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
MaxRect(const CPDF_Rect & rect1,const CPDF_Rect & rect2)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
InflateRect(const CPDF_Rect & crRect,const FX_FLOAT & fSize)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
DeflateRect(const CPDF_Rect & crRect,const FX_FLOAT & fSize)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
TraceObject(CPDF_Object * pObj)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