X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9d8bdf2dbc7c82e878038689db77e18556bad06c..19e30148e18cc99296b26503c155e5cef59045f4:/samples/image/image.cpp diff --git a/samples/image/image.cpp b/samples/image/image.cpp index 625b8dc375..262078f92c 100644 --- 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/quantize.h" #include "smile.xbm" #include "smile.xpm" @@ -51,11 +52,17 @@ public: wxBitmap *my_horse_pnm; wxBitmap *my_horse_tiff; wxBitmap *my_horse_xpm; + wxBitmap *my_horse_ico32; + wxBitmap *my_horse_ico16; + wxBitmap *my_horse_ico; + wxBitmap *my_horse_cur; wxBitmap *my_smile_xbm; wxBitmap *my_square; wxBitmap *my_anti; + int xH, yH ; + protected: wxBitmap m_bmpSmileXpm; wxIcon m_iconSmileXpm; @@ -65,8 +72,35 @@ private: 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: @@ -87,10 +121,10 @@ class MyImageFrame : public wxFrame { 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()); } @@ -98,7 +132,80 @@ public: void OnPaint(wxPaintEvent& WXUNUSED(event)) { wxPaintDC dc( this ); - dc.DrawBitmap( m_bitmap, 0, 0 ); + //TRUE for masked images + dc.DrawBitmap( m_bitmap, 0, 0, TRUE ); + } + + void OnSave(wxCommandEvent& WXUNUSED(event)) + { + wxImage image = m_bitmap.ConvertToImage(); + + int bppselection = wxGetSingleChoiceIndex("Set BMP BPP", + "Set BMP BPP", + nChoices, + bppchoices, + this); + if ( bppselection == -1 ) + { + // cancelled + return; + } + + image.SetOption(wxIMAGE_OPTION_BMP_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|") + wxT("ICO files (*.ico)|*.ico|") + wxT("CUR files (*.cur)|*.cur"), + wxSAVE); + + if ( savefilename.empty() ) + return; + + if ( image.GetOptionInt(wxIMAGE_OPTION_BMP_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 loaded; + wxString extension = savefilename.AfterLast('.').Lower(); + + if (extension == "cur") + { + image.Rescale(32,32); + image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, 0); + image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, 0); + // This shows how you can save an image with explicitly + // specified image format: + loaded = image.SaveFile(savefilename, wxBITMAP_TYPE_CUR); + } + else + { + // This one guesses image format from filename extension + // (it may fail if the extension is not recognized): + loaded = image.SaveFile(savefilename); + } + + if ( !loaded ) + wxMessageBox("No handler for this file type.", + "File was not saved", + wxOK|wxCENTRE, this); } private: @@ -124,7 +231,8 @@ IMPLEMENT_APP(MyApp) 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) @@ -147,6 +255,11 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, my_horse_pnm = (wxBitmap*) NULL; my_horse_tiff = (wxBitmap*) NULL; my_horse_xpm = (wxBitmap*) NULL; + my_horse_ico32 = (wxBitmap*) NULL; + my_horse_ico16 = (wxBitmap*) NULL; + my_horse_ico = (wxBitmap*) NULL; + my_horse_cur = (wxBitmap*) NULL; + my_smile_xbm = (wxBitmap*) NULL; my_square = (wxBitmap*) NULL; my_anti = (wxBitmap*) NULL; @@ -157,7 +270,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, 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 ); @@ -166,18 +279,18 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, // 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(); @@ -187,7 +300,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, 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 @@ -196,7 +309,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, 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 @@ -204,8 +317,9 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, #if wxUSE_GIF image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.gif")) ) - wxLogError("Can't load GIF image"); + if ( !image.LoadFile( dir + wxString("horse.gif"))) + //if ( !image.LoadFile( wxString("\\slidbar.gif"), wxBITMAP_TYPE_GIF, -2) ) + wxLogError(wxT("Can't load GIF image")); else my_horse_gif = new wxBitmap( image ); #endif @@ -214,7 +328,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, 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 @@ -222,7 +336,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, 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 ); @@ -230,19 +344,19 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, 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 @@ -251,7 +365,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, 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 @@ -266,6 +380,42 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, if ( m_bmpSmileXpm.Ok() ) m_bmpSmileXpm.SaveFile("saved.xpm", wxBITMAP_TYPE_XPM); #endif + +#if wxUSE_ICO_CUR + image.Destroy(); + + if ( !image.LoadFile( dir + wxString("horse.ico"), wxBITMAP_TYPE_ICO, 0 ) ) + wxLogError(wxT("Can't load first ICO image")); + else + my_horse_ico32 = new wxBitmap( image ); + + image.Destroy(); + + if ( !image.LoadFile( dir + wxString("horse.ico"), wxBITMAP_TYPE_ICO, 1 ) ) + wxLogError(wxT("Can't load second ICO image")); + else + my_horse_ico16 = new wxBitmap( image ); + + image.Destroy(); + + if ( !image.LoadFile( dir + wxString("horse.ico") ) ) + wxLogError(wxT("Can't load best ICO image")); + else + my_horse_ico = new wxBitmap( image ); + + image.Destroy(); + + if ( !image.LoadFile( dir + wxString("horse.cur"), wxBITMAP_TYPE_CUR ) ) + wxLogError(wxT("Can't load best ICO image")); + else + { + my_horse_cur = new wxBitmap( image ); + xH = 30 + image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X) ; + yH = 2420 + image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y) ; + } + +#endif + } MyCanvas::~MyCanvas() @@ -278,6 +428,10 @@ MyCanvas::~MyCanvas() delete my_horse_pcx; delete my_horse_tiff; delete my_horse_xpm; + delete my_horse_ico32; + delete my_horse_ico16; + delete my_horse_ico; + delete my_horse_cur; delete my_smile_xbm; delete my_square; delete my_anti; @@ -292,7 +446,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) 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 ); @@ -339,26 +493,27 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) if (my_horse_xpm && my_horse_xpm->Ok()) dc.DrawBitmap( *my_horse_xpm, 30, 1760 ); + if (my_smile_xbm && my_smile_xbm->Ok()) { 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().Red(), wxRED_PEN->GetColour().Green(), wxRED_PEN->GetColour().Blue() ); - dc.DrawBitmap( i.ConvertToBitmap(), 150, 2010, TRUE ); - dc.SetTextForeground( "BLACK" ); + dc.DrawBitmap( wxBitmap(i), 150, 2010, TRUE ); + dc.SetTextForeground( wxT("BLACK") ); } @@ -380,22 +535,22 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) { 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().Red(), wxRED_PEN->GetColour().Green(), wxRED_PEN->GetColour().Blue() ); - dc.DrawBitmap( i.ConvertToBitmap(), 150, 2130, TRUE ); - dc.SetTextForeground( "BLACK" ); + dc.DrawBitmap( wxBitmap(i), 150, 2130, TRUE ); + dc.SetTextForeground( wxT("BLACK") ); } dc.DrawText("XPM bitmap", 30, 2230); @@ -409,6 +564,27 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) { dc.DrawIcon(m_iconSmileXpm, 150, 2250); } + + dc.DrawText( "ICO handler (1st image)", 30, 2290 ); + if (my_horse_ico32 && my_horse_ico32->Ok()) + dc.DrawBitmap( *my_horse_ico32, 30, 2330, TRUE ); + + dc.DrawText( "ICO handler (2nd image)", 230, 2290 ); + if (my_horse_ico16 && my_horse_ico16->Ok()) + dc.DrawBitmap( *my_horse_ico16, 230, 2330, TRUE ); + + dc.DrawText( "ICO handler (best image)", 430, 2290 ); + if (my_horse_ico && my_horse_ico->Ok()) + dc.DrawBitmap( *my_horse_ico, 430, 2330, TRUE ); + + dc.DrawText( "CUR handler", 30, 2390 ); + if (my_horse_cur && my_horse_cur->Ok()) + { + dc.DrawBitmap( *my_horse_cur, 30, 2420, TRUE ); + dc.SetPen (*wxRED_PEN); + dc.DrawLine (xH-10,yH,xH+10,yH); + dc.DrawLine (xH,yH-10,xH,yH+10); + } } void MyCanvas::CreateAntiAliasedBitmap() @@ -422,7 +598,7 @@ void MyCanvas::CreateAntiAliasedBitmap() 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 ); @@ -457,7 +633,7 @@ void MyCanvas::CreateAntiAliasedBitmap() blue = blue/4; anti.SetRGB( x, y, red, green, blue ); } - my_anti = new wxBitmap( anti.ConvertToBitmap() ); + my_anti = new wxBitmap(anti); } // MyFrame @@ -496,8 +672,8 @@ MyFrame::MyFrame() m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) ); - // 500 width * 2100 height - m_canvas->SetScrollbars( 10, 10, 50, 220 ); + // 500 width * 2500 height + m_canvas->SetScrollbars( 10, 10, 50, 250 ); } void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) ) @@ -526,7 +702,7 @@ void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) ) return; } - (new MyImageFrame(this, image.ConvertToBitmap()))->Show(); + (new MyImageFrame(this, wxBitmap(image)))->Show(); } //----------------------------------------------------------------------------- @@ -563,6 +739,11 @@ bool MyApp::OnInit() wxImage::AddHandler( new wxXPMHandler ); #endif +#if wxUSE_ICO_CUR + wxImage::AddHandler( new wxICOHandler ); + wxImage::AddHandler( new wxCURHandler ); +#endif + wxFrame *frame = new MyFrame(); frame->Show( TRUE );