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/cvs/rxvt-unicode/src/background.h
Revision: 1.28
Committed: Wed Oct 13 23:04:57 2010 UTC (13 years, 7 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.27: +2 -1 lines
Log Message:
Add support for blurring the root background with XRender.

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 rootAlign = 1 << 2,
29 geometryFlags = geometrySet | propScale | rootAlign,
30
31 tintSet = 1 << 8,
32 tintNeeded = 1 << 9,
33 tintWholesome = 1 << 10,
34 tintServerSide = 1 << 11,
35 tintFlags = tintSet | tintServerSide | tintNeeded | tintWholesome,
36
37 blurNeeded = 1 << 12,
38 blurServerSide = 1 << 13,
39
40 isTransparent = 1 << 16,
41 isInvalid = 1 << 17,
42 isVtOrigin = 1 << 18, /* if set pixmap has origin at corner of
43 vt window instead of parent[0]! */
44 hasChanged = 1 << 19,
45 sizeSensitive = 1 << 20,
46 };
47
48 unsigned int flags;
49
50 enum {
51 transpPmapTiled = 1 << 0,
52 transpPmapTinted = tintNeeded,
53 transpPmapBlurred = blurNeeded,
54 transpTransformations = tintNeeded | blurNeeded,
55 }; /* these flags are returned by make_transparency_pixmap if called */
56
57 bool check_clearChanged ()
58 {
59 bool r = flags & hasChanged;
60 flags &= ~hasChanged;
61 return r;
62 };
63
64 # ifdef BG_IMAGE_FROM_FILE
65 # ifdef HAVE_AFTERIMAGE
66 ASImage *original_asim;
67 # endif
68
69 # ifdef HAVE_PIXBUF
70 GdkPixbuf *pixbuf;
71 # endif
72
73 void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
74 bool render_image (unsigned long background_flags);
75 bool have_image;
76
77 enum {
78 noScale = 0,
79 windowScale = 100,
80 defaultScale = windowScale,
81 centerAlign = 50,
82 defaultAlign = centerAlign,
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 blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
119 bool tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
120 bool set_root_pixmap ();
121
122 unsigned long make_transparency_pixmap ();/* returns combination of the transpTransformations flags */
123 # endif
124 double invalid_since, valid_since;
125
126 Pixmap pixmap;
127 unsigned int pmap_width, pmap_height;
128 unsigned int pmap_depth;
129
130 bool window_size_sensitive ();
131 bool window_position_sensitive ();
132
133 bool is_parentOrigin ()
134 {
135 return !(flags & isVtOrigin);
136 };
137
138 bool need_client_side_rendering ();
139 void apply ();
140 bool render ();
141 void invalidate ()
142 {
143 if (!(flags & isInvalid))
144 {
145 flags |= isInvalid;
146 invalid_since = ev::now ();
147 }
148 };
149 };
150 #else
151 # undef HAVE_BG_PIXMAP
152 #endif
153
154
155
156 #endif /* _BACKGROUND_H_ */