Zack Buhman
8f0afc2868
This fully threads both the real minimum size of the texture and the dimensions of the texture through to the TA parameters. This also removes spurious zero-area drawing commands (space characters).
41 lines
937 B
C++
41 lines
937 B
C++
// this file is designed to be platform-agnostic
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#pragma once
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#include <cstdint>
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// metrics are 26.6 fixed point
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struct glyph_metrics {
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int32_t horiBearingX;
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int32_t horiBearingY;
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int32_t horiAdvance;
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} __attribute__ ((packed));
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static_assert((sizeof (glyph_metrics)) == ((sizeof (int32_t)) * 3));
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struct glyph_bitmap {
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uint16_t x;
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uint16_t y;
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uint16_t width;
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uint16_t height;
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} __attribute__ ((packed));
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static_assert((sizeof (glyph_bitmap)) == ((sizeof (uint16_t)) * 4));
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struct glyph {
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glyph_bitmap bitmap;
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glyph_metrics metrics;
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} __attribute__ ((packed));
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static_assert((sizeof (glyph)) == ((sizeof (glyph_bitmap)) + (sizeof (glyph_metrics))));
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struct font {
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uint32_t first_char_code;
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uint16_t glyph_count;
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uint16_t glyph_height;
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uint16_t texture_width;
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uint16_t texture_height;
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uint32_t max_z_curve_ix;
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} __attribute__ ((packed));
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static_assert((sizeof (font)) == ((sizeof (uint32_t)) * 4));
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