| // Copyright 2017 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_PAGE_CPDF_EXPINTFUNC_H_ |
| #define CORE_FPDFAPI_PAGE_CPDF_EXPINTFUNC_H_ |
| |
| #include "core/fpdfapi/page/cpdf_function.h" |
| #include "core/fxcrt/data_vector.h" |
| |
| #if defined(_SKIA_SUPPORT_) |
| #include "third_party/base/containers/span.h" |
| #endif |
| |
| class CPDF_ExpIntFunc final : public CPDF_Function { |
| public: |
| CPDF_ExpIntFunc(); |
| ~CPDF_ExpIntFunc() override; |
| |
| // CPDF_Function: |
| bool v_Init(const CPDF_Object* pObj, VisitedSet* pVisited) override; |
| bool v_Call(pdfium::span<const float> inputs, |
| pdfium::span<float> results) const override; |
| |
| uint32_t GetOrigOutputs() const { return m_nOrigOutputs; } |
| float GetExponent() const { return m_Exponent; } |
| |
| #if defined(_SKIA_SUPPORT_) |
| pdfium::span<const float> GetBeginValues() const { return m_BeginValues; } |
| pdfium::span<const float> GetEndValues() const { return m_EndValues; } |
| #endif |
| |
| private: |
| uint32_t m_nOrigOutputs = 0; |
| float m_Exponent = 0.0f; |
| DataVector<float> m_BeginValues; |
| DataVector<float> m_EndValues; |
| }; |
| |
| #endif // CORE_FPDFAPI_PAGE_CPDF_EXPINTFUNC_H_ |