35 lines
903 B
C++
35 lines
903 B
C++
#pragma once
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#include <mammoth/memory_region.h>
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struct PsfHeader {
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uint32_t magic; /* magic bytes to identify PSF */
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uint32_t version; /* zero */
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uint32_t headersize; /* offset of bitmaps in file, 32 */
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uint32_t flags; /* 0 if there's no unicode table */
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uint32_t numglyph; /* number of glyphs */
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uint32_t bytesperglyph; /* size of each glyph */
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uint32_t height; /* height in pixels */
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uint32_t width; /* width in pixels */
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};
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class Psf {
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public:
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Psf(OwnedMemoryRegion&& psf_file);
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void DumpHeader();
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uint32_t size() { return header_->numglyph; }
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uint8_t* glyph(uint32_t index) {
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return reinterpret_cast<uint8_t*>(psf_file_.vaddr() + header_->headersize +
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(index * header_->bytesperglyph));
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}
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private:
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OwnedMemoryRegion psf_file_;
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PsfHeader* header_;
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void EnsureValid();
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};
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