mingw compilation fix

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

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 625b8dc375a4cba192e8aa64762aadf5fbd42478..71540921bce3b10538ca3d302d9ec3c99d88f24f 100644 (file)
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -22,6 +22,7 @@
 #include "wx/file.h"
 #include "wx/mstream.h"
 #include "wx/wfstream.h"
 #include "wx/file.h"
 #include "wx/mstream.h"
 #include "wx/wfstream.h"

+#include "wx/quantize.h"

 
 #include "smile.xbm"
 #include "smile.xpm"
 
 #include "smile.xbm"
 #include "smile.xpm"


@@ -51,7 +52,7 @@ public:
     wxBitmap  *my_horse_pnm;
     wxBitmap  *my_horse_tiff;
     wxBitmap  *my_horse_xpm;
     wxBitmap  *my_horse_pnm;
     wxBitmap  *my_horse_tiff;
     wxBitmap  *my_horse_xpm;

-    
+

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


@@ -87,10 +88,10 @@ class MyImageFrame : public wxFrame
 {
 public:
     MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)
 {
 public:
     MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)

-        : wxFrame(parent, -1, _T("Frame with image"),
+        : wxFrame(parent, -1, _T("Double click to save"),

                   wxDefaultPosition, wxDefaultSize,
                   wxCAPTION | wxSYSTEM_MENU),
                   wxDefaultPosition, wxDefaultSize,
                   wxCAPTION | wxSYSTEM_MENU),

-          m_bitmap(bitmap)
+                  m_bitmap(bitmap)

     {
         SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
     }
     {
         SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
     }


@@ -101,6 +102,97 @@ public:
         dc.DrawBitmap( m_bitmap, 0, 0 );
     }
 
         dc.DrawBitmap( m_bitmap, 0, 0 );
     }
 

+    void OnSave(wxCommandEvent& WXUNUSED(event))
+    {
+        wxImage image(m_bitmap);
+
+        static const wxString bppchoices[8] =
+        {
+            "1 bpp color",
+            "1 bpp B&W",
+            "4 bpp color",
+            "8 bpp color",
+            "8 bpp greyscale",
+            "8 bpp red",
+            "8 bpp own palette",
+            "24 bpp"
+        };
+
+        static const int bppvalues[WXSIZEOF(bppchoices)] =
+        {
+            wxBMP_1BPP,
+            wxBMP_1BPP_BW,
+            wxBMP_4BPP,
+            wxBMP_8BPP,
+            wxBMP_8BPP_GREY,
+            wxBMP_8BPP_RED,
+            wxBMP_8BPP_PALETTE,
+            wxBMP_24BPP
+        };
+
+        int bppselection = wxGetSingleChoiceIndex("Set BMP BPP",
+                                                  "Set BMP BPP",
+                                                  WXSIZEOF(bppchoices),
+                                                  bppchoices,
+                                                  this);
+        if ( bppselection == -1 )
+        {
+            // cancelled
+            return;
+        }
+
+        image.SetOption(wxBMP_FORMAT, bppvalues[bppselection]);
+
+        wxString deffilename = bppchoices[bppselection];
+        deffilename.Replace(wxT(" "), wxT("_"));
+        deffilename += wxT(".bmp");
+        wxString savefilename = wxFileSelector( wxT("Save Image"),
+                                                wxT(""),
+                                                deffilename,
+                                                (const wxChar *)NULL,
+                                            wxT("BMP files (*.bmp)|*.bmp|")
+                                            wxT("PNG files (*.png)|*.png|")
+                                            wxT("JPEG files (*.jpg)|*.jpg|")
+                                            wxT("GIF files (*.gif)|*.gif|")
+                                            wxT("TIFF files (*.tif)|*.tif|")
+                                            wxT("PCX files (*.pcx)|*.pcx"),
+                                                wxSAVE);
+
+        if ( savefilename.empty() )
+            return;
+
+        if ( image.GetOptionInt(wxBMP_FORMAT) == wxBMP_8BPP_PALETTE )
+        {
+            unsigned char *cmap = new unsigned char [256];
+            for ( int i = 0; i < 256; i++ )
+                cmap[i] = i;
+            image.SetPalette(wxPalette(256, cmap, cmap, cmap));
+
+            delete cmap;
+        }
+
+        bool saved = FALSE;
+
+        wxString extension = savefilename.AfterLast('.').Lower();
+
+        if (extension == "bmp")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_BMP);
+        else if (extension == "png")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_PNG);
+        else if (extension == "pcx")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_PCX);
+        else if ((extension == "tif") || (extension == "tiff"))
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_TIF);
+        else if (extension == "jpg")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_JPEG);
+        else if (extension == "pnm")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_PNM);
+        else
+            wxMessageBox("Unknown file type, see options in file selector.",
+                         "Unknown file type",
+                         wxOK|wxCENTRE, this);
+    }
+

 private:
     wxBitmap m_bitmap;
 
 private:
     wxBitmap m_bitmap;
 


@@ -124,7 +216,8 @@ IMPLEMENT_APP(MyApp)
 IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
 
 BEGIN_EVENT_TABLE(MyImageFrame, wxFrame)
 IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
 
 BEGIN_EVENT_TABLE(MyImageFrame, wxFrame)

-    EVT_PAINT(MyImageFrame::OnPaint)
+  EVT_PAINT(MyImageFrame::OnPaint)
+  EVT_LEFT_DCLICK(MyImageFrame::OnSave)

 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)


@@ -166,18 +259,18 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 
     // try to find the directory with our images
     wxString dir;
 
     // try to find the directory with our images
     wxString dir;

-    if ( wxFile::Exists("./horse.png") )
+    if ( wxFile::Exists(wxT("./horse.png")) )

         dir = "./";
         dir = "./";

-    else if ( wxFile::Exists("../horse.png") )
+    else if ( wxFile::Exists(wxT("../horse.png")) )

         dir = "../";
     else
         dir = "../";
     else

-        wxLogWarning("Can't find image files in either '.' or '..'!");
+        wxLogWarning(wxT("Can't find image files in either '.' or '..'!"));

 
     wxImage image = bitmap.ConvertToImage();
 
 #if wxUSE_LIBPNG
     if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ))
 
     wxImage image = bitmap.ConvertToImage();
 
 #if wxUSE_LIBPNG
     if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ))

-        wxLogError("Can't save file");
+        wxLogError(wxT("Can't save file"));

 
     image.Destroy();
 
 
     image.Destroy();
 


@@ -187,7 +280,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.png")) )
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.png")) )

-        wxLogError("Can't load PNG image");
+        wxLogError(wxT("Can't load PNG image"));

     else
         my_horse_png = new wxBitmap( image );
 #endif // wxUSE_LIBPNG
     else
         my_horse_png = new wxBitmap( image );
 #endif // wxUSE_LIBPNG


@@ -196,7 +289,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.jpg")) )
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.jpg")) )

-        wxLogError("Can't load JPG image");
+        wxLogError(wxT("Can't load JPG image"));

     else
         my_horse_jpeg = new wxBitmap( image );
 #endif // wxUSE_LIBJPEG
     else
         my_horse_jpeg = new wxBitmap( image );
 #endif // wxUSE_LIBJPEG


@@ -205,7 +298,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.gif")) )
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.gif")) )

-        wxLogError("Can't load GIF image");
+        wxLogError(wxT("Can't load GIF image"));

     else
         my_horse_gif = new wxBitmap( image );
 #endif
     else
         my_horse_gif = new wxBitmap( image );
 #endif


@@ -214,7 +307,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.pcx"), wxBITMAP_TYPE_PCX ) )
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.pcx"), wxBITMAP_TYPE_PCX ) )

-        wxLogError("Can't load PCX image");
+        wxLogError(wxT("Can't load PCX image"));

     else
         my_horse_pcx = new wxBitmap( image );
 #endif
     else
         my_horse_pcx = new wxBitmap( image );
 #endif


@@ -222,7 +315,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )

-        wxLogError("Can't load BMP image");
+        wxLogError(wxT("Can't load BMP image"));

     else
         my_horse_bmp = new wxBitmap( image );
 
     else
         my_horse_bmp = new wxBitmap( image );
 


@@ -230,19 +323,19 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.xpm"), wxBITMAP_TYPE_XPM ) )
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.xpm"), wxBITMAP_TYPE_XPM ) )

-        wxLogError("Can't load XPM image");
+        wxLogError(wxT("Can't load XPM image"));

     else
         my_horse_xpm = new wxBitmap( image );
 
     if ( !image.SaveFile( dir + wxString("test.xpm"), wxBITMAP_TYPE_XPM ))
     else
         my_horse_xpm = new wxBitmap( image );
 
     if ( !image.SaveFile( dir + wxString("test.xpm"), wxBITMAP_TYPE_XPM ))

-        wxLogError("Can't save file");
+        wxLogError(wxT("Can't save file"));

 #endif
 
 #if wxUSE_PNM
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) )
 #endif
 
 #if wxUSE_PNM
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) )

-        wxLogError("Can't load PNM image");
+        wxLogError(wxT("Can't load PNM image"));

     else
         my_horse_pnm = new wxBitmap( image );
 #endif
     else
         my_horse_pnm = new wxBitmap( image );
 #endif


@@ -251,7 +344,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.tif"), wxBITMAP_TYPE_TIF ) )
     image.Destroy();
 
     if ( !image.LoadFile( dir + wxString("horse.tif"), wxBITMAP_TYPE_TIF ) )

-        wxLogError("Can't load TIFF image");
+        wxLogError(wxT("Can't load TIFF image"));

     else
         my_horse_tiff = new wxBitmap( image );
 #endif
     else
         my_horse_tiff = new wxBitmap( image );
 #endif