1 files changed, 0 insertions, 487 deletions

diff --git a/core/fxge/ge/cfx_pathdata.cpp b/core/fxge/ge/cfx_pathdata.cpp
deleted file mode 100644
index fe3c6778d5..0000000000
--- a/core/fxge/ge/cfx_pathdata.cpp
+++ /dev/null
@@ -1,487 +0,0 @@
-// Copyright 2016 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 "core/fxge/cfx_pathdata.h"
-
-#include "core/fxcrt/fx_system.h"
-#include "third_party/base/numerics/safe_math.h"
-
-namespace {
-
-void UpdateLineEndPoints(CFX_FloatRect* rect,
-                         const CFX_PointF& start_pos,
-                         const CFX_PointF& end_pos,
-                         float hw) {
-  if (start_pos.x == end_pos.x) {
-    if (start_pos.y == end_pos.y) {
-      rect->UpdateRect(end_pos.x + hw, end_pos.y + hw);
-      rect->UpdateRect(end_pos.x - hw, end_pos.y - hw);
-      return;
-    }
-
-    float point_y;
-    if (end_pos.y < start_pos.y)
-      point_y = end_pos.y - hw;
-    else
-      point_y = end_pos.y + hw;
-
-    rect->UpdateRect(end_pos.x + hw, point_y);
-    rect->UpdateRect(end_pos.x - hw, point_y);
-    return;
-  }
-
-  if (start_pos.y == end_pos.y) {
-    float point_x;
-    if (end_pos.x < start_pos.x)
-      point_x = end_pos.x - hw;
-    else
-      point_x = end_pos.x + hw;
-
-    rect->UpdateRect(point_x, end_pos.y + hw);
-    rect->UpdateRect(point_x, end_pos.y - hw);
-    return;
-  }
-
-  CFX_PointF diff = end_pos - start_pos;
-  float ll = FXSYS_sqrt2(diff.x, diff.y);
-  float mx = end_pos.x + hw * diff.x / ll;
-  float my = end_pos.y + hw * diff.y / ll;
-  float dx1 = hw * diff.y / ll;
-  float dy1 = hw * diff.x / ll;
-  rect->UpdateRect(mx - dx1, my + dy1);
-  rect->UpdateRect(mx + dx1, my - dy1);
-}
-
-void UpdateLineJoinPoints(CFX_FloatRect* rect,
-                          const CFX_PointF& start_pos,
-                          const CFX_PointF& mid_pos,
-                          const CFX_PointF& end_pos,
-                          float half_width,
-                          float miter_limit) {
-  float start_k = 0;
-  float start_c = 0;
-  float end_k = 0;
-  float end_c = 0;
-  float start_len = 0;
-  float start_dc = 0;
-  float end_len = 0;
-  float end_dc = 0;
-  float one_twentieth = 1.0f / 20;
-
-  bool bStartVert = fabs(start_pos.x - mid_pos.x) < one_twentieth;
-  bool bEndVert = fabs(mid_pos.x - end_pos.x) < one_twentieth;
-  if (bStartVert && bEndVert) {
-    int start_dir = mid_pos.y > start_pos.y ? 1 : -1;
-    float point_y = mid_pos.y + half_width * start_dir;
-    rect->UpdateRect(mid_pos.x + half_width, point_y);
-    rect->UpdateRect(mid_pos.x - half_width, point_y);
-    return;
-  }
-
-  if (!bStartVert) {
-    CFX_PointF start_to_mid = start_pos - mid_pos;
-    start_k = (mid_pos.y - start_pos.y) / (mid_pos.x - start_pos.x);
-    start_c = mid_pos.y - (start_k * mid_pos.x);
-    start_len = FXSYS_sqrt2(start_to_mid.x, start_to_mid.y);
-    start_dc =
-        static_cast<float>(fabs(half_width * start_len / start_to_mid.x));
-  }
-  if (!bEndVert) {
-    CFX_PointF end_to_mid = end_pos - mid_pos;
-    end_k = end_to_mid.y / end_to_mid.x;
-    end_c = mid_pos.y - (end_k * mid_pos.x);
-    end_len = FXSYS_sqrt2(end_to_mid.x, end_to_mid.y);
-    end_dc = static_cast<float>(fabs(half_width * end_len / end_to_mid.x));
-  }
-  if (bStartVert) {
-    CFX_PointF outside(start_pos.x, 0);
-    if (end_pos.x < start_pos.x)
-      outside.x += half_width;
-    else
-      outside.x -= half_width;
-
-    if (start_pos.y < (end_k * start_pos.x) + end_c)
-      outside.y = (end_k * outside.x) + end_c + end_dc;
-    else
-      outside.y = (end_k * outside.x) + end_c - end_dc;
-
-    rect->UpdateRect(outside.x, outside.y);
-    return;
-  }
-
-  if (bEndVert) {
-    CFX_PointF outside(end_pos.x, 0);
-    if (start_pos.x < end_pos.x)
-      outside.x += half_width;
-    else
-      outside.x -= half_width;
-
-    if (end_pos.y < (start_k * end_pos.x) + start_c)
-      outside.y = (start_k * outside.x) + start_c + start_dc;
-    else
-      outside.y = (start_k * outside.x) + start_c - start_dc;
-
-    rect->UpdateRect(outside.x, outside.y);
-    return;
-  }
-
-  if (fabs(start_k - end_k) < one_twentieth) {
-    int start_dir = mid_pos.x > start_pos.x ? 1 : -1;
-    int end_dir = end_pos.x > mid_pos.x ? 1 : -1;
-    if (start_dir == end_dir)
-      UpdateLineEndPoints(rect, mid_pos, end_pos, half_width);
-    else
-      UpdateLineEndPoints(rect, start_pos, mid_pos, half_width);
-    return;
-  }
-
-  float start_outside_c = start_c;
-  if (end_pos.y < (start_k * end_pos.x) + start_c)
-    start_outside_c += start_dc;
-  else
-    start_outside_c -= start_dc;
-
-  float end_outside_c = end_c;
-  if (start_pos.y < (end_k * start_pos.x) + end_c)
-    end_outside_c += end_dc;
-  else
-    end_outside_c -= end_dc;
-
-  float join_x = (end_outside_c - start_outside_c) / (start_k - end_k);
-  float join_y = start_k * join_x + start_outside_c;
-  rect->UpdateRect(join_x, join_y);
-}
-
-}  // namespace
-
-FX_PATHPOINT::FX_PATHPOINT() = default;
-
-FX_PATHPOINT::FX_PATHPOINT(const CFX_PointF& point, FXPT_TYPE type, bool close)
-    : m_Point(point), m_Type(type), m_CloseFigure(close) {}
-
-FX_PATHPOINT::FX_PATHPOINT(const FX_PATHPOINT& other) = default;
-
-FX_PATHPOINT::~FX_PATHPOINT() = default;
-
-CFX_PathData::CFX_PathData() {}
-
-CFX_PathData::~CFX_PathData() {}
-
-CFX_PathData::CFX_PathData(const CFX_PathData& src) : m_Points(src.m_Points) {}
-
-void CFX_PathData::Clear() {
-  m_Points.clear();
-}
-
-void CFX_PathData::ClosePath() {
-  if (m_Points.empty())
-    return;
-  m_Points.back().m_CloseFigure = true;
-}
-
-void CFX_PathData::Append(const CFX_PathData* pSrc, const CFX_Matrix* pMatrix) {
-  if (pSrc->m_Points.empty())
-    return;
-
-  size_t cur_size = m_Points.size();
-  m_Points.insert(m_Points.end(), pSrc->m_Points.begin(), pSrc->m_Points.end());
-
-  if (!pMatrix)
-    return;
-
-  for (size_t i = cur_size; i < m_Points.size(); i++)
-    m_Points[i].m_Point = pMatrix->Transform(m_Points[i].m_Point);
-}
-
-void CFX_PathData::AppendPoint(const CFX_PointF& point,
-                               FXPT_TYPE type,
-                               bool closeFigure) {
-  m_Points.push_back(FX_PATHPOINT(point, type, closeFigure));
-}
-
-void CFX_PathData::AppendRect(float left,
-                              float bottom,
-                              float right,
-                              float top) {
-  m_Points.push_back(
-      FX_PATHPOINT(CFX_PointF(left, bottom), FXPT_TYPE::MoveTo, false));
-  m_Points.push_back(
-      FX_PATHPOINT(CFX_PointF(left, top), FXPT_TYPE::LineTo, false));
-  m_Points.push_back(
-      FX_PATHPOINT(CFX_PointF(right, top), FXPT_TYPE::LineTo, false));
-  m_Points.push_back(
-      FX_PATHPOINT(CFX_PointF(right, bottom), FXPT_TYPE::LineTo, false));
-  m_Points.push_back(
-      FX_PATHPOINT(CFX_PointF(left, bottom), FXPT_TYPE::LineTo, true));
-}
-
-CFX_FloatRect CFX_PathData::GetBoundingBox() const {
-  if (m_Points.empty())
-    return CFX_FloatRect();
-
-  CFX_FloatRect rect;
-  rect.InitRect(m_Points[0].m_Point.x, m_Points[0].m_Point.y);
-  for (size_t i = 1; i < m_Points.size(); i++)
-    rect.UpdateRect(m_Points[i].m_Point.x, m_Points[i].m_Point.y);
-  return rect;
-}
-
-CFX_FloatRect CFX_PathData::GetBoundingBox(float line_width,
-                                           float miter_limit) const {
-  CFX_FloatRect rect(100000.0f, 100000.0f, -100000.0f, -100000.0f);
-  size_t iPoint = 0;
-  float half_width = line_width;
-  int iStartPoint = 0;
-  int iEndPoint = 0;
-  int iMiddlePoint = 0;
-  bool bJoin;
-  while (iPoint < m_Points.size()) {
-    if (m_Points[iPoint].IsTypeAndOpen(FXPT_TYPE::MoveTo)) {
-      if (iPoint + 1 == m_Points.size())
-        break;
-
-      iStartPoint = iPoint + 1;
-      iEndPoint = iPoint;
-      bJoin = false;
-    } else {
-      if (m_Points[iPoint].IsTypeAndOpen(FXPT_TYPE::BezierTo)) {
-        rect.UpdateRect(m_Points[iPoint].m_Point.x, m_Points[iPoint].m_Point.y);
-        rect.UpdateRect(m_Points[iPoint + 1].m_Point.x,
-                        m_Points[iPoint + 1].m_Point.y);
-        iPoint += 2;
-      }
-      if (iPoint == m_Points.size() - 1 ||
-          m_Points[iPoint + 1].IsTypeAndOpen(FXPT_TYPE::MoveTo)) {
-        iStartPoint = iPoint - 1;
-        iEndPoint = iPoint;
-        bJoin = false;
-      } else {
-        iStartPoint = iPoint - 1;
-        iMiddlePoint = iPoint;
-        iEndPoint = iPoint + 1;
-        bJoin = true;
-      }
-    }
-
-    CFX_PointF start_pos = m_Points[iStartPoint].m_Point;
-    CFX_PointF end_pos = m_Points[iEndPoint].m_Point;
-    if (bJoin) {
-      CFX_PointF mid_pos = m_Points[iMiddlePoint].m_Point;
-      UpdateLineJoinPoints(&rect, start_pos, mid_pos, end_pos, half_width,
-                           miter_limit);
-    } else {
-      UpdateLineEndPoints(&rect, start_pos, end_pos, half_width);
-    }
-    iPoint++;
-  }
-  return rect;
-}
-
-void CFX_PathData::Transform(const CFX_Matrix* pMatrix) {
-  if (!pMatrix)
-    return;
-  for (auto& point : m_Points)
-    point.m_Point = pMatrix->Transform(point.m_Point);
-}
-
-bool CFX_PathData::GetZeroAreaPath(const CFX_Matrix* pMatrix,
-                                   bool bAdjust,
-                                   CFX_PathData* NewPath,
-                                   bool* bThin,
-                                   bool* setIdentity) const {
-  *setIdentity = false;
-  if (m_Points.size() < 3)
-    return false;
-
-  if (m_Points.size() == 3 && m_Points[0].m_Type == FXPT_TYPE::MoveTo &&
-      m_Points[1].m_Type == FXPT_TYPE::LineTo &&
-      m_Points[2].m_Type == FXPT_TYPE::LineTo &&
-      m_Points[0].m_Point == m_Points[2].m_Point) {
-    for (size_t i = 0; i < 2; i++) {
-      CFX_PointF point = m_Points[i].m_Point;
-      if (bAdjust) {
-        if (pMatrix)
-          point = pMatrix->Transform(point);
-
-        point = CFX_PointF(static_cast<int>(point.x) + 0.5f,
-                           static_cast<int>(point.y) + 0.5f);
-      }
-      NewPath->AppendPoint(
-          point, i == 0 ? FXPT_TYPE::MoveTo : FXPT_TYPE::LineTo, false);
-    }
-    if (bAdjust && pMatrix)
-      *setIdentity = true;
-
-    // Note, they both have to be not equal.
-    if (m_Points[0].m_Point.x != m_Points[1].m_Point.x &&
-        m_Points[0].m_Point.y != m_Points[1].m_Point.y) {
-      *bThin = true;
-    }
-    return true;
-  }
-
-  if (((m_Points.size() > 3) && (m_Points.size() % 2))) {
-    int mid = m_Points.size() / 2;
-    bool bZeroArea = false;
-    CFX_PathData t_path;
-    for (int i = 0; i < mid; i++) {
-      if (!(m_Points[mid - i - 1].m_Point == m_Points[mid + i + 1].m_Point &&
-            m_Points[mid - i - 1].m_Type != FXPT_TYPE::BezierTo &&
-            m_Points[mid + i + 1].m_Type != FXPT_TYPE::BezierTo)) {
-        bZeroArea = true;
-        break;
-      }
-
-      t_path.AppendPoint(m_Points[mid - i].m_Point, FXPT_TYPE::MoveTo, false);
-      t_path.AppendPoint(m_Points[mid - i - 1].m_Point, FXPT_TYPE::LineTo,
-                         false);
-    }
-    if (!bZeroArea) {
-      NewPath->Append(&t_path, nullptr);
-      *bThin = true;
-      return true;
-    }
-  }
-
-  int startPoint = 0;
-  int next = 0;
-  for (size_t i = 0; i < m_Points.size(); i++) {
-    FXPT_TYPE point_type = m_Points[i].m_Type;
-    if (point_type == FXPT_TYPE::MoveTo) {
-      startPoint = i;
-    } else if (point_type == FXPT_TYPE::LineTo) {
-      next = (i + 1 - startPoint) % (m_Points.size() - startPoint) + startPoint;
-      if (m_Points[next].m_Type != FXPT_TYPE::BezierTo &&
-          m_Points[next].m_Type != FXPT_TYPE::MoveTo) {
-        if ((m_Points[i - 1].m_Point.x == m_Points[i].m_Point.x &&
-             m_Points[i].m_Point.x == m_Points[next].m_Point.x) &&
-            ((m_Points[i].m_Point.y - m_Points[i - 1].m_Point.y) *
-                 (m_Points[i].m_Point.y - m_Points[next].m_Point.y) >
-             0)) {
-          int pre = i;
-          if (fabs(m_Points[i].m_Point.y - m_Points[i - 1].m_Point.y) <
-              fabs(m_Points[i].m_Point.y - m_Points[next].m_Point.y)) {
-            pre--;
-            next--;
-          }
-
-          NewPath->AppendPoint(m_Points[pre].m_Point, FXPT_TYPE::MoveTo, false);
-          NewPath->AppendPoint(m_Points[next].m_Point, FXPT_TYPE::LineTo,
-                               false);
-        } else if ((m_Points[i - 1].m_Point.y == m_Points[i].m_Point.y &&
-                    m_Points[i].m_Point.y == m_Points[next].m_Point.y) &&
-                   ((m_Points[i].m_Point.x - m_Points[i - 1].m_Point.x) *
-                        (m_Points[i].m_Point.x - m_Points[next].m_Point.x) >
-                    0)) {
-          int pre = i;
-          if (fabs(m_Points[i].m_Point.x - m_Points[i - 1].m_Point.x) <
-              fabs(m_Points[i].m_Point.x - m_Points[next].m_Point.x)) {
-            pre--;
-            next--;
-          }
-
-          NewPath->AppendPoint(m_Points[pre].m_Point, FXPT_TYPE::MoveTo, false);
-          NewPath->AppendPoint(m_Points[next].m_Point, FXPT_TYPE::LineTo,
-                               false);
-        } else if (m_Points[i - 1].m_Type == FXPT_TYPE::MoveTo &&
-                   m_Points[next].m_Type == FXPT_TYPE::LineTo &&
-                   m_Points[i - 1].m_Point == m_Points[next].m_Point &&
-                   m_Points[next].m_CloseFigure) {
-          NewPath->AppendPoint(m_Points[i - 1].m_Point, FXPT_TYPE::MoveTo,
-                               false);
-          NewPath->AppendPoint(m_Points[i].m_Point, FXPT_TYPE::LineTo, false);
-          *bThin = true;
-        }
-      }
-    } else if (point_type == FXPT_TYPE::BezierTo) {
-      i += 2;
-      continue;
-    }
-  }
-
-  size_t new_path_size = NewPath->GetPoints().size();
-  if (m_Points.size() > 3 && new_path_size > 0)
-    *bThin = true;
-  return new_path_size != 0;
-}
-
-bool CFX_PathData::IsRect() const {
-  if (m_Points.size() != 5 && m_Points.size() != 4)
-    return false;
-
-  if ((m_Points.size() == 5 && m_Points[0].m_Point != m_Points[4].m_Point) ||
-      m_Points[0].m_Point == m_Points[2].m_Point ||
-      m_Points[1].m_Point == m_Points[3].m_Point) {
-    return false;
-  }
-  // Note, both x,y have to not equal.
-  if (m_Points[0].m_Point.x != m_Points[3].m_Point.x &&
-      m_Points[0].m_Point.y != m_Points[3].m_Point.y) {
-    return false;
-  }
-
-  for (int i = 1; i < 4; i++) {
-    if (m_Points[i].m_Type != FXPT_TYPE::LineTo)
-      return false;
-    // Note, both x,y have to not equal.
-    if (m_Points[i].m_Point.x != m_Points[i - 1].m_Point.x &&
-        m_Points[i].m_Point.y != m_Points[i - 1].m_Point.y) {
-      return false;
-    }
-  }
-  return m_Points.size() == 5 || m_Points[3].m_CloseFigure;
-}
-
-bool CFX_PathData::IsRect(const CFX_Matrix* pMatrix,
-                          CFX_FloatRect* pRect) const {
-  if (!pMatrix) {
-    if (!IsRect())
-      return false;
-
-    if (pRect) {
-      pRect->left = m_Points[0].m_Point.x;
-      pRect->right = m_Points[2].m_Point.x;
-      pRect->bottom = m_Points[0].m_Point.y;
-      pRect->top = m_Points[2].m_Point.y;
-      pRect->Normalize();
-    }
-    return true;
-  }
-
-  if (m_Points.size() != 5 && m_Points.size() != 4)
-    return false;
-
-  if ((m_Points.size() == 5 && m_Points[0].m_Point != m_Points[4].m_Point) ||
-      m_Points[1].m_Point == m_Points[3].m_Point) {
-    return false;
-  }
-  // Note, both x,y not equal.
-  if (m_Points.size() == 4 && m_Points[0].m_Point.x != m_Points[3].m_Point.x &&
-      m_Points[0].m_Point.y != m_Points[3].m_Point.y) {
-    return false;
-  }
-
-  CFX_PointF points[5];
-  for (size_t i = 0; i < m_Points.size(); i++) {
-    points[i] = pMatrix->Transform(m_Points[i].m_Point);
-
-    if (i == 0)
-      continue;
-    if (m_Points[i].m_Type != FXPT_TYPE::LineTo)
-      return false;
-    if (points[i].x != points[i - 1].x && points[i].y != points[i - 1].y)
-      return false;
-  }
-
-  if (pRect) {
-    pRect->left = points[0].x;
-    pRect->right = points[2].x;
-    pRect->bottom = points[0].y;
-    pRect->top = points[2].y;
-    pRect->Normalize();
-  }
-  return true;
-}