clang-format all pdfium code.

public/fpdfview.h

Index: public/fpdfview.h
diff --git a/public/fpdfview.h b/public/fpdfview.h
index eab37394e6a0a6b6e99d077b37b126dda9f593b7..837922641127a69bb3bdd561e58f628eef258106 100644
--- a/public/fpdfview.h
+++ b/public/fpdfview.h
@@ -20,7 +20,7 @@ typedef void* FPDF_MODULEMGR;
 // PDF types
 typedef void* FPDF_DOCUMENT;
 typedef void* FPDF_PAGE;
-typedef void* FPDF_PAGEOBJECT;    // Page object(text, path, etc)
+typedef void* FPDF_PAGEOBJECT;  // Page object(text, path, etc)
 typedef void* FPDF_PATH;
 typedef void* FPDF_CLIPPATH;
 typedef void* FPDF_BITMAP;
@@ -44,26 +44,32 @@ typedef float FS_FLOAT;
 
 // Duplex types
 typedef enum _FPDF_DUPLEXTYPE_ {
-    DuplexUndefined = 0,
-    Simplex,
-    DuplexFlipShortEdge,
-    DuplexFlipLongEdge
+  DuplexUndefined = 0,
+  Simplex,
+  DuplexFlipShortEdge,
+  DuplexFlipLongEdge
 } FPDF_DUPLEXTYPE;
 
 // String types
 typedef unsigned short FPDF_WCHAR;
 typedef unsigned char const* FPDF_LPCBYTE;
 
-// FPDFSDK may use three types of strings: byte string, wide string (UTF-16LE encoded), and platform dependent string
+// FPDFSDK may use three types of strings: byte string, wide string (UTF-16LE
+// encoded), and platform dependent string
 typedef const char* FPDF_BYTESTRING;
 
-typedef const unsigned short* FPDF_WIDESTRING;        // Foxit PDF SDK always use UTF-16LE encoding wide string,
-                                                      // each character use 2 bytes (except surrogation), with low byte first.
+typedef const unsigned short*
+    FPDF_WIDESTRING;  // Foxit PDF SDK always use UTF-16LE encoding wide string,
+// each character use 2 bytes (except surrogation), with low byte first.
 
-// For Windows programmers: for most case it's OK to treat FPDF_WIDESTRING as Windows unicode string,
-//       however, special care needs to be taken if you expect to process Unicode larger than 0xffff.
-// For Linux/Unix programmers: most compiler/library environment uses 4 bytes for a Unicode character,
-//      you have to convert between FPDF_WIDESTRING and system wide string by yourself.
+// For Windows programmers: for most case it's OK to treat FPDF_WIDESTRING as
+// Windows unicode string,
+//       however, special care needs to be taken if you expect to process
+//       Unicode larger than 0xffff.
+// For Linux/Unix programmers: most compiler/library environment uses 4 bytes
+// for a Unicode character,
+//      you have to convert between FPDF_WIDESTRING and system wide string by
+//      yourself.
 
 #ifdef _WIN32_WCE
 typedef const unsigned short* FPDF_STRING;
@@ -72,36 +78,34 @@ typedef const char* FPDF_STRING;
 #endif
 
 /** @brief Matrix for transformation. */
-typedef struct _FS_MATRIX_
-{
-    float   a;  /**< @brief Coefficient a.*/
-    float   b;  /**< @brief Coefficient b.*/
-    float   c;  /**< @brief Coefficient c.*/
-    float   d;  /**< @brief Coefficient d.*/
-    float   e;  /**< @brief Coefficient e.*/
-    float   f;  /**< @brief Coefficient f.*/
+typedef struct _FS_MATRIX_ {
+  float a; /**< @brief Coefficient a.*/
+  float b; /**< @brief Coefficient b.*/
+  float c; /**< @brief Coefficient c.*/
+  float d; /**< @brief Coefficient d.*/
+  float e; /**< @brief Coefficient e.*/
+  float f; /**< @brief Coefficient f.*/
 } FS_MATRIX;
 
 /** @brief Rectangle area(float) in device or page coordination system. */
-typedef struct _FS_RECTF_
-{
-    /**@{*/
-    /** @brief The x-coordinate of the left-top corner. */
-    float   left;
-    /** @brief The y-coordinate of the left-top corner. */
-    float   top;
-    /** @brief The x-coordinate of the right-bottom corner. */
-    float   right;
-    /** @brief The y-coordinate of the right-bottom corner. */
-    float   bottom;
-    /**@}*/
-}* FS_LPRECTF, FS_RECTF;
+typedef struct _FS_RECTF_ {
+  /**@{*/
+  /** @brief The x-coordinate of the left-top corner. */
+  float left;
+  /** @brief The y-coordinate of the left-top corner. */
+  float top;
+  /** @brief The x-coordinate of the right-bottom corner. */
+  float right;
+  /** @brief The y-coordinate of the right-bottom corner. */
+  float bottom;
+  /**@}*/
+} * FS_LPRECTF, FS_RECTF;
 /** @brief Const Pointer to ::FS_RECTF structure.*/
 typedef const FS_RECTF* FS_LPCRECTF;
 
 #if defined(_WIN32) && defined(FPDFSDK_EXPORTS)
 // On Windows system, functions are exported in a DLL
-#define DLLEXPORT __declspec( dllexport )
+#define DLLEXPORT __declspec(dllexport)
 #define STDCALL __stdcall
 #else
 #define DLLEXPORT
@@ -120,7 +124,8 @@ extern "C" {
 // Return value:
 //          None.
 // Comments:
-//          You have to call this function before you can call any PDF processing functions.
+//          You have to call this function before you can call any PDF
+//          processing functions.
 DLLEXPORT void STDCALL FPDF_InitLibrary();
 
 // Function: FPDF_DestroyLibary
@@ -130,21 +135,25 @@ DLLEXPORT void STDCALL FPDF_InitLibrary();
 // Return value:
 //          None.
 // Comments:
-//          You can call this function to release all memory blocks allocated by the library.
-//          After this function called, you should not call any PDF processing functions.
+//          You can call this function to release all memory blocks allocated by
+//          the library.
+//          After this function called, you should not call any PDF processing
+//          functions.
 DLLEXPORT void STDCALL FPDF_DestroyLibrary();
 
-//Policy for accessing the local machine time.
-#define FPDF_POLICY_MACHINETIME_ACCESS  0
+// Policy for accessing the local machine time.
+#define FPDF_POLICY_MACHINETIME_ACCESS 0
 
 // Function: FPDF_SetSandBoxPolicy
 //          Set the policy for the sandbox environment.
 // Parameters:
-//          policy      -   The specified policy for setting, for example:FPDF_POLICY_MACHINETIME_ACCESS.
+//          policy      -   The specified policy for setting, for
+//          example:FPDF_POLICY_MACHINETIME_ACCESS.
 //          enable      -   True for enable, False for disable the policy.
 // Return value:
 //          None.
-DLLEXPORT void  STDCALL FPDF_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enable);
+DLLEXPORT void STDCALL FPDF_SetSandBoxPolicy(FPDF_DWORD policy,
+                                             FPDF_BOOL enable);
 
 // Function: FPDF_LoadDocument
 //          Open and load a PDF document.
@@ -159,7 +168,7 @@ DLLEXPORT void  STDCALL FPDF_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enabl
 //          If this function fails, you can use FPDF_GetLastError() to retrieve
 //          the reason why it failed.
 DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadDocument(FPDF_STRING file_path,
-    FPDF_BYTESTRING password);
+                                                  FPDF_BYTESTRING password);
 
 // Function: FPDF_LoadMemDocument
 //          Open and load a PDF document from memory.
@@ -177,23 +186,28 @@ DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadDocument(FPDF_STRING file_path,
 //          the reason why it fails.
 //
 DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadMemDocument(const void* data_buf,
-                                            int size, FPDF_BYTESTRING password);
+                                                     int size,
+                                                     FPDF_BYTESTRING password);
 
 // Structure for custom file access.
 typedef struct {
-    // File length, in bytes.
-    unsigned long   m_FileLen;
-
-    // A function pointer for getting a block of data from specific position.
-    // Position is specified by byte offset from beginning of the file.
-    // The position and size will never go out range of file length.
-    // It may be possible for FPDFSDK to call this function multiple times for same position.
-    // Return value: should be non-zero if successful, zero for error.
-    int             (*m_GetBlock)(void* param, unsigned long position, unsigned char* pBuf, unsigned long size);
-
-    // A custom pointer for all implementation specific data.
-    // This pointer will be used as the first parameter to m_GetBlock callback.
-    void*           m_Param;
+  // File length, in bytes.
+  unsigned long m_FileLen;
+
+  // A function pointer for getting a block of data from specific position.
+  // Position is specified by byte offset from beginning of the file.
+  // The position and size will never go out range of file length.
+  // It may be possible for FPDFSDK to call this function multiple times for
+  // same position.
+  // Return value: should be non-zero if successful, zero for error.
+  int (*m_GetBlock)(void* param,
+                    unsigned long position,
+                    unsigned char* pBuf,
+                    unsigned long size);
+
+  // A custom pointer for all implementation specific data.
+  // This pointer will be used as the first parameter to m_GetBlock callback.
+  void* m_Param;
 } FPDF_FILEACCESS;
 
 // Function: FPDF_LoadCustomDocument
@@ -204,29 +218,33 @@ typedef struct {
 // Return value:
 //          A handle to the loaded document. If failed, NULL is returned.
 // Comments:
-//          The application should maintain the file resources being valid until the PDF document close.
+//          The application should maintain the file resources being valid until
+//          the PDF document close.
 //          Loaded document can be closed by FPDF_CloseDocument.
-DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAccess,
-                                                        FPDF_BYTESTRING password);
+DLLEXPORT FPDF_DOCUMENT STDCALL
+FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAccess, FPDF_BYTESTRING password);
 
 // Function: FPDF_GetFileVersion
 //          Get the file version of the specific PDF document.
 // Parameters:
 //          doc         -   Handle to document.
-//          fileVersion -   The PDF file version. File version: 14 for 1.4, 15 for 1.5, ...
+//          fileVersion -   The PDF file version. File version: 14 for 1.4, 15
+//          for 1.5, ...
 // Return value:
 //          TRUE if this call succeed, If failed, FALSE is returned.
 // Comments:
-//          If the document is created by function ::FPDF_CreateNewDocument, then this function would always fail.
-DLLEXPORT FPDF_BOOL STDCALL FPDF_GetFileVersion(FPDF_DOCUMENT doc, int* fileVersion);
-
-#define FPDF_ERR_SUCCESS        0       // No error.
-#define FPDF_ERR_UNKNOWN        1       // Unknown error.
-#define FPDF_ERR_FILE           2       // File not found or could not be opened.
-#define FPDF_ERR_FORMAT         3       // File not in PDF format or corrupted.
-#define FPDF_ERR_PASSWORD       4       // Password required or incorrect password.
-#define FPDF_ERR_SECURITY       5       // Unsupported security scheme.
-#define FPDF_ERR_PAGE           6       // Page not found or content error.
+//          If the document is created by function ::FPDF_CreateNewDocument,
+//          then this function would always fail.
+DLLEXPORT FPDF_BOOL STDCALL FPDF_GetFileVersion(FPDF_DOCUMENT doc,
+                                                int* fileVersion);
+
+#define FPDF_ERR_SUCCESS 0   // No error.
+#define FPDF_ERR_UNKNOWN 1   // Unknown error.
+#define FPDF_ERR_FILE 2      // File not found or could not be opened.
+#define FPDF_ERR_FORMAT 3    // File not in PDF format or corrupted.
+#define FPDF_ERR_PASSWORD 4  // Password required or incorrect password.
+#define FPDF_ERR_SECURITY 5  // Unsupported security scheme.
+#define FPDF_ERR_PAGE 6      // Page not found or content error.
 
 // Function: FPDF_GetLastError
 //          Get last error code when an SDK function failed.
@@ -235,7 +253,8 @@ DLLEXPORT FPDF_BOOL STDCALL FPDF_GetFileVersion(FPDF_DOCUMENT doc, int* fileVers
 // Return value:
 //          A 32-bit integer indicating error codes (defined above).
 // Comments:
-//          If the previous SDK call succeeded, the return value of this function
+//          If the previous SDK call succeeded, the return value of this
+//          function
 //          is not defined.
 //
 DLLEXPORT unsigned long STDCALL FPDF_GetLastError();
@@ -243,27 +262,34 @@ DLLEXPORT unsigned long STDCALL FPDF_GetLastError();
 // Function: FPDF_GetDocPermission
 //          Get file permission flags of the document.
 // Parameters:
-//          document    -   Handle to document. Returned by FPDF_LoadDocument function.
+//          document    -   Handle to document. Returned by FPDF_LoadDocument
+//          function.
 // Return value:
-//          A 32-bit integer indicating permission flags. Please refer to PDF Reference for
-//          detailed description. If the document is not protected, 0xffffffff will be returned.
+//          A 32-bit integer indicating permission flags. Please refer to PDF
+//          Reference for
+//          detailed description. If the document is not protected, 0xffffffff
+//          will be returned.
 //
 DLLEXPORT unsigned long STDCALL FPDF_GetDocPermissions(FPDF_DOCUMENT document);
 
 // Function: FPDF_GetSecurityHandlerRevision
 //          Get the revision for security handler.
 // Parameters:
-//          document    -   Handle to document. Returned by FPDF_LoadDocument function.
+//          document    -   Handle to document. Returned by FPDF_LoadDocument
+//          function.
 // Return value:
-//          The security handler revision number. Please refer to PDF Reference for
-//          detailed description. If the document is not protected, -1 will be returned.
+//          The security handler revision number. Please refer to PDF Reference
+//          for
+//          detailed description. If the document is not protected, -1 will be
+//          returned.
 //
 DLLEXPORT int STDCALL FPDF_GetSecurityHandlerRevision(FPDF_DOCUMENT document);
 
 // Function: FPDF_GetPageCount
 //          Get total number of pages in a document.
 // Parameters:
-//          document    -   Handle to document. Returned by FPDF_LoadDocument function.
+//          document    -   Handle to document. Returned by FPDF_LoadDocument
+//          function.
 // Return value:
 //          Total number of pages in the document.
 //
@@ -272,20 +298,24 @@ DLLEXPORT int STDCALL FPDF_GetPageCount(FPDF_DOCUMENT document);
 // Function: FPDF_LoadPage
 //          Load a page inside a document.
 // Parameters:
-//          document    -   Handle to document. Returned by FPDF_LoadDocument function.
+//          document    -   Handle to document. Returned by FPDF_LoadDocument
+//          function.
 //          page_index  -   Index number of the page. 0 for the first page.
 // Return value:
 //          A handle to the loaded page. If failed, NULL is returned.
 // Comments:
-//          Loaded page can be rendered to devices using FPDF_RenderPage function.
+//          Loaded page can be rendered to devices using FPDF_RenderPage
+//          function.
 //          Loaded page can be closed by FPDF_ClosePage.
 //
-DLLEXPORT FPDF_PAGE STDCALL FPDF_LoadPage(FPDF_DOCUMENT document, int page_index);
+DLLEXPORT FPDF_PAGE STDCALL FPDF_LoadPage(FPDF_DOCUMENT document,
+                                          int page_index);
 
 // Function: FPDF_GetPageWidth
 //          Get page width.
 // Parameters:
-//          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+//          page        -   Handle to the page. Returned by FPDF_LoadPage
+//          function.
 // Return value:
 //          Page width (excluding non-displayable area) measured in points.
 //          One point is 1/72 inch (around 0.3528 mm).
@@ -295,7 +325,8 @@ DLLEXPORT double STDCALL FPDF_GetPageWidth(FPDF_PAGE page);
 // Function: FPDF_GetPageHeight
 //          Get page height.
 // Parameters:
-//          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+//          page        -   Handle to the page. Returned by FPDF_LoadPage
+//          function.
 // Return value:
 //          Page height (excluding non-displayable area) measured in points.
 //          One point is 1/72 inch (around 0.3528 mm)
@@ -305,70 +336,109 @@ DLLEXPORT double STDCALL FPDF_GetPageHeight(FPDF_PAGE page);
 // Function: FPDF_GetPageSizeByIndex
 //          Get the size of a page by index.
 // Parameters:
-//          document    -   Handle to document. Returned by FPDF_LoadDocument function.
+//          document    -   Handle to document. Returned by FPDF_LoadDocument
+//          function.
 //          page_index  -   Page index, zero for the first page.
-//          width       -   Pointer to a double value receiving the page width (in points).
-//          height      -   Pointer to a double value receiving the page height (in points).
+//          width       -   Pointer to a double value receiving the page width
+//          (in points).
+//          height      -   Pointer to a double value receiving the page height
+//          (in points).
 // Return value:
 //          Non-zero for success. 0 for error (document or page not found).
 //
-DLLEXPORT int STDCALL FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document, int page_index, double* width, double* height);
+DLLEXPORT int STDCALL FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document,
+                                              int page_index,
+                                              double* width,
+                                              double* height);
 
 // Page rendering flags. They can be combined with bit OR.
-#define FPDF_ANNOT          0x01        // Set if annotations are to be rendered.
-#define FPDF_LCD_TEXT       0x02        // Set if using text rendering optimized for LCD display.
-#define FPDF_NO_NATIVETEXT  0x04        // Don't use the native text output available on some platforms
-#define FPDF_GRAYSCALE      0x08        // Grayscale output.
-#define FPDF_DEBUG_INFO     0x80        // Set if you want to get some debug info.
-                                        // Please discuss with Foxit first if you need to collect debug info.
-#define FPDF_NO_CATCH       0x100       // Set if you don't want to catch exception.
-#define FPDF_RENDER_LIMITEDIMAGECACHE   0x200   // Limit image cache size.
-#define FPDF_RENDER_FORCEHALFTONE       0x400   // Always use halftone for image stretching.
-#define FPDF_PRINTING       0x800   // Render for printing.
-#define FPDF_RENDER_NO_SMOOTHTEXT   0x1000  // Set to disable anti-aliasing on text.
-#define FPDF_RENDER_NO_SMOOTHIMAGE  0x2000  // Set to disable anti-aliasing on images.
-#define FPDF_RENDER_NO_SMOOTHPATH   0x4000  // Set to disable anti-aliasing on paths.
-#define FPDF_REVERSE_BYTE_ORDER     0x10        //set whether render in a reverse Byte order, this flag only
-                                                //enable when render to a bitmap.
+#define FPDF_ANNOT 0x01  // Set if annotations are to be rendered.
+#define FPDF_LCD_TEXT \
+  0x02  // Set if using text rendering optimized for LCD display.
+#define FPDF_NO_NATIVETEXT \
+  0x04  // Don't use the native text output available on some platforms
+#define FPDF_GRAYSCALE 0x08   // Grayscale output.
+#define FPDF_DEBUG_INFO 0x80  // Set if you want to get some debug info.
+// Please discuss with Foxit first if you need to collect debug info.
+#define FPDF_NO_CATCH 0x100  // Set if you don't want to catch exception.
+#define FPDF_RENDER_LIMITEDIMAGECACHE 0x200  // Limit image cache size.
+#define FPDF_RENDER_FORCEHALFTONE \
+  0x400                      // Always use halftone for image stretching.
+#define FPDF_PRINTING 0x800  // Render for printing.
+#define FPDF_RENDER_NO_SMOOTHTEXT \
+  0x1000  // Set to disable anti-aliasing on text.
+#define FPDF_RENDER_NO_SMOOTHIMAGE \
+  0x2000  // Set to disable anti-aliasing on images.
+#define FPDF_RENDER_NO_SMOOTHPATH \
+  0x4000  // Set to disable anti-aliasing on paths.
+#define FPDF_REVERSE_BYTE_ORDER \
+  0x10  // set whether render in a reverse Byte order, this flag only
+// enable when render to a bitmap.
 #ifdef _WIN32
 // Function: FPDF_RenderPage
 //          Render contents in a page to a device (screen, bitmap, or printer).
 //          This function is only supported on Windows system.
 // Parameters:
 //          dc          -   Handle to device context.
-//          page        -   Handle to the page. Returned by FPDF_LoadPage function.
-//          start_x     -   Left pixel position of the display area in the device coordinate.
-//          start_y     -   Top pixel position of the display area in the device coordinate.
+//          page        -   Handle to the page. Returned by FPDF_LoadPage
+//          function.
+//          start_x     -   Left pixel position of the display area in the
+//          device coordinate.
+//          start_y     -   Top pixel position of the display area in the device
+//          coordinate.
 //          size_x      -   Horizontal size (in pixels) for displaying the page.
 //          size_y      -   Vertical size (in pixels) for displaying the page.
-//          rotate      -   Page orientation: 0 (normal), 1 (rotated 90 degrees clockwise),
-//                              2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise).
-//          flags       -   0 for normal display, or combination of flags defined above.
+//          rotate      -   Page orientation: 0 (normal), 1 (rotated 90 degrees
+//          clockwise),
+//                              2 (rotated 180 degrees), 3 (rotated 90 degrees
+//                              counter-clockwise).
+//          flags       -   0 for normal display, or combination of flags
+//          defined above.
 // Return value:
 //          None.
 //
-DLLEXPORT void STDCALL FPDF_RenderPage(HDC dc, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
-                        int rotate, int flags);
+DLLEXPORT void STDCALL FPDF_RenderPage(HDC dc,
+                                       FPDF_PAGE page,
+                                       int start_x,
+                                       int start_y,
+                                       int size_x,
+                                       int size_y,
+                                       int rotate,
+                                       int flags);
 #endif
 
 // Function: FPDF_RenderPageBitmap
 //          Render contents in a page to a device independent bitmap
 // Parameters:
-//          bitmap      -   Handle to the device independent bitmap (as the output buffer).
-//                          Bitmap handle can be created by FPDFBitmap_Create function.
-//          page        -   Handle to the page. Returned by FPDF_LoadPage function.
-//          start_x     -   Left pixel position of the display area in the bitmap coordinate.
-//          start_y     -   Top pixel position of the display area in the bitmap coordinate.
+//          bitmap      -   Handle to the device independent bitmap (as the
+//          output buffer).
+//                          Bitmap handle can be created by FPDFBitmap_Create
+//                          function.
+//          page        -   Handle to the page. Returned by FPDF_LoadPage
+//          function.
+//          start_x     -   Left pixel position of the display area in the
+//          bitmap coordinate.
+//          start_y     -   Top pixel position of the display area in the bitmap
+//          coordinate.
 //          size_x      -   Horizontal size (in pixels) for displaying the page.
 //          size_y      -   Vertical size (in pixels) for displaying the page.
-//          rotate      -   Page orientation: 0 (normal), 1 (rotated 90 degrees clockwise),
-//                              2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise).
-//          flags       -   0 for normal display, or combination of flags defined above.
+//          rotate      -   Page orientation: 0 (normal), 1 (rotated 90 degrees
+//          clockwise),
+//                              2 (rotated 180 degrees), 3 (rotated 90 degrees
+//                              counter-clockwise).
+//          flags       -   0 for normal display, or combination of flags
+//          defined above.
 // Return value:
 //          None.
 //
-DLLEXPORT void STDCALL FPDF_RenderPageBitmap(FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y,
-                        int size_x, int size_y, int rotate, int flags);
+DLLEXPORT void STDCALL FPDF_RenderPageBitmap(FPDF_BITMAP bitmap,
+                                             FPDF_PAGE page,
+                                             int start_x,
+                                             int start_y,
+                                             int size_x,
+                                             int size_y,
+                                             int rotate,
+                                             int flags);
 
 // Function: FPDF_ClosePage
 //          Close a loaded PDF page.
@@ -391,140 +461,225 @@ DLLEXPORT void STDCALL FPDF_CloseDocument(FPDF_DOCUMENT document);
 // Function: FPDF_DeviceToPage
 //          Convert the screen coordinate of a point to page coordinate.
 // Parameters:
-//          page        -   Handle to the page. Returned by FPDF_LoadPage function.
-//          start_x     -   Left pixel position of the display area in the device coordinate.
-//          start_y     -   Top pixel position of the display area in the device coordinate.
+//          page        -   Handle to the page. Returned by FPDF_LoadPage
+//          function.
+//          start_x     -   Left pixel position of the display area in the
+//          device coordinate.
+//          start_y     -   Top pixel position of the display area in the device
+//          coordinate.
 //          size_x      -   Horizontal size (in pixels) for displaying the page.
 //          size_y      -   Vertical size (in pixels) for displaying the page.
-//          rotate      -   Page orientation: 0 (normal), 1 (rotated 90 degrees clockwise),
-//                              2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise).
-//          device_x    -   X value in device coordinate, for the point to be converted.
-//          device_y    -   Y value in device coordinate, for the point to be converted.
-//          page_x      -   A Pointer to a double receiving the converted X value in page coordinate.
-//          page_y      -   A Pointer to a double receiving the converted Y value in page coordinate.
+//          rotate      -   Page orientation: 0 (normal), 1 (rotated 90 degrees
+//          clockwise),
+//                              2 (rotated 180 degrees), 3 (rotated 90 degrees
+//                              counter-clockwise).
+//          device_x    -   X value in device coordinate, for the point to be
+//          converted.
+//          device_y    -   Y value in device coordinate, for the point to be
+//          converted.
+//          page_x      -   A Pointer to a double receiving the converted X
+//          value in page coordinate.
+//          page_y      -   A Pointer to a double receiving the converted Y
+//          value in page coordinate.
 // Return value:
 //          None.
 // Comments:
-//          The page coordinate system has its origin at left-bottom corner of the page, with X axis goes along
-//          the bottom side to the right, and Y axis goes along the left side upward. NOTE: this coordinate system
-//          can be altered when you zoom, scroll, or rotate a page, however, a point on the page should always have
+//          The page coordinate system has its origin at left-bottom corner of
+//          the page, with X axis goes along
+//          the bottom side to the right, and Y axis goes along the left side
+//          upward. NOTE: this coordinate system
+//          can be altered when you zoom, scroll, or rotate a page, however, a
+//          point on the page should always have
 //          the same coordinate values in the page coordinate system.
 //
-//          The device coordinate system is device dependent. For screen device, its origin is at left-top
-//          corner of the window. However this origin can be altered by Windows coordinate transformation
-//          utilities. You must make sure the start_x, start_y, size_x, size_y and rotate parameters have exactly
+//          The device coordinate system is device dependent. For screen device,
+//          its origin is at left-top
+//          corner of the window. However this origin can be altered by Windows
+//          coordinate transformation
+//          utilities. You must make sure the start_x, start_y, size_x, size_y
+//          and rotate parameters have exactly
 //          same values as you used in FPDF_RenderPage() function call.
 //
-DLLEXPORT void STDCALL FPDF_DeviceToPage(FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
-                        int rotate, int device_x, int device_y, double* page_x, double* page_y);
+DLLEXPORT void STDCALL FPDF_DeviceToPage(FPDF_PAGE page,
+                                         int start_x,
+                                         int start_y,
+                                         int size_x,
+                                         int size_y,
+                                         int rotate,
+                                         int device_x,
+                                         int device_y,
+                                         double* page_x,
+                                         double* page_y);
 
 // Function: FPDF_PageToDevice
 //          Convert the page coordinate of a point to screen coordinate.
 // Parameters:
-//          page        -   Handle to the page. Returned by FPDF_LoadPage function.
-//          start_x     -   Left pixel position of the display area in the device coordinate.
-//          start_y     -   Top pixel position of the display area in the device coordinate.
+//          page        -   Handle to the page. Returned by FPDF_LoadPage
+//          function.
+//          start_x     -   Left pixel position of the display area in the
+//          device coordinate.
+//          start_y     -   Top pixel position of the display area in the device
+//          coordinate.
 //          size_x      -   Horizontal size (in pixels) for displaying the page.
 //          size_y      -   Vertical size (in pixels) for displaying the page.
-//          rotate      -   Page orientation: 0 (normal), 1 (rotated 90 degrees clockwise),
-//                              2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise).
-//          page_x      -   X value in page coordinate, for the point to be converted.
-//          page_y      -   Y value in page coordinate, for the point to be converted.
-//          device_x    -   A pointer to an integer receiving the result X value in device coordinate.
-//          device_y    -   A pointer to an integer receiving the result Y value in device coordinate.
+//          rotate      -   Page orientation: 0 (normal), 1 (rotated 90 degrees
+//          clockwise),
+//                              2 (rotated 180 degrees), 3 (rotated 90 degrees
+//                              counter-clockwise).
+//          page_x      -   X value in page coordinate, for the point to be
+//          converted.
+//          page_y      -   Y value in page coordinate, for the point to be
+//          converted.
+//          device_x    -   A pointer to an integer receiving the result X value
+//          in device coordinate.
+//          device_y    -   A pointer to an integer receiving the result Y value
+//          in device coordinate.
 // Return value:
 //          None.
 // Comments:
 //          See comments of FPDF_DeviceToPage() function.
 //
-DLLEXPORT void STDCALL FPDF_PageToDevice(FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
-                        int rotate, double page_x, double page_y, int* device_x, int* device_y);
+DLLEXPORT void STDCALL FPDF_PageToDevice(FPDF_PAGE page,
+                                         int start_x,
+                                         int start_y,
+                                         int size_x,
+                                         int size_y,
+                                         int rotate,
+                                         double page_x,
+                                         double page_y,
+                                         int* device_x,
+                                         int* device_y);
 
 // Function: FPDFBitmap_Create
 //          Create a Foxit Device Independent Bitmap (FXDIB).
 // Parameters:
-//          width       -   Number of pixels in a horizontal line of the bitmap. Must be greater than 0.
-//          height      -   Number of pixels in a vertical line of the bitmap. Must be greater than 0.
-//          alpha       -   A flag indicating whether alpha channel is used. Non-zero for using alpha, zero for not using.
+//          width       -   Number of pixels in a horizontal line of the bitmap.
+//          Must be greater than 0.
+//          height      -   Number of pixels in a vertical line of the bitmap.
+//          Must be greater than 0.
+//          alpha       -   A flag indicating whether alpha channel is used.
+//          Non-zero for using alpha, zero for not using.
 // Return value:
-//          The created bitmap handle, or NULL if parameter error or out of memory.
+//          The created bitmap handle, or NULL if parameter error or out of
+//          memory.
 // Comments:
-//          An FXDIB always use 4 byte per pixel. The first byte of a pixel is always double word aligned.
-//          Each pixel contains red (R), green (G), blue (B) and optionally alpha (A) values.
-//          The byte order is BGRx (the last byte unused if no alpha channel) or BGRA.
+//          An FXDIB always use 4 byte per pixel. The first byte of a pixel is
+//          always double word aligned.
+//          Each pixel contains red (R), green (G), blue (B) and optionally
+//          alpha (A) values.
+//          The byte order is BGRx (the last byte unused if no alpha channel) or
+//          BGRA.
 //
-//          The pixels in a horizontal line (also called scan line) are stored side by side, with left most
-//          pixel stored first (with lower memory address). Each scan line uses width*4 bytes.
+//          The pixels in a horizontal line (also called scan line) are stored
+//          side by side, with left most
+//          pixel stored first (with lower memory address). Each scan line uses
+//          width*4 bytes.
 //
-//          Scan lines are stored one after another, with top most scan line stored first. There is no gap
+//          Scan lines are stored one after another, with top most scan line
+//          stored first. There is no gap
 //          between adjacent scan lines.
 //
-//          This function allocates enough memory for holding all pixels in the bitmap, but it doesn't
-//          initialize the buffer. Applications can use FPDFBitmap_FillRect to fill the bitmap using any color.
-DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_Create(int width, int height, int alpha);
+//          This function allocates enough memory for holding all pixels in the
+//          bitmap, but it doesn't
+//          initialize the buffer. Applications can use FPDFBitmap_FillRect to
+//          fill the bitmap using any color.
+DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_Create(int width,
+                                                int height,
+                                                int alpha);
 
 // More DIB formats
-#define FPDFBitmap_Gray     1       // Gray scale bitmap, one byte per pixel.
-#define FPDFBitmap_BGR      2       // 3 bytes per pixel, byte order: blue, green, red.
-#define FPDFBitmap_BGRx     3       // 4 bytes per pixel, byte order: blue, green, red, unused.
-#define FPDFBitmap_BGRA     4       // 4 bytes per pixel, byte order: blue, green, red, alpha.
+#define FPDFBitmap_Gray 1  // Gray scale bitmap, one byte per pixel.
+#define FPDFBitmap_BGR 2   // 3 bytes per pixel, byte order: blue, green, red.
+#define FPDFBitmap_BGRx \
+  3  // 4 bytes per pixel, byte order: blue, green, red, unused.
+#define FPDFBitmap_BGRA \
+  4  // 4 bytes per pixel, byte order: blue, green, red, alpha.
 
 // Function: FPDFBitmap_CreateEx
 //          Create a Foxit Device Independent Bitmap (FXDIB)
 // Parameters:
-//          width       -   Number of pixels in a horizontal line of the bitmap. Must be greater than 0.
-//          height      -   Number of pixels in a vertical line of the bitmap. Must be greater than 0.
-//          format      -   A number indicating for bitmap format, as defined above.
-//          first_scan  -   A pointer to the first byte of first scan line, for external buffer
-//                          only. If this parameter is NULL, then the SDK will create its own buffer.
-//          stride      -   Number of bytes for each scan line, for external buffer only..
-// Return value:
-//          The created bitmap handle, or NULL if parameter error or out of memory.
+//          width       -   Number of pixels in a horizontal line of the bitmap.
+//          Must be greater than 0.
+//          height      -   Number of pixels in a vertical line of the bitmap.
+//          Must be greater than 0.
+//          format      -   A number indicating for bitmap format, as defined
+//          above.
+//          first_scan  -   A pointer to the first byte of first scan line, for
+//          external buffer
+//                          only. If this parameter is NULL, then the SDK will
+//                          create its own buffer.
+//          stride      -   Number of bytes for each scan line, for external
+//          buffer only..
+// Return value:
+//          The created bitmap handle, or NULL if parameter error or out of
+//          memory.
 // Comments:
-//          Similar to FPDFBitmap_Create function, with more formats and external buffer supported.
-//          Bitmap created by this function can be used in any place that a FPDF_BITMAP handle is
+//          Similar to FPDFBitmap_Create function, with more formats and
+//          external buffer supported.
+//          Bitmap created by this function can be used in any place that a
+//          FPDF_BITMAP handle is
 //          required.
 //
-//          If external scanline buffer is used, then the application should destroy the buffer
+//          If external scanline buffer is used, then the application should
+//          destroy the buffer
 //          by itself. FPDFBitmap_Destroy function will not destroy the buffer.
 //
-DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_CreateEx(int width, int height, int format, void* first_scan, int stride);
+DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_CreateEx(int width,
+                                                  int height,
+                                                  int format,
+                                                  void* first_scan,
+                                                  int stride);
 
 // Function: FPDFBitmap_FillRect
 //          Fill a rectangle area in an FXDIB.
 // Parameters:
-//          bitmap      -   The handle to the bitmap. Returned by FPDFBitmap_Create function.
-//          left        -   The left side position. Starting from 0 at the left-most pixel.
-//          top         -   The top side position. Starting from 0 at the top-most scan line.
+//          bitmap      -   The handle to the bitmap. Returned by
+//          FPDFBitmap_Create function.
+//          left        -   The left side position. Starting from 0 at the
+//          left-most pixel.
+//          top         -   The top side position. Starting from 0 at the
+//          top-most scan line.
 //          width       -   Number of pixels to be filled in each scan line.
 //          height      -   Number of scan lines to be filled.
-//          color       -   A 32-bit value specifing the color, in 8888 ARGB format.
+//          color       -   A 32-bit value specifing the color, in 8888 ARGB
+//          format.
 // Return value:
 //          None.
 // Comments:
-//          This function set the color and (optionally) alpha value in specified region of the bitmap.
-//          NOTE: If alpha channel is used, this function does NOT composite the background with the source color,
-//          instead the background will be replaced by the source color and alpha.
+//          This function set the color and (optionally) alpha value in
+//          specified region of the bitmap.
+//          NOTE: If alpha channel is used, this function does NOT composite the
+//          background with the source color,
+//          instead the background will be replaced by the source color and
+//          alpha.
 //          If alpha channel is not used, the "alpha" parameter is ignored.
 //
-DLLEXPORT void STDCALL FPDFBitmap_FillRect(FPDF_BITMAP bitmap, int left, int top, int width, int height, FPDF_DWORD color);
+DLLEXPORT void STDCALL FPDFBitmap_FillRect(FPDF_BITMAP bitmap,
+                                           int left,
+                                           int top,
+                                           int width,
+                                           int height,
+                                           FPDF_DWORD color);
 
 // Function: FPDFBitmap_GetBuffer
 //          Get data buffer of an FXDIB
 // Parameters:
-//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create function.
+//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create
+//          function.
 // Return value:
 //          The pointer to the first byte of the bitmap buffer.
 // Comments:
 //          The stride may be more than width * number of bytes per pixel
-//          Applications can use this function to get the bitmap buffer pointer, then manipulate any color
+//          Applications can use this function to get the bitmap buffer pointer,
+//          then manipulate any color
 //          and/or alpha values for any pixels in the bitmap.
 DLLEXPORT void* STDCALL FPDFBitmap_GetBuffer(FPDF_BITMAP bitmap);
 
 // Function: FPDFBitmap_GetWidth
 //          Get width of an FXDIB.
 // Parameters:
-//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create function.
+//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create
+//          function.
 // Return value:
 //          The number of pixels in a horizontal line of the bitmap.
 DLLEXPORT int STDCALL FPDFBitmap_GetWidth(FPDF_BITMAP bitmap);
@@ -532,7 +687,8 @@ DLLEXPORT int STDCALL FPDFBitmap_GetWidth(FPDF_BITMAP bitmap);
 // Function: FPDFBitmap_GetHeight
 //          Get height of an FXDIB.
 // Parameters:
-//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create function.
+//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create
+//          function.
 // Return value:
 //          The number of pixels in a vertical line of the bitmap.
 DLLEXPORT int STDCALL FPDFBitmap_GetHeight(FPDF_BITMAP bitmap);
@@ -540,7 +696,8 @@ DLLEXPORT int STDCALL FPDFBitmap_GetHeight(FPDF_BITMAP bitmap);
 // Function: FPDFBitmap_GetStride
 //          Get number of bytes for each scan line in the bitmap buffer.
 // Parameters:
-//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create function.
+//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create
+//          function.
 // Return value:
 //          The number of bytes for each scan line in the bitmap buffer.
 // Comments:
@@ -550,7 +707,8 @@ DLLEXPORT int STDCALL FPDFBitmap_GetStride(FPDF_BITMAP bitmap);
 // Function: FPDFBitmap_Destroy
 //          Destroy an FXDIB and release all related buffers.
 // Parameters:
-//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create function.
+//          bitmap      -   Handle to the bitmap. Returned by FPDFBitmap_Create
+//          function.
 // Return value:
 //          None.
 // Comments:
@@ -565,7 +723,8 @@ DLLEXPORT void STDCALL FPDFBitmap_Destroy(FPDF_BITMAP bitmap);
 // Return value:
 //          None.
 //
-DLLEXPORT FPDF_BOOL STDCALL FPDF_VIEWERREF_GetPrintScaling(FPDF_DOCUMENT document);
+DLLEXPORT FPDF_BOOL STDCALL
+FPDF_VIEWERREF_GetPrintScaling(FPDF_DOCUMENT document);
 
 // Function: FPDF_VIEWERREF_GetNumCopies
 //          Returns the number of copies to be printed.
@@ -583,16 +742,19 @@ DLLEXPORT int STDCALL FPDF_VIEWERREF_GetNumCopies(FPDF_DOCUMENT document);
 // Return value:
 //          The print page range to be used for printing.
 //
-DLLEXPORT FPDF_PAGERANGE STDCALL FPDF_VIEWERREF_GetPrintPageRange(FPDF_DOCUMENT document);
+DLLEXPORT FPDF_PAGERANGE STDCALL
+FPDF_VIEWERREF_GetPrintPageRange(FPDF_DOCUMENT document);
 
 // Function: FPDF_VIEWERREF_GetDuplex
-//          Returns the paper handling option to be used when printing from print dialog.
+//          Returns the paper handling option to be used when printing from
+//          print dialog.
 // Parameters:
 //          document    -   Handle to the loaded document.
 // Return value:
 //          The paper handling option to be used when printing.
 //
-DLLEXPORT FPDF_DUPLEXTYPE STDCALL FPDF_VIEWERREF_GetDuplex(FPDF_DOCUMENT document);
+DLLEXPORT FPDF_DUPLEXTYPE STDCALL
+FPDF_VIEWERREF_GetDuplex(FPDF_DOCUMENT document);
 
 // Function: FPDF_CountNamedDests
 //          Get the count of named destinations in the PDF document.
@@ -610,24 +772,33 @@ DLLEXPORT FPDF_DWORD STDCALL FPDF_CountNamedDests(FPDF_DOCUMENT document);
 // Return value:
 //          The handle of the dest.
 //
-DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document, FPDF_BYTESTRING name);
+DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document,
+                                                    FPDF_BYTESTRING name);
 
 // Function: FPDF_GetNamedDest
 //          Get the specified named destinations of the PDF document by index.
 // Parameters:
 //          document        -   Handle to a document
 //          index           -   The index of named destination.
-//          buffer          -   The buffer to obtain destination name, used as wchar_t*.
-//          buflen [in/out] -   Size of the buffer in bytes on input, length of the result in bytes on output or -1 if the buffer is too small.
+//          buffer          -   The buffer to obtain destination name, used as
+//          wchar_t*.
+//          buflen [in/out] -   Size of the buffer in bytes on input, length of
+//          the result in bytes on output or -1 if the buffer is too small.
 // Return value:
-//          The destination handle of a named destination, or NULL if no named destination corresponding to |index|.
+//          The destination handle of a named destination, or NULL if no named
+//          destination corresponding to |index|.
 // Comments:
 //          Call this function twice to get the name of the named destination:
 //          1) First time pass in |buffer| as NULL and get buflen.
-//          2) Second time pass in allocated |buffer| and buflen to retrieve |buffer|, which should be used as wchar_t*.
-//             If buflen is not sufficiently large, it will be set to -1 upon return.
+//          2) Second time pass in allocated |buffer| and buflen to retrieve
+//          |buffer|, which should be used as wchar_t*.
+//             If buflen is not sufficiently large, it will be set to -1 upon
+//             return.
 //
-DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document, int index, void* buffer, long* buflen);
+DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document,
+                                              int index,
+                                              void* buffer,
+                                              long* buflen);
 
 #ifdef __cplusplus
 }