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/*
Copyright (C) 2001-2003 KSVG Team
This file is part of the KDE project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
This file includes excerpts from the Scalable Vector Graphics
(SVG) 1.0 Specification (Proposed Recommendation)
http://www.w3.org/TR/SVG
Copyright � 2001 World Wide Web Consortium, (Massachusetts
Institute of Technology, Institut National de Recherche en
Informatique et en Automatique, Keio University).
All Rights Reserved.
*/
#ifndef SVGPatternElement_H
#define SVGPatternElement_H
#include "SVGElement.h"
#include "SVGURIReference.h"
#include "SVGTests.h"
#include "SVGLangSpace.h"
#include "SVGExternalResourcesRequired.h"
#include "SVGStylable.h"
#include "SVGFitToViewBox.h"
#include "SVGUnitTypes.h"
namespace KSVG
{
class SVGAnimatedEnumeration;
class SVGAnimatedTransformList;
class SVGAnimatedLength;
class SVGPatternElementImpl;
/**
* A pattern is used to fill or stroke an object using a pre-defined graphic object which can be
* replicated ("tiled") at fixed intervals in x and y to cover the areas to be painted.
*
* Patterns are defined using a 'pattern' element and then referenced by properties 'fill' and 'stroke'
* on a given graphics element to indicate that the given element shall be filled or stroked with the
* referenced pattern.
*/
class SVGPatternElement : public SVGElement,
public SVGURIReference,
public SVGTests,
public SVGLangSpace,
public SVGExternalResourcesRequired,
public SVGStylable,
public SVGFitToViewBox,
public SVGUnitTypes
{
public:
SVGPatternElement();
SVGPatternElement(const SVGPatternElement &other);
SVGPatternElement &operator=(const SVGPatternElement &other);
SVGPatternElement(SVGPatternElementImpl *other);
virtual ~SVGPatternElement();
/**
* Defines the coordinate system for attributes <code>x</code>, <code>y</code>, <code>width</code>, <code>height</code>.
* If patternUnits="userSpaceOnUse", <code>x</code>, <code>y</code>, <code>width</code>, <code>height</code> represent
* values in the coordinate system that results from taking the current user coordinate system in place at the time when
* the 'pattern' element is referenced (i.e., the user coordinate system for the element referencing the 'pattern' element
* via a 'fill' or 'stroke' property) and then applying the transform specified by attribute patternTransform.
* If patternUnits="objectBoundingBox", the user coordinate system for attributes <code>x</code>, <code>y</code>, <code>width</code>,
* <code>height</code> is established using the bounding box of the element to which the pattern is applied and then applying
* the transform specified by attribute <code>patternTransform</code>.
* If attribute <code>patternUnits</code> is not specified, then the effect is as if a value of objectBoundingBox were specified.
*
* This attribute is animatable.
*
* @return The current target coordinate system mode.
*/
SVGAnimatedEnumeration patternUnits() const;
/**
* Defines the coordinate system for the contents of the 'pattern'. Note that this attribute has no effect
* if attribute <code>viewBox</code> is specified.
* If patternContentUnits="userSpaceOnUse", the user coordinate system for the contents of the 'pattern' element
* is the coordinate system that results from taking the current user coordinate system in place at the time
* when the 'pattern' element is referenced (i.e., the user coordinate system for the element referencing the
* 'pattern' element via a 'fill' or 'stroke' property) and then applying the transform specified by attribute
* <code>patternTransform</code>.
* If patternContentUnits="objectBoundingBox", the user coordinate system for the contents of the 'pattern' element
* is established using the bounding box of the element to which the pattern is applied and then applying the
* transform specified by attribute <code>patternTransform</code>.
* If attribute <code>patternContentUnits</code> is not specified, then the effect is as if a value of
* userSpaceOnUse were specified.
*
* This attribute is animatable.
*
* @return The current content coordinate system mode.
*/
SVGAnimatedEnumeration patternContentUnits() const;
/**
* Contains the definition of an optional additional transformation from the pattern coordinate
* system onto the target coordinate system (i.e., userSpaceOnUse or objectBoundingBox).
* This allows for things such as skewing the pattern tiles. This additional transformation
* matrix is post-multiplied to (i.e., inserted to the right of) any previously defined
* transformations, including the implicit transformation necessary to convert from object
* bounding box units to user space.
* If attribute <code>patternTransform</code> is not specified, then the effect is as if an identity transform
* were specified.
*
* This attribute is animatable.
*
* @return The transformation list that is applied to the pattern tile.
*/
SVGAnimatedTransformList patternTransform() const;
/**
* The attributes <code>x</code>, <code>y</code>, <code>width</code>, <code>height</code>
* indicate how the pattern tiles are placed and spaced.
* These attributes represent coordinates and values in the coordinate space specified by
* the combination of attributes <code>patternUnits</code> and <code>patternTransform</code>.
* If the attribute is not specified, the effect is as if a value of zero were specified.
*
* This attribute is animatable.
*
* @return The x-axis coordinate of the pattern tile.
*/
SVGAnimatedLength x() const;
/**
* @see x
* If the attribute is not specified, the effect is as if a value of zero were specified.
*
* This attribute is animatable.
*
* @return The y-axis coordinate of the pattern tile.
*/
SVGAnimatedLength y() const;
/**
* @see x
* A negative value is an error. A value of zero disables rendering of
* the element (i.e., no paint is applied).
*
* If the attribute is not specified, the effect is as if a value of zero were specified.
*
* This attribute is animatable.
*
* @return The width of the pattern tile.
*/
SVGAnimatedLength width() const;
/**
* @see x
* A negative value is an error. A value of zero disables rendering of
* the element (i.e., no paint is applied).
*
* If the attribute is not specified, the effect is as if a value of zero were specified.
*
* This attribute is animatable.
*
* @return The height coordinate of the pattern tile.
*/
SVGAnimatedLength height() const;
// Internal! - NOT PART OF THE SVG SPECIFICATION
SVGPatternElementImpl *handle() const { return impl; }
private:
SVGPatternElementImpl *impl;
};
}
#endif
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