SVGPaintServerCairo.cpp   [plain text]

/*
 * 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"

#if ENABLE(SVG)
#include "SVGPaintServer.h"

#include "GraphicsContext.h"
#include "KCanvasRenderingStyle.h"
#include "RenderPath.h"

#include <cairo.h>

namespace WebCore {

void SVGPaintServer::draw(GraphicsContext*& context, const RenderPath* path, SVGPaintTargetType type) const
{
    if (!setup(context, path, type))
        return;

    renderPath(context, path, type);
    teardown(context, path, type);
}

void SVGPaintServer::teardown(GraphicsContext*&, const RenderObject*, SVGPaintTargetType, bool isPaintingText) const
{
    // no-op
}

void SVGPaintServer::renderPath(GraphicsContext*& context, const RenderPath* path, SVGPaintTargetType type) const
{
    cairo_t* cr = context->platformContext();
    const SVGRenderStyle* style = path->style()->svgStyle();

    cairo_set_fill_rule(cr, style->fillRule() == RULE_EVENODD ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);

    if ((type & ApplyToFillTargetType) && style->hasFill())
        cairo_fill_preserve(cr);

    if ((type & ApplyToStrokeTargetType) && style->hasStroke())
        cairo_stroke_preserve(cr);

    cairo_new_path(cr);
}

} // namespace WebCore

#endif