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
|
#include "mupdf/pdf.h"
static void
pdf_run_annot_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, pdf_annot *annot, fz_device *dev, const fz_matrix *ctm, char *event, fz_cookie *cookie)
{
fz_matrix local_ctm;
pdf_processor *proc;
fz_concat(&local_ctm, &page->ctm, ctm);
proc = pdf_new_run_processor(ctx, dev, &local_ctm, event, NULL, 0);
fz_try(ctx)
pdf_process_annot(ctx, proc, doc, page, annot, cookie);
fz_always(ctx)
pdf_drop_processor(ctx, proc);
fz_catch(ctx)
fz_rethrow(ctx);
}
static void pdf_run_page_contents_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, fz_device *dev, const fz_matrix *ctm, char *event, fz_cookie *cookie)
{
fz_matrix local_ctm;
pdf_processor *proc;
fz_concat(&local_ctm, &page->ctm, ctm);
if (page->transparency)
{
fz_rect mediabox = page->mediabox;
fz_begin_group(ctx, dev, fz_transform_rect(&mediabox, &local_ctm), 1, 0, 0, 1);
}
proc = pdf_new_run_processor(ctx, dev, &local_ctm, event, NULL, 0);
fz_try(ctx)
pdf_process_contents(ctx, proc, doc, page->resources, page->contents, cookie);
fz_always(ctx)
pdf_drop_processor(ctx, proc);
fz_catch(ctx)
fz_rethrow(ctx);
if (page->transparency)
fz_end_group(ctx, dev);
}
void pdf_run_page_contents(fz_context *ctx, pdf_page *page, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie)
{
pdf_document *doc = page->doc;
int nocache;
nocache = !!(dev->hints & FZ_NO_CACHE);
if (nocache)
pdf_mark_xref(ctx, doc);
fz_try(ctx)
{
pdf_run_page_contents_with_usage(ctx, doc, page, dev, ctm, "View", cookie);
}
fz_always(ctx)
{
if (nocache)
pdf_clear_xref_to_mark(ctx, doc);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
if (page->incomplete & PDF_PAGE_INCOMPLETE_CONTENTS)
fz_throw(ctx, FZ_ERROR_TRYLATER, "incomplete rendering");
}
void pdf_run_annot(fz_context *ctx, pdf_annot *annot, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie)
{
pdf_page *page = annot->page;
pdf_document *doc = page->doc;
int nocache;
nocache = !!(dev->hints & FZ_NO_CACHE);
if (nocache)
pdf_mark_xref(ctx, doc);
fz_try(ctx)
{
pdf_run_annot_with_usage(ctx, doc, page, annot, dev, ctm, "View", cookie);
}
fz_always(ctx)
{
if (nocache)
pdf_clear_xref_to_mark(ctx, doc);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
if (page->incomplete & PDF_PAGE_INCOMPLETE_ANNOTS)
fz_throw(ctx, FZ_ERROR_TRYLATER, "incomplete rendering");
}
static void pdf_run_page_annots_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, fz_device *dev, const fz_matrix *ctm, char *event, fz_cookie *cookie)
{
pdf_annot *annot;
if (cookie && cookie->progress_max != -1)
{
int count = 1;
for (annot = page->annots; annot; annot = annot->next)
count++;
cookie->progress_max += count;
}
for (annot = page->annots; annot; annot = annot->next)
{
/* Check the cookie for aborting */
if (cookie)
{
if (cookie->abort)
break;
cookie->progress++;
}
pdf_run_annot_with_usage(ctx, doc, page, annot, dev, ctm, event, cookie);
}
}
void
pdf_run_page_with_usage(fz_context *ctx, pdf_document *doc, pdf_page *page, fz_device *dev, const fz_matrix *ctm, char *event, fz_cookie *cookie)
{
int nocache = !!(dev->hints & FZ_NO_CACHE);
if (nocache)
pdf_mark_xref(ctx, doc);
fz_try(ctx)
{
pdf_run_page_contents_with_usage(ctx, doc, page, dev, ctm, event, cookie);
pdf_run_page_annots_with_usage(ctx, doc, page, dev, ctm, event, cookie);
}
fz_always(ctx)
{
if (nocache)
pdf_clear_xref_to_mark(ctx, doc);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
if (page->incomplete)
fz_throw(ctx, FZ_ERROR_TRYLATER, "incomplete rendering");
}
void
pdf_run_page(fz_context *ctx, pdf_page *page, fz_device *dev, const fz_matrix *ctm, fz_cookie *cookie)
{
pdf_document *doc = page->doc;
pdf_run_page_with_usage(ctx, doc, page, dev, ctm, "View", cookie);
}
void
pdf_run_glyph(fz_context *ctx, pdf_document *doc, pdf_obj *resources, fz_buffer *contents, fz_device *dev, const fz_matrix *ctm, void *gstate, int nested_depth)
{
pdf_processor *proc;
if (nested_depth > 10)
fz_throw(ctx, FZ_ERROR_GENERIC, "Too many nestings of Type3 glyphs");
proc = pdf_new_run_processor(ctx, dev, ctm, "View", gstate, nested_depth+1);
fz_try(ctx)
pdf_process_glyph(ctx, proc, doc, resources, contents);
fz_always(ctx)
pdf_drop_processor(ctx, proc);
fz_catch(ctx)
fz_rethrow(ctx);
}
|