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Font: Eagerly load all 256 glyphs. It's not that many.

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This commit is contained in:
Andreas Kling 2019-01-27 05:14:15 +01:00
parent 2e370fa4d5
commit c7b005c47b
4 changed files with 11 additions and 28 deletions
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20
SharedGraphics/Font.cpp
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@ -26,20 +26,16 @@ Font::Font(const char* const* glyphs, byte glyph_width, byte glyph_height, byte
, m_last_glyph(last_glyph)
{
m_error_bitmap = CharacterBitmap::create_from_ascii(DEFAULT_FONT_NAME::error_glyph, m_glyph_width, m_glyph_height);
for (unsigned ch = 0; ch < 256; ++ch) {
if (ch < m_first_glyph || ch > m_last_glyph) {
m_bitmaps[ch] = m_error_bitmap.copyRef();
continue;
}
const char* data = m_glyphs[(unsigned)ch - m_first_glyph];
m_bitmaps[ch] = CharacterBitmap::create_from_ascii(data, m_glyph_width, m_glyph_height);
}
}
Font::~Font()
{
}
const CharacterBitmap* Font::glyph_bitmap(byte ch) const
{
if (!m_bitmaps[ch]) {
if (ch < m_first_glyph || ch > m_last_glyph)
return nullptr;
const char* data = m_glyphs[(unsigned)ch - m_first_glyph];
m_bitmaps[ch] = CharacterBitmap::create_from_ascii(data, m_glyph_width, m_glyph_height);
}
ASSERT(ch >= m_first_glyph && ch <= m_last_glyph);
return m_bitmaps[ch].ptr();
}