Move xfa/src up to xfa/.

xfa/src/fde/fde_geobject.cpp

-// 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/src/fde/fde_geobject.h"
-
-#include "xfa/src/fde/fde_object.h"
-
-IFDE_Path* IFDE_Path::Create() {
-  return new CFDE_Path;
-}
-FX_BOOL CFDE_Path::StartFigure() {
-  return CloseFigure();
-}
-FX_BOOL CFDE_Path::CloseFigure() {
-  FX_PATHPOINT* pPoint = GetLastPoint();
-  if (pPoint) {
-    pPoint->m_Flag |= FXPT_CLOSEFIGURE;
-  }
-  return TRUE;
-}
-FX_PATHPOINT* CFDE_Path::GetLastPoint(int32_t iCount) const {
-  if (iCount < 1) {
-    return NULL;
-  }
-  int32_t iPoints = m_Path.GetPointCount();
-  if (iCount > iPoints) {
-    return NULL;
-  }
-  return m_Path.GetPoints() + iPoints - iCount;
-}
-FX_BOOL CFDE_Path::FigureClosed() const {
-  FX_PATHPOINT* pPoint = GetLastPoint();
-  return pPoint ? (pPoint->m_Flag & FXPT_CLOSEFIGURE) : TRUE;
-}
-FX_PATHPOINT* CFDE_Path::AddPoints(int32_t iCount) {
-  if (iCount < 1) {
-    return NULL;
-  }
-  int32_t iPoints = m_Path.GetPointCount();
-  m_Path.AddPointCount(iCount);
-  return m_Path.GetPoints() + iPoints;
-}
-void CFDE_Path::MoveTo(FX_FLOAT fx, FX_FLOAT fy) {
-  FX_PATHPOINT* pPoint = AddPoints(1);
-  pPoint->m_PointX = fx;
-  pPoint->m_PointY = fy;
-  pPoint->m_Flag = FXPT_MOVETO;
-}
-void CFDE_Path::LineTo(FX_FLOAT fx, FX_FLOAT fy) {
-  FX_PATHPOINT* pPoint = AddPoints(1);
-  pPoint->m_PointX = fx;
-  pPoint->m_PointY = fy;
-  pPoint->m_Flag = FXPT_LINETO;
-}
-void CFDE_Path::BezierTo(const CFX_PointF& p1,
-                         const CFX_PointF& p2,
-                         const CFX_PointF& p3) {
-  FX_PATHPOINT* p = AddPoints(3);
-  p[0].m_PointX = p1.x;
-  p[0].m_PointY = p1.y;
-  p[0].m_Flag = FXPT_BEZIERTO;
-  p[1].m_PointX = p2.x;
-  p[1].m_PointY = p2.y;
-  p[1].m_Flag = FXPT_BEZIERTO;
-  p[2].m_PointX = p3.x;
-  p[2].m_PointY = p3.y;
-  p[2].m_Flag = FXPT_BEZIERTO;
-}
-void CFDE_Path::ArcTo(FX_BOOL bStart,
-                      const CFX_RectF& rect,
-                      FX_FLOAT startAngle,
-                      FX_FLOAT endAngle) {
-  FX_FLOAT rx = rect.width / 2;
-  FX_FLOAT ry = rect.height / 2;
-  FX_FLOAT cx = rect.left + rx;
-  FX_FLOAT cy = rect.top + ry;
-  FX_FLOAT alpha =
-      FXSYS_atan2(rx * FXSYS_sin(startAngle), ry * FXSYS_cos(startAngle));
-  FX_FLOAT beta =
-      FXSYS_atan2(rx * FXSYS_sin(endAngle), ry * FXSYS_cos(endAngle));
-  if (FXSYS_fabs(beta - alpha) > FX_PI) {
-    if (beta > alpha) {
-      beta -= 2 * FX_PI;
-    } else {
-      alpha -= 2 * FX_PI;
-    }
-  }
-  FX_FLOAT half_delta = (beta - alpha) / 2;
-  FX_FLOAT bcp = 4.0f / 3 * (1 - FXSYS_cos(half_delta)) / FXSYS_sin(half_delta);
-  FX_FLOAT sin_alpha = FXSYS_sin(alpha);
-  FX_FLOAT sin_beta = FXSYS_sin(beta);
-  FX_FLOAT cos_alpha = FXSYS_cos(alpha);
-  FX_FLOAT cos_beta = FXSYS_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 CFX_PointsF& points) {
-  if (points.GetSize() != 4) {
-    return;
-  }
-  const CFX_PointF* p = points.GetData();
-  MoveTo(p[0]);
-  BezierTo(p[1], p[2], p[3]);
-}
-void CFDE_Path::AddBeziers(const CFX_PointsF& points) {
-  int32_t iCount = points.GetSize();
-  if (iCount < 4) {
-    return;
-  }
-  const CFX_PointF* p = points.GetData();
-  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 CFX_PointsF& points,
-                                 CFX_PointsF& tangents,
-                                 FX_BOOL bClosed,
-                                 FX_FLOAT fTension) const {
-  int32_t iCount = points.GetSize();
-  tangents.SetSize(iCount);
-  if (iCount < 3) {
-    return;
-  }
-  FX_FLOAT fCoefficient = fTension / 3.0f;
-  const CFX_PointF* pPoints = points.GetData();
-  CFX_PointF* pTangents = tangents.GetData();
-  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 CFX_PointsF& points,
-                         FX_BOOL bClosed,
-                         FX_FLOAT fTension) {
-  int32_t iLast = points.GetUpperBound();
-  if (iLast < 1) {
-    return;
-  }
-  CFX_PointsF tangents;
-  GetCurveTangents(points, tangents, bClosed, fTension);
-  const CFX_PointF* pPoints = points.GetData();
-  CFX_PointF* pTangents = tangents.GetData();
-  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) {
-  FX_FLOAT fStartAngle = 0;
-  FX_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) {
-  FX_PATHPOINT* pLast = GetLastPoint();
-  if (pLast == NULL || FXSYS_fabs(pLast->m_PointX - pt1.x) > 0.001 ||
-      FXSYS_fabs(pLast->m_PointY - pt1.y) > 0.001) {
-    MoveTo(pt1);
-  }
-  LineTo(pt2);
-}
-void CFDE_Path::AddPath(const IFDE_Path* pSrc, FX_BOOL bConnect) {
-  CFDE_Path* pPath = (CFDE_Path*)pSrc;
-  if (pPath == NULL) {
-    return;
-  }
-  int32_t iCount = pPath->m_Path.GetPointCount();
-  if (iCount < 1) {
-    return;
-  }
-  if (bConnect) {
-    LineTo(pPath->m_Path.GetPointX(0), pPath->m_Path.GetPointY(0));
-  }
-  m_Path.Append(&pPath->m_Path, NULL);
-}
-void CFDE_Path::AddPolygon(const CFX_PointsF& points) {
-  int32_t iCount = points.GetSize();
-  if (iCount < 2) {
-    return;
-  }
-  AddLines(points);
-  const CFX_PointF* p = points.GetData();
-  if (FXSYS_fabs(p[0].x - p[iCount - 1].x) < 0.01f ||
-      FXSYS_fabs(p[0].y - p[iCount - 1].y) < 0.01f) {
-    LineTo(p[0]);
-  }
-  CloseFigure();
-}
-void CFDE_Path::AddLines(const CFX_PointsF& points) {
-  int32_t iCount = points.GetSize();
-  if (iCount < 2) {
-    return;
-  }
-  const CFX_PointF* p = points.GetData();
-  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();
-}
-void CFDE_Path::GetBBox(CFX_RectF& bbox) const {
-  CFX_FloatRect rect = m_Path.GetBoundingBox();
-  bbox.Set(rect.left, rect.top, rect.Width(), rect.Height());
-  bbox.Normalize();
-}
-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();
-}