/*

 * Copyright 2016 Google Inc.

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#include "modules/svg/include/SkSVGClipPath.h"

#include "modules/svg/include/SkSVGRenderContext.h"

SkSVGClipPath::SkSVGClipPath() : INHERITED(SkSVGTag::kClipPath) {}

bool SkSVGClipPath::parseAndSetAttribute(const char* n, const char* v) {

    return INHERITED::parseAndSetAttribute(n, v) ||

           this->setClipPathUnits(

                SkSVGAttributeParser::parse<SkSVGObjectBoundingBoxUnits>("clipPathUnits", n, v));

}

SkPath SkSVGClipPath::resolveClip(const SkSVGRenderContext& ctx) const {

    auto clip = this->asPath(ctx);

    const auto obbt = ctx.transformForCurrentOBB(fClipPathUnits);

    const auto m = SkMatrix::Translate(obbt.offset.x, obbt.offset.y)

                 * SkMatrix::Scale(obbt.scale.x, obbt.scale.y);

    clip.transform(m);

    return clip;

}