Fixed parameter type

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

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 734eadf90e1ff4d76b90788b367c9bd51115d83f..7d6f8acd753a1cadf87a773884add33c6426a36d 100644 (file)
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -34,8 +34,12 @@
 #if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
     #include "smile.xpm"
 #endif
-#include "wx/rawbmp.h"
 
+#if defined(__WXMSW__) || defined(__WXMAC__)
+    #ifdef wxHAVE_RAW_BITMAP
+    #include "wx/rawbmp.h"
+    #endif
+#endif
 
 // derived classes
 
@@ -258,9 +262,11 @@ 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 +275,11 @@ 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 +290,7 @@ 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)
             }
@@ -678,7 +684,10 @@ 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 );
@@ -707,17 +716,41 @@ 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, 150, 2250);
-    }
+        dc.DrawIcon(m_iconSmileXpm, 110, 2250);
+    
+    // testing icon -> bitmap conversion    
+    wxBitmap to_blit( m_iconSmileXpm );
+
+    dc.DrawText( _T("SubBitmap"), 170, 2230 );
+    wxBitmap sub = to_blit.GetSubBitmap( wxRect(0,0,15,15) );
+    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 );
     if (my_horse_ico32 && my_horse_ico32->Ok())
@@ -891,7 +924,7 @@ 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();
 }