111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "TextLayout.h"
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#include "Renderer.h"
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#include "../base/Logger.h"
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namespace kiwano
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{
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//
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// TextFormat
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//
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TextFormat::TextFormat()
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{
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}
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TextFormat::TextFormat(Font const& font)
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{
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Update(font);
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}
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void TextFormat::Update(Font const& font)
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{
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Renderer::GetInstance()->CreateTextFormat(*this, font);
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}
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//
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// TextLayout
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//
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TextLayout::TextLayout()
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{
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}
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TextLayout::TextLayout(String const& text, Font const& font, TextStyle const& style)
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{
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Update(font);
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Update(text, style);
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}
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void TextLayout::Update(Font const& font)
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{
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text_format_.Update(font);
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}
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void TextLayout::Update(String const& text, TextStyle const& style)
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{
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style_ = style;
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if (text.empty())
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{
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text_format_.SetTextFormat(nullptr);
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SetTextLayout(nullptr);
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return;
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}
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Renderer::GetInstance()->CreateTextLayout(
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*this,
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text,
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style,
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text_format_
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);
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}
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UInt32 TextLayout::GetLineCount()
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{
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if (text_layout_)
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{
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DWRITE_TEXT_METRICS metrics;
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if (SUCCEEDED(text_layout_->GetMetrics(&metrics)))
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{
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return metrics.lineCount;
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}
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}
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return 0;
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}
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Size TextLayout::GetLayoutSize() const
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{
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if (text_layout_)
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{
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DWRITE_TEXT_METRICS metrics;
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if (SUCCEEDED(text_layout_->GetMetrics(&metrics)))
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{
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return (metrics.layoutWidth > 0) ? Size(metrics.layoutWidth, metrics.height) : Size(metrics.width, metrics.height);
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}
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}
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return Size();
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}
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}
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