a76cc79f88
Introduce a StShadowHelper to manage drop shadows from JS (which cannot use Cogl directly), and use it in a new StWidget-derived JS class to draw the arrow. https://bugzilla.gnome.org/show_bug.cgi?id=682285
93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* st-shadow.h: Boxed type holding for -st-shadow attributes
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*
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* Copyright 2009, 2010 Florian Müllner
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser 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 __ST_SHADOW__
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#define __ST_SHADOW__
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#include <clutter/clutter.h>
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G_BEGIN_DECLS
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#define ST_TYPE_SHADOW (st_shadow_get_type ())
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#define ST_TYPE_SHADOW_HELPER (st_shadow_get_type ())
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typedef struct _StShadow StShadow;
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typedef struct _StShadowHelper StShadowHelper;
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/**
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* StShadow:
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* @color: shadow's color
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* @xoffset: horizontal offset - positive values mean placement to the right,
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* negative values placement to the left of the element.
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* @yoffset: vertical offset - positive values mean placement below, negative
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* values placement above the element.
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* @blur: shadow's blur radius - a value of 0.0 will result in a hard shadow.
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* @spread: shadow's spread radius - grow the shadow without enlarging the
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* blur.
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*
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* Attributes of the -st-shadow property.
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*/
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struct _StShadow {
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ClutterColor color;
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gdouble xoffset;
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gdouble yoffset;
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gdouble blur;
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gdouble spread;
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gboolean inset;
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volatile int ref_count;
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};
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GType st_shadow_get_type (void) G_GNUC_CONST;
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StShadow *st_shadow_new (ClutterColor *color,
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gdouble xoffset,
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gdouble yoffset,
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gdouble blur,
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gdouble spread,
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gboolean inset);
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StShadow *st_shadow_ref (StShadow *shadow);
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void st_shadow_unref (StShadow *shadow);
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gboolean st_shadow_equal (StShadow *shadow,
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StShadow *other);
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void st_shadow_get_box (StShadow *shadow,
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const ClutterActorBox *actor_box,
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ClutterActorBox *shadow_box);
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GType st_shadow_helper_get_type (void) G_GNUC_CONST;
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StShadowHelper *st_shadow_helper_new (StShadow *shadow);
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StShadowHelper *st_shadow_helper_copy (StShadowHelper *helper);
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void st_shadow_helper_free (StShadowHelper *helper);
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void st_shadow_helper_update (StShadowHelper *helper,
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ClutterActor *source);
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void st_shadow_helper_paint (StShadowHelper *helper,
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ClutterActorBox *actor_box,
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guint8 paint_opacity);
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G_END_DECLS
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#endif /* __ST_SHADOW__ */
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