/*

 * Copyright 2018 Google Inc.

 *

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

 * found in the LICENSE file.

 */

#include "modules/sksg/include/SkSGImage.h"

#include "include/core/SkCanvas.h"

#include "include/core/SkImage.h"

#include "src/core/SkPaintPriv.h"

namespace sksg {

Image::Image(sk_sp<SkImage> image) : fImage(std::move(image)) {}

void Image::onRender(SkCanvas* canvas, const RenderContext* ctx) const {

    if (!fImage) {

        return;

    }

    SkPaint paint;

    paint.setAntiAlias(fAntiAlias);

    sksg::RenderNode::ScopedRenderContext local_ctx(canvas, ctx);

    if (ctx) {

        if (ctx->fMaskShader) {

            // Mask shaders cannot be applied via drawImage - we need layer isolation.

            // TODO: remove after clipShader conversion.

            local_ctx.setIsolation(this->bounds(), canvas->getTotalMatrix(), true);

        }

        local_ctx->modulatePaint(canvas->getTotalMatrix(), &paint);

    }

    canvas->drawImage(fImage, 0, 0, fSamplingOptions, &paint);

}

const RenderNode* Image::onNodeAt(const SkPoint& p) const {

    SkASSERT(this->bounds().contains(p.x(), p.y()));

    return this;

}

SkRect Image::onRevalidate(InvalidationController*, const SkMatrix& ctm) {

    return fImage ? SkRect::Make(fImage->bounds()) : SkRect::MakeEmpty();

}

} // namespace sksg