// ---------------------------------------------------------------------------
// Clear decoration buffer.
// ---------------------------------------------------------------------------
//
void CPeninputPenTraceDecorator::Clear( TBool aAlwaysErase )
{
iLastPenWidth = 8;
iLineCount = 0;
if ( !( aAlwaysErase || iModified ) )
{
return;
}
TSize size = iBitsBitmap->SizeInPixels();
TBitmapUtil bmpbits( iBitsBitmap );
bmpbits.Begin( TPoint( 0, 0 ) );
for ( TInt i = 0; i < size.iHeight; i++ )
{
bmpbits.SetPos( TPoint( 0, i ) );
for ( TInt j = 0; j < size.iWidth; j++ )
{
bmpbits.SetPixel( 0xFFFFFF );
bmpbits.IncXPos();
}
}
bmpbits.End();
size = iMaskBitmap->SizeInPixels();
TBitmapUtil maskbits( iMaskBitmap );
maskbits.Begin( TPoint( 0, 0 ) );
for ( TInt i = 0; i < size.iHeight; i++ )
{
maskbits.SetPos( TPoint( 0, i ) );
for ( TInt j = 0; j < size.iWidth; j++ )
{
maskbits.SetPixel( 0x000000 );
maskbits.IncXPos();
}
}
maskbits.End();
iModified = EFalse;
}
static void
mfbFillEllipseSolid(
DrawablePtr pDraw,
xArc *arc,
register int rop)
{
int x, y, e;
int yk, xk, ym, xm, dx, dy, xorg, yorg;
register int slw;
miFillArcRec info;
PixelType *addrlt, *addrlb;
register PixelType *addrl;
register int n;
int nlwidth;
register int xpos;
PixelType startmask, endmask;
int nlmiddle;
mfbGetPixelWidthAndPointer(pDraw, nlwidth, addrlt);
miFillArcSetup(arc, &info);
MIFILLARCSETUP();
xorg += pDraw->x;
yorg += pDraw->y;
addrlb = addrlt;
addrlt += nlwidth * (yorg - y);
addrlb += nlwidth * (yorg + y + dy);
while (y)
{
addrlt += nlwidth;
addrlb -= nlwidth;
MIFILLARCSTEP(slw);
if (!slw)
continue;
xpos = xorg - x;
addrl = mfbScanlineOffset(addrlt, (xpos >> PWSH));
if (((xpos & PIM) + slw) < PPW)
{
maskpartialbits(xpos, slw, startmask);
if (rop == RROP_BLACK)
*addrl &= ~startmask;
else if (rop == RROP_WHITE)
*addrl |= startmask;
else
*addrl ^= startmask;
if (miFillArcLower(slw))
{
addrl = mfbScanlineOffset(addrlb, (xpos >> PWSH));
if (rop == RROP_BLACK)
*addrl &= ~startmask;
else if (rop == RROP_WHITE)
*addrl |= startmask;
else
*addrl ^= startmask;
}
continue;
}
maskbits(xpos, slw, startmask, endmask, nlmiddle);
if (startmask)
{
if (rop == RROP_BLACK)
*addrl++ &= ~startmask;
else if (rop == RROP_WHITE)
*addrl++ |= startmask;
else
*addrl++ ^= startmask;
}
n = nlmiddle;
if (rop == RROP_BLACK)
while (n--)
*addrl++ = 0;
else if (rop == RROP_WHITE)
while (n--)
*addrl++ = ~0;
else
while (n--)
*addrl++ ^= ~0;
if (endmask)
{
if (rop == RROP_BLACK)
*addrl &= ~endmask;
else if (rop == RROP_WHITE)
*addrl |= endmask;
else
*addrl ^= endmask;
}
if (!miFillArcLower(slw))
continue;
addrl = mfbScanlineOffset(addrlb, (xpos >> PWSH));
if (startmask)
{
if (rop == RROP_BLACK)
*addrl++ &= ~startmask;
else if (rop == RROP_WHITE)
*addrl++ |= startmask;
else
*addrl++ ^= startmask;
}
n = nlmiddle;
if (rop == RROP_BLACK)
while (n--)
*addrl++ = 0;
else if (rop == RROP_WHITE)
while (n--)
*addrl++ = ~0;
else
while (n--)
*addrl++ ^= ~0;
if (endmask)
{
if (rop == RROP_BLACK)
*addrl &= ~endmask;
else if (rop == RROP_WHITE)
*addrl |= endmask;
else
*addrl ^= endmask;
}
}
