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
|
#include "ev-document-misc.h"
#include <string.h>
#include <gtk/gtk.h>
/* Returns a new GdkPixbuf that is suitable for placing in the thumbnail view.
* It is four pixels wider and taller than the source. If source_pixbuf is not
* NULL, then it will fill the return pixbuf with the contents of
* source_pixbuf.
*/
GdkPixbuf *
ev_document_misc_get_thumbnail_frame (int width,
int height,
GdkPixbuf *source_pixbuf)
{
GdkPixbuf *retval;
guchar *data;
gint rowstride;
int i;
if (source_pixbuf)
g_return_val_if_fail (GDK_IS_PIXBUF (source_pixbuf), NULL);
if (source_pixbuf) {
width = gdk_pixbuf_get_width (source_pixbuf);
height = gdk_pixbuf_get_height (source_pixbuf);
}
/* make sure no one is passing us garbage */
g_assert (width > 0 && height > 0);
retval = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
TRUE, 8,
width + 4,
height + 4);
/* make it black and fill in the middle */
data = gdk_pixbuf_get_pixels (retval);
rowstride = gdk_pixbuf_get_rowstride (retval);
gdk_pixbuf_fill (retval, 0x000000ff);
for (i = 1; i < height + 1; i++)
memset (data + (rowstride * i) + 4, 0xffffffff, width * 4);
/* copy the source pixbuf */
if (source_pixbuf)
gdk_pixbuf_copy_area (source_pixbuf, 0, 0,
width,
height,
retval,
1, 1);
/* Add the corner */
data [(width + 2) * 4 + 3] = 0;
data [(width + 3) * 4 + 3] = 0;
data [(width + 2) * 4 + (rowstride * 1) + 3] = 0;
data [(width + 3) * 4 + (rowstride * 1) + 3] = 0;
data [(height + 2) * rowstride + 3] = 0;
data [(height + 3) * rowstride + 3] = 0;
data [(height + 2) * rowstride + 4 + 3] = 0;
data [(height + 3) * rowstride + 4 + 3] = 0;
return retval;
}
void
ev_document_misc_get_page_border_size (gint page_width,
gint page_height,
GtkBorder *border)
{
g_assert (border);
border->left = 1;
border->top = 1;
if (page_width < 100) {
border->right = 2;
border->bottom = 2;
} else if (page_width < 500) {
border->right = 3;
border->bottom = 3;
} else {
border->right = 4;
border->bottom = 4;
}
}
void
ev_document_misc_paint_one_page (GdkDrawable *drawable,
GtkWidget *widget,
GdkRectangle *area,
GtkBorder *border)
{
gdk_draw_rectangle (drawable,
widget->style->black_gc,
TRUE,
area->x,
area->y,
area->width,
area->height);
gdk_draw_rectangle (drawable,
widget->style->white_gc,
TRUE,
area->x + border->left,
area->y + border->top,
area->width - (border->left + border->right),
area->height - (border->top + border->bottom));
gdk_draw_rectangle (drawable,
widget->style->mid_gc[widget->state],
TRUE,
area->x,
area->y + area->height - (border->bottom - border->top),
border->bottom - border->top,
border->bottom - border->top);
gdk_draw_rectangle (drawable,
widget->style->mid_gc[widget->state],
TRUE,
area->x + area->width - (border->right - border->left),
area->y,
border->right - border->left,
border->right - border->left);
}
|