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39 lines
1.2 KiB
C++
39 lines
1.2 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/ClipFrame.h>
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namespace Web::Painting {
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void ClipFrame::add_clip_rect(CSSPixelRect rect, BorderRadiiData radii, RefPtr<ScrollFrame const> enclosing_scroll_frame)
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{
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for (auto& existing_clip : m_clip_rects) {
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if (rect == existing_clip.rect && enclosing_scroll_frame == existing_clip.enclosing_scroll_frame) {
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existing_clip.corner_radii.union_max_radii(radii);
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return;
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}
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}
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m_clip_rects.append({ rect, radii, move(enclosing_scroll_frame) });
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}
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CSSPixelRect ClipFrame::clip_rect_for_hit_testing() const
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{
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VERIFY(!m_clip_rects.is_empty());
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auto rect = m_clip_rects[0].rect;
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if (m_clip_rects[0].enclosing_scroll_frame) {
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rect.translate_by(m_clip_rects[0].enclosing_scroll_frame->cumulative_offset());
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}
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for (size_t i = 1; i < m_clip_rects.size(); ++i) {
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auto clip_rect = m_clip_rects[i].rect;
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if (m_clip_rects[i].enclosing_scroll_frame) {
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clip_rect.translate_by(m_clip_rects[i].enclosing_scroll_frame->cumulative_offset());
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}
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rect.intersect(clip_rect);
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}
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return rect;
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}
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}
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