#endif
#include "wx/image.h"
-
#include "wx/file.h"
#include "smile.xbm"
MyFrame();
void OnAbout( wxCommandEvent &event );
+ void OnNewFrame( wxCommandEvent &event );
void OnQuit( wxCommandEvent &event );
MyCanvas *m_canvas;
DECLARE_EVENT_TABLE()
};
+class MyImageFrame : public wxFrame
+{
+public:
+ MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)
+ : wxFrame(parent, -1, _T("Frame with image"),
+ wxDefaultPosition, wxDefaultSize,
+ wxCAPTION | wxSYSTEM_MENU),
+ m_bitmap(bitmap)
+ {
+ SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
+ }
+
+ void OnPaint(wxPaintEvent& WXUNUSED(event))
+ {
+ wxPaintDC dc( this );
+ dc.DrawBitmap( m_bitmap, 0, 0 );
+ }
+
+private:
+ wxBitmap m_bitmap;
+
+ DECLARE_EVENT_TABLE()
+};
+
// MyApp
class MyApp: public wxApp
IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
+BEGIN_EVENT_TABLE(MyImageFrame, wxFrame)
+ EVT_PAINT(MyImageFrame::OnPaint)
+END_EVENT_TABLE()
+
BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
EVT_PAINT(MyCanvas::OnPaint)
END_EVENT_TABLE()
wxImage image( bitmap );
#if wxUSE_LIBPNG
+ if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ))
+ wxLogError("Can't save file");
+
+ image.Destroy();
+
image.LoadFile( dir + wxString("test.png") );
my_square = new wxBitmap( image.ConvertToBitmap() );
-
- if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ) )
- wxLogError("Can't save file");
-
- image = wxImage( 100, 100 );
- if ( !image.LoadFile( dir + wxString("horse.png"), wxBITMAP_TYPE_PNG ) )
+ image.Destroy();
+
+ if ( !image.LoadFile( dir + wxString("horse.png")) )
wxLogError("Can't load PNG image");
else
my_horse_png = new wxBitmap( image.ConvertToBitmap() );
#endif // wxUSE_LIBPNG
#if wxUSE_LIBJPEG
- image = wxImage( 100, 100 );
+ image.Destroy();
- if ( !image.LoadFile( dir + wxString("horse.jpg") ) )
+ if ( !image.LoadFile( dir + wxString("horse.jpg")) )
wxLogError("Can't load JPG image");
else
my_horse_jpeg = new wxBitmap( image.ConvertToBitmap() );
#endif // wxUSE_LIBJPEG
#if wxUSE_GIF
- image = wxImage( 100, 100 );
+ image.Destroy();
- if ( !image.LoadFile( dir + wxString("horse.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
- image = wxImage( 100, 100 );
+ image.Destroy();
if ( !image.LoadFile( dir + wxString("horse.pcx"), wxBITMAP_TYPE_PCX ) )
wxLogError("Can't load PCX image");
my_horse_pcx = new wxBitmap( image.ConvertToBitmap() );
#endif
- image = wxImage( 100, 100 );
+ image.Destroy();
if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )
wxLogError("Can't load BMP image");
my_horse_bmp = new wxBitmap( image.ConvertToBitmap() );
#if wxUSE_PNM
- image = wxImage( 100, 100 );
+ image.Destroy();
if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) )
wxLogError("Can't load PNM image");
#endif
#if wxUSE_LIBTIFF
- image = wxImage( 100, 100 );
+ image.Destroy();
if ( !image.LoadFile( dir + wxString("horse.tif"), wxBITMAP_TYPE_TIF ) )
wxLogError("Can't load TIFF image");
if (my_smile_xbm && my_smile_xbm->Ok())
{
dc.DrawText( "XBM bitmap", 30, 1745 );
- dc.SetTextForeground( "RED" );
- dc.SetTextBackground( "GREEN" );
- dc.DrawBitmap( *my_smile_xbm, 30, 1760 );
+ dc.DrawText( "(green on red)", 30, 1760 );
+ dc.SetTextForeground( "GREEN" );
+ dc.SetTextBackground( "RED" );
+ dc.DrawBitmap( *my_smile_xbm, 30, 1780 );
+ dc.SetTextForeground( "BLACK" );
dc.DrawText( "After wxImage conversion", 150, 1745 );
+ dc.DrawText( "(red on white)", 150, 1760 );
+ dc.SetTextForeground( "RED" );
wxImage i( *my_smile_xbm );
- i.SetMaskColour( 0,0,0 );
- i.Replace( 255,255,255,
+ i.SetMaskColour( 255, 255, 255 );
+ i.Replace( 0, 0, 0,
wxRED_PEN->GetColour().Red(),
wxRED_PEN->GetColour().Green(),
wxRED_PEN->GetColour().Blue() );
- dc.DrawBitmap( i.ConvertToBitmap(), 150, 1760, TRUE );
+ dc.DrawBitmap( i.ConvertToBitmap(), 150, 1780, TRUE );
+ dc.SetTextForeground( "BLACK" );
}
- dc.SetTextForeground( "BLACK" );
+
wxBitmap mono( 60,50,1 );
wxMemoryDC memdc;
memdc.SetPen( *wxRED_PEN );
memdc.DrawLine( 5, 42, 50, 42 );
memdc.SelectObject( wxNullBitmap );
+
if (mono.Ok())
{
- dc.DrawText( "Mono bitmap", 30, 1845 );
+ dc.DrawText( "Mono bitmap", 30, 1865 );
+ dc.DrawText( "(red on green)", 30, 1880 );
dc.SetTextForeground( "RED" );
dc.SetTextBackground( "GREEN" );
- dc.DrawBitmap( mono, 30, 1860 );
+ dc.DrawBitmap( mono, 30, 1900 );
dc.SetTextForeground( "BLACK" );
- dc.DrawText( "After wxImage conversion", 150, 1845 );
+ dc.DrawText( "After wxImage conversion", 150, 1865 );
+ dc.DrawText( "(red on white)", 150, 1880 );
dc.SetTextForeground( "RED" );
wxImage i( mono );
i.SetMaskColour( 255,255,255 );
wxRED_PEN->GetColour().Red(),
wxRED_PEN->GetColour().Green(),
wxRED_PEN->GetColour().Blue() );
- dc.DrawBitmap( i.ConvertToBitmap(), 150, 1860, TRUE );
+ dc.DrawBitmap( i.ConvertToBitmap(), 150, 1900, TRUE );
dc.SetTextForeground( "BLACK" );
}
- dc.DrawText("XPM bitmap", 30, 1950);
+ dc.DrawText("XPM bitmap", 30, 2000);
if ( m_bmpSmileXpm.Ok() )
{
- dc.DrawBitmap(m_bmpSmileXpm, 30, 1975, TRUE);
+ dc.DrawBitmap(m_bmpSmileXpm, 30, 2020, TRUE);
}
- dc.DrawText("XPM icon", 150, 1950);
+ dc.DrawText("XPM icon", 150, 2000);
if ( m_iconSmileXpm.Ok() )
{
- dc.DrawIcon(m_iconSmileXpm, 150, 1975);
+ dc.DrawIcon(m_iconSmileXpm, 150, 2020);
}
}
const int ID_QUIT = 108;
const int ID_ABOUT = 109;
+const int ID_NEW = 110;
IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
BEGIN_EVENT_TABLE(MyFrame,wxFrame)
EVT_MENU (ID_ABOUT, MyFrame::OnAbout)
EVT_MENU (ID_QUIT, MyFrame::OnQuit)
+ EVT_MENU (ID_NEW, MyFrame::OnNewFrame)
END_EVENT_TABLE()
MyFrame::MyFrame()
wxPoint(20,20), wxSize(470,360) )
{
wxMenu *file_menu = new wxMenu();
+ file_menu->Append( ID_NEW, "&Show image...");
+ file_menu->AppendSeparator();
file_menu->Append( ID_ABOUT, "&About...");
+ file_menu->AppendSeparator();
file_menu->Append( ID_QUIT, "E&xit");
wxMenuBar *menu_bar = new wxMenuBar();
m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
// 500 width * 2100 height
- m_canvas->SetScrollbars( 10, 10, 50, 210 );
+ m_canvas->SetScrollbars( 10, 10, 50, 220 );
}
void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
"About wxImage Demo", wxICON_INFORMATION | wxOK );
}
+void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) )
+{
+ wxString filename = wxFileSelector(_T("Select image file"));
+ if ( !filename )
+ return;
+
+ wxImage image;
+ if ( !image.LoadFile(filename) )
+ {
+ wxLogError(_T("Couldn't load image from '%s'."), filename.c_str());
+
+ return;
+ }
+
+ (new MyImageFrame(this, image.ConvertToBitmap()))->Show();
+}
+
//-----------------------------------------------------------------------------
// MyApp
//-----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff