second try...

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

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 466618e3518f31c318ebc847981a54385b3d0016..36879ba4c8d5de673afd91b12728c21d03e6b132 100644 (file)
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -20,6 +20,8 @@
 
 #include "wx/image.h"
 
+#include "wx/file.h"
+
 // derived classes
 
 class MyFrame;
@@ -39,6 +41,7 @@ public:
     wxBitmap  *my_horse_png;
     wxBitmap  *my_horse_jpeg;
     wxBitmap  *my_horse_gif;
+    wxBitmap  *my_horse_bmp;
     wxBitmap  *my_square;
     wxBitmap  *my_anti;
 
@@ -89,6 +92,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
   my_horse_png = (wxBitmap*) NULL;
   my_horse_jpeg = (wxBitmap*) NULL;
   my_horse_gif = (wxBitmap*) NULL;
+  my_horse_bmp = (wxBitmap*) NULL;
   my_square = (wxBitmap*) NULL;
   my_anti = (wxBitmap*) NULL;
 
@@ -103,23 +107,38 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
   dc.DrawRectangle( 0, 0, 100, 100 );
   dc.SelectObject( wxNullBitmap );
 
-  wxString dir("");
-
-#ifdef __WXGTK__
-  dir = wxString("../");
-#endif
+  // try to find the directory with our images
+  wxString dir;
+  if ( wxFile::Exists("./horse.png") )
+      dir = "./";
+  else if ( wxFile::Exists("../horse.png") )
+      dir = "../";
+  else
+      wxLogWarning("Can't find image files in either '.' or '..'!");
 
   wxImage image( bitmap );
-  image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG );
+  if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ) )
+      wxLogError("Can't save file");
   
-  image.LoadFile( dir + wxString("horse.png"), wxBITMAP_TYPE_PNG );
-  my_horse_png = new wxBitmap( image.ConvertToBitmap() );
+  if ( !image.LoadFile( dir + wxString("horse.png"), wxBITMAP_TYPE_PNG ) )
+      wxLogError("Can't load PNG image");
+  else
+    my_horse_png = new wxBitmap( image.ConvertToBitmap() );
   
-  image.LoadFile( dir + wxString("horse.jpg"), wxBITMAP_TYPE_JPEG );
-  my_horse_jpeg = new wxBitmap( image.ConvertToBitmap() );
+  if ( !image.LoadFile( dir + wxString("horse.jpg"), wxBITMAP_TYPE_JPEG ) )
+      wxLogError("Can't load JPG image");
+  else
+      my_horse_jpeg = new wxBitmap( image.ConvertToBitmap() );
   
-  image.LoadFile( dir + wxString("horse.gif"), wxBITMAP_TYPE_GIF );
-  my_horse_gif = new wxBitmap( image.ConvertToBitmap() );
+  if ( !image.LoadFile( dir + wxString("horse.gif"), wxBITMAP_TYPE_GIF ) )
+      wxLogError("Can't load GIF image");
+  else
+    my_horse_gif = new wxBitmap( image.ConvertToBitmap() );
+  
+  if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )
+      wxLogError("Can't load BMP image");
+  else
+    my_horse_bmp = new wxBitmap( image.ConvertToBitmap() );
   
   image.LoadFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG );
   my_square = new wxBitmap( image.ConvertToBitmap() );
@@ -132,6 +151,7 @@ MyCanvas::~MyCanvas()
   delete my_horse_png;
   delete my_horse_jpeg;
   delete my_horse_gif;
+  delete my_horse_bmp;
   delete my_square;
   delete my_anti;
 }
@@ -159,6 +179,9 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
   
   dc.DrawText( "GIF handler", 30, 595 );
   if (my_horse_gif && my_horse_gif->Ok()) dc.DrawBitmap( *my_horse_gif, 30, 610 );
+  
+  dc.DrawText( "BMP handler", 30, 815 );
+  if (my_horse_bmp && my_horse_bmp->Ok()) dc.DrawBitmap( *my_horse_bmp, 30, 830 );
 }
 
 void MyCanvas::CreateAntiAliasedBitmap()