mirror of https://github.com/AxioDL/metaforce.git
111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
#ifndef SPECTER_TEXTVIEW_HPP
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#define SPECTER_TEXTVIEW_HPP
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#include "View.hpp"
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#include <boo/graphicsdev/GL.hpp>
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#include <boo/graphicsdev/D3D.hpp>
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#include <boo/graphicsdev/Metal.hpp>
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#include "FontCache.hpp"
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namespace Specter
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{
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class ViewResources;
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class TextView : public View
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{
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public:
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enum class Alignment
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{
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Left,
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Center,
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Right
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};
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private:
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size_t m_capacity;
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boo::IGraphicsBufferD* m_glyphBuf;
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boo::IVertexFormat* m_vtxFmt = nullptr; /* OpenGL only */
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boo::IShaderDataBinding* m_shaderBinding;
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const FontAtlas& m_fontAtlas;
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Alignment m_align;
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bool m_valid = false;
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int m_width = 0;
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friend class MultiLineTextView;
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static int DoKern(FT_Pos val, const FontAtlas& atlas);
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public:
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class Resources
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{
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friend class ViewResources;
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friend class TextView;
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friend class MultiLineTextView;
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FontCache* m_fcache = nullptr;
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boo::IShaderPipeline* m_regular = nullptr;
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boo::IShaderPipeline* m_subpixel = nullptr;
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boo::IVertexFormat* m_vtxFmt = nullptr; /* Not OpenGL */
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void init(boo::GLDataFactory* factory, FontCache* fcache);
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#if _WIN32
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void init(boo::ID3DDataFactory* factory, FontCache* fcache);
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#elif BOO_HAS_METAL
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void init(boo::MetalDataFactory* factory, FontCache* fcache);
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#endif
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};
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TextView(ViewResources& res, View& parentView, const FontAtlas& font, Alignment align=Alignment::Left, size_t capacity=256);
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TextView(ViewResources& res, View& parentView, FontTag font, Alignment align=Alignment::Left, size_t capacity=256);
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struct RenderGlyph
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{
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Zeus::CVector3f m_pos[4];
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Zeus::CMatrix4f m_mv;
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Zeus::CVector3f m_uv[4];
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Zeus::CColor m_color;
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RenderGlyph(int& adv, const FontAtlas::Glyph& glyph, const Zeus::CColor& defaultColor);
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};
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struct RenderGlyphInfo
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{
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uint32_t m_char;
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std::pair<int,int> m_dims;
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int m_adv;
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bool m_space = false;
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RenderGlyphInfo(uint32_t ch, int width, int height, int adv)
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: m_char(ch), m_dims(width, height), m_adv(adv), m_space(iswspace(ch)) {}
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};
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std::vector<RenderGlyph>& accessGlyphs() {return m_glyphs;}
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const std::vector<RenderGlyph>& accessGlyphs() const {return m_glyphs;}
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void updateGlyphs() {m_valid = false;}
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void typesetGlyphs(const std::string& str,
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const Zeus::CColor& defaultColor=Zeus::CColor::skWhite);
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void typesetGlyphs(const std::wstring& str,
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const Zeus::CColor& defaultColor=Zeus::CColor::skWhite);
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void colorGlyphs(const Zeus::CColor& newColor);
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void colorGlyphsTypeOn(const Zeus::CColor& newColor, float startInterval=0.2, float fadeTime=0.5);
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void think();
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void resized(const boo::SWindowRect &rootView, const boo::SWindowRect& sub);
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void draw(boo::IGraphicsCommandQueue* gfxQ);
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int nominalWidth() const {return m_width;}
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int nominalHeight() const {return m_fontAtlas.FT_LineHeight() >> 6;}
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std::pair<int,int> queryGlyphDimensions(size_t pos) const;
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size_t reverseSelectGlyph(int x) const;
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int queryReverseAdvance(size_t idx) const;
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std::pair<size_t,size_t> queryWholeWordRange(size_t idx) const;
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private:
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std::vector<RenderGlyph> m_glyphs;
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std::vector<RenderGlyphInfo> m_glyphInfo;
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};
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}
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#endif // SPECTER_TEXTVIEW_HPP
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