37 lines
993 B
C++
37 lines
993 B
C++
/**
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* @file Label.cpp
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* @author apio (cloudapio.eu)
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* @brief A simple one-line text widget.
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*
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* @copyright Copyright (c) 2023, the Luna authors.
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*
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*/
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#include <luna/Utf8.h>
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#include <ui/Label.h>
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namespace ui
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{
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Label::Label(StringView text, VerticalAlignment valign, HorizontalAlignment halign, SharedPtr<Font> font)
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: m_text(text), m_valign(valign), m_halign(halign), m_font(font)
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{
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}
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Result<void> Label::draw(Canvas& canvas)
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{
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ui::Rect contained;
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contained.pos = { 0, 0 };
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contained.width = static_cast<int>(m_text.length() * m_font->width());
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contained.height = m_font->height();
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auto subcanvas =
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canvas.subcanvas(ui::align({ 0, 0, m_rect.width, m_rect.height }, contained, m_valign, m_halign));
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Utf8StringDecoder decoder(m_text.chars());
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wchar_t buf[4096];
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TRY(decoder.decode(buf, sizeof(buf)));
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m_font->render(buf, ui::BLACK, subcanvas);
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return {};
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}
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}
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