chromium/third_party/blink/renderer/modules/canvas/canvas2d/canvas_style.h

/*
 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_CANVAS_CANVAS2D_CANVAS_STYLE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_CANVAS_CANVAS2D_CANVAS_STYLE_H_

#include "base/check.h"
#include "base/check_op.h"
#include "base/compiler_specific.h"
#include "cc/paint/paint_flags.h"
#include "third_party/blink/public/mojom/frame/color_scheme.mojom-blink.h"
#include "third_party/blink/renderer/platform/graphics/color.h"
#include "third_party/blink/renderer/platform/heap/forward.h"  // IWYU pragma: keep (blink::Visitor)
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

// https://github.com/include-what-you-use/include-what-you-use/issues/1546
// IWYU pragma: no_forward_declare WTF::internal::__thisIsHereToForceASemicolonAfterThisMacro

// IWYU pragma: no_include "third_party/blink/renderer/platform/heap/visitor.h"

namespace ui {
class ColorProvider;
}  // namespace ui

namespace blink {

class CanvasGradient;
class CanvasPattern;

class CanvasStyle final { … };

ALWAYS_INLINE void CanvasStyle::ApplyColorToFlags(cc::PaintFlags& flags,
                                                  float global_alpha) const { … }

ALWAYS_INLINE void CanvasStyle::SyncFlags(cc::PaintFlags& flags,
                                          float global_alpha) const { … }

enum class ColorParseResult { … };

// Parses the canvas color string and returns the result. If the result is
// `kParsedColor`, `parsed_color` is set appropriately.
ColorParseResult ParseCanvasColorString(const String& color_string,
                                        mojom::blink::ColorScheme color_scheme,
                                        Color& parsed_color,
                                        const ui::ColorProvider* color_provider,
                                        bool is_in_web_app_scope);

// Parses the canvas color string, returning true on success. If `color_string`
// indicates the current color should be used, `parsed_color` is set to black.
// Use this function in places not associated with an HTMLCanvasElement.
bool ParseCanvasColorString(const String& color_string, Color& parsed_color);

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_CANVAS_CANVAS2D_CANVAS_STYLE_H_