221 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			221 lines
		
	
	
		
			4.3 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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#pragma once
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#include "Node.h"
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#include "Font.hpp"
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#include "TextStyle.hpp"
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#include <dwrite.h>
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namespace kiwano
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{
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	// 文本
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	class KGE_API Text
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		: public VisualNode
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	{
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	public:
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		Text();
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		explicit Text(
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			String const& text		/* 文字内容 */
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		);
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		explicit Text(
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			String const& text,		/* 文字内容 */
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			const Font& font		/* 字体 */
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		);
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		explicit Text(
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			String const& text,		/* 文字内容 */
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			const TextStyle& style	/* 文本样式 */
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		);
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		explicit Text(
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			String const& text,		/* 文字内容 */
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			const Font& font,		/* 字体 */
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			const TextStyle& style	/* 文本样式 */
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		);
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		virtual ~Text();
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		// 获取文本
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		String const& GetText() const;
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		// 获取字体
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		const Font& GetFont() const;
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		// 获取文本样式
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		const TextStyle& GetStyle() const;
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		// 获取字体族
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		String const& GetFontFamily() const;
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		// 获取当前字号
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		float GetFontSize() const;
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		// 获取当前字体粗细值
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		unsigned int GetFontWeight() const;
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		// 获取文字颜色
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		const Color& GetColor() const;
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		// 获取描边颜色
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		const Color& GetOutlineColor() const;
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		// 获取描边线宽
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		float GetOutlineWidth() const;
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		// 获取描边线相交样式
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		StrokeStyle GetOutlineStroke() const;
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		// 获取文本显示行数
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		int GetLineCount();
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		// 获取文字布局大小
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		Size const& GetLayoutSize() const;
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		// 是否是斜体
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		bool IsItalic() const;
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		// 是否显示删除线
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		bool HasStrikethrough() const;
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		// 是否显示下划线
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		bool HasUnderline() const;
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		// 是否显示描边
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		bool HasOutline() const;
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		// 设置文本
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		void SetText(
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			String const& text
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		);
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		// 设置文本样式
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		void SetStyle(
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			const TextStyle& style
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		);
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		// 设置字体
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		void SetFont(
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			const Font& font
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		);
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		// 设置字体族
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		void SetFontFamily(
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			String const& family
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		);
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		// 设置字号(默认值为 18)
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		void SetFontSize(
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			float size
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		);
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		// 设置字体粗细值(默认值为 FontWeight::Normal)
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		void SetFontWeight(
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			unsigned int weight
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		);
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		// 设置文字颜色(默认值为 Color::White)
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		void SetColor(
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			Color const& color
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		);
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		// 设置文字斜体(默认值为 false)
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		void SetItalic(
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			bool val
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		);
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		// 打开或关闭文本自动换行(默认为关闭)
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		void SetWrapEnabled(
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			bool wrap
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		);
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		// 设置文本自动换行的宽度(默认为 0)
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		void SetWrapWidth(
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			float wrap_width
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		);
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		// 设置行间距(默认为 0)
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		void SetLineacingPtr(
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			float line_spacing
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		);
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		// 设置对齐方式(默认为 TextAlign::Left)
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		void SetAlignment(
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			TextAlign align
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		);
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		// 设置下划线(默认值为 false)
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		void SetUnderline(
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			bool underline
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		);
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		// 设置删除线(默认值为 false)
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		void SetStrikethrough(
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			bool strikethrough
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		);
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		// 设置是否显示描边
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		void SetOutline(
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			bool outline
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		);
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		// 设置描边颜色
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		void SetOutlineColor(
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			Color const& outline_color
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		);
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		// 设置描边线宽
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		void SetOutlineWidth(
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			float outline_width
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		);
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		// 设置描边线相交样式
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		void SetOutlineStroke(
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			StrokeStyle outline_stroke
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		);
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		// 设置默认字体
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		static void SetDefaultFont(
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			Font const& font
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		);
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		// 设置默认文字样式
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		static void SetDefaultStyle(
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			TextStyle const& style
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		);
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		void OnRender() override;
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	protected:
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		void UpdateLayout() const;
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	protected:
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		String		text_;
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		Font		font_;
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		TextStyle	style_;
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		mutable bool layout_dirty_;
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		mutable Size layout_size_;
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		mutable ComPtr<IDWriteTextFormat>	text_format_;
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		mutable ComPtr<IDWriteTextLayout>	text_layout_;
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	};
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} |