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Font: Eagerly load all 256 glyphs. It's not that many.
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parent
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commit
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4 changed files with 11 additions and 28 deletions
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@ -26,20 +26,16 @@ Font::Font(const char* const* glyphs, byte glyph_width, byte glyph_height, byte
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, m_last_glyph(last_glyph)
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{
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m_error_bitmap = CharacterBitmap::create_from_ascii(DEFAULT_FONT_NAME::error_glyph, m_glyph_width, m_glyph_height);
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for (unsigned ch = 0; ch < 256; ++ch) {
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if (ch < m_first_glyph || ch > m_last_glyph) {
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m_bitmaps[ch] = m_error_bitmap.copyRef();
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continue;
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}
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const char* data = m_glyphs[(unsigned)ch - m_first_glyph];
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m_bitmaps[ch] = CharacterBitmap::create_from_ascii(data, m_glyph_width, m_glyph_height);
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}
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}
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Font::~Font()
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{
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}
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const CharacterBitmap* Font::glyph_bitmap(byte ch) const
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{
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if (!m_bitmaps[ch]) {
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if (ch < m_first_glyph || ch > m_last_glyph)
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return nullptr;
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const char* data = m_glyphs[(unsigned)ch - m_first_glyph];
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m_bitmaps[ch] = CharacterBitmap::create_from_ascii(data, m_glyph_width, m_glyph_height);
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}
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ASSERT(ch >= m_first_glyph && ch <= m_last_glyph);
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return m_bitmaps[ch].ptr();
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}
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