X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/da9df1f51eddaf0a14aed8280186ce2d839a89c5..fca36d9a0301c9bff307361f1f94048897ce2ae5:/samples/image/image.cpp?ds=inline diff --git a/samples/image/image.cpp b/samples/image/image.cpp index b0e8976aca..734eadf90e 100644 --- a/samples/image/image.cpp +++ b/samples/image/image.cpp @@ -34,10 +34,8 @@ #if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW #include "smile.xpm" #endif +#include "wx/rawbmp.h" -#if defined(__WXMSW__) - #define wxHAVE_RAW_BITMAP -#endif // derived classes @@ -145,7 +143,7 @@ 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()); @@ -260,20 +258,22 @@ public: { SetClientSize(SIZE, SIZE); - wxRawBitmapData data(m_bitmap); + 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; } - wxRawBitmapIterator p(data); + data.UseAlpha(); - p.Offset(BORDER, BORDER); + wxAlphaPixelData::Iterator p(data); for ( int y = 0; y < REAL_SIZE; ++y ) { - wxRawBitmapIterator rowStart = p; + wxAlphaPixelData::Iterator rowStart = p; int r = y < REAL_SIZE/3 ? 255 : 0, g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0, @@ -284,13 +284,13 @@ public: p.Red() = r; p.Green() = g; p.Blue() = b; - p.Alpha() = x; + p.Alpha() = (x*255.)/REAL_SIZE; ++p; // same as p.OffsetX(1) } p = rowStart; - p.OffsetY(1); + p.OffsetY(data, 1); } } @@ -404,8 +404,8 @@ 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(); @@ -547,20 +547,23 @@ 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() @@ -828,6 +831,7 @@ 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 @@ -901,15 +905,21 @@ 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")); @@ -918,6 +928,7 @@ void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event)) { (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show(); } + wxTheClipboard->Close(); } #endif // wxUSE_CLIPBOARD