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/cvs/rxvt-unicode/src/background.h
Revision: 1.37
Committed: Fri Nov 19 23:29:30 2010 UTC (13 years, 6 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
Changes since 1.36: +3 -0 lines
Log Message:
Keep track of the window position to avoid spurious redraws when the bg
image is sensitive to position.

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 propScale = 1 << 1,
27 rootAlign = 1 << 2,
28 geometryFlags = propScale | rootAlign,
29
30 tintSet = 1 << 8,
31 tintNeeded = 1 << 9,
32 tintWholesome = 1 << 10,
33 tintFlags = tintSet | tintNeeded | tintWholesome,
34
35 blurNeeded = 1 << 11,
36
37 HAS_RENDER = 1 << 12,
38 HAS_RENDER_CONV = 1 << 13,
39
40 isTransparent = 1 << 16,
41 isInvalid = 1 << 17,
42 hasChanged = 1 << 19,
43 sizeSensitive = 1 << 20,
44 };
45
46 unsigned int flags;
47
48 enum {
49 transpPmapTiled = 1 << 0,
50 transpPmapTinted = tintNeeded,
51 transpPmapBlurred = blurNeeded,
52 transpTransformations = tintNeeded | blurNeeded,
53 }; /* these flags are returned by make_transparency_pixmap if called */
54
55 # ifdef BG_IMAGE_FROM_FILE
56 # ifdef HAVE_AFTERIMAGE
57 ASImage *original_asim;
58 # endif
59
60 # ifdef HAVE_PIXBUF
61 GdkPixbuf *pixbuf;
62 # endif
63
64 void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
65 bool render_image (unsigned long background_flags);
66 bool have_image;
67
68 enum {
69 noScale = 0,
70 windowScale = 100,
71 defaultScale = windowScale,
72 centerAlign = 50,
73 defaultAlign = centerAlign,
74 };
75
76 unsigned int h_scale, v_scale;/* percents of the window size */
77 int h_align, v_align; /* percents of the window size:
78 0 - left align, 50 - center, 100 - right */
79 bool set_geometry (const char *geom, bool update = false);
80 void set_defaultGeometry ()
81 {
82 h_scale = v_scale = defaultScale;
83 h_align = v_align = defaultAlign;
84 }
85
86 bool set_file (const char *file);
87 # endif /* BG_IMAGE_FROM_FILE */
88
89 rxvt_term *target;
90 void set_target (rxvt_term *new_target);
91
92 # ifdef ENABLE_TRANSPARENCY
93 Pixmap root_pixmap; /* current root pixmap set */
94 rxvt_color tint;
95 int shade;
96 int h_blurRadius, v_blurRadius;
97
98 bool set_transparent ();
99 bool set_blur_radius (const char *geom);
100 bool set_tint (rxvt_color &new_tint);
101 bool unset_tint ();
102 bool set_shade (const char *shade_str);
103 bool blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
104 bool tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
105 void set_root_pixmap ();
106
107 unsigned long make_transparency_pixmap ();/* returns combination of the transpTransformations flags */
108 # endif
109 double invalid_since, valid_since;
110
111 Pixmap pixmap;
112 unsigned int pmap_width, pmap_height;
113 unsigned int pmap_depth;
114
115 int target_x;
116 int target_y;
117 bool set_position (int x, int y);
118 bool window_size_sensitive ();
119 bool window_position_sensitive ();
120
121 bool need_client_side_rendering ();
122 void apply ();
123 bool render ();
124 void invalidate ()
125 {
126 if (!(flags & isInvalid))
127 {
128 flags |= isInvalid;
129 invalid_since = ev::now ();
130 }
131 }
132 };
133 #else
134 # undef HAVE_BG_PIXMAP
135 #endif
136
137
138
139 #endif /* _BACKGROUND_H_ */