/usr/include/mutter/meta/meta-shadow-factory.h is in libmutter-2-dev 3.28.1-1ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* MetaShadowFactory:
*
* Create and cache shadow textures for arbitrary window shapes
*
* Copyright (C) 2010 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __META_SHADOW_FACTORY_H__
#define __META_SHADOW_FACTORY_H__
#include <cairo.h>
#include <clutter/clutter.h>
#include <meta/meta-window-shape.h>
GType meta_shadow_get_type (void) G_GNUC_CONST;
/**
* MetaShadowParams:
* @radius: the radius (gaussian standard deviation) of the shadow
* @top_fade: if >= 0, the shadow doesn't extend above the top
* of the shape, and fades out over the given number of pixels
* @x_offset: horizontal offset of the shadow with respect to the
* shape being shadowed, in pixels
* @y_offset: vertical offset of the shadow with respect to the
* shape being shadowed, in pixels
* @opacity: opacity of the shadow, from 0 to 255
*
* The #MetaShadowParams structure holds information about how to draw
* a particular style of shadow.
*/
typedef struct _MetaShadowParams MetaShadowParams;
struct _MetaShadowParams
{
int radius;
int top_fade;
int x_offset;
int y_offset;
guint8 opacity;
};
#define META_TYPE_SHADOW_FACTORY (meta_shadow_factory_get_type ())
#define META_SHADOW_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_SHADOW_FACTORY, MetaShadowFactory))
#define META_SHADOW_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_SHADOW_FACTORY, MetaShadowFactoryClass))
#define META_IS_SHADOW_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_SHADOW_FACTORY))
#define META_IS_SHADOW_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_SHADOW_FACTORY))
#define META_SHADOW_FACTORY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_SHADOW_FACTORY, MetaShadowFactoryClass))
/**
* MetaShadowFactory:
*
* #MetaShadowFactory is used to create window shadows. It caches shadows internally
* so that multiple shadows created for the same shape with the same radius will
* share the same MetaShadow.
*/
typedef struct _MetaShadowFactory MetaShadowFactory;
typedef struct _MetaShadowFactoryClass MetaShadowFactoryClass;
MetaShadowFactory *meta_shadow_factory_get_default (void);
GType meta_shadow_factory_get_type (void);
void meta_shadow_factory_set_params (MetaShadowFactory *factory,
const char *class_name,
gboolean focused,
MetaShadowParams *params);
void meta_shadow_factory_get_params (MetaShadowFactory *factory,
const char *class_name,
gboolean focused,
MetaShadowParams *params);
/**
* MetaShadow:
* #MetaShadow holds a shadow texture along with information about how to
* apply that texture to draw a window texture. (E.g., it knows how big the
* unscaled borders are on each side of the shadow texture.)
*/
typedef struct _MetaShadow MetaShadow;
MetaShadow *meta_shadow_ref (MetaShadow *shadow);
void meta_shadow_unref (MetaShadow *shadow);
void meta_shadow_paint (MetaShadow *shadow,
int window_x,
int window_y,
int window_width,
int window_height,
guint8 opacity,
cairo_region_t *clip,
gboolean clip_strictly);
void meta_shadow_get_bounds (MetaShadow *shadow,
int window_x,
int window_y,
int window_width,
int window_height,
cairo_rectangle_int_t *bounds);
MetaShadowFactory *meta_shadow_factory_new (void);
MetaShadow *meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
MetaWindowShape *shape,
int width,
int height,
const char *class_name,
gboolean focused);
#endif /* __META_SHADOW_FACTORY_H__ */
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