cpdf_renderoptions.h

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// Copyright 2016 The PDFium Authors
// 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
 
#ifndef CORE_FPDFAPI_RENDER_CPDF_RENDEROPTIONS_H_
#define CORE_FPDFAPI_RENDER_CPDF_RENDEROPTIONS_H_
 
#include <stdint.h>
 
#include "core/fpdfapi/page/cpdf_occontext.h"
#include "core/fpdfapi/page/cpdf_pageobject.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxge/dib/fx_dib.h"
 
class CPDF_Dictionary;
 
class CPDF_RenderOptions {
 public:
  enum Type : uint8_t { kNormal = 0, kGray, kAlpha, kForcedColor };
 
  struct Options {
    Options();
    Options(const Options& rhs);
    Options& operator=(const Options& rhs);
 
    bool bClearType = false;
    bool bNoNativeText = false;
    bool bForceHalftone = false;
    bool bRectAA = false;
    bool bBreakForMasks = false;
    bool bNoTextSmooth = false;
    bool bNoPathSmooth = false;
    bool bNoImageSmooth = false;
    bool bLimitedImageCache = false;
    bool bConvertFillToStroke = false;
  };
 
  struct ColorScheme {
    FX_ARGB path_fill_color;
    FX_ARGB path_stroke_color;
    FX_ARGB text_fill_color;
    FX_ARGB text_stroke_color;
  };
 
  CPDF_RenderOptions();
  CPDF_RenderOptions(const CPDF_RenderOptions& rhs);
  ~CPDF_RenderOptions();
 
  FX_ARGB TranslateColor(FX_ARGB argb) const;
  FX_ARGB TranslateObjectFillColor(FX_ARGB argb,
                                   CPDF_PageObject::Type object_type) const;
  FX_ARGB TranslateObjectStrokeColor(FX_ARGB argb,
                                     CPDF_PageObject::Type object_type) const;
 
  void SetColorScheme(const ColorScheme& color_scheme) {
    m_ColorScheme = color_scheme;
  }
 
  void SetColorMode(Type mode) { m_ColorMode = mode; }
  bool ColorModeIs(Type mode) const { return m_ColorMode == mode; }
 
  const Options& GetOptions() const { return m_Options; }
  Options& GetOptions() { return m_Options; }
 
  uint32_t GetCacheSizeLimit() const;
  bool CheckOCGDictVisible(const CPDF_Dictionary* pOC) const;
  bool CheckPageObjectVisible(const CPDF_PageObject* pPageObj) const;
 
  void SetDrawAnnots(bool draw) { m_bDrawAnnots = draw; }
  bool GetDrawAnnots() const { return m_bDrawAnnots; }
 
  void SetOCContext(RetainPtr<CPDF_OCContext> context) {
    m_pOCContext = context;
  }
 
 private:
  Type m_ColorMode = kNormal;
  bool m_bDrawAnnots = false;
  Options m_Options;
  ColorScheme m_ColorScheme = {};
  RetainPtr<CPDF_OCContext> m_pOCContext;
};
 
#endif  // CORE_FPDFAPI_RENDER_CPDF_RENDEROPTIONS_H_