WebCore/platform/graphics/svg/cg/CgSupport.h

/*
 * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.
 *
 * 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. 
 */

#ifndef CgSupport_h
#define CgSupport_h

#if ENABLE(SVG)

#include <ApplicationServices/ApplicationServices.h>
#include "GraphicsTypes.h"

namespace WebCore {

typedef struct CGPath *CGMutablePathRef;

class Path;
class FloatRect;
class RenderStyle;
class RenderObject;

CFStringRef CFStringFromCGPath(CGPathRef);
CFStringRef CFStringFromCGAffineTransform(CGAffineTransform);
CGAffineTransform CGAffineTransformMakeMapBetweenRects(CGRect source, CGRect dest);

void applyStrokeStyleToContext(CGContextRef, RenderStyle*, const RenderObject*);

CGContextRef scratchContext();
FloatRect strokeBoundingBox(const Path& path, RenderStyle*, const RenderObject*);

static inline CGLineCap CGLineCapFromKC(LineCap cap)
{
    if (cap == ButtCap)
        return kCGLineCapButt;
    else if (cap == RoundCap)
        return kCGLineCapRound;
    else if (cap == SquareCap)
        return kCGLineCapSquare;
    
    return kCGLineCapButt;
}

static inline CGLineJoin CGLineJoinFromKC(LineJoin join)
{
    if (join == MiterJoin)
        return kCGLineJoinMiter;
    else if (join == RoundJoin)
        return kCGLineJoinRound;
    else if (join == BevelJoin)
        return kCGLineJoinBevel;
    
    return kCGLineJoinMiter;
}

}

#endif // ENABLE(SVG)
#endif // !CgSupport_h