1/*
2 * Copyright 2020 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "include/effects/SkImageFilters.h"
9#include "modules/svg/include/SkSVGFeFlood.h"
10#include "modules/svg/include/SkSVGFilterContext.h"
11#include "modules/svg/include/SkSVGRenderContext.h"
12#include "modules/svg/include/SkSVGValue.h"
13
14SkColor SkSVGFeFlood::resolveFloodColor(const SkSVGRenderContext& ctx) const {
15    const auto floodColor = this->getFloodColor();
16    const auto floodOpacity = this->getFloodOpacity();
17    // Uninherited presentation attributes should have a concrete value by now.
18    if (!floodColor.isValue() || !floodOpacity.isValue()) {
19        SkDebugf("unhandled: flood-color or flood-opacity has no value\n");
20        return SK_ColorBLACK;
21    }
22
23    const SkColor color = ctx.resolveSvgColor(*floodColor);
24    return SkColorSetA(color, SkScalarRoundToInt(*floodOpacity * 255));
25}
26
27sk_sp<SkImageFilter> SkSVGFeFlood::onMakeImageFilter(const SkSVGRenderContext& ctx,
28                                                     const SkSVGFilterContext& fctx) const {
29    return SkImageFilters::Shader(SkShaders::Color(resolveFloodColor(ctx)),
30                                  this->resolveFilterSubregion(ctx, fctx));
31}
32