810 lines
22 KiB
C
810 lines
22 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkrender.h"
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#include "gtkcssenginevalueprivate.h"
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#include "gtkstylecontextprivate.h"
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#include "gtkthemingengine.h"
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#include "gtkthemingengineprivate.h"
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/**
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* gtk_render_check:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x: X origin of the rectangle
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* @y: Y origin of the rectangle
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* @width: rectangle width
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* @height: rectangle height
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*
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* Renders a checkmark (as in a #GtkCheckButton).
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*
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* The %GTK_STATE_FLAG_ACTIVE state determines whether the check is
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* on or off, and %GTK_STATE_FLAG_INCONSISTENT determines whether it
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* should be marked as undefined.
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*
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* Typical checkmark rendering:
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*
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* 
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*
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* Since: 3.0
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**/
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void
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gtk_render_check (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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if (width <= 0 || height <= 0)
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return;
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_check (engine, cr,
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x, y, width, height);
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cairo_restore (cr);
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}
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/**
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* gtk_render_option:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x: X origin of the rectangle
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* @y: Y origin of the rectangle
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* @width: rectangle width
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* @height: rectangle height
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*
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* Renders an option mark (as in a #GtkRadioButton), the %GTK_STATE_FLAG_ACTIVE
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* state will determine whether the option is on or off, and
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* %GTK_STATE_FLAG_INCONSISTENT whether it should be marked as undefined.
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*
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* Typical option mark rendering:
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*
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* 
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*
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* Since: 3.0
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**/
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void
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gtk_render_option (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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if (width <= 0 || height <= 0)
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return;
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_option (engine, cr,
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x, y, width, height);
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cairo_restore (cr);
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}
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/**
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* gtk_render_arrow:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @angle: arrow angle from 0 to 2 * %G_PI, being 0 the arrow pointing to the north
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* @x: X origin of the render area
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* @y: Y origin of the render area
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* @size: square side for render area
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*
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* Renders an arrow pointing to @angle.
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*
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* Typical arrow rendering at 0, 1&solidus;2 π, π and 3&solidus;2 π:
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*
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* 
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*
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* Since: 3.0
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**/
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void
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gtk_render_arrow (GtkStyleContext *context,
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cairo_t *cr,
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gdouble angle,
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gdouble x,
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gdouble y,
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gdouble size)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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if (size <= 0)
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return;
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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gtk_style_context_save (context);
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gtk_style_context_add_class (context, GTK_STYLE_CLASS_ARROW);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_arrow (engine, cr,
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angle, x, y, size);
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gtk_style_context_restore (context);
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cairo_restore (cr);
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}
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/**
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* gtk_render_background:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x: X origin of the rectangle
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* @y: Y origin of the rectangle
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* @width: rectangle width
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* @height: rectangle height
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*
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* Renders the background of an element.
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*
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* Typical background rendering, showing the effect of
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* `background-image`, `border-width` and `border-radius`:
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*
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* 
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*
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* Since: 3.0.
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**/
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void
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gtk_render_background (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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if (width <= 0 || height <= 0)
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return;
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_background (engine, cr, x, y, width, height);
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cairo_restore (cr);
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}
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/**
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* gtk_render_frame:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x: X origin of the rectangle
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* @y: Y origin of the rectangle
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* @width: rectangle width
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* @height: rectangle height
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*
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* Renders a frame around the rectangle defined by @x, @y, @width, @height.
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*
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* Examples of frame rendering, showing the effect of `border-image`,
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* `border-color`, `border-width`, `border-radius` and junctions:
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*
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* 
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*
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* Since: 3.0
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**/
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void
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gtk_render_frame (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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if (width <= 0 || height <= 0)
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return;
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_frame (engine, cr, x, y, width, height);
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cairo_restore (cr);
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}
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/**
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* gtk_render_expander:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x: X origin of the rectangle
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* @y: Y origin of the rectangle
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* @width: rectangle width
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* @height: rectangle height
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*
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* Renders an expander (as used in #GtkTreeView and #GtkExpander) in the area
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* defined by @x, @y, @width, @height. The state %GTK_STATE_FLAG_ACTIVE
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* determines whether the expander is collapsed or expanded.
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*
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* Typical expander rendering:
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*
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* 
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*
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* Since: 3.0
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**/
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void
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gtk_render_expander (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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if (width <= 0 || height <= 0)
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return;
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_expander (engine, cr, x, y, width, height);
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cairo_restore (cr);
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}
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/**
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* gtk_render_focus:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x: X origin of the rectangle
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* @y: Y origin of the rectangle
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* @width: rectangle width
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* @height: rectangle height
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*
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* Renders a focus indicator on the rectangle determined by @x, @y, @width, @height.
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*
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* Typical focus rendering:
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*
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* 
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*
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* Since: 3.0
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**/
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void
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gtk_render_focus (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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if (width <= 0 || height <= 0)
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return;
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_focus (engine, cr, x, y, width, height);
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cairo_restore (cr);
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}
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/**
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* gtk_render_layout:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x: X origin
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* @y: Y origin
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* @layout: the #PangoLayout to render
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*
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* Renders @layout on the coordinates @x, @y
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*
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* Since: 3.0
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**/
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void
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gtk_render_layout (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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PangoLayout *layout)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (PANGO_IS_LAYOUT (layout));
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g_return_if_fail (cr != NULL);
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_layout (engine, cr, x, y, layout);
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cairo_restore (cr);
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}
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/**
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* gtk_render_line:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x0: X coordinate for the origin of the line
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* @y0: Y coordinate for the origin of the line
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* @x1: X coordinate for the end of the line
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* @y1: Y coordinate for the end of the line
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*
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* Renders a line from (x0, y0) to (x1, y1).
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*
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* Since: 3.0
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**/
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void
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gtk_render_line (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x0,
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gdouble y0,
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gdouble x1,
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gdouble y1)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_line (engine, cr, x0, y0, x1, y1);
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cairo_restore (cr);
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}
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/**
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* gtk_render_slider:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x: X origin of the rectangle
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* @y: Y origin of the rectangle
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* @width: rectangle width
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* @height: rectangle height
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* @orientation: orientation of the slider
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*
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* Renders a slider (as in #GtkScale) in the rectangle defined by @x, @y,
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* @width, @height. @orientation defines whether the slider is vertical
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* or horizontal.
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*
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* Typical slider rendering:
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*
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* 
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*
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* Since: 3.0
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**/
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void
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gtk_render_slider (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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GtkOrientation orientation)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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if (width <= 0 || height <= 0)
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return;
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engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
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engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
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cairo_save (cr);
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cairo_new_path (cr);
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_gtk_theming_engine_set_context (engine, context);
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engine_class->render_slider (engine, cr, x, y, width, height, orientation);
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cairo_restore (cr);
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}
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/**
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* gtk_render_frame_gap:
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* @context: a #GtkStyleContext
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* @cr: a #cairo_t
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* @x: X origin of the rectangle
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* @y: Y origin of the rectangle
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* @width: rectangle width
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* @height: rectangle height
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* @gap_side: side where the gap is
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* @xy0_gap: initial coordinate (X or Y depending on @gap_side) for the gap
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* @xy1_gap: end coordinate (X or Y depending on @gap_side) for the gap
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*
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* Renders a frame around the rectangle defined by (@x, @y, @width, @height),
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* leaving a gap on one side. @xy0_gap and @xy1_gap will mean X coordinates
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* for %GTK_POS_TOP and %GTK_POS_BOTTOM gap sides, and Y coordinates for
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* %GTK_POS_LEFT and %GTK_POS_RIGHT.
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*
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* Typical rendering of a frame with a gap:
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*
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* 
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*
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* Since: 3.0
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**/
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void
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gtk_render_frame_gap (GtkStyleContext *context,
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cairo_t *cr,
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gdouble x,
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gdouble y,
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gdouble width,
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gdouble height,
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GtkPositionType gap_side,
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gdouble xy0_gap,
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gdouble xy1_gap)
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{
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GtkThemingEngineClass *engine_class;
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GtkThemingEngine *engine;
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g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
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g_return_if_fail (cr != NULL);
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g_return_if_fail (xy0_gap <= xy1_gap);
|
||
g_return_if_fail (xy0_gap >= 0);
|
||
|
||
if (width <= 0 || height <= 0)
|
||
return;
|
||
|
||
if (gap_side == GTK_POS_LEFT ||
|
||
gap_side == GTK_POS_RIGHT)
|
||
g_return_if_fail (xy1_gap <= height);
|
||
else
|
||
g_return_if_fail (xy1_gap <= width);
|
||
|
||
engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
|
||
engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
|
||
|
||
cairo_save (cr);
|
||
cairo_new_path (cr);
|
||
|
||
_gtk_theming_engine_set_context (engine, context);
|
||
engine_class->render_frame_gap (engine, cr,
|
||
x, y, width, height, gap_side,
|
||
xy0_gap, xy1_gap);
|
||
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
/**
|
||
* gtk_render_extension:
|
||
* @context: a #GtkStyleContext
|
||
* @cr: a #cairo_t
|
||
* @x: X origin of the rectangle
|
||
* @y: Y origin of the rectangle
|
||
* @width: rectangle width
|
||
* @height: rectangle height
|
||
* @gap_side: side where the gap is
|
||
*
|
||
* Renders a extension (as in a #GtkNotebook tab) in the rectangle
|
||
* defined by @x, @y, @width, @height. The side where the extension
|
||
* connects to is defined by @gap_side.
|
||
*
|
||
* Typical extension rendering:
|
||
*
|
||
* 
|
||
*
|
||
* Since: 3.0
|
||
**/
|
||
void
|
||
gtk_render_extension (GtkStyleContext *context,
|
||
cairo_t *cr,
|
||
gdouble x,
|
||
gdouble y,
|
||
gdouble width,
|
||
gdouble height,
|
||
GtkPositionType gap_side)
|
||
{
|
||
GtkThemingEngineClass *engine_class;
|
||
GtkThemingEngine *engine;
|
||
|
||
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
||
g_return_if_fail (cr != NULL);
|
||
|
||
if (width <= 0 || height <= 0)
|
||
return;
|
||
|
||
engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
|
||
engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
|
||
|
||
cairo_save (cr);
|
||
cairo_new_path (cr);
|
||
|
||
_gtk_theming_engine_set_context (engine, context);
|
||
engine_class->render_extension (engine, cr, x, y, width, height, gap_side);
|
||
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
/**
|
||
* gtk_render_handle:
|
||
* @context: a #GtkStyleContext
|
||
* @cr: a #cairo_t
|
||
* @x: X origin of the rectangle
|
||
* @y: Y origin of the rectangle
|
||
* @width: rectangle width
|
||
* @height: rectangle height
|
||
*
|
||
* Renders a handle (as in #GtkHandleBox, #GtkPaned and
|
||
* #GtkWindow’s resize grip), in the rectangle
|
||
* determined by @x, @y, @width, @height.
|
||
*
|
||
* Handles rendered for the paned and grip classes:
|
||
*
|
||
* 
|
||
*
|
||
* Since: 3.0
|
||
**/
|
||
void
|
||
gtk_render_handle (GtkStyleContext *context,
|
||
cairo_t *cr,
|
||
gdouble x,
|
||
gdouble y,
|
||
gdouble width,
|
||
gdouble height)
|
||
{
|
||
GtkThemingEngineClass *engine_class;
|
||
GtkThemingEngine *engine;
|
||
|
||
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
||
g_return_if_fail (cr != NULL);
|
||
|
||
if (width <= 0 || height <= 0)
|
||
return;
|
||
|
||
engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
|
||
engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
|
||
|
||
cairo_save (cr);
|
||
cairo_new_path (cr);
|
||
|
||
_gtk_theming_engine_set_context (engine, context);
|
||
engine_class->render_handle (engine, cr, x, y, width, height);
|
||
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
/**
|
||
* gtk_render_activity:
|
||
* @context: a #GtkStyleContext
|
||
* @cr: a #cairo_t
|
||
* @x: X origin of the rectangle
|
||
* @y: Y origin of the rectangle
|
||
* @width: rectangle width
|
||
* @height: rectangle height
|
||
*
|
||
* Renders an activity indicator (such as in #GtkSpinner).
|
||
* The state %GTK_STATE_FLAG_ACTIVE determines whether there is
|
||
* activity going on.
|
||
*
|
||
* Since: 3.0
|
||
**/
|
||
void
|
||
gtk_render_activity (GtkStyleContext *context,
|
||
cairo_t *cr,
|
||
gdouble x,
|
||
gdouble y,
|
||
gdouble width,
|
||
gdouble height)
|
||
{
|
||
GtkThemingEngineClass *engine_class;
|
||
GtkThemingEngine *engine;
|
||
|
||
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
||
g_return_if_fail (cr != NULL);
|
||
|
||
if (width <= 0 || height <= 0)
|
||
return;
|
||
|
||
engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
|
||
engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
|
||
|
||
cairo_save (cr);
|
||
cairo_new_path (cr);
|
||
|
||
_gtk_theming_engine_set_context (engine, context);
|
||
engine_class->render_activity (engine, cr, x, y, width, height);
|
||
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
/**
|
||
* gtk_render_icon_pixbuf:
|
||
* @context: a #GtkStyleContext
|
||
* @source: the #GtkIconSource specifying the icon to render
|
||
* @size: (type int): the size to render the icon at. A size of (GtkIconSize) -1
|
||
* means render at the size of the source and don’t scale.
|
||
*
|
||
* Renders the icon specified by @source at the given @size, returning the result
|
||
* in a pixbuf.
|
||
*
|
||
* Returns: (transfer full): a newly-created #GdkPixbuf containing the rendered icon
|
||
*
|
||
* Since: 3.0
|
||
*
|
||
* Deprecated: 3.10: Use gtk_icon_theme_load_icon() instead.
|
||
**/
|
||
GdkPixbuf *
|
||
gtk_render_icon_pixbuf (GtkStyleContext *context,
|
||
const GtkIconSource *source,
|
||
GtkIconSize size)
|
||
{
|
||
GtkThemingEngineClass *engine_class;
|
||
GtkThemingEngine *engine;
|
||
|
||
g_return_val_if_fail (GTK_IS_STYLE_CONTEXT (context), NULL);
|
||
g_return_val_if_fail (size > GTK_ICON_SIZE_INVALID || size == -1, NULL);
|
||
g_return_val_if_fail (source != NULL, NULL);
|
||
|
||
engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
|
||
engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
|
||
|
||
_gtk_theming_engine_set_context (engine, context);
|
||
return engine_class->render_icon_pixbuf (engine, source, size);
|
||
}
|
||
|
||
/**
|
||
* gtk_render_icon:
|
||
* @context: a #GtkStyleContext
|
||
* @cr: a #cairo_t
|
||
* @pixbuf: a #GdkPixbuf containing the icon to draw
|
||
* @x: X position for the @pixbuf
|
||
* @y: Y position for the @pixbuf
|
||
*
|
||
* Renders the icon in @pixbuf at the specified @x and @y coordinates.
|
||
*
|
||
* Since: 3.2
|
||
**/
|
||
void
|
||
gtk_render_icon (GtkStyleContext *context,
|
||
cairo_t *cr,
|
||
GdkPixbuf *pixbuf,
|
||
gdouble x,
|
||
gdouble y)
|
||
{
|
||
GtkThemingEngineClass *engine_class;
|
||
GtkThemingEngine *engine;
|
||
|
||
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
||
g_return_if_fail (cr != NULL);
|
||
|
||
engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
|
||
engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
|
||
|
||
cairo_save (cr);
|
||
cairo_new_path (cr);
|
||
|
||
_gtk_theming_engine_set_context (engine, context);
|
||
engine_class->render_icon (engine, cr, pixbuf, x, y);
|
||
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
/**
|
||
* gtk_render_icon_surface:
|
||
* @context: a #GtkStyleContext
|
||
* @cr: a #cairo_t
|
||
* @surface: a #cairo_surface_t containing the icon to draw
|
||
* @x: X position for the @icon
|
||
* @y: Y position for the @incon
|
||
*
|
||
* Renders the icon in @surface at the specified @x and @y coordinates.
|
||
*
|
||
* Since: 3.10
|
||
**/
|
||
void
|
||
gtk_render_icon_surface (GtkStyleContext *context,
|
||
cairo_t *cr,
|
||
cairo_surface_t *surface,
|
||
gdouble x,
|
||
gdouble y)
|
||
{
|
||
GtkThemingEngineClass *engine_class;
|
||
GtkThemingEngine *engine;
|
||
|
||
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
||
g_return_if_fail (cr != NULL);
|
||
|
||
engine = _gtk_css_engine_value_get_engine (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_ENGINE));
|
||
engine_class = GTK_THEMING_ENGINE_GET_CLASS (engine);
|
||
|
||
cairo_save (cr);
|
||
cairo_new_path (cr);
|
||
|
||
_gtk_theming_engine_set_context (engine, context);
|
||
engine_class->render_icon_surface (engine, cr, surface, x, y);
|
||
|
||
cairo_restore (cr);
|
||
}
|
||
|