Move CPDF_DocRenderData from render_int

core/fpdfapi/render/fpdf_render.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 "core/fpdfapi/render/render_int.h"
 
 #include <memory>
 
 #include "core/fpdfapi/cpdf_modulemgr.h"
 #include "core/fpdfapi/font/cpdf_type3char.h"
 #include "core/fpdfapi/font/cpdf_type3font.h"
 #include "core/fpdfapi/page/cpdf_docpagedata.h"
 #include "core/fpdfapi/page/cpdf_form.h"
 #include "core/fpdfapi/page/cpdf_formobject.h"
 #include "core/fpdfapi/page/cpdf_graphicstates.h"
 #include "core/fpdfapi/page/cpdf_image.h"
 #include "core/fpdfapi/page/cpdf_imageobject.h"
 #include "core/fpdfapi/page/cpdf_page.h"
 #include "core/fpdfapi/page/cpdf_pageobject.h"
 #include "core/fpdfapi/page/cpdf_pathobject.h"
 #include "core/fpdfapi/page/cpdf_textobject.h"
 #include "core/fpdfapi/page/pageint.h"
 #include "core/fpdfapi/parser/cpdf_array.h"
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 #include "core/fpdfapi/parser/cpdf_document.h"
+#include "core/fpdfapi/render/cpdf_docrenderdata.h"
 #include "core/fpdfapi/render/cpdf_pagerendercache.h"
 #include "core/fpdfapi/render/cpdf_progressiverenderer.h"
 #include "core/fpdfapi/render/cpdf_renderoptions.h"
 #include "core/fpdfapi/render/cpdf_textrenderer.h"
 #include "core/fpdfapi/render/cpdf_type3cache.h"
 #include "core/fpdfdoc/cpdf_occontext.h"
 #include "core/fxge/cfx_fxgedevice.h"
 #include "core/fxge/cfx_graphstatedata.h"
 #include "core/fxge/cfx_pathdata.h"
 #include "core/fxge/cfx_renderdevice.h"
 
-CPDF_DocRenderData::CPDF_DocRenderData(CPDF_Document* pPDFDoc)
-    : m_pPDFDoc(pPDFDoc) {}
-
-CPDF_DocRenderData::~CPDF_DocRenderData() {
-  Clear(true);
-}
-
-void CPDF_DocRenderData::Clear(bool bRelease) {
-  for (auto it = m_Type3FaceMap.begin(); it != m_Type3FaceMap.end();) {
-    auto curr_it = it++;
-    CPDF_CountedObject<CPDF_Type3Cache>* cache = curr_it->second;
-    if (bRelease || cache->use_count() < 2) {
-      delete cache->get();
-      delete cache;
-      m_Type3FaceMap.erase(curr_it);
-    }
-  }
-
-  for (auto it = m_TransferFuncMap.begin(); it != m_TransferFuncMap.end();) {
-    auto curr_it = it++;
-    CPDF_CountedObject<CPDF_TransferFunc>* value = curr_it->second;
-    if (bRelease || value->use_count() < 2) {
-      delete value->get();
-      delete value;
-      m_TransferFuncMap.erase(curr_it);
-    }
-  }
-}
-
-CPDF_Type3Cache* CPDF_DocRenderData::GetCachedType3(CPDF_Type3Font* pFont) {
-  CPDF_CountedObject<CPDF_Type3Cache>* pCache;
-  auto it = m_Type3FaceMap.find(pFont);
-  if (it == m_Type3FaceMap.end()) {
-    CPDF_Type3Cache* pType3 = new CPDF_Type3Cache(pFont);
-    pCache = new CPDF_CountedObject<CPDF_Type3Cache>(pType3);
-    m_Type3FaceMap[pFont] = pCache;
-  } else {
-    pCache = it->second;
-  }
-  return pCache->AddRef();
-}
-
-void CPDF_DocRenderData::ReleaseCachedType3(CPDF_Type3Font* pFont) {
-  auto it = m_Type3FaceMap.find(pFont);
-  if (it != m_Type3FaceMap.end()) {
-    it->second->RemoveRef();
-    if (it->second->use_count() < 2) {
-      delete it->second->get();
-      delete it->second;
-      m_Type3FaceMap.erase(it);
-    }
-  }
-}
-
 CPDF_RenderOptions::CPDF_RenderOptions()
     : m_ColorMode(RENDER_COLOR_NORMAL),
       m_Flags(RENDER_CLEARTYPE),
       m_Interpolation(0),
       m_AddFlags(0),
       m_pOCContext(nullptr),
       m_dwLimitCacheSize(1024 * 1024 * 100),
       m_HalftoneLimit(-1),
       m_bDrawAnnots(false) {}
 
@@ skipping 977 matching lines @@
         return;
       }
     } else {
       m_pCurrentLayer->m_pObjectHolder->ContinueParse(pPause);
       if (!m_pCurrentLayer->m_pObjectHolder->IsParsed())
         return;
     }
   }
 }
 
-CPDF_TransferFunc* CPDF_DocRenderData::GetTransferFunc(CPDF_Object* pObj) {
-  if (!pObj)
-    return nullptr;
-
-  auto it = m_TransferFuncMap.find(pObj);
-  if (it != m_TransferFuncMap.end()) {
-    CPDF_CountedObject<CPDF_TransferFunc>* pTransferCounter = it->second;
-    return pTransferCounter->AddRef();
-  }
-
-  std::unique_ptr<CPDF_Function> pFuncs[3];
-  bool bUniTransfer = true;
-  bool bIdentity = true;
-  if (CPDF_Array* pArray = pObj->AsArray()) {
-    bUniTransfer = false;
-    if (pArray->GetCount() < 3)
-      return nullptr;
-
-    for (uint32_t i = 0; i < 3; ++i) {
-      pFuncs[2 - i] = CPDF_Function::Load(pArray->GetDirectObjectAt(i));
-      if (!pFuncs[2 - i])
-        return nullptr;
-    }
-  } else {
-    pFuncs[0] = CPDF_Function::Load(pObj);
-    if (!pFuncs[0])
-      return nullptr;
-  }
-  CPDF_TransferFunc* pTransfer = new CPDF_TransferFunc(m_pPDFDoc);
-  CPDF_CountedObject<CPDF_TransferFunc>* pTransferCounter =
-      new CPDF_CountedObject<CPDF_TransferFunc>(pTransfer);
-  m_TransferFuncMap[pObj] = pTransferCounter;
-  static const int kMaxOutputs = 16;
-  FX_FLOAT output[kMaxOutputs];
-  FXSYS_memset(output, 0, sizeof(output));
-  FX_FLOAT input;
-  int noutput;
-  for (int v = 0; v < 256; ++v) {
-    input = (FX_FLOAT)v / 255.0f;
-    if (bUniTransfer) {
-      if (pFuncs[0] && pFuncs[0]->CountOutputs() <= kMaxOutputs)
-        pFuncs[0]->Call(&input, 1, output, noutput);
-      int o = FXSYS_round(output[0] * 255);
-      if (o != v)
-        bIdentity = false;
-      for (int i = 0; i < 3; ++i) {
-        pTransfer->m_Samples[i * 256 + v] = o;
-      }
-    } else {
-      for (int i = 0; i < 3; ++i) {
-        if (pFuncs[i] && pFuncs[i]->CountOutputs() <= kMaxOutputs) {
-          pFuncs[i]->Call(&input, 1, output, noutput);
-          int o = FXSYS_round(output[0] * 255);
-          if (o != v)
-            bIdentity = false;
-          pTransfer->m_Samples[i * 256 + v] = o;
-        } else {
-          pTransfer->m_Samples[i * 256 + v] = v;
-        }
-      }
-    }
-  }
-
-  pTransfer->m_bIdentity = bIdentity;
-  return pTransferCounter->AddRef();
-}
-
-void CPDF_DocRenderData::ReleaseTransferFunc(CPDF_Object* pObj) {
-  auto it = m_TransferFuncMap.find(pObj);
-  if (it != m_TransferFuncMap.end()) {
-    it->second->RemoveRef();
-    if (it->second->use_count() < 2) {
-      delete it->second->get();
-      delete it->second;
-      m_TransferFuncMap.erase(it);
-    }
-  }
-}
-
 CPDF_DeviceBuffer::CPDF_DeviceBuffer()
     : m_pDevice(nullptr), m_pContext(nullptr), m_pObject(nullptr) {}
 
 CPDF_DeviceBuffer::~CPDF_DeviceBuffer() {}
 
 bool CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext,
                                    CFX_RenderDevice* pDevice,
                                    FX_RECT* pRect,
                                    const CPDF_PageObject* pObj,
                                    int max_dpi) {
@@ skipping 114 matching lines @@
     m_pDevice->StretchDIBits(m_pBitmapDevice->GetBitmap(), m_Rect.left,
                              m_Rect.top, m_Rect.Width(), m_Rect.Height());
   }
 }
 
 #if defined _SKIA_SUPPORT_
 void CPDF_RenderStatus::DebugVerifyDeviceIsPreMultiplied() const {
   m_pDevice->DebugVerifyBitmapIsPreMultiplied();
 }
 #endif