X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d2aa73a8a6c88fdec61da39cf7186fc949f1a078..b911bc32a17f592214fcc37bb942ad3f355e6893:/samples/image/image.cpp?ds=sidebyside diff --git a/samples/image/image.cpp b/samples/image/image.cpp index 92e4e44c98..61fb9a85d4 100644 --- a/samples/image/image.cpp +++ b/samples/image/image.cpp @@ -24,12 +24,21 @@ #include "wx/wfstream.h" #include "wx/quantize.h" +#if wxUSE_CLIPBOARD + #include "wx/dataobj.h" + #include "wx/clipbrd.h" +#endif // wxUSE_CLIPBOARD + #include "smile.xbm" #if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW #include "smile.xpm" #endif +#ifndef __VMS +# include "wx/rawbmp.h" +#define wxHAVE_RAW_BITMAP +#endif // derived classes @@ -60,12 +69,14 @@ public: wxBitmap *my_horse_ico16; wxBitmap *my_horse_ico; wxBitmap *my_horse_cur; + wxBitmap *my_horse_ani; wxBitmap *my_smile_xbm; wxBitmap *my_square; wxBitmap *my_anti; int xH, yH ; + int m_ani_images ; protected: wxBitmap m_bmpSmileXpm; @@ -112,8 +123,16 @@ public: void OnAbout( wxCommandEvent &event ); void OnNewFrame( wxCommandEvent &event ); +#ifdef wxHAVE_RAW_BITMAP + void OnTestRawBitmap( wxCommandEvent &event ); +#endif // wxHAVE_RAW_BITMAP void OnQuit( wxCommandEvent &event ); +#if wxUSE_CLIPBOARD + void OnCopy(wxCommandEvent& event); + void OnPaste(wxCommandEvent& event); +#endif // wxUSE_CLIPBOARD + MyCanvas *m_canvas; private: @@ -127,20 +146,24 @@ public: MyImageFrame(wxFrame *parent, const wxBitmap& bitmap) : wxFrame(parent, -1, _T("Double click to save"), wxDefaultPosition, wxDefaultSize, - wxCAPTION | wxSYSTEM_MENU), + wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX), m_bitmap(bitmap) { SetClientSize(bitmap.GetWidth(), bitmap.GetHeight()); } + void OnEraseBackground(wxEraseEvent& WXUNUSED(event)) + { + // do nothing here to be able to see how transparent images are shown + } + void OnPaint(wxPaintEvent& WXUNUSED(event)) { wxPaintDC dc( this ); - //TRUE for masked images - dc.DrawBitmap( m_bitmap, 0, 0, TRUE ); + dc.DrawBitmap( m_bitmap, 0, 0, TRUE /* use mask */ ); } - void OnSave(wxCommandEvent& WXUNUSED(event)) + void OnSave(wxMouseEvent& WXUNUSED(event)) { wxImage image = m_bitmap.ConvertToImage(); @@ -218,6 +241,80 @@ private: DECLARE_EVENT_TABLE() }; +#ifdef wxHAVE_RAW_BITMAP + +#include "wx/rawbmp.h" + +class MyRawBitmapFrame : public wxFrame +{ +public: + enum + { + BORDER = 15, + SIZE = 150, + REAL_SIZE = SIZE - 2*BORDER + }; + + MyRawBitmapFrame(wxFrame *parent) + : wxFrame(parent, -1, _T("Raw bitmaps (how exciting)")), + m_bitmap(SIZE, SIZE, 32) + { + SetClientSize(SIZE, SIZE); + + wxAlphaPixelData data(m_bitmap, + wxPoint(BORDER, BORDER), + wxSize(REAL_SIZE, REAL_SIZE)); + if ( !data ) + { + wxLogError(_T("Failed to gain raw access to bitmap data")); + return; + } + + data.UseAlpha(); + + wxAlphaPixelData::Iterator p(data); + + for ( int y = 0; y < REAL_SIZE; ++y ) + { + wxAlphaPixelData::Iterator rowStart = p; + + int r = y < REAL_SIZE/3 ? 255 : 0, + g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0, + b = 2*(REAL_SIZE/3) <= y ? 255 : 0; + + for ( int x = 0; x < REAL_SIZE; ++x ) + { + p.Red() = r; + p.Green() = g; + p.Blue() = b; + p.Alpha() = + (wxAlphaPixelFormat::ChannelType)((x*255.)/REAL_SIZE); + + ++p; // same as p.OffsetX(1) + } + + p = rowStart; + p.OffsetY(data, 1); + } + } + + void OnPaint(wxPaintEvent& WXUNUSED(event)) + { + wxPaintDC dc( this ); + dc.DrawText(_T("This is alpha and raw bitmap test"), 0, BORDER); + dc.DrawText(_T("This is alpha and raw bitmap test"), 0, SIZE/2 - BORDER); + dc.DrawText(_T("This is alpha and raw bitmap test"), 0, SIZE - 2*BORDER); + dc.DrawBitmap( m_bitmap, 0, 0, TRUE /* use mask */ ); + } + +private: + wxBitmap m_bitmap; + + DECLARE_EVENT_TABLE() +}; + +#endif // wxHAVE_RAW_BITMAP + // MyApp class MyApp: public wxApp @@ -235,10 +332,19 @@ IMPLEMENT_APP(MyApp) IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow) BEGIN_EVENT_TABLE(MyImageFrame, wxFrame) - EVT_PAINT(MyImageFrame::OnPaint) - EVT_LEFT_DCLICK(MyImageFrame::OnSave) + EVT_ERASE_BACKGROUND(MyImageFrame::OnEraseBackground) + EVT_PAINT(MyImageFrame::OnPaint) + EVT_LEFT_DCLICK(MyImageFrame::OnSave) END_EVENT_TABLE() +#ifdef wxHAVE_RAW_BITMAP + +BEGIN_EVENT_TABLE(MyRawBitmapFrame, wxFrame) + EVT_PAINT(MyRawBitmapFrame::OnPaint) +END_EVENT_TABLE() + +#endif // wxHAVE_RAW_BITMAP + BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow) EVT_PAINT(MyCanvas::OnPaint) END_EVENT_TABLE() @@ -264,11 +370,14 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, my_horse_ico16 = (wxBitmap*) NULL; my_horse_ico = (wxBitmap*) NULL; my_horse_cur = (wxBitmap*) NULL; + my_horse_ani = (wxBitmap*) NULL; my_smile_xbm = (wxBitmap*) NULL; my_square = (wxBitmap*) NULL; my_anti = (wxBitmap*) NULL; + m_ani_images = 0 ; + SetBackgroundColour(* wxWHITE); wxBitmap bitmap( 100, 100 ); @@ -285,9 +394,9 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, // try to find the directory with our images wxString dir; if ( wxFile::Exists(wxT("./horse.png")) ) - dir = "./"; + dir = wxT("./"); else if ( wxFile::Exists(wxT("../horse.png")) ) - dir = "../"; + dir = wxT("../"); else wxLogWarning(wxT("Can't find image files in either '.' or '..'!")); @@ -299,8 +408,8 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, image.Destroy(); - image.LoadFile( dir + _T("test.png") ); - my_square = new wxBitmap( image ); + if ( image.LoadFile( dir + _T("test.png") ) ) + my_square = new wxBitmap( image ); image.Destroy(); @@ -322,7 +431,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, #if wxUSE_GIF image.Destroy(); - if ( !image.LoadFile( dir + wxString("horse.gif"))) + if ( !image.LoadFile( dir + _T("horse.gif" )) ) wxLogError(wxT("Can't load GIF image")); else my_horse_gif = new wxBitmap( image ); @@ -417,26 +526,48 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, xH = 30 + image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X) ; yH = 2420 + image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y) ; } -#endif + + m_ani_images = wxImage::GetImageCount ( dir + _T("horse3.ani"), wxBITMAP_TYPE_ANI ); + if (m_ani_images==0) + wxLogError(wxT("No ANI-format images found")); + else + my_horse_ani = new wxBitmap [m_ani_images]; + int i ; + for (i=0; i < m_ani_images; i++) + { + image.Destroy(); + if (!image.LoadFile( dir + _T("horse3.ani"), wxBITMAP_TYPE_ANI, i )) + { + wxString tmp = wxT("Can't load image number "); + tmp << i ; + wxLogError(tmp); + } + else + my_horse_ani [i] = wxBitmap( image ); + } +#endif // wxUSE_ICO_CUR image.Destroy(); // test image loading from stream wxFile file(dir + _T("horse.bmp")); - off_t len = file.Length(); - void *data = malloc(len); - if ( file.Read(data, len) != len ) - wxLogError(_T("Reading bitmap file failed")); - else + if ( file.IsOpened() ) { - wxMemoryInputStream mis(data, len); - if ( !image.LoadFile(mis) ) - wxLogError(wxT("Can't load BMP image from stream")); + off_t len = file.Length(); + void *data = malloc(len); + if ( file.Read(data, len) != len ) + wxLogError(_T("Reading bitmap file failed")); else - my_horse_bmp2 = new wxBitmap( image ); - } + { + wxMemoryInputStream mis(data, len); + if ( !image.LoadFile(mis) ) + wxLogError(wxT("Can't load BMP image from stream")); + else + my_horse_bmp2 = new wxBitmap( image ); + } - free(data); + free(data); + } } MyCanvas::~MyCanvas() @@ -454,6 +585,7 @@ MyCanvas::~MyCanvas() delete my_horse_ico16; delete my_horse_ico; delete my_horse_cur; + delete [] my_horse_ani; delete my_smile_xbm; delete my_square; delete my_anti; @@ -611,6 +743,13 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) ) dc.DrawLine (xH-10,yH,xH+10,yH); dc.DrawLine (xH,yH-10,xH,yH+10); } + dc.DrawText( _T("ANI handler"), 230, 2390 ); + int i ; + for (i=0; i < m_ani_images; i ++) + if (my_horse_ani[i].Ok()) + { + dc.DrawBitmap( my_horse_ani[i], 230 + i * 2 * my_horse_ani[i].GetWidth() , 2420, TRUE ); + } } void MyCanvas::CreateAntiAliasedBitmap() @@ -664,9 +803,13 @@ void MyCanvas::CreateAntiAliasedBitmap() // MyFrame -const int ID_QUIT = 108; -const int ID_ABOUT = 109; -const int ID_NEW = 110; +enum +{ + ID_QUIT = 108, + ID_ABOUT, + ID_NEW, + ID_SHOWRAW +}; IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame ) @@ -674,21 +817,40 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame) EVT_MENU (ID_ABOUT, MyFrame::OnAbout) EVT_MENU (ID_QUIT, MyFrame::OnQuit) EVT_MENU (ID_NEW, MyFrame::OnNewFrame) +#ifdef wxHAVE_RAW_BITMAP + EVT_MENU (ID_SHOWRAW, MyFrame::OnTestRawBitmap) +#endif + +#if wxUSE_CLIPBOARD + EVT_MENU(wxID_COPY, MyFrame::OnCopy) + EVT_MENU(wxID_PASTE, MyFrame::OnPaste) +#endif // wxUSE_CLIPBOARD END_EVENT_TABLE() MyFrame::MyFrame() : wxFrame( (wxFrame *)NULL, -1, _T("wxImage sample"), wxPoint(20,20), wxSize(470,360) ) { - wxMenu *file_menu = new wxMenu(); - file_menu->Append( ID_NEW, _T("&Show image...")); - file_menu->AppendSeparator(); - file_menu->Append( ID_ABOUT, _T("&About...")); - file_menu->AppendSeparator(); - file_menu->Append( ID_QUIT, _T("E&xit")); - wxMenuBar *menu_bar = new wxMenuBar(); - menu_bar->Append(file_menu, _T("&File")); + + wxMenu *menuImage = new wxMenu; + menuImage->Append( ID_NEW, _T("&Show any image...\tCtrl-O")); + +#ifdef wxHAVE_RAW_BITMAP + menuImage->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R")); +#endif + menuImage->AppendSeparator(); + menuImage->Append( ID_ABOUT, _T("&About...")); + menuImage->AppendSeparator(); + menuImage->Append( ID_QUIT, _T("E&xit\tCtrl-Q")); + menu_bar->Append(menuImage, _T("&Image")); + +#if wxUSE_CLIPBOARD + wxMenu *menuClipboard = new wxMenu; + menuClipboard->Append(wxID_COPY, _T("&Copy test image\tCtrl-C")); + menuClipboard->Append(wxID_PASTE, _T("&Paste image\tCtrl-V")); + menu_bar->Append(menuClipboard, _T("&Clipboard")); +#endif // wxUSE_CLIPBOARD SetMenuBar( menu_bar ); @@ -731,6 +893,50 @@ void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) ) (new MyImageFrame(this, wxBitmap(image)))->Show(); } +#ifdef wxHAVE_RAW_BITMAP + +void MyFrame::OnTestRawBitmap( wxCommandEvent &event ) +{ + (new MyRawBitmapFrame(this))->Show(); +} + +#endif // wxHAVE_RAW_BITMAP + +#if wxUSE_CLIPBOARD + +void MyFrame::OnCopy(wxCommandEvent& WXUNUSED(event)) +{ + wxBitmapDataObject *dobjBmp = new wxBitmapDataObject; + dobjBmp->SetBitmap(*m_canvas->my_horse_png); + + wxTheClipboard->Open(); + + if ( !wxTheClipboard->SetData(dobjBmp) ) + { + wxLogError(_T("Failed to copy bitmap to clipboard")); + } + + wxTheClipboard->Close(); +} + +void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event)) +{ + wxBitmapDataObject dobjBmp; + + wxTheClipboard->Open(); + if ( !wxTheClipboard->GetData(dobjBmp) ) + { + wxLogMessage(_T("No bitmap data in the clipboard")); + } + else + { + (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show(); + } + wxTheClipboard->Close(); +} + +#endif // wxUSE_CLIPBOARD + //----------------------------------------------------------------------------- // MyApp //----------------------------------------------------------------------------- @@ -768,6 +974,7 @@ bool MyApp::OnInit() #if wxUSE_ICO_CUR wxImage::AddHandler( new wxICOHandler ); wxImage::AddHandler( new wxCURHandler ); + wxImage::AddHandler( new wxANIHandler ); #endif wxFrame *frame = new MyFrame();