rxvt-unicode/src/background.h

/*
 * background.h
 */

#ifndef BACKGROUND_H_
#define BACKGROUND_H_

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

#ifdef HAVE_PIXBUF
#include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
#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;
#  endif

#  ifdef HAVE_PIXBUF
  GdkPixbuf *pixbuf;
#  endif

  void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
  bool render_image (unsigned long background_flags);
  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:	1.21
Committed:	Wed Sep 8 22:17:06 2010 UTC (13 years, 8 months ago) by sf-exg
Content type:	text/plain
Branch:	MAIN
Changes since 1.20:	+1 -0 lines
Log Message:	Factor code to compute requested size and position of the background image into a function.
#	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	sf-exg	1.20	#ifdef HAVE_PIXBUF
15			#include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
16			#endif
17
18	sasha	1.2	#if defined(BG_IMAGE_FROM_FILE) \|\| defined(ENABLE_TRANSPARENCY)
19	ayin	1.15	# define HAVE_BG_PIXMAP 1 /* to simplify further usage */
20	root	1.10	struct bgPixmap_t
21			{
22			bgPixmap_t ();
23			void destroy ();
24	sasha	1.2
25	sasha	1.1	enum {
26	root	1.16	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	sasha	1.1	};
45
46	root	1.16	unsigned int flags;
47	sasha	1.1
48			enum {
49	root	1.16	transpPmapTiled = 1 << 0,
50			transpPmapTinted = tintNeeded,
51			transpPmapBlured = blurNeeded,
52			transpTransformations = tintNeeded \| blurNeeded,
53	ayin	1.15	}; /* these flags are returned by make_transparency_pixmap if called */
54	sasha	1.1
55	root	1.16	bool check_clearChanged ()
56			{
57			bool r = flags & hasChanged;
58			flags &= ~hasChanged;
59			return r;
60			};
61	ayin	1.5
62	sasha	1.2	# ifdef BG_IMAGE_FROM_FILE
63	sasha	1.1	# ifdef HAVE_AFTERIMAGE
64			ASImage *original_asim;
65			# endif
66
67	sf-exg	1.20	# ifdef HAVE_PIXBUF
68			GdkPixbuf *pixbuf;
69			# endif
70
71	sf-exg	1.21	void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
72	sf-exg	1.19	bool render_image (unsigned long background_flags);
73	sf-exg	1.18	bool have_image;
74
75	sasha	1.11	enum {
76			noScale = 0,
77			windowScale = 100,
78			defaultScale = windowScale,
79			centerAlign = 50,
80			defaultAlign = centerAlign,
81			rootAlign = -10000
82			};
83	sasha	1.1
84			unsigned int h_scale, v_scale;/* percents of the window size */
85			int h_align, v_align; /* percents of the window size:
86			0 - left align, 50 - center, 100 - right */
87	root	1.16	void unset_geometry ()
88			{
89			flags = flags & ~geometryFlags;
90			};
91	sasha	1.1	bool set_geometry (const char *geom);
92			void set_defaultGeometry ()
93			{
94			h_scale = v_scale = defaultScale;
95			h_align = v_align = defaultAlign;
96			flags \|= geometrySet;
97			};
98
99			bool set_file (const char *file);
100	sasha	1.2	# endif /* BG_IMAGE_FROM_FILE */
101	sasha	1.1
102			rxvt_term *target;
103			bool set_target (rxvt_term *new_target);
104
105			# ifdef ENABLE_TRANSPARENCY
106			int root_depth; /* obtained when target is set */
107			Pixmap root_pixmap; /* current root pixmap set */
108			rxvt_color tint;
109			int shade;
110			int h_blurRadius, v_blurRadius;
111
112			bool set_transparent ();
113			bool set_blur_radius (const char *geom);
114			bool set_tint (rxvt_color &new_tint);
115			bool unset_tint ();
116			bool set_shade (const char *shade_str);
117			bool set_root_pixmap ();
118
119			unsigned long make_transparency_pixmap ();/* returns combination of the transpTransformations flags */
120			# endif
121	sasha	1.13	double invalid_since, valid_since;
122	sasha	1.1
123			Pixmap pixmap;
124			unsigned int pmap_width, pmap_height;
125			unsigned int pmap_depth;
126
127			bool window_size_sensitive ();
128	sasha	1.9	bool window_position_sensitive ();
129	sasha	1.1
130	ayin	1.14	bool is_parentOrigin ()
131			{
132	sasha	1.1	return !(flags & isVtOrigin);
133			};
134
135			bool need_client_side_rendering ();
136			void apply ();
137			bool render ();
138	root	1.12	void invalidate ()
139			{
140	sasha	1.1	if (!(flags & isInvalid))
141	ayin	1.5	{
142			flags \|= isInvalid;
143	root	1.6	invalid_since = ev::now ();
144	sasha	1.1	}
145			};
146			};
147			#else
148			# undef HAVE_BG_PIXMAP
149			#endif
150
151
152
153	ayin	1.8	#endif /* _BACKGROUND_H_ */