/*
 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "config.h"
#include "LegacyRenderSVGResourceSolidColor.h"

#include "GraphicsContext.h"
#include "LocalFrame.h"
#include "LocalFrameView.h"
#include "RenderElement.h"
#include "RenderStyle.h"
#include "RenderView.h"
#include "SVGRenderStyle.h"
#include "SVGRenderSupport.h"
#include <wtf/TZoneMallocInlines.h>

namespace WebCore {

WTF_MAKE_TZONE_ALLOCATED_IMPL(LegacyRenderSVGResourceSolidColor);

LegacyRenderSVGResourceSolidColor::LegacyRenderSVGResourceSolidColor() = default;

LegacyRenderSVGResourceSolidColor::~LegacyRenderSVGResourceSolidColor() = default;

auto LegacyRenderSVGResourceSolidColor::applyResource(RenderElement& renderer, const RenderStyle& style, GraphicsContext*& context, OptionSet<RenderSVGResourceMode> resourceMode) -> OptionSet<ApplyResult>
{
    ASSERT(context);
    ASSERT(!resourceMode.isEmpty());

    const SVGRenderStyle& svgStyle = style.svgStyle();

    bool isRenderingMask = renderer.view().frameView().paintBehavior().contains(PaintBehavior::RenderingSVGClipOrMask);

    if (resourceMode.contains(RenderSVGResourceMode::ApplyToFill)) {
        if (!isRenderingMask)
            context->setAlpha(svgStyle.fillOpacity());
        else
            context->setAlpha(1);
        context->setFillColor(style.colorByApplyingColorFilter(m_color));
        if (isRenderingMask)
            context->setFillRule(svgStyle.clipRule());
        else
            context->setFillRule(svgStyle.fillRule());

        if (resourceMode.contains(RenderSVGResourceMode::ApplyToText))
            context->setTextDrawingMode(TextDrawingMode::Fill);
    } else if (resourceMode.contains(RenderSVGResourceMode::ApplyToStroke)) {
        // When rendering the mask for a LegacyRenderSVGResourceClipper, the stroke code path is never hit.
        ASSERT(!isRenderingMask);
        context->setAlpha(svgStyle.strokeOpacity());
        context->setStrokeColor(style.colorByApplyingColorFilter(m_color));

        SVGRenderSupport::applyStrokeStyleToContext(*context, style, renderer);

        if (resourceMode.contains(RenderSVGResourceMode::ApplyToText))
            context->setTextDrawingMode(TextDrawingMode::Stroke);
    }

    return { ApplyResult::ResourceApplied };
}

void LegacyRenderSVGResourceSolidColor::postApplyResource(RenderElement&, GraphicsContext*& context, OptionSet<RenderSVGResourceMode> resourceMode, const Path* path, const RenderElement* shape)
{
    ASSERT(context);
    ASSERT(!resourceMode.isEmpty());
    fillAndStrokePathOrShape(*context, resourceMode, path, shape);
}

}
