Ardour
9.0-pre0-582-g084a23a80d
canvas/polygon.h
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/*
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* Copyright (C) 2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2013-2015 Paul Davis <paul@linuxaudiosystems.com>
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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 General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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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
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* GNU 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __CANVAS_POLYGON_H__
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#define __CANVAS_POLYGON_H__
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#include "
canvas/fill.h
"
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#include "
canvas/outline.h
"
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#include "
canvas/poly_item.h
"
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#include "
canvas/visibility.h
"
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namespace
ArdourCanvas
{
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class
LIBCANVAS_API
Polygon
:
public
PolyItem
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{
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public
:
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Polygon
(
Canvas
*);
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Polygon
(
Item
*);
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virtual
~Polygon
();
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void
render
(
Rect
const
& area, Cairo::RefPtr<Cairo::Context>)
const
;
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void
compute_bounding_box
()
const
;
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bool
covers
(
Duple
const
&)
const
;
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protected
:
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mutable
float
*
multiple
;
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mutable
float
*
constant
;
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mutable
Points::size_type
cached_size
;
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void
cache_shape_computation
()
const
;
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};
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}
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#endif
visibility.h
LIBCANVAS_API
#define LIBCANVAS_API
Definition:
canvas/canvas/visibility.h:39
ArdourCanvas::Canvas
Definition:
canvas/canvas/canvas.h:73
ArdourCanvas::Item
Definition:
canvas/canvas/item.h:57
ArdourCanvas::PolyItem
Definition:
poly_item.h:31
ArdourCanvas::Polygon
Definition:
canvas/polygon.h:31
ArdourCanvas::Polygon::Polygon
Polygon(Canvas *)
ArdourCanvas::Polygon::Polygon
Polygon(Item *)
ArdourCanvas::Polygon::covers
bool covers(Duple const &) const
ArdourCanvas::Polygon::cache_shape_computation
void cache_shape_computation() const
ArdourCanvas::Polygon::render
void render(Rect const &area, Cairo::RefPtr< Cairo::Context >) const
ArdourCanvas::Polygon::cached_size
Points::size_type cached_size
Definition:
canvas/polygon.h:44
ArdourCanvas::Polygon::constant
float * constant
Definition:
canvas/polygon.h:43
ArdourCanvas::Polygon::compute_bounding_box
void compute_bounding_box() const
ArdourCanvas::Polygon::~Polygon
virtual ~Polygon()
ArdourCanvas::Polygon::multiple
float * multiple
Definition:
canvas/polygon.h:42
fill.h
ArdourCanvas
Definition:
audio_clip_editor.h:56
outline.h
poly_item.h
ArdourCanvas::Duple
Definition:
canvas/canvas/types.h:65
ArdourCanvas::Rect
Definition:
canvas/canvas/types.h:112
libs
canvas
canvas
polygon.h
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