Refactor fx_ge part 2

core/fxge/ge/cfx_pathdata.cpp

-// Copyright 2014 PDFium Authors. All rights reserved.
+// 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/include/cfx_pathdata.h"
+
 #include "core/fxcrt/include/fx_system.h"
 #include "core/fxge/include/fx_ge.h"
 #include "third_party/base/numerics/safe_math.h"
 
-CFX_ClipRgn::CFX_ClipRgn(int width, int height)
-    : m_Type(RectI), m_Box(0, 0, width, height) {}
-
-CFX_ClipRgn::CFX_ClipRgn(const FX_RECT& rect) : m_Type(RectI), m_Box(rect) {}
-
-CFX_ClipRgn::CFX_ClipRgn(const CFX_ClipRgn& src) {
-  m_Type = src.m_Type;
-  m_Box = src.m_Box;
-  m_Mask = src.m_Mask;
-}
-
-CFX_ClipRgn::~CFX_ClipRgn() {}
-
-void CFX_ClipRgn::Reset(const FX_RECT& rect) {
-  m_Type = RectI;
-  m_Box = rect;
-  m_Mask.SetNull();
-}
-
-void CFX_ClipRgn::IntersectRect(const FX_RECT& rect) {
-  if (m_Type == RectI) {
-    m_Box.Intersect(rect);
-    return;
-  }
-  if (m_Type == MaskF) {
-    IntersectMaskRect(rect, m_Box, m_Mask);
-    return;
-  }
-}
-
-void CFX_ClipRgn::IntersectMaskRect(FX_RECT rect,
-                                    FX_RECT mask_rect,
-                                    CFX_DIBitmapRef Mask) {
-  const CFX_DIBitmap* mask_dib = Mask.GetObject();
-  m_Type = MaskF;
-  m_Box = rect;
-  m_Box.Intersect(mask_rect);
-  if (m_Box.IsEmpty()) {
-    m_Type = RectI;
-    return;
-  }
-  if (m_Box == mask_rect) {
-    m_Mask = Mask;
-    return;
-  }
-  CFX_DIBitmap* new_dib = m_Mask.New();
-  if (!new_dib) {
-    return;
-  }
-  new_dib->Create(m_Box.Width(), m_Box.Height(), FXDIB_8bppMask);
-  for (int row = m_Box.top; row < m_Box.bottom; row++) {
-    uint8_t* dest_scan =
-        new_dib->GetBuffer() + new_dib->GetPitch() * (row - m_Box.top);
-    uint8_t* src_scan =
-        mask_dib->GetBuffer() + mask_dib->GetPitch() * (row - mask_rect.top);
-    for (int col = m_Box.left; col < m_Box.right; col++) {
-      dest_scan[col - m_Box.left] = src_scan[col - mask_rect.left];
-    }
-  }
-}
-
-void CFX_ClipRgn::IntersectMaskF(int left, int top, CFX_DIBitmapRef Mask) {
-  const CFX_DIBitmap* mask_dib = Mask.GetObject();
-  ASSERT(mask_dib->GetFormat() == FXDIB_8bppMask);
-  FX_RECT mask_box(left, top, left + mask_dib->GetWidth(),
-                   top + mask_dib->GetHeight());
-  if (m_Type == RectI) {
-    IntersectMaskRect(m_Box, mask_box, Mask);
-    return;
-  }
-  if (m_Type == MaskF) {
-    FX_RECT new_box = m_Box;
-    new_box.Intersect(mask_box);
-    if (new_box.IsEmpty()) {
-      m_Type = RectI;
-      m_Mask.SetNull();
-      m_Box = new_box;
-      return;
-    }
-    CFX_DIBitmapRef new_mask;
-    CFX_DIBitmap* new_dib = new_mask.New();
-    if (!new_dib) {
-      return;
-    }
-    new_dib->Create(new_box.Width(), new_box.Height(), FXDIB_8bppMask);
-    const CFX_DIBitmap* old_dib = m_Mask.GetObject();
-    for (int row = new_box.top; row < new_box.bottom; row++) {
-      uint8_t* old_scan =
-          old_dib->GetBuffer() + (row - m_Box.top) * old_dib->GetPitch();
-      uint8_t* mask_scan =
-          mask_dib->GetBuffer() + (row - top) * mask_dib->GetPitch();
-      uint8_t* new_scan =
-          new_dib->GetBuffer() + (row - new_box.top) * new_dib->GetPitch();
-      for (int col = new_box.left; col < new_box.right; col++) {
-        new_scan[col - new_box.left] =
-            old_scan[col - m_Box.left] * mask_scan[col - left] / 255;
-      }
-    }
-    m_Box = new_box;
-    m_Mask = new_mask;
-    return;
-  }
-  ASSERT(FALSE);
-}
-
 CFX_PathData::CFX_PathData()
     : m_PointCount(0), m_pPoints(nullptr), m_AllocCount(0) {}
 
 CFX_PathData::~CFX_PathData() {
   FX_Free(m_pPoints);
 }
 
 void CFX_PathData::SetPointCount(int nPoints) {
   m_PointCount = nPoints;
   if (m_AllocCount < nPoints) {
@@ skipping 501 matching lines @@
     pRect->top = y[2];
     pRect->Normalize();
   }
   return TRUE;
 }
 
 void CFX_PathData::Copy(const CFX_PathData& src) {
   SetPointCount(src.m_PointCount);
   FXSYS_memcpy(m_pPoints, src.m_pPoints, sizeof(FX_PATHPOINT) * m_PointCount);
 }
-
-CFX_GraphStateData::CFX_GraphStateData()
-    : m_LineCap(LineCapButt),
-      m_DashCount(0),
-      m_DashArray(nullptr),
-      m_DashPhase(0),
-      m_LineJoin(LineJoinMiter),
-      m_MiterLimit(10 * 1.0f),
-      m_LineWidth(1.0f) {}
-
-CFX_GraphStateData::CFX_GraphStateData(const CFX_GraphStateData& src) {
-  m_DashArray = nullptr;
-  Copy(src);
-}
-
-void CFX_GraphStateData::Copy(const CFX_GraphStateData& src) {
-  m_LineCap = src.m_LineCap;
-  m_DashCount = src.m_DashCount;
-  FX_Free(m_DashArray);
-  m_DashArray = nullptr;
-  m_DashPhase = src.m_DashPhase;
-  m_LineJoin = src.m_LineJoin;
-  m_MiterLimit = src.m_MiterLimit;
-  m_LineWidth = src.m_LineWidth;
-  if (m_DashCount) {
-    m_DashArray = FX_Alloc(FX_FLOAT, m_DashCount);
-    FXSYS_memcpy(m_DashArray, src.m_DashArray, m_DashCount * sizeof(FX_FLOAT));
-  }
-}
-
-CFX_GraphStateData::~CFX_GraphStateData() {
-  FX_Free(m_DashArray);
-}
-
-void CFX_GraphStateData::SetDashCount(int count) {
-  FX_Free(m_DashArray);
-  m_DashArray = nullptr;
-  m_DashCount = count;
-  if (count == 0) {
-    return;
-  }
-  m_DashArray = FX_Alloc(FX_FLOAT, count);
-}