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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/formfiller/FormFiller.h"
      8 #include "../../include/formfiller/FFL_Utils.h"
      9 
     10 CPDF_Rect CFFL_Utils::MaxRect(const CPDF_Rect & rect1,const CPDF_Rect & rect2)
     11 {
     12 	CPDF_Rect rcRet;
     13 
     14 	rcRet.left = FFL_MIN(rect1.left,rect2.left);
     15 	rcRet.bottom = FFL_MIN(rect1.bottom,rect2.bottom);
     16 	rcRet.right = FFL_MAX(rect1.right,rect2.right);
     17 	rcRet.top = FFL_MAX(rect1.top,rect2.top);
     18 
     19 	return rcRet;
     20 }
     21 
     22 CPDF_Rect CFFL_Utils::InflateRect(const CPDF_Rect & crRect,const FX_FLOAT & fSize)
     23 {
     24 	CPDF_Rect crNew(crRect.left - fSize,
     25 					crRect.bottom - fSize,
     26 					crRect.right + fSize,
     27 					crRect.top + fSize);
     28 	crNew.Normalize();
     29 	return crNew;
     30 }
     31 
     32 CPDF_Rect CFFL_Utils::DeflateRect(const CPDF_Rect & crRect,const FX_FLOAT & fSize)
     33 {
     34 	CPDF_Rect crNew(crRect.left + fSize,
     35 					crRect.bottom + fSize,
     36 					crRect.right - fSize,
     37 					crRect.top - fSize);
     38 	crNew.Normalize();
     39 	return crNew;
     40 }
     41 
     42 /*
     43 FX_BOOL CFFL_Utils::RectContainsRect(const CPDF_Rect & father,const CPDF_Rect & son)
     44 {
     45 	return (father.left <= son.left && father.right >= son.right &&
     46 				father.bottom <= son.bottom && father.top >= son.top);
     47 
     48 }
     49 
     50 FX_BOOL CFFL_Utils::RectContainsPoint(const CPDF_Rect & father,const CPDF_Point & son)
     51 {
     52 	return (father.left <= son.x && father.right >= son.x &&
     53 				father.bottom <= son.y && father.top >= son.y);
     54 }
     55 
     56 FX_BOOL CFFL_Utils::RectContainsXY(const CPDF_Rect & father,FX_FLOAT x,FX_FLOAT y)
     57 {
     58 	return (father.left <= x && father.right >= x &&
     59 				father.bottom <= y && father.top >= y);
     60 }
     61 */
     62 
     63 FX_BOOL CFFL_Utils::TraceObject(CPDF_Object* pObj)
     64 {
     65 	if (!pObj) return FALSE;
     66 
     67 	FX_DWORD	dwObjNum = pObj->GetObjNum();
     68 	switch (pObj->GetType())
     69 	{
     70 	case PDFOBJ_ARRAY:
     71 		{
     72 			CPDF_Array* pArray = (CPDF_Array*)pObj;
     73 			for (FX_DWORD i = 0; i < pArray->GetCount(); i ++)
     74 			{
     75 				CPDF_Object* pElement = pArray->GetElementValue(i);
     76 				TraceObject(pElement);
     77 			}
     78 		}
     79 		break;
     80 
     81 	case PDFOBJ_DICTIONARY:
     82 		{
     83 			CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj;
     84 
     85 			FX_POSITION fPos = pDict->GetStartPos();
     86 			CFX_ByteString csKey;
     87 			do
     88 			{
     89 				CPDF_Object* pElement = pDict->GetNextElement(fPos, csKey);
     90  				//TRACE(csKey + "\n");
     91 				if (!pElement) break;
     92 				TraceObject(pElement);
     93 			}while (TRUE);
     94 		}
     95 		break;
     96 
     97 	case PDFOBJ_STREAM:
     98 		{
     99 			CPDF_Stream* pStream = (CPDF_Stream*)pObj;
    100 			CPDF_Dictionary* pDict = pStream->GetDict();
    101 			TraceObject(pDict);
    102 		}
    103 		break;
    104 
    105 	case PDFOBJ_REFERENCE:
    106 		{
    107 			CPDF_Object* pDirectObj = pObj->GetDirect();
    108 			TraceObject(pDirectObj);
    109 		}
    110 		break;
    111 
    112 	case PDFOBJ_BOOLEAN:
    113 		break;
    114 	case PDFOBJ_NUMBER:
    115 		//TRACE("%d\n",(FX_INT32)pObj);
    116 		break;
    117 	case PDFOBJ_STRING:
    118 		//TRACE(((CPDF_String*)pObj)->GetString() + "\n");
    119 		break;
    120 	case PDFOBJ_NAME:
    121 		//TRACE(((CPDF_Name*)pObj)->GetString() + "\n");
    122 		break;
    123 	case PDFOBJ_NULL:
    124 //	case PDFOBJ_KEYWORD:
    125 //	case PDFOBJ_EOF:
    126 	default:
    127 		break;
    128 	}
    129 	if (dwObjNum == 0) return FALSE;
    130 
    131 	return TRUE;
    132 }
    133 
    134