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/cvs/rxvt-unicode/src/background.h
Revision: 1.3
Committed: Tue Sep 18 22:01:36 2007 UTC (16 years, 8 months ago) by sasha
Content type: text/plain
Branch: MAIN
Changes since 1.2: +4 -1 lines
Log Message:
improved flickering on move/resize with transparent background

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 #endif
11
12 #if defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
13 # define HAVE_BG_PIXMAP 1/* to simplify further usage */
14 struct bgPixmap_t {
15
16 bgPixmap_t();
17
18 enum {
19 geometrySet = (1UL<<0),
20 propScale = (1UL<<1),
21 geometryFlags = (geometrySet|propScale),
22
23 tintSet = (1UL<<8),
24 tintNeeded = (1UL<<9),
25 tintWholesome = (1UL<<10),
26 tintServerSide = (1UL<<11),
27 tintFlags = (tintSet|tintServerSide|tintNeeded|tintWholesome),
28 blurNeeded = (1UL<<12),
29 blurServerSide = (1UL<<13), /* this don't work yet */
30
31 isTransparent = (1UL<<16),
32 isInvalid = (1UL<<17),
33 isVtOrigin = (1UL<<18), /* if set pixmap has origin at corner of
34 vt window instead of parent[0]! */
35 hasChanged = (1UL<<19)
36 };
37
38 unsigned long flags;
39
40 enum {
41 transpPmapTiled = (1UL<<0),
42 transpPmapTinted = tintNeeded,
43 transpPmapBlured = blurNeeded,
44 transpTransformations = (tintNeeded|blurNeeded)
45 }; /* this flags are returned by make_transparency_pixmap if called */
46
47 bool check_clearChanged () { bool r = flags & hasChanged; flags &= ~hasChanged; return r; };
48
49 # ifdef BG_IMAGE_FROM_FILE
50 # ifdef HAVE_AFTERIMAGE
51 ASImage *original_asim;
52 bool render_asim (ASImage *background, ARGB32 background_tint);
53 # endif
54
55 enum { defaultScale = 100, defaultAlign = 50 };
56
57 unsigned int h_scale, v_scale;/* percents of the window size */
58 int h_align, v_align; /* percents of the window size:
59 0 - left align, 50 - center, 100 - right */
60 void unset_geometry () { flags = flags & ~geometryFlags; };
61 bool set_geometry (const char *geom);
62 void set_defaultGeometry ()
63 {
64 h_scale = v_scale = defaultScale;
65 h_align = v_align = defaultAlign;
66 flags |= geometrySet;
67 };
68
69 bool set_file (const char *file);
70 # endif /* BG_IMAGE_FROM_FILE */
71
72 rxvt_term *target;
73 bool set_target (rxvt_term *new_target);
74
75 # ifdef ENABLE_TRANSPARENCY
76 int root_depth; /* obtained when target is set */
77 Pixmap root_pixmap; /* current root pixmap set */
78 rxvt_color tint;
79 int shade;
80 int h_blurRadius, v_blurRadius;
81
82 bool set_transparent ();
83 bool set_blur_radius (const char *geom);
84 bool set_tint (rxvt_color &new_tint);
85 bool unset_tint ();
86 bool set_shade (const char *shade_str);
87 bool set_root_pixmap ();
88
89 unsigned long make_transparency_pixmap ();/* returns combination of the transpTransformations flags */
90 # endif
91 double invalid_since;
92
93 Pixmap pixmap;
94 unsigned int pmap_width, pmap_height;
95 unsigned int pmap_depth;
96
97 bool window_size_sensitive ();
98 bool window_position_sensitive () {
99 return (flags & isTransparent);
100 };
101
102 bool is_parentOrigin () {
103 return !(flags & isVtOrigin);
104 };
105
106 bool need_client_side_rendering ();
107 void apply ();
108 bool render ();
109 void invalidate () {
110 if (!(flags & isInvalid))
111 {
112 flags |= isInvalid;
113 invalid_since = NOW;
114 }
115 };
116 };
117 #else
118 # undef HAVE_BG_PIXMAP
119 #endif
120
121
122
123 #endif /* _BACKGROUND_H_ */