64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
// Copyright 2016 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FGAS_GRAPHICS_CFGAS_GESHADING_H_
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#define XFA_FGAS_GRAPHICS_CFGAS_GESHADING_H_
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#include <stddef.h>
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#include "core/fxcrt/fx_coordinates.h"
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#include "core/fxge/dib/fx_dib.h"
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class CFGAS_GEShading final {
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public:
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enum class Type { kAxial = 1, kRadial };
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static constexpr size_t kSteps = 256;
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// Axial shading.
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CFGAS_GEShading(const CFX_PointF& beginPoint,
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const CFX_PointF& endPoint,
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bool isExtendedBegin,
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bool isExtendedEnd,
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FX_ARGB beginArgb,
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FX_ARGB endArgb);
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// Radial shading.
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CFGAS_GEShading(const CFX_PointF& beginPoint,
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const CFX_PointF& endPoint,
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float beginRadius,
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float endRadius,
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bool isExtendedBegin,
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bool isExtendedEnd,
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FX_ARGB beginArgb,
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FX_ARGB endArgb);
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~CFGAS_GEShading();
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Type GetType() const { return m_type; }
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CFX_PointF GetBeginPoint() const { return m_beginPoint; }
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CFX_PointF GetEndPoint() const { return m_endPoint; }
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float GetBeginRadius() const { return m_beginRadius; }
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float GetEndRadius() const { return m_endRadius; }
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bool IsExtendedBegin() const { return m_isExtendedBegin; }
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bool IsExtendedEnd() const { return m_isExtendedEnd; }
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FX_ARGB GetArgb(size_t index) const { return m_argbArray[index]; }
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private:
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void InitArgbArray(FX_ARGB beginArgb, FX_ARGB endArgb);
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const Type m_type;
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const CFX_PointF m_beginPoint;
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const CFX_PointF m_endPoint;
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const float m_beginRadius;
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const float m_endRadius;
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const bool m_isExtendedBegin;
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const bool m_isExtendedEnd;
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FX_ARGB m_argbArray[kSteps];
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};
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#endif // XFA_FGAS_GRAPHICS_CFGAS_GESHADING_H_
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