X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/888dde65f43d5f57e8fb2028b27191cca1741403..05e0b047d879cdbfade7f2ab346c0acdf3e29f96:/samples/drawing/drawing.cpp

diff --git a/samples/drawing/drawing.cpp b/samples/drawing/drawing.cpp
index 9de12ad7af..8a41242bd5 100644
--- a/samples/drawing/drawing.cpp
+++ b/samples/drawing/drawing.cpp
@@ -34,22 +34,14 @@
 #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
@@ -171,6 +163,8 @@ public:
 
     void OnPaint(wxPaintEvent &event);
     void OnMouseMove(wxMouseEvent &event);
+    void OnMouseDown(wxMouseEvent &event);
+    void OnMouseUp(wxMouseEvent &event);
 
     void ToShow(ScreenToShow show) { m_show = show; Refresh(); }
 
@@ -212,6 +206,10 @@ private:
     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
@@ -320,6 +318,9 @@ bool MyApp::LoadImages()
     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("../.."));
@@ -383,10 +384,8 @@ bool MyApp::OnInit()
                    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
@@ -421,6 +420,8 @@ void MyApp::DeleteBitmaps()
 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"
@@ -434,6 +435,7 @@ MyCanvas::MyCanvas(MyFrame *parent)
     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
@@ -809,20 +811,20 @@ void MyCanvas::DrawText(wxDC& dc)
     // 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
@@ -1351,7 +1353,7 @@ void MyCanvas::DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime)
     if ( !firstTime )
         region.Offset(10, 10);
 #endif
-    dc.SetClippingRegion(region);
+    dc.SetDeviceClippingRegion(region);
 
     dc.SetBrush( *wxGREY_BRUSH );
     dc.DrawRectangle( x, y, 310, 310 );
@@ -1366,12 +1368,21 @@ void MyCanvas::DrawRegionsHelper(wxDC& dc, wxCoord x, bool firstTime)
     }
 }
 
+#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 ;
@@ -1479,21 +1490,83 @@ void MyCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
 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
 // ----------------------------------------------------------------------------
@@ -1530,7 +1603,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     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
@@ -1539,7 +1612,7 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     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"));