e02fef8e2f
Make meson link libmutter using -fvisibility=hidden, and introduce META_EXPORT and META_EXPORT_TEST defines to mark a symbols as visible. The TEST version is meant to be used to flag symbols that are only used internally by mutter tests, but that should not be considered public API. This allows us to be more precise in selecting what is exported and what is not, without the need of a version-script file that would be more complicated to maintain. https://gitlab.gnome.org/GNOME/mutter/merge_requests/395
135 lines
4.9 KiB
C
135 lines
4.9 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* MetaShadowFactory:
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*
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* Create and cache shadow textures for arbitrary window shapes
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*
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* Copyright (C) 2010 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __META_SHADOW_FACTORY_H__
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#define __META_SHADOW_FACTORY_H__
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#include <cairo.h>
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#include "clutter/clutter.h"
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#include "cogl/cogl.h"
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#include "meta/meta-window-shape.h"
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META_EXPORT
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GType meta_shadow_get_type (void) G_GNUC_CONST;
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/**
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* MetaShadowParams:
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* @radius: the radius (gaussian standard deviation) of the shadow
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* @top_fade: if >= 0, the shadow doesn't extend above the top
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* of the shape, and fades out over the given number of pixels
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* @x_offset: horizontal offset of the shadow with respect to the
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* shape being shadowed, in pixels
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* @y_offset: vertical offset of the shadow with respect to the
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* shape being shadowed, in pixels
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* @opacity: opacity of the shadow, from 0 to 255
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*
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* The #MetaShadowParams structure holds information about how to draw
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* a particular style of shadow.
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*/
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typedef struct _MetaShadowParams MetaShadowParams;
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struct _MetaShadowParams
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{
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int radius;
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int top_fade;
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int x_offset;
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int y_offset;
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guint8 opacity;
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};
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#define META_TYPE_SHADOW_FACTORY (meta_shadow_factory_get_type ())
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META_EXPORT
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G_DECLARE_FINAL_TYPE (MetaShadowFactory,
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meta_shadow_factory,
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META, SHADOW_FACTORY,
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GObject)
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/**
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* MetaShadowFactory:
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*
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* #MetaShadowFactory is used to create window shadows. It caches shadows internally
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* so that multiple shadows created for the same shape with the same radius will
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* share the same MetaShadow.
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*/
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META_EXPORT
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MetaShadowFactory *meta_shadow_factory_get_default (void);
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META_EXPORT
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void meta_shadow_factory_set_params (MetaShadowFactory *factory,
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const char *class_name,
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gboolean focused,
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MetaShadowParams *params);
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META_EXPORT
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void meta_shadow_factory_get_params (MetaShadowFactory *factory,
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const char *class_name,
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gboolean focused,
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MetaShadowParams *params);
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/**
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* MetaShadow:
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* #MetaShadow holds a shadow texture along with information about how to
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* apply that texture to draw a window texture. (E.g., it knows how big the
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* unscaled borders are on each side of the shadow texture.)
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*/
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typedef struct _MetaShadow MetaShadow;
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META_EXPORT
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MetaShadow *meta_shadow_ref (MetaShadow *shadow);
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META_EXPORT
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void meta_shadow_unref (MetaShadow *shadow);
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META_EXPORT
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void meta_shadow_paint (MetaShadow *shadow,
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CoglFramebuffer *framebuffer,
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int window_x,
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int window_y,
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int window_width,
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int window_height,
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guint8 opacity,
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cairo_region_t *clip,
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gboolean clip_strictly);
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META_EXPORT
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void meta_shadow_get_bounds (MetaShadow *shadow,
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int window_x,
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int window_y,
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int window_width,
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int window_height,
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cairo_rectangle_int_t *bounds);
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META_EXPORT
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MetaShadowFactory *meta_shadow_factory_new (void);
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META_EXPORT
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MetaShadow *meta_shadow_factory_get_shadow (MetaShadowFactory *factory,
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MetaWindowShape *shape,
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int width,
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int height,
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const char *class_name,
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gboolean focused);
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#endif /* __META_SHADOW_FACTORY_H__ */
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