X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c66972ccc2e30bb737cdbfa64b6ea22964faa7f0..288b6107e1060b57ec50048d06cfc3f22bc11e0c:/samples/image/image.cpp

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index ae7d3d1324..2ea3512b84 100644
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -135,16 +135,44 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
+// ----------------------------------------------------------------------------
+// Frame used for showing a standalone image
+// ----------------------------------------------------------------------------
+
+enum
+{
+    ID_ROTATE_LEFT = 100,
+    ID_ROTATE_RIGHT,
+    ID_RESIZE
+};
+
 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),
+                  wxDEFAULT_FRAME_STYLE | wxFULL_REPAINT_ON_RESIZE),
                   m_bitmap(bitmap)
     {
+        wxMenu *menu = new wxMenu;
+        menu->Append(wxID_SAVE);
+        menu->AppendSeparator();
+        menu->Append(ID_RESIZE, _T("&Fit to window\tCtrl-F"));
+        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);
+
+        CreateStatusBar();
+
         SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
+
+        UpdateStatusBar();
     }
 
     void OnEraseBackground(wxEraseEvent& WXUNUSED(event))
@@ -154,11 +182,15 @@ public:
 
     void OnPaint(wxPaintEvent& WXUNUSED(event))
     {
-        wxPaintDC dc( this );
-        dc.DrawBitmap( m_bitmap, 0, 0, true /* use mask */ );
+        wxPaintDC dc(this);
+        const wxSize size = GetClientSize();
+        dc.DrawBitmap(m_bitmap,
+                      (size.x - m_bitmap.GetWidth())/2,
+                      (size.y - m_bitmap.GetHeight())/2,
+                      true /* use mask */);
     }
 
-    void OnSave(wxMouseEvent& WXUNUSED(event))
+    void OnSave(wxCommandEvent& WXUNUSED(event))
     {
 #if wxUSE_FILEDLG
         wxImage image = m_bitmap.ConvertToImage();
@@ -284,7 +316,46 @@ public:
 #endif // wxUSE_FILEDLG
     }
 
+    void OnResize(wxCommandEvent& WXUNUSED(event))
+    {
+        wxImage img(m_bitmap.ConvertToImage());
+
+        const wxSize size = GetClientSize();
+        img.Rescale(size.x, size.y, wxIMAGE_QUALITY_HIGH);
+        m_bitmap = wxBitmap(img);
+
+        UpdateStatusBar();
+        Refresh();
+    }
+
+    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(img.GetWidth() / 2, img.GetHeight() / 2));
+        if ( !img.Ok() )
+        {
+            wxLogWarning(_T("Rotation failed"));
+            return;
+        }
+
+        m_bitmap = wxBitmap(img);
+
+        UpdateStatusBar();
+        Refresh();
+    }
+
 private:
+    void UpdateStatusBar()
+    {
+        wxLogStatus(this, _T("Image size: (%d, %d)"),
+                    m_bitmap.GetWidth(),
+                    m_bitmap.GetHeight());
+    }
+
     wxBitmap m_bitmap;
 
     DECLARE_EVENT_TABLE()
@@ -326,7 +397,6 @@ public:
                 wxLogError(_T("Failed to gain raw access to bitmap data"));
                 return;
             }
-            data.UseAlpha();
             wxAlphaPixelData::Iterator p(data);
             for ( int y = 0; y < SIZE; ++y )
             {
@@ -350,7 +420,6 @@ public:
             return;
         }
 
-        data.UseAlpha();
         wxAlphaPixelData::Iterator p(data);
 
         for ( int y = 0; y < REAL_SIZE; ++y )
@@ -448,7 +517,10 @@ 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)
+    EVT_MENU(ID_RESIZE, MyImageFrame::OnResize)
 END_EVENT_TABLE()
 
 #ifdef wxHAVE_RAW_BITMAP
@@ -1114,7 +1186,7 @@ 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 +1227,7 @@ void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
     }
     else
     {
-        (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show();
+        (new MyImageFrame(this, _T("Clipboard"), dobjBmp.GetBitmap()))->Show();
     }
     wxTheClipboard->Close();
 }
@@ -1168,6 +1240,9 @@ void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
 
 bool MyApp::OnInit()
 {
+    if ( !wxApp::OnInit() )
+        return false;
+
     wxInitAllImageHandlers();
 
     wxFrame *frame = new MyFrame();