C++ CFX_PathData::GetPoints方法代码示例

void CPDF_StreamContentParser::AddPathObject(int FillType, FX_BOOL bStroke) {
  int PathPointCount = m_PathPointCount, PathClipType = m_PathClipType;
  m_PathPointCount = 0;
  m_PathClipType = 0;
  if (PathPointCount <= 1) {
    if (PathPointCount && PathClipType) {
      CPDF_Path path;
      path.New()->AppendRect(0, 0, 0, 0);
      m_pCurStates->m_ClipPath.AppendPath(path, FXFILL_WINDING, TRUE);
    }
    return;
  }
  if (PathPointCount &&
      m_pPathPoints[PathPointCount - 1].m_Flag == FXPT_MOVETO) {
    PathPointCount--;
  }
  CPDF_Path Path;
  CFX_PathData* pPathData = Path.New();
  pPathData->SetPointCount(PathPointCount);
  FXSYS_memcpy(pPathData->GetPoints(), m_pPathPoints,
               sizeof(FX_PATHPOINT) * PathPointCount);
  CFX_Matrix matrix = m_pCurStates->m_CTM;
  matrix.Concat(m_mtContentToUser);
  if (bStroke || FillType) {
    CPDF_PathObject* pPathObj = new CPDF_PathObject;
    pPathObj->m_bStroke = bStroke;
    pPathObj->m_FillType = FillType;
    pPathObj->m_Path = Path;
    pPathObj->m_Matrix = matrix;
    SetGraphicStates(pPathObj, TRUE, FALSE, TRUE);
    pPathObj->CalcBoundingBox();
    m_pObjectList->m_ObjectList.AddTail(pPathObj);
  }
  if (PathClipType) {
    if (!matrix.IsIdentity()) {
      Path.Transform(&matrix);
      matrix.SetIdentity();
    }
    m_pCurStates->m_ClipPath.AppendPath(Path, PathClipType, TRUE);
  }
}

  void Draw(int x_scale,
            int y_scale,
            int left,
            int bottom,
            Coon_Bezier C1,
            Coon_Bezier C2,
            Coon_Bezier D1,
            Coon_Bezier D2) {
    FX_BOOL bSmall = C1.Distance() < 2 && C2.Distance() < 2 &&
                     D1.Distance() < 2 && D2.Distance() < 2;
    Coon_Color div_colors[4];
    int d_bottom, d_left, d_top, d_right;
    div_colors[0].BiInterpol(patch_colors, left, bottom, x_scale, y_scale);
    if (!bSmall) {
      div_colors[1].BiInterpol(patch_colors, left, bottom + 1, x_scale,
                               y_scale);
      div_colors[2].BiInterpol(patch_colors, left + 1, bottom + 1, x_scale,
                               y_scale);
      div_colors[3].BiInterpol(patch_colors, left + 1, bottom, x_scale,
                               y_scale);
      d_bottom = div_colors[3].Distance(div_colors[0]);
      d_left = div_colors[1].Distance(div_colors[0]);
      d_top = div_colors[1].Distance(div_colors[2]);
      d_right = div_colors[2].Distance(div_colors[3]);
    }
#define COONCOLOR_THRESHOLD 4
    if (bSmall ||
        (d_bottom < COONCOLOR_THRESHOLD && d_left < COONCOLOR_THRESHOLD &&
         d_top < COONCOLOR_THRESHOLD && d_right < COONCOLOR_THRESHOLD)) {
      FX_PATHPOINT* pPoints = path.GetPoints();
      C1.GetPoints(pPoints);
      D2.GetPoints(pPoints + 3);
      C2.GetPointsReverse(pPoints + 6);
      D1.GetPointsReverse(pPoints + 9);
      int fillFlags = FXFILL_WINDING | FXFILL_FULLCOVER;
      if (fill_mode & RENDER_NOPATHSMOOTH) {
        fillFlags |= FXFILL_NOPATHSMOOTH;
      }
      pDevice->DrawPath(
          &path, NULL, NULL,
          FXARGB_MAKE(alpha, div_colors[0].comp[0], div_colors[0].comp[1],
                      div_colors[0].comp[2]),
          0, fillFlags);
    } else {
      if (d_bottom < COONCOLOR_THRESHOLD && d_top < COONCOLOR_THRESHOLD) {
        Coon_Bezier m1;
        m1.BezierInterpol(D1, D2, C1, C2);
        y_scale *= 2;
        bottom *= 2;
        Draw(x_scale, y_scale, left, bottom, C1, m1, D1.first_half(),
             D2.first_half());
        Draw(x_scale, y_scale, left, bottom + 1, m1, C2, D1.second_half(),
             D2.second_half());
      } else if (d_left < COONCOLOR_THRESHOLD &&
                 d_right < COONCOLOR_THRESHOLD) {
        Coon_Bezier m2;
        m2.BezierInterpol(C1, C2, D1, D2);
        x_scale *= 2;
        left *= 2;
        Draw(x_scale, y_scale, left, bottom, C1.first_half(), C2.first_half(),
             D1, m2);
        Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(),
             C2.second_half(), m2, D2);
      } else {
        Coon_Bezier m1, m2;
        m1.BezierInterpol(D1, D2, C1, C2);
        m2.BezierInterpol(C1, C2, D1, D2);
        Coon_Bezier m1f = m1.first_half();
        Coon_Bezier m1s = m1.second_half();
        Coon_Bezier m2f = m2.first_half();
        Coon_Bezier m2s = m2.second_half();
        x_scale *= 2;
        y_scale *= 2;
        left *= 2;
        bottom *= 2;
        Draw(x_scale, y_scale, left, bottom, C1.first_half(), m1f,
             D1.first_half(), m2f);
        Draw(x_scale, y_scale, left, bottom + 1, m1f, C2.first_half(),
             D1.second_half(), m2s);
        Draw(x_scale, y_scale, left + 1, bottom, C1.second_half(), m1s, m2f,
             D2.first_half());
        Draw(x_scale, y_scale, left + 1, bottom + 1, m1s, C2.second_half(), m2s,
             D2.second_half());
      }
    }
  }

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

  CFX_FloatRect rcClient = GetClientRect();
  CFX_ByteTextBuf sLine;

  int32_t nCharArray = m_pEdit->GetCharArray();
  FX_SAFE_INT32 nCharArraySafe = nCharArray;
  nCharArraySafe -= 1;
  nCharArraySafe *= 2;

  if (nCharArray > 0 && nCharArraySafe.IsValid()) {
    switch (GetBorderStyle()) {
      case BorderStyle::SOLID: {
        CFX_GraphStateData gsd;
        gsd.m_LineWidth = (FX_FLOAT)GetBorderWidth();

        CFX_PathData path;

        for (int32_t i = 0; i < nCharArray - 1; i++) {
          path.AppendPoint(
              CFX_PointF(
                  rcClient.left +
                      ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
                  rcClient.bottom),
              FXPT_TYPE::MoveTo, false);
          path.AppendPoint(
              CFX_PointF(
                  rcClient.left +
                      ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
                  rcClient.top),
              FXPT_TYPE::LineTo, false);
        }
        if (!path.GetPoints().empty()) {
          pDevice->DrawPath(&path, pUser2Device, &gsd, 0,
                            GetBorderColor().ToFXColor(255), FXFILL_ALTERNATE);
        }
        break;
      }
      case BorderStyle::DASH: {
        CFX_GraphStateData gsd;
        gsd.m_LineWidth = (FX_FLOAT)GetBorderWidth();

        gsd.SetDashCount(2);
        gsd.m_DashArray[0] = (FX_FLOAT)GetBorderDash().nDash;
        gsd.m_DashArray[1] = (FX_FLOAT)GetBorderDash().nGap;
        gsd.m_DashPhase = (FX_FLOAT)GetBorderDash().nPhase;

        CFX_PathData path;
        for (int32_t i = 0; i < nCharArray - 1; i++) {
          path.AppendPoint(
              CFX_PointF(
                  rcClient.left +
                      ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
                  rcClient.bottom),
              FXPT_TYPE::MoveTo, false);
          path.AppendPoint(
              CFX_PointF(
                  rcClient.left +
                      ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
                  rcClient.top),
              FXPT_TYPE::LineTo, false);
        }
        if (!path.GetPoints().empty()) {
          pDevice->DrawPath(&path, pUser2Device, &gsd, 0,
                            GetBorderColor().ToFXColor(255), FXFILL_ALTERNATE);
        }
        break;
      }
      default:
        break;
    }
  }

  CFX_FloatRect rcClip;
  CPVT_WordRange wrRange = m_pEdit->GetVisibleWordRange();
  CPVT_WordRange* pRange = nullptr;
  if (!HasFlag(PES_TEXTOVERFLOW)) {
    rcClip = GetClientRect();
    pRange = &wrRange;
  }

  CFX_SystemHandler* pSysHandler = GetSystemHandler();
  CFX_Edit::DrawEdit(pDevice, pUser2Device, m_pEdit.get(),
                     GetTextColor().ToFXColor(GetTransparency()), rcClip,
                     CFX_PointF(), pRange, pSysHandler, m_pFormFiller);
}