71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include "Drawable.hpp"
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#include "Texture.hpp"
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#include "VertexBuffer.hpp"
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#include "Image/Image.hpp"
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#include "Text/FontAtlas.hpp"
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namespace OpenVulkano::Scene
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{
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class FontAtlas;
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class IFontAtlasGenerator;
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struct TextConfig
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{
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Math::Vector4uc textColor = { 255, 255, 255, 255 };
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Math::Vector4uc backgroundColor = { 0, 255, 0, 0 };
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bool minimalSpacingBetweenMultipleLines = true;
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};
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struct TextGlyphVertex
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{
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std::array<Math::Vector2f, 4> position;
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std::array<Math::Vector2f, 4> uv;
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Math::Vector4uc color = { 255, 255, 255, 255 };
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Math::Vector4uc background = {};
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};
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class TextDrawable : public Drawable
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{
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VertexBuffer m_vertexBuffer;
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std::shared_ptr<FontAtlas> m_atlasData;
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Math::AABB2f m_bbox;
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std::string m_text;
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size_t m_symbolCount = 0;
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TextConfig m_cfg;
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uint32_t GetFallbackGlyph() const;
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float GetHeightBetweenLines(const std::string& text) const;
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bool IsSpecialCharacter(uint32_t c) const;
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public:
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TextDrawable(const TextConfig& config = TextConfig());
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TextDrawable(const std::string& atlasMetadataFile, const TextConfig& config = TextConfig());
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TextDrawable(const Array<char>& atlasMetadata, const TextConfig& config = TextConfig());
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TextDrawable(const std::shared_ptr<FontAtlas>& atlasData, const TextConfig& config = TextConfig());
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void GenerateText(const std::string& text, const Math::Vector2f& pos = Math::Vector2f(0.f), float scale = 1.0f);
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void SetConfig(const TextConfig& cfg) { m_cfg = cfg; }
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void SetAtlasData(const std::shared_ptr<FontAtlas>& atlasData);
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[[nodiscard]] Math::AABB2f& GetBoundingBox() { return m_bbox; }
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[[nodiscard]] TextConfig& GetConfig() { return m_cfg; }
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[[nodiscard]] const std::string& GetText() const { return m_text; }
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[[nodiscard]] const std::shared_ptr<FontAtlas>& GetAtlasData() { return m_atlasData; }
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[[nodiscard]] VertexBuffer* GetVertexBuffer() { return &m_vertexBuffer; }
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[[nodiscard]] Texture* GetTexture() { return m_atlasData->GetTexture(); }
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[[nodiscard]] size_t GetSymbolCount() const { return m_symbolCount; }
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[[nodiscard]] static Shader MakeDefaultShader(FontAtlasType type);
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[[nodiscard]] static Shader* GetDefaultShader(FontAtlasType type);
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};
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}
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