242 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			242 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
| // Copyright (c) 2016-2018 Easy2D - 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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| 
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| #pragma once
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| #include "Node.h"
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| #include "Font.h"
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| 
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| namespace easy2d
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| {
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| 	// 文本
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| 	class Text
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| 		: public Node
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| 	{
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| 		E2D_DISABLE_COPY(Text);
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| 
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| 	public:
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| 		// 文本对齐方式
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| 		enum class Align
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| 		{
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| 			Left,		/* 左对齐 */
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| 			Right,		/* 右对齐 */
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| 			Center		/* 居中对齐 */
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| 		};
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| 
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| 		// 文本样式
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| 		class Style
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| 		{
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| 		public:
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| 			Color	color;				// 颜色
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| 			Align	alignment;			// 对齐方式
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| 			bool	wrap;				// 打开自动换行
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| 			float	wrap_width;			// 自动换行宽度
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| 			float	line_spacing;		// 行间距
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| 			bool	underline;			// 下划线
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| 			bool	strikethrough;		// 删除线
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| 			bool	outline;			// 显示描边
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| 			Color	outline_color;		// 描边颜色
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| 			float	outline_width;		// 描边线宽
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| 			StrokeStyle	outline_stroke;		// 描边线相交样式
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| 
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| 		public:
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| 			Style();
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| 
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| 			Style(
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| 				Color color,
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| 				Align alignment			= Align::Left,
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| 				bool wrap				= false,
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| 				float wrap_width		= 0.f,
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| 				float line_spacing		= 0.f,
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| 				bool underline			= false,
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| 				bool strikethrough		= false,
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| 				bool outline			= true,
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| 				Color outline_color		= Color(Color::Black, 0.5),
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| 				float outline_width		= 1.f,
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| 				StrokeStyle outline_stroke = StrokeStyle::Round
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| 			);
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| 		};
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| 
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| 	public:
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| 		Text();
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| 
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| 		explicit Text(
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| 			const String& text,			/* 文字内容 */
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| 			const Font& font	= Font(),		/* 字体 */
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| 			const Style& style	= Style()		/* 文本样式 */
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| 		);
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| 
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| 		virtual ~Text();
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| 
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| 		// 获取文本
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| 		const String& GetText() const;
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| 
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| 		// 获取字体
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| 		const Font& GetFont() const;
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| 
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| 		// 获取文本样式
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| 		const Style& GetStyle() const;
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| 
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| 		// 获取字体族
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| 		const String& GetFontFamily() const;
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| 
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| 		// 获取当前字号
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| 		float GetFontSize() const;
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| 
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| 		// 获取当前字体粗细值
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| 		UINT GetFontWeight() const;
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| 
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| 		// 获取文字颜色
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| 		const Color& GetColor() const;
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| 
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| 		// 获取描边颜色
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| 		const Color& GetOutlineColor() const;
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| 
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| 		// 获取描边线宽
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| 		float GetOutlineWidth() const;
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| 
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| 		// 获取描边线相交样式
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| 		StrokeStyle GetOutlineStroke() const;
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| 
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| 		// 获取文本显示行数
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| 		int GetLineCount() const;
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| 
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| 		// 是否是斜体
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| 		bool IsItalic() const;
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| 
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| 		// 是否显示删除线
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| 		bool strikethrough() const;
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| 
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| 		// 是否显示下划线
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| 		bool underline() const;
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| 
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| 		// 是否显示描边
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| 		bool outline() const;
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| 
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| 		// 设置文本
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| 		void SetText(
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| 			const String& text
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| 		);
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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 Style& style
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| 		);
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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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| 
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| 		// 设置字体族
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| 		void SetFontFamily(
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| 			const String& family
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| 		);
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| 
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| 		// 设置字号(默认值为 22)
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| 		void SetFontSize(
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| 			float size
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| 		);
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| 
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| 		// 设置字体粗细值(默认值为 Text::Font::Weight::Normal)
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| 		void SetFontWeight(
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| 			UINT weight
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| 		);
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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 color
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| 		);
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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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| 
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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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| 
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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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| 
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| 		// 设置行间距(默认为 0)
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| 		void SetLineSpacing(
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| 			float line_spacing
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| 		);
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| 
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| 		// 设置对齐方式(默认为 Align::Left)
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| 		void SetAlignment(
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| 			Align align
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| 		);
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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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| 
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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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| 
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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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| 
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| 		// 设置描边颜色
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| 		void SetOutlineColor(
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| 			Color outline_color
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| 		);
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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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| 
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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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| 
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| 		// 渲染文字
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| 		virtual void OnDraw() const override;
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| 
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| 	private:
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| 		// 重新排版文字
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| 		void Reset();
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| 
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| 		// 创建文字格式化
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| 		void CreateFormat();
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| 
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| 		// 创建文字布局
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| 		void CreateLayout();
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| 
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| 	private:
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| 		String		text_;
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| 		Font				font_;
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| 		Style				style_;
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| 		IDWriteTextFormat*	text_format_;
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| 		IDWriteTextLayout*	text_layout_;
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| 	};
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| } |