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/cvs/rxvt-unicode/src/background.h
Revision: 1.22
Committed: Sun Oct 3 20:48:34 2010 UTC (13 years, 7 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.21: +1 -0 lines
Log Message:
Recompute the bg image on resize if tiling is requested and the image
is cropped.

File Contents

# Content
1 /*
2 * background.h
3 */
4
5 #ifndef BACKGROUND_H_
6 #define BACKGROUND_H_
7
8 #ifdef HAVE_AFTERIMAGE
9 # include <afterimage.h>
10 # undef min
11 # undef max
12 #endif
13
14 #ifdef HAVE_PIXBUF
15 #include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
16 #endif
17
18 #if defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
19 # define HAVE_BG_PIXMAP 1 /* to simplify further usage */
20 struct bgPixmap_t
21 {
22 bgPixmap_t ();
23 void destroy ();
24
25 enum {
26 geometrySet = 1 << 0,
27 propScale = 1 << 1,
28 geometryFlags = geometrySet | propScale,
29
30 tintSet = 1 << 8,
31 tintNeeded = 1 << 9,
32 tintWholesome = 1 << 10,
33 tintServerSide = 1 << 11,
34 tintFlags = tintSet | tintServerSide | tintNeeded | tintWholesome,
35
36 blurNeeded = 1 << 12,
37 blurServerSide = 1 << 13, /* this doesn't work yet */
38
39 isTransparent = 1 << 16,
40 isInvalid = 1 << 17,
41 isVtOrigin = 1 << 18, /* if set pixmap has origin at corner of
42 vt window instead of parent[0]! */
43 hasChanged = 1 << 19,
44 sizeSensitive = 1 << 20,
45 };
46
47 unsigned int flags;
48
49 enum {
50 transpPmapTiled = 1 << 0,
51 transpPmapTinted = tintNeeded,
52 transpPmapBlured = blurNeeded,
53 transpTransformations = tintNeeded | blurNeeded,
54 }; /* these flags are returned by make_transparency_pixmap if called */
55
56 bool check_clearChanged ()
57 {
58 bool r = flags & hasChanged;
59 flags &= ~hasChanged;
60 return r;
61 };
62
63 # ifdef BG_IMAGE_FROM_FILE
64 # ifdef HAVE_AFTERIMAGE
65 ASImage *original_asim;
66 # endif
67
68 # ifdef HAVE_PIXBUF
69 GdkPixbuf *pixbuf;
70 # endif
71
72 void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
73 bool render_image (unsigned long background_flags);
74 bool have_image;
75
76 enum {
77 noScale = 0,
78 windowScale = 100,
79 defaultScale = windowScale,
80 centerAlign = 50,
81 defaultAlign = centerAlign,
82 rootAlign = -10000
83 };
84
85 unsigned int h_scale, v_scale;/* percents of the window size */
86 int h_align, v_align; /* percents of the window size:
87 0 - left align, 50 - center, 100 - right */
88 void unset_geometry ()
89 {
90 flags = flags & ~geometryFlags;
91 };
92 bool set_geometry (const char *geom);
93 void set_defaultGeometry ()
94 {
95 h_scale = v_scale = defaultScale;
96 h_align = v_align = defaultAlign;
97 flags |= geometrySet;
98 };
99
100 bool set_file (const char *file);
101 # endif /* BG_IMAGE_FROM_FILE */
102
103 rxvt_term *target;
104 bool set_target (rxvt_term *new_target);
105
106 # ifdef ENABLE_TRANSPARENCY
107 int root_depth; /* obtained when target is set */
108 Pixmap root_pixmap; /* current root pixmap set */
109 rxvt_color tint;
110 int shade;
111 int h_blurRadius, v_blurRadius;
112
113 bool set_transparent ();
114 bool set_blur_radius (const char *geom);
115 bool set_tint (rxvt_color &new_tint);
116 bool unset_tint ();
117 bool set_shade (const char *shade_str);
118 bool set_root_pixmap ();
119
120 unsigned long make_transparency_pixmap ();/* returns combination of the transpTransformations flags */
121 # endif
122 double invalid_since, valid_since;
123
124 Pixmap pixmap;
125 unsigned int pmap_width, pmap_height;
126 unsigned int pmap_depth;
127
128 bool window_size_sensitive ();
129 bool window_position_sensitive ();
130
131 bool is_parentOrigin ()
132 {
133 return !(flags & isVtOrigin);
134 };
135
136 bool need_client_side_rendering ();
137 void apply ();
138 bool render ();
139 void invalidate ()
140 {
141 if (!(flags & isInvalid))
142 {
143 flags |= isInvalid;
144 invalid_since = ev::now ();
145 }
146 };
147 };
148 #else
149 # undef HAVE_BG_PIXMAP
150 #endif
151
152
153
154 #endif /* _BACKGROUND_H_ */