// helpers for creating bitmaps
wxBitmap CreateBitmap(const wxColour& colour);
- wxBitmap CreateRandomBitmap(wxString* pStr);
wxBitmap LoadBitmap(const wxString& filepath);
wxBitmap QueryBitmap(wxString* pStr);
void BitmapComboBoxWidgetsPage::OnButtonAddSeveralWithImages(wxCommandEvent& WXUNUSED(event))
{
- int i;
+ static const struct TestEntry
+ {
+ const char *text;
+ unsigned long rgb;
+ } s_entries[] =
+ {
+ { "Red circle", 0x0000ff },
+ { "Blue circle", 0xff0000 },
+ { "Green circle", 0x00ff00 },
+ { "Black circle", 0x000000 },
+ };
- for ( i=0; i<4; i++ )
+ for ( int i = 0; i < WXSIZEOF(s_entries); i++ )
{
- wxString s;
- wxBitmap bmp = CreateRandomBitmap(&s);
- m_combobox->Append(s, bmp);
+ const TestEntry& e = s_entries[i];
+ m_combobox->Append(e.text, CreateBitmap(wxColour(e.rgb)));
}
}
wxBitmap BitmapComboBoxWidgetsPage::CreateBitmap(const wxColour& colour)
{
- int ch = m_combobox->GetBitmapSize().y;
- int h0 = ch - 5;
-
- long w = ch;
- long h = ch;
-
- if ( w <= 0 )
- w = h0 - 1;
- if ( h <= 0 )
- h = h0;
- if ( h > ch )
- h = ch;
+ const int w = 10,
+ h = 10;
wxMemoryDC dc;
- wxBitmap bmp(w,h);
+ wxBitmap bmp(w, h);
dc.SelectObject(bmp);
// Draw transparent background
- wxColour magic(255,0,255);
+ wxColour magic(255, 0, 255);
wxBrush magicBrush(magic);
dc.SetBrush(magicBrush);
dc.SetPen(*wxTRANSPARENT_PEN);
- dc.DrawRectangle(0,0,bmp.GetWidth(),bmp.GetHeight());
+ dc.DrawRectangle(0, 0, w, h);
// Draw image content
dc.SetBrush(wxBrush(colour));
- dc.DrawCircle(h/2,h/2+1,(h/2));
+ dc.DrawCircle(h/2, h/2+1, h/2);
dc.SelectObject(wxNullBitmap);
return bmp;
}
-wxBitmap BitmapComboBoxWidgetsPage::CreateRandomBitmap( wxString* pStr )
-{
- int i = rand() % 6;
- const wxChar* str = wxT("");
- wxBitmap bmp;
-
- if ( i == 0 )
- {
- str = wxT("Red Circle");
- bmp = CreateBitmap( *wxRED );
- }
- else if ( i == 1 )
- {
- str = wxT("Green Circle");
- bmp = CreateBitmap( *wxGREEN );
- }
- else if ( i == 2 )
- {
- str = wxT("Blue Circle");
- bmp = CreateBitmap( *wxBLUE );
- }
- else if ( i == 3 )
- {
- str = wxT("Black Circle");
- bmp = CreateBitmap( *wxBLACK );
- }
- else if ( i == 4 )
- {
- str = wxT("Cyan Circle");
- bmp = CreateBitmap( *wxCYAN );
- }
- else if ( i == 5 )
- {
- str = wxT("Light Grey Circle");
- bmp = CreateBitmap( *wxLIGHT_GREY );
- }
-
- if ( pStr )
- *pStr = str;
-
- return bmp;
-}
-
-#endif //wxUSE_BITMAPCOMBOBOX
+#endif // wxUSE_BITMAPCOMBOBOX