void
Canvas::DrawClippedText(int x, int y, const PixelRect &rc, const TCHAR *text)
{
// TODO: implement full clipping
if (rc.right > x)
DrawClippedText(x, y, rc.right - x, text);
}
void DrawClippedText(int x, int y, const PixelRect &rc,
const TCHAR *text) {
// XXX
if (x < rc.right)
DrawClippedText(x, y, rc.right - x, text);
}
void DrawClippedText(PixelScalar x, PixelScalar y, const PixelRect &rc,
const TCHAR *text) {
// XXX
if (x < rc.right)
DrawClippedText(x, y, rc.right - x, text);
}
void
Canvas::DrawClippedText(int x, int y, unsigned width,
const TCHAR *text)
{
const PixelSize size = CalcTextSize(text);
PixelRect rc;
::SetRect(&rc, x, y, x + std::min(width, unsigned(size.cx)), y + size.cy);
DrawClippedText(x, y, rc, text);
}
/*
* Clip text based on rough estimate of characters in string
*/
void DrawClippedText(int x, int y, const PixelRect &rc, const TCHAR *text) {
DrawClippedText(x, y, rc.right - rc.left, text);
}
/**
* Render text, clip it within the bounds of this Canvas.
*/
void TextAutoClipped(int x, int y, const TCHAR *t) {
if (x < (int)GetWidth() && y < (int)GetHeight())
DrawClippedText(x, y, GetWidth() - x, GetHeight() - y, t);
}
void DrawClippedText(int x, int y, unsigned width,
const TCHAR *text) {
DrawClippedText(x, y, width, 16384, text);
}
/**
* Render text, clip it within the bounds of this Canvas.
*/
void TextAutoClipped(PixelScalar x, PixelScalar y, const TCHAR *t) {
if (x < (int)GetWidth() && y < (int)GetHeight())
DrawClippedText(x, y, GetWidth() - x, GetHeight() - y, t);
}
void DrawClippedText(PixelScalar x, PixelScalar y, UPixelScalar width,
const TCHAR *text) {
DrawClippedText(x, y, width, 16384, text);
}
void CProgressCtrlX::DrawText(const CDrawInfo& info, const CRect &rcMax, const CRect &rcBar)
{
if(!(info.dwStyle&PBS_TEXTMASK))
return;
BOOL fVert = info.dwStyle&PBS_VERTICAL;
CDC *pDC = info.pDC;
int nValue = 0;
CString sFormat;
GetWindowText(sFormat);
switch(info.dwStyle&PBS_TEXTMASK)
{
case PBS_SHOW_PERCENT:
if(sFormat.IsEmpty())
sFormat = _T("%d%%");
// retrieve current position and range
nValue = (int)((float)(info.nCurPos-info.nLower) * 100 / ((info.nUpper-info.nLower == 0) ? 1 : info.nUpper-info.nLower));
break;
case PBS_SHOW_POSITION:
if(sFormat.IsEmpty())
sFormat = _T("%d");
// retrieve current position
nValue = info.nCurPos;
break;
}
if (sFormat.IsEmpty())
return;
CFont* pFont = GetFont();
CSelFont sf(pDC, pFont);
CSelTextColor tc(pDC, m_clrTextOnBar);
CSelBkMode bm(pDC, TRANSPARENT);
CSelTextAlign ta(pDC, TA_BOTTOM|TA_CENTER);
CPoint ptOrg = pDC->GetWindowOrg();
CString sText;
sText.Format(sFormat, nValue);
LONG grad = 0;
if(pFont)
{
LOGFONT lf;
pFont->GetLogFont(&lf);
grad = lf.lfEscapement/10;
}
int x = 0, y = 0, dx = 0, dy = 0;
CSize sizText = pDC->GetTextExtent(sText);
if(grad == 0) { x = sizText.cx; y = sizText.cy; dx = 0; dy = sizText.cy;}
else if(grad == 90) { x = sizText.cy; y = sizText.cx; dx = sizText.cy; dy = 0;}
else if(grad == 180) { x = sizText.cx; y = sizText.cy; dx = 0; dy = -sizText.cy;}
else if(grad == 270) { x = sizText.cy; y = sizText.cx; dx = -sizText.cy; dy = 0;}
else ASSERT(0); // angle not supported
CPoint pt = pDC->GetViewportOrg();
if(info.dwStyle&PBS_TIED_TEXT)
{
CRect rcFill(ConvertToReal(info, rcBar));
if((fVert ? y : x) <= rcBar.Width())
{
pDC->SetViewportOrg(rcFill.left + (rcFill.Width() + dx)/2,
rcFill.top + (rcFill.Height() + dy)/2);
DrawClippedText(info, rcBar, sText, ptOrg);
}
}
else
{
pDC->SetViewportOrg(info.rcClient.left + (info.rcClient.Width() + dx)/2,
info.rcClient.top + (info.rcClient.Height() + dy)/2);
if(m_clrTextOnBar == m_clrTextOnBk)
// if the same color for bar and background draw text once
DrawClippedText(info, rcMax, sText, ptOrg);
else
{
// else, draw clipped parts of text
// draw text on gradient
if(rcBar.left != rcBar.right)
DrawClippedText(info, rcBar, sText, ptOrg);
// draw text out of gradient
if(rcMax.right > rcBar.right)
{
tc.Select(m_clrTextOnBk);
CRect rc(rcMax);
rc.left = rcBar.right;
DrawClippedText(info, rc, sText, ptOrg);
}
if(rcMax.left < rcBar.left)
{
tc.Select(m_clrTextOnBk);
CRect rc(rcMax);
rc.right = rcBar.left;
DrawClippedText(info, rc, sText, ptOrg);
}
}
}
pDC->SetViewportOrg(pt);
}