X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/12338247ae05398649387893b7072ca6514bfde9..204e4cd6ee65758d39a89402a85ecd07ecf364f2:/samples/image/image.cpp diff --git a/samples/image/image.cpp b/samples/image/image.cpp index 3565381acf..f51297399e 100644 --- a/samples/image/image.cpp +++ b/samples/image/image.cpp @@ -35,7 +35,8 @@ #include "smile.xpm" #endif -#if defined(__WXMSW__) +#if defined(__WXMSW__) || defined(__WXMAC__) + #include "wx/rawbmp.h" #define wxHAVE_RAW_BITMAP #endif @@ -127,7 +128,7 @@ public: #endif // wxHAVE_RAW_BITMAP void OnQuit( wxCommandEvent &event ); -#if wxUSE_CLIPBOARD && !defined(__WXMOTIF_) +#if wxUSE_CLIPBOARD void OnCopy(wxCommandEvent& event); void OnPaste(wxCommandEvent& event); #endif // wxUSE_CLIPBOARD @@ -260,7 +261,11 @@ public: { SetClientSize(SIZE, SIZE); - wxRawBitmapData data(m_bitmap); + // another possibility: wxNativePixelData (don't forget to remove code + // setting alpha in the loop below then) + typedef wxAlphaPixelData Data; + + Data data(m_bitmap, wxPoint(BORDER, BORDER), wxSize(REAL_SIZE, REAL_SIZE)); if ( !data ) { wxLogError(_T("Failed to gain raw access to bitmap data")); @@ -269,13 +274,11 @@ public: data.UseAlpha(); - wxRawBitmapIterator p(data); - - p.Offset(BORDER, BORDER); + Data::Iterator p(data); for ( int y = 0; y < REAL_SIZE; ++y ) { - wxRawBitmapIterator rowStart = p; + Data::Iterator rowStart = p; int r = y < REAL_SIZE/3 ? 255 : 0, g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0, @@ -286,13 +289,13 @@ public: p.Red() = r; p.Green() = g; p.Blue() = b; - p.Alpha() = (x*255.)/REAL_SIZE; + p.Alpha() = (Data::Iterator::ChannelType)((x*255.)/REAL_SIZE); ++p; // same as p.OffsetX(1) } p = rowStart; - p.OffsetY(1); + p.OffsetY(data, 1); } } @@ -406,8 +409,8 @@ 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(); @@ -549,20 +552,23 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id, // 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() @@ -816,7 +822,7 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame) EVT_MENU (ID_SHOWRAW, MyFrame::OnTestRawBitmap) #endif -#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__) +#if wxUSE_CLIPBOARD EVT_MENU(wxID_COPY, MyFrame::OnCopy) EVT_MENU(wxID_PASTE, MyFrame::OnPaste) #endif // wxUSE_CLIPBOARD @@ -830,6 +836,7 @@ MyFrame::MyFrame() 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 @@ -839,7 +846,7 @@ MyFrame::MyFrame() menuImage->Append( ID_QUIT, _T("E&xit\tCtrl-Q")); menu_bar->Append(menuImage, _T("&Image")); -#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__) +#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")); @@ -896,22 +903,28 @@ void MyFrame::OnTestRawBitmap( wxCommandEvent &event ) #endif // wxHAVE_RAW_BITMAP -#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__) +#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")); @@ -920,6 +933,7 @@ void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event)) { (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show(); } + wxTheClipboard->Close(); } #endif // wxUSE_CLIPBOARD