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/gdk-pixbuf.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 {
    propScale       = 1 <<  1,
    rootAlign       = 1 <<  2,
    geometryFlags   = propScale | rootAlign,

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

    blurNeeded      = 1 << 11,

    HAS_RENDER      = 1 << 12,
    HAS_RENDER_CONV = 1 << 13,

    isTransparent   = 1 << 16,
    isInvalid       = 1 << 17,
    hasChanged      = 1 << 19,
    sizeSensitive   = 1 << 20,
  };

  unsigned int flags;

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

# ifdef  BG_IMAGE_FROM_FILE
#  ifdef HAVE_AFTERIMAGE
  ASImage *original_asim;
#  endif

#  ifdef HAVE_PIXBUF
  GdkPixbuf *pixbuf;
  bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
                         int src_x, int src_y, int dst_x, int dst_y,
                         unsigned int width, unsigned int height);
#  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,
  };

  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 */
  bool set_geometry (const char *geom, bool update = false);
  void set_defaultGeometry ()
  {
    h_scale = v_scale = defaultScale;
    h_align = v_align = defaultAlign;
  }

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

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

# ifdef ENABLE_TRANSPARENCY
  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 blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
  bool tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
  void 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;

  int target_x;
  int target_y;
  bool set_position (int x, int y);
  bool window_size_sensitive ();
  bool window_position_sensitive ();

  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:	1.38
Committed:	Thu Dec 2 11:02:16 2010 UTC (13 years, 5 months ago) by sf-exg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-9_10
Changes since 1.37:	+4 -1 lines
Log Message:	Implement our own pixbuf to pixmap rendering to get rid of dependency on buggy gtk-pixbuf-xlib. Only truecolor visuals are supported.
#	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	sf-exg	1.38	#include <gdk-pixbuf/gdk-pixbuf.h>
16	sf-exg	1.20	#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	propScale = 1 << 1,
27	sf-exg	1.23	rootAlign = 1 << 2,
28	sf-exg	1.36	geometryFlags = propScale \| rootAlign,
29	root	1.16
30			tintSet = 1 << 8,
31			tintNeeded = 1 << 9,
32			tintWholesome = 1 << 10,
33	sf-exg	1.34	tintFlags = tintSet \| tintNeeded \| tintWholesome,
34	root	1.16
35	sf-exg	1.34	blurNeeded = 1 << 11,
36
37			HAS_RENDER = 1 << 12,
38			HAS_RENDER_CONV = 1 << 13,
39	root	1.16
40			isTransparent = 1 << 16,
41			isInvalid = 1 << 17,
42			hasChanged = 1 << 19,
43	sf-exg	1.22	sizeSensitive = 1 << 20,
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	sf-exg	1.26	transpPmapBlurred = blurNeeded,
52	root	1.16	transpTransformations = tintNeeded \| blurNeeded,
53	ayin	1.15	}; /* these flags are returned by make_transparency_pixmap if called */
54	sasha	1.1
55	sasha	1.2	# ifdef BG_IMAGE_FROM_FILE
56	sasha	1.1	# ifdef HAVE_AFTERIMAGE
57			ASImage *original_asim;
58			# endif
59
60	sf-exg	1.20	# ifdef HAVE_PIXBUF
61			GdkPixbuf *pixbuf;
62	sf-exg	1.38	bool pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
63			int src_x, int src_y, int dst_x, int dst_y,
64			unsigned int width, unsigned int height);
65	sf-exg	1.20	# endif
66
67	sf-exg	1.21	void get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y);
68	sf-exg	1.19	bool render_image (unsigned long background_flags);
69	sf-exg	1.18	bool have_image;
70
71	sasha	1.11	enum {
72			noScale = 0,
73			windowScale = 100,
74			defaultScale = windowScale,
75			centerAlign = 50,
76			defaultAlign = centerAlign,
77			};
78	sasha	1.1
79			unsigned int h_scale, v_scale;/* percents of the window size */
80			int h_align, v_align; /* percents of the window size:
81			0 - left align, 50 - center, 100 - right */
82	sf-exg	1.36	bool set_geometry (const char *geom, bool update = false);
83	sasha	1.1	void set_defaultGeometry ()
84			{
85			h_scale = v_scale = defaultScale;
86			h_align = v_align = defaultAlign;
87	sf-exg	1.35	}
88	sasha	1.1
89			bool set_file (const char *file);
90	sasha	1.2	# endif /* BG_IMAGE_FROM_FILE */
91	sasha	1.1
92			rxvt_term *target;
93	sf-exg	1.33	void set_target (rxvt_term *new_target);
94	sasha	1.1
95			# ifdef ENABLE_TRANSPARENCY
96			Pixmap root_pixmap; /* current root pixmap set */
97			rxvt_color tint;
98			int shade;
99			int h_blurRadius, v_blurRadius;
100
101			bool set_transparent ();
102			bool set_blur_radius (const char *geom);
103			bool set_tint (rxvt_color &new_tint);
104			bool unset_tint ();
105			bool set_shade (const char *shade_str);
106	sf-exg	1.28	bool blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
107	sf-exg	1.27	bool tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height);
108	sf-exg	1.30	void set_root_pixmap ();
109	sasha	1.1
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	sf-exg	1.37	int target_x;
119			int target_y;
120			bool set_position (int x, int y);
121	sasha	1.1	bool window_size_sensitive ();
122	sasha	1.9	bool window_position_sensitive ();
123	sasha	1.1
124			bool need_client_side_rendering ();
125			void apply ();
126			bool render ();
127	root	1.12	void invalidate ()
128			{
129	sasha	1.1	if (!(flags & isInvalid))
130	ayin	1.5	{
131			flags \|= isInvalid;
132	root	1.6	invalid_since = ev::now ();
133	sasha	1.1	}
134	sf-exg	1.35	}
135	sasha	1.1	};
136			#else
137			# undef HAVE_BG_PIXMAP
138			#endif
139
140
141
142	ayin	1.8	#endif /* _BACKGROUND_H_ */