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/*
* Copyright (C) 2014-2021 Apple Inc. All rights reserved.
*
* 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 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 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
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "InlineIteratorInlineBox.h"
#include "InlineIteratorLineBox.h"
#include "RenderStyleConstants.h"
namespace WebCore {
class RenderStyle;
inline float wavyOffsetFromDecoration()
{
return 1.f;
}
struct WavyStrokeParameters {
// Distance between decoration's axis and Bezier curve's control points.
// The height of the curve is based on this distance. Increases the curve's height
// as fontSize increases to make the curve look better.
float controlPointDistance { 0.f };
// Increment used to form the diamond shape between start point (p1), control
// points and end point (p2) along the axis of the decoration. The curve gets
// wider as font size increases.
float step { 0.f };
};
WavyStrokeParameters wavyStrokeParameters(float fontSize);
struct TextUnderlinePositionUnder {
float textRunLogicalHeight { 0.f };
// This offset value is the distance between the current text run's logical bottom and the lowest position of all the text runs
// on line that belong to the same decoration box.
float textRunOffsetFromBottomMost { 0.f };
};
GlyphOverflow visualOverflowForDecorations(const RenderStyle&);
GlyphOverflow visualOverflowForDecorations(const RenderStyle&, FontBaseline, TextUnderlinePositionUnder);
GlyphOverflow visualOverflowForDecorations(const InlineIterator::LineBoxIterator&, const RenderText&, float textBoxLogicalTop, float textBoxLogicalBottom);
float underlineOffsetForTextBoxPainting(const InlineIterator::InlineBox&, const RenderStyle&);
} // namespace WebCore
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