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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "../include/fsdk_define.h"
      8 #include "../include/fpdf_flatten.h"
      9 
     10 typedef CFX_ArrayTemplate<CPDF_Dictionary*> CPDF_ObjectArray;
     11 typedef CFX_ArrayTemplate<CPDF_Rect> CPDF_RectArray;
     12 
     13 enum FPDF_TYPE { MAX, MIN };
     14 enum FPDF_VALUE { TOP, LEFT, RIGHT, BOTTOM };
     15 
     16 FX_BOOL IsValiableRect(CPDF_Rect rect, CPDF_Rect rcPage)
     17 {
     18 	if ( rect.left - rect.right > 0.000001f ||
     19 		 rect.bottom - rect.top > 0.000001f)
     20 		return FALSE;
     21 
     22 	if (rect.left == 0.0f &&
     23 		rect.top == 0.0f &&
     24 		rect.right == 0.0f &&
     25 		rect.bottom == 0.0f)
     26 		return FALSE;
     27 
     28 	if (!rcPage.IsEmpty())
     29 	{
     30 		if (rect.left - rcPage.left < -10.000001f ||
     31 			rect.right - rcPage.right > 10.000001f ||
     32 			rect.top - rcPage.top > 10.000001f ||
     33 			rect.bottom - rcPage.bottom < -10.000001f)
     34 			return FALSE;
     35 	}
     36 
     37 	return TRUE;
     38 }
     39 
     40 
     41 FX_BOOL GetContentsRect( CPDF_Document * pDoc, CPDF_Dictionary* pDict, CPDF_RectArray * pRectArray )
     42 {
     43 	CPDF_Page* pPDFPage = FX_NEW CPDF_Page;
     44 	pPDFPage->Load( pDoc, pDict, FALSE );
     45 	pPDFPage->ParseContent();
     46 
     47 	FX_POSITION pos = pPDFPage->GetFirstObjectPosition();
     48 
     49 	while (pos)
     50 	{
     51 		CPDF_PageObject* pPageObject = pPDFPage->GetNextObject(pos);
     52 		if (!pPageObject)continue;
     53 
     54 		CPDF_Rect rc;
     55 		rc.left = pPageObject->m_Left;
     56 		rc.right = pPageObject->m_Right;
     57 		rc.bottom = pPageObject->m_Bottom;
     58 		rc.top = pPageObject->m_Top;
     59 
     60 		if (IsValiableRect(rc, pDict->GetRect("MediaBox")))
     61 		{
     62 			pRectArray->Add(rc);
     63 		}
     64 	}
     65 
     66 	delete pPDFPage;
     67 	return TRUE;
     68 }
     69 
     70 
     71 void ParserStream( CPDF_Dictionary * pPageDic, CPDF_Dictionary* pStream, CPDF_RectArray * pRectArray, CPDF_ObjectArray * pObjectArray )
     72 {
     73 	if (!pStream)return;
     74 	CPDF_Rect rect;
     75 	if (pStream->KeyExist("Rect"))
     76 		rect = pStream->GetRect("Rect");
     77 	else if (pStream->KeyExist("BBox"))
     78 		rect = pStream->GetRect("BBox");
     79 
     80 	if (IsValiableRect(rect, pPageDic->GetRect("MediaBox")))
     81 		pRectArray->Add(rect);
     82 
     83 	pObjectArray->Add(pStream);
     84 }
     85 
     86 
     87 int ParserAnnots( CPDF_Document* pSourceDoc, CPDF_Dictionary * pPageDic, CPDF_RectArray * pRectArray, CPDF_ObjectArray * pObjectArray, int nUsage)
     88 {
     89 	if (!pSourceDoc || !pPageDic) return FLATTEN_FAIL;
     90 
     91 	GetContentsRect( pSourceDoc, pPageDic, pRectArray );
     92 	CPDF_Array* pAnnots = pPageDic->GetArray("Annots");
     93 	if (pAnnots)
     94 	{
     95 		FX_DWORD dwSize = pAnnots->GetCount();
     96 
     97 		for (int i = 0; i < (int)dwSize; i++)
     98 		{
     99 			CPDF_Object* pObj = pAnnots->GetElementValue(i);
    100 
    101 			if (!pObj)continue;
    102 
    103 			if (pObj->GetType() == PDFOBJ_DICTIONARY)
    104 			{
    105 				CPDF_Dictionary* pAnnotDic = (CPDF_Dictionary*)pObj;
    106 				CFX_ByteString sSubtype = pAnnotDic->GetString("Subtype");
    107 				if (sSubtype == "Popup")continue;
    108 
    109 				int nAnnotFlag = pAnnotDic->GetInteger("F");
    110 
    111 				if(nAnnotFlag & ANNOTFLAG_HIDDEN)
    112 					continue;
    113 				if(nUsage == FLAT_NORMALDISPLAY)
    114 				{
    115 					if(nAnnotFlag & ANNOTFLAG_INVISIBLE)
    116 						continue;
    117 					ParserStream( pPageDic, pAnnotDic, pRectArray, pObjectArray );
    118 				}
    119 				else
    120 				{
    121 					if(nAnnotFlag & ANNOTFLAG_PRINT)
    122 						ParserStream( pPageDic, pAnnotDic, pRectArray, pObjectArray );
    123 				}
    124 			}
    125 		}
    126 		return FLATTEN_SUCCESS;
    127 	}else{
    128 		return FLATTEN_NOTINGTODO;
    129 	}
    130 }
    131 
    132 
    133 FX_FLOAT GetMinMaxValue( CPDF_RectArray& array, FPDF_TYPE type, FPDF_VALUE value)
    134 {
    135 	int nRects = array.GetSize();
    136 	FX_FLOAT fRet = 0.0f;
    137 
    138 	if (nRects <= 0)return 0.0f;
    139 
    140 	FX_FLOAT* pArray = new FX_FLOAT[nRects];
    141 	switch(value)
    142 	{
    143 	case LEFT:
    144 		{
    145 			for (int i = 0; i < nRects; i++)
    146 				pArray[i] = CPDF_Rect(array.GetAt(i)).left;
    147 
    148 			break;
    149 		}
    150 	case TOP:
    151 		{
    152 			for (int i = 0; i < nRects; i++)
    153 				pArray[i] = CPDF_Rect(array.GetAt(i)).top;
    154 
    155 			break;
    156 		}
    157 	case RIGHT:
    158 		{
    159 			for (int i = 0; i < nRects; i++)
    160 				pArray[i] = CPDF_Rect(array.GetAt(i)).right;
    161 
    162 			break;
    163 		}
    164 	case BOTTOM:
    165 		{
    166 			for (int i = 0; i < nRects; i++)
    167 				pArray[i] = CPDF_Rect(array.GetAt(i)).bottom;
    168 
    169 			break;
    170 		}
    171 	default:
    172 		break;
    173 	}
    174 	fRet = pArray[0];
    175 	if (type == MAX)
    176 	{
    177 		for (int i = 1; i < nRects; i++)
    178 			if (fRet <= pArray[i])
    179 				fRet = pArray[i];
    180 	}
    181 	else
    182 	{
    183 		for (int i = 1; i < nRects; i++)
    184 			if (fRet >= pArray[i])
    185 				fRet = pArray[i];
    186 	}
    187 	delete[] pArray;
    188 	return fRet;
    189 }
    190 
    191 CPDF_Rect CalculateRect( CPDF_RectArray * pRectArray )
    192 {
    193 
    194 	CPDF_Rect rcRet;
    195 
    196 	rcRet.left = GetMinMaxValue(*pRectArray, MIN, LEFT);
    197 	rcRet.top = GetMinMaxValue(*pRectArray, MAX, TOP);
    198 	rcRet.right = GetMinMaxValue(*pRectArray, MAX, RIGHT);
    199 	rcRet.bottom = GetMinMaxValue(*pRectArray, MIN, BOTTOM);
    200 
    201 	return rcRet;
    202 }
    203 
    204 
    205 void SetPageContents(CFX_ByteString key, CPDF_Dictionary* pPage, CPDF_Document* pDocument)
    206 {
    207 	CPDF_Object* pContentsObj = pPage->GetStream("Contents");
    208 	if (!pContentsObj)
    209 	{
    210 		pContentsObj = pPage->GetArray("Contents");
    211 	}
    212 
    213 	if (!pContentsObj)
    214 	{
    215 		//Create a new contents dictionary
    216 		if (!key.IsEmpty())
    217 		{
    218 			CPDF_Stream* pNewContents = FX_NEW CPDF_Stream(NULL, 0, FX_NEW CPDF_Dictionary);
    219 			if (!pNewContents)return;
    220 			pPage->SetAtReference("Contents", pDocument, pDocument->AddIndirectObject(pNewContents));
    221 
    222 			CFX_ByteString sStream;
    223 			sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", (FX_LPCSTR)key);
    224 			pNewContents->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
    225 		}
    226 		return;
    227 	}
    228 
    229 	int iType = pContentsObj->GetType();
    230 	CPDF_Array* pContentsArray = NULL;
    231 
    232 	switch(iType)
    233 	{
    234 	case PDFOBJ_STREAM:
    235 		{
    236 			pContentsArray = FX_NEW CPDF_Array;
    237 			CPDF_Stream* pContents = (CPDF_Stream*)pContentsObj;
    238 			FX_DWORD dwObjNum = pDocument->AddIndirectObject(pContents);
    239 			CPDF_StreamAcc acc;
    240 			acc.LoadAllData(pContents);
    241 			CFX_ByteString sStream = "q\n";
    242 			CFX_ByteString sBody = CFX_ByteString((FX_LPCSTR)acc.GetData(), acc.GetSize());
    243 			sStream = sStream + sBody + "\nQ";
    244 			pContents->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
    245 			pContentsArray->AddReference(pDocument, dwObjNum);
    246 			break;
    247 		}
    248 
    249 	case PDFOBJ_ARRAY:
    250 		{
    251 			pContentsArray = (CPDF_Array*)pContentsObj;
    252 			break;
    253 		}
    254 	default:
    255 		break;
    256 	}
    257 
    258 	if (!pContentsArray)return;
    259 
    260 	FX_DWORD dwObjNum = pDocument->AddIndirectObject(pContentsArray);
    261 	pPage->SetAtReference("Contents", pDocument, dwObjNum);
    262 
    263 	if (!key.IsEmpty())
    264 	{
    265 		CPDF_Stream* pNewContents = FX_NEW CPDF_Stream(NULL, 0, FX_NEW CPDF_Dictionary);
    266 		dwObjNum = pDocument->AddIndirectObject(pNewContents);
    267 		pContentsArray->AddReference(pDocument, dwObjNum);
    268 
    269 		CFX_ByteString sStream;
    270 		sStream.Format("q 1 0 0 1 0 0 cm /%s Do Q", (FX_LPCSTR)key);
    271 		pNewContents->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
    272 	}
    273 }
    274 
    275 CFX_AffineMatrix GetMatrix(CPDF_Rect rcAnnot, CPDF_Rect rcStream, CFX_AffineMatrix matrix)
    276 {
    277 	if(rcStream.IsEmpty())
    278 		return CFX_AffineMatrix();
    279 
    280 	matrix.TransformRect(rcStream);
    281 	rcStream.Normalize();
    282 
    283 	FX_FLOAT a = rcAnnot.Width()/rcStream.Width();
    284 	FX_FLOAT d = rcAnnot.Height()/rcStream.Height();
    285 
    286 	FX_FLOAT e = rcAnnot.left - rcStream.left * a;
    287 	FX_FLOAT f = rcAnnot.bottom - rcStream.bottom * d;
    288 	return CFX_AffineMatrix(a, 0, 0, d, e, f);
    289 }
    290 
    291 void GetOffset(FX_FLOAT& fa, FX_FLOAT& fd, FX_FLOAT& fe, FX_FLOAT& ff, CPDF_Rect rcAnnot, CPDF_Rect rcStream, CFX_AffineMatrix matrix)
    292 {
    293 	FX_FLOAT fStreamWidth = 0.0f;
    294 	FX_FLOAT fStreamHeight = 0.0f;
    295 
    296 
    297 
    298 	if (matrix.a != 0 && matrix.d != 0)
    299 	{
    300 		fStreamWidth = rcStream.right - rcStream.left;
    301 		fStreamHeight = rcStream.top - rcStream.bottom;
    302 	}
    303 	else
    304 	{
    305 		fStreamWidth = rcStream.top - rcStream.bottom;
    306 		fStreamHeight = rcStream.right - rcStream.left;
    307 	}
    308 
    309 	FX_FLOAT x1 = matrix.a * rcStream.left + matrix.c * rcStream.bottom + matrix.e;
    310 	FX_FLOAT y1 = matrix.b * rcStream.left + matrix.d * rcStream.bottom + matrix.f;
    311 	FX_FLOAT x2 = matrix.a * rcStream.left + matrix.c * rcStream.top + matrix.e;
    312 	FX_FLOAT y2 = matrix.b * rcStream.left + matrix.d * rcStream.top + matrix.f;
    313 	FX_FLOAT x3 = matrix.a * rcStream.right + matrix.c * rcStream.bottom + matrix.e;
    314 	FX_FLOAT y3 = matrix.b * rcStream.right + matrix.d * rcStream.bottom + matrix.f;
    315 	FX_FLOAT x4 = matrix.a * rcStream.right + matrix.c * rcStream.top + matrix.e;
    316 	FX_FLOAT y4 = matrix.b * rcStream.right + matrix.d * rcStream.top + matrix.f;
    317 
    318 	FX_FLOAT left = FX_MIN(FX_MIN(x1, x2), FX_MIN(x3, x4));
    319 	FX_FLOAT bottom = FX_MIN(FX_MIN(y1, y2), FX_MIN(y3, y4));
    320 
    321 	fa = (rcAnnot.right - rcAnnot.left)/fStreamWidth;
    322 	fd = (rcAnnot.top - rcAnnot.bottom)/fStreamHeight;
    323 	fe = rcAnnot.left - left * fa;
    324 	ff = rcAnnot.bottom - bottom * fd;
    325 }
    326 
    327 
    328 DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
    329 {
    330 	if (!page)
    331 	{
    332 		return FLATTEN_FAIL;
    333 	}
    334 
    335 	CPDF_Page * pPage = (CPDF_Page*)( page );
    336 	CPDF_Document * pDocument = pPage->m_pDocument;
    337 	CPDF_Dictionary * pPageDict = pPage->m_pFormDict;
    338 
    339 	if ( !pDocument || !pPageDict )
    340 	{
    341 		return FLATTEN_FAIL;
    342 	}
    343 
    344 	CPDF_ObjectArray ObjectArray;
    345 	CPDF_RectArray  RectArray;
    346 
    347 	int iRet = FLATTEN_FAIL;
    348 	iRet = ParserAnnots( pDocument, pPageDict, &RectArray, &ObjectArray, nFlag);
    349 	if (iRet == FLATTEN_NOTINGTODO)
    350 	{
    351 		return FLATTEN_NOTINGTODO;
    352 	}else if (iRet == FLATTEN_FAIL)
    353 	{
    354 		return FLATTEN_FAIL;
    355 	}
    356 
    357 	CPDF_Rect rcOriginalCB;
    358 	CPDF_Rect rcMerger = CalculateRect( &RectArray );
    359 	CPDF_Rect rcOriginalMB = pPageDict->GetRect("MediaBox");
    360 
    361 	if (pPageDict->KeyExist("CropBox"))
    362 		rcOriginalMB = pPageDict->GetRect("CropBox");
    363 
    364 	if (rcOriginalMB.IsEmpty())
    365 	{
    366 		rcOriginalMB = CPDF_Rect(0.0f, 0.0f, 612.0f, 792.0f);
    367 	}
    368 
    369 	rcMerger.left = rcMerger.left < rcOriginalMB.left? rcOriginalMB.left : rcMerger.left;
    370 	rcMerger.right = rcMerger.right > rcOriginalMB.right? rcOriginalMB.right : rcMerger.right;
    371 	rcMerger.top = rcMerger.top > rcOriginalMB.top? rcOriginalMB.top : rcMerger.top;
    372 	rcMerger.bottom = rcMerger.bottom < rcOriginalMB.bottom? rcOriginalMB.bottom : rcMerger.bottom;
    373 
    374 	if (pPageDict->KeyExist("ArtBox"))
    375 		rcOriginalCB = pPageDict->GetRect("ArtBox");
    376 	else
    377 		rcOriginalCB = rcOriginalMB;
    378 
    379 	if (!rcOriginalMB.IsEmpty())
    380 	{
    381 		CPDF_Array* pMediaBox = FX_NEW CPDF_Array();
    382 
    383 		pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.left));
    384 		pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.bottom));
    385 		pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.right));
    386 		pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.top));
    387 
    388 		pPageDict->SetAt("MediaBox",pMediaBox);
    389 	}
    390 
    391 	if (!rcOriginalCB.IsEmpty())
    392 	{
    393 		CPDF_Array* pCropBox = FX_NEW CPDF_Array();
    394 		pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.left));
    395 		pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.bottom));
    396 		pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.right));
    397 		pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.top));
    398 		pPageDict->SetAt("ArtBox", pCropBox);
    399 	}
    400 
    401 	CPDF_Dictionary* pRes = NULL;
    402 	pRes = pPageDict->GetDict("Resources");
    403 	if (!pRes)
    404 	{
    405 		pRes = FX_NEW CPDF_Dictionary;
    406 		pPageDict->SetAt( "Resources", pRes );
    407 	}
    408 
    409 	CPDF_Stream* pNewXObject = FX_NEW CPDF_Stream(NULL, 0, FX_NEW CPDF_Dictionary);
    410 	FX_DWORD dwObjNum = pDocument->AddIndirectObject(pNewXObject);
    411 	CPDF_Dictionary* pPageXObject = pRes->GetDict("XObject");
    412 	if (!pPageXObject)
    413 	{
    414 		pPageXObject = FX_NEW CPDF_Dictionary;
    415 		pRes->SetAt("XObject", pPageXObject);
    416 	}
    417 
    418 	CFX_ByteString key = "";
    419 	int nStreams = ObjectArray.GetSize();
    420 
    421 	if (nStreams > 0)
    422 	{
    423 		for (int iKey = 0; /*iKey < 100*/; iKey++)
    424 		{
    425 			char sExtend[5] = {0};
    426 			FXSYS_itoa(iKey, sExtend, 10);
    427 			key = CFX_ByteString("FFT") + CFX_ByteString(sExtend);
    428 
    429 			if (!pPageXObject->KeyExist(key))
    430 				break;
    431 		}
    432 	}
    433 
    434 	SetPageContents(key, pPageDict, pDocument);
    435 
    436 	CPDF_Dictionary* pNewXORes = NULL;
    437 
    438 	if (!key.IsEmpty())
    439 	{
    440 		pPageXObject->SetAtReference(key, pDocument, dwObjNum);
    441 		CPDF_Dictionary* pNewOXbjectDic = pNewXObject->GetDict();
    442 		pNewXORes = FX_NEW CPDF_Dictionary;
    443 		pNewOXbjectDic->SetAt("Resources", pNewXORes);
    444 		pNewOXbjectDic->SetAtName("Type", "XObject");
    445 		pNewOXbjectDic->SetAtName("Subtype", "Form");
    446 		pNewOXbjectDic->SetAtInteger("FormType", 1);
    447 		pNewOXbjectDic->SetAtName("Name", "FRM");
    448 		CPDF_Rect rcBBox = pPageDict->GetRect("ArtBox");
    449 		pNewOXbjectDic->SetAtRect("BBox", rcBBox);
    450 	}
    451 
    452 	for (int i = 0; i < nStreams; i++)
    453 	{
    454 		CPDF_Dictionary* pAnnotDic = ObjectArray.GetAt(i);
    455 		if (!pAnnotDic)continue;
    456 
    457 		CPDF_Rect rcAnnot = pAnnotDic->GetRect("Rect");
    458 		rcAnnot.Normalize();
    459 
    460 		CFX_ByteString sAnnotState = pAnnotDic->GetString("AS");
    461 		CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDict("AP");
    462 		if (!pAnnotAP)continue;
    463 
    464 		CPDF_Stream* pAPStream = pAnnotAP->GetStream("N");
    465 		if (!pAPStream)
    466 		{
    467 			CPDF_Dictionary* pAPDic = pAnnotAP->GetDict("N");
    468 			if (!pAPDic)continue;
    469 
    470 			if (!sAnnotState.IsEmpty())
    471 			{
    472 				pAPStream = pAPDic->GetStream(sAnnotState);
    473 			}
    474 			else
    475 			{
    476 				FX_POSITION pos = pAPDic->GetStartPos();
    477 				if (pos)
    478 				{
    479 					CFX_ByteString sKey;
    480 					CPDF_Object* pFirstObj = pAPDic->GetNextElement(pos, sKey);
    481 					if (pFirstObj)
    482 					{
    483 						if (pFirstObj->GetType() == PDFOBJ_REFERENCE)
    484 							pFirstObj = pFirstObj->GetDirect();
    485 
    486 						if (pFirstObj->GetType() != PDFOBJ_STREAM)
    487 							continue;
    488 
    489 						pAPStream = (CPDF_Stream*)pFirstObj;
    490 					}
    491 				}
    492 			}
    493 		}
    494 
    495 		if (!pAPStream)continue;
    496 
    497 		CPDF_Dictionary* pAPDic = pAPStream->GetDict();
    498 		CFX_AffineMatrix matrix = pAPDic->GetMatrix("Matrix");
    499 
    500 		CPDF_Rect rcStream;
    501 		if (pAPDic->KeyExist("Rect"))
    502 			rcStream = pAPDic->GetRect("Rect");
    503 		else if (pAPDic->KeyExist("BBox"))
    504 			rcStream = pAPDic->GetRect("BBox");
    505 
    506 		if (rcStream.IsEmpty())continue;
    507 
    508 		CPDF_Object* pObj = pAPStream;
    509 
    510 		if (pObj)
    511 		{
    512 			CPDF_Dictionary* pObjDic = pObj->GetDict();
    513 			if (pObjDic)
    514 			{
    515 				pObjDic->SetAtName("Type", "XObject");
    516 				pObjDic->SetAtName("Subtype", "Form");
    517 			}
    518 		}
    519 
    520 		CPDF_Dictionary* pXObject = pNewXORes->GetDict("XObject");
    521 		if (!pXObject)
    522 		{
    523 			pXObject = FX_NEW CPDF_Dictionary;
    524 			pNewXORes->SetAt("XObject", pXObject);
    525 		}
    526 
    527 		CFX_ByteString sFormName;
    528 		sFormName.Format("F%d", i);
    529 		FX_DWORD dwObjNum = pDocument->AddIndirectObject(pObj);
    530 		pXObject->SetAtReference(sFormName, pDocument, dwObjNum);
    531 
    532 		CPDF_StreamAcc acc;
    533 		acc.LoadAllData(pNewXObject);
    534 
    535 		FX_LPCBYTE pData = acc.GetData();
    536 		CFX_ByteString sStream(pData, acc.GetSize());
    537 		CFX_ByteString sTemp;
    538 
    539 		if (matrix.IsIdentity())
    540 		{
    541 			matrix.a = 1.0f;
    542 			matrix.b = 0.0f;
    543 			matrix.c = 0.0f;
    544 			matrix.d = 1.0f;
    545 			matrix.e = 0.0f;
    546 			matrix.f = 0.0f;
    547 		}
    548 
    549 		CFX_AffineMatrix m = GetMatrix(rcAnnot, rcStream, matrix);
    550 		sTemp.Format("q %f 0 0 %f %f %f cm /%s Do Q\n", m.a, m.d, m.e, m.f, (FX_LPCSTR)sFormName);
    551 		sStream += sTemp;
    552 
    553 		pNewXObject->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
    554 	}
    555 	pPageDict->RemoveAt( "Annots" );
    556 
    557 	ObjectArray.RemoveAll();
    558 	RectArray.RemoveAll();
    559 
    560 	return FLATTEN_SUCCESS;
    561 }
    562