C++ CFX_RectF::IsEmpty方法代码示例

void IFWL_ComboList::ChangeSelected(int32_t iSel) {
  if (!m_pProperties->m_pDataProvider)
    return;

  IFWL_ListBoxDP* pData =
      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
  CFWL_ListItem* hItem = pData->GetItem(this, iSel);
  CFX_RectF rtInvalidate;
  rtInvalidate.Reset();
  CFWL_ListItem* hOld = GetSelItem(0);
  int32_t iOld = pData->GetItemIndex(this, hOld);
  if (iOld == iSel)
    return;
  if (iOld > -1) {
    GetItemRect(iOld, rtInvalidate);
    SetSelItem(hOld, false);
  }
  if (hItem) {
    CFX_RectF rect;
    GetItemRect(iSel, rect);
    rtInvalidate.Union(rect);
    CFWL_ListItem* hSel = pData->GetItem(this, iSel);
    SetSelItem(hSel, true);
  }
  if (!rtInvalidate.IsEmpty())
    Repaint(&rtInvalidate);
}

FDE_RENDERSTATUS CFDE_RenderContext::DoRender(IFX_Pause* pPause) {
  if (m_pRenderDevice == NULL) {
    return FDE_RENDERSTATUS_Failed;
  }
  if (m_pIterator == NULL) {
    return FDE_RENDERSTATUS_Failed;
  }
  Lock();
  FDE_RENDERSTATUS eStatus = FDE_RENDERSTATUS_Paused;
  CFX_Matrix rm;
  rm.SetReverse(m_Transform);
  CFX_RectF rtDocClip = m_pRenderDevice->GetClipRect();
  if (rtDocClip.IsEmpty()) {
    rtDocClip.left = rtDocClip.top = 0;
    rtDocClip.width = (FX_FLOAT)m_pRenderDevice->GetWidth();
    rtDocClip.height = (FX_FLOAT)m_pRenderDevice->GetHeight();
  }
  rm.TransformRect(rtDocClip);
  IFDE_VisualSet* pVisualSet;
  FDE_HVISUALOBJ hVisualObj;
  CFX_RectF rtObj;
  int32_t iCount = 0;
  while (TRUE) {
    hVisualObj = m_pIterator->GetNext(pVisualSet);
    if (hVisualObj == NULL || pVisualSet == NULL) {
      eStatus = FDE_RENDERSTATUS_Done;
      break;
    }
    rtObj.Empty();
    pVisualSet->GetRect(hVisualObj, rtObj);
    if (!rtDocClip.IntersectWith(rtObj)) {
      continue;
    }
    switch (pVisualSet->GetType()) {
      case FDE_VISUALOBJ_Text:
        RenderText((IFDE_TextSet*)pVisualSet, hVisualObj);
        iCount += 5;
        break;
      case FDE_VISUALOBJ_Path:
        RenderPath((IFDE_PathSet*)pVisualSet, hVisualObj);
        iCount += 20;
        break;
      case FDE_VISUALOBJ_Widget:
        iCount += 10;
        break;
      case FDE_VISUALOBJ_Canvas:
        FXSYS_assert(FALSE);
        break;
      default:
        break;
    }
    if (iCount >= 100 && pPause != NULL && pPause->NeedToPauseNow()) {
      eStatus = FDE_RENDERSTATUS_Paused;
      break;
    }
  }
  Unlock();
  return m_eStatus = eStatus;
}

void CFWL_WidgetMgrDelegate::DrawChild(IFWL_Widget* parent,
                                       const CFX_RectF& rtClip,
                                       CFX_Graphics* pGraphics,
                                       const CFX_Matrix* pMatrix) {
  if (!parent)
    return;

  FX_BOOL bFormDisable = m_pWidgetMgr->IsFormDisabled();
  IFWL_Widget* pNextChild = m_pWidgetMgr->GetFirstChildWidget(parent);
  while (pNextChild) {
    IFWL_Widget* child = pNextChild;
    pNextChild = m_pWidgetMgr->GetNextSiblingWidget(child);
    if (child->GetStates() & FWL_WGTSTATE_Invisible)
      continue;

    CFX_RectF rtWidget;
    child->GetWidgetRect(rtWidget);
    if (rtWidget.IsEmpty())
      continue;

    CFX_Matrix widgetMatrix;
    CFX_RectF clipBounds(rtWidget);
    if (!bFormDisable)
      child->GetMatrix(widgetMatrix, TRUE);
    if (pMatrix)
      widgetMatrix.Concat(*pMatrix);

    if (!bFormDisable) {
      widgetMatrix.TransformPoint(clipBounds.left, clipBounds.top);
      clipBounds.Intersect(rtClip);
      if (clipBounds.IsEmpty())
        continue;

      pGraphics->SaveGraphState();
      pGraphics->SetClipRect(clipBounds);
    }
    widgetMatrix.Translate(rtWidget.left, rtWidget.top, TRUE);
    IFWL_WidgetDelegate* pDelegate = child->SetDelegate(nullptr);
    if (pDelegate) {
      if (m_pWidgetMgr->IsFormDisabled() ||
          IsNeedRepaint(child, &widgetMatrix, rtClip)) {
        pDelegate->OnDrawWidget(pGraphics, &widgetMatrix);
      }
    }
    if (!bFormDisable)
      pGraphics->RestoreGraphState();

    DrawChild(child, clipBounds, pGraphics,
              bFormDisable ? &widgetMatrix : pMatrix);
    child = m_pWidgetMgr->GetNextSiblingWidget(child);
  }
}

void CFWL_DateTimeCalendarImpDelegate::OnMouseMoveEx(CFWL_MsgMouse* pMsg) {
  if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_MultiSelect) {
    return;
  }
  FX_BOOL bRepaint = FALSE;
  CFX_RectF rtInvalidate;
  rtInvalidate.Set(0, 0, 0, 0);
  if (m_pOwner->m_rtDates.Contains(pMsg->m_fx, pMsg->m_fy)) {
    int32_t iHover = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
    bRepaint = m_pOwner->m_iHovered != iHover;
    if (bRepaint) {
      if (m_pOwner->m_iHovered > 0) {
        m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
      }
      if (iHover > 0) {
        CFX_RectF rtDay;
        m_pOwner->GetDayRect(iHover, rtDay);
        if (rtInvalidate.IsEmpty()) {
          rtInvalidate = rtDay;
        } else {
          rtInvalidate.Union(rtDay);
        }
      }
    }
    m_pOwner->m_iHovered = iHover;
    CFWL_Event_DtpHoverChanged ev;
    ev.hoverday = iHover;
    m_pOwner->DispatchEvent(&ev);
  } else {
    bRepaint = m_pOwner->m_iHovered > 0;
    if (bRepaint) {
      m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
    }
    m_pOwner->m_iHovered = -1;
  }
  if (bRepaint && !rtInvalidate.IsEmpty()) {
    m_pOwner->Repaint(&rtInvalidate);
  }
}

void CFWL_WidgetMgrDelegate::OnDrawWidget(IFWL_Widget* pWidget,
                                          CFX_Graphics* pGraphics,
                                          const CFX_Matrix* pMatrix) {
  if (!pWidget || !pGraphics)
    return;

  CFX_Graphics* pTemp = DrawWidgetBefore(pWidget, pGraphics, pMatrix);
  CFX_RectF clipCopy;
  pWidget->GetWidgetRect(clipCopy);
  clipCopy.left = clipCopy.top = 0;
  if (bUseOffscreenDirect(pWidget)) {
    DrawWidgetAfter(pWidget, pGraphics, clipCopy, pMatrix);
    return;
  }
  CFX_RectF clipBounds;

#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_ || \
    _FX_OS_ == _FX_LINUX_DESKTOP_ || _FX_OS_ == _FX_ANDROID_
  IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(nullptr);
  pDelegate->OnDrawWidget(pTemp, pMatrix);
  pGraphics->GetClipRect(clipBounds);
  clipCopy = clipBounds;
#elif _FX_OS_ == _FX_MACOSX_
  if (m_pWidgetMgr->IsFormDisabled()) {
    IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(nullptr);
    pDelegate->OnDrawWidget(pTemp, pMatrix);
    pGraphics->GetClipRect(clipBounds);
    clipCopy = clipBounds;
  } else {
    clipBounds.Set(pMatrix->a, pMatrix->b, pMatrix->c, pMatrix->d);
    const_cast<CFX_Matrix*>(pMatrix)->SetIdentity();  // FIXME: const cast.
    IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(nullptr);
    pDelegate->OnDrawWidget(pTemp, pMatrix);
  }
#endif  // _FX_OS_ == _FX_MACOSX_

  if (!m_pWidgetMgr->IsFormDisabled()) {
    CFX_RectF rtClient;
    pWidget->GetClientRect(rtClient);
    clipBounds.Intersect(rtClient);
  }
  if (!clipBounds.IsEmpty())
    DrawChild(pWidget, clipBounds, pTemp, pMatrix);

  DrawWidgetAfter(pWidget, pGraphics, clipCopy, pMatrix);
  m_pWidgetMgr->ResetRedrawCounts(pWidget);
}

void CFWL_ComboList::ChangeSelected(int32_t iSel) {
  CFWL_ListItem* hItem = GetItem(this, iSel);
  CFWL_ListItem* hOld = GetSelItem(0);
  int32_t iOld = GetItemIndex(this, hOld);
  if (iOld == iSel)
    return;

  CFX_RectF rtInvalidate;
  if (iOld > -1) {
    if (CFWL_ListItem* hOldItem = GetItem(this, iOld))
      rtInvalidate = hOldItem->GetRect();
    SetSelItem(hOld, false);
  }
  if (hItem) {
    if (CFWL_ListItem* hOldItem = GetItem(this, iSel))
      rtInvalidate.Union(hOldItem->GetRect());
    CFWL_ListItem* hSel = GetItem(this, iSel);
    SetSelItem(hSel, true);
  }
  if (!rtInvalidate.IsEmpty())
    RepaintRect(rtInvalidate);
}

FX_BOOL CFWL_WidgetMgrDelegate::IsNeedRepaint(IFWL_Widget* pWidget,
                                              CFX_Matrix* pMatrix,
                                              const CFX_RectF& rtDirty) {
  CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget);
  if (pItem && pItem->iRedrawCounter > 0) {
    pItem->iRedrawCounter = 0;
    return TRUE;
  }
  CFX_RectF rtWidget;
  pWidget->GetWidgetRect(rtWidget);
  rtWidget.left = rtWidget.top = 0;
  pMatrix->TransformRect(rtWidget);
  if (!rtWidget.IntersectWith(rtDirty))
    return FALSE;

  IFWL_Widget* pChild =
      CFWL_WidgetMgr::GetInstance()->GetFirstChildWidget(pWidget);
  if (!pChild)
    return TRUE;

  CFX_RectF rtChilds;
  rtChilds.Empty();
  FX_BOOL bChildIntersectWithDirty = FALSE;
  FX_BOOL bOrginPtIntersectWidthChild = FALSE;
  FX_BOOL bOrginPtIntersectWidthDirty =
      rtDirty.Contains(rtWidget.left, rtWidget.top);
  static FWL_NEEDREPAINTHITDATA hitPoint[kNeedRepaintHitPoints];
  FXSYS_memset(hitPoint, 0, sizeof(hitPoint));
  FX_FLOAT fxPiece = rtWidget.width / kNeedRepaintHitPiece;
  FX_FLOAT fyPiece = rtWidget.height / kNeedRepaintHitPiece;
  hitPoint[2].hitPoint.x = hitPoint[6].hitPoint.x = rtWidget.left;
  hitPoint[0].hitPoint.x = hitPoint[3].hitPoint.x = hitPoint[7].hitPoint.x =
      hitPoint[10].hitPoint.x = fxPiece + rtWidget.left;
  hitPoint[1].hitPoint.x = hitPoint[4].hitPoint.x = hitPoint[8].hitPoint.x =
      hitPoint[11].hitPoint.x = fxPiece * 2 + rtWidget.left;
  hitPoint[5].hitPoint.x = hitPoint[9].hitPoint.x =
      rtWidget.width + rtWidget.left;
  hitPoint[0].hitPoint.y = hitPoint[1].hitPoint.y = rtWidget.top;
  hitPoint[2].hitPoint.y = hitPoint[3].hitPoint.y = hitPoint[4].hitPoint.y =
      hitPoint[5].hitPoint.y = fyPiece + rtWidget.top;
  hitPoint[6].hitPoint.y = hitPoint[7].hitPoint.y = hitPoint[8].hitPoint.y =
      hitPoint[9].hitPoint.y = fyPiece * 2 + rtWidget.top;
  hitPoint[10].hitPoint.y = hitPoint[11].hitPoint.y =
      rtWidget.height + rtWidget.top;
  do {
    CFX_RectF rect;
    pChild->GetWidgetRect(rect);
    CFX_RectF r = rect;
    r.left += rtWidget.left;
    r.top += rtWidget.top;
    if (r.IsEmpty())
      continue;
    if (r.Contains(rtDirty))
      return FALSE;
    if (!bChildIntersectWithDirty && r.IntersectWith(rtDirty))
      bChildIntersectWithDirty = TRUE;
    if (bOrginPtIntersectWidthDirty && !bOrginPtIntersectWidthChild)
      bOrginPtIntersectWidthChild = rect.Contains(0, 0);

    if (rtChilds.IsEmpty())
      rtChilds = rect;
    else if (!(pChild->GetStates() & FWL_WGTSTATE_Invisible))
      rtChilds.Union(rect);

    for (int32_t i = 0; i < kNeedRepaintHitPoints; i++) {
      if (hitPoint[i].bNotContainByDirty || hitPoint[i].bNotNeedRepaint)
        continue;
      if (!rtDirty.Contains(hitPoint[i].hitPoint)) {
        hitPoint[i].bNotContainByDirty = true;
        continue;
      }
      if (r.Contains(hitPoint[i].hitPoint))
        hitPoint[i].bNotNeedRepaint = true;
    }
    pChild = CFWL_WidgetMgr::GetInstance()->GetNextSiblingWidget(pChild);
  } while (pChild);

  if (!bChildIntersectWithDirty)
    return TRUE;
  if (bOrginPtIntersectWidthDirty && !bOrginPtIntersectWidthChild)
    return TRUE;
  if (rtChilds.IsEmpty())
    return TRUE;

  int32_t repaintPoint = kNeedRepaintHitPoints;
  for (int32_t i = 0; i < kNeedRepaintHitPoints; i++) {
    if (hitPoint[i].bNotNeedRepaint)
      repaintPoint--;
  }
  if (repaintPoint > 0)
    return TRUE;

  pMatrix->TransformRect(rtChilds);
  if (rtChilds.Contains(rtDirty) || rtChilds.Contains(rtWidget))
    return FALSE;
  return TRUE;
}