#endif
#include "wx/image.h"
-
#include "wx/file.h"
#include "smile.xbm"
+#include "smile.xpm"
// derived classes
wxBitmap *my_square;
wxBitmap *my_anti;
+protected:
+ wxBitmap m_bmpSmileXpm;
+ wxIcon m_iconSmileXpm;
+
private:
DECLARE_DYNAMIC_CLASS(MyCanvas)
DECLARE_EVENT_TABLE()
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()
MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
const wxPoint &pos, const wxSize &size )
: wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER )
+#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
+ , m_bmpSmileXpm((const char **) smile_xpm)
+ , m_iconSmileXpm((const char **) smile_xpm)
+#endif
{
my_horse_png = (wxBitmap*) NULL;
my_horse_jpeg = (wxBitmap*) NULL;
wxMemoryDC dc;
dc.SelectObject( bitmap );
dc.SetBrush( wxBrush( "orange", wxSOLID ) );
- dc.SetPen( *wxWHITE_PEN );
+ dc.SetPen( *wxBLACK_PEN );
dc.DrawRectangle( 0, 0, 100, 100 );
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.DrawRectangle( 20, 20, 60, 60 );
dc.SelectObject( wxNullBitmap );
// try to find the directory with our images
wxImage image( bitmap );
- if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ) )
+#if wxUSE_LIBPNG
+ 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 ) )
+ image.Destroy();
+
+ image.LoadFile( dir + wxString("test.png") );
+ my_square = new wxBitmap( image.ConvertToBitmap() );
+
+ 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 ( !image.LoadFile( dir + wxString("horse.jpg") ) )
+#if wxUSE_LIBJPEG
+ image.Destroy();
+
+ 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
- if ( !image.LoadFile( dir + wxString("horse.gif") ) )
+ image.Destroy();
+
+ 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.Destroy();
+
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
+ image.Destroy();
+
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
+ image.Destroy();
+
if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) )
wxLogError("Can't load PNM image");
else
#endif
#if wxUSE_LIBTIFF
+ image.Destroy();
+
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
- image.LoadFile( dir + wxString("test.png") );
- my_square = new wxBitmap( image.ConvertToBitmap() );
-
CreateAntiAliasedBitmap();
my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width,
smile_height, 1 );
+
+#ifndef __WXGTK__
+#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
+ // demonstrates XPM automatically using the mask when saving
+ if ( m_bmpSmileXpm.Ok() )
+ m_bmpSmileXpm.SaveFile("saved.xpm", wxBITMAP_TYPE_XPM);
+#endif
+#endif
}
MyCanvas::~MyCanvas()
dc.DrawText( "Drawn directly", 150, 10 );
dc.SetBrush( wxBrush( "orange", wxSOLID ) );
- dc.SetPen( *wxWHITE_PEN );
+ dc.SetPen( *wxBLACK_PEN );
dc.DrawRectangle( 150, 30, 100, 100 );
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.DrawRectangle( 170, 50, 60, 60 );
- if (my_anti && my_anti->Ok())
+ if (my_anti && my_anti->Ok())
dc.DrawBitmap( *my_anti, 280, 30 );
dc.DrawText( "PNG handler", 30, 135 );
if (my_horse_png && my_horse_png->Ok())
- {
+ {
dc.DrawBitmap( *my_horse_png, 30, 150 );
wxRect rect(0,0,100,100);
wxBitmap sub( my_horse_png->GetSubBitmap(rect) );
}
dc.DrawText( "JPEG handler", 30, 365 );
- if (my_horse_jpeg && my_horse_jpeg->Ok())
+ 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())
+ 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())
+ 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())
+ 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())
+ if (my_horse_pnm && my_horse_pnm->Ok())
dc.DrawBitmap( *my_horse_pnm, 30, 1300 );
-
+
dc.DrawText( "TIFF handler", 30, 1515 );
- if (my_horse_tiff && my_horse_tiff->Ok())
+ if (my_horse_tiff && my_horse_tiff->Ok())
dc.DrawBitmap( *my_horse_tiff, 30, 1530 );
- if (my_smile_xbm && my_smile_xbm->Ok())
+ 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( 30,30,1 );
+
+
+ wxBitmap mono( 60,50,1 );
wxMemoryDC memdc;
memdc.SelectObject( mono );
- memdc.SetPen( *wxTRANSPARENT_PEN );
- memdc.SetBrush( *wxBLACK_BRUSH );
- memdc.DrawRectangle( 0,0,30,30 );
+ memdc.SetPen( *wxBLACK_PEN );
memdc.SetBrush( *wxWHITE_BRUSH );
- memdc.DrawRectangle( 5,5,20,20 );
+ memdc.DrawRectangle( 0,0,60,50 );
+ memdc.SetTextForeground( *wxBLACK );
+ memdc.DrawText( "Hi!", 5, 5 );
+ memdc.SetBrush( *wxBLACK_BRUSH );
+ memdc.DrawRectangle( 33,5,20,20 );
+ memdc.SetPen( *wxRED_PEN );
+ memdc.DrawLine( 5, 42, 50, 42 );
memdc.SelectObject( wxNullBitmap );
- if (mono.Ok())
+
+ 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.DrawText( "After wxImage conversion", 150, 1845 );
+ dc.DrawBitmap( mono, 30, 1900 );
+
+ dc.SetTextForeground( "BLACK" );
+ dc.DrawText( "After wxImage conversion", 150, 1865 );
+ dc.DrawText( "(red on white)", 150, 1880 );
+ dc.SetTextForeground( "RED" );
wxImage i( mono );
- 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, 1860, TRUE );
+ dc.DrawBitmap( i.ConvertToBitmap(), 150, 1900, TRUE );
+ dc.SetTextForeground( "BLACK" );
+ }
+
+ dc.DrawText("XPM bitmap", 30, 2000);
+ if ( m_bmpSmileXpm.Ok() )
+ {
+ dc.DrawBitmap(m_bmpSmileXpm, 30, 2020, TRUE);
+ }
+
+ dc.DrawText("XPM icon", 150, 2000);
+ if ( m_iconSmileXpm.Ok() )
+ {
+ 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_ABOUT, "&About..");
+ 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 * 1900 height
- m_canvas->SetScrollbars( 10, 10, 50, 200 );
+ // 500 width * 2100 height
+ m_canvas->SetScrollbars( 10, 10, 50, 220 );
}
void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
{
(void)wxMessageBox( "wxImage demo\n"
- "\n"
- "Robert Roebling (c) 1998",
+ "Robert Roebling (c) 1998,2000",
"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