Class FreeTypeFont

KBotExt/imgui/imgui_freetype.cpp:132–148

FreeType glyph rasterizer. NB: No ctor/dtor, explicitly call Init()/Shutdown()

	// FreeType glyph rasterizer.
	// NB: No ctor/dtor, explicitly call Init()/Shutdown()
	struct FreeTypeFont
	{
		bool                    InitFont(FT_Library ft_library, const ImFontConfig& cfg, unsigned int extra_user_flags); // Initialize from an external data buffer. Doesn't copy data, and you must ensure it stays valid up to this object lifetime.
		void                    CloseFont();
		void                    SetPixelHeight(int pixel_height); // Change font pixel size. All following calls to RasterizeGlyph() will use this size
		const FT_Glyph_Metrics* LoadGlyph(uint32_t in_codepoint);
		const FT_Bitmap* RenderGlyphAndGetInfo(GlyphInfo* out_glyph_info);
		void                    BlitGlyph(const FT_Bitmap* ft_bitmap, uint32_t* dst, uint32_t dst_pitch, unsigned char* multiply_table = NULL);
		~FreeTypeFont() { CloseFont(); }

		// [Internals]
		FontInfo        Info;               // Font descriptor of the current font.
		FT_Face         Face;
		unsigned int    UserFlags;          // = ImFontConfig::RasterizerFlags
		FT_Int32        LoadFlags;
		FT_Render_Mode  RenderMode;
	};

	// From SDL_ttf: Handy routines for converting from fixed point
#define FT_CEIL(X)  (((X + 63) & -64) / 64)