second try...

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

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 2b923cb1fb7921441731da745df1681824d9461c..36879ba4c8d5de673afd91b12728c21d03e6b132 100644 (file)
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -20,6 +20,8 @@
 
 #include "wx/image.h"
 
 
 #include "wx/image.h"
 

+#include "wx/file.h"
+

 // derived classes
 
 class MyFrame;
 // derived classes
 
 class MyFrame;


@@ -39,6 +41,7 @@ public:
     wxBitmap  *my_horse_png;
     wxBitmap  *my_horse_jpeg;
     wxBitmap  *my_horse_gif;
     wxBitmap  *my_horse_png;
     wxBitmap  *my_horse_jpeg;
     wxBitmap  *my_horse_gif;

+    wxBitmap  *my_horse_bmp;

     wxBitmap  *my_square;
     wxBitmap  *my_anti;
 
     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_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;
 
   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 );
 
   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 );
 
   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() );
   
   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_png;
   delete my_horse_jpeg;
   delete my_horse_gif;

+  delete my_horse_bmp;

   delete my_square;
   delete my_anti;
 }
   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( "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()
 }
 
 void MyCanvas::CreateAntiAliasedBitmap()


@@ -226,11 +249,11 @@ MyFrame::MyFrame()
                   wxPoint(20,20), wxSize(470,360) )
 {
   wxMenu *file_menu = new wxMenu();
                   wxPoint(20,20), wxSize(470,360) )
 {
   wxMenu *file_menu = new wxMenu();

-  file_menu->Append( ID_ABOUT, "About..");
-  file_menu->Append( ID_QUIT, "Exit");
+  file_menu->Append( ID_ABOUT, "&About..");
+  file_menu->Append( ID_QUIT, "E&xit");

 
   wxMenuBar *menu_bar = new wxMenuBar();
 
   wxMenuBar *menu_bar = new wxMenuBar();

-  menu_bar->Append(file_menu, "File");
+  menu_bar->Append(file_menu, "&File");

 
   SetMenuBar( menu_bar );
 
 
   SetMenuBar( menu_bar );