Move CPDF_Annot and CPDF_AnnotList to their own header.

core/fpdfdoc/doc_annot.cpp

Index: core/fpdfdoc/doc_annot.cpp
diff --git a/core/fpdfdoc/doc_annot.cpp b/core/fpdfdoc/doc_annot.cpp
deleted file mode 100644
index e1a976005b9cb6fc0c7948a396f9186fee410d23..0000000000000000000000000000000000000000
--- a/core/fpdfdoc/doc_annot.cpp
+++ /dev/null
@@ -1,355 +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 "core/fpdfapi/fpdf_page/include/cpdf_form.h"
-#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_reference.h"
-#include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h"
-#include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
-#include "core/fpdfdoc/cpvt_generateap.h"
-#include "core/fpdfdoc/include/fpdf_doc.h"
-#include "core/fxge/include/fx_ge.h"
-
-CPDF_AnnotList::CPDF_AnnotList(CPDF_Page* pPage)
-    : m_pDocument(pPage->m_pDocument) {
-  if (!pPage->m_pFormDict)
-    return;
-
-  CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayBy("Annots");
-  if (!pAnnots)
-    return;
-
-  CPDF_Dictionary* pRoot = m_pDocument->GetRoot();
-  CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
-  FX_BOOL bRegenerateAP =
-      pAcroForm && pAcroForm->GetBooleanBy("NeedAppearances");
-  for (size_t i = 0; i < pAnnots->GetCount(); ++i) {
-    CPDF_Dictionary* pDict = ToDictionary(pAnnots->GetDirectObjectAt(i));
-    if (!pDict)
-      continue;
-
-    uint32_t dwObjNum = pDict->GetObjNum();
-    if (dwObjNum == 0) {
-      dwObjNum = m_pDocument->AddIndirectObject(pDict);
-      CPDF_Reference* pAction = new CPDF_Reference(m_pDocument, dwObjNum);
-      pAnnots->InsertAt(i, pAction);
-      pAnnots->RemoveAt(i + 1);
-      pDict = pAnnots->GetDictAt(i);
-    }
-    m_AnnotList.push_back(
-        std::unique_ptr<CPDF_Annot>(new CPDF_Annot(pDict, m_pDocument)));
-    if (bRegenerateAP && pDict->GetStringBy("Subtype") == "Widget" &&
-        CPDF_InterForm::IsUpdateAPEnabled()) {
-      FPDF_GenerateAP(m_pDocument, pDict);
-    }
-  }
-}
-
-CPDF_AnnotList::~CPDF_AnnotList() {}
-
-void CPDF_AnnotList::DisplayPass(CPDF_Page* pPage,
-                                 CFX_RenderDevice* pDevice,
-                                 CPDF_RenderContext* pContext,
-                                 FX_BOOL bPrinting,
-                                 CFX_Matrix* pMatrix,
-                                 FX_BOOL bWidgetPass,
-                                 CPDF_RenderOptions* pOptions,
-                                 FX_RECT* clip_rect) {
-  for (const auto& pAnnot : m_AnnotList) {
-    bool bWidget = pAnnot->GetSubType() == "Widget";
-    if ((bWidgetPass && !bWidget) || (!bWidgetPass && bWidget))
-      continue;
-
-    uint32_t annot_flags = pAnnot->GetFlags();
-    if (annot_flags & ANNOTFLAG_HIDDEN)
-      continue;
-
-    if (bPrinting && (annot_flags & ANNOTFLAG_PRINT) == 0)
-      continue;
-
-    if (!bPrinting && (annot_flags & ANNOTFLAG_NOVIEW))
-      continue;
-
-    if (pOptions) {
-      CPDF_OCContext* pOCContext = pOptions->m_pOCContext;
-      CPDF_Dictionary* pAnnotDict = pAnnot->GetAnnotDict();
-      if (pOCContext && pAnnotDict &&
-          !pOCContext->CheckOCGVisible(pAnnotDict->GetDictBy("OC"))) {
-        continue;
-      }
-    }
-    CFX_FloatRect annot_rect_f;
-    pAnnot->GetRect(annot_rect_f);
-    CFX_Matrix matrix = *pMatrix;
-    if (clip_rect) {
-      annot_rect_f.Transform(&matrix);
-      FX_RECT annot_rect = annot_rect_f.GetOutterRect();
-      annot_rect.Intersect(*clip_rect);
-      if (annot_rect.IsEmpty()) {
-        continue;
-      }
-    }
-    if (pContext) {
-      pAnnot->DrawInContext(pPage, pContext, &matrix, CPDF_Annot::Normal);
-    } else if (!pAnnot->DrawAppearance(pPage, pDevice, &matrix,
-                                       CPDF_Annot::Normal, pOptions)) {
-      pAnnot->DrawBorder(pDevice, &matrix, pOptions);
-    }
-  }
-}
-
-void CPDF_AnnotList::DisplayAnnots(CPDF_Page* pPage,
-                                   CFX_RenderDevice* pDevice,
-                                   CPDF_RenderContext* pContext,
-                                   FX_BOOL bPrinting,
-                                   CFX_Matrix* pUser2Device,
-                                   uint32_t dwAnnotFlags,
-                                   CPDF_RenderOptions* pOptions,
-                                   FX_RECT* pClipRect) {
-  if (dwAnnotFlags & 0x01) {
-    DisplayPass(pPage, pDevice, pContext, bPrinting, pUser2Device, FALSE,
-                pOptions, pClipRect);
-  }
-  if (dwAnnotFlags & 0x02) {
-    DisplayPass(pPage, pDevice, pContext, bPrinting, pUser2Device, TRUE,
-                pOptions, pClipRect);
-  }
-}
-
-CPDF_Annot::CPDF_Annot(CPDF_Dictionary* pDict, CPDF_Document* pDocument)
-    : m_pAnnotDict(pDict),
-      m_pDocument(pDocument),
-      m_sSubtype(m_pAnnotDict->GetStringBy("Subtype")) {}
-
-CPDF_Annot::~CPDF_Annot() {
-  ClearCachedAP();
-}
-
-void CPDF_Annot::ClearCachedAP() {
-  for (const auto& pair : m_APMap) {
-    delete pair.second;
-  }
-  m_APMap.clear();
-}
-CFX_ByteString CPDF_Annot::GetSubType() const {
-  return m_sSubtype;
-}
-
-void CPDF_Annot::GetRect(CFX_FloatRect& rect) const {
-  if (!m_pAnnotDict) {
-    return;
-  }
-  rect = m_pAnnotDict->GetRectBy("Rect");
-  rect.Normalize();
-}
-
-uint32_t CPDF_Annot::GetFlags() const {
-  return m_pAnnotDict->GetIntegerBy("F");
-}
-
-CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict,
-                                CPDF_Annot::AppearanceMode mode) {
-  CPDF_Dictionary* pAP = pAnnotDict->GetDictBy("AP");
-  if (!pAP) {
-    return nullptr;
-  }
-  const FX_CHAR* ap_entry = "N";
-  if (mode == CPDF_Annot::Down)
-    ap_entry = "D";
-  else if (mode == CPDF_Annot::Rollover)
-    ap_entry = "R";
-  if (!pAP->KeyExist(ap_entry))
-    ap_entry = "N";
-
-  CPDF_Object* psub = pAP->GetDirectObjectBy(ap_entry);
-  if (!psub)
-    return nullptr;
-  if (CPDF_Stream* pStream = psub->AsStream())
-    return pStream;
-
-  if (CPDF_Dictionary* pDict = psub->AsDictionary()) {
-    CFX_ByteString as = pAnnotDict->GetStringBy("AS");
-    if (as.IsEmpty()) {
-      CFX_ByteString value = pAnnotDict->GetStringBy("V");
-      if (value.IsEmpty()) {
-        CPDF_Dictionary* pParentDict = pAnnotDict->GetDictBy("Parent");
-        value = pParentDict ? pParentDict->GetStringBy("V") : CFX_ByteString();
-      }
-      if (value.IsEmpty() || !pDict->KeyExist(value))
-        as = "Off";
-      else
-        as = value;
-    }
-    return pDict->GetStreamBy(as);
-  }
-  return nullptr;
-}
-
-CPDF_Form* CPDF_Annot::GetAPForm(const CPDF_Page* pPage, AppearanceMode mode) {
-  CPDF_Stream* pStream = FPDFDOC_GetAnnotAP(m_pAnnotDict, mode);
-  if (!pStream)
-    return nullptr;
-
-  auto it = m_APMap.find(pStream);
-  if (it != m_APMap.end())
-    return it->second;
-
-  CPDF_Form* pNewForm =
-      new CPDF_Form(m_pDocument, pPage->m_pResources, pStream);
-  pNewForm->ParseContent(nullptr, nullptr, nullptr);
-  m_APMap[pStream] = pNewForm;
-  return pNewForm;
-}
-
-static CPDF_Form* FPDFDOC_Annot_GetMatrix(const CPDF_Page* pPage,
-                                          CPDF_Annot* pAnnot,
-                                          CPDF_Annot::AppearanceMode mode,
-                                          const CFX_Matrix* pUser2Device,
-                                          CFX_Matrix& matrix) {
-  CPDF_Form* pForm = pAnnot->GetAPForm(pPage, mode);
-  if (!pForm) {
-    return nullptr;
-  }
-  CFX_FloatRect form_bbox = pForm->m_pFormDict->GetRectBy("BBox");
-  CFX_Matrix form_matrix = pForm->m_pFormDict->GetMatrixBy("Matrix");
-  form_matrix.TransformRect(form_bbox);
-  CFX_FloatRect arect;
-  pAnnot->GetRect(arect);
-  matrix.MatchRect(arect, form_bbox);
-  matrix.Concat(*pUser2Device);
-  return pForm;
-}
-FX_BOOL CPDF_Annot::DrawAppearance(CPDF_Page* pPage,
-                                   CFX_RenderDevice* pDevice,
-                                   const CFX_Matrix* pUser2Device,
-                                   AppearanceMode mode,
-                                   const CPDF_RenderOptions* pOptions) {
-  CFX_Matrix matrix;
-  CPDF_Form* pForm =
-      FPDFDOC_Annot_GetMatrix(pPage, this, mode, pUser2Device, matrix);
-  if (!pForm) {
-    return FALSE;
-  }
-  CPDF_RenderContext context(pPage);
-  context.AppendLayer(pForm, &matrix);
-  context.Render(pDevice, pOptions, nullptr);
-  return TRUE;
-}
-FX_BOOL CPDF_Annot::DrawInContext(const CPDF_Page* pPage,
-                                  CPDF_RenderContext* pContext,
-                                  const CFX_Matrix* pUser2Device,
-                                  AppearanceMode mode) {
-  CFX_Matrix matrix;
-  CPDF_Form* pForm =
-      FPDFDOC_Annot_GetMatrix(pPage, this, mode, pUser2Device, matrix);
-  if (!pForm) {
-    return FALSE;
-  }
-  pContext->AppendLayer(pForm, &matrix);
-  return TRUE;
-}
-void CPDF_Annot::DrawBorder(CFX_RenderDevice* pDevice,
-                            const CFX_Matrix* pUser2Device,
-                            const CPDF_RenderOptions* pOptions) {
-  if (GetSubType() == "Popup") {
-    return;
-  }
-  uint32_t annot_flags = GetFlags();
-  if (annot_flags & ANNOTFLAG_HIDDEN) {
-    return;
-  }
-  bool bPrinting = pDevice->GetDeviceClass() == FXDC_PRINTER ||
-                   (pOptions && (pOptions->m_Flags & RENDER_PRINTPREVIEW));
-  if (bPrinting && (annot_flags & ANNOTFLAG_PRINT) == 0) {
-    return;
-  }
-  if (!bPrinting && (annot_flags & ANNOTFLAG_NOVIEW)) {
-    return;
-  }
-  CPDF_Dictionary* pBS = m_pAnnotDict->GetDictBy("BS");
-  char style_char;
-  FX_FLOAT width;
-  CPDF_Array* pDashArray = nullptr;
-  if (!pBS) {
-    CPDF_Array* pBorderArray = m_pAnnotDict->GetArrayBy("Border");
-    style_char = 'S';
-    if (pBorderArray) {
-      width = pBorderArray->GetNumberAt(2);
-      if (pBorderArray->GetCount() == 4) {
-        pDashArray = pBorderArray->GetArrayAt(3);
-        if (!pDashArray) {
-          return;
-        }
-        size_t nLen = pDashArray->GetCount();
-        size_t i = 0;
-        for (; i < nLen; ++i) {
-          CPDF_Object* pObj = pDashArray->GetDirectObjectAt(i);
-          if (pObj && pObj->GetInteger()) {
-            break;
-          }
-        }
-        if (i == nLen) {
-          return;
-        }
-        style_char = 'D';
-      }
-    } else {
-      width = 1;
-    }
-  } else {
-    CFX_ByteString style = pBS->GetStringBy("S");
-    pDashArray = pBS->GetArrayBy("D");
-    style_char = style[1];
-    width = pBS->GetNumberBy("W");
-  }
-  if (width <= 0) {
-    return;
-  }
-  CPDF_Array* pColor = m_pAnnotDict->GetArrayBy("C");
-  uint32_t argb = 0xff000000;
-  if (pColor) {
-    int R = (int32_t)(pColor->GetNumberAt(0) * 255);
-    int G = (int32_t)(pColor->GetNumberAt(1) * 255);
-    int B = (int32_t)(pColor->GetNumberAt(2) * 255);
-    argb = ArgbEncode(0xff, R, G, B);
-  }
-  CFX_GraphStateData graph_state;
-  graph_state.m_LineWidth = width;
-  if (style_char == 'D') {
-    if (pDashArray) {
-      size_t dash_count = pDashArray->GetCount();
-      if (dash_count % 2) {
-        dash_count++;
-      }
-      graph_state.m_DashArray = FX_Alloc(FX_FLOAT, dash_count);
-      graph_state.m_DashCount = dash_count;
-      size_t i;
-      for (i = 0; i < pDashArray->GetCount(); ++i) {
-        graph_state.m_DashArray[i] = pDashArray->GetNumberAt(i);
-      }
-      if (i < dash_count) {
-        graph_state.m_DashArray[i] = graph_state.m_DashArray[i - 1];
-      }
-    } else {
-      graph_state.m_DashArray = FX_Alloc(FX_FLOAT, 2);
-      graph_state.m_DashCount = 2;
-      graph_state.m_DashArray[0] = graph_state.m_DashArray[1] = 3 * 1.0f;
-    }
-  }
-  CFX_FloatRect rect;
-  GetRect(rect);
-  CFX_PathData path;
-  width /= 2;
-  path.AppendRect(rect.left + width, rect.bottom + width, rect.right - width,
-                  rect.top - width);
-  int fill_type = 0;
-  if (pOptions && (pOptions->m_Flags & RENDER_NOPATHSMOOTH)) {
-    fill_type |= FXFILL_NOPATHSMOOTH;
-  }
-  pDevice->DrawPath(&path, pUser2Device, &graph_state, argb, argb, fill_type);
-}