Magic_Game/core/base/Text.h

// Copyright (c) 2016-2018 Easy2D - Nomango
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#pragma once
#include "Node.h"
#include "Font.h"

namespace easy2d
{
	// <20>ı<EFBFBD>
	class Text
		: public Node
	{
		E2D_DISABLE_COPY(Text);

	public:
		// <20>ı<EFBFBD><C4B1><EFBFBD><EFBFBD>뷽ʽ
		enum class Align
		{
			Left,		/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
			Right,		/* <20>Ҷ<EFBFBD><D2B6><EFBFBD> */
			Center		/* <20><><EFBFBD>ж<EFBFBD><D0B6><EFBFBD> */
		};

		// <20>ı<EFBFBD><C4B1><EFBFBD>ʽ
		class Style
		{
		public:
			Color	color;				// <20><>ɫ
			Align	alignment;			// <20><><EFBFBD>뷽ʽ
			bool	wrap;				// <20><><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>
			float	wrap_width;			// <20>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>п<EFBFBD><D0BF><EFBFBD>
			float	line_spacing;		// <20>м<EFBFBD><D0BC><EFBFBD>
			bool	underline;			// <20>»<EFBFBD><C2BB><EFBFBD>
			bool	strikethrough;		// ɾ<><C9BE><EFBFBD><EFBFBD>
			bool	outline;			// <20><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
			Color	outline_color;		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
			float	outline_width;		// <20><><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD>
			StrokeStyle	outline_stroke;		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ཻ<EFBFBD><E0BDBB>ʽ

		public:
			Style();

			Style(
				Color color,
				Align alignment			= Align::Left,
				bool wrap				= false,
				float wrap_width		= 0.f,
				float line_spacing		= 0.f,
				bool underline			= false,
				bool strikethrough		= false,
				bool outline			= true,
				Color outline_color		= Color(Color::Black, 0.5),
				float outline_width		= 1.f,
				StrokeStyle outline_stroke = StrokeStyle::Round
			);
		};

	public:
		Text();

		explicit Text(
			const String& text,			/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
			const Font& font	= Font(),		/* <20><><EFBFBD><EFBFBD> */
			const Style& style	= Style()		/* <20>ı<EFBFBD><C4B1><EFBFBD>ʽ */
		);

		virtual ~Text();

		// <20><>ȡ<EFBFBD>ı<EFBFBD>
		const String& GetText() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
		const Font& GetFont() const;

		// <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ʽ
		const Style& GetStyle() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		const String& GetFontFamily() const;

		// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD>ֺ<EFBFBD>
		float GetFontSize() const;

		// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸֵ
		UINT GetFontWeight() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
		const Color& GetColor() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
		const Color& GetOutlineColor() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD>
		float GetOutlineWidth() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ཻ<EFBFBD><E0BDBB>ʽ
		StrokeStyle GetOutlineStroke() const;

		// <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
		int GetLineCount() const;

		// <20>Ƿ<EFBFBD><C7B7><EFBFBD>б<EFBFBD><D0B1>
		bool IsItalic() const;

		// <20>Ƿ<EFBFBD><C7B7><EFBFBD>ʾɾ<CABE><C9BE><EFBFBD><EFBFBD>
		bool strikethrough() const;

		// <20>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ<EFBFBD>»<EFBFBD><C2BB><EFBFBD>
		bool underline() const;

		// <20>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
		bool outline() const;

		// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD>
		void SetText(
			const String& text
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ʽ
		void SetStyle(
			const Style& style
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		void SetFont(
			const Font& font
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		void SetFontFamily(
			const String& family
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD>ֺţ<D6BA>Ĭ<EFBFBD><C4AC>ֵΪ 22<32><32>
		void SetFontSize(
			float size
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸֵ<CFB8><D6B5>Ĭ<EFBFBD><C4AC>ֵΪ Text::Font::Weight::Normal<61><6C>
		void SetFontWeight(
			UINT weight
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB>Ĭ<EFBFBD><C4AC>ֵΪ Color::WHITE<54><45>
		void SetColor(
			Color color
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>壨Ĭ<E5A3A8><C4AC>ֵΪ false<73><65>
		void SetItalic(
			bool val
		);

		// <20>򿪻<EFBFBD><F2BFAABB>ر<EFBFBD><D8B1>ı<EFBFBD><C4B1>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>У<EFBFBD>Ĭ<EFBFBD><C4AC>Ϊ<EFBFBD>رգ<D8B1>
		void SetWrapEnabled(
			bool wrap
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>еĿ<D0B5><C4BF>ȣ<EFBFBD>Ĭ<EFBFBD><C4AC>Ϊ 0<><30>
		void SetWrapWidth(
			float wrap_width
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC>ࣨĬ<E0A3A8><C4AC>Ϊ 0<><30>
		void SetLineSpacing(
			float line_spacing
		);

		// <20><><EFBFBD>ö<EFBFBD><C3B6>뷽ʽ<EBB7BD><CABD>Ĭ<EFBFBD><C4AC>Ϊ Align::Left<66><74>
		void SetAlignment(
			Align align
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD>»<EFBFBD><C2BB>ߣ<EFBFBD>Ĭ<EFBFBD><C4AC>ֵΪ false<73><65>
		void SetUnderline(
			bool underline
		);

		// <20><><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE><EFBFBD>ߣ<EFBFBD>Ĭ<EFBFBD><C4AC>ֵΪ false<73><65>
		void SetStrikethrough(
			bool strikethrough
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
		void SetOutline(
			bool outline
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
		void SetOutlineColor(
			Color outline_color
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD>
		void SetOutlineWidth(
			float outline_width
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ཻ<EFBFBD><E0BDBB>ʽ
		void SetOutlineStroke(
			StrokeStyle outline_stroke
		);

		// <20><>Ⱦ<EFBFBD><C8BE><EFBFBD><EFBFBD>
		virtual void OnDraw() const override;

	private:
		// <20><><EFBFBD><EFBFBD><EFBFBD>Ű<EFBFBD><C5B0><EFBFBD><EFBFBD><EFBFBD>
		void Reset();

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>ʽ<EFBFBD><CABD>
		void CreateFormat();

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD>
		void CreateLayout();

	private:
		String		text_;
		Font				font_;
		Style				style_;
		IDWriteTextFormat*	text_format_;
		IDWriteTextLayout*	text_layout_;
	};
}