void ScreenDev::lineTo( long x2, long y2 )
//----------------------------------------
{
REQUIRE( _window != NULL, "accessing unopened output device" );
REQUIRE( _pinf != NULL, "paint info not set" );
long x1 = _currx;
long y1 = _curry;
if( ClipToRect( x1, y1, x2, y2, _clipRect ) ) {
WPoint p1( (int) x1, (int) y1 );
WPoint p2( (int) x2, (int) y2 );
_window->drawLine( p1, p2, _pinf->getStyle(),
_pinf->getThickness(), _pinf->getColour() );
}
}
void CPuzzle::DrawPiece(int i,
HDC hDC,
PDIB pDibOut,
LPPOINT ptDib,
LPRECT lpPaint,
BOOL fDrawGrid,
LPPOINT ptPiece)
/***********************************************************************/
{
int sx, sy, iSrcCol, iSrcRow, dx, dy, iDstCol, iDstRow, iPiece;
int iColWidth, iRowHeight;
RECT rDst, rSrc, rSect, rFrame, rClient;
iColWidth = m_pDib->GetWidth() / m_iCols;
iRowHeight = m_pDib->GetHeight() / m_iRows;
iPiece = m_iMap[i];
iSrcCol = iPiece % m_iCols;
iSrcRow = iPiece / m_iCols;
sx = iSrcCol * iColWidth;
sy = iSrcRow * iRowHeight;
iDstCol = i % m_iCols;
iDstRow = i / m_iCols;
if (ptPiece)
{
dx = ptPiece->x;
dy = ptPiece->y;
}
else
{
dx = iDstCol * iColWidth;
dy = iDstRow * iRowHeight;
}
SetRect(&rDst, dx, dy, dx+iColWidth, dy+iRowHeight);
SetRect(&rSrc, sx, sy, sx+iColWidth, sy+iRowHeight);
if (!IntersectRect(&rSect, &rDst, lpPaint))
return;
rFrame = rDst;
rFrame.left -= 1;
rFrame.top -= 1;
GetClientRect(m_hWnd, &rClient);
if (abs(rFrame.right-rClient.right) < 5)
rFrame.right = rClient.right+1;
if (abs(rFrame.bottom-rClient.bottom) < 5)
rFrame.bottom = rClient.bottom+1;
OffsetRect(&rFrame, ptDib->x, ptDib->y);
if (m_iSelect == i && (ptPiece == NULL))
{
OffsetRect(&rSect, ptDib->x, ptDib->y);
FillRect(hDC, &rSect, (HBRUSH)GetStockObject(GRAY_BRUSH));
}
else
{
ClipToRect(&rSect, &rDst, &rSrc);
if (pDibOut)
{
OffsetRect(&rDst, ptDib->x, ptDib->y);
m_pDib->DibBlt(pDibOut,
rDst.left, rDst.top, rDst.right-rDst.left, rDst.bottom-rDst.top,
rSrc.left, rSrc.top, rSrc.right-rSrc.left, rSrc.bottom-rSrc.top,
NO);
}
else
{
m_pDib->DCBlt(hDC,
rDst.left, rDst.top, rDst.right-rDst.left, rDst.bottom-rDst.top,
rSrc.left, rSrc.top, rSrc.right-rSrc.left, rSrc.bottom-rSrc.top);
}
}
if (fDrawGrid)
FrameRect(hDC, &rFrame, (HBRUSH)GetStockObject(BLACK_BRUSH));
}