Zack Buhman
3b7e1eaef8
This still needs to be cleaned up, particularly to properly pass the texture size around--there are a few unnecessary '128x256' magic numbers scattered in the code.
32 lines
1.1 KiB
C++
32 lines
1.1 KiB
C++
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uint32_t pixel_data(const uint32_t * dest, const uint8_t * glyph_bitmaps, const uint32_t size)
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{
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const uint8_t temp[size];
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const uint32_t * buf = reinterpret_cast<const uint32_t *>(&glyph_bitmaps[0]);
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copy<uint32_t>(table, buf, size);
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return table_address;
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}
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uint32_t font_data(const uint32_t * buf, state& state)
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{
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constexpr uint32_t font_offset = 0;
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constexpr uint32_t glyphs_offset = (sizeof (struct font));
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const uint32_t glyph_bitmaps_offset = (sizeof (struct font)) + (sizeof (struct glyph)) * font->glyph_index;
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auto font = reinterpret_cast<const font *>(&buf[font_offset / 4]);
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auto glyphs = reinterpret_cast<const glyph *>(&buf[glyphs_offset / 4]);
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auto glyph_bitmaps = &(reinterpret_cast<const uint8_t *>(buf))[glyph_bitmaps_offset];
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for (uint32_t glyph_ix = 0; glyph_ix < font->glyph_index; glyph_ix++) {
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auto& glyph_bitmap = glyphs[glyph_ix].bitmap;
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auto bitmap = &glyph_bitmaps[glyph_bitmap.offset];
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// bitmap.pitch may be zero; bitmap.pitch is a multiple of 8 pixels
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SIZE__X(bitmap.pitch) | SIZE__Y(bitmap.rows);
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}
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}
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