void InvertGrid( HWND hWindow, HDC hDC, LPRECT lpGridRect, int x, int y )
/***********************************************************************/
{
RECT rRect1, rRect2;
rRect1 = *lpGridRect;
Image2Control( (LPINT)&rRect1.left, (LPINT)&rRect1.top );
Image2Control( (LPINT)&rRect1.right, (LPINT)&rRect1.bottom );
if ( x == 0 && y == 0 )
{
InvertSelection( hWindow, hDC, &rRect1, SL_BLOCK );
return;
}
NewGridFromPoint( lpGridRect, x, y );
rRect2 = *lpGridRect;
Image2Control( (LPINT)&rRect2.left, (LPINT)&rRect2.top );
Image2Control( (LPINT)&rRect2.right, (LPINT)&rRect2.bottom );
if ( !EqualRect( &rRect1, &rRect2 ) )
{
InvertSelection( hWindow, hDC, &rRect1, SL_BLOCK );
InvertSelection( hWindow, hDC, &rRect2, SL_BLOCK );
}
}
void DrawGrid( HWND hWindow, HDC hDC, LPRECT lpGridRect, int iType )
/***********************************************************************/
{
RECT rRect;
rRect = *lpGridRect;
Image2Control( (LPINT)&rRect.left, (LPINT)&rRect.top );
Image2Control( (LPINT)&rRect.right, (LPINT)&rRect.bottom );
InvertSelection( hWindow, hDC, &rRect, iType );
}
void CSelection::InvertSelection(HWND hWnd, HDC hDC, RECT* pRect, int fFlags)
{
short OldROP;
bool fNeedDC;
RECT SelectRect;
static RECT LastSelectRect;
static int LastFlags;
bool fDoc = false;
int type;
if (pRect->right - pRect->left > 50)
int i = 0;
if (fFlags && pRect)
{ // Saved for the display hook
LastSelectRect = *pRect;
LastFlags = fFlags;
}
else
{ // Called from the display hook
fFlags = LastFlags;
}
type = fFlags & SL_TYPE;
SelectRect = LastSelectRect;
if (fDoc)
{
//j if (type == SL_LINE)
//j {
//j File2DisplayEx(hWnd, (LPINT)&SelectRect.left, (LPINT)&SelectRect.top, true);
//j File2DisplayEx(hWnd, (LPINT)&SelectRect.right, (LPINT)&SelectRect.bottom, true);
//j }
//j else
//j {
//j OrderRect(&SelectRect, &SelectRect);
//j File2DispRectExact(hWnd, &SelectRect, &SelectRect);
//j }
}
if (fNeedDC = (!hDC))
hDC = GetDC(hWnd);
switch (type)
{
case SL_BOX:
{
OldROP = SetROP2(hDC, R2_NOT);
MoveToEx(hDC, SelectRect.left, SelectRect.top, NULL);
LineTo(hDC, SelectRect.right, SelectRect.top);
LineTo(hDC, SelectRect.right, SelectRect.bottom);
LineTo(hDC, SelectRect.left, SelectRect.bottom);
LineTo(hDC, SelectRect.left, SelectRect.top);
SetROP2(hDC, OldROP);
break;
}
case SL_BOXHANDLES:
{
OldROP = SetROP2(hDC, R2_NOT);
MoveToEx(hDC, SelectRect.left, SelectRect.top, NULL);
LineTo(hDC, SelectRect.right, SelectRect.top);
LineTo(hDC, SelectRect.right, SelectRect.bottom);
LineTo(hDC, SelectRect.left, SelectRect.bottom);
LineTo(hDC, SelectRect.left, SelectRect.top);
SetROP2(hDC, OldROP);
DrawHandles(hDC, &SelectRect);
break;
}
#ifdef NOTUSED //j
case SL_GRID:
{
RECT ClientRect;
int x, y, dx, dy, cx, cy;
OldROP = SetROP2(hDC, R2_NOT);
GetClientRect(hWnd, &ClientRect);
dx = abs(RectWidth(&SelectRect));
dy = abs(RectHeight(&SelectRect));
if (dx > CLOSENESS && dy > CLOSENESS)
{
x = min(SelectRect.left, SelectRect.right);
cx = x;
Image2Control(&cx, &cy);
while (cx >= ClientRect.left)
{
MoveToEx(hDC, cx, ClientRect.top, NULL);
LineTo(hDC, cx, ClientRect.bottom);
x -= dx;
cx = x;
Image2Control(&cx, &cy);
}
x = max(SelectRect.left, SelectRect.right);
cx = x;
Image2Control(&cx, &cy);
while (cx <= ClientRect.right)
{
MoveToEx(hDC, cx, ClientRect.top, NULL);
LineTo(hDC, cx, ClientRect.bottom);
x += dx;
cx = x;
Image2Control(&cx, &cy);
}
y = min(SelectRect.top, SelectRect.bottom);
cy = y;
Image2Control(&cx, &cy);
while (cy >= ClientRect.top)
{
MoveToEx(hDC, ClientRect.left, cy, NULL);
LineTo(hDC, ClientRect.right, cy);
y -= dy;
cy = y;
Image2Control(&cx, &cy);
}
y = max(SelectRect.top, SelectRect.bottom);
cy = y;
Image2Control(&cx, &cy);
while (cy <= ClientRect.bottom)
{
MoveToEx(hDC, ClientRect.left, cy, NULL);
LineTo(hDC, ClientRect.right, cy);
y += dy;
cy = y;
Image2Control(&cx, &cy);
}
}
else
{
Image2Control((LPINT)&SelectRect.left, (LPINT)&SelectRect.top);
Image2Control((LPINT)&SelectRect.right, (LPINT)&SelectRect.bottom);
MoveToEx(hDC, SelectRect.left, SelectRect.top, NULL);
LineTo(hDC, SelectRect.right, SelectRect.top);
LineTo(hDC, SelectRect.right, SelectRect.bottom);
LineTo(hDC, SelectRect.left, SelectRect.bottom);
LineTo(hDC, SelectRect.left, SelectRect.top);
}
SetROP2(hDC, OldROP);
break;
}
#endif NOTUSED //j
case SL_LINE:
{
OldROP = SetROP2(hDC, R2_NOT);
MoveToEx(hDC, SelectRect.left, SelectRect.top, NULL);
LineTo(hDC, SelectRect.right, SelectRect.bottom);
SetROP2(hDC, OldROP);
break;
}
case SL_ELLIPSE:
{
OldROP = SetROP2(hDC, R2_NOT);
HBRUSH hOldBrush = (HBRUSH)SelectObject(hDC, GetStockObject(NULL_BRUSH));
Ellipse(hDC, SelectRect.left, SelectRect.top,
SelectRect.right, SelectRect.bottom);
SetROP2(hDC, OldROP);
SelectObject(hDC, hOldBrush);
break;
}
case SL_BLOCK:
{
PatBlt(hDC, SelectRect.left, SelectRect.top,
SelectRect.right - SelectRect.left,
SelectRect.bottom - SelectRect.top, DSTINVERT);
break;
}
}
if (fNeedDC)
ReleaseDC(hWnd, hDC);
}
