14e095c93a
Before this commit, certain fonts (e.g. Terminus) would appear in the selector but cause a crash (assertion failure) if they are used. After this commit, we make sure all preconditions are met before showing a font there. Also, improve error reporting to always print font filename.
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
//-----------------------------------------------------------------------------
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// Routines to read a TrueType font as vector outlines, and generate them
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// as entities, since they're always representable as either lines or
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// quadratic Bezier curves.
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//
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// Copyright 2016 whitequark, Peter Barfuss.
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//-----------------------------------------------------------------------------
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#ifndef SOLVESPACE_TTF_H
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#define SOLVESPACE_TTF_H
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class TtfFont {
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public:
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Platform::Path fontFile; // or resource path/name as res://<path>
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std::string name;
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FT_FaceRec_ *fontFace;
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double capHeight;
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void SetResourceID(const std::string &resource);
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bool IsResource() const;
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std::string FontFileBaseName() const;
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bool LoadFromFile(FT_LibraryRec_ *fontLibrary, bool keepOpen = false);
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bool LoadFromResource(FT_LibraryRec_ *fontLibrary, bool keepOpen = false);
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void PlotString(const std::string &str,
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SBezierList *sbl, Vector origin, Vector u, Vector v);
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double AspectRatio(const std::string &str);
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bool ExtractTTFData(bool keepOpen);
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};
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class TtfFontList {
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public:
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FT_LibraryRec_ *fontLibrary;
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bool loaded;
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List<TtfFont> l;
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TtfFontList();
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~TtfFontList();
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void LoadAll();
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TtfFont *LoadFont(const std::string &font);
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void PlotString(const std::string &font, const std::string &str,
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SBezierList *sbl, Vector origin, Vector u, Vector v);
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double AspectRatio(const std::string &font, const std::string &str);
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};
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#endif
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