1 files changed, 37 insertions, 0 deletions
diff --git a/core/fpdfapi/page/cpdf_stitchfunc.h b/core/fpdfapi/page/cpdf_stitchfunc.h
new file mode 100644
index 0000000000..69e5e41041
--- /dev/null
+++ b/core/fpdfapi/page/cpdf_stitchfunc.h
@@ -0,0 +1,37 @@
+// Copyright 2017 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 CORE_FPDFAPI_PAGE_CPDF_STITCHFUNC_H_
+#define CORE_FPDFAPI_PAGE_CPDF_STITCHFUNC_H_
+
+#include <memory>
+#include <vector>
+
+#include "core/fpdfapi/page/cpdf_function.h"
+
+class CPDF_StitchFunc : public CPDF_Function {
+ public:
+  CPDF_StitchFunc();
+  ~CPDF_StitchFunc() override;
+
+  // CPDF_Function
+  bool v_Init(CPDF_Object* pObj) override;
+  bool v_Call(float* inputs, float* results) const override;
+
+  const std::vector<std::unique_ptr<CPDF_Function>>& GetSubFunctions() const {
+    return m_pSubFunctions;
+  }
+  float GetBound(size_t i) const { return m_pBounds[i]; }
+
+ private:
+  std::vector<std::unique_ptr<CPDF_Function>> m_pSubFunctions;
+  float* m_pBounds;
+  float* m_pEncode;
+
+  static const uint32_t kRequiredNumInputs = 1;
+};
+
+#endif  // CORE_FPDFAPI_PAGE_CPDF_STITCHFUNC_H_