(File_ShowOps, _T("&Raster operations screen\tF7"));
menuFile->Append(File_ShowRegions, _T("Re&gions screen\tF8"));
menuFile->Append(File_ShowCircles, _T("&Circles screen\tF9"));
#if wxUSE_GRAPHICS_CONTEXT
menuFile->Append(File_ShowSplines, _T("&Splines screen\tF11"));
menuFile->Append(File_ShowGradients, _T("&Gradients screen\tF12"));
#if wxUSE_GRAPHICS_CONTEXT
- menuFile->Append(File_ShowGraphics, _T("&Graphics screen\tF13"));
+ menuFile->Append(File_ShowGraphics, _T("&Graphics screen"));
#endif
menuFile->AppendSeparator();
menuFile->AppendCheckItem(File_Clip, _T("&Clip\tCtrl-C"), _T("Clip/unclip drawing"));
void MyFrame::OnShow(wxCommandEvent& event)
{
- m_canvas->ToShow((ScreenToShow)(event.GetId() - MenuShow_First));
+ m_canvas->ToShow(event.GetId());
}
void MyFrame::OnOption(wxCommandEvent& event)
projects / wxWidgets.git / blobdiff