C++ CFX_FloatRect类代码示例

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);
  }
}

CFX_FloatRect CPDF_ClipPath::GetClipBox() const {
  CFX_FloatRect rect;
  bool bStarted = false;
  if (GetPathCount() > 0) {
    rect = GetPath(0).GetBoundingBox();
    for (size_t i = 1; i < GetPathCount(); ++i) {
      CFX_FloatRect path_rect = GetPath(i).GetBoundingBox();
      rect.Intersect(path_rect);
    }
    bStarted = true;
  }

  CFX_FloatRect layer_rect;
  bool bLayerStarted = false;
  for (size_t i = 0; i < GetTextCount(); ++i) {
    CPDF_TextObject* pTextObj = GetText(i);
    if (pTextObj) {
      if (bLayerStarted) {
        layer_rect.Union(CFX_FloatRect(pTextObj->GetBBox()));
      } else {
        layer_rect = CFX_FloatRect(pTextObj->GetBBox());
        bLayerStarted = true;
      }
    } else {
      if (bStarted) {
        rect.Intersect(layer_rect);
      } else {
        rect = layer_rect;
        bStarted = true;
      }
      bLayerStarted = false;
    }
  }
  return rect;
}

CPDF_Link CPDF_LinkList::GetLinkAtPoint(CPDF_Page* pPage,
                                        FX_FLOAT pdf_x,
                                        FX_FLOAT pdf_y,
                                        int* z_order) {
  const std::vector<CPDF_Dictionary*>* pPageLinkList = GetPageLinks(pPage);
  if (!pPageLinkList)
    return CPDF_Link();

  for (size_t i = pPageLinkList->size(); i > 0; --i) {
    size_t annot_index = i - 1;
    CPDF_Dictionary* pAnnot = (*pPageLinkList)[annot_index];
    if (!pAnnot)
      continue;

    CPDF_Link link(pAnnot);
    CFX_FloatRect rect = link.GetRect();
    if (!rect.Contains(pdf_x, pdf_y))
      continue;

    if (z_order)
      *z_order = annot_index;
    return link;
  }
  return CPDF_Link();
}

void CFDE_Path::GetBBox(CFX_RectF& bbox,
                        FX_FLOAT fLineWidth,
                        FX_FLOAT fMiterLimit) const {
  CFX_FloatRect rect = m_Path.GetBoundingBox(fLineWidth, fMiterLimit);
  bbox.Set(rect.left, rect.top, rect.Width(), rect.Height());
  bbox.Normalize();
}

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);
    }
  }
}

CPDF_FormControl* CPDF_InterForm::GetControlAtPoint(CPDF_Page* pPage,
                                                    FX_FLOAT pdf_x,
                                                    FX_FLOAT pdf_y,
                                                    int* z_order) const {
  CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArrayBy("Annots");
  if (!pAnnotList)
    return nullptr;

  for (size_t i = pAnnotList->GetCount(); i > 0; --i) {
    size_t annot_index = i - 1;
    CPDF_Dictionary* pAnnot = pAnnotList->GetDictAt(annot_index);
    if (!pAnnot)
      continue;

    const auto it = m_ControlMap.find(pAnnot);
    if (it == m_ControlMap.end())
      continue;

    CPDF_FormControl* pControl = it->second;
    CFX_FloatRect rect = pControl->GetRect();
    if (!rect.Contains(pdf_x, pdf_y))
      continue;

    if (z_order)
      *z_order = static_cast<int>(annot_index);
    return pControl;
  }
  return nullptr;
}

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_Wnd::InvalidateRectMove(const CFX_FloatRect& rcOld,
                                  const CFX_FloatRect& rcNew) {
  CFX_FloatRect rcUnion = rcOld;
  rcUnion.Union(rcNew);

  InvalidateRect(&rcUnion);
}

DLLEXPORT void STDCALL FPDFPage_TransformAnnots(FPDF_PAGE page,
                                                double a,
                                                double b,
                                                double c,
                                                double d,
                                                double e,
                                                double f) {
  CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
  if (!pPage)
    return;

  CPDF_AnnotList AnnotList(pPage);
  for (size_t i = 0; i < AnnotList.Count(); ++i) {
    CPDF_Annot* pAnnot = AnnotList.GetAt(i);
    // transformAnnots Rectangle
    CFX_FloatRect rect = pAnnot->GetRect();
    CFX_Matrix matrix((FX_FLOAT)a, (FX_FLOAT)b, (FX_FLOAT)c, (FX_FLOAT)d,
                      (FX_FLOAT)e, (FX_FLOAT)f);
    rect.Transform(&matrix);
    CPDF_Array* pRectArray = pAnnot->GetAnnotDict()->GetArrayBy("Rect");
    if (!pRectArray)
      pRectArray = new CPDF_Array;
    pRectArray->SetAt(0, new CPDF_Number(rect.left));
    pRectArray->SetAt(1, new CPDF_Number(rect.bottom));
    pRectArray->SetAt(2, new CPDF_Number(rect.right));
    pRectArray->SetAt(3, new CPDF_Number(rect.top));
    pAnnot->GetAnnotDict()->SetAt("Rect", pRectArray);

    // Transform AP's rectangle
    // To Do
  }
}

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);
    }
  }
}

int CRF_TextPage::GetIndexAtPos(CPDF_Point point, FX_FLOAT xTorelance, FX_FLOAT yTorelance) const
{
    int index = -1, i = 0, j = 0;
    FPDF_CHAR_INFO info;
    CFX_FloatRect rectTmp;
    FX_FLOAT MinDistance = 1000, DistanceTmp = 0;
    FX_FLOAT rect_bottom = point.x - xTorelance;
    CFX_FloatRect TorelanceRect(rect_bottom <= 0 ? 0 : rect_bottom, point.y - yTorelance, point.x + xTorelance, point.y + yTorelance);
    int count = CountChars();
    for(i = 0; i < count; i++) {
        GetCharInfo(i, info);
        rectTmp = info.m_CharBox;
        if(rectTmp.Contains(point.x, point.y)) {
            index = i;
            break;
        } else if(_IsIntersect(rectTmp, TorelanceRect)) {
            DistanceTmp = _GetDistance(rectTmp, point);
            if(DistanceTmp < MinDistance) {
                MinDistance = DistanceTmp;
                index = i;
            }
        }
    }
    return index;
}

void CPDF_ReflowedPage::FocusGetData(const CFX_AffineMatrix matrix, FX_INT32 x, FX_INT32 y, CFX_ByteString& str)
{
    if (NULL == m_pReflowed) {
        return;
    }
    CFX_AffineMatrix revMatrix;
    revMatrix.SetReverse(matrix);
    FX_FLOAT x1, y1;
    revMatrix.Transform((float)x, (float)y, x1, y1);
    int count = m_pReflowed->GetSize();
    FX_FLOAT dx = 1000, dy = 1000;
    FX_INT32 pos = 0;
    FX_INT32 i;
    for(i = 0; i < count; i++) {
        CRF_Data* pData = (*m_pReflowed)[i];
        FX_FLOAT tempdy = FXSYS_fabs(pData->m_PosY - y1);
        if(FXSYS_fabs(tempdy - dy) < 1) {
            continue;
        }
        CFX_FloatRect rect (0, pData->m_PosY + pData->m_Height, this->m_PageWidth, pData->m_PosY);
        if(rect.Contains(x1, y1)) {
            pos = i;
            dx = 0;
            dy = 0;
            break;
        } else if(tempdy < dy) {
            dy = tempdy;
            dx = FXSYS_fabs(pData->m_PosX - x1);
            pos = i;
        } else if (tempdy == dy) {
            FX_FLOAT tempdx = FXSYS_fabs(pData->m_PosX - x1);
            if(tempdx < dx) {
                dx = tempdx;
                pos = i;
            }
        } else if (tempdy > dy) {
            break;
        }
    }
    if(dx != 0 || dy != 0) {
        count = count < (pos + 10) ? count : (pos + 10);
        for(i = 0 > (pos - 10) ? 0 : (pos - 10); i < count; i++) {
            CRF_Data* pData = (*m_pReflowed)[i];
            FX_FLOAT tempdy = FXSYS_fabs(pData->m_PosY - y1);
            if(tempdy < dy) {
                dy = tempdy;
                dx = FXSYS_fabs(pData->m_PosX - x1);
                pos = i;
            } else if (tempdy == dy) {
                FX_FLOAT tempdx = FXSYS_fabs(pData->m_PosX - x1);
                if(tempdx < dx) {
                    dx = tempdx;
                    pos = i;
                }
            }
        }
    }
    str.Format("%d", pos);
}

CFX_FloatRect CPDF_Annot::GetRect() const {
  if (!m_pAnnotDict)
    return CFX_FloatRect();

  CFX_FloatRect rect = m_pAnnotDict->GetRectBy("Rect");
  rect.Normalize();
  return rect;
}

FX_BOOL CFFL_IFormFiller::Annot_HitTest(CPDFSDK_PageView* pPageView,
                                        CPDFSDK_Annot* pAnnot,
                                        CFX_FloatPoint point) {
  CFX_FloatRect rc = pAnnot->GetRect();
  if (rc.Contains(point.x, point.y))
    return TRUE;
  return FALSE;
}

FX_BOOL CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext,
                                            CFX_RenderDevice* pDevice,
                                            FX_RECT* pRect,
                                            const CPDF_PageObject* pObj,
                                            const CPDF_RenderOptions* pOptions,
                                            int max_dpi) {
  FXSYS_assert(pRect != NULL);
  m_pDevice = pDevice;
  if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) {
    return TRUE;
  }
  m_pContext = pContext;
  m_Rect = *pRect;
  m_pObject = pObj;
  m_Matrix.TranslateI(-pRect->left, -pRect->top);
  int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE);
  int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE);
  if (horz_size && vert_size && max_dpi) {
    int dpih =
        pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10);
    int dpiv =
        pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10);
    if (dpih > max_dpi) {
      m_Matrix.Scale((FX_FLOAT)(max_dpi) / dpih, 1.0f);
    }
    if (dpiv > max_dpi) {
      m_Matrix.Scale(1.0f, (FX_FLOAT)(max_dpi) / (FX_FLOAT)dpiv);
    }
  }
  m_pBitmapDevice.reset(new CFX_FxgeDevice);
  FXDIB_Format dibFormat = FXDIB_Rgb;
  int32_t bpp = 24;
  if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_ALPHA_OUTPUT) {
    dibFormat = FXDIB_Argb;
    bpp = 32;
  }
  CFX_FloatRect rect;
  int32_t iWidth, iHeight, iPitch;
  while (1) {
    rect = *pRect;
    m_Matrix.TransformRect(rect);
    FX_RECT bitmap_rect = rect.GetOutterRect();
    iWidth = bitmap_rect.Width();
    iHeight = bitmap_rect.Height();
    iPitch = (iWidth * bpp + 31) / 32 * 4;
    if (iWidth * iHeight < 1) {
      return FALSE;
    }
    if (iPitch * iHeight <= _FPDFAPI_IMAGESIZE_LIMIT_ &&
        m_pBitmapDevice->Create(iWidth, iHeight, dibFormat)) {
      break;
    }
    m_Matrix.Scale(0.5f, 0.5f);
  }
  m_pContext->GetBackground(m_pBitmapDevice->GetBitmap(), m_pObject, pOptions,
                            &m_Matrix);
  return TRUE;
}