1 /*

     2  * Copyright (c) 2009, Google Inc. All rights reserved.

     3  * 

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions are

     6  * met:

     7  * 

     8  *     * Redistributions of source code must retain the above copyright

     9  * notice, this list of conditions and the following disclaimer.

    10  *     * Redistributions in binary form must reproduce the above

    11  * copyright notice, this list of conditions and the following disclaimer

    12  * in the documentation and/or other materials provided with the

    13  * distribution.

    14  *     * Neither the name of Google Inc. nor the names of its

    15  * contributors may be used to endorse or promote products derived from

    16  * this software without specific prior written permission.

    17  * 

    18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

    22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    29  */

    30 

    31 #include "config.h"

    32 

    33 #if ENABLE(SVG)

    34 #include "RenderSVGModelObject.h"

    35 

    36 #include "RenderSVGResource.h"

    37 #include "SVGStyledElement.h"

    38 

    39 namespace WebCore {

    40 

    41 RenderSVGModelObject::RenderSVGModelObject(SVGStyledElement* node)

    42     : RenderObject(node)

    43 {

    44 }

    45 

    46 IntRect RenderSVGModelObject::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer)

    47 {

    48     return SVGRenderSupport::clippedOverflowRectForRepaint(this, repaintContainer);

    49 }

    50 

    51 void RenderSVGModelObject::computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed)

    52 {

    53     SVGRenderSupport::computeRectForRepaint(this, repaintContainer, repaintRect, fixed);

    54 }

    55 

    56 void RenderSVGModelObject::mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool fixed , bool useTransforms, TransformState& transformState) const

    57 {

    58     SVGRenderSupport::mapLocalToContainer(this, repaintContainer, fixed, useTransforms, transformState);

    59 }

    60 

    61 // Copied from RenderBox, this method likely requires further refactoring to work easily for both SVG and CSS Box Model content.

    62 // FIXME: This may also need to move into SVGRenderSupport as the RenderBox version depends

    63 // on borderBoundingBox() which SVG RenderBox subclases (like SVGRenderBlock) do not implement.

    64 IntRect RenderSVGModelObject::outlineBoundsForRepaint(RenderBoxModelObject* repaintContainer, IntPoint*) const

    65 {

    66     IntRect box = enclosingIntRect(repaintRectInLocalCoordinates());

    67     adjustRectForOutlineAndShadow(box);

    68 

    69     FloatQuad containerRelativeQuad = localToContainerQuad(FloatRect(box), repaintContainer);

    70     return containerRelativeQuad.enclosingBoundingBox();

    71 }

    72 

    73 void RenderSVGModelObject::absoluteRects(Vector<IntRect>&, int, int)

    74 {

    75     // This code path should never be taken for SVG, as we're assuming useTransforms=true everywhere, absoluteQuads should be used.

    76     ASSERT_NOT_REACHED();

    77 }

    78 

    79 void RenderSVGModelObject::absoluteQuads(Vector<FloatQuad>& quads)

    80 {

    81     quads.append(localToAbsoluteQuad(strokeBoundingBox()));

    82 }

    83 

    84 void RenderSVGModelObject::destroy()

    85 {

    86     RenderSVGResource::invalidateAllResourcesOfRenderer(this);

    87     RenderObject::destroy();

    88 }

    89 

    90 void RenderSVGModelObject::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)

    91 {

    92     RenderObject::styleDidChange(diff, oldStyle);

    93 

    94     if (style() && (diff == StyleDifferenceLayout || diff == StyleDifferenceRepaint))

    95         RenderSVGResource::markForLayoutAndParentResourceInvalidation(this, false);

    96 }

    97 

    98 bool RenderSVGModelObject::nodeAtPoint(const HitTestRequest&, HitTestResult&, int, int, int, int, HitTestAction)

    99 {

   100     ASSERT_NOT_REACHED();

   101     return false;

   102 }

   103 

   104 } // namespace WebCore

   105 

   106 #endif // ENABLE(SVG)