50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
#pragma once
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#include "StarString.hpp"
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#include "StarImage.hpp"
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#include "StarByteArray.hpp"
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#include "StarMap.hpp"
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namespace Star {
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STAR_EXCEPTION(FontException, StarException);
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STAR_STRUCT(FontImpl);
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STAR_CLASS(Font);
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class Font {
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public:
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static FontPtr loadFont(String const& fileName, unsigned pixelSize = 12);
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static FontPtr loadFont(ByteArrayConstPtr const& bytes, unsigned pixelSize = 12);
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Font();
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Font(Font const&) = delete;
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Font const& operator=(Font const&) = delete;
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// Create a new font from the same data
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FontPtr clone() const;
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void setPixelSize(unsigned pixelSize);
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void setAlphaThreshold(uint8_t alphaThreshold = 0);
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unsigned height() const;
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unsigned width(String::Char c);
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// May return empty image on unrenderable character (Normally, this will
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// render a box, but if there is an internal freetype error this may return
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// an empty image).
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std::pair<Image, Vec2I> render(String::Char c);
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bool exists(String::Char c);
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private:
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FontImplPtr m_fontImpl;
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ByteArrayConstPtr m_fontBuffer;
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unsigned m_pixelSize;
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uint8_t m_alphaThreshold;
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HashMap<pair<String::Char, unsigned>, unsigned> m_widthCache;
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};
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}
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