BOOL CBCGPTagManager::ParseColor (const CString& strItem, CBCGPColor& value)
{
CBCGPTagManager tm (strItem);
CStringArray sa;
CString strA, strR, strG, strB;
tm.ExcludeTag (s_A, strA);
strA.TrimLeft ();
strA.TrimRight ();
tm.ExcludeTag (s_R, strR);
strR.TrimLeft ();
strR.TrimRight ();
tm.ExcludeTag (s_G, strG);
strG.TrimLeft ();
strG.TrimRight ();
tm.ExcludeTag (s_B, strB);
strB.TrimLeft ();
strB.TrimRight ();
if (strR.IsEmpty () || strG.IsEmpty () || strB.IsEmpty ())
{
if (!ParseString (strItem, _T(","), sa, TRUE, FALSE))
{
strR = tm.GetBuffer ();
strR.TrimLeft ();
strR.TrimRight ();
sa.Add (strR);
}
}
else
{
sa.Add (strR);
sa.Add (strG);
sa.Add (strB);
if (!strA.IsEmpty ())
{
sa.Add (strA);
}
}
if (sa.GetSize () > 0)
{
const int count = (int) sa.GetSize ();
if (count >= 3)
{
value.r = bcg_clamp((double)_ttol(sa[0]) / 255.0, 0.0, 1.0);
value.g = bcg_clamp((double)_ttol(sa[1]) / 255.0, 0.0, 1.0);
value.b = bcg_clamp((double)_ttol(sa[2]) / 255.0, 0.0, 1.0);
value.a = count == 4 ? bcg_clamp((double)_ttol(sa[3]) / 255.0, 0.0, 1.0) : 1.0;
return TRUE;
}
}
return FALSE;
}
BOOL CBCGPTagManager::ParseTextFormat (const CString& strItem, CBCGPTextFormat& value)
{
CBCGPTagManager tm (strItem);
CString family;
tm.ReadString (s_TextFormatFamily, family);
if (family.IsEmpty ())
{
return FALSE;
}
double size = 0.0;
tm.ReadDouble (s_TextFormatSize, size);
if (size == 0.0)
{
return FALSE;
}
int nValue = 0;
tm.ReadInt (s_TextFormatWeight, nValue);
long weight = (long)bcg_clamp(nValue, FW_THIN, FW_HEAVY);
nValue = (int)CBCGPTextFormat::BCGP_FONT_STYLE_NORMAL;
tm.ReadInt (s_TextFormatStyle, nValue);
CBCGPTextFormat::BCGP_FONT_STYLE style = (CBCGPTextFormat::BCGP_FONT_STYLE)
bcg_clamp(nValue, (int)CBCGPTextFormat::BCGP_FONT_STYLE_NORMAL, (int)CBCGPTextFormat::BCGP_FONT_STYLE_ITALIC);
CString locale;
tm.ReadString (s_TextFormatLocale, locale);
CBCGPTextFormat format(family, (float)size, weight, style, locale);
nValue = (int)CBCGPTextFormat::BCGP_TEXT_ALIGNMENT_LEADING;
tm.ReadInt (s_TextFormatAlignHorz, nValue);
format.SetTextAlignment ((CBCGPTextFormat::BCGP_TEXT_ALIGNMENT)
bcg_clamp(nValue, (int)CBCGPTextFormat::BCGP_TEXT_ALIGNMENT_LEADING, (int)CBCGPTextFormat::BCGP_TEXT_ALIGNMENT_CENTER));
nValue = (int)CBCGPTextFormat::BCGP_TEXT_ALIGNMENT_LEADING;
tm.ReadInt (s_TextFormatAlignVert, nValue);
format.SetTextVerticalAlignment ((CBCGPTextFormat::BCGP_TEXT_ALIGNMENT)
bcg_clamp(nValue, (int)CBCGPTextFormat::BCGP_TEXT_ALIGNMENT_LEADING, (int)CBCGPTextFormat::BCGP_TEXT_ALIGNMENT_CENTER));
BOOL bValue = FALSE;
tm.ReadBool (s_TextFormatWordWrap, bValue);
format.SetWordWrap (bValue);
bValue = FALSE;
tm.ReadBool (s_TextFormatClipping, bValue);
format.SetClipText (bValue);
double dValue = 0.0;
tm.ReadDouble (s_TextFormatAngle, dValue);
format.SetDrawingAngle (dValue);
value = format;
return TRUE;
}
void bcg_setLineLength (const CBCGPPoint& pt1, CBCGPPoint& pt2, double dNewLength)
{
double dLen = bcg_distance (pt1, pt2);
double cosT = (dLen > DBL_EPSILON) ? bcg_clamp ((pt2.x - pt1.x) / dLen, -1.0, 1.0) : 1.0;
double sinT = (dLen > DBL_EPSILON) ? bcg_clamp ((pt2.y - pt1.y) / dLen, -1.0, 1.0) : 0.0;
pt2.x = pt1.x + dNewLength * cosT;
pt2.y = pt1.y + dNewLength * sinT;
}
CString CBCGPTagManager::WriteBrush (const CString& strTag, const CBCGPBrush& value)
{
CString strValue;
WriteTag (strValue, WriteInt (s_BrushType, value.GetGradientType(), CBCGPBrush::BCGP_NO_GRADIENT));
if (value.GetGradientType() == CBCGPBrush::BCGP_NO_GRADIENT)
{
WriteTag (strValue, WriteColor (s_BrushColor, value.GetColor()));
}
else
{
CString strColors;
WriteTag (strColors, WriteColor (s_BrushColor, value.GetColor()));
WriteTag (strColors, WriteColor (s_BrushColor, value.GetGradientColor()));
WriteItem (strValue, s_BrushColors, strColors);
}
WriteTag (strValue, WriteInt (s_Opacity, bcg_clamp(bcg_round(value.GetOpacity() * 255.0), 0, 255), 255));
CString str;
WriteItem (str, strTag, strValue);
return str;
}
CBCGPColorTableFunction::CBCGPColorTableFunction(int size)
: m_Colors(NULL)
{
m_Size = bcg_clamp (size, 0, 256);
ASSERT(m_Size > 1);
m_R.SetInput (0, m_Size - 1, 1);
m_G.SetInput (0, m_Size - 1, 1);
m_B.SetInput (0, m_Size - 1, 1);
}
BOOL CBCGPTagManager::ParseBrush (const CString& strItem, CBCGPBrush& value)
{
CBCGPTagManager tm (strItem);
int type = CBCGPBrush::BCGP_NO_GRADIENT;
tm.ReadInt(s_BrushType, type);
type = bcg_clamp(type, CBCGPBrush::BCGP_NO_GRADIENT, CBCGPBrush::BCGP_GRADIENT_RADIAL_BOTTOM_RIGHT);
int opacity = 255;
tm.ReadInt (s_Opacity, opacity);
if (type == CBCGPBrush::BCGP_NO_GRADIENT)
{
CBCGPColor clr;
tm.ReadColor (s_BrushColor, clr);
value.SetColor (clr, bcg_clamp((double)opacity / 255.0, 0.0, 1.0));
}
else
{
CString strColors;
if (tm.ExcludeTag (s_BrushColors, strColors))
{
CBCGPTagManager tmColors(strColors);
CBCGPColor clr1;
tmColors.ReadColor (s_BrushColor, clr1);
CBCGPColor clr2;
tmColors.ReadColor (s_BrushColor, clr2);
value.SetColors (clr1, clr2, (CBCGPBrush::BCGP_GRADIENT_TYPE)type, bcg_clamp((double)opacity / 255.0, 0.0, 1.0));
}
}
return TRUE;
}
void CBCGPTransferFunction::Calculate(CArray<double, double>& output) const
{
output.RemoveAll();
int size = (int)m_Points.GetSize();
if (size == 0)
{
return;
}
int count = (int)fabs((m_InputValueMax - m_InputValueMin) / m_InputValueStep) + 1;
if (count == 1)
{
return;
}
output.SetSize(count);
XPoint pt(m_Points[0]);
if (m_InputValueMin < pt.m_Point)
{
for (int i = 0; i <= GetIndex(pt.m_Point); i++)
{
output[i] = pt.m_Value;
}
}
if (size > 1)
{
pt = m_Points[size - 1];
}
if (pt.m_Point < m_InputValueMax)
{
for (int i = GetIndex(pt.m_Point); i < count; i++)
{
output[i] = pt.m_Value;
}
}
// linear
size = (int)m_Points.GetSize ();
if (size < 2)
{
return;
}
for(long k = size - 1; k >= 1; k--)
{
CArray<double, double> points;
XPoint pt1(m_Points[k - 1]);
XPoint pt2(m_Points[k]);
int index1 = GetIndex(pt1.m_Point);
int index2 = GetIndex(pt2.m_Point);
double dY = (pt2.m_Value - pt1.m_Value) / (double)(index2 - index1);
double value = pt1.m_Value;
for(int i = index1; i <= index2; i++)
{
points.Add(bcg_clamp(value, m_OutputValueMin, m_OutputValueMax));
value += dY;
}
if(points.GetSize() <= 2)
{
continue;
}
int kInsert = index1;
for(int kk = 0; kk <= points.GetSize() - 1; kk++)
{
output[kInsert++] = points[kk];
}
}
}
CString CBCGPTagManager::WriteColor (const CString& strTag, const CBCGPColor& value)
{
CString strValue;
COLORREF clr = value;
if (value.a == 1.0)
{
strValue.Format (_T("%d, %d, %d"), GetRValue (clr), GetGValue (clr), GetBValue (clr));
}
else
{
strValue.Format (_T("%d, %d, %d, %d"), GetRValue (clr), GetGValue (clr), GetBValue (clr), bcg_clamp(bcg_round(value.a * 255.0), 0, 255));
}
return WriteString (strTag, strValue);
}
//*******************************************************************************
void CBCGPLinearGaugeImpl::CreatePointerPoints(CBCGPPointsArray& arPoints, int nPointerIndex, BOOL bShadow)
{
if (m_rect.IsRectEmpty())
{
return;
}
CBCGPLinearGaugePointer* pData = DYNAMIC_DOWNCAST(CBCGPLinearGaugePointer, m_arData[nPointerIndex]);
if (pData == NULL)
{
ASSERT(FALSE);
return;
}
CBCGPGaugeScaleObject* pScale = GetScale(pData->GetScale());
if (pScale == NULL)
{
ASSERT(FALSE);
return;
}
const double scaleRatio = GetScaleRatioMid();
double dblValue = pData->m_nAnimTimerID != 0 ? pData->m_dblAnimatedValue : pData->m_dblValue;
double dblSizeMax = max(pScale->m_dblMajorTickMarkSize, 2. * pScale->m_dblMinorTickMarkSize) * scaleRatio;
double dblSize = dblSizeMax;
if (dblSize == 0)
{
dblSize = 8. * scaleRatio;
}
double dblSizePerc = bcg_clamp(pData->m_dblSize, 0.0, 1.0);
if (dblSizePerc != 0.0)
{
dblSize = max(dblSize * dblSizePerc, 2.0);
}
CBCGPPoint point;
if (!ValueToPoint(dblValue, point, pData->GetScale()))
{
return;
}
double offset = max(pScale->m_dblMajorTickMarkSize, pScale->m_dblMinorTickMarkSize) * scaleRatio;
offset = max(offset, m_dblMaxRangeSize);
double x = point.x;
double y = point.y;
if (dblSize < dblSizeMax && pData->GetPosition() != CBCGPLinearGaugePointer::BCGP_GAUGE_POSITION_NEAR)
{
double dblSizeDelta = dblSizeMax - dblSize;
if (pData->GetPosition() == CBCGPLinearGaugePointer::BCGP_GAUGE_POSITION_CENTER)
{
dblSizeDelta /= 2.0;
}
if (m_bIsVertical)
{
x += dblSizeDelta;
}
else
{
y += dblSizeDelta;
}
}
if (bShadow)
{
x += 2. * m_sizeScaleRatio.cx;
y += 2. * m_sizeScaleRatio.cy;
}
const double delta = pData->m_dblWidth == 0 ? dblSize / 2 : (pData->m_dblWidth * scaleRatio) / 2;
switch (pData->GetStyle())
{
case CBCGPLinearGaugePointer::BCGP_GAUGE_NEEDLE_TRIANGLE:
if (m_bIsVertical)
{
arPoints.Add(CBCGPPoint(x, y - delta));
arPoints.Add(CBCGPPoint(x, y + delta));
arPoints.Add(CBCGPPoint(x + dblSize, y));
}
else
{
arPoints.Add(CBCGPPoint(x + delta, y));
arPoints.Add(CBCGPPoint(x - delta, y));
arPoints.Add(CBCGPPoint(x, y + dblSize));
}
break;
case CBCGPLinearGaugePointer::BCGP_GAUGE_NEEDLE_TRIANGLE_INV:
if (m_bIsVertical)
{
arPoints.Add(CBCGPPoint(x + dblSize, y - delta));
arPoints.Add(CBCGPPoint(x + dblSize, y + delta));
arPoints.Add(CBCGPPoint(x, y));
}
else
{
arPoints.Add(CBCGPPoint(x + delta, y + dblSize));
arPoints.Add(CBCGPPoint(x - delta, y + dblSize));
arPoints.Add(CBCGPPoint(x, y));
}
break;
case CBCGPLinearGaugePointer::BCGP_GAUGE_NEEDLE_RECT:
case CBCGPLinearGaugePointer::BCGP_GAUGE_NEEDLE_CIRCLE:
if (m_bIsVertical)
{
arPoints.Add(CBCGPPoint(x, y + delta));
arPoints.Add(CBCGPPoint(x, y - delta));
arPoints.Add(CBCGPPoint(x + dblSize, y - delta));
arPoints.Add(CBCGPPoint(x + dblSize, y + delta));
}
else
{
arPoints.Add(CBCGPPoint(x + delta, y + dblSize));
arPoints.Add(CBCGPPoint(x - delta, y + dblSize));
arPoints.Add(CBCGPPoint(x - delta, y));
arPoints.Add(CBCGPPoint(x + delta, y));
}
break;
case CBCGPLinearGaugePointer::BCGP_GAUGE_NEEDLE_DIAMOND:
if (m_bIsVertical)
{
arPoints.Add(CBCGPPoint(x + .5 * dblSize, y + delta));
arPoints.Add(CBCGPPoint(x, y));
arPoints.Add(CBCGPPoint(x + .5 * dblSize, y - delta));
arPoints.Add(CBCGPPoint(x + dblSize, y));
}
else
{
arPoints.Add(CBCGPPoint(x, y + dblSize));
arPoints.Add(CBCGPPoint(x - delta, y + .5 * dblSize));
arPoints.Add(CBCGPPoint(x, y));
arPoints.Add(CBCGPPoint(x + delta, y + .5 * dblSize));
}
}
}
//***********************************************************************************************************
void CBCGPBaseVisualCtrl::OnDrawLayeredPopup()
{
CRect rect;
GetClientRect (rect);
if (rect.Width () == 0 || rect.Height () == 0)
{
return;
}
CPoint point (0, 0);
CSize size (rect.Size ());
LPBYTE pBits = NULL;
HBITMAP hBitmap = CBCGPDrawManager::CreateBitmap_32 (size, (void**)&pBits);
if (hBitmap == NULL)
{
return;
}
CBitmap bitmap;
bitmap.Attach (hBitmap);
CClientDC clientDC(this);
CDC dc;
dc.CreateCompatibleDC (&clientDC);
CBitmap* pBitmapOld = (CBitmap*)dc.SelectObject (&bitmap);
if (m_pGM == NULL)
{
CBCGPGraphicsManagerParams params;
params.bAlphaModePremultiplied = TRUE;
m_pGM = CBCGPGraphicsManager::CreateInstance(CBCGPGraphicsManager::BCGP_GRAPHICS_MANAGER_DEFAULT, TRUE, ¶ms);
if (m_pGM == NULL)
{
return;
}
m_pGM->EnableTransparentGradient();
}
SetRect(rect);
m_pGM->BindDC(&dc, rect);
if (!m_pGM->BeginDraw())
{
return;
}
OnDraw(m_pGM, rect);
SetDirty(FALSE);
m_pGM->EndDraw();
m_pGM->BindDC(NULL);
BLENDFUNCTION bf;
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.SourceConstantAlpha = (BYTE)bcg_clamp(m_nPopupAlpha, 0, 255);
bf.AlphaFormat = LWA_COLORKEY;
#ifndef _BCGSUITE_
globalData.UpdateLayeredWindow (GetSafeHwnd (), NULL, 0, &size, dc.GetSafeHdc (),
&point, 0, &bf, 0x02);
#else
UpdateLayeredWindow (NULL, 0, &size, &dc, &point, 0, &bf, 0x02);
#endif
dc.SelectObject (pBitmapOld);
}
//***********************************************************************************************************
BOOL CBCGPBaseVisualCtrl::DoPrint(CDC* pDCIn, CPrintInfo* pInfo)
{
CObject* pBaseVisual = GetVisualBaseObject();
if (pBaseVisual == NULL)
{
return FALSE;
}
CBCGPBaseVisualObject* pVisualObject = DYNAMIC_DOWNCAST(CBCGPBaseVisualObject, pBaseVisual);
CBCGPVisualContainer* pVisualContainer = DYNAMIC_DOWNCAST(CBCGPVisualContainer, pBaseVisual);
if (pVisualObject == NULL && pVisualContainer == NULL)
{
return FALSE;
}
CBCGPGraphicsManager* pGM = GetGraphicsManager();
if (pGM == NULL)
{
return FALSE;
}
ASSERT_VALID(pGM);
CDC* pDC = pDCIn;
CPrintDialog* pPrintDlg = NULL;
if (pDC == NULL)
{
pPrintDlg = new CPrintDialog(FALSE);
if (pPrintDlg->DoModal() == IDCANCEL)
{
delete pPrintDlg;
return FALSE;
}
pDC = CDC::FromHandle(pPrintDlg->GetPrinterDC());
pDC->m_bPrinting = TRUE;
CString strTitle;
strTitle.LoadString(AFX_IDS_APP_TITLE);
DOCINFO di;
ZeroMemory(&di, sizeof (DOCINFO));
di.cbSize = sizeof (DOCINFO);
di.lpszDocName = strTitle;
if (!pDC->StartDoc(&di))
{
pDC->AbortDoc();
delete pPrintDlg;
return FALSE;
}
pInfo = new CPrintInfo();
pInfo->m_rectDraw.SetRect(0,0, pDC->GetDeviceCaps(HORZRES), pDC->GetDeviceCaps(VERTRES));
}
CSize size(pInfo->m_rectDraw.Size());
CBCGPRect rect(CBCGPPoint(), size);
CBCGPRect rectControl(pVisualObject != NULL ? pVisualObject->GetRect() : pVisualContainer->GetRect());
CBCGPSize sizeScaleRatio((double)size.cx / rectControl.Width(), (double)size.cy / rectControl.Height());
double dAspect = min(sizeScaleRatio.cx, sizeScaleRatio.cy);
sizeScaleRatio.cx = sizeScaleRatio.cy = dAspect;
size.cx = bcg_clamp((int)(rectControl.Width() * dAspect), 0, size.cx);
size.cy = bcg_clamp((int)(rectControl.Height() * dAspect), 0, size.cy);
rect.SetSize(size);
CDC dcPrint;
CBitmap bmpPrint;
CBitmap* pBmpPrintOld = NULL;
CDC* pDCOut = NULL;
CBrush brWhite(RGB(255, 255, 255));
if (DYNAMIC_DOWNCAST(CBCGPGraphicsManagerGDI, pGM) != NULL)
{
dcPrint.CreateCompatibleDC(NULL);
bmpPrint.Attach(CBCGPDrawManager::CreateBitmap_32(size, NULL));
pBmpPrintOld = dcPrint.SelectObject (&bmpPrint);
ASSERT(pBmpPrintOld != NULL);
pDCOut = &dcPrint;
}
else
{
pGM->SetPrintInfo(pInfo);
pDCOut = pDC;
}
pDCOut->FillRect((CRect)rect, &brWhite);
pGM->BindDC(pDCOut);
if (pGM->IsBindDCFailed())
{
pDCOut->FillRect((CRect)rect, &brWhite);
pDCOut->TextOut(0, 0, _T("Out of memory"));
}
else
{
pGM->BeginDraw();
CBCGPSize sizeScaleRatioOld;
if (pVisualObject != NULL)
{
sizeScaleRatioOld = pVisualObject->GetScaleRatio();
pVisualObject->SetScaleRatio(sizeScaleRatio);
pVisualObject->SetRect(rect);
}
else
{
sizeScaleRatioOld = pVisualContainer->GetScaleRatio();
pVisualContainer->SetScaleRatio(sizeScaleRatio);
pVisualContainer->SetRect(rect);
}
pGM->Clear();
if (pVisualObject != NULL)
{
pVisualObject->OnDraw (pGM, rect);
}
else
{
pVisualContainer->OnDraw (pGM, rect);
}
pGM->EndDraw();
pGM->BindDC(NULL);
if (pVisualObject != NULL)
{
pVisualObject->SetScaleRatio(sizeScaleRatioOld);
}
else
{
pVisualContainer->SetScaleRatio(sizeScaleRatioOld);
}
if (dcPrint.GetSafeHdc() != NULL)
{
CBCGPDrawManager::FillAlpha (rect, (HBITMAP)bmpPrint.GetSafeHandle (), 255);
}
}
if (pVisualObject != NULL)
{
pVisualObject->SetRect(rectControl);
pVisualObject->SetDirty ();
}
else
{
pVisualContainer->SetRect(rectControl);
pVisualContainer->SetDirty ();
}
if (dcPrint.GetSafeHdc() != NULL)
{
BITMAP bmp = {0};
bmpPrint.GetBitmap (&bmp);
CRect rectOut(pInfo->m_rectDraw.TopLeft (), CSize(bmp.bmWidth, bmp.bmHeight));
int mode = pDC->SetStretchBltMode(HALFTONE);
pDC->BitBlt (rectOut.left, rectOut.top, rectOut.Width(), rectOut.Height(), &dcPrint, 0, 0, SRCCOPY);
pDC->SetStretchBltMode(mode);
dcPrint.SelectObject(pBmpPrintOld);
}
else
{
pGM->SetPrintInfo(NULL);
}
if (pPrintDlg != NULL)
{
pDC->EndDoc();
delete pPrintDlg;
delete pInfo;
}
return TRUE;
}
//*******************************************************************************
void CBCGPKnob::CreatePointerPoints(double dblRadius,
CBCGPPointsArray& arPoints,
int nPointerIndex, BOOL bShadow)
{
if (m_rect.IsRectEmpty())
{
return;
}
CBCGPRect rect = m_rect;
CBCGPKnobPointer* pData = DYNAMIC_DOWNCAST(CBCGPKnobPointer, m_arData[nPointerIndex]);
if (pData == NULL)
{
ASSERT(FALSE);
return;
}
CBCGPCircularGaugeScale* pScale = GetScale(pData->GetScale());
if (pScale == NULL)
{
ASSERT(FALSE);
return;
}
const double scaleRatio = GetScaleRatioMid();
double dblValue = pData->IsAnimated() ? pData->GetAnimatedValue() : pData->GetValue();
double dblOffset = bcg_clamp(pData->GetOffsetFromCenter(), 0.0, 1.0);
if (dblOffset == 0.0)
{
dblOffset = dblRadius * .5;
}
else
{
dblOffset = dblRadius * bcg_clamp(dblOffset, 0.5, 1.0);
}
double dblAngle = bcg_deg2rad(pScale->GetStartAngle()) - bcg_deg2rad(pScale->GetStartAngle() - pScale->GetFinishAngle()) * (dblValue - pScale->GetStart()) / (pScale->GetFinish() - pScale->GetStart());
dblAngle = bcg_normalize_rad (dblAngle);
if (bShadow)
{
rect.OffsetRect(2 * m_sizeScaleRatio.cx, 2 * m_sizeScaleRatio.cy);
}
CBCGPPoint center((rect.left + rect.right) / 2.0, (rect.top + rect.bottom) / 2.0);
const double angleCos = cos(dblAngle);
const double angleSin = sin(dblAngle);
double dblWidth = bcg_clamp(pData->GetWidth(), 0.0, dblRadius / 10.0);
const double dblPointerAngle = dblAngle - M_PI_2;
switch (pData->GetStyle())
{
case CBCGPKnobPointer::BCGP_KNOB_POINTER_HANDLE:
{
dblRadius -= .2 * scaleRatio;
double dblExtend = (dblRadius * .9);
double dblSize = dblRadius + dblExtend;
center.x -= angleCos * dblExtend;
center.y += angleSin * dblExtend;
if (dblWidth == 0.0)
{
dblWidth = dblRadius / 3.0;
}
dblWidth *= 0.5;
if (dblWidth < 1.0)
{
arPoints.Add(center);
arPoints.Add(CBCGPPoint(
center.x + angleCos * dblSize,
center.y - angleSin * dblSize));
}
else
{
double dblArrowLen = max(2.0 * dblWidth, 10.0 * scaleRatio);
dblSize -= dblArrowLen;
const double dx = cos(dblPointerAngle) * dblWidth;
const double dy = -sin(dblPointerAngle) * dblWidth;
arPoints.Add(CBCGPPoint(center.x + dx, center.y + dy));
arPoints.Add(CBCGPPoint(center.x - dx, center.y - dy));
const CBCGPPoint pt1(
center.x + angleCos * dblSize - dx,
center.y - angleSin * dblSize - dy);
const CBCGPPoint pt2(
center.x + angleCos * dblSize + dx,
center.y - angleSin * dblSize + dy);
arPoints.Add(pt1);
arPoints.Add(CBCGPPoint(
center.x + angleCos * (dblSize + dblArrowLen),
center.y - angleSin * (dblSize + dblArrowLen)));
arPoints.Add(pt2);
}
}
break;
case CBCGPKnobPointer::BCGP_KNOB_POINTER_LINE:
{
if (bShadow)
{
return;
}
if (dblWidth == 0.0)
{
dblWidth = 2. * scaleRatio;
}
const double dx = cos(dblPointerAngle) * dblWidth;
const double dy = -sin(dblPointerAngle) * dblWidth;
arPoints.Add(CBCGPPoint(center.x + angleCos * dblOffset - dx, center.y - angleSin * dblOffset - dy));
arPoints.Add(CBCGPPoint(center.x + angleCos * dblOffset + dx, center.y - angleSin * dblOffset + dy));
dblOffset = dblRadius - 4. * scaleRatio;
arPoints.Add(CBCGPPoint(center.x + angleCos * dblOffset + dx, center.y - angleSin * dblOffset + dy));
arPoints.Add(CBCGPPoint(center.x + angleCos * dblOffset - dx, center.y - angleSin * dblOffset - dy));
}
break;
case CBCGPKnobPointer::BCGP_KNOB_POINTER_CIRCLE:
{
if (bShadow)
{
return;
}
if (dblWidth == 0.0)
{
dblWidth = max(2. * scaleRatio, dblRadius / 8);
}
dblOffset = dblRadius - 6. * scaleRatio - dblWidth;
arPoints.Add(CBCGPPoint(center.x + angleCos * dblOffset, center.y - angleSin * dblOffset));
arPoints.Add(CBCGPPoint(dblWidth, dblWidth));
}
break;
}
}
