1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
#include "core/fpdfapi/page/cpdf_page.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
#include "fpdfsdk/fpdfxfa/cxfa_fwladaptertimermgr.h"
#include "fpdfsdk/fsdk_define.h"
#include "public/fpdf_formfill.h"
#include "third_party/base/ptr_util.h"
#include "xfa/fxfa/xfa_ffdocview.h"
#include "xfa/fxfa/xfa_ffpageview.h"
CPDFXFA_Page::CPDFXFA_Page(CPDFXFA_Context* pContext, int page_index)
: m_pXFAPageView(nullptr),
m_pContext(pContext),
m_iPageIndex(page_index),
m_iRef(1) {}
CPDFXFA_Page::~CPDFXFA_Page() {
if (m_pContext)
m_pContext->RemovePage(this);
}
bool CPDFXFA_Page::LoadPDFPage() {
if (!m_pContext)
return false;
CPDF_Document* pPDFDoc = m_pContext->GetPDFDoc();
if (!pPDFDoc)
return false;
CPDF_Dictionary* pDict = pPDFDoc->GetPage(m_iPageIndex);
if (!pDict)
return false;
if (!m_pPDFPage || m_pPDFPage->m_pFormDict != pDict) {
m_pPDFPage = pdfium::MakeUnique<CPDF_Page>(pPDFDoc, pDict, true);
m_pPDFPage->ParseContent();
}
return true;
}
bool CPDFXFA_Page::LoadXFAPageView() {
if (!m_pContext)
return false;
CXFA_FFDoc* pXFADoc = m_pContext->GetXFADoc();
if (!pXFADoc)
return false;
CXFA_FFDocView* pXFADocView = m_pContext->GetXFADocView();
if (!pXFADocView)
return false;
CXFA_FFPageView* pPageView = pXFADocView->GetPageView(m_iPageIndex);
if (!pPageView)
return false;
m_pXFAPageView = pPageView;
return true;
}
bool CPDFXFA_Page::LoadPage() {
if (!m_pContext || m_iPageIndex < 0)
return false;
int iDocType = m_pContext->GetDocType();
switch (iDocType) {
case DOCTYPE_PDF:
case DOCTYPE_STATIC_XFA: {
return LoadPDFPage();
}
case DOCTYPE_DYNAMIC_XFA: {
return LoadXFAPageView();
}
default:
return false;
}
}
bool CPDFXFA_Page::LoadPDFPage(CPDF_Dictionary* pageDict) {
if (!m_pContext || m_iPageIndex < 0 || !pageDict)
return false;
m_pPDFPage =
pdfium::MakeUnique<CPDF_Page>(m_pContext->GetPDFDoc(), pageDict, true);
m_pPDFPage->ParseContent();
return true;
}
FX_FLOAT CPDFXFA_Page::GetPageWidth() const {
if (!m_pPDFPage && !m_pXFAPageView)
return 0.0f;
int nDocType = m_pContext->GetDocType();
switch (nDocType) {
case DOCTYPE_DYNAMIC_XFA: {
if (m_pXFAPageView)
return m_pXFAPageView->GetPageViewRect().width;
break;
}
case DOCTYPE_STATIC_XFA:
case DOCTYPE_PDF: {
if (m_pPDFPage)
return m_pPDFPage->GetPageWidth();
break;
}
default:
return 0.0f;
}
return 0.0f;
}
FX_FLOAT CPDFXFA_Page::GetPageHeight() const {
if (!m_pPDFPage && !m_pXFAPageView)
return 0.0f;
int nDocType = m_pContext->GetDocType();
switch (nDocType) {
case DOCTYPE_PDF:
case DOCTYPE_STATIC_XFA: {
if (m_pPDFPage)
return m_pPDFPage->GetPageHeight();
break;
}
case DOCTYPE_DYNAMIC_XFA: {
if (m_pXFAPageView)
return m_pXFAPageView->GetPageViewRect().height;
break;
}
default:
return 0.0f;
}
return 0.0f;
}
void CPDFXFA_Page::DeviceToPage(int start_x,
int start_y,
int size_x,
int size_y,
int rotate,
int device_x,
int device_y,
double* page_x,
double* page_y) {
if (!m_pPDFPage && !m_pXFAPageView)
return;
FX_FLOAT page_x_f, page_y_f;
CFX_Matrix device2page;
device2page.SetReverse(
GetDisplayMatrix(start_x, start_y, size_x, size_y, rotate));
device2page.Transform(static_cast<FX_FLOAT>(device_x),
static_cast<FX_FLOAT>(device_y), page_x_f, page_y_f);
*page_x = page_x_f;
*page_y = page_y_f;
}
void CPDFXFA_Page::PageToDevice(int start_x,
int start_y,
int size_x,
int size_y,
int rotate,
double page_x,
double page_y,
int* device_x,
int* device_y) {
if (!m_pPDFPage && !m_pXFAPageView)
return;
FX_FLOAT device_x_f;
FX_FLOAT device_y_f;
CFX_Matrix page2device =
GetDisplayMatrix(start_x, start_y, size_x, size_y, rotate);
page2device.Transform(static_cast<FX_FLOAT>(page_x),
static_cast<FX_FLOAT>(page_y), device_x_f, device_y_f);
*device_x = FXSYS_round(device_x_f);
*device_y = FXSYS_round(device_y_f);
}
CFX_Matrix CPDFXFA_Page::GetDisplayMatrix(int xPos,
int yPos,
int xSize,
int ySize,
int iRotate) const {
if (!m_pPDFPage && !m_pXFAPageView)
return CFX_Matrix();
int nDocType = m_pContext->GetDocType();
switch (nDocType) {
case DOCTYPE_DYNAMIC_XFA: {
if (m_pXFAPageView) {
return m_pXFAPageView->GetDisplayMatrix(
CFX_Rect(xPos, yPos, xSize, ySize), iRotate);
}
break;
}
case DOCTYPE_PDF:
case DOCTYPE_STATIC_XFA: {
if (m_pPDFPage)
return m_pPDFPage->GetDisplayMatrix(xPos, yPos, xSize, ySize, iRotate);
break;
}
default:
return CFX_Matrix();
}
return CFX_Matrix();
}
|
