void CHTMLSection::OnDraw( GS::CDrawContext &dc )
{
HBRUSH hbr = NULL;
if( GetBackgroundColours( dc.GetSafeHdc(), hbr ) )
{
FillRect( dc.GetSafeHdc(), *this, hbr );
}
else if( !IsTransparent() )
{
if( m_pDocument )
{
if( !m_pDocument->m_back.Draw( dc, *this ) )
{
dc.FillRect( *this, m_pDefaults->m_crBackground );
}
if( m_pDocument->m_pimgBackground )
{
const int nPosX = left - GetScrollPosH();
const int nPosY = top - GetScrollPos();
DrawTiledBitmap( nPosX, nPosY, max( GetMaxWidth(), (UINT)Width() ), max( GetMaxHeight(), (UINT)Height() ), dc.GetSafeHdc(), m_pDocument->m_pimgBackground, m_nBackgroundFrame );
}
}
else
{
dc.FillRect( *this, m_pDefaults->m_crBackground );
}
}
CScrollContainer::OnDraw( dc );
}
void CRScrlBarCtrl::OnDraw(
CDC* pdc, const CRect& rcBounds, const CRect& rcInvalid)
{
CWnd* parent;
if (m_bDrawing || !m_hWnd) return;
m_bDrawing=TRUE;
// all the graphics come from the file system and if this is not
// available then we cant draw anything
// long offsets;
if (m_parent) // this contains the closest rdialog if the below case is not true
{
parent=m_parent;
}
else
{
// assumes we are on a listbox with an rdialog underneath it
// it will probably break if its placed somewhere on its own...
// I tried to set m_parent to be the listboxes parent but
// I kept getting stupid errors
parent=GetParent()->GetParent();
}
CDC* pOffScreenDC=(CDC*)parent->SendMessage(WM_GETOFFSCREENDC,NULL,NULL);
ASSERT(pOffScreenDC); // this will fail if parent is not an RDialog
// offsets=parent->SendMessage(WM_GETXYOFFSET,NULL,NULL);
// this is quite a complex drawing procedure so we are going
// to use an offscreen DC to prevent flicker...
CBitmap bitmap;
bitmap.CreateCompatibleBitmap(pdc,rcBounds.right,rcBounds.bottom);
CBitmap* pOldBitmap;
pOldBitmap=pOffScreenDC->SelectObject(&bitmap);
// ASSERT(pOffScreenDC->GetDeviceCaps(CAPS1)&C1_TRANSPARENT);
/*
offscreenDC2.CreateCompatibleDC(pdc);
CBitmap bitmap2;
bitmap2.CreateCompatibleBitmap(pdc,rcBounds.right,rcBounds.bottom);
CBitmap* pOldBitmap2;
pOldBitmap2=offscreenDC2.SelectObject(&bitmap2);
// first draw the background artwork
CRect rect;
GetWindowRect(rect);
CRect parentrect;
parent->GetWindowRect(parentrect);
int offsetx;
int offsety;
offsetx=short(offsets & 0x0000FFFF)+parentrect.left-rect.left;
offsety=short((offsets & 0xFFFF0000)>>16)+parentrect.top-rect.top;
FileNum artwork;
artwork=(FileNum)parent->SendMessage(WM_GETARTWORK,NULL,NULL);
DrawBitmap(artwork,pOffScreenDC2,offsetx,offsety);
*/ // now overlay the semi-transparent scrollbar body
// if (m_bHorzAlign)
// MergeBitmap(FileNum(FIL_HORZSCROLLBAR,pOffScreenDC,0,0);
// else
// MergeBitmap(FileNum(FIL_VERTSCROLLBAR,pOffScreenDC,0,0);
if (m_bHorzAlign)
{
DrawTiledBitmap(FileNum(FIL_HORZ_SCROLLBAR+m_FileNumOffset),pOffScreenDC,SBWIDTH,0,rcBounds.right-rcBounds.left-SBWIDTH-SBWIDTH);
}
else
{
DrawTiledBitmap(FileNum(FIL_VERT_SCROLLBAR+m_FileNumOffset),pOffScreenDC,0,SBWIDTH,rcBounds.bottom-rcBounds.top-SBWIDTH-SBWIDTH);
}
/* int x;
if (m_bHorzAlign)
{
for (x=32;x<rcBounds.right-rcBounds.left-32;x+=128)
DrawBitmap(FileNum(FIL_HORZ_SCROLLBAR,pOffScreenDC,x,0);
}
else
{
for (x=32;x<rcBounds.bottom-rcBounds.top-32;x+=128)
DrawBitmap(FileNum(FIL_VERT_SCROLLBAR,pOffScreenDC,0,x);
}*/
// MergeDCs(pOffScreenDC2,pOffScreenDC);
/*
// supported in Windoze 98 only
// MergeDCs does the same thing however
GetClientRect(rect);
BLENDFUNCTION blendfunction;
blendfunction.blendOp=AC_SRC_OVER;
blendfunction.blendFlags=NULL;
blendfunction.SourceConstantAlpha=127;
blendfunction.AlphaFormat=NULL;
AlphaBlend(pOffScreenDC->m_hDC,0,0,rect.right,rect.bottom,
pdc->m_hDC,0,0,rect.right,rect.bottom,blendfunction);
*/
// now draw the puck
if (m_bHorzAlign)
{
int divisor=m_pagesize+m_lMaxValue-m_lMinValue;
int puckwidth=0;
if (divisor>0)
puckwidth=(m_pagesize*(rcBounds.right-rcBounds.left-SBWIDTH-SBWIDTH-PUCKEND-PUCKEND))/divisor;
int puckpos=(m_iScrollPos*(rcBounds.right-rcBounds.left-SBWIDTH-SBWIDTH-PUCKEND-PUCKEND-puckwidth))/(m_lMaxValue-m_lMinValue);
DrawTransparentBitmap(FileNum(FIL_PUCK_LEFT+m_FileNumOffset),pOffScreenDC,SBWIDTH+puckpos,PUCKGAP);
DrawTransparentBitmap(FileNum(FIL_PUCK_RIGHT+m_FileNumOffset),pOffScreenDC,SBWIDTH+PUCKEND+puckpos+puckwidth,PUCKGAP);
// for (int x=32+12+puckpos;x<32+12+puckpos+puckwidth;x++)
// {
// DrawBitmap(FileNum(FIL_PUCK_MIDDLE_HORZ,pOffScreenDC,x,PUCKGAP);
// }
DrawTiledBitmap(FileNum(FIL_PUCK_MIDDLE_HORZ+m_FileNumOffset),pOffScreenDC,SBWIDTH+PUCKEND+puckpos,PUCKGAP,puckwidth);
}
else
{
int divisor=m_pagesize+m_lMaxValue-m_lMinValue;
int puckwidth=0;
if (divisor>0)
puckwidth=(m_pagesize*(rcBounds.bottom-rcBounds.top-SBWIDTH-SBWIDTH-PUCKEND-PUCKEND))/divisor;
int puckpos=(m_iScrollPos*(rcBounds.bottom-rcBounds.top-SBWIDTH-SBWIDTH-PUCKEND-PUCKEND-puckwidth))/(m_lMaxValue-m_lMinValue);
DrawTransparentBitmap(FileNum(FIL_PUCK_TOP+m_FileNumOffset),pOffScreenDC,PUCKGAP,SBWIDTH+puckpos);
DrawTransparentBitmap(FileNum(FIL_PUCK_BOTTOM+m_FileNumOffset),pOffScreenDC,PUCKGAP,SBWIDTH+PUCKEND+puckpos+puckwidth);
// for (int x=32+PUCKEND+puckpos;x<32+PUCKEND+puckpos+puckwidth;x++)
// {
// DrawBitmap(FileNum(FIL_PUCK_MIDDLE_VERT,pOffScreenDC,PUCKGAP,x);
// }
DrawTiledBitmap(FileNum(FIL_PUCK_MIDDLE_VERT+m_FileNumOffset),pOffScreenDC,PUCKGAP,SBWIDTH+PUCKEND+puckpos,puckwidth);
}
// now draw the buttons at the ends
FileNum filenum;
if (m_button==1)
filenum=FileNum(FIL_SCROLLBAR_BUTTON_DOWN+m_FileNumOffset);
else
filenum=FileNum(FIL_SCROLLBAR_BUTTON_UP+m_FileNumOffset);
DrawBitmap(filenum,pOffScreenDC,0,0);
if (m_button==2)
filenum=FileNum(FIL_SCROLLBAR_BUTTON_DOWN+m_FileNumOffset);
else
filenum=FileNum(FIL_SCROLLBAR_BUTTON_UP+m_FileNumOffset);
if (m_bHorzAlign)
DrawBitmap(filenum,pOffScreenDC,rcBounds.right-SBWIDTH,0);
else
DrawBitmap(filenum,pOffScreenDC,0,rcBounds.bottom-SBWIDTH);
pdc->BitBlt(0,0,rcBounds.right-rcBounds.left,rcBounds.bottom-rcBounds.top,pOffScreenDC,
0,0,SRCCOPY); // flips offscreen dc to real dc
pOffScreenDC->SelectObject(pOldBitmap);
// then delete the dc
// offscreenDC2.SelectObject(pOldBitmap2);
// offscreenDC2.DeleteDC();
m_bDrawing=FALSE;
}
