Make StateData private

core/fpdfapi/fpdf_page/cpdf_generalstatedata.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/include/cpdf_generalstatedata.h"
-
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/fpdfapi/fpdf_render/render_int.h"
-
-namespace {
-
-static int GetBlendTypeInternal(const CFX_ByteStringC& mode) {
-  switch (mode.GetID()) {
-    case FXBSTR_ID('N', 'o', 'r', 'm'):
-    case FXBSTR_ID('C', 'o', 'm', 'p'):
-      return FXDIB_BLEND_NORMAL;
-    case FXBSTR_ID('M', 'u', 'l', 't'):
-      return FXDIB_BLEND_MULTIPLY;
-    case FXBSTR_ID('S', 'c', 'r', 'e'):
-      return FXDIB_BLEND_SCREEN;
-    case FXBSTR_ID('O', 'v', 'e', 'r'):
-      return FXDIB_BLEND_OVERLAY;
-    case FXBSTR_ID('D', 'a', 'r', 'k'):
-      return FXDIB_BLEND_DARKEN;
-    case FXBSTR_ID('L', 'i', 'g', 'h'):
-      return FXDIB_BLEND_LIGHTEN;
-    case FXBSTR_ID('C', 'o', 'l', 'o'):
-      if (mode.GetLength() == 10)
-        return FXDIB_BLEND_COLORDODGE;
-
-      if (mode.GetLength() == 9)
-        return FXDIB_BLEND_COLORBURN;
-
-      return FXDIB_BLEND_COLOR;
-    case FXBSTR_ID('H', 'a', 'r', 'd'):
-      return FXDIB_BLEND_HARDLIGHT;
-    case FXBSTR_ID('S', 'o', 'f', 't'):
-      return FXDIB_BLEND_SOFTLIGHT;
-    case FXBSTR_ID('D', 'i', 'f', 'f'):
-      return FXDIB_BLEND_DIFFERENCE;
-    case FXBSTR_ID('E', 'x', 'c', 'l'):
-      return FXDIB_BLEND_EXCLUSION;
-    case FXBSTR_ID('H', 'u', 'e', 0):
-      return FXDIB_BLEND_HUE;
-    case FXBSTR_ID('S', 'a', 't', 'u'):
-      return FXDIB_BLEND_SATURATION;
-    case FXBSTR_ID('L', 'u', 'm', 'i'):
-      return FXDIB_BLEND_LUMINOSITY;
-  }
-  return FXDIB_BLEND_NORMAL;
-}
-
-}  // namespace
-
-CPDF_GeneralStateData::CPDF_GeneralStateData() {
-  FXSYS_memset(this, 0, sizeof(CPDF_GeneralStateData));
-  FXSYS_strcpy((FX_CHAR*)m_BlendMode, "Normal");
-  m_StrokeAlpha = 1.0f;
-  m_FillAlpha = 1.0f;
-  m_Flatness = 1.0f;
-  m_Matrix.SetIdentity();
-}
-
-CPDF_GeneralStateData::CPDF_GeneralStateData(const CPDF_GeneralStateData& src) {
-  FXSYS_memcpy(this, &src, sizeof(CPDF_GeneralStateData));
-  if (src.m_pTransferFunc && src.m_pTransferFunc->m_pPDFDoc) {
-    CPDF_DocRenderData* pDocCache =
-        src.m_pTransferFunc->m_pPDFDoc->GetRenderData();
-    if (!pDocCache)
-      return;
-
-    m_pTransferFunc = pDocCache->GetTransferFunc(m_pTR);
-  }
-}
-
-CPDF_GeneralStateData::~CPDF_GeneralStateData() {
-  if (m_pTransferFunc && m_pTransferFunc->m_pPDFDoc) {
-    CPDF_DocRenderData* pDocCache = m_pTransferFunc->m_pPDFDoc->GetRenderData();
-    if (!pDocCache)
-      return;
-
-    pDocCache->ReleaseTransferFunc(m_pTR);
-  }
-}
-
-void CPDF_GeneralStateData::SetBlendMode(const CFX_ByteStringC& blend_mode) {
-  if (blend_mode.GetLength() > 15) {
-    return;
-  }
-  FXSYS_memcpy(m_BlendMode, blend_mode.raw_str(), blend_mode.GetLength());
-  m_BlendMode[blend_mode.GetLength()] = 0;
-  m_BlendType = GetBlendTypeInternal(blend_mode);
-}