// Copyright (C) 2003-2026, Foxit Software Inc..
// All Rights Reserved.
//
// http://www.foxitsoftware.com
//
// The following code is copyrighted and contains proprietary information and trade secrets of Foxit Software Inc..
// You cannot distribute any part of Foxit PDF SDK to any third party or general public,
// unless there is a separate license agreement with Foxit Software Inc. which explicitly grants you such rights.
//
// This file contains an example to demonstrate how to use Foxit PDF SDK to add fillsign to PDF document.

// Include Foxit SDK header files.
#include <time.h>
#include<direct.h>
#include <stdio.h>

#include "../../../include/fs_basictypes_c.h"
#include "../../../include/fs_common_c.h"
#include "../../../include/fs_pdfdoc_c.h"
#include "../../../include/fs_pdfpage_c.h"
#include "../../../include/fs_fillsign_c.h"
#include "../../../include/fs_image_c.h"

static const char* sn = "bPxThFlBAYifO3yiW0C51bKbjPap1zHaf5aG5sX378TjFvB7Q0802A==";
static const char* key = "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";

static const wchar_t* output_path = L"../output_files/";
static const wchar_t* input_path = L"../input_files/";

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

#ifndef NULL
#define NULL (void*)0
#endif

#define MAX_FILE_PATH 260

int main(int argc, char *argv[]) {
  int err_ret = 0;
  FSErrorCode error_code = e_FSErrSuccess;
  wchar_t output_directory[MAX_FILE_PATH] = { 0 };
  wchar_t input_file[MAX_FILE_PATH] = { 0 };
  
  error_code = FSDK_Library_Initialize(sn, key);
  if (error_code != e_FSErrSuccess) {
    printf("Library Initialize Error: %d\n", error_code);
    return 1;
  }

  swprintf_s(output_directory, MAX_FILE_PATH, L"%lsfillsign/", output_path);
  _wmkdir(output_directory);


  swprintf_s(input_file, MAX_FILE_PATH, L"%lsblank.pdf", input_path);
  {
    FS_PDFDOC_HANDLE doc = NULL;
    FS_PDFPAGE_HANDLE page = NULL;
    FS_FILLSIGN_HANDLE fillsign = NULL;
    FSPointF point;

    FS_PROGRESSIVE_HANDLE progressive = NULL;
    FS_FILLSIGNOBJECT_HANDLE fillsignobject_crossmark = NULL;
    FS_FILLSIGNOBJECT_HANDLE fillsignobject_checkmark = NULL;
    FS_FILLSIGNOBJECT_HANDLE fillsignobject_roundrectangle = NULL;
    FS_FILLSIGNOBJECT_HANDLE fillsignobject_typeline = NULL;
    FS_FILLSIGNOBJECT_HANDLE fillsignobject_dot = NULL;
    FS_FILLSIGNOBJECT_HANDLE text = NULL;
    FS_FILLSIGNOBJECT_HANDLE fillsignobject_signature = NULL;
    FS_BITMAP_HANDLE bitmap = NULL;
    FS_SIGNATUREFILLSIGNOBJECT_HANDLE signature = NULL;

    FS_WSTR tempstr;
    FSTextFillSignObjectData textdata;
    FSTextState textState;
    FS_FONT_HANDLE font = NULL;
    FS_BOOL isfinish;
    wchar_t pdf_new[MAX_FILE_PATH] = { 0 };

    error_code = FSDK_PDFDoc_Create0(input_file, &doc);
    if (error_code != e_FSErrSuccess) return 1;
    error_code = FSDK_PDFDoc_Load(doc, NULL);
    if (error_code != e_FSErrSuccess) {
      wprintf(L"The Doc [%ls] Error: %d\n", input_file, error_code);
      FSDK_PDFDoc_Release(doc);
      return 1;
    }

    error_code = FSDK_PDFDoc_GetPage(doc, 0, &page);
    if (error_code != e_FSErrSuccess) {
      FSDK_PDFDoc_Release(doc);
      return 1;
    }

    FSDK_PDFPage_StartParse(page, e_FSParseFlagsParsePageNormal, NULL, FALSE, &progressive);

    FSDK_FillSign_Create(page, &fillsign);

    point.x = 0;
    point.y = 0;
    error_code = FSDK_FillSign_AddObject(fillsign, e_FSFillSignObjectTypeCrossMark, point, 100, 100, e_FSRotation0, &fillsignobject_crossmark);
    if (error_code != e_FSErrSuccess) {
      printf("FSFillSignObjectTypeCrossMark error!\n");
      FSDK_PDFDoc_Release(doc);
      FSDK_FillSign_Release(fillsign);
      return 1;
    }
    FSDK_FillSignObject_Release(fillsignobject_crossmark);

    point.x = 100;
    point.y = 100;
    error_code = FSDK_FillSign_AddObject(fillsign, e_FSFillSignObjectTypeCheckMark, point, 50, 100, e_FSRotation0, &fillsignobject_checkmark);
    if (error_code != e_FSErrSuccess) {
      printf("FSFillSignObjectTypeCheckMark error!\n");
      FSDK_PDFDoc_Release(doc);
      FSDK_FillSign_Release(fillsign);
      return 1;
    }
    FSDK_FillSignObject_Release(fillsignobject_checkmark);

    point.x = 200;
    point.y = 200;
    error_code = FSDK_FillSign_AddObject(fillsign, e_FSFillSignObjectTypeRoundRectangle, point, 100, 50, e_FSRotation0, &fillsignobject_roundrectangle);
    if (error_code != e_FSErrSuccess) {
      printf("FSFillSignObjectTypeRoundRectangle error!\n");
      FSDK_PDFDoc_Release(doc);
      FSDK_FillSign_Release(fillsign);
      return 1;
    }
    FSDK_FillSignObject_Release(fillsignobject_roundrectangle);

    point.x = 300;
    point.y = 300;
    error_code = FSDK_FillSign_AddObject(fillsign, e_FSFillSignObjectTypeLine, point, 100, 50, e_FSRotation0, &fillsignobject_typeline);
    if (error_code != e_FSErrSuccess) {
      printf("FSFillSignObjectTypeLine error!\n");
      FSDK_PDFDoc_Release(doc);
      FSDK_FillSign_Release(fillsign);
      return 1;
    }
    FSDK_FillSignObject_Release(fillsignobject_typeline);

    point.x = 400;
    point.y = 400;
    error_code = FSDK_FillSign_AddObject(fillsign, e_FSFillSignObjectTypeDot, point, 100, 100, e_FSRotation0, &fillsignobject_dot);
    if (error_code != e_FSErrSuccess) {
      printf("FSFillSignObjectTypeDot error!\n");
      FSDK_PDFDoc_Release(doc);
      FSDK_FillSign_Release(fillsign);
      return 1;
    }
    FSDK_FillSignObject_Release(fillsignobject_dot);

    FSDK_Font_Create0(e_FSStdIDHelvetica, &font);
    textState.font = font;
    textState.font_size = 20;

    point.x = 500;
    point.y = 0;
    textState.origin_position = point;
    textState.charspace = 1.0f;

    FSDK_WStr_Init(&tempstr);
    tempstr.str = L"666777888";
    tempstr.len = wcslen(tempstr.str);
    textdata.text = tempstr;
    textdata.text_state = textState;

    point.x = 400;
    point.y = 100;
    error_code = FSDK_FillSign_AddTextObject(fillsign, &textdata,1, point, 200, 200, e_FSRotation0, FALSE, &text);

    error_code = FSDK_FillSignObject_GenerateContent(text, &isfinish);
    FSDK_FillSignObject_Release(text);

    point.x = 300;
    point.y = 100;
    error_code = FSDK_FillSign_AddObject(fillsign, e_FSFillSignObjectTypeSignature, point, 100, 100, e_FSRotation0, &fillsignobject_signature);
    if (error_code != e_FSErrSuccess) {
      printf("FillSignObjectTypeSignature error!\n");
      FSDK_PDFDoc_Release(doc);
      FSDK_FillSign_Release(fillsign);
      return 1;
    }
    
    FSDK_Bitmap_Create(100, 100, e_FSDIBArgb, NULL, 0, &bitmap);
    FSDK_Bitmap_FillRect(bitmap, 0xFFFF0000, NULL);

    FSDK_SignatureFillSignObject_Create(fillsignobject_signature, &signature);
    FSDK_SignatureFillSignObject_SetBitmap(signature, bitmap);
    FSDK_FillSignObject_GenerateContent(fillsignobject_signature, &isfinish);
    FSDK_GraphicsObjects_GenerateContent(page, &isfinish);

    FSDK_SignatureFillSignObject_Release(signature);
    FSDK_Bitmap_Release(bitmap);
    FSDK_FillSignObject_Release(fillsignobject_signature);

    swprintf_s(pdf_new, MAX_FILE_PATH, L"%lsnew_fillsign.pdf", output_directory);
    error_code = FSDK_PDFDoc_SaveAs(doc, pdf_new, e_FSSaveFlagNoOriginal, &isfinish);
    printf("fillsign Finish : All fillsign generated successfully.\n");
    if (error_code != e_FSErrSuccess) {
      printf("Save doc error!\n");
      FSDK_FillSign_Release(fillsign);
      FSDK_PDFDoc_Release(doc);
      return 1;
    }
    FSDK_FillSign_Release(fillsign);
    FSDK_PDFDoc_Release(doc);
  }
  FSDK_Library_Release();
  return err_ret;
}