213 lines
8.2 KiB
C++
213 lines
8.2 KiB
C++
// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
|
|
// This file is part of the "Nazara Engine - Utility module"
|
|
// For conditions of distribution and use, see copyright notice in Config.hpp
|
|
|
|
#pragma once
|
|
|
|
#ifndef NAZARA_UTILITY_RICHTEXTDRAWER_HPP
|
|
#define NAZARA_UTILITY_RICHTEXTDRAWER_HPP
|
|
|
|
#include <NazaraUtils/Prerequisites.hpp>
|
|
#include <Nazara/Utility/AbstractTextDrawer.hpp>
|
|
#include <Nazara/Utility/Enums.hpp>
|
|
#include <Nazara/Utility/Font.hpp>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace Nz
|
|
{
|
|
class NAZARA_UTILITY_API RichTextDrawer : public AbstractTextDrawer
|
|
{
|
|
public:
|
|
class BlockRef;
|
|
|
|
RichTextDrawer();
|
|
RichTextDrawer(const RichTextDrawer& drawer);
|
|
RichTextDrawer(RichTextDrawer&& drawer) noexcept;
|
|
~RichTextDrawer();
|
|
|
|
BlockRef AppendText(std::string_view str, bool forceNewBlock = false);
|
|
|
|
void Clear() override;
|
|
|
|
inline std::size_t FindBlock(std::size_t glyphIndex) const;
|
|
|
|
inline unsigned int GetBlockCharacterSize(std::size_t index) const;
|
|
inline float GetBlockCharacterSpacingOffset(std::size_t index) const;
|
|
inline const Color& GetBlockColor(std::size_t index) const;
|
|
inline std::size_t GetBlockCount() const;
|
|
inline std::size_t GetBlockFirstGlyphIndex(std::size_t index) const;
|
|
inline const std::shared_ptr<Font>& GetBlockFont(std::size_t index) const;
|
|
inline float GetBlockLineSpacingOffset(std::size_t index) const;
|
|
inline const Color& GetBlockOutlineColor(std::size_t index) const;
|
|
inline float GetBlockOutlineThickness(std::size_t index) const;
|
|
inline TextStyleFlags GetBlockStyle(std::size_t index) const;
|
|
inline const std::string& GetBlockText(std::size_t index) const;
|
|
|
|
inline BlockRef GetBlock(std::size_t index);
|
|
const Rectf& GetBounds() const override;
|
|
inline unsigned int GetCharacterSize() const;
|
|
inline float GetCharacterSpacingOffset() const;
|
|
inline float GetLineSpacingOffset() const;
|
|
const std::shared_ptr<Font>& GetFont(std::size_t index) const override;
|
|
std::size_t GetFontCount() const override;
|
|
const Glyph& GetGlyph(std::size_t index) const override;
|
|
std::size_t GetGlyphCount() const override;
|
|
const Line& GetLine(std::size_t index) const override;
|
|
std::size_t GetLineCount() const override;
|
|
float GetMaxLineWidth() const override;
|
|
|
|
inline const Color& GetTextColor() const;
|
|
inline const std::shared_ptr<Font>& GetTextFont() const;
|
|
inline const Color& GetTextOutlineColor() const;
|
|
inline float GetTextOutlineThickness() const;
|
|
inline TextStyleFlags GetTextStyle() const;
|
|
|
|
inline bool HasBlocks() const;
|
|
|
|
void MergeBlocks();
|
|
|
|
void RemoveBlock(std::size_t index);
|
|
|
|
inline void SetBlockCharacterSize(std::size_t index, unsigned int characterSize);
|
|
inline void SetBlockCharacterSpacingOffset(std::size_t index, float offset);
|
|
inline void SetBlockColor(std::size_t index, const Color& color);
|
|
inline void SetBlockFont(std::size_t index, std::shared_ptr<Font> font);
|
|
inline void SetBlockLineSpacingOffset(std::size_t index, float offset);
|
|
inline void SetBlockOutlineColor(std::size_t index, const Color& color);
|
|
inline void SetBlockOutlineThickness(std::size_t index, float thickness);
|
|
inline void SetBlockStyle(std::size_t index, TextStyleFlags style);
|
|
inline void SetBlockText(std::size_t index, std::string str);
|
|
|
|
inline void SetCharacterSize(unsigned int characterSize);
|
|
inline void SetCharacterSpacingOffset(float offset);
|
|
inline void SetLineSpacingOffset(float offset);
|
|
inline void SetTextColor(const Color& color);
|
|
inline void SetTextFont(const std::shared_ptr<Font>& font);
|
|
inline void SetTextOutlineColor(const Color& color);
|
|
inline void SetTextOutlineThickness(float thickness);
|
|
inline void SetTextStyle(TextStyleFlags style);
|
|
|
|
void SetMaxLineWidth(float lineWidth) override;
|
|
|
|
RichTextDrawer& operator=(const RichTextDrawer& drawer);
|
|
RichTextDrawer& operator=(RichTextDrawer&& drawer) noexcept;
|
|
|
|
static constexpr std::size_t InvalidBlockIndex = std::numeric_limits<std::size_t>::max();
|
|
|
|
private:
|
|
struct Block;
|
|
|
|
inline void AppendNewLine(const Font& font, unsigned int characterSize, float lineSpacingOffset) const;
|
|
void AppendNewLine(const Font& font, unsigned int characterSize, float lineSpacingOffset, std::size_t glyphIndex, float glyphPosition) const;
|
|
inline void ClearGlyphs() const;
|
|
inline void ConnectFontSlots();
|
|
inline void DisconnectFontSlots();
|
|
bool GenerateGlyph(Glyph& glyph, char32_t character, float outlineThickness, bool lineWrap, const Font& font, const Color& color, TextStyleFlags style, float lineSpacingOffset, unsigned int characterSize, int renderOrder, int* advance) const;
|
|
void GenerateGlyphs(const Font& font, const Color& color, TextStyleFlags style, unsigned int characterSize, const Color& outlineColor, float characterSpacingOffset, float lineSpacingOffset, float outlineThickness, std::string_view text) const;
|
|
inline float GetLineHeight(const Block& block) const;
|
|
inline float GetLineHeight(float lineSpacingOffset, const Font::SizeInfo& sizeInfo) const;
|
|
inline std::size_t HandleFontAddition(const std::shared_ptr<Font>& font);
|
|
inline void InvalidateGlyphs();
|
|
inline void ReleaseFont(std::size_t fontIndex);
|
|
inline bool ShouldLineWrap(float size) const;
|
|
|
|
void OnFontAtlasLayerChanged(const Font* font, AbstractImage* oldLayer, AbstractImage* newLayer);
|
|
void OnFontInvalidated(const Font* font);
|
|
void OnFontRelease(const Font* object);
|
|
|
|
void UpdateGlyphs() const;
|
|
|
|
static constexpr std::size_t InvalidGlyph = std::numeric_limits<std::size_t>::max();
|
|
|
|
struct Block
|
|
{
|
|
std::size_t fontIndex;
|
|
std::size_t glyphIndex;
|
|
std::string text;
|
|
Color color;
|
|
Color outlineColor;
|
|
TextStyleFlags style;
|
|
float characterSpacingOffset;
|
|
float lineSpacingOffset;
|
|
float outlineThickness;
|
|
unsigned int characterSize;
|
|
};
|
|
|
|
struct FontData
|
|
{
|
|
std::shared_ptr<Font> font;
|
|
std::size_t useCount = 0;
|
|
|
|
NazaraSlot(Font, OnFontAtlasChanged, atlasChangedSlot);
|
|
NazaraSlot(Font, OnFontAtlasLayerChanged, atlasLayerChangedSlot);
|
|
NazaraSlot(Font, OnFontGlyphCacheCleared, glyphCacheClearedSlot);
|
|
NazaraSlot(Font, OnFontRelease, fontReleaseSlot);
|
|
};
|
|
|
|
Color m_currentColor;
|
|
Color m_currentOutlineColor;
|
|
TextStyleFlags m_currentStyle;
|
|
std::shared_ptr<Font> m_currentFont;
|
|
mutable std::size_t m_lastSeparatorGlyph;
|
|
std::unordered_map<std::shared_ptr<Font>, std::size_t> m_fontIndexes;
|
|
std::vector<Block> m_blocks;
|
|
std::vector<FontData> m_fonts;
|
|
mutable std::vector<Glyph> m_glyphs;
|
|
mutable std::vector<Line> m_lines;
|
|
mutable Rectf m_bounds;
|
|
mutable Vector2f m_drawPos;
|
|
mutable bool m_glyphUpdated;
|
|
float m_currentCharacterSpacingOffset;
|
|
float m_currentLineSpacingOffset;
|
|
float m_currentOutlineThickness;
|
|
float m_maxLineWidth;
|
|
unsigned int m_currentCharacterSize;
|
|
mutable float m_lastSeparatorPosition;
|
|
};
|
|
|
|
class RichTextDrawer::BlockRef
|
|
{
|
|
friend RichTextDrawer;
|
|
|
|
public:
|
|
BlockRef(const BlockRef&) = default;
|
|
BlockRef(BlockRef&&) = delete;
|
|
~BlockRef() = default;
|
|
|
|
inline float GetCharacterSpacingOffset() const;
|
|
inline unsigned int GetCharacterSize() const;
|
|
inline Color GetColor() const;
|
|
inline std::size_t GetFirstGlyphIndex() const;
|
|
inline const std::shared_ptr<Font>& GetFont() const;
|
|
inline float GetLineSpacingOffset() const;
|
|
inline Color GetOutlineColor() const;
|
|
inline float GetOutlineThickness() const;
|
|
inline TextStyleFlags GetStyle() const;
|
|
inline const std::string& GetText() const;
|
|
|
|
inline void SetCharacterSpacingOffset(float offset);
|
|
inline void SetCharacterSize(unsigned int size);
|
|
inline void SetColor(Color color);
|
|
inline void SetFont(std::shared_ptr<Font> font);
|
|
inline void SetLineSpacingOffset(float offset);
|
|
inline void SetOutlineColor(Color color);
|
|
inline void SetOutlineThickness(float thickness);
|
|
inline void SetStyle(TextStyleFlags style);
|
|
inline void SetText(std::string text);
|
|
|
|
BlockRef& operator=(const BlockRef&) = delete;
|
|
BlockRef& operator=(BlockRef&&) = delete;
|
|
|
|
private:
|
|
inline BlockRef(RichTextDrawer& drawer, std::size_t index);
|
|
|
|
std::size_t m_blockIndex;
|
|
RichTextDrawer& m_drawer;
|
|
};
|
|
}
|
|
|
|
#include <Nazara/Utility/RichTextDrawer.inl>
|
|
|
|
#endif // NAZARA_UTILITY_RICHTEXTDRAWER_HPP
|