141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
// Copyright (C) 2016 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Utility module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_RICHTEXTDRAWER_HPP
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#define NAZARA_RICHTEXTDRAWER_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Core/String.hpp>
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#include <Nazara/Utility/AbstractTextDrawer.hpp>
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#include <Nazara/Utility/Enums.hpp>
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#include <Nazara/Utility/Font.hpp>
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#include <vector>
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namespace Nz
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{
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class NAZARA_UTILITY_API RichTextDrawer : public AbstractTextDrawer
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{
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public:
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class BlockRef;
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RichTextDrawer();
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RichTextDrawer(const RichTextDrawer& drawer);
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RichTextDrawer(RichTextDrawer&& drawer);
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virtual ~RichTextDrawer();
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BlockRef Append(const String& str);
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void Clear();
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unsigned int GetBlockCharacterSize(std::size_t index) const;
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const Color& GetBlockColor(std::size_t index) const;
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std::size_t GetBlockCount() const;
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const FontRef& GetBlockFont(std::size_t index) const;
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UInt32 GetBlockStyle(std::size_t index) const;
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const String& GetBlockText(std::size_t index) const;
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unsigned int GetDefaultCharacterSize() const;
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const Color& GetDefaultColor() const;
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const FontRef& GetDefaultFont() const;
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UInt32 GetDefaultStyle() const;
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const Rectui& GetBounds() const override;
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Font* GetFont(unsigned int index) const override;
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unsigned int GetFontCount() const override;
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const Glyph& GetGlyph(unsigned int index) const override;
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unsigned int GetGlyphCount() const override;
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void MergeBlocks();
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void RemoveBlock(std::size_t index);
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void SetBlockCharacterSize(std::size_t index, unsigned int characterSize);
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void SetBlockColor(std::size_t index, const Color& color);
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void SetBlockFont(std::size_t index, FontRef font);
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void SetBlockStyle(std::size_t index, UInt32 style);
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void SetBlockText(std::size_t index, const String& str);
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void SetDefaultCharacterSize(unsigned int characterSize);
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void SetDefaultColor(const Color& color);
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void SetDefaultFont(FontRef font);
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void SetDefaultStyle(UInt32 style);
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RichTextDrawer& operator=(const RichTextDrawer& drawer);
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RichTextDrawer& operator=(RichTextDrawer&& drawer);
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static RichTextDrawer Draw(const String& str, unsigned int characterSize, UInt32 style = TextStyle_Regular, const Color& color = Color::White);
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static RichTextDrawer Draw(Font* font, const String& str, unsigned int characterSize, UInt32 style = TextStyle_Regular, const Color& color = Color::White);
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private:
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void ClearGlyphs() const;
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void ConnectFontSlots();
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void DisconnectFontSlots();
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void GenerateGlyphs(const String& text) const;
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void OnFontAtlasLayerChanged(const Font* font, AbstractImage* oldLayer, AbstractImage* newLayer);
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void OnFontInvalidated(const Font* font);
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void OnFontRelease(const Font* object);
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void UpdateGlyphs() const;
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NazaraSlot(Font, OnFontAtlasChanged, m_atlasChangedSlot);
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NazaraSlot(Font, OnFontAtlasLayerChanged, m_atlasLayerChangedSlot);
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NazaraSlot(Font, OnFontGlyphCacheCleared, m_glyphCacheClearedSlot);
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NazaraSlot(Font, OnFontRelease, m_fontReleaseSlot);
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struct Block
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{
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Color color;
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String text;
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UInt32 style;
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unsigned int characterSize;
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unsigned int fontIndex;
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};
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Color m_defaultColor;
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FontRef m_defaultFont;
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UInt32 m_defaultStyle;
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unsigned int m_defaultCharacterSize;
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std::unordered_map<FontRef, unsigned int> m_fonts;
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mutable std::vector<Glyph> m_glyphs;
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mutable Rectf m_workingBounds;
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mutable Rectui m_bounds;
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mutable Vector2ui m_drawPos;
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mutable bool m_glyphUpdated;
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};
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class RichTextDrawer::BlockRef
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{
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public:
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BlockRef(const BlockRef&) = default;
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BlockRef(BlockRef&&) = default;
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~BlockRef() = default;
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inline unsigned int GetCharacterSize() const;
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inline Color GetColor() const;
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inline const FontRef& GetFont() const;
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inline UInt32 GetStyle() const;
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inline const String& GetText() const;
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inline void SetCharacterSize(unsigned int size);
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inline void SetColor(Color color);
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inline void SetFont(FontRef font);
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inline void SetStyle(UInt32 style);
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inline void SetText(const String& text);
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BlockRef& operator=(const BlockRef&) = default;
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BlockRef& operator=(BlockRef&&) = default;
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private:
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inline BlockRef(RichTextDrawer& drawer, std::size_t index);
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std::size_t m_blockIndex;
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RichTextDrawer& m_drawer;
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};
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}
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#include <Nazara/Utility/RichTextDrawer.inl>
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#endif // NAZARA_RICHTEXTDRAWER_HPP
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