Example #1
0
void CPDF_Annot::DrawBorder(CFX_RenderDevice* pDevice,
                            const CFX_Matrix* pUser2Device,
                            const CPDF_RenderOptions* pOptions) {
  if (GetSubtype() == CPDF_Annot::Subtype::POPUP)
    return;

  uint32_t annot_flags = GetFlags();
  if (annot_flags & ANNOTFLAG_HIDDEN) {
    return;
  }
  bool bPrinting = pDevice->GetDeviceClass() == FXDC_PRINTER ||
                   (pOptions && (pOptions->m_Flags & RENDER_PRINTPREVIEW));
  if (bPrinting && (annot_flags & ANNOTFLAG_PRINT) == 0) {
    return;
  }
  if (!bPrinting && (annot_flags & ANNOTFLAG_NOVIEW)) {
    return;
  }
  CPDF_Dictionary* pBS = m_pAnnotDict->GetDictBy("BS");
  char style_char;
  FX_FLOAT width;
  CPDF_Array* pDashArray = nullptr;
  if (!pBS) {
    CPDF_Array* pBorderArray = m_pAnnotDict->GetArrayBy("Border");
    style_char = 'S';
    if (pBorderArray) {
      width = pBorderArray->GetNumberAt(2);
      if (pBorderArray->GetCount() == 4) {
        pDashArray = pBorderArray->GetArrayAt(3);
        if (!pDashArray) {
          return;
        }
        size_t nLen = pDashArray->GetCount();
        size_t i = 0;
        for (; i < nLen; ++i) {
          CPDF_Object* pObj = pDashArray->GetDirectObjectAt(i);
          if (pObj && pObj->GetInteger()) {
            break;
          }
        }
        if (i == nLen) {
          return;
        }
        style_char = 'D';
      }
    } else {
      width = 1;
    }
  } else {
    CFX_ByteString style = pBS->GetStringBy("S");
    pDashArray = pBS->GetArrayBy("D");
    style_char = style[1];
    width = pBS->GetNumberBy("W");
  }
  if (width <= 0) {
    return;
  }
  CPDF_Array* pColor = m_pAnnotDict->GetArrayBy("C");
  uint32_t argb = 0xff000000;
  if (pColor) {
    int R = (int32_t)(pColor->GetNumberAt(0) * 255);
    int G = (int32_t)(pColor->GetNumberAt(1) * 255);
    int B = (int32_t)(pColor->GetNumberAt(2) * 255);
    argb = ArgbEncode(0xff, R, G, B);
  }
  CFX_GraphStateData graph_state;
  graph_state.m_LineWidth = width;
  if (style_char == 'D') {
    if (pDashArray) {
      size_t dash_count = pDashArray->GetCount();
      if (dash_count % 2) {
        dash_count++;
      }
      graph_state.m_DashArray = FX_Alloc(FX_FLOAT, dash_count);
      graph_state.m_DashCount = dash_count;
      size_t i;
      for (i = 0; i < pDashArray->GetCount(); ++i) {
        graph_state.m_DashArray[i] = pDashArray->GetNumberAt(i);
      }
      if (i < dash_count) {
        graph_state.m_DashArray[i] = graph_state.m_DashArray[i - 1];
      }
    } else {
      graph_state.m_DashArray = FX_Alloc(FX_FLOAT, 2);
      graph_state.m_DashCount = 2;
      graph_state.m_DashArray[0] = graph_state.m_DashArray[1] = 3 * 1.0f;
    }
  }
  CFX_FloatRect rect = GetRect();
  CFX_PathData path;
  width /= 2;
  path.AppendRect(rect.left + width, rect.bottom + width, rect.right - width,
                  rect.top - width);
  int fill_type = 0;
  if (pOptions && (pOptions->m_Flags & RENDER_NOPATHSMOOTH)) {
    fill_type |= FXFILL_NOPATHSMOOTH;
  }
  pDevice->DrawPath(&path, pUser2Device, &graph_state, argb, argb, fill_type);
}