Remove CFDE_Path

This CL removes CFDE_Path. There is only one method, AddLine which is
required, the rest can be removed. That method is moved to CFX_PathData
which is what CFDE_Path is appending to anyway.

Change-Id: If50af8cf856a9f7379791fe1999174db5fd13e38
Reviewed-on: https://pdfium-review.googlesource.com/10454
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 0 insertions, 221 deletions

diff --git a/xfa/fde/cfde_path.cpp b/xfa/fde/cfde_path.cpp
deleted file mode 100644
index a7d2e47ac1..0000000000
--- a/xfa/fde/cfde_path.cpp
+++ /dev/null
@@ -1,221 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/fde/cfde_path.h"
-
-#include "third_party/base/stl_util.h"
-
-void CFDE_Path::CloseFigure() {
-  m_Path.ClosePath();
-}
-
-bool CFDE_Path::FigureClosed() const {
-  const std::vector<FX_PATHPOINT>& points = m_Path.GetPoints();
-  return points.empty() ? true : points.back().m_CloseFigure;
-}
-
-void CFDE_Path::MoveTo(const CFX_PointF& point) {
-  m_Path.AppendPoint(point, FXPT_TYPE::MoveTo, false);
-}
-
-void CFDE_Path::LineTo(const CFX_PointF& point) {
-  m_Path.AppendPoint(point, FXPT_TYPE::LineTo, false);
-}
-
-void CFDE_Path::BezierTo(const CFX_PointF& p1,
-                         const CFX_PointF& p2,
-                         const CFX_PointF& p3) {
-  m_Path.AppendPoint(p1, FXPT_TYPE::BezierTo, false);
-  m_Path.AppendPoint(p2, FXPT_TYPE::BezierTo, false);
-  m_Path.AppendPoint(p3, FXPT_TYPE::BezierTo, false);
-}
-
-void CFDE_Path::ArcTo(bool bStart,
-                      const CFX_RectF& rect,
-                      float startAngle,
-                      float endAngle) {
-  float rx = rect.width / 2;
-  float ry = rect.height / 2;
-  float cx = rect.left + rx;
-  float cy = rect.top + ry;
-  float alpha = atan2(rx * sin(startAngle), ry * cos(startAngle));
-  float beta = atan2(rx * sin(endAngle), ry * cos(endAngle));
-  if (fabs(beta - alpha) > FX_PI) {
-    if (beta > alpha)
-      beta -= 2 * FX_PI;
-    else
-      alpha -= 2 * FX_PI;
-  }
-
-  float half_delta = (beta - alpha) / 2;
-  float bcp = 4.0f / 3 * (1 - cos(half_delta)) / sin(half_delta);
-  float sin_alpha = sin(alpha);
-  float sin_beta = sin(beta);
-  float cos_alpha = cos(alpha);
-  float cos_beta = cos(beta);
-  if (bStart)
-    MoveTo(CFX_PointF(cx + rx * cos_alpha, cy + ry * sin_alpha));
-
-  BezierTo(CFX_PointF(cx + rx * (cos_alpha - bcp * sin_alpha),
-                      cy + ry * (sin_alpha + bcp * cos_alpha)),
-           CFX_PointF(cx + rx * (cos_beta + bcp * sin_beta),
-                      cy + ry * (sin_beta - bcp * cos_beta)),
-           CFX_PointF(cx + rx * cos_beta, cy + ry * sin_beta));
-}
-
-void CFDE_Path::AddBezier(const std::vector<CFX_PointF>& points) {
-  if (points.size() != 4)
-    return;
-
-  MoveTo(points[0]);
-  BezierTo(points[1], points[2], points[3]);
-}
-
-void CFDE_Path::AddBeziers(const std::vector<CFX_PointF>& points) {
-  int32_t iCount = points.size();
-  if (iCount < 4)
-    return;
-
-  const CFX_PointF* p = points.data();
-  const CFX_PointF* pEnd = p + iCount;
-  MoveTo(p[0]);
-  for (++p; p <= pEnd - 3; p += 3)
-    BezierTo(p[0], p[1], p[2]);
-}
-
-void CFDE_Path::GetCurveTangents(const std::vector<CFX_PointF>& points,
-                                 std::vector<CFX_PointF>* tangents,
-                                 bool bClosed,
-                                 float fTension) const {
-  int32_t iCount = pdfium::CollectionSize<int32_t>(points);
-  tangents->resize(iCount);
-  if (iCount < 3)
-    return;
-
-  float fCoefficient = fTension / 3.0f;
-  const CFX_PointF* pPoints = points.data();
-  CFX_PointF* pTangents = tangents->data();
-  for (int32_t i = 0; i < iCount; ++i) {
-    int32_t r = i + 1;
-    int32_t s = i - 1;
-    if (r >= iCount)
-      r = bClosed ? (r - iCount) : (iCount - 1);
-    if (s < 0)
-      s = bClosed ? (s + iCount) : 0;
-
-    pTangents[i].x += (fCoefficient * (pPoints[r].x - pPoints[s].x));
-    pTangents[i].y += (fCoefficient * (pPoints[r].y - pPoints[s].y));
-  }
-}
-
-void CFDE_Path::AddCurve(const std::vector<CFX_PointF>& points,
-                         bool bClosed,
-                         float fTension) {
-  int32_t iLast = pdfium::CollectionSize<int32_t>(points) - 1;
-  if (iLast < 1)
-    return;
-
-  std::vector<CFX_PointF> tangents;
-  GetCurveTangents(points, &tangents, bClosed, fTension);
-  const CFX_PointF* pPoints = points.data();
-  CFX_PointF* pTangents = tangents.data();
-  MoveTo(pPoints[0]);
-  for (int32_t i = 0; i < iLast; ++i) {
-    BezierTo(CFX_PointF(pPoints[i].x + pTangents[i].x,
-                        pPoints[i].y + pTangents[i].y),
-             CFX_PointF(pPoints[i + 1].x - pTangents[i + 1].x,
-                        pPoints[i + 1].y - pTangents[i + 1].y),
-             CFX_PointF(pPoints[i + 1].x, pPoints[i + 1].y));
-  }
-  if (bClosed) {
-    BezierTo(CFX_PointF(pPoints[iLast].x + pTangents[iLast].x,
-                        pPoints[iLast].y + pTangents[iLast].y),
-             CFX_PointF(pPoints[0].x - pTangents[0].x,
-                        pPoints[0].y - pTangents[0].y),
-             CFX_PointF(pPoints[0].x, pPoints[0].y));
-    CloseFigure();
-  }
-}
-
-void CFDE_Path::AddEllipse(const CFX_RectF& rect) {
-  float fStartAngle = 0;
-  float fEndAngle = FX_PI / 2;
-  for (int32_t i = 0; i < 4; ++i) {
-    ArcTo(i == 0, rect, fStartAngle, fEndAngle);
-    fStartAngle += FX_PI / 2;
-    fEndAngle += FX_PI / 2;
-  }
-  CloseFigure();
-}
-
-void CFDE_Path::AddLine(const CFX_PointF& pt1, const CFX_PointF& pt2) {
-  std::vector<FX_PATHPOINT>& points = m_Path.GetPoints();
-  if (points.empty() || fabs(points.back().m_Point.x - pt1.x) > 0.001 ||
-      fabs(points.back().m_Point.y - pt1.y) > 0.001) {
-    MoveTo(pt1);
-  }
-  LineTo(pt2);
-}
-
-void CFDE_Path::AddPath(const CFDE_Path* pSrc, bool bConnect) {
-  if (!pSrc)
-    return;
-
-  if (pSrc->m_Path.GetPoints().empty())
-    return;
-  if (bConnect)
-    LineTo(pSrc->m_Path.GetPoint(0));
-
-  m_Path.Append(&pSrc->m_Path, nullptr);
-}
-
-void CFDE_Path::AddPolygon(const std::vector<CFX_PointF>& points) {
-  size_t iCount = points.size();
-  if (iCount < 2)
-    return;
-
-  AddLines(points);
-  const CFX_PointF* p = points.data();
-  if (fabs(p[0].x - p[iCount - 1].x) < 0.01f ||
-      fabs(p[0].y - p[iCount - 1].y) < 0.01f) {
-    LineTo(p[0]);
-  }
-  CloseFigure();
-}
-
-void CFDE_Path::AddLines(const std::vector<CFX_PointF>& points) {
-  size_t iCount = points.size();
-  if (iCount < 2)
-    return;
-
-  const CFX_PointF* p = points.data();
-  const CFX_PointF* pEnd = p + iCount;
-  MoveTo(p[0]);
-  for (++p; p < pEnd; ++p)
-    LineTo(*p);
-}
-
-void CFDE_Path::AddRectangle(const CFX_RectF& rect) {
-  MoveTo(rect.TopLeft());
-  LineTo(rect.TopRight());
-  LineTo(rect.BottomRight());
-  LineTo(rect.BottomLeft());
-  CloseFigure();
-}
-
-CFX_RectF CFDE_Path::GetBBox() const {
-  CFX_FloatRect rect = m_Path.GetBoundingBox();
-  CFX_RectF bbox = CFX_RectF(rect.left, rect.top, rect.Width(), rect.Height());
-  bbox.Normalize();
-  return bbox;
-}
-
-CFX_RectF CFDE_Path::GetBBox(float fLineWidth, float fMiterLimit) const {
-  CFX_FloatRect rect = m_Path.GetBoundingBox(fLineWidth, fMiterLimit);
-  CFX_RectF bbox = CFX_RectF(rect.left, rect.top, rect.Width(), rect.Height());
-  bbox.Normalize();
-  return bbox;
-}