Code change to avoid signed/unsigned mismatch warnings

core/fpdfapi/fpdf_page/pageint.h

 // Copyright 2014 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_FPDF_PAGE_PAGEINT_H_
 #define CORE_FPDFAPI_FPDF_PAGE_PAGEINT_H_
 
 #include <map>
@@ skipping 369 matching lines @@
   enum class Type {
     kType0Sampled,
     kType2ExpotentialInterpolation,
     kType3Stitching,
     kType4PostScript,
   };
 
   static CPDF_Function* Load(CPDF_Object* pFuncObj);
   virtual ~CPDF_Function();
   FX_BOOL Call(FX_FLOAT* inputs,
-               int ninputs,
+               uint32_t ninputs,
                FX_FLOAT* results,
                int& nresults) const;
-  int CountInputs() const { return m_nInputs; }
-  int CountOutputs() const { return m_nOutputs; }
+  uint32_t CountInputs() const { return m_nInputs; }
+  uint32_t CountOutputs() const { return m_nOutputs; }
   FX_FLOAT GetDomain(int i) const { return m_pDomains[i]; }
   Type GetType() const { return m_Type; }
 
  protected:
   CPDF_Function(Type type);
   FX_BOOL Init(CPDF_Object* pObj);
   virtual FX_BOOL v_Init(CPDF_Object* pObj) = 0;
   virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const = 0;
 
-  int m_nInputs;
-  int m_nOutputs;
+  uint32_t m_nInputs;
+  uint32_t m_nOutputs;
   FX_FLOAT* m_pDomains;
   FX_FLOAT* m_pRanges;
   Type m_Type;
 };
 
 class CPDF_ExpIntFunc : public CPDF_Function {
  public:
   CPDF_ExpIntFunc();
   ~CPDF_ExpIntFunc() override;
 
   // CPDF_Function
   FX_BOOL v_Init(CPDF_Object* pObj) override;
   FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
 
-  int m_nOrigOutputs;
+  uint32_t m_nOrigOutputs;
   FX_FLOAT m_Exponent;
   FX_FLOAT* m_pBeginValues;
   FX_FLOAT* m_pEndValues;
 };
 
 class CPDF_StitchFunc : public CPDF_Function {
  public:
   CPDF_StitchFunc();
   ~CPDF_StitchFunc() override;
 
   // CPDF_Function
   FX_BOOL v_Init(CPDF_Object* pObj) override;
   FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
 
   std::vector<CPDF_Function*> m_pSubFunctions;
   FX_FLOAT* m_pBounds;
   FX_FLOAT* m_pEncode;
 
-  static const int kRequiredNumInputs = 1;
+  static const uint32_t kRequiredNumInputs = 1;
 };
 
 class CPDF_IccProfile {
  public:
   CPDF_IccProfile(const uint8_t* pData, uint32_t dwSize);
   ~CPDF_IccProfile();
   uint32_t GetComponents() const { return m_nSrcComponents; }
   FX_BOOL m_bsRGB;
   void* m_pTransform;
 
@@ skipping 52 matching lines @@
   CPDF_Pattern* m_pPattern;
   CPDF_CountedPattern* m_pCountedPattern;
   int m_nComps;
   FX_FLOAT m_Comps[MAX_PATTERN_COLORCOMPS];
 };
 
 void PDF_ReplaceAbbr(CPDF_Object* pObj);
 bool IsPathOperator(const uint8_t* buf, size_t len);
 
 #endif  // CORE_FPDFAPI_FPDF_PAGE_PAGEINT_H_