C++ (Cpp) wxDC::CalcBoundingBoxの例

コード例 #1

ファイル: main.cpp プロジェクト: DanielChesters/treesheets

void MyDrawText(wxDC &dc, const wxString &s, wxCoord x, wxCoord y, wxCoord w, wxCoord h)
{
    #ifdef __WXMSW__   // this special purpose implementation is because the MSW implementation calls TextExtent, which costs 25% of all cpu time
        //wxMSWDCImpl *impl = (wxMSWDCImpl *)dc.GetImpl();
        //impl->DrawAnyText(s, x, y);   // protected, sigh
        dc.CalcBoundingBox(x, y);
        dc.CalcBoundingBox(x + w, y + h);

        HDC hdc = (HDC)dc.GetHDC();
        ::SetTextColor(hdc, dc.GetTextForeground().GetPixel());
        ::SetBkColor(hdc, dc.GetTextBackground().GetPixel());
        ::ExtTextOut(hdc, x, y, 0, NULL, s.c_str(), s.length(), NULL);
    #else
        dc.DrawText(s, x, y);
    #endif
}