updated VC build instructions

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

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index d2990f2b8105ed834b4429f0cb1149675ceeb10d..5fe1e004dd397f32b7487cba05b7986c3d3c981b 100644 (file)
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -30,14 +30,12 @@
 #endif // wxUSE_CLIPBOARD
 
 #include "smile.xbm"
-
-#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
-    #include "smile.xpm"
-#endif
+#include "smile.xpm"
 
 #if defined(__WXMSW__) || defined(__WXMAC__)
+    #ifdef wxHAVE_RAW_BITMAP
     #include "wx/rawbmp.h"
-    #define wxHAVE_RAW_BITMAP
+    #endif
 #endif
 
 // derived classes
@@ -261,9 +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"));
@@ -272,11 +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,
@@ -287,8 +287,7 @@ public:
                 p.Red() = r;
                 p.Green() = g;
                 p.Blue() = b;
-                p.Alpha() =
-                    (wxAlphaPixelFormat::ChannelType)((x*255.)/REAL_SIZE);
+                p.Alpha() = (Data::Iterator::ChannelType)((x*255.)/REAL_SIZE);
 
                 ++p; // same as p.OffsetX(1)
             }
@@ -352,10 +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;
@@ -488,11 +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();
@@ -682,7 +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 );
@@ -711,16 +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 );
@@ -895,7 +920,7 @@ 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();
 }