#include "wx/file.h"
#include "wx/mstream.h"
#include "wx/wfstream.h"
+#include "wx/quantize.h"
#include "smile.xbm"
#include "smile.xpm"
wxBitmap *my_horse_pnm;
wxBitmap *my_horse_tiff;
wxBitmap *my_horse_xpm;
-
+
wxBitmap *my_smile_xbm;
wxBitmap *my_square;
wxBitmap *my_anti;
DECLARE_EVENT_TABLE()
};
+
+const int nChoices = 8 ;
+static const wxString bppchoices[nChoices] =
+{
+ "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[nChoices] =
+{
+ wxBMP_1BPP,
+ wxBMP_1BPP_BW,
+ wxBMP_4BPP,
+ wxBMP_8BPP,
+ wxBMP_8BPP_GREY,
+ wxBMP_8BPP_RED,
+ wxBMP_8BPP_PALETTE,
+ wxBMP_24BPP
+};
+
// MyFrame
+
class MyFrame: public wxFrame
{
public:
{
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),
- m_bitmap(bitmap)
+ m_bitmap(bitmap)
{
SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
}
dc.DrawBitmap( m_bitmap, 0, 0 );
}
+ void OnSave(wxCommandEvent& WXUNUSED(event))
+ {
+ wxImage image(m_bitmap);
+
+ int bppselection = wxGetSingleChoiceIndex("Set BMP BPP",
+ "Set BMP BPP",
+ nChoices,
+ 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;
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)
wxMemoryDC dc;
dc.SelectObject( bitmap );
- dc.SetBrush( wxBrush( "orange", wxSOLID ) );
+ dc.SetBrush( wxBrush( wxT("orange"), wxSOLID ) );
dc.SetPen( *wxBLACK_PEN );
dc.DrawRectangle( 0, 0, 100, 100 );
dc.SetBrush( *wxWHITE_BRUSH );
// try to find the directory with our images
wxString dir;
- if ( wxFile::Exists("./horse.png") )
+ if ( wxFile::Exists(wxT("./horse.png")) )
dir = "./";
- else if ( wxFile::Exists("../horse.png") )
+ else if ( wxFile::Exists(wxT("../horse.png")) )
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 ))
- wxLogError("Can't save file");
+ wxLogError(wxT("Can't save file"));
image.Destroy();
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
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
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
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
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 );
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 ))
- 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 ) )
- wxLogError("Can't load PNM image");
+ wxLogError(wxT("Can't load PNM image"));
else
my_horse_pnm = new wxBitmap( image );
#endif
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
if (my_square && my_square->Ok()) dc.DrawBitmap( *my_square, 30, 30 );
dc.DrawText( "Drawn directly", 150, 10 );
- dc.SetBrush( wxBrush( "orange", wxSOLID ) );
+ dc.SetBrush( wxBrush( wxT("orange"), wxSOLID ) );
dc.SetPen( *wxBLACK_PEN );
dc.DrawRectangle( 150, 30, 100, 100 );
dc.SetBrush( *wxWHITE_BRUSH );
{
dc.DrawText( "XBM bitmap", 30, 1975 );
dc.DrawText( "(green on red)", 30, 1990 );
- dc.SetTextForeground( "GREEN" );
- dc.SetTextBackground( "RED" );
+ dc.SetTextForeground( wxT("GREEN") );
+ dc.SetTextBackground( wxT("RED") );
dc.DrawBitmap( *my_smile_xbm, 30, 2010 );
- dc.SetTextForeground( "BLACK" );
+ dc.SetTextForeground( wxT("BLACK") );
dc.DrawText( "After wxImage conversion", 150, 1975 );
dc.DrawText( "(red on white)", 150, 1990 );
- dc.SetTextForeground( "RED" );
+ dc.SetTextForeground( wxT("RED") );
wxImage i = my_smile_xbm->ConvertToImage();
i.SetMaskColour( 255, 255, 255 );
i.Replace( 0, 0, 0,
wxRED_PEN->GetColour().Green(),
wxRED_PEN->GetColour().Blue() );
dc.DrawBitmap( i.ConvertToBitmap(), 150, 2010, TRUE );
- dc.SetTextForeground( "BLACK" );
+ dc.SetTextForeground( wxT("BLACK") );
}
{
dc.DrawText( "Mono bitmap", 30, 2095 );
dc.DrawText( "(red on green)", 30, 2110 );
- dc.SetTextForeground( "RED" );
- dc.SetTextBackground( "GREEN" );
+ dc.SetTextForeground( wxT("RED") );
+ dc.SetTextBackground( wxT("GREEN") );
dc.DrawBitmap( mono, 30, 2130 );
- dc.SetTextForeground( "BLACK" );
+ dc.SetTextForeground( wxT("BLACK") );
dc.DrawText( "After wxImage conversion", 150, 2095 );
dc.DrawText( "(red on white)", 150, 2110 );
- dc.SetTextForeground( "RED" );
+ dc.SetTextForeground( wxT("RED") );
wxImage i = mono.ConvertToImage();
i.SetMaskColour( 255,255,255 );
i.Replace( 0,0,0,
wxRED_PEN->GetColour().Green(),
wxRED_PEN->GetColour().Blue() );
dc.DrawBitmap( i.ConvertToBitmap(), 150, 2130, TRUE );
- dc.SetTextForeground( "BLACK" );
+ dc.SetTextForeground( wxT("BLACK") );
}
dc.DrawText("XPM bitmap", 30, 2230);
dc.Clear();
dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL) );
- dc.SetTextForeground( "RED" );
+ dc.SetTextForeground( wxT("RED") );
dc.DrawText( "This is anti-aliased Text.", 20, 20 );
dc.DrawText( "And a Rectangle.", 20, 60 );
projects / wxWidgets.git / blobdiff