C++ CFX_FloatRect::IsEmpty方法代码示例

void CPWL_Caret::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                    CFX_Matrix* pUser2Device) {
  if (IsVisible() && m_bFlash) {
    CFX_FloatRect rcRect = GetCaretRect();
    CFX_FloatRect rcClip = GetClipRect();
    CFX_PathData path;
    path.SetPointCount(2);

    FX_FLOAT fCaretX = rcRect.left + m_fWidth * 0.5f;
    FX_FLOAT fCaretTop = rcRect.top;
    FX_FLOAT fCaretBottom = rcRect.bottom;
    if (!rcClip.IsEmpty()) {
      rcRect.Intersect(rcClip);
      if (!rcRect.IsEmpty()) {
        fCaretTop = rcRect.top;
        fCaretBottom = rcRect.bottom;
        path.SetPoint(0, fCaretX, fCaretBottom, FXPT_MOVETO);
        path.SetPoint(1, fCaretX, fCaretTop, FXPT_LINETO);
      } else {
        return;
      }
    } else {
      path.SetPoint(0, fCaretX, fCaretBottom, FXPT_MOVETO);
      path.SetPoint(1, fCaretX, fCaretTop, FXPT_LINETO);
    }

    CFX_GraphStateData gsd;
    gsd.m_LineWidth = m_fWidth;
    pDevice->DrawPath(&path, pUser2Device, &gsd, 0, ArgbEncode(255, 0, 0, 0),
                      FXFILL_ALTERNATE);
  }
}

bool CPDF_TextPage::IsSameTextObject(CPDF_TextObject* pTextObj1,
                                     CPDF_TextObject* pTextObj2) {
  if (!pTextObj1 || !pTextObj2)
    return false;

  CFX_FloatRect rcPreObj = pTextObj2->GetRect();
  const CFX_FloatRect& rcCurObj = pTextObj1->GetRect();
  if (rcPreObj.IsEmpty() && rcCurObj.IsEmpty()) {
    float dbXdif = fabs(rcPreObj.left - rcCurObj.left);
    size_t nCount = m_CharList.size();
    if (nCount >= 2) {
      PAGECHAR_INFO perCharTemp = m_CharList[nCount - 2];
      float dbSpace = perCharTemp.m_CharBox.Width();
      if (dbXdif > dbSpace)
        return false;
    }
  }
  if (!rcPreObj.IsEmpty() || !rcCurObj.IsEmpty()) {
    rcPreObj.Intersect(rcCurObj);
    if (rcPreObj.IsEmpty())
      return false;
    if (fabs(rcPreObj.Width() - rcCurObj.Width()) > rcCurObj.Width() / 2) {
      return false;
    }
    if (pTextObj2->GetFontSize() != pTextObj1->GetFontSize())
      return false;
  }

  size_t nPreCount = pTextObj2->CountItems();
  if (nPreCount != pTextObj1->CountItems())
    return false;

  // If both objects have no items, consider them same.
  if (nPreCount == 0)
    return true;

  CPDF_TextObjectItem itemPer;
  CPDF_TextObjectItem itemCur;
  for (size_t i = 0; i < nPreCount; ++i) {
    pTextObj2->GetItemInfo(i, &itemPer);
    pTextObj1->GetItemInfo(i, &itemCur);
    if (itemCur.m_CharCode != itemPer.m_CharCode)
      return false;
  }

  CFX_PointF diff = pTextObj1->GetPos() - pTextObj2->GetPos();
  float font_size = pTextObj2->GetFontSize();
  float char_size = GetCharWidth(itemPer.m_CharCode, pTextObj2->GetFont());
  float max_pre_size =
      std::max(std::max(rcPreObj.Height(), rcPreObj.Width()), font_size);
  return fabs(diff.x) <= 0.9 * char_size * font_size / 1000 &&
         fabs(diff.y) <= max_pre_size / 8;
}

void CPWL_CBButton::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
  CPWL_Wnd::GetThisAppearanceStream(sAppStream);

  CFX_FloatRect rectWnd = CPWL_Wnd::GetWindowRect();

  if (IsVisible() && !rectWnd.IsEmpty()) {
    CFX_ByteTextBuf sButton;

    CFX_FloatPoint ptCenter = GetCenterPoint();

    CFX_FloatPoint pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,
                       ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
    CFX_FloatPoint pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,
                       ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
    CFX_FloatPoint pt3(ptCenter.x,
                       ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);

    if (IsFloatBigger(rectWnd.right - rectWnd.left,
                      PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) &&
        IsFloatBigger(rectWnd.top - rectWnd.bottom,
                      PWL_CBBUTTON_TRIANGLE_HALFLEN)) {
      sButton << "0 g\n";
      sButton << pt1.x << " " << pt1.y << " m\n";
      sButton << pt2.x << " " << pt2.y << " l\n";
      sButton << pt3.x << " " << pt3.y << " l\n";
      sButton << pt1.x << " " << pt1.y << " l f\n";

      sAppStream << "q\n" << sButton << "Q\n";
    }
  }
}

void CPWL_CBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                       CFX_Matrix* pUser2Device) {
  CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);

  CFX_FloatRect rectWnd = CPWL_Wnd::GetWindowRect();

  if (IsVisible() && !rectWnd.IsEmpty()) {
    CFX_PointF ptCenter = GetCenterPoint();

    CFX_PointF pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,
                   ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
    CFX_PointF pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,
                   ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
    CFX_PointF pt3(ptCenter.x,
                   ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);

    if (IsFloatBigger(rectWnd.right - rectWnd.left,
                      PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) &&
        IsFloatBigger(rectWnd.top - rectWnd.bottom,
                      PWL_CBBUTTON_TRIANGLE_HALFLEN)) {
      CFX_PathData path;
      path.AppendPoint(pt1, FXPT_TYPE::MoveTo, false);
      path.AppendPoint(pt2, FXPT_TYPE::LineTo, false);
      path.AppendPoint(pt3, FXPT_TYPE::LineTo, false);
      path.AppendPoint(pt1, FXPT_TYPE::LineTo, false);

      pDevice->DrawPath(&path, pUser2Device, nullptr,
                        PWL_DEFAULT_BLACKCOLOR.ToFXColor(GetTransparency()), 0,
                        FXFILL_ALTERNATE);
    }
  }
}

void CPWL_CBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                       CFX_Matrix* pUser2Device) {
  CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);

  CFX_FloatRect rectWnd = CPWL_Wnd::GetWindowRect();

  if (IsVisible() && !rectWnd.IsEmpty()) {
    CFX_FloatPoint ptCenter = GetCenterPoint();

    CFX_FloatPoint pt1(ptCenter.x - PWL_CBBUTTON_TRIANGLE_HALFLEN,
                       ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
    CFX_FloatPoint pt2(ptCenter.x + PWL_CBBUTTON_TRIANGLE_HALFLEN,
                       ptCenter.y + PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);
    CFX_FloatPoint pt3(ptCenter.x,
                       ptCenter.y - PWL_CBBUTTON_TRIANGLE_HALFLEN * 0.5f);

    if (IsFloatBigger(rectWnd.right - rectWnd.left,
                      PWL_CBBUTTON_TRIANGLE_HALFLEN * 2) &&
        IsFloatBigger(rectWnd.top - rectWnd.bottom,
                      PWL_CBBUTTON_TRIANGLE_HALFLEN)) {
      CFX_PathData path;

      path.SetPointCount(4);
      path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO);
      path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO);
      path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO);
      path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO);

      pDevice->DrawPath(&path, pUser2Device, nullptr,
                        CPWL_Utils::PWLColorToFXColor(PWL_DEFAULT_BLACKCOLOR,
                                                      GetTransparency()),
                        0, FXFILL_ALTERNATE);
    }
  }
}

CFX_WideString CRF_TextPage::GetTextByRect(CFX_FloatRect rect) const
{
    int count;
    FPDF_CHAR_INFO info;
    CFX_WideString str;
    CFX_FloatRect  Recttmp;
    FX_BOOL bstart = TRUE;
    count = CountChars();
    if(rect.IsEmpty()) {
        return L"";
    }
    for(int i = 0; i < count; i++) {
        GetCharInfo(i, info);
        if(_IsIntersect(rect, info.m_CharBox)) {
            if(bstart) {
                Recttmp = info.m_CharBox;
                str += info.m_Unicode;
                bstart = FALSE;
            } else if(_IsInsameline(Recttmp, info.m_CharBox)) {
                str += info.m_Unicode;
            } else {
                str += L"\r\n";
                Recttmp = info.m_CharBox;
                str += info.m_Unicode;
            }
        }
    }
    if(str.IsEmpty()) {
        return L"";
    } else {
        return str;
    }
}

void CFFL_InteractiveFormFiller::OnDraw(CPDFSDK_PageView* pPageView,
                                        CPDFSDK_Annot* pAnnot,
                                        CFX_RenderDevice* pDevice,
                                        const CFX_Matrix& mtUser2Device) {
  ASSERT(pPageView);
  CPDFSDK_Widget* pWidget = ToCPDFSDKWidget(pAnnot);
  if (!IsVisible(pWidget))
    return;

  CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false);
  if (pFormFiller && pFormFiller->IsValid()) {
    pFormFiller->OnDraw(pPageView, pAnnot, pDevice, mtUser2Device);
    pAnnot->GetPDFPage();
    if (m_pFormFillEnv->GetFocusAnnot() != pAnnot)
      return;

    CFX_FloatRect rcFocus = pFormFiller->GetFocusBox(pPageView);
    if (rcFocus.IsEmpty())
      return;

    CFX_PathData path;
    path.AppendPoint(CFX_PointF(rcFocus.left, rcFocus.top), FXPT_TYPE::MoveTo,
                     false);
    path.AppendPoint(CFX_PointF(rcFocus.left, rcFocus.bottom),
                     FXPT_TYPE::LineTo, false);
    path.AppendPoint(CFX_PointF(rcFocus.right, rcFocus.bottom),
                     FXPT_TYPE::LineTo, false);
    path.AppendPoint(CFX_PointF(rcFocus.right, rcFocus.top), FXPT_TYPE::LineTo,
                     false);
    path.AppendPoint(CFX_PointF(rcFocus.left, rcFocus.top), FXPT_TYPE::LineTo,
                     false);

    CFX_GraphStateData gsd;
    gsd.m_DashArray = {1.0f};
    gsd.m_DashPhase = 0;
    gsd.m_LineWidth = 1.0f;
    pDevice->DrawPath(&path, &mtUser2Device, &gsd, 0, ArgbEncode(255, 0, 0, 0),
                      FXFILL_ALTERNATE);
    return;
  }

  pFormFiller = GetFormFiller(pAnnot, false);
  if (pFormFiller) {
    pFormFiller->OnDrawDeactive(pPageView, pAnnot, pDevice, mtUser2Device);
  } else {
    pWidget->DrawAppearance(pDevice, mtUser2Device, CPDF_Annot::Normal,
                            nullptr);
  }

  if (!IsReadOnly(pWidget) && IsFillingAllowed(pWidget))
    pWidget->DrawShadow(pDevice, pPageView);
}

void CFFL_IFormFiller::OnDraw(CPDFSDK_PageView* pPageView,
                              CPDFSDK_Annot* pAnnot,
                              CFX_RenderDevice* pDevice,
                              CFX_Matrix* pUser2Device,
                              FX_DWORD dwFlags) {
  ASSERT(pPageView);
  CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;

  if (IsVisible(pWidget)) {
    if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, FALSE)) {
      if (pFormFiller->IsValid()) {
        pFormFiller->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags);
        pAnnot->GetPDFPage();

        CPDFSDK_Document* pDocument = m_pApp->GetSDKDocument();
        if (pDocument->GetFocusAnnot() == pAnnot) {
          CFX_FloatRect rcFocus = pFormFiller->GetFocusBox(pPageView);
          if (!rcFocus.IsEmpty()) {
            CFX_PathData path;
            path.SetPointCount(5);
            path.SetPoint(0, rcFocus.left, rcFocus.top, FXPT_MOVETO);
            path.SetPoint(1, rcFocus.left, rcFocus.bottom, FXPT_LINETO);
            path.SetPoint(2, rcFocus.right, rcFocus.bottom, FXPT_LINETO);
            path.SetPoint(3, rcFocus.right, rcFocus.top, FXPT_LINETO);
            path.SetPoint(4, rcFocus.left, rcFocus.top, FXPT_LINETO);

            CFX_GraphStateData gsd;
            gsd.SetDashCount(1);
            gsd.m_DashArray[0] = 1.0f;
            gsd.m_DashPhase = 0;
            gsd.m_LineWidth = 1.0f;
            pDevice->DrawPath(&path, pUser2Device, &gsd, 0,
                              ArgbEncode(255, 0, 0, 0), FXFILL_ALTERNATE);
          }
        }
        return;
      }
    }

    if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, FALSE))
      pFormFiller->OnDrawDeactive(pPageView, pAnnot, pDevice, pUser2Device,
                                  dwFlags);
    else
      pWidget->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);

    if (!IsReadOnly(pWidget) && IsFillingAllowed(pWidget))
      pWidget->DrawShadow(pDevice, pPageView);
  }
}

FX_RECT CFFL_InteractiveFormFiller::GetViewBBox(CPDFSDK_PageView* pPageView,
                                                CPDFSDK_Annot* pAnnot) {
  if (CFFL_FormFiller* pFormFiller = GetFormFiller(pAnnot, false))
    return pFormFiller->GetViewBBox(pPageView, pAnnot);

  ASSERT(pPageView);

  CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
  CFX_FloatRect rcWin = pPDFAnnot->GetRect();
  if (!rcWin.IsEmpty()) {
    rcWin.Inflate(1, 1);
    rcWin.Normalize();
  }
  return rcWin.GetOuterRect();
}

CFX_Matrix GetMatrix(CFX_FloatRect rcAnnot,
                     CFX_FloatRect rcStream,
                     const CFX_Matrix& matrix) {
  if (rcStream.IsEmpty())
    return CFX_Matrix();

  matrix.TransformRect(rcStream);
  rcStream.Normalize();

  FX_FLOAT a = rcAnnot.Width() / rcStream.Width();
  FX_FLOAT d = rcAnnot.Height() / rcStream.Height();

  FX_FLOAT e = rcAnnot.left - rcStream.left * a;
  FX_FLOAT f = rcAnnot.bottom - rcStream.bottom * d;
  return CFX_Matrix(a, 0, 0, d, e, f);
}

FX_BOOL IsValiableRect(CFX_FloatRect rect, CFX_FloatRect rcPage) {
  if (rect.left - rect.right > 0.000001f || rect.bottom - rect.top > 0.000001f)
    return FALSE;

  if (rect.left == 0.0f && rect.top == 0.0f && rect.right == 0.0f &&
      rect.bottom == 0.0f)
    return FALSE;

  if (!rcPage.IsEmpty()) {
    if (rect.left - rcPage.left < -10.000001f ||
        rect.right - rcPage.right > 10.000001f ||
        rect.top - rcPage.top > 10.000001f ||
        rect.bottom - rcPage.bottom < -10.000001f)
      return FALSE;
  }

  return TRUE;
}

void CPWL_Wnd::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                  CFX_Matrix* pUser2Device) {
  CFX_FloatRect rectWnd = GetWindowRect();
  if (!rectWnd.IsEmpty()) {
    if (HasFlag(PWS_BACKGROUND)) {
      CFX_FloatRect rcClient = CPWL_Utils::DeflateRect(
          rectWnd, (FX_FLOAT)(GetBorderWidth() + GetInnerBorderWidth()));
      CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcClient,
                               GetBackgroundColor(), GetTransparency());
    }

    if (HasFlag(PWS_BORDER))
      CPWL_Utils::DrawBorder(pDevice, pUser2Device, rectWnd,
                             (FX_FLOAT)GetBorderWidth(), GetBorderColor(),
                             GetBorderLeftTopColor(GetBorderStyle()),
                             GetBorderRightBottomColor(GetBorderStyle()),
                             GetBorderStyle(), GetTransparency());
  }
}

// if don't set,Get default apperance stream
void CPWL_Wnd::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
  CFX_FloatRect rectWnd = GetWindowRect();
  if (!rectWnd.IsEmpty()) {
    CFX_ByteTextBuf sThis;

    if (HasFlag(PWS_BACKGROUND))
      sThis << CPWL_Utils::GetRectFillAppStream(rectWnd, GetBackgroundColor());

    if (HasFlag(PWS_BORDER)) {
      sThis << CPWL_Utils::GetBorderAppStream(
          rectWnd, (FX_FLOAT)GetBorderWidth(), GetBorderColor(),
          GetBorderLeftTopColor(GetBorderStyle()),
          GetBorderRightBottomColor(GetBorderStyle()), GetBorderStyle(),
          GetBorderDash());
    }

    sAppStream << sThis;
  }
}

FX_RECT CFFL_FormFiller::GetViewBBox(CPDFSDK_PageView* pPageView,
                                     CPDFSDK_Annot* pAnnot) {
  ASSERT(pPageView);
  ASSERT(pAnnot);

  CFX_FloatRect rcAnnot = m_pWidget->GetRect();

  if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, FALSE)) {
    CFX_FloatRect rcWindow = pWnd->GetWindowRect();
    rcAnnot = PWLtoFFL(rcWindow);
  }

  CFX_FloatRect rcWin = rcAnnot;

  CFX_FloatRect rcFocus = GetFocusBox(pPageView);
  if (!rcFocus.IsEmpty())
    rcWin.Union(rcFocus);

  CFX_FloatRect rect = CPWL_Utils::InflateRect(rcWin, 1);

  return rect.GetOutterRect();
}

void CPWL_Caret::GetCaretApp(CFX_ByteTextBuf& sAppStream,
                             const CFX_FloatPoint& ptOffset) {
  if (IsVisible() && m_bFlash) {
    CFX_ByteTextBuf sCaret;

    CFX_FloatRect rcRect = GetCaretRect();
    CFX_FloatRect rcClip = GetClipRect();

    rcRect = CPWL_Utils::OffsetRect(rcRect, ptOffset.x, ptOffset.y);
    rcClip = CPWL_Utils::OffsetRect(rcClip, ptOffset.x, ptOffset.y);

    sCaret << "q\n";
    if (!rcClip.IsEmpty()) {
      sCaret << rcClip.left << " " << rcClip.bottom + 2.5f << " "
             << rcClip.right - rcClip.left << " "
             << rcClip.top - rcClip.bottom - 4.5f << " re W n\n";
    }
    sCaret << m_fWidth << " w\n0 G\n";
    sCaret << rcRect.left + m_fWidth / 2 << " " << rcRect.bottom << " m\n";
    sCaret << rcRect.left + m_fWidth / 2 << " " << rcRect.top << " l S\nQ\n";

    sAppStream << sCaret;
  }
}