Move core/fpdfapi/fpdf_page to core/fpdfapi/page

core/fpdfapi/fpdf_page/cpdf_shadingpattern.cpp

-// 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/fpdfapi/fpdf_page/cpdf_shadingpattern.h"
-
-#include "core/fpdfapi/fpdf_page/pageint.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_document.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_object.h"
-
-namespace {
-
-ShadingType ToShadingType(int type) {
-  return (type > static_cast<int>(kInvalidShading) &&
-          type < static_cast<int>(kMaxShading))
-             ? static_cast<ShadingType>(type)
-             : kInvalidShading;
-}
-
-}  // namespace
-
-CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc,
-                                         CPDF_Object* pPatternObj,
-                                         FX_BOOL bShading,
-                                         const CFX_Matrix& parentMatrix)
-    : CPDF_Pattern(SHADING,
-                   pDoc,
-                   bShading ? nullptr : pPatternObj,
-                   parentMatrix),
-      m_ShadingType(kInvalidShading),
-      m_bShadingObj(bShading),
-      m_pShadingObj(pPatternObj),
-      m_pCS(nullptr),
-      m_pCountedCS(nullptr) {
-  if (!bShading) {
-    CPDF_Dictionary* pDict = m_pPatternObj->GetDict();
-    m_Pattern2Form = pDict->GetMatrixFor("Matrix");
-    m_pShadingObj = pDict->GetDirectObjectFor("Shading");
-    m_Pattern2Form.Concat(parentMatrix);
-  }
-}
-
-CPDF_ShadingPattern::~CPDF_ShadingPattern() {
-  CPDF_ColorSpace* pCS = m_pCountedCS ? m_pCountedCS->get() : nullptr;
-  if (pCS && m_pDocument)
-    m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray());
-}
-
-CPDF_TilingPattern* CPDF_ShadingPattern::AsTilingPattern() {
-  return nullptr;
-}
-
-CPDF_ShadingPattern* CPDF_ShadingPattern::AsShadingPattern() {
-  return this;
-}
-
-bool CPDF_ShadingPattern::Load() {
-  if (m_ShadingType != kInvalidShading)
-    return TRUE;
-
-  CPDF_Dictionary* pShadingDict =
-      m_pShadingObj ? m_pShadingObj->GetDict() : nullptr;
-  if (!pShadingDict)
-    return FALSE;
-
-  m_pFunctions.clear();
-  CPDF_Object* pFunc = pShadingDict->GetDirectObjectFor("Function");
-  if (pFunc) {
-    if (CPDF_Array* pArray = pFunc->AsArray()) {
-      m_pFunctions.resize(std::min<size_t>(pArray->GetCount(), 4));
-      for (size_t i = 0; i < m_pFunctions.size(); ++i)
-        m_pFunctions[i] = CPDF_Function::Load(pArray->GetDirectObjectAt(i));
-    } else {
-      m_pFunctions.push_back(CPDF_Function::Load(pFunc));
-    }
-  }
-  CPDF_Object* pCSObj = pShadingDict->GetDirectObjectFor("ColorSpace");
-  if (!pCSObj)
-    return FALSE;
-
-  CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData();
-  m_pCS = pDocPageData->GetColorSpace(pCSObj, nullptr);
-  if (m_pCS)
-    m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray());
-
-  m_ShadingType = ToShadingType(pShadingDict->GetIntegerFor("ShadingType"));
-
-  // We expect to have a stream if our shading type is a mesh.
-  if (IsMeshShading() && !ToStream(m_pShadingObj))
-    return FALSE;
-
-  return TRUE;
-}