127 lines
4.8 KiB
C++
127 lines
4.8 KiB
C++
// Copyright (C) 2017 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_SIMPLETEXTDRAWER_HPP
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#define NAZARA_SIMPLETEXTDRAWER_HPP
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#include <Nazara/Prerequisites.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 SimpleTextDrawer : public AbstractTextDrawer
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{
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public:
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inline SimpleTextDrawer();
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inline SimpleTextDrawer(const SimpleTextDrawer& drawer);
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inline SimpleTextDrawer(SimpleTextDrawer&& drawer);
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~SimpleTextDrawer() = default;
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inline void AppendText(const String& str);
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void Clear() override;
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const Rectf& GetBounds() const override;
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inline float GetCharacterSpacingOffset() const;
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inline unsigned int GetCharacterSize() const;
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inline const Color& GetColor() const;
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inline Font* GetFont() const;
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Font* GetFont(std::size_t index) const override;
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std::size_t GetFontCount() const override;
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const Glyph& GetGlyph(std::size_t index) const override;
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std::size_t GetGlyphCount() const override;
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const Line& GetLine(std::size_t index) const override;
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std::size_t GetLineCount() const override;
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inline float GetLineHeight() const;
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inline float GetLineSpacingOffset() const;
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float GetMaxLineWidth() const override;
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inline const Color& GetOutlineColor() const;
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inline float GetOutlineThickness() const;
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inline TextStyleFlags GetStyle() const;
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inline const String& GetText() const;
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inline void SetCharacterSpacingOffset(float offset);
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inline void SetCharacterSize(unsigned int characterSize);
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inline void SetColor(const Color& color);
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inline void SetFont(Font* font);
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inline void SetLineSpacingOffset(float offset);
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inline void SetMaxLineWidth(float lineWidth) override;
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inline void SetOutlineColor(const Color& color);
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inline void SetOutlineThickness(float thickness);
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inline void SetStyle(TextStyleFlags style);
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inline void SetText(const String& str);
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inline SimpleTextDrawer& operator=(const SimpleTextDrawer& drawer);
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inline SimpleTextDrawer& operator=(SimpleTextDrawer&& drawer);
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static inline SimpleTextDrawer Draw(const String& str, unsigned int characterSize, TextStyleFlags style = TextStyle_Regular, const Color& color = Color::White);
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static inline SimpleTextDrawer Draw(const String& str, unsigned int characterSize, TextStyleFlags style, const Color& color, float outlineThickness, const Color& outlineColor);
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static inline SimpleTextDrawer Draw(Font* font, const String& str, unsigned int characterSize, TextStyleFlags style = TextStyle_Regular, const Color& color = Color::White);
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static inline SimpleTextDrawer Draw(Font* font, const String& str, unsigned int characterSize, TextStyleFlags style, const Color& color, float outlineThickness, const Color& outlineColor);
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private:
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inline void AppendNewLine() const;
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void AppendNewLine(std::size_t glyphIndex, float glyphPosition) const;
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void ClearGlyphs() const;
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inline void ConnectFontSlots();
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inline void DisconnectFontSlots();
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bool GenerateGlyph(Glyph& glyph, char32_t character, float outlineThickness, bool lineWrap, Nz::Color color, int renderOrder, int* advance) const;
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void GenerateGlyphs(const String& text) const;
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inline float GetLineHeight(const Font::SizeInfo& sizeInfo) const;
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inline void InvalidateColor();
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inline void InvalidateGlyphs();
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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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inline bool ShouldLineWrap(float size) const;
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inline void UpdateGlyphColor() const;
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inline void UpdateGlyphs() const;
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static constexpr std::size_t InvalidGlyph = std::numeric_limits<std::size_t>::max();
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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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mutable std::size_t m_lastSeparatorGlyph;
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mutable std::vector<Glyph> m_glyphs;
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mutable std::vector<Line> m_lines;
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Color m_color;
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Color m_outlineColor;
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FontRef m_font;
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mutable Rectf m_bounds;
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String m_text;
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TextStyleFlags m_style;
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mutable UInt32 m_previousCharacter;
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mutable Vector2f m_drawPos;
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mutable bool m_colorUpdated;
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mutable bool m_glyphUpdated;
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mutable float m_lastSeparatorPosition;
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float m_characterSpacingOffset;
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float m_lineSpacingOffset;
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float m_maxLineWidth;
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float m_outlineThickness;
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unsigned int m_characterSize;
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};
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}
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#include <Nazara/Utility/SimpleTextDrawer.inl>
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#endif // NAZARA_SIMPLETEXTDRAWER_HPP
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