Move xfa/src up to xfa/.

This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1803723002 .

1 files changed, 290 insertions, 0 deletions

diff --git a/xfa/fde/fde_render.cpp b/xfa/fde/fde_render.cpp
new file mode 100644
index 0000000000..7d86a7b53e
--- /dev/null
+++ b/xfa/fde/fde_render.cpp
@@ -0,0 +1,290 @@
+// 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/fde_render.h"
+
+#include "xfa/fde/fde_renderdevice.h"
+#include "xfa/fgas/crt/fgas_memory.h"
+
+#define FDE_PATHRENDER_Stroke 1
+#define FDE_PATHRENDER_Fill 2
+
+namespace {
+
+class CFDE_RenderContext : public IFDE_RenderContext, public CFX_Target {
+ public:
+  CFDE_RenderContext();
+  virtual ~CFDE_RenderContext();
+  virtual void Release() { delete this; }
+  virtual FX_BOOL StartRender(IFDE_RenderDevice* pRenderDevice,
+                              IFDE_CanvasSet* pCanvasSet,
+                              const CFX_Matrix& tmDoc2Device);
+  virtual FDE_RENDERSTATUS GetStatus() const { return m_eStatus; }
+  virtual FDE_RENDERSTATUS DoRender(IFX_Pause* pPause = NULL);
+  virtual void StopRender();
+  void RenderPath(IFDE_PathSet* pPathSet, FDE_HVISUALOBJ hPath);
+  void RenderText(IFDE_TextSet* pTextSet, FDE_HVISUALOBJ hText);
+  FX_BOOL ApplyClip(IFDE_VisualSet* pVisualSet,
+                    FDE_HVISUALOBJ hObj,
+                    FDE_HDEVICESTATE& hState);
+  void RestoreClip(FDE_HDEVICESTATE hState);
+
+ protected:
+  FDE_RENDERSTATUS m_eStatus;
+  IFDE_RenderDevice* m_pRenderDevice;
+  IFDE_SolidBrush* m_pSolidBrush;
+  CFX_Matrix m_Transform;
+  FXTEXT_CHARPOS* m_pCharPos;
+  int32_t m_iCharPosCount;
+  IFDE_VisualSetIterator* m_pIterator;
+};
+
+}  // namespace
+
+void FDE_GetPageMatrix(CFX_Matrix& pageMatrix,
+                       const CFX_RectF& docPageRect,
+                       const CFX_Rect& devicePageRect,
+                       int32_t iRotate,
+                       FX_DWORD dwCoordinatesType) {
+  FXSYS_assert(iRotate >= 0 && iRotate <= 3);
+  FX_BOOL bFlipX = (dwCoordinatesType & 0x01) != 0;
+  FX_BOOL bFlipY = (dwCoordinatesType & 0x02) != 0;
+  CFX_Matrix m;
+  m.Set((bFlipX ? -1.0f : 1.0f), 0, 0, (bFlipY ? -1.0f : 1.0f), 0, 0);
+  if (iRotate == 0 || iRotate == 2) {
+    m.a *= (FX_FLOAT)devicePageRect.width / docPageRect.width;
+    m.d *= (FX_FLOAT)devicePageRect.height / docPageRect.height;
+  } else {
+    m.a *= (FX_FLOAT)devicePageRect.height / docPageRect.width;
+    m.d *= (FX_FLOAT)devicePageRect.width / docPageRect.height;
+  }
+  m.Rotate(iRotate * 1.57079632675f);
+  switch (iRotate) {
+    case 0:
+      m.e = bFlipX ? (FX_FLOAT)devicePageRect.right()
+                   : (FX_FLOAT)devicePageRect.left;
+      m.f = bFlipY ? (FX_FLOAT)devicePageRect.bottom()
+                   : (FX_FLOAT)devicePageRect.top;
+      break;
+    case 1:
+      m.e = bFlipY ? (FX_FLOAT)devicePageRect.left
+                   : (FX_FLOAT)devicePageRect.right();
+      m.f = bFlipX ? (FX_FLOAT)devicePageRect.bottom()
+                   : (FX_FLOAT)devicePageRect.top;
+      break;
+    case 2:
+      m.e = bFlipX ? (FX_FLOAT)devicePageRect.left
+                   : (FX_FLOAT)devicePageRect.right();
+      m.f = bFlipY ? (FX_FLOAT)devicePageRect.top
+                   : (FX_FLOAT)devicePageRect.bottom();
+      break;
+    case 3:
+      m.e = bFlipY ? (FX_FLOAT)devicePageRect.right()
+                   : (FX_FLOAT)devicePageRect.left;
+      m.f = bFlipX ? (FX_FLOAT)devicePageRect.top
+                   : (FX_FLOAT)devicePageRect.bottom();
+      break;
+    default:
+      break;
+  }
+  pageMatrix = m;
+}
+IFDE_RenderContext* IFDE_RenderContext::Create() {
+  return new CFDE_RenderContext;
+}
+CFDE_RenderContext::CFDE_RenderContext()
+    : m_eStatus(FDE_RENDERSTATUS_Reset),
+      m_pRenderDevice(NULL),
+      m_pSolidBrush(NULL),
+      m_Transform(),
+      m_pCharPos(NULL),
+      m_iCharPosCount(0),
+      m_pIterator(NULL) {
+  m_Transform.SetIdentity();
+}
+CFDE_RenderContext::~CFDE_RenderContext() {
+  StopRender();
+}
+FX_BOOL CFDE_RenderContext::StartRender(IFDE_RenderDevice* pRenderDevice,
+                                        IFDE_CanvasSet* pCanvasSet,
+                                        const CFX_Matrix& tmDoc2Device) {
+  if (m_pRenderDevice != NULL) {
+    return FALSE;
+  }
+  if (pRenderDevice == NULL) {
+    return FALSE;
+  }
+  if (pCanvasSet == NULL) {
+    return FALSE;
+  }
+
+  m_eStatus = FDE_RENDERSTATUS_Paused;
+  m_pRenderDevice = pRenderDevice;
+  m_Transform = tmDoc2Device;
+  if (m_pIterator == NULL) {
+    m_pIterator = IFDE_VisualSetIterator::Create();
+    FXSYS_assert(m_pIterator != NULL);
+  }
+  return m_pIterator->AttachCanvas(pCanvasSet) && m_pIterator->FilterObjects();
+}
+FDE_RENDERSTATUS CFDE_RenderContext::DoRender(IFX_Pause* pPause) {
+  if (m_pRenderDevice == NULL) {
+    return FDE_RENDERSTATUS_Failed;
+  }
+  if (m_pIterator == NULL) {
+    return FDE_RENDERSTATUS_Failed;
+  }
+  FDE_RENDERSTATUS eStatus = FDE_RENDERSTATUS_Paused;
+  CFX_Matrix rm;
+  rm.SetReverse(m_Transform);
+  CFX_RectF rtDocClip = m_pRenderDevice->GetClipRect();
+  if (rtDocClip.IsEmpty()) {
+    rtDocClip.left = rtDocClip.top = 0;
+    rtDocClip.width = (FX_FLOAT)m_pRenderDevice->GetWidth();
+    rtDocClip.height = (FX_FLOAT)m_pRenderDevice->GetHeight();
+  }
+  rm.TransformRect(rtDocClip);
+  IFDE_VisualSet* pVisualSet;
+  FDE_HVISUALOBJ hVisualObj;
+  CFX_RectF rtObj;
+  int32_t iCount = 0;
+  while (TRUE) {
+    hVisualObj = m_pIterator->GetNext(pVisualSet);
+    if (hVisualObj == NULL || pVisualSet == NULL) {
+      eStatus = FDE_RENDERSTATUS_Done;
+      break;
+    }
+    rtObj.Empty();
+    pVisualSet->GetRect(hVisualObj, rtObj);
+    if (!rtDocClip.IntersectWith(rtObj)) {
+      continue;
+    }
+    switch (pVisualSet->GetType()) {
+      case FDE_VISUALOBJ_Text:
+        RenderText((IFDE_TextSet*)pVisualSet, hVisualObj);
+        iCount += 5;
+        break;
+      case FDE_VISUALOBJ_Path:
+        RenderPath((IFDE_PathSet*)pVisualSet, hVisualObj);
+        iCount += 20;
+        break;
+      case FDE_VISUALOBJ_Widget:
+        iCount += 10;
+        break;
+      case FDE_VISUALOBJ_Canvas:
+        FXSYS_assert(FALSE);
+        break;
+      default:
+        break;
+    }
+    if (iCount >= 100 && pPause != NULL && pPause->NeedToPauseNow()) {
+      eStatus = FDE_RENDERSTATUS_Paused;
+      break;
+    }
+  }
+  return m_eStatus = eStatus;
+}
+void CFDE_RenderContext::StopRender() {
+  m_eStatus = FDE_RENDERSTATUS_Reset;
+  m_pRenderDevice = nullptr;
+  m_Transform.SetIdentity();
+  if (m_pIterator) {
+    m_pIterator->Release();
+    m_pIterator = nullptr;
+  }
+  if (m_pSolidBrush) {
+    m_pSolidBrush->Release();
+    m_pSolidBrush = nullptr;
+  }
+  FX_Free(m_pCharPos);
+  m_pCharPos = nullptr;
+  m_iCharPosCount = 0;
+}
+void CFDE_RenderContext::RenderText(IFDE_TextSet* pTextSet,
+                                    FDE_HVISUALOBJ hText) {
+  FXSYS_assert(m_pRenderDevice != NULL);
+  FXSYS_assert(pTextSet != NULL && hText != NULL);
+  IFX_Font* pFont = pTextSet->GetFont(hText);
+  if (pFont == NULL) {
+    return;
+  }
+  int32_t iCount = pTextSet->GetDisplayPos(hText, NULL, FALSE);
+  if (iCount < 1) {
+    return;
+  }
+  if (m_pSolidBrush == NULL) {
+    m_pSolidBrush = (IFDE_SolidBrush*)IFDE_Brush::Create(FDE_BRUSHTYPE_Solid);
+    if (m_pSolidBrush == NULL) {
+      return;
+    }
+  }
+  if (m_pCharPos == NULL) {
+    m_pCharPos = FX_Alloc(FXTEXT_CHARPOS, iCount);
+  } else if (m_iCharPosCount < iCount) {
+    m_pCharPos = FX_Realloc(FXTEXT_CHARPOS, m_pCharPos, iCount);
+  }
+  if (m_iCharPosCount < iCount) {
+    m_iCharPosCount = iCount;
+  }
+  iCount = pTextSet->GetDisplayPos(hText, m_pCharPos, FALSE);
+  FX_FLOAT fFontSize = pTextSet->GetFontSize(hText);
+  FX_ARGB dwColor = pTextSet->GetFontColor(hText);
+  m_pSolidBrush->SetColor(dwColor);
+  FDE_HDEVICESTATE hState;
+  FX_BOOL bClip = ApplyClip(pTextSet, hText, hState);
+  m_pRenderDevice->DrawString(m_pSolidBrush, pFont, m_pCharPos, iCount,
+                              fFontSize, &m_Transform);
+  if (bClip) {
+    RestoreClip(hState);
+  }
+}
+void CFDE_RenderContext::RenderPath(IFDE_PathSet* pPathSet,
+                                    FDE_HVISUALOBJ hPath) {
+  FXSYS_assert(m_pRenderDevice != NULL);
+  FXSYS_assert(pPathSet != NULL && hPath != NULL);
+  IFDE_Path* pPath = pPathSet->GetPath(hPath);
+  if (pPath == NULL) {
+    return;
+  }
+  FDE_HDEVICESTATE hState;
+  FX_BOOL bClip = ApplyClip(pPathSet, hPath, hState);
+  int32_t iRenderMode = pPathSet->GetRenderMode(hPath);
+  if (iRenderMode & FDE_PATHRENDER_Stroke) {
+    IFDE_Pen* pPen = pPathSet->GetPen(hPath);
+    FX_FLOAT fWidth = pPathSet->GetPenWidth(hPath);
+    if (pPen != NULL && fWidth > 0) {
+      m_pRenderDevice->DrawPath(pPen, fWidth, pPath, &m_Transform);
+    }
+  }
+  if (iRenderMode & FDE_PATHRENDER_Fill) {
+    IFDE_Brush* pBrush = pPathSet->GetBrush(hPath);
+    if (pBrush != NULL) {
+      m_pRenderDevice->FillPath(pBrush, pPath, &m_Transform);
+    }
+  }
+  if (bClip) {
+    RestoreClip(hState);
+  }
+}
+FX_BOOL CFDE_RenderContext::ApplyClip(IFDE_VisualSet* pVisualSet,
+                                      FDE_HVISUALOBJ hObj,
+                                      FDE_HDEVICESTATE& hState) {
+  CFX_RectF rtClip;
+  if (!pVisualSet->GetClip(hObj, rtClip)) {
+    return FALSE;
+  }
+  CFX_RectF rtObj;
+  pVisualSet->GetRect(hObj, rtObj);
+  rtClip.Offset(rtObj.left, rtObj.top);
+  m_Transform.TransformRect(rtClip);
+  const CFX_RectF& rtDevClip = m_pRenderDevice->GetClipRect();
+  rtClip.Intersect(rtDevClip);
+  hState = m_pRenderDevice->SaveState();
+  return m_pRenderDevice->SetClipRect(rtClip);
+}
+void CFDE_RenderContext::RestoreClip(FDE_HDEVICESTATE hState) {
+  m_pRenderDevice->RestoreState(hState);
+}