xfa/fxgraphics/cxfa_gecolor.h

// 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

#ifndef XFA_FXGRAPHICS_CXFA_GECOLOR_H_
#define XFA_FXGRAPHICS_CXFA_GECOLOR_H_

#include "core/fxge/fx_dib.h"

class CXFA_GEPattern;
class CXFA_GEShading;

class CXFA_GEColor {
 public:
  enum Type { Invalid, Solid, Pattern, Shading };

  CXFA_GEColor();
  explicit CXFA_GEColor(const FX_ARGB argb);
  explicit CXFA_GEColor(CXFA_GEShading* shading);
  CXFA_GEColor(CXFA_GEPattern* pattern, const FX_ARGB argb);
  ~CXFA_GEColor();

  Type GetType() const { return m_type; }
  FX_ARGB GetArgb() const {
    ASSERT(m_type == Solid || m_type == Pattern);
    return m_argb;
  }
  CXFA_GEPattern* GetPattern() const {
    ASSERT(m_type == Pattern);
    return m_pointer.pattern;
  }
  CXFA_GEShading* GetShading() const {
    ASSERT(m_type == Shading);
    return m_pointer.shading;
  }

  CXFA_GEColor& operator=(const CXFA_GEColor& that);

 private:
  Type m_type;
  FX_ARGB m_argb;
  union {
    CXFA_GEPattern* pattern;
    CXFA_GEShading* shading;
  } m_pointer;
};

#endif  // XFA_FXGRAPHICS_CXFA_GECOLOR_H_