updates for DoGetBestSize

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

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 4b4f1104b6331d1eada114bb60723a2ae0a8be6f..687a1e1f22c31b733855ac5d67b92b3d88c5f9d8 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;


@@ -36,7 +38,12 @@ public:
     void OnPaint( wxPaintEvent &event );
     void CreateAntiAliasedBitmap();
 
     void OnPaint( wxPaintEvent &event );
     void CreateAntiAliasedBitmap();
 

-    wxBitmap  *my_horse;
+    wxBitmap  *my_horse_png;
+    wxBitmap  *my_horse_jpeg;
+    wxBitmap  *my_horse_gif;
+    wxBitmap  *my_horse_bmp;
+    wxBitmap  *my_horse_pcx;
+    wxBitmap  *my_horse_pnm;

     wxBitmap  *my_square;
     wxBitmap  *my_anti;
 
     wxBitmap  *my_square;
     wxBitmap  *my_anti;
 


@@ -84,7 +91,12 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
                     const wxPoint &pos, const wxSize &size )
         : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER )
 {
                     const wxPoint &pos, const wxSize &size )
         : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER )
 {

-  my_horse = (wxBitmap*) NULL;
+  my_horse_png = (wxBitmap*) NULL;
+  my_horse_jpeg = (wxBitmap*) NULL;
+  my_horse_gif = (wxBitmap*) NULL;
+  my_horse_bmp = (wxBitmap*) NULL;
+  my_horse_pcx = (wxBitmap*) NULL;
+  my_horse_pnm = (wxBitmap*) NULL;

   my_square = (wxBitmap*) NULL;
   my_anti = (wxBitmap*) NULL;
 
   my_square = (wxBitmap*) NULL;
   my_anti = (wxBitmap*) NULL;
 


@@ -99,19 +111,57 @@ 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 );

   
   

-  image.LoadFile( dir + wxString("horse.png"), wxBITMAP_TYPE_PNG );
-  my_horse = new wxBitmap( image.ConvertToBitmap() );
+  if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ) )
+      wxLogError("Can't save file");
+  
+  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("test.png"), wxBITMAP_TYPE_PNG );
+  if ( !image.LoadFile( dir + wxString("horse.jpg") ) )
+      wxLogError("Can't load JPG image");
+  else
+      my_horse_jpeg = new wxBitmap( image.ConvertToBitmap() );
+
+#if wxUSE_GIF
+  if ( !image.LoadFile( dir + wxString("horse.gif") ) )
+      wxLogError("Can't load GIF image");
+  else
+    my_horse_gif = new wxBitmap( image.ConvertToBitmap() );
+#endif
+
+#if wxUSE_PCX
+  if ( !image.LoadFile( dir + wxString("horse.pcx"), wxBITMAP_TYPE_PCX ) )
+      wxLogError("Can't load PCX image");
+  else
+    my_horse_pcx = new wxBitmap( image.ConvertToBitmap() );
+#endif
+
+  if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )
+      wxLogError("Can't load BMP image");
+  else
+    my_horse_bmp = new wxBitmap( image.ConvertToBitmap() );
+
+#if wxUSE_PNM
+  if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) )
+      wxLogError("Can't load PNM image");
+  else
+    my_horse_pnm = new wxBitmap( image.ConvertToBitmap() );
+#endif
+  
+  image.LoadFile( dir + wxString("test.png") );

   my_square = new wxBitmap( image.ConvertToBitmap() );
   
   CreateAntiAliasedBitmap();
   my_square = new wxBitmap( image.ConvertToBitmap() );
   
   CreateAntiAliasedBitmap();


@@ -119,7 +169,12 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 
 MyCanvas::~MyCanvas()
 {
 
 MyCanvas::~MyCanvas()
 {

-  delete my_horse;
+  delete my_horse_pnm;
+  delete my_horse_png;
+  delete my_horse_jpeg;
+  delete my_horse_gif;
+  delete my_horse_bmp;
+  delete my_horse_pcx;

   delete my_square;
   delete my_anti;
 }
   delete my_square;
   delete my_anti;
 }


@@ -131,7 +186,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 
   dc.DrawText( "Loaded image", 30, 10 );
   if (my_square && my_square->Ok()) dc.DrawBitmap( *my_square, 30, 30 );
 
   dc.DrawText( "Loaded image", 30, 10 );
   if (my_square && my_square->Ok()) dc.DrawBitmap( *my_square, 30, 30 );

-
+  

   dc.DrawText( "Drawn directly", 150, 10 );
   dc.SetBrush( wxBrush( "orange", wxSOLID ) );
   dc.SetPen( *wxWHITE_PEN );
   dc.DrawText( "Drawn directly", 150, 10 );
   dc.SetBrush( wxBrush( "orange", wxSOLID ) );
   dc.SetPen( *wxWHITE_PEN );


@@ -139,7 +194,23 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 
   if (my_anti && my_anti->Ok()) dc.DrawBitmap( *my_anti, 250, 140 );
   
 
   if (my_anti && my_anti->Ok()) dc.DrawBitmap( *my_anti, 250, 140 );
   

-  if (my_horse && my_horse->Ok()) dc.DrawBitmap( *my_horse, 30, 140 );
+  dc.DrawText( "PNG handler", 30, 135 );
+  if (my_horse_png && my_horse_png->Ok()) dc.DrawBitmap( *my_horse_png, 30, 150 );
+  
+  dc.DrawText( "JPEG handler", 30, 365 );
+  if (my_horse_jpeg && my_horse_jpeg->Ok()) dc.DrawBitmap( *my_horse_jpeg, 30, 380 );
+  
+  dc.DrawText( "GIF handler", 30, 595 );
+  if (my_horse_gif && my_horse_gif->Ok()) dc.DrawBitmap( *my_horse_gif, 30, 610 );
+
+  dc.DrawText( "PCX handler", 30, 825 );
+  if (my_horse_pcx && my_horse_pcx->Ok()) dc.DrawBitmap( *my_horse_pcx, 30, 840 );
+
+  dc.DrawText( "BMP handler", 30, 1055 );
+  if (my_horse_bmp && my_horse_bmp->Ok()) dc.DrawBitmap( *my_horse_bmp, 30, 1070 );
+
+  dc.DrawText( "PNM handler", 30, 1285 );
+  if (my_horse_pnm && my_horse_pnm->Ok()) dc.DrawBitmap( *my_horse_pnm, 30, 1300 );

 }
 
 void MyCanvas::CreateAntiAliasedBitmap()
 }
 
 void MyCanvas::CreateAntiAliasedBitmap()


@@ -152,12 +223,13 @@ void MyCanvas::CreateAntiAliasedBitmap()
 
   dc.Clear();
   
 
   dc.Clear();
   

-  dc.SetFont( wxFont( 24, wxDECORATIVE, wxDEFAULT, wxDEFAULT ) );
+  dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL) );

   dc.SetTextForeground( "RED" );
   dc.DrawText( "This is anti-aliased Text.", 20, 20 );
   dc.DrawText( "And a Rectangle.", 20, 60 );
   
   dc.SetBrush( *wxRED_BRUSH );
   dc.SetTextForeground( "RED" );
   dc.DrawText( "This is anti-aliased Text.", 20, 20 );
   dc.DrawText( "And a Rectangle.", 20, 60 );
   
   dc.SetBrush( *wxRED_BRUSH );

+  dc.SetPen( *wxTRANSPARENT_PEN );

   dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );
   
   wxImage original( bitmap );
   dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );
   
   wxImage original( bitmap );


@@ -207,11 +279,11 @@ 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 );
 


@@ -220,7 +292,9 @@ MyFrame::MyFrame()
   SetStatusWidths( 2, widths );
 
   m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
   SetStatusWidths( 2, widths );
 
   m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );

-  m_canvas->SetScrollbars( 10, 10, 50, 50 );
+
+  // 500 width * 1300 height
+  m_canvas->SetScrollbars( 10, 10, 50, 152 );

 }
 
 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 }
 
 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )


@@ -231,6 +305,7 @@ void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 {
   (void)wxMessageBox( "wxImage demo\n"
 void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 {
   (void)wxMessageBox( "wxImage demo\n"

+                      "\n"

                       "Robert Roebling (c) 1998",
                       "About wxImage Demo", wxICON_INFORMATION | wxOK );
 }
                       "Robert Roebling (c) 1998",
                       "About wxImage Demo", wxICON_INFORMATION | wxOK );
 }


@@ -249,6 +324,18 @@ bool MyApp::OnInit()
   wxImage::AddHandler( new wxJPEGHandler );
 #endif
 
   wxImage::AddHandler( new wxJPEGHandler );
 #endif
 

+#if wxUSE_GIF
+  wxImage::AddHandler( new wxGIFHandler );
+#endif
+
+#if wxUSE_PCX
+  wxImage::AddHandler( new wxPCXHandler );
+#endif
+
+#if wxUSE_PNM
+  wxImage::AddHandler( new wxPNMHandler );
+#endif
+

   wxFrame *frame = new MyFrame();
   frame->Show( TRUE );
 
   wxFrame *frame = new MyFrame();
   frame->Show( TRUE );