void CLCDAnimatedBitmap::OnDraw(CLCDGfx &rGfx)
{
if(m_dwTotalSubpics > 0)
{
int xoffs = m_dwCurrSubpic * m_dwSubpicWidth;
DWORD increment = m_dwElapsedTime / m_dwRate;
if(increment > 0)
{
m_dwCurrSubpic += increment;
m_dwCurrSubpic %= m_dwTotalSubpics;
m_dwElapsedTime %= m_dwRate;
m_dwLastUpdate = m_dwLastTickCount;
}
// stolen from: CLCDBitmap::OnDraw(rGfx);
if(m_hBitmap)
{
HDC hCompatibleDC = CreateCompatibleDC(rGfx.GetHDC());
HBITMAP hOldBitmap = (HBITMAP)SelectObject(hCompatibleDC, m_hBitmap);
// get
BitBlt(rGfx.GetHDC(), 0, 0, m_Size.cx, m_Size.cy, hCompatibleDC, xoffs, 0, m_dwROP);
// restores
SelectObject(hCompatibleDC, hOldBitmap);
DeleteDC(hCompatibleDC);
}
}
}
void CLCDProgressBar::OnDraw(CLCDGfx &rGfx)
{
rGfx.ClearScreen();
// draw the border
RECT r = { 0, 0, GetWidth(), GetHeight() };
FrameRect(rGfx.GetHDC(), &r, m_hBrush);
// draw the progress
switch(m_eStyle)
{
case STYLE_CURSOR:
{
int nCursorPos = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
(float)1, (float)(GetWidth() - m_nCursorWidth-1),
m_fPos);
r.left = nCursorPos;
r.right = r.left + m_nCursorWidth;
FillRect(rGfx.GetHDC(), &r, m_hBrush);
}
break;
case STYLE_FILLED:
{
int nBarWidth = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
0.0f, (float)GetWidth(),
m_fPos);
r.right = nBarWidth;
FillRect(rGfx.GetHDC(), &r, m_hBrush);
}
break;
default:
break;
}
}
void CLCDIcon::OnDraw(CLCDGfx &rGfx)
{
int nOldBkMode = SetBkMode(rGfx.GetHDC(), TRANSPARENT);
if (m_hIcon)
{
DrawIconEx(rGfx.GetHDC(), 0, 0, m_hIcon,
m_nIconWidth, m_nIconHeight, 0, NULL, DI_NORMAL);
}
// restores
SetBkMode(rGfx.GetHDC(), nOldBkMode);
}
void CLCDBitmap::OnDraw(CLCDGfx &rGfx)
{
if(m_hBitmap)
{
HDC hCompatibleDC = CreateCompatibleDC(rGfx.GetHDC());
HBITMAP hOldBitmap = (HBITMAP)SelectObject(hCompatibleDC, m_hBitmap);
BitBlt(rGfx.GetHDC(), 0, 0, m_Size.cx, m_Size.cy, hCompatibleDC, m_ptLogical.x, m_ptLogical.y, m_dwROP);
// restores
SelectObject(hCompatibleDC, hOldBitmap);
DeleteDC(hCompatibleDC);
}
}
void CLCDText::DrawText(CLCDGfx &rGfx)
{
// draw the text
RECT rBoundary = { 0, 0,0 + GetLogicalSize().cx, 0 + GetLogicalSize().cy };
DrawTextEx(rGfx.GetHDC(), (LPTSTR)m_sText.c_str(), static_cast<int>(m_nTextLength), &rBoundary, m_nTextFormat, &m_dtp);
// LCDUITRACE(_T("Drawing %s at (%d,%d)-(%d-%d) lmargin=%d, rmargin=%d\n"),
// m_sText.c_str(), m_Origin.x, m_Origin.y, GetWidth(), GetHeight(),
// m_dtp.iLeftMargin, m_dtp.iRightMargin);
if (m_bInverted)
{
InvertRect(rGfx.GetHDC(), &rBoundary);
}
}
void CLCDText::DrawText(CLCDGfx &rGfx)
{
// draw the text
RECT rBoundary = { 0, 0,0 + GetLogicalSize().cx, 0 + GetLogicalSize().cy };
DrawTextEx(rGfx.GetHDC(), m_szText, m_nTextLength, &rBoundary, m_nTextFormat, &m_dtp);
// Printf(_T("Drawing %s at (%d,%d)-(%d-%d) lmargin=%d, rmargin=%d\n"),
// m_szText, m_Origin.x, m_Origin.y, GetWidth(), GetHeight(),
// m_dtp.iLeftMargin, m_dtp.iRightMargin);
if (m_bInverted)
{
InvertRect(rGfx.GetHDC(), &rBoundary);
}
}
void CLCDCollection::OnDraw(CLCDGfx &rGfx)
{
LCD_OBJECT_LIST::iterator it = m_Objects.begin();
while(it != m_Objects.end())
{
CLCDBase *pObject = *it;
LCDUIASSERT(NULL != pObject);
if (!pObject->IsVisible())
{
++it;
continue;
}
// create the clip region
HRGN hRgn = CreateRectRgn(pObject->GetOrigin().x, pObject->GetOrigin().y,
pObject->GetOrigin().x + pObject->GetWidth(),
pObject->GetOrigin().y + pObject->GetHeight());
// ensure that controls only draw within their specified region
SelectClipRgn(rGfx.GetHDC(), hRgn);
// free the region (a copy is used in the call above)
DeleteObject(hRgn);
// offset the control at its origin so controls use (0,0)
POINT ptPrevViewportOrg = { 0, 0 };
SetViewportOrgEx(rGfx.GetHDC(),
pObject->GetOrigin().x,
pObject->GetOrigin().y,
&ptPrevViewportOrg);
// allow controls to supply additional translation
// this allows controls to move freely within the confined viewport
OffsetViewportOrgEx(rGfx.GetHDC(),
pObject->GetLogicalOrigin().x,
pObject->GetLogicalOrigin().y,
NULL);
pObject->OnDraw(rGfx);
// set the clipping region to nothing
SelectClipRgn(rGfx.GetHDC(), NULL);
// restore the viewport origin
SetViewportOrgEx(rGfx.GetHDC(),
ptPrevViewportOrg.x,
ptPrevViewportOrg.y,
NULL);
// restore the viewport origin offset
OffsetViewportOrgEx(rGfx.GetHDC(), 0, 0, NULL);
++it;
}
}
void CLCDProgressBar::OnDraw(CLCDGfx &rGfx)
{
HPEN hOldPen;
rGfx.ClearScreen();
// draw the border
RECT r = { 0, 0, GetWidth(), GetHeight() };
FrameRect(rGfx.GetHDC(), &r, m_hBrush);
// draw the progress
switch(m_eStyle)
{
case STYLE_CURSOR:
{
int nCursorPos = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
(float)1, (float)(GetWidth() - m_nCursorWidth-1),
m_Pos);
r.left = nCursorPos;
r.right = r.left + m_nCursorWidth;
FillRect(rGfx.GetHDC(), &r, m_hBrush);
}
break;
case STYLE_FILLED_V:
case STYLE_FILLED_H:
{
int nBar = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
0.0f, (m_eStyle == STYLE_FILLED_H ? (float)GetWidth() : (float)GetHeight())-4,
m_Pos);
r.left = r.left+2;
r.bottom = r.bottom-2;
if (m_eStyle == STYLE_FILLED_H)
{
r.right = nBar+2;
r.top = r.top+2;
}
else
{
r.right = r.right-2;
r.top = r.bottom-nBar;
}
FillRect(rGfx.GetHDC(), &r, m_hBrush);
}
break;
case STYLE_DASHED_CURSOR:
{
int nCursorPos = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
(float)1, (float)(GetWidth() - m_nCursorWidth-1),
m_Pos);
r.left = nCursorPos;
r.right = r.left + m_nCursorWidth;
FillRect(rGfx.GetHDC(), &r, m_hBrush);
hOldPen = (HPEN)::SelectObject(rGfx.GetHDC(), m_hPen);
::MoveToEx(rGfx.GetHDC(), 0, (r.bottom - r.top)/2, NULL);
::LineTo(rGfx.GetHDC(), nCursorPos, (r.bottom - r.top)/2);
::SelectObject(rGfx.GetHDC(), hOldPen);
}
break;
default:
break;
}
}
void CLCDText::OnDraw(CLCDGfx &rGfx)
{
if (GetBackgroundMode() == OPAQUE)
{
// clear the clipped area
RECT rcClp = { 0, 0, m_Size.cx, m_Size.cy };
FillRect(rGfx.GetHDC(), &rcClp, (HBRUSH) GetStockObject(BLACK_BRUSH));
// clear the logical area
RECT rcLog = { 0, 0, m_sizeLogical.cx, m_sizeLogical.cy };
FillRect(rGfx.GetHDC(), &rcLog, (HBRUSH) GetStockObject(BLACK_BRUSH));
}
if (m_nTextLength)
{
// map mode text, with transparency
int nOldMapMode = SetMapMode(rGfx.GetHDC(), MM_TEXT);
int nOldBkMode = SetBkMode(rGfx.GetHDC(), GetBackgroundMode());
// select current font
HFONT hOldFont = (HFONT)SelectObject(rGfx.GetHDC(), m_hFont);
// select color
COLORREF crOldTextColor = SetTextColor(rGfx.GetHDC(), m_crColor);
if (m_bRecalcExtent)
{
int nTextFormat;
RECT rExtent;
// calculate vertical extent with word wrap
nTextFormat = (m_nTextFormat | DT_WORDBREAK | DT_CALCRECT);
rExtent.left = rExtent.top = 0;
rExtent.right = GetWidth();
rExtent.bottom = GetHeight();
DrawTextEx(rGfx.GetHDC(), (LPTSTR)m_sText.c_str(), static_cast<int>(m_nTextLength), &rExtent, nTextFormat, &m_dtp);
m_sizeVExtent.cx = rExtent.right;
m_sizeVExtent.cy = rExtent.bottom;
// calculate horizontal extent w/o word wrap
nTextFormat = (m_nTextFormat | DT_CALCRECT);
rExtent.left = rExtent.top = 0;
rExtent.right = GetWidth();
rExtent.bottom = GetHeight();
DrawTextEx(rGfx.GetHDC(), (LPTSTR)m_sText.c_str(), static_cast<int>(m_nTextLength), &rExtent, nTextFormat, &m_dtp);
m_sizeHExtent.cx = rExtent.right;
m_sizeHExtent.cy = rExtent.bottom;
m_bRecalcExtent = FALSE;
}
if (IsVisible())
{
DrawText(rGfx);
}
// restores
SetMapMode(rGfx.GetHDC(), nOldMapMode);
SetTextColor(rGfx.GetHDC(), crOldTextColor);
SetBkMode(rGfx.GetHDC(), nOldBkMode);
SelectObject(rGfx.GetHDC(), hOldFont);
}
}
