WebCore/platform/graphics/svg/cairo/RenderPathCairo.cpp

/*
 * Copyright (C) 2007 Alp Toker <alp.toker@collabora.co.uk>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "RenderPath.h"

#include "CairoPath.h"
#include "KCanvasRenderingStyle.h"

namespace WebCore {

bool RenderPath::strokeContains(const FloatPoint& point, bool requiresStroke) const
{
    if (requiresStroke && !KSVGPainterFactory::strokePaintServer(style(), this))
        return false;

    cairo_t* cr = path().platformPath()->m_cr;

    // TODO: set stroke properties
    return cairo_in_stroke(cr, point.x(), point.y());
}

FloatRect RenderPath::strokeBBox() const
{
    // TODO: this implementation is naive

    cairo_t* cr = path().platformPath()->m_cr;

    double x0, x1, y0, y1;
    cairo_stroke_extents(cr, &x0, &y0, &x1, &y1);
    FloatRect bbox = FloatRect(x0, y0, x1 - x0, y1 - y0);

    return bbox;
}

}