731685468a
This patch introduces support for more than just "absolute px" units in our Length class. It now also supports "em" and "rem", which are units relative to the font-size of the current layout node and the <html> element's layout node respectively.
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <LibGfx/Size.h>
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#include <LibWeb/CSS/LengthBox.h>
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namespace Web {
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class BoxModelMetrics {
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public:
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BoxModelMetrics();
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~BoxModelMetrics();
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LengthBox& margin() { return m_margin; }
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LengthBox& padding() { return m_padding; }
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LengthBox& border() { return m_border; }
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LengthBox& offset() { return m_offset; }
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const LengthBox& margin() const { return m_margin; }
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const LengthBox& padding() const { return m_padding; }
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const LengthBox& border() const { return m_border; }
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const LengthBox& offset() const { return m_offset; }
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struct PixelBox {
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float top;
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float right;
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float bottom;
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float left;
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};
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PixelBox full_margin(const LayoutNode&) const;
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private:
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LengthBox m_margin;
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LengthBox m_padding;
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LengthBox m_border;
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LengthBox m_offset;
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};
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}
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