DrawText - Problem with background color
Hello,
I have the following code:
I am trying to change the background colour for the rectangle (of the DrawText), but the background colour only comes when there is text in the rectangle.
Code:
void EmfCellListRend::DrawRectangle(EmfCellListRendDrawingParams* pParams, TDC& dc, CEmfCellList *pCelllist, int nEmfUnit, bool bDisplayRight)
{
ILogicalLayerManager& rLogLayManager = DataManager::GetInstance().GetLogicalLayer();
// The font is not changing when i use the owl dc to mfc dc.
// Need to check why !!!
CDC* pDC = CDC::FromHandle(dc.GetHDC());
CFont* pCurrent = pDC->GetCurrentFont();
// TODO_PRIYA_EMF3: Choosing a new font (unrelated to dc context works)
CFont font;
font.CreatePointFont(80, _T("Verdana"));
CFont* pOldFont = pDC->SelectObject(&font);
SetBkMode(dc, OPAQUE);
SetBkColor(dc, TColor(RGB(0, 255, 0)));
tstring sEmfUnit =_T(TXPower2::GetEmfUnitString(TXPower2::GetCurrentEmfUnit()));
tstring sFinaText =_T("EMF Cell list ");
sFinaText +=sEmfUnit;
for (int i = 0; i < (int)pParams->GetNumCovCells(); i++)
{
const MultiTechCell* pObjCell((const MultiTechCell*)rLogLayManager.Find(OT_MULTI_TECH_CELL, pCelllist[i].m_CellKey));
tstring sNewLine = _T("\n");
TgNetType eTechType = pObjCell->GetActiveTechnologyMode();
CString strTechType = MAIN_NET_TYPE_STRINGS_SWITCH( eTechType );
std::string str(strTechType, strTechType.GetLength());
tstring sTechtype = _T(str);
tstring sCellId = _T(pObjCell->GetID());
const double dCurrentEmf_dBVm = pCelllist[i].m_dCellEMF_dBVm;
ASSERT(dCurrentEmf_dBVm > -200.0);// If dCurrentEmf_dBVm is <= -200.0, we should probably force dCurrentEmf_dBVm to be -200 also ??
// Convert dBV/m to dBmW/m2 if necessary
TXPower2 helper(dCurrentEmf_dBVm, EMFUNIT::dBVm);
const EMFUNIT emfUnit = TXPower2::GetCurrentEmfUnit(); // The EMF unit chosen by the user in the preferences
const double dEmf = static_cast<float>(helper.EMFLevelAs( emfUnit )); // Either dBV/m or dBmW/m2
sFinaText+=sNewLine+sTechtype+" "+sCellId+" "+_T(std::to_string(dEmf));
}
HWND hwnd = WindowFromDC(dc);
CRect rect;
GetClientRect(hwnd, &rect);
RECT rc={ 0, 0, 400, 0 };
UINT format = DT_LEFT | DT_TOP | DT_EDITCONTROL | DT_WORDBREAK;
DrawText(dc, sFinaText.c_str(), -1, &rc, format | DT_CALCRECT);
// Adjust co-ordinates of rectangle, to fit the parent window and shift
// rectangle to right.
// From the mouse co-ordinates, check if co-ordinates fall on
// right corner, choose to display on left and vice versa.
if( bDisplayRight)
{
int long temp = rc.right - rc.left;
rc.left = rect.right - temp;
rc.right = rect.right;
rc.top = rect.top;
}
DrawText(dc, sFinaText.c_str(), -1, &rc, format);
pDC->SelectObject(pCurrent) ;
DeleteDC(dc);
dc.RestorePen();
Is there anyway to change for the full rectangle ?
thankyou very much for the comments and help :)
Re: DrawText - Problem with background color
Btw, Now the background color changes for the entire rectangle with the followig code change.
Code:
void EmfCellListRend::DrawRectangle(EmfCellListRendDrawingParams* pParams, TDC& dc, CEmfCellList *pCelllist, int nEmfUnit, bool bDisplayRight)
{
ILogicalLayerManager& rLogLayManager = DataManager::GetInstance().GetLogicalLayer();
// The font is not changing when i use the owl dc to mfc dc.
// Need to check why !!!
CDC* pDC = CDC::FromHandle(dc.GetHDC());
CFont* pCurrent = pDC->GetCurrentFont();
// TODO_PRIYA_EMF3: Choosing a new font (unrelated to dc context works)
CFont font;
font.CreatePointFont(80, _T("Verdana"));
CFont* pOldFont = pDC->SelectObject(&font);
SetBkMode(dc, OPAQUE);
SetBkColor(dc, TColor(RGB(50, 151, 151)));
tstring sEmfUnit =_T(TXPower2::GetEmfUnitString(TXPower2::GetCurrentEmfUnit()));
tstring sFinaText =_T("EMF Cell list ");
sFinaText +=sEmfUnit;
for (int i = 0; i < (int)pParams->GetNumCovCells(); i++)
{
const MultiTechCell* pObjCell((const MultiTechCell*)rLogLayManager.Find(OT_MULTI_TECH_CELL, pCelllist[i].m_CellKey));
tstring sNewLine = _T("\n");
TgNetType eTechType = pObjCell->GetActiveTechnologyMode();
CString strTechType = MAIN_NET_TYPE_STRINGS_SWITCH( eTechType );
std::string str(strTechType, strTechType.GetLength());
tstring sTechtype = _T(str);
tstring sCellId = _T(pObjCell->GetID());
const double dCurrentEmf_dBVm = pCelllist[i].m_dCellEMF_dBVm;
ASSERT(dCurrentEmf_dBVm > -200.0);// If dCurrentEmf_dBVm is <= -200.0, we should probably force dCurrentEmf_dBVm to be -200 also ??
// Convert dBV/m to dBmW/m2 if necessary
TXPower2 helper(dCurrentEmf_dBVm, EMFUNIT::dBVm);
const EMFUNIT emfUnit = TXPower2::GetCurrentEmfUnit(); // The EMF unit chosen by the user in the preferences
const double dEmf = static_cast<float>(helper.EMFLevelAs( emfUnit )); // Either dBV/m or dBmW/m2
sFinaText+=sNewLine+sTechtype+" "+sCellId+" "+_T(std::to_string(dEmf));
}
HWND hwnd = WindowFromDC(dc);
CRect rect;
GetClientRect(hwnd, &rect);
RECT rc={ 0, 0, 400, 0 };
UINT format = DT_LEFT | DT_TOP | DT_EDITCONTROL | DT_WORDBREAK;
DrawText(dc, sFinaText.c_str(), -1, &rc, format | DT_CALCRECT);
// Adjust co-ordinates of rectangle, to fit the parent window and shift
// rectangle to right.
// From the mouse co-ordinates, check if co-ordinates fall on
// right corner, choose to display on left and vice versa.
if( bDisplayRight)
{
int long temp = rc.right - rc.left;
rc.left = rect.right - temp;
rc.right = rect.right;
rc.top = rect.top;
}
HBRUSH brush = CreateSolidBrush(RGB(50, 151, 151));
FillRect(dc, &rc, brush);
DeleteObject(brush);
DrawText(dc, sFinaText.c_str(), -1, &rc, format);
pDC->SelectObject(pCurrent) ;
DeleteDC(dc);
dc.RestorePen();
Not sure if the code is correct. But works ok. I plan to add boarders lines to rectangle ... (need to check that :)
