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added Rotate() test

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45666 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-04-26 12:50:04 +00:00
parent 1b54a5d2cc
commit 1d8acb7d4d
1 changed files with 47 additions and 6 deletions
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53
samples/image/image.cpp
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@@ -135,15 +135,36 @@ private:
DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// Frame used for showing a standalone image
// ----------------------------------------------------------------------------
enum
{
ID_ROTATE_LEFT = 100,
ID_ROTATE_RIGHT
};
class MyImageFrame : public wxFrame
{
public:
MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)
: wxFrame(parent, wxID_ANY, _T("Double click to save"),
MyImageFrame(wxFrame *parent, const wxString& desc, const wxBitmap& bitmap)
: wxFrame(parent, wxID_ANY,
wxString::Format(_T("Image from %s"), desc.c_str()),
wxDefaultPosition, wxDefaultSize,
wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX),
m_bitmap(bitmap)
{
wxMenu *menu = new wxMenu;
menu->Append(wxID_SAVE);
menu->AppendSeparator();
menu->Append(ID_ROTATE_LEFT, _T("Rotate &left\tCtrl-L"));
menu->Append(ID_ROTATE_RIGHT, _T("Rotate &right\tCtrl-R"));
wxMenuBar *mbar = new wxMenuBar;
mbar->Append(menu, _T("&Image"));
SetMenuBar(mbar);
SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
}
@@ -158,7 +179,7 @@ public:
dc.DrawBitmap( m_bitmap, 0, 0, true /* use mask */ );
}
void OnSave(wxMouseEvent& WXUNUSED(event))
void OnSave(wxCommandEvent& WXUNUSED(event))
{
#if wxUSE_FILEDLG
wxImage image = m_bitmap.ConvertToImage();
@@ -284,6 +305,24 @@ public:
#endif // wxUSE_FILEDLG
}
void OnRotate(wxCommandEvent& event)
{
double angle = 5;
if ( event.GetId() == ID_ROTATE_LEFT )
angle = -angle;
wxImage img(m_bitmap.ConvertToImage());
img = img.Rotate(angle, wxPoint(0, 0));//wxPoint(img.GetWidth() / 2, img.GetHeight() / 2));
if ( !img.Ok() )
{
wxLogWarning(_T("Rotation failed"));
return;
}
m_bitmap = wxBitmap(img);
Refresh();
}
private:
wxBitmap m_bitmap;
@@ -448,7 +487,9 @@ IMPLEMENT_APP(MyApp)
BEGIN_EVENT_TABLE(MyImageFrame, wxFrame)
EVT_ERASE_BACKGROUND(MyImageFrame::OnEraseBackground)
EVT_PAINT(MyImageFrame::OnPaint)
EVT_LEFT_DCLICK(MyImageFrame::OnSave)
EVT_MENU(wxID_SAVE, MyImageFrame::OnSave)
EVT_MENU_RANGE(ID_ROTATE_LEFT, ID_ROTATE_RIGHT, MyImageFrame::OnRotate)
END_EVENT_TABLE()
#ifdef wxHAVE_RAW_BITMAP
@@ -1114,7 +1155,7 @@ void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) )
return;
}
(new MyImageFrame(this, wxBitmap(image)))->Show();
(new MyImageFrame(this, filename, wxBitmap(image)))->Show();
#endif // wxUSE_FILEDLG
}
@@ -1155,7 +1196,7 @@ void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
}
else
{
(new MyImageFrame(this, dobjBmp.GetBitmap()))->Show();
(new MyImageFrame(this, _T("Clipboard"), dobjBmp.GetBitmap()))->Show();
}
wxTheClipboard->Close();
}