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
|
#include "mupdf/fitz.h"
#include "xps-imp.h"
#include <string.h>
static fz_image *
xps_load_image(fz_context *ctx, xps_document *doc, xps_part *part)
{
return fz_new_image_from_buffer(ctx, part->data);
}
/* FIXME: area unused! */
static void
xps_paint_image_brush(fz_context *ctx, xps_document *doc, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict,
fz_xml *root, void *vimage)
{
fz_image *image = vimage;
float xs, ys;
if (image->xres == 0 || image->yres == 0)
return;
xs = image->w * 96 / image->xres;
ys = image->h * 96 / image->yres;
ctm = fz_pre_scale(ctm, xs, ys);
fz_fill_image(ctx, doc->dev, image, ctm, doc->opacity[doc->opacity_top], fz_default_color_params);
}
static void
xps_find_image_brush_source_part(fz_context *ctx, xps_document *doc, char *base_uri, fz_xml *root, xps_part **image_part, xps_part **profile_part)
{
char *image_source_att;
char buf[1024];
char partname[1024];
char *image_name;
char *profile_name;
char *p;
image_source_att = fz_xml_att(root, "ImageSource");
if (!image_source_att)
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot find image source attribute");
/* "{ColorConvertedBitmap /Resources/Image.tiff /Resources/Profile.icc}" */
if (strstr(image_source_att, "{ColorConvertedBitmap") == image_source_att)
{
image_name = NULL;
profile_name = NULL;
fz_strlcpy(buf, image_source_att, sizeof buf);
p = strchr(buf, ' ');
if (p)
{
image_name = p + 1;
p = strchr(p + 1, ' ');
if (p)
{
*p = 0;
profile_name = p + 1;
p = strchr(p + 1, '}');
if (p)
*p = 0;
}
}
}
else
{
image_name = image_source_att;
profile_name = NULL;
}
if (!image_name)
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot find image source");
if (image_part)
{
xps_resolve_url(ctx, doc, partname, base_uri, image_name, sizeof partname);
*image_part = xps_read_part(ctx, doc, partname);
}
if (profile_part)
{
if (profile_name)
{
xps_resolve_url(ctx, doc, partname, base_uri, profile_name, sizeof partname);
*profile_part = xps_read_part(ctx, doc, partname);
}
else
*profile_part = NULL;
}
}
void
xps_parse_image_brush(fz_context *ctx, xps_document *doc, fz_matrix ctm, fz_rect area,
char *base_uri, xps_resource *dict, fz_xml *root)
{
xps_part *part = NULL;
fz_image *image = NULL;
fz_try(ctx)
{
xps_find_image_brush_source_part(ctx, doc, base_uri, root, &part, NULL);
}
fz_catch(ctx)
{
if (fz_caught(ctx) == FZ_ERROR_TRYLATER)
{
if (doc->cookie)
doc->cookie->incomplete = 1;
}
else
fz_warn(ctx, "cannot find image source");
return;
}
fz_try(ctx)
{
image = xps_load_image(ctx, doc, part);
}
fz_always(ctx)
{
xps_drop_part(ctx, doc, part);
}
fz_catch(ctx)
{
fz_warn(ctx, "cannot decode image resource");
return;
}
fz_try(ctx)
xps_parse_tiling_brush(ctx, doc, ctm, area, base_uri, dict, root, xps_paint_image_brush, image);
fz_always(ctx)
fz_drop_image(ctx, image);
fz_catch(ctx)
fz_rethrow(ctx);
}
|
