rxvt-unicode/src/background.h

/*
 * background.h
 */

#ifndef BACKGROUND_H_
#define BACKGROUND_H_

#ifdef HAVE_AFTERIMAGE
# include <afterimage.h>
# undef min
# undef max
#endif

#if defined(BG_IMAGE_FROM_FILE) || defined(ENABLE_TRANSPARENCY)
# define HAVE_BG_PIXMAP 1 /* to simplify further usage */
struct bgPixmap_t
{
  bgPixmap_t ();
  void destroy ();

  enum {
    geometrySet     = 1 <<  0,
    propScale       = 1 <<  1,
    geometryFlags   = geometrySet | propScale,

    tintSet         = 1 <<  8,
    tintNeeded      = 1 <<  9,
    tintWholesome   = 1 << 10,
    tintServerSide  = 1 << 11,
    tintFlags       = tintSet | tintServerSide | tintNeeded | tintWholesome,

    blurNeeded      = 1 << 12,
    blurServerSide  = 1 << 13, /* this doesn't work yet */

    isTransparent   = 1 << 16,
    isInvalid       = 1 << 17,
    isVtOrigin      = 1 << 18,  /* if set pixmap has origin at corner of
                                   vt window instead of parent[0]! */
    hasChanged      = 1 << 19,
  };

  unsigned int flags;

  enum {
    transpPmapTiled       = 1 << 0,
    transpPmapTinted      = tintNeeded,
    transpPmapBlured      = blurNeeded,
    transpTransformations = tintNeeded | blurNeeded,
  }; /* these flags are returned by make_transparency_pixmap if called */

  bool check_clearChanged ()
  {
    bool r = flags & hasChanged;
    flags &= ~hasChanged;
    return r;
  };

# ifdef  BG_IMAGE_FROM_FILE
#  ifdef HAVE_AFTERIMAGE
  ASImage *original_asim;
  bool render_asim (unsigned long background_flags);
#  endif

  bool have_image;

  enum {
    noScale = 0,
    windowScale = 100,
    defaultScale = windowScale,
    centerAlign = 50,
    defaultAlign = centerAlign,
    rootAlign = -10000
  };

  unsigned int h_scale, v_scale;/* percents of the window size */
  int h_align, v_align;         /* percents of the window size:
                                  0 - left align, 50 - center, 100 - right */
  void unset_geometry ()
  {
    flags = flags & ~geometryFlags;
  };
  bool set_geometry (const char *geom);
  void set_defaultGeometry ()
  {
    h_scale = v_scale = defaultScale;
    h_align = v_align = defaultAlign;
    flags |= geometrySet;
  };

  bool set_file (const char *file);
# endif /* BG_IMAGE_FROM_FILE */

  rxvt_term *target;
  bool set_target (rxvt_term *new_target);

# ifdef ENABLE_TRANSPARENCY
  int         root_depth; /* obtained when target is set */
  Pixmap      root_pixmap; /* current root pixmap set */
  rxvt_color  tint;
  int         shade;
  int         h_blurRadius, v_blurRadius;

  bool set_transparent ();
  bool set_blur_radius (const char *geom);
  bool set_tint (rxvt_color &new_tint);
  bool unset_tint ();
  bool set_shade (const char *shade_str);
  bool set_root_pixmap ();

  unsigned long make_transparency_pixmap ();/* returns combination of the transpTransformations flags */
# endif
  double invalid_since, valid_since;

  Pixmap pixmap;
  unsigned int pmap_width, pmap_height;
  unsigned int pmap_depth;

  bool window_size_sensitive ();
  bool window_position_sensitive ();

  bool is_parentOrigin ()
  {
    return !(flags & isVtOrigin);
  };

  bool need_client_side_rendering ();
  void apply ();
  bool render ();
  void invalidate ()
  {
    if (!(flags & isInvalid))
      {
        flags |= isInvalid;
        invalid_since = ev::now ();
      }
  };
};
#else
# undef HAVE_BG_PIXMAP
#endif


#endif /* _BACKGROUND_H_ */
Revision:	1.18
Committed:	Tue Aug 31 15:12:49 2010 UTC (13 years, 8 months ago) by sf-exg
Content type:	text/plain
Branch:	MAIN
Changes since 1.17:	+2 -0 lines
Log Message:	Add 'have_image' boolean to indicate whether we have successfully loaded a background image.
#	User	Rev	Content
1	sasha	1.1	/*
2			* background.h
3			*/
4
5			#ifndef BACKGROUND_H_
6			#define BACKGROUND_H_
7
8			#ifdef HAVE_AFTERIMAGE
9	sasha	1.4	# include <afterimage.h>
10			# undef min
11			# undef max
12	sasha	1.1	#endif
13
14	sasha	1.2	#if defined(BG_IMAGE_FROM_FILE) \|\| defined(ENABLE_TRANSPARENCY)
15	ayin	1.15	# define HAVE_BG_PIXMAP 1 /* to simplify further usage */
16	root	1.10	struct bgPixmap_t
17			{
18			bgPixmap_t ();
19			void destroy ();
20	sasha	1.2
21	sasha	1.1	enum {
22	root	1.16	geometrySet = 1 << 0,
23			propScale = 1 << 1,
24			geometryFlags = geometrySet \| propScale,
25
26			tintSet = 1 << 8,
27			tintNeeded = 1 << 9,
28			tintWholesome = 1 << 10,
29			tintServerSide = 1 << 11,
30			tintFlags = tintSet \| tintServerSide \| tintNeeded \| tintWholesome,
31
32			blurNeeded = 1 << 12,
33			blurServerSide = 1 << 13, /* this doesn't work yet */
34
35			isTransparent = 1 << 16,
36			isInvalid = 1 << 17,
37			isVtOrigin = 1 << 18, /* if set pixmap has origin at corner of
38			vt window instead of parent[0]! */
39			hasChanged = 1 << 19,
40	sasha	1.1	};
41
42	root	1.16	unsigned int flags;
43	sasha	1.1
44			enum {
45	root	1.16	transpPmapTiled = 1 << 0,
46			transpPmapTinted = tintNeeded,
47			transpPmapBlured = blurNeeded,
48			transpTransformations = tintNeeded \| blurNeeded,
49	ayin	1.15	}; /* these flags are returned by make_transparency_pixmap if called */
50	sasha	1.1
51	root	1.16	bool check_clearChanged ()
52			{
53			bool r = flags & hasChanged;
54			flags &= ~hasChanged;
55			return r;
56			};
57	ayin	1.5
58	sasha	1.2	# ifdef BG_IMAGE_FROM_FILE
59	sasha	1.1	# ifdef HAVE_AFTERIMAGE
60			ASImage *original_asim;
61	sf-exg	1.17	bool render_asim (unsigned long background_flags);
62	sasha	1.1	# endif
63
64	sf-exg	1.18	bool have_image;
65
66	sasha	1.11	enum {
67			noScale = 0,
68			windowScale = 100,
69			defaultScale = windowScale,
70			centerAlign = 50,
71			defaultAlign = centerAlign,
72			rootAlign = -10000
73			};
74	sasha	1.1
75			unsigned int h_scale, v_scale;/* percents of the window size */
76			int h_align, v_align; /* percents of the window size:
77			0 - left align, 50 - center, 100 - right */
78	root	1.16	void unset_geometry ()
79			{
80			flags = flags & ~geometryFlags;
81			};
82	sasha	1.1	bool set_geometry (const char *geom);
83			void set_defaultGeometry ()
84			{
85			h_scale = v_scale = defaultScale;
86			h_align = v_align = defaultAlign;
87			flags \|= geometrySet;
88			};
89
90			bool set_file (const char *file);
91	sasha	1.2	# endif /* BG_IMAGE_FROM_FILE */
92	sasha	1.1
93			rxvt_term *target;
94			bool set_target (rxvt_term *new_target);
95
96			# ifdef ENABLE_TRANSPARENCY
97			int root_depth; /* obtained when target is set */
98			Pixmap root_pixmap; /* current root pixmap set */
99			rxvt_color tint;
100			int shade;
101			int h_blurRadius, v_blurRadius;
102
103			bool set_transparent ();
104			bool set_blur_radius (const char *geom);
105			bool set_tint (rxvt_color &new_tint);
106			bool unset_tint ();
107			bool set_shade (const char *shade_str);
108			bool set_root_pixmap ();
109
110			unsigned long make_transparency_pixmap ();/* returns combination of the transpTransformations flags */
111			# endif
112	sasha	1.13	double invalid_since, valid_since;
113	sasha	1.1
114			Pixmap pixmap;
115			unsigned int pmap_width, pmap_height;
116			unsigned int pmap_depth;
117
118			bool window_size_sensitive ();
119	sasha	1.9	bool window_position_sensitive ();
120	sasha	1.1
121	ayin	1.14	bool is_parentOrigin ()
122			{
123	sasha	1.1	return !(flags & isVtOrigin);
124			};
125
126			bool need_client_side_rendering ();
127			void apply ();
128			bool render ();
129	root	1.12	void invalidate ()
130			{
131	sasha	1.1	if (!(flags & isInvalid))
132	ayin	1.5	{
133			flags \|= isInvalid;
134	root	1.6	invalid_since = ev::now ();
135	sasha	1.1	}
136			};
137			};
138			#else
139			# undef HAVE_BG_PIXMAP
140			#endif
141
142
143
144	ayin	1.8	#endif /* _BACKGROUND_H_ */