Utility: RichTextDrawer now works (WIP)
This commit is contained in:
Lynix
Jérôme Leclercq
parent
6bc99a6d5e
commit
451b3de69c
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@ -7,7 +7,7 @@
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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/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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@ -24,23 +24,23 @@ namespace Nz
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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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~RichTextDrawer();
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BlockRef Append(const String& str);
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BlockRef AppendText(const String& str);
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void Clear();
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inline 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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inline unsigned int GetBlockCharacterSize(std::size_t index) const;
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inline const Color& GetBlockColor(std::size_t index) const;
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inline std::size_t GetBlockCount() const;
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inline const FontRef& GetBlockFont(std::size_t index) const;
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inline TextStyleFlags GetBlockStyle(std::size_t index) const;
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inline 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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inline unsigned int GetDefaultCharacterSize() const;
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inline const Color& GetDefaultColor() const;
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inline const FontRef& GetDefaultFont() const;
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inline TextStyleFlags GetDefaultStyle() const;
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const Recti& GetBounds() const override;
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Font* GetFont(std::size_t index) const override;
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@ -54,62 +54,82 @@ namespace Nz
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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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inline void SetBlockCharacterSize(std::size_t index, unsigned int characterSize);
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inline void SetBlockColor(std::size_t index, const Color& color);
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inline void SetBlockFont(std::size_t index, FontRef font);
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inline void SetBlockStyle(std::size_t index, TextStyleFlags style);
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inline 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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inline void SetDefaultCharacterSize(unsigned int characterSize);
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inline void SetDefaultColor(const Color& color);
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inline void SetDefaultFont(const FontRef& font);
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inline void SetDefaultStyle(TextStyleFlags 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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//static RichTextDrawer Draw(const String& str, unsigned int characterSize, TextStyleFlags style = TextStyle_Regular, const Color& color = Color::White);
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//static RichTextDrawer Draw(Font* font, const String& str, unsigned int characterSize, TextStyleFlags 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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struct Block;
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inline void AppendNewLine(const Font* font, unsigned int characterSize) const;
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inline 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, const Font* font, const Color& color, TextStyleFlags style, unsigned int characterSize, int renderOrder, int* advance) const;
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void GenerateGlyphs(const Font* font, const Color& color, TextStyleFlags style, unsigned int characterSize, const Color& outlineColor, float outlineThickness, const String& text) const;
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inline std::size_t HandleFontAddition(const FontRef& font);
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inline void ReleaseFont(std::size_t fontIndex);
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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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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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void UpdateGlyphs() const;
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struct Block
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{
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std::size_t fontIndex;
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Color color;
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String text;
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UInt32 style;
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TextStyleFlags style;
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unsigned int characterSize;
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unsigned int fontIndex;
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};
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struct FontData
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{
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FontRef font;
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std::size_t useCount = 0;
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NazaraSlot(Font, OnFontAtlasChanged, atlasChangedSlot);
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NazaraSlot(Font, OnFontAtlasLayerChanged, atlasLayerChangedSlot);
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NazaraSlot(Font, OnFontGlyphCacheCleared, glyphCacheClearedSlot);
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NazaraSlot(Font, OnFontRelease, fontReleaseSlot);
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};
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Color m_defaultColor;
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TextStyleFlags m_defaultStyle;
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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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std::unordered_map<FontRef, std::size_t> m_fontIndexes;
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std::vector<Block> m_blocks;
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std::vector<FontData> m_fonts;
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mutable std::vector<Glyph> m_glyphs;
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mutable std::vector<Line> m_lines;
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mutable Rectf m_workingBounds;
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mutable Rectui m_bounds;
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mutable Recti m_bounds;
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mutable Vector2ui m_drawPos;
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mutable bool m_glyphUpdated;
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unsigned int m_defaultCharacterSize;
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};
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class RichTextDrawer::BlockRef
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{
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friend RichTextDrawer;
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public:
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BlockRef(const BlockRef&) = default;
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BlockRef(BlockRef&&) = default;
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@ -118,13 +138,13 @@ namespace Nz
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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 TextStyleFlags 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 SetStyle(TextStyleFlags style);
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inline void SetText(const String& text);
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BlockRef& operator=(const BlockRef&) = default;
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@ -2,10 +2,238 @@
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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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#include <Nazara/Utility/RichTextDrawer.hpp>
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#include <Nazara/Utility/Debug.hpp>
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namespace Nz
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{
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inline void RichTextDrawer::Clear()
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{
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m_fontIndexes.clear();
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m_blocks.clear();
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m_fonts.clear();
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m_glyphs.clear();
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ClearGlyphs();
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}
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inline unsigned int RichTextDrawer::GetBlockCharacterSize(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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return m_blocks[index].characterSize;
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}
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inline const Color& RichTextDrawer::GetBlockColor(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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return m_blocks[index].color;
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}
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inline std::size_t RichTextDrawer::GetBlockCount() const
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{
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return m_blocks.size();
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}
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inline const FontRef& RichTextDrawer::GetBlockFont(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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std::size_t fontIndex = m_blocks[index].fontIndex;
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assert(fontIndex < m_fonts.size());
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return m_fonts[fontIndex].font;
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}
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inline TextStyleFlags RichTextDrawer::GetBlockStyle(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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return m_blocks[index].style;
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}
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inline const String& RichTextDrawer::GetBlockText(std::size_t index) const
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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return m_blocks[index].text;
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}
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inline unsigned int RichTextDrawer::GetDefaultCharacterSize() const
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{
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return m_defaultCharacterSize;
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}
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inline const Color& RichTextDrawer::GetDefaultColor() const
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{
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return m_defaultColor;
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}
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inline const FontRef& RichTextDrawer::GetDefaultFont() const
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{
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return m_defaultFont;
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}
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inline TextStyleFlags RichTextDrawer::GetDefaultStyle() const
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{
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return m_defaultStyle;
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}
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inline void RichTextDrawer::AppendNewLine(const Font* font, unsigned int characterSize) const
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{
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// Ensure we're appending from last line
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Line& lastLine = m_lines.back();
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const Font::SizeInfo& sizeInfo = font->GetSizeInfo(characterSize);
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unsigned int previousDrawPos = m_drawPos.x;
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// Reset cursor
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m_drawPos.x = 0;
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m_drawPos.y += sizeInfo.lineHeight;
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m_workingBounds.ExtendTo(lastLine.bounds);
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m_lines.emplace_back(Line{ Rectf(0.f, float(sizeInfo.lineHeight * m_lines.size()), 0.f, float(sizeInfo.lineHeight)), m_glyphs.size() + 1 });
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}
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inline void RichTextDrawer::ClearGlyphs() const
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{
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m_bounds.MakeZero();
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m_lines.clear();
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m_glyphs.clear();
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m_glyphUpdated = true;
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m_workingBounds.MakeZero(); //< Compute bounds as float to speedup bounds computation (as casting between floats and integers is costly)
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}
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inline void RichTextDrawer::ConnectFontSlots()
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{
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for (auto& fontData : m_fonts)
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{
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fontData.atlasChangedSlot.Connect(fontData.font->OnFontAtlasChanged, this, &RichTextDrawer::OnFontInvalidated);
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fontData.atlasLayerChangedSlot.Connect(fontData.font->OnFontAtlasLayerChanged, this, &RichTextDrawer::OnFontAtlasLayerChanged);
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fontData.fontReleaseSlot.Connect(fontData.font->OnFontDestroy, this, &RichTextDrawer::OnFontRelease);
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fontData.glyphCacheClearedSlot.Connect(fontData.font->OnFontGlyphCacheCleared, this, &RichTextDrawer::OnFontInvalidated);
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}
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}
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inline void RichTextDrawer::DisconnectFontSlots()
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{
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for (auto& fontData : m_fonts)
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{
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fontData.atlasChangedSlot.Disconnect();
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fontData.atlasLayerChangedSlot.Disconnect();
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fontData.fontReleaseSlot.Disconnect();
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fontData.glyphCacheClearedSlot.Disconnect();
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}
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}
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inline std::size_t RichTextDrawer::HandleFontAddition(const FontRef& font)
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{
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auto it = m_fontIndexes.find(font);
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if (it == m_fontIndexes.end())
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{
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std::size_t fontIndex = m_fonts.size();
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m_fonts.emplace_back();
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auto& fontData = m_fonts.back();
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fontData.font = font;
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fontData.atlasChangedSlot.Connect(font->OnFontAtlasChanged, this, &RichTextDrawer::OnFontInvalidated);
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fontData.atlasLayerChangedSlot.Connect(font->OnFontAtlasLayerChanged, this, &RichTextDrawer::OnFontAtlasLayerChanged);
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fontData.fontReleaseSlot.Connect(font->OnFontDestroy, this, &RichTextDrawer::OnFontRelease);
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fontData.glyphCacheClearedSlot.Connect(font->OnFontGlyphCacheCleared, this, &RichTextDrawer::OnFontInvalidated);
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it = m_fontIndexes.emplace(font, fontIndex).first;
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}
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return it->second;
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}
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inline void RichTextDrawer::ReleaseFont(std::size_t fontIndex)
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{
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assert(fontIndex < m_fonts.size());
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FontData& fontData = m_fonts[fontIndex];
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assert(fontData.useCount > 0);
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if (--fontData.useCount == 0)
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{
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// Shift font indexes
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m_fontIndexes.erase(fontData.font);
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for (auto it = m_fontIndexes.begin(); it != m_fontIndexes.end(); ++it)
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{
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if (it->second > fontIndex)
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it->second--;
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}
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m_fonts.erase(m_fonts.begin() + fontIndex);
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}
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}
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inline void RichTextDrawer::SetBlockCharacterSize(std::size_t index, unsigned int characterSize)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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m_blocks[index].characterSize = characterSize;
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InvalidateGlyphs();
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}
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inline void RichTextDrawer::SetBlockColor(std::size_t index, const Color& color)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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m_blocks[index].color = color;
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InvalidateGlyphs();
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}
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inline void RichTextDrawer::SetBlockFont(std::size_t index, FontRef font)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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std::size_t fontIndex = HandleFontAddition(font);
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std::size_t oldFontIndex = m_blocks[index].fontIndex;
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if (oldFontIndex != fontIndex)
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{
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ReleaseFont(oldFontIndex);
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m_fonts[fontIndex].useCount++;
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m_blocks[index].fontIndex = fontIndex;
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}
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}
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inline void RichTextDrawer::SetBlockStyle(std::size_t index, TextStyleFlags style)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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m_blocks[index].style = style;
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InvalidateGlyphs();
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}
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inline void RichTextDrawer::SetBlockText(std::size_t index, const String& str)
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{
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NazaraAssert(index < m_blocks.size(), "Invalid block index");
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m_blocks[index].text = str;
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InvalidateGlyphs();
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}
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inline void RichTextDrawer::SetDefaultCharacterSize(unsigned int characterSize)
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{
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m_defaultCharacterSize = characterSize;
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}
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inline void RichTextDrawer::SetDefaultColor(const Color& color)
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{
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m_defaultColor = color;
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}
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inline void RichTextDrawer::SetDefaultFont(const FontRef& font)
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{
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m_defaultFont = font;
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}
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inline void RichTextDrawer::SetDefaultStyle(TextStyleFlags style)
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{
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m_defaultStyle = style;
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}
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inline void RichTextDrawer::InvalidateGlyphs()
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{
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m_glyphUpdated = false;
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}
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/*!
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* \class Nz::RichTextDrawer::BlockRef
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* \brief Helper class representing a block inside a RichTextDrawer, allowing easier access.
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@ -58,7 +286,7 @@ namespace Nz
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*
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* \see GetCharacterSize, GetColor, GetFont, GetText, SetStyle
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*/
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inline UInt32 RichTextDrawer::BlockRef::GetStyle() const
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inline TextStyleFlags RichTextDrawer::BlockRef::GetStyle() const
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{
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return m_drawer.GetBlockStyle(m_blockIndex);
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}
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@ -113,7 +341,7 @@ namespace Nz
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*
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* \see GetStyle, SetCharacterSize, SetColor, SetFont, SetText
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*/
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inline void RichTextDrawer::BlockRef::SetStyle(UInt32 style)
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inline void RichTextDrawer::BlockRef::SetStyle(TextStyleFlags style)
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{
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m_drawer.SetBlockStyle(m_blockIndex, style);
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}
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@ -0,0 +1,476 @@
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// 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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#include <Nazara/Utility/RichTextDrawer.hpp>
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#include <limits>
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#include <memory>
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#include <Nazara/Utility/Debug.hpp>
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namespace Nz
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{
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RichTextDrawer::RichTextDrawer() :
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m_defaultColor(Color::White),
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//m_outlineColor(Color::Black),
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m_defaultStyle(TextStyle_Regular),
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m_glyphUpdated(true),
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//m_maxLineWidth(std::numeric_limits<float>::infinity()),
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//m_outlineThickness(0.f),
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m_defaultCharacterSize(24)
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{
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SetDefaultFont(Font::GetDefault());
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}
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RichTextDrawer::RichTextDrawer(const RichTextDrawer& drawer) :
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m_defaultColor(drawer.m_defaultColor),
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m_defaultStyle(drawer.m_defaultStyle),
|
||||
m_fontIndexes(drawer.m_fontIndexes),
|
||||
m_blocks(drawer.m_blocks),
|
||||
m_glyphUpdated(false),
|
||||
//m_outlineColor(drawer.m_outlineColor),
|
||||
//m_maxLineWidth(drawer.m_maxLineWidth),
|
||||
//m_outlineThickness(drawer.m_outlineThickness),
|
||||
m_defaultCharacterSize(drawer.m_defaultCharacterSize)
|
||||
{
|
||||
m_fonts.resize(drawer.m_fonts.size());
|
||||
for (std::size_t i = 0; i < m_fonts.size(); ++i)
|
||||
{
|
||||
m_fonts[i].font = drawer.m_fonts[i].font;
|
||||
m_fonts[i].useCount = drawer.m_fonts[i].useCount;
|
||||
}
|
||||
|
||||
SetDefaultFont(drawer.m_defaultFont);
|
||||
|
||||
ConnectFontSlots();
|
||||
}
|
||||
|
||||
RichTextDrawer::RichTextDrawer(RichTextDrawer&& drawer)
|
||||
{
|
||||
operator=(std::move(drawer));
|
||||
}
|
||||
|
||||
RichTextDrawer::~RichTextDrawer() = default;
|
||||
|
||||
auto RichTextDrawer::AppendText(const String& str) -> BlockRef
|
||||
{
|
||||
NazaraAssert(!str.IsEmpty(), "String cannot be empty");
|
||||
|
||||
std::size_t defaultFontIndex = HandleFontAddition(m_defaultFont);
|
||||
|
||||
auto HasDefaultProperties = [&](const Block& block)
|
||||
{
|
||||
return block.characterSize == m_defaultCharacterSize &&
|
||||
block.color == m_defaultColor &&
|
||||
block.fontIndex == defaultFontIndex &&
|
||||
block.style == m_defaultStyle;
|
||||
};
|
||||
|
||||
// Check if last block has the same property as default, else create a new block
|
||||
if (m_blocks.empty() || !HasDefaultProperties(m_blocks.back()))
|
||||
{
|
||||
m_blocks.emplace_back();
|
||||
Block& newBlock = m_blocks.back();
|
||||
newBlock.characterSize = m_defaultCharacterSize;
|
||||
newBlock.color = m_defaultColor;
|
||||
newBlock.fontIndex = defaultFontIndex;
|
||||
newBlock.style = m_defaultStyle;
|
||||
newBlock.text = str;
|
||||
|
||||
assert(newBlock.fontIndex < m_fonts.size());
|
||||
m_fonts[newBlock.fontIndex].useCount++;
|
||||
}
|
||||
else
|
||||
m_blocks.back().text += str;
|
||||
|
||||
InvalidateGlyphs();
|
||||
|
||||
return BlockRef(*this, m_blocks.size() - 1);
|
||||
}
|
||||
|
||||
const Recti& RichTextDrawer::GetBounds() const
|
||||
{
|
||||
if (!m_glyphUpdated)
|
||||
UpdateGlyphs();
|
||||
|
||||
return m_bounds;
|
||||
}
|
||||
|
||||
Font* RichTextDrawer::GetFont(std::size_t index) const
|
||||
{
|
||||
NazaraAssert(index < m_fonts.size(), "Font index out of range");
|
||||
|
||||
return m_fonts[index].font;
|
||||
}
|
||||
|
||||
std::size_t RichTextDrawer::GetFontCount() const
|
||||
{
|
||||
return m_fonts.size();
|
||||
}
|
||||
|
||||
const AbstractTextDrawer::Glyph& RichTextDrawer::GetGlyph(std::size_t index) const
|
||||
{
|
||||
if (!m_glyphUpdated)
|
||||
UpdateGlyphs();
|
||||
|
||||
return m_glyphs[index];
|
||||
}
|
||||
|
||||
std::size_t RichTextDrawer::GetGlyphCount() const
|
||||
{
|
||||
if (!m_glyphUpdated)
|
||||
UpdateGlyphs();
|
||||
|
||||
return m_glyphs.size();
|
||||
}
|
||||
|
||||
const AbstractTextDrawer::Line& RichTextDrawer::GetLine(std::size_t index) const
|
||||
{
|
||||
if (!m_glyphUpdated)
|
||||
UpdateGlyphs();
|
||||
|
||||
NazaraAssert(index < m_lines.size(), "Line index out of range");
|
||||
return m_lines[index];
|
||||
}
|
||||
|
||||
std::size_t RichTextDrawer::GetLineCount() const
|
||||
{
|
||||
if (!m_glyphUpdated)
|
||||
UpdateGlyphs();
|
||||
|
||||
return m_lines.size();
|
||||
}
|
||||
|
||||
void RichTextDrawer::MergeBlocks()
|
||||
{
|
||||
if (m_blocks.size() < 2)
|
||||
return;
|
||||
|
||||
auto TestBlockProperties = [](const Block& lhs, const Block& rhs)
|
||||
{
|
||||
return lhs.characterSize == rhs.characterSize &&
|
||||
lhs.color == rhs.color &&
|
||||
lhs.fontIndex == rhs.fontIndex &&
|
||||
lhs.style == rhs.style;
|
||||
};
|
||||
|
||||
auto lastBlockIt = m_blocks.begin();
|
||||
for (auto it = lastBlockIt + 1; it != m_blocks.end();)
|
||||
{
|
||||
if (TestBlockProperties(*lastBlockIt, *it))
|
||||
{
|
||||
// Append text to previous block and erase
|
||||
lastBlockIt->text += it->text;
|
||||
|
||||
ReleaseFont(it->fontIndex);
|
||||
it = m_blocks.erase(it);
|
||||
}
|
||||
else
|
||||
{
|
||||
lastBlockIt = it;
|
||||
++it;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void RichTextDrawer::RemoveBlock(std::size_t index)
|
||||
{
|
||||
NazaraAssert(index < m_blocks.size(), "Invalid block index");
|
||||
|
||||
ReleaseFont(m_blocks[index].fontIndex);
|
||||
m_blocks.erase(m_blocks.begin() + index);
|
||||
}
|
||||
|
||||
RichTextDrawer& RichTextDrawer::operator=(const RichTextDrawer& drawer)
|
||||
{
|
||||
DisconnectFontSlots();
|
||||
|
||||
m_blocks = drawer.m_blocks;
|
||||
m_defaultCharacterSize = drawer.m_defaultCharacterSize;
|
||||
m_defaultColor = drawer.m_defaultColor;
|
||||
m_defaultFont = drawer.m_defaultFont;
|
||||
m_defaultStyle = drawer.m_defaultStyle;
|
||||
m_fontIndexes = drawer.m_fontIndexes;
|
||||
|
||||
m_fonts.resize(drawer.m_fonts.size());
|
||||
for (std::size_t i = 0; i < m_fonts.size(); ++i)
|
||||
{
|
||||
m_fonts[i].font = drawer.m_fonts[i].font;
|
||||
m_fonts[i].useCount = drawer.m_fonts[i].useCount;
|
||||
}
|
||||
|
||||
ConnectFontSlots();
|
||||
InvalidateGlyphs();
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
RichTextDrawer& RichTextDrawer::operator=(RichTextDrawer&& drawer)
|
||||
{
|
||||
m_blocks = std::move(drawer.m_blocks);
|
||||
m_bounds = std::move(m_bounds);
|
||||
m_defaultCharacterSize = std::move(drawer.m_defaultCharacterSize);
|
||||
m_defaultColor = std::move(drawer.m_defaultColor);
|
||||
m_defaultFont = std::move(drawer.m_defaultFont);
|
||||
m_defaultStyle = std::move(drawer.m_defaultStyle);
|
||||
m_drawPos = std::move(m_drawPos);
|
||||
m_fontIndexes = std::move(drawer.m_fontIndexes);
|
||||
m_fonts = std::move(drawer.m_fonts);
|
||||
m_glyphs = std::move(m_glyphs);
|
||||
m_lines = std::move(m_lines);
|
||||
m_glyphUpdated = std::move(m_glyphUpdated);
|
||||
m_workingBounds = std::move(m_workingBounds);
|
||||
|
||||
drawer.DisconnectFontSlots();
|
||||
ConnectFontSlots();
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
bool RichTextDrawer::GenerateGlyph(Glyph& glyph, char32_t character, float outlineThickness, bool lineWrap, const Font* font, const Color& color, TextStyleFlags style, unsigned int characterSize, int renderOrder, int* advance) const
|
||||
{
|
||||
const Font::Glyph& fontGlyph = font->GetGlyph(characterSize, style, outlineThickness, character);
|
||||
if (fontGlyph.valid && fontGlyph.fauxOutlineThickness <= 0.f)
|
||||
{
|
||||
glyph.atlas = font->GetAtlas()->GetLayer(fontGlyph.layerIndex);
|
||||
glyph.atlasRect = fontGlyph.atlasRect;
|
||||
glyph.color = color;
|
||||
glyph.flipped = fontGlyph.flipped;
|
||||
glyph.renderOrder = renderOrder;
|
||||
|
||||
glyph.bounds.Set(fontGlyph.aabb);
|
||||
|
||||
//if (lineWrap && ShouldLineWrap(glyph, glyph.bounds.width))
|
||||
// AppendNewLine(m_lastSeparatorGlyph, m_lastSeparatorPosition);
|
||||
|
||||
glyph.bounds.x += m_drawPos.x;
|
||||
glyph.bounds.y += m_drawPos.y;
|
||||
|
||||
// Faux bold and faux outline thickness are not supported
|
||||
|
||||
// We "lean" the glyph to simulate italics style
|
||||
float italic = (fontGlyph.requireFauxItalic) ? 0.208f : 0.f;
|
||||
float italicTop = italic * glyph.bounds.y;
|
||||
float italicBottom = italic * glyph.bounds.GetMaximum().y;
|
||||
|
||||
glyph.corners[0].Set(glyph.bounds.x - italicTop - outlineThickness, glyph.bounds.y - outlineThickness);
|
||||
glyph.corners[1].Set(glyph.bounds.x + glyph.bounds.width - italicTop - outlineThickness, glyph.bounds.y - outlineThickness);
|
||||
glyph.corners[2].Set(glyph.bounds.x - italicBottom - outlineThickness, glyph.bounds.y + glyph.bounds.height - outlineThickness);
|
||||
glyph.corners[3].Set(glyph.bounds.x + glyph.bounds.width - italicBottom - outlineThickness, glyph.bounds.y + glyph.bounds.height - outlineThickness);
|
||||
|
||||
if (advance)
|
||||
*advance = fontGlyph.advance;
|
||||
|
||||
return true;
|
||||
}
|
||||
else
|
||||
return false;
|
||||
};
|
||||
|
||||
void RichTextDrawer::GenerateGlyphs(const Font* font, const Color& color, TextStyleFlags style, unsigned int characterSize, const Color& outlineColor, float outlineThickness, const String& text) const
|
||||
{
|
||||
if (text.IsEmpty())
|
||||
return;
|
||||
|
||||
///TODO: Allow iteration on Unicode characters without allocating any buffer
|
||||
std::u32string characters = text.GetUtf32String();
|
||||
if (characters.empty())
|
||||
{
|
||||
NazaraError("Invalid character set");
|
||||
return;
|
||||
}
|
||||
|
||||
char32_t previousCharacter = 0;
|
||||
|
||||
const Font::SizeInfo& sizeInfo = font->GetSizeInfo(characterSize);
|
||||
|
||||
float heightDifference = sizeInfo.lineHeight - m_lines.back().bounds.height;
|
||||
if (heightDifference > 0.f)
|
||||
{
|
||||
for (std::size_t glyphIndex = m_lines.back().glyphIndex; glyphIndex < m_glyphs.size(); ++glyphIndex)
|
||||
{
|
||||
Glyph& glyph = m_glyphs[glyphIndex];
|
||||
glyph.bounds.y += heightDifference;
|
||||
|
||||
for (auto& corner : glyph.corners)
|
||||
corner.y += heightDifference;
|
||||
}
|
||||
|
||||
m_drawPos.y += heightDifference;
|
||||
m_lines.back().bounds.height += heightDifference;
|
||||
}
|
||||
/*if (firstFont.font)
|
||||
m_lines.emplace_back(Line{ Rectf(0.f, 0.f, 0.f, float(font->GetSizeInfo(firstBlock.characterSize).lineHeight)), 0 });
|
||||
else
|
||||
m_lines.emplace_back(Line{ Rectf::Zero(), 0 });*/
|
||||
|
||||
m_glyphs.reserve(m_glyphs.size() + characters.size() * ((outlineThickness > 0.f) ? 2 : 1));
|
||||
for (char32_t character : characters)
|
||||
{
|
||||
if (previousCharacter != 0)
|
||||
m_drawPos.x += font->GetKerning(characterSize, previousCharacter, character);
|
||||
|
||||
previousCharacter = character;
|
||||
|
||||
bool whitespace = true;
|
||||
int advance = 0;
|
||||
switch (character)
|
||||
{
|
||||
case ' ':
|
||||
case '\n':
|
||||
advance = sizeInfo.spaceAdvance;
|
||||
break;
|
||||
|
||||
case '\t':
|
||||
advance = sizeInfo.spaceAdvance * 4;
|
||||
break;
|
||||
|
||||
default:
|
||||
whitespace = false;
|
||||
break;
|
||||
}
|
||||
|
||||
Glyph glyph;
|
||||
if (!whitespace)
|
||||
{
|
||||
if (!GenerateGlyph(glyph, character, 0.f, true, font, color, style, characterSize, 0, &advance))
|
||||
continue; // Glyph failed to load, just skip it (can't do much)
|
||||
|
||||
if (outlineThickness > 0.f)
|
||||
{
|
||||
Glyph outlineGlyph;
|
||||
if (GenerateGlyph(outlineGlyph, character, outlineThickness, false, font, outlineColor, style, characterSize, -1, nullptr))
|
||||
{
|
||||
m_glyphs.push_back(outlineGlyph);
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
float glyphAdvance = advance;
|
||||
|
||||
//if (ShouldLineWrap(glyph, glyphAdvance))
|
||||
// AppendNewLine(m_lastSeparatorGlyph, m_lastSeparatorPosition);
|
||||
|
||||
glyph.atlas = nullptr;
|
||||
glyph.bounds.Set(float(m_drawPos.x), m_lines.back().bounds.y, glyphAdvance, float(sizeInfo.lineHeight));
|
||||
|
||||
glyph.corners[0].Set(glyph.bounds.GetCorner(RectCorner_LeftTop));
|
||||
glyph.corners[1].Set(glyph.bounds.GetCorner(RectCorner_RightTop));
|
||||
glyph.corners[2].Set(glyph.bounds.GetCorner(RectCorner_LeftBottom));
|
||||
glyph.corners[3].Set(glyph.bounds.GetCorner(RectCorner_RightBottom));
|
||||
}
|
||||
|
||||
m_lines.back().bounds.ExtendTo(glyph.bounds);
|
||||
|
||||
switch (character)
|
||||
{
|
||||
case '\n':
|
||||
{
|
||||
AppendNewLine(font, characterSize);
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
m_drawPos.x += advance;
|
||||
break;
|
||||
}
|
||||
|
||||
/*if (whitespace)
|
||||
{
|
||||
m_lastSeparatorGlyph = m_glyphs.size();
|
||||
m_lastSeparatorPosition = m_drawPos.x;
|
||||
}*/
|
||||
|
||||
m_glyphs.push_back(glyph);
|
||||
}
|
||||
|
||||
m_workingBounds.ExtendTo(m_lines.back().bounds);
|
||||
|
||||
m_bounds.Set(Rectf(std::floor(m_workingBounds.x), std::floor(m_workingBounds.y), std::ceil(m_workingBounds.width), std::ceil(m_workingBounds.height)));
|
||||
|
||||
m_glyphUpdated = true;
|
||||
}
|
||||
|
||||
void RichTextDrawer::OnFontAtlasLayerChanged(const Font* font, AbstractImage* oldLayer, AbstractImage* newLayer)
|
||||
{
|
||||
NazaraUnused(font);
|
||||
|
||||
#ifdef NAZARA_DEBUG
|
||||
auto it = std::find_if(m_fonts.begin(), m_fonts.end(), [font](const auto& fontData) { return fontData.font == font; });
|
||||
if (it == m_fonts.end())
|
||||
{
|
||||
NazaraInternalError("Not listening to " + String::Pointer(font));
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
// Update atlas layer pointer
|
||||
// Note: This can happen while updating
|
||||
for (Glyph& glyph : m_glyphs)
|
||||
{
|
||||
if (glyph.atlas == oldLayer)
|
||||
glyph.atlas = newLayer;
|
||||
}
|
||||
}
|
||||
|
||||
void RichTextDrawer::OnFontInvalidated(const Font* font)
|
||||
{
|
||||
NazaraUnused(font);
|
||||
|
||||
#ifdef NAZARA_DEBUG
|
||||
auto it = std::find_if(m_fonts.begin(), m_fonts.end(), [font](const auto& fontData) { return fontData.font == font; });
|
||||
if (it == m_fonts.end())
|
||||
{
|
||||
NazaraInternalError("Not listening to " + String::Pointer(font));
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
m_glyphUpdated = false;
|
||||
}
|
||||
|
||||
void RichTextDrawer::OnFontRelease(const Font* font)
|
||||
{
|
||||
NazaraUnused(font);
|
||||
NazaraUnused(font);
|
||||
|
||||
#ifdef NAZARA_DEBUG
|
||||
auto it = std::find_if(m_fonts.begin(), m_fonts.end(), [font](const auto& fontData) { return fontData.font == font; });
|
||||
if (it == m_fonts.end())
|
||||
{
|
||||
NazaraInternalError("Not listening to " + String::Pointer(font));
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
//SetFont(nullptr);
|
||||
}
|
||||
|
||||
void RichTextDrawer::UpdateGlyphs() const
|
||||
{
|
||||
ClearGlyphs();
|
||||
|
||||
if (!m_blocks.empty())
|
||||
{
|
||||
const Block& firstBlock = m_blocks.front();
|
||||
|
||||
assert(firstBlock.fontIndex < m_fonts.size());
|
||||
const auto& firstFont = m_fonts[firstBlock.fontIndex];
|
||||
|
||||
if (firstFont.font)
|
||||
m_lines.emplace_back(Line{ Rectf(0.f, 0.f, 0.f, float(firstFont.font->GetSizeInfo(firstBlock.characterSize).lineHeight)), 0 });
|
||||
else
|
||||
m_lines.emplace_back(Line{ Rectf::Zero(), 0 });
|
||||
|
||||
m_drawPos.Set(0, firstBlock.characterSize);
|
||||
|
||||
for (const Block& block : m_blocks)
|
||||
{
|
||||
assert(block.fontIndex < m_fonts.size());
|
||||
const auto& fontData = m_fonts[block.fontIndex];
|
||||
|
||||
GenerateGlyphs(fontData.font, block.color, block.style, block.characterSize, block.color, 0.f, block.text);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue