Magic_Game/src/kiwano/2d/TextActor.h

// Copyright (c) 2016-2018 Kiwano - 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 <kiwano/2d/Actor.h>
#include <kiwano/renderer/Color.h>
#include <kiwano/renderer/TextLayout.h>

namespace kiwano
{
	KGE_DECLARE_SMART_PTR(TextActor);

	/**
	* \addtogroup Actors
	* @{
	*/

	/**
	* \~chinese
	* @brief <EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD>ɫ
	*/
	class KGE_API TextActor
		: public Actor
	{
	public:
		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5>ı<EFBFBD><C4B1><EFBFBD>ɫ
		TextActor();

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ɫ
		/// @param text <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		explicit TextActor(const String& text);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ɫ
		/// @param text <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		/// @param style <20>ı<EFBFBD><C4B1><EFBFBD>ʽ
		TextActor(const String& text, const TextStyle& style);

		virtual ~TextActor();

		/// \~chinese
		/// @brief <20><>ȡ<EFBFBD>ı<EFBFBD>
		const String& GetText() const;

		/// \~chinese
		/// @brief <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ʽ
		const TextStyle& GetStyle() const;

		/// \~chinese
		/// @brief <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>
		const TextLayout& GetLayout() const;

		/// \~chinese
		/// @brief <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD>ִ<EFBFBD>С
		Size GetLayoutSize() const;

		/// \~chinese
		/// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD>仭ˢ
		BrushPtr GetFillBrush() const;

		/// \~chinese
		/// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD>߻<EFBFBD>ˢ
		BrushPtr GetOutlineBrush() const;

		/// \~chinese
		/// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
		FontPtr GetFont() const;

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD>
		void SetText(String const& text);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD>ʽ
		void SetStyle(const TextStyle& style);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		void SetFont(FontPtr font);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		void SetFontFamily(String const& family);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD>ֺţ<D6BA>Ĭ<EFBFBD><C4AC>ֵΪ 18<31><38>
		void SetFontSize(float size);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸֵ<CFB8><D6B5>Ĭ<EFBFBD><C4AC>ֵΪ FontWeight::Normal<61><6C>
		void SetFontWeight(uint32_t weight);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>仭ˢ
		void SetFillBrush(BrushPtr brush);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB>Ĭ<EFBFBD><C4AC>ֵΪ Color::White<74><65>
		void SetFillColor(Color const& color);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD>壨Ĭ<E5A3A8><C4AC>ֵΪ false<73><65>
		void SetItalic(bool italic);

		/// \~chinese
		/// @brief <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);

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

		/// \~chinese
		/// @brief <20><><EFBFBD>ö<EFBFBD><C3B6>뷽ʽ<EBB7BD><CABD>Ĭ<EFBFBD><C4AC>Ϊ TextAlign::Left<66><74>
		void SetAlignment(TextAlign align);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߻<EFBFBD>ˢ
		void SetOutlineBrush(BrushPtr brush);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
		void SetOutlineColor(Color const& outline_color);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD>
		void SetOutlineWidth(float outline_width);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ཻ<EFBFBD><E0BDBB>ʽ
		void SetOutlineStroke(const StrokeStyle& outline_stroke);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ʾ<EFBFBD>»<EFBFBD><C2BB>ߣ<EFBFBD>Ĭ<EFBFBD><C4AC>ֵΪ false<73><65>
		void SetUnderline(bool enable);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ʾɾ<CABE><C9BE><EFBFBD>ߣ<EFBFBD>Ĭ<EFBFBD><C4AC>ֵΪ false<73><65>
		void SetStrikethrough(bool enable);

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD>
		/// @details <20><><EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>µģ<C2B5><C4A3>ֶ<EFBFBD><D6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD><EFBFBD>Ը<EFBFBD><D4B8>½ڵ<C2BD>״̬
		void UpdateLayout();

		/// \~chinese
		/// @brief <20><><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
		static void SetDefaultStyle(TextStyle const& style);

		/// \~chinese
		/// @brief <20><>ȡĬ<C8A1><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ
		static const TextStyle& GetDefaultStyle();

		void OnRender(RenderContext& ctx) override;

		void OnUpdate(Duration dt) override;

	protected:
		bool CheckVisibility(RenderContext& ctx) const override;

	private:
		bool		show_underline_;
		bool		show_strikethrough_;
		TextLayout	text_layout_;
	};

	/** @} */

	inline const String& TextActor::GetText() const
	{
		return text_layout_.GetText();
	}

	inline FontPtr TextActor::GetFont() const
	{
		return text_layout_.GetStyle().font;
	}

	inline const TextStyle& TextActor::GetStyle() const
	{
		return text_layout_.GetStyle();
	}

	inline const TextLayout& TextActor::GetLayout() const
	{
		return text_layout_;
	}

	inline Size TextActor::GetLayoutSize() const
	{
		return text_layout_.GetLayoutSize();
	}

	inline BrushPtr TextActor::GetFillBrush() const
	{
		return text_layout_.GetFillBrush();
	}

	inline BrushPtr TextActor::GetOutlineBrush() const
	{
		return text_layout_.GetOutlineBrush();
	}

	inline void TextActor::SetText(String const& text)
	{
		text_layout_.SetText(text);
	}

	inline void TextActor::SetStyle(const TextStyle& style)
	{
		text_layout_.SetStyle(style);
	}

	inline void TextActor::SetFont(FontPtr font)
	{
		text_layout_.SetFont(font);
	}

	inline void TextActor::SetFontFamily(String const& family)
	{
		text_layout_.SetFontFamily(family);
	}

	inline void TextActor::SetFontSize(float size)
	{
		text_layout_.SetFontSize(size);
	}

	inline void TextActor::SetFontWeight(uint32_t weight)
	{
		text_layout_.SetFontWeight(weight);
	}

	inline void TextActor::SetItalic(bool italic)
	{
		text_layout_.SetItalic(italic);
	}

	inline void TextActor::SetWrapWidth(float wrap_width)
	{
		text_layout_.SetWrapWidth(wrap_width);
	}

	inline void TextActor::SetLineSpacing(float line_spacing)
	{
		text_layout_.SetLineSpacing(line_spacing);
	}

	inline void TextActor::SetAlignment(TextAlign align)
	{
		text_layout_.SetAlignment(align);
	}

	inline void TextActor::SetUnderline(bool enable)
	{
		show_underline_ = enable;
	}

	inline void TextActor::SetStrikethrough(bool enable)
	{
		show_strikethrough_ = enable;
	}

	inline void TextActor::SetFillBrush(BrushPtr brush)
	{
		text_layout_.SetFillBrush(brush);
	}

	inline void TextActor::SetOutlineBrush(BrushPtr brush)
	{
		text_layout_.SetOutlineBrush(brush);
	}

	inline void TextActor::SetOutlineWidth(float outline_width)
	{
		text_layout_.SetOutlineWidth(outline_width);
	}

	inline void TextActor::SetOutlineStroke(const StrokeStyle& outline_stroke)
	{
		text_layout_.SetOutlineStroke(outline_stroke);
	}

}