void CBfDrawButton::DrawFocus()
{
if (IsInFocus())
{
CRect WndRect(0, 0, 0, 0), OutRect(0, 0, 0, 0), InRect(0, 0, 0, 0);
WndRect = m_WndRect;
OutRect = WndRect;
OutRect.left++;
OutRect.top++;
OutRect.right -= 2;
OutRect.bottom -= 2;
Pen Pn1(Color(150, 68, 198, 247));
RectF GRt = CUiMethod::CRect2RectF(OutRect);
m_pDoGrap->DrawRectangle(&Pn1, GRt);
InRect = OutRect;
InRect.left++;
InRect.top++;
InRect.right--;
InRect.bottom--;
Pen Pn2(Color(100, 133, 188, 203));
GRt = CUiMethod::CRect2RectF(InRect);
m_pDoGrap->DrawRectangle(&Pn2, GRt);
}
}
// This function init DC.
// set the default parameters.
static void dc_InitDC(PDC pdc, HWND hWnd, BOOL bIsClient)
{
PCONTROL pCtrl;
pdc->hwnd = hWnd;
pdc->gc = PHYSICALGC;
pdc->bkcolor = PIXEL_lightwhite;
pdc->bkmode = 0;
pdc->brushtype = BT_SOLID;
pdc->brushcolor = PIXEL_lightwhite;
pdc->BrushOrig.x = pdc->BrushOrig.y = 0;
pdc->pentype = PT_SOLID;
pdc->pencolor = PIXEL_black;
pdc->CurPenPos.x = pdc->CurPenPos.y = 0;
pdc->textcolor = PIXEL_black;
if (!(pdc->pLogFont = GetWindowFont (hWnd)))
pdc->pLogFont = GetSystemFont (SYSLOGFONT_WCHAR_DEF);
pdc->tabstop = 8;
pdc->CurTextPos.x = pdc->CurTextPos.y = 0;
pdc->cExtra = pdc->alExtra = pdc->blExtra = 0;
pdc->mapmode = MM_TEXT;
pdc->ViewOrig.x = pdc->ViewOrig.y = 0;
pdc->ViewExtent.x = pdc->ViewExtent.y = 1;
pdc->WindowOrig.x = pdc->WindowOrig.y = 0;
pdc->WindowExtent.x = pdc->WindowExtent.y = 1;
// assume that the local clip region is empty.
// Get global clip region info and generate effective clip region.
pdc->pGCRInfo = GetGCRgnInfo (hWnd);
pthread_mutex_lock (&pdc->pGCRInfo->lock);
pdc->oldage = pdc->pGCRInfo->age;
ClipRgnCopy (&pdc->ecrgn, &pdc->pGCRInfo->crgn);
if (bIsClient)
WndClientRect (pdc->hwnd, &pdc->DevRC);
else
WndRect (pdc->hwnd, &pdc->DevRC);
pdc->bIsClient = bIsClient;
if (bIsClient)
IntersectClipRect (&pdc->ecrgn, &pdc->DevRC);
pCtrl = Control (pdc->hwnd);
if (pCtrl && !(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN))
RestrictControlECRGN (&pdc->ecrgn, pCtrl);
pthread_mutex_unlock (&pdc->pGCRInfo->lock);
}
BOOL COXScreenGrabber::GrabFullWindow(CWnd* pWnd /* = NULL */)
{
CRect WndRect(0, 0, 0, 0);
if (!PrepareWindow(FALSE, WndRect, pWnd))
return FALSE;
return GrabRectangle(WndRect);
}
BOOL dc_GenerateECRgn(PDC pdc, BOOL fForce)
{
RECT rc, rcInter;
PCLIPRECT pcr, pgcr;
PCONTROL pCtrl;
// is global clip region is empty?
if ((!fForce) && (!dc_IsVisible (pdc)))
return FALSE;
// need regenerate?
if (fForce || (pdc->oldage != pdc->pGCRInfo->age)) {
EmptyClipRgn (&pdc->ecrgn);
pcr = pdc->lcrgn.head;
while (pcr) {
rc = pcr->rc;
coor_LP2SP (pdc, &rc.left, &rc.top);
coor_LP2SP (pdc, &rc.right, &rc.bottom);
pgcr = pdc->pGCRInfo->crgn.head;
while (pgcr) {
if (IntersectRect (&rcInter, &rc, &pgcr->rc))
AddClipRect (&pdc->ecrgn, &rcInter);
pgcr = pgcr->next;
}
pcr = pcr->next;
}
if (pdc->lcrgn.head == NULL)
ClipRgnCopy (&pdc->ecrgn, &pdc->pGCRInfo->crgn);
// update the DevRC;
if (pdc->bIsClient)
WndClientRect (pdc->hwnd, &pdc->DevRC);
else
WndRect (pdc->hwnd, &pdc->DevRC);
IntersectClipRect (&pdc->ecrgn, &pdc->DevRC);
pCtrl = Control (pdc->hwnd);
if (pCtrl && !(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN))
RestrictControlECRGN (&pdc->ecrgn, pCtrl);
pdc->oldage = pdc->pGCRInfo->age;
}
return TRUE;
}
void Draw(HWND hWnd, HDC hdc)
{
CRect WndRect(0, 0, 0, 0);
::GetClientRect(hWnd, WndRect);
HDC hMemoryDC = ::CreateCompatibleDC(hdc);
if (hMemoryDC != NULL)
{
HBITMAP hMemoryBitmap = ::CreateCompatibleBitmap(hdc, WndRect.Width(), WndRect.Height());
if (hMemoryBitmap != NULL)
{
::SelectObject(hMemoryDC, hMemoryBitmap);
AggDraw(hWnd, hMemoryDC, hMemoryBitmap);
::BitBlt(hdc, 0, 0, WndRect.Width(), WndRect.Height(), hMemoryDC, 0, 0, SRCCOPY);
::DeleteObject(hMemoryBitmap);
}
::DeleteDC(hMemoryDC);
}
}
/*
* Function: void GUIAPI ReleaseDC(HDC hDC)
* This function release the specified DC.
* Parameter:
* HDC hDC: The DC handle want to release.
* Return:
* None.
*/
void GUIAPI ReleaseDC (HDC hDC)
{
PMAINWIN pWin;
PDC pdc;
PCONTROL pCtrl;
pdc = dc_HDC2PDC(hDC);
EmptyClipRgn (&pdc->lcrgn);
pWin = (PMAINWIN)(pdc->hwnd);
if (pWin && pWin->privCDC == hDC) {
/* for private DC, we reset the clip region info. */
pthread_mutex_lock (&pdc->pGCRInfo->lock);
pdc->oldage = pdc->pGCRInfo->age;
ClipRgnCopy (&pdc->ecrgn, &pdc->pGCRInfo->crgn);
if (pdc->bIsClient)
WndClientRect (pdc->hwnd, &pdc->DevRC);
else
WndRect (pdc->hwnd, &pdc->DevRC);
IntersectClipRect (&pdc->ecrgn, &pdc->DevRC);
pCtrl = Control (pdc->hwnd);
if (pCtrl && !(pCtrl->dwExStyle & WS_EX_CTRLASMAINWIN))
RestrictControlECRGN (&pdc->ecrgn, pCtrl);
pthread_mutex_unlock (&pdc->pGCRInfo->lock);
}
else {
EmptyClipRgn (&pdc->ecrgn);
pdc->pGCRInfo = NULL;
pdc->oldage = 0;
pthread_mutex_lock (&dcslot);
pdc->inuse = FALSE;
pthread_mutex_unlock(&dcslot);
}
}
