Fixed XIM compilation, but doesn't work yet.

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

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 7b17838bd525c529a2afa16b04103564669444ed..df33af7c8f60dbfe6ceabce873f654e4824e9883 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;


@@ -36,10 +38,17 @@ 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_horse_tiff;

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

+private:

     DECLARE_DYNAMIC_CLASS(MyCanvas)
     DECLARE_EVENT_TABLE()
 };
     DECLARE_DYNAMIC_CLASS(MyCanvas)
     DECLARE_EVENT_TABLE()
 };


@@ -56,6 +65,7 @@ public:
 
     MyCanvas         *m_canvas;
 
 
     MyCanvas         *m_canvas;
 

+private:

     DECLARE_DYNAMIC_CLASS(MyFrame)
     DECLARE_EVENT_TABLE()
 };
     DECLARE_DYNAMIC_CLASS(MyFrame)
     DECLARE_EVENT_TABLE()
 };


@@ -84,44 +94,101 @@ 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_square = (wxBitmap*) NULL;
-  my_anti = (wxBitmap*) NULL;
-
-  SetBackgroundColour(* wxWHITE);
+    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_horse_tiff = (wxBitmap*) NULL;
+    my_square = (wxBitmap*) NULL;
+    my_anti = (wxBitmap*) NULL;
+
+    SetBackgroundColour(* wxWHITE);
+
+    wxBitmap bitmap( 100, 100 );
+
+    wxMemoryDC dc;
+    dc.SelectObject( bitmap );
+    dc.SetBrush( wxBrush( "orange", wxSOLID ) );
+    dc.SetPen( *wxWHITE_PEN );
+    dc.DrawRectangle( 0, 0, 100, 100 );
+    dc.SelectObject( wxNullBitmap );
+
+    // 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 );
+
+    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() );
+
+    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

 
 

-  wxBitmap bitmap( 100, 100 );
+#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

 
 

-  wxMemoryDC dc;
-  dc.SelectObject( bitmap );
-  dc.SetBrush( wxBrush( "orange", wxSOLID ) );
-  dc.SetPen( *wxWHITE_PEN );
-  dc.DrawRectangle( 0, 0, 100, 100 );
-  dc.SelectObject( wxNullBitmap );
+    if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )
+        wxLogError("Can't load BMP image");
+    else
+        my_horse_bmp = new wxBitmap( image.ConvertToBitmap() );

 
 

-  wxString dir("");
+#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

 
 

-#ifdef __WXGTK__
-  dir = wxString("../");
+#if wxUSE_LIBTIFF
+    if ( !image.LoadFile( dir + wxString("horse.tif"), wxBITMAP_TYPE_TIF ) )
+        wxLogError("Can't load TIFF image");
+    else
+        my_horse_tiff = new wxBitmap( image.ConvertToBitmap() );

 #endif
 
 #endif
 

-  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() );
-  
-  image.LoadFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG );
-  my_square = new wxBitmap( image.ConvertToBitmap() );
+    image.LoadFile( dir + wxString("test.png") );
+    my_square = new wxBitmap( image.ConvertToBitmap() );

 
 

-  CreateAntiAliasedBitmap();
+    CreateAntiAliasedBitmap();

 }
 
 MyCanvas::~MyCanvas()
 {
 }
 
 MyCanvas::~MyCanvas()
 {

-  delete my_horse;
-  delete my_square;
-  delete my_anti;
+    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_horse_tiff;
+    delete my_square;
+    delete my_anti;

 }
 
 void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 }
 
 void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )


@@ -138,8 +205,27 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
   dc.DrawRectangle( 150, 30, 100, 100 );
 
   if (my_anti && my_anti->Ok()) dc.DrawBitmap( *my_anti, 250, 140 );
   dc.DrawRectangle( 150, 30, 100, 100 );
 
   if (my_anti && my_anti->Ok()) dc.DrawBitmap( *my_anti, 250, 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 );

   
   

-  if (my_horse && my_horse->Ok()) dc.DrawBitmap( *my_horse, 30, 140 );
+  dc.DrawText( "TIFF handler", 30, 1515 );
+  if (my_horse_tiff && my_horse_tiff->Ok()) dc.DrawBitmap( *my_horse_pnm, 30, 1530 );

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


@@ -151,40 +237,41 @@ void MyCanvas::CreateAntiAliasedBitmap()
   dc.SelectObject( bitmap );
 
   dc.Clear();
   dc.SelectObject( bitmap );
 
   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.SetTextForeground( "RED" );
   dc.DrawText( "This is anti-aliased Text.", 20, 20 );
   dc.DrawText( "And a Rectangle.", 20, 60 );

-  
+

   dc.SetBrush( *wxRED_BRUSH );
   dc.SetBrush( *wxRED_BRUSH );

+  dc.SetPen( *wxTRANSPARENT_PEN );

   dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );
   dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );

-  
+

   wxImage original( bitmap );
   wxImage anti( 150, 150 );
 
   /* This is quite slow, but safe. Use wxImage::GetData() for speed instead. */
   wxImage original( bitmap );
   wxImage anti( 150, 150 );
 
   /* This is quite slow, but safe. Use wxImage::GetData() for speed instead. */

-  
+

   for (int y = 1; y < 149; y++)
     for (int x = 1; x < 149; x++)
     {
        int red = original.GetRed( x*2, y*2 ) +
   for (int y = 1; y < 149; y++)
     for (int x = 1; x < 149; x++)
     {
        int red = original.GetRed( x*2, y*2 ) +

-                 original.GetRed( x*2-1, y*2 ) + 
-                 original.GetRed( x*2, y*2+1 ) + 
+                 original.GetRed( x*2-1, y*2 ) +
+                 original.GetRed( x*2, y*2+1 ) +

                  original.GetRed( x*2+1, y*2+1 );
                  original.GetRed( x*2+1, y*2+1 );

-       red = red/4; 
-       
+       red = red/4;
+

        int green = original.GetGreen( x*2, y*2 ) +
        int green = original.GetGreen( x*2, y*2 ) +

-                   original.GetGreen( x*2-1, y*2 ) + 
-                   original.GetGreen( x*2, y*2+1 ) + 
+                   original.GetGreen( x*2-1, y*2 ) +
+                   original.GetGreen( x*2, y*2+1 ) +

                    original.GetGreen( x*2+1, y*2+1 );
                    original.GetGreen( x*2+1, y*2+1 );

-       green = green/4; 
-       
+       green = green/4;
+

        int blue = original.GetBlue( x*2, y*2 ) +
        int blue = original.GetBlue( x*2, y*2 ) +

-                  original.GetBlue( x*2-1, y*2 ) + 
-                  original.GetBlue( x*2, y*2+1 ) + 
+                  original.GetBlue( x*2-1, y*2 ) +
+                  original.GetBlue( x*2, y*2+1 ) +

                   original.GetBlue( x*2+1, y*2+1 );
                   original.GetBlue( x*2+1, y*2+1 );

-       blue = blue/4; 
+       blue = blue/4;

        anti.SetRGB( x, y, red, green, blue );
     }
   my_anti = new wxBitmap( anti.ConvertToBitmap() );
        anti.SetRGB( x, y, red, green, blue );
     }
   my_anti = new wxBitmap( anti.ConvertToBitmap() );


@@ -207,11 +294,11 @@ 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 +307,9 @@ 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, 180 );

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


@@ -231,6 +320,7 @@ 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 );
 }


@@ -241,6 +331,30 @@ void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
 
 bool MyApp::OnInit()
 {
 
 bool MyApp::OnInit()
 {

+#if wxUSE_LIBPNG
+  wxImage::AddHandler( new wxPNGHandler );
+#endif
+
+#if wxUSE_LIBJPEG
+  wxImage::AddHandler( new wxJPEGHandler );
+#endif
+
+#if wxUSE_LIBTIFF
+  wxImage::AddHandler( new wxTIFFHandler );
+#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 );