lastChar was defined as a char when it should have been an int

[wxWidgets.git] / samples / image / image.cpp

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 8661adaaed8fa7f69759664a9f1222cf1c555922..5fe1e004dd397f32b7487cba05b7986c3d3c981b 100644 (file)
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -30,12 +30,13 @@
 #endif // wxUSE_CLIPBOARD
 
 #include "smile.xbm"
+#include "smile.xpm"
 
-#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
-    #include "smile.xpm"
+#if defined(__WXMSW__) || defined(__WXMAC__)
+    #ifdef wxHAVE_RAW_BITMAP
+    #include "wx/rawbmp.h"
+    #endif
 #endif
-#include "wx/rawbmp.h"
-
 
 // derived classes
 
@@ -125,7 +126,7 @@ public:
 #endif // wxHAVE_RAW_BITMAP
     void OnQuit( wxCommandEvent &event );
 
-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF_)
+#if wxUSE_CLIPBOARD
     void OnCopy(wxCommandEvent& event);
     void OnPaste(wxCommandEvent& event);
 #endif // wxUSE_CLIPBOARD
@@ -258,9 +259,11 @@ public:
     {
         SetClientSize(SIZE, SIZE);
 
-        wxAlphaPixelData data(m_bitmap,
-                              wxPoint(BORDER, BORDER),
-                              wxSize(REAL_SIZE, REAL_SIZE));
+        // another possibility: wxNativePixelData (don't forget to remove code
+        // setting alpha in the loop below then)
+        typedef wxAlphaPixelData Data;
+
+        Data data(m_bitmap, wxPoint(BORDER, BORDER), wxSize(REAL_SIZE, REAL_SIZE));
         if ( !data )
         {
             wxLogError(_T("Failed to gain raw access to bitmap data"));
@@ -269,11 +272,11 @@ public:
 
         data.UseAlpha();
 
-        wxAlphaPixelData::Iterator p(data);
+        Data::Iterator p(data);
 
         for ( int y = 0; y < REAL_SIZE; ++y )
         {
-            wxAlphaPixelData::Iterator rowStart = p;
+            Data::Iterator rowStart = p;
 
             int r = y < REAL_SIZE/3 ? 255 : 0,
                 g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0,
@@ -284,7 +287,7 @@ public:
                 p.Red() = r;
                 p.Green() = g;
                 p.Blue() = b;
-                p.Alpha() = (x*255.)/REAL_SIZE;
+                p.Alpha() = (Data::Iterator::ChannelType)((x*255.)/REAL_SIZE);
 
                 ++p; // same as p.OffsetX(1)
             }
@@ -348,10 +351,8 @@ END_EVENT_TABLE()
 MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
                     const wxPoint &pos, const wxSize &size )
         : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER )
-#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
           , m_bmpSmileXpm((const char **) smile_xpm)
           , m_iconSmileXpm((const char **) smile_xpm)
-#endif
 {
     my_horse_png = (wxBitmap*) NULL;
     my_horse_jpeg = (wxBitmap*) NULL;
@@ -484,11 +485,9 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width,
                                  smile_height, 1 );
 
-#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
     // demonstrates XPM automatically using the mask when saving
     if ( m_bmpSmileXpm.Ok() )
         m_bmpSmileXpm.SaveFile(_T("saved.xpm"), wxBITMAP_TYPE_XPM);
-#endif
 
 #if wxUSE_ICO_CUR
     image.Destroy();
@@ -678,7 +677,10 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     memdc.SetBrush( *wxWHITE_BRUSH );
     memdc.DrawRectangle( 0,0,60,50 );
     memdc.SetTextForeground( *wxBLACK );
+#ifndef __WXGTK20__
+    // I cannot convince GTK2 to draw into mono bitmaps
     memdc.DrawText( _T("Hi!"), 5, 5 );
+#endif
     memdc.SetBrush( *wxBLACK_BRUSH );
     memdc.DrawRectangle( 33,5,20,20 );
     memdc.SetPen( *wxRED_PEN );
@@ -707,16 +709,43 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
         dc.SetTextForeground( wxT("BLACK") );
     }
 
-    dc.DrawText(_T("XPM bitmap"), 30, 2230);
+    // For testing transparency
+    dc.SetBrush( *wxRED_BRUSH );
+    dc.DrawRectangle( 20, 2220, 560, 68 );
+    
+    dc.DrawText(_T("XPM bitmap"), 30, 2230 );
     if ( m_bmpSmileXpm.Ok() )
-    {
         dc.DrawBitmap(m_bmpSmileXpm, 30, 2250, TRUE);
-    }
 
-    dc.DrawText(_T("XPM icon"), 150, 2230);
+    dc.DrawText(_T("XPM icon"), 110, 2230 );
     if ( m_iconSmileXpm.Ok() )
+        dc.DrawIcon(m_iconSmileXpm, 110, 2250);
+    
+    // testing icon -> bitmap conversion    
+    wxBitmap to_blit( m_iconSmileXpm );
+    if (to_blit.Ok())
     {
-        dc.DrawIcon(m_iconSmileXpm, 150, 2250);
+        dc.DrawText( _T("SubBitmap"), 170, 2230 );
+        wxBitmap sub = to_blit.GetSubBitmap( wxRect(0,0,15,15) );
+        if (sub.Ok())
+            dc.DrawBitmap( sub, 170, 2250, TRUE );
+
+        dc.DrawText( _T("Enlarged"), 250, 2230 );
+        dc.SetUserScale( 1.5, 1.5 );
+        dc.DrawBitmap( to_blit, (int)(250/1.5), (int)(2250/1.5), TRUE );
+        dc.SetUserScale( 2, 2 );
+        dc.DrawBitmap( to_blit, (int)(300/2), (int)(2250/2), TRUE );
+        dc.SetUserScale( 1.0, 1.0 );
+        
+        dc.DrawText( _T("Blit"), 400, 2230);
+        wxMemoryDC blit_dc;
+        blit_dc.SelectObject( to_blit );
+        dc.Blit( 400, 2250, to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, TRUE );
+        dc.SetUserScale( 1.5, 1.5 );
+        dc.Blit( (int)(450/1.5), (int)(2250/1.5), to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, TRUE );
+        dc.SetUserScale( 2, 2 );
+        dc.Blit( (int)(500/2), (int)(2250/2), to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, TRUE );
+        dc.SetUserScale( 1.0, 1.0 );
     }
 
     dc.DrawText( _T("ICO handler (1st image)"), 30, 2290 );
@@ -817,7 +846,7 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame)
   EVT_MENU    (ID_SHOWRAW,  MyFrame::OnTestRawBitmap)
 #endif
 
-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__)
+#if wxUSE_CLIPBOARD
     EVT_MENU(wxID_COPY, MyFrame::OnCopy)
     EVT_MENU(wxID_PASTE, MyFrame::OnPaste)
 #endif // wxUSE_CLIPBOARD
@@ -841,7 +870,7 @@ MyFrame::MyFrame()
   menuImage->Append( ID_QUIT, _T("E&xit\tCtrl-Q"));
   menu_bar->Append(menuImage, _T("&Image"));
 
-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__)
+#if wxUSE_CLIPBOARD
   wxMenu *menuClipboard = new wxMenu;
   menuClipboard->Append(wxID_COPY, _T("&Copy test image\tCtrl-C"));
   menuClipboard->Append(wxID_PASTE, _T("&Paste image\tCtrl-V"));
@@ -891,29 +920,35 @@ void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) )
 
 #ifdef wxHAVE_RAW_BITMAP
 
-void MyFrame::OnTestRawBitmap( wxCommandEvent &event )
+void MyFrame::OnTestRawBitmap( wxCommandEvent &WXUNUSED(event) )
 {
     (new MyRawBitmapFrame(this))->Show();
 }
 
 #endif // wxHAVE_RAW_BITMAP
 
-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__)
+#if wxUSE_CLIPBOARD
 
 void MyFrame::OnCopy(wxCommandEvent& WXUNUSED(event))
 {
     wxBitmapDataObject *dobjBmp = new wxBitmapDataObject;
     dobjBmp->SetBitmap(*m_canvas->my_horse_png);
 
+    wxTheClipboard->Open();
+
     if ( !wxTheClipboard->SetData(dobjBmp) )
     {
         wxLogError(_T("Failed to copy bitmap to clipboard"));
     }
+
+    wxTheClipboard->Close();
 }
 
 void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
 {
     wxBitmapDataObject dobjBmp;
+
+    wxTheClipboard->Open();
     if ( !wxTheClipboard->GetData(dobjBmp) )
     {
         wxLogMessage(_T("No bitmap data in the clipboard"));
@@ -922,6 +957,7 @@ void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
     {
         (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show();
     }
+    wxTheClipboard->Close();
 }
 
 #endif // wxUSE_CLIPBOARD