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48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*
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* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Painting/ClippableAndScrollable.h>
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namespace Web::Painting {
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Optional<int> ClippableAndScrollable::scroll_frame_id() const
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{
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if (m_enclosing_scroll_frame)
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return m_enclosing_scroll_frame->id;
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return {};
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}
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Optional<CSSPixelPoint> ClippableAndScrollable::enclosing_scroll_frame_offset() const
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{
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if (m_enclosing_scroll_frame)
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return m_enclosing_scroll_frame->offset;
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return {};
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}
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Optional<CSSPixelRect> ClippableAndScrollable::clip_rect() const
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{
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if (m_enclosing_clip_frame) {
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auto rect = m_enclosing_clip_frame->rect();
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// NOTE: Since the painting command executor applies a CSS transform and the clip rect is calculated
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// with this transform taken into account, we need to remove the transform from the clip rect.
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// Otherwise, the transform will be applied twice to the clip rect.
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// Similarly, for hit-testing, the transform must be removed from the clip rectangle since the position
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// includes the transform.
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rect.translate_by(-m_combined_css_transform.translation().to_type<CSSPixels>());
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return rect;
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}
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return {};
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}
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Span<BorderRadiiClip const> ClippableAndScrollable::border_radii_clips() const
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{
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if (m_enclosing_clip_frame)
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return m_enclosing_clip_frame->border_radii_clips();
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return {};
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}
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}
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