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