QImage PyramidThumbnailGenerator::generate( const QString &filename ) const
{
QImage image = DynamicTexture( filename ).getRootImage();
if( !image.isNull( ))
{
image = image.scaled( size_, aspectRatioMode_ );
addMetadataToImage( image, filename );
return image;
}
else
{
put_flog( LOG_ERROR, "could not open pyramid file: '%s'",
filename.toLatin1().constData( ));
return createErrorImage( "pyramid" );
}
}
bool FontData::render(const String& codePoints)
{
if (!m_faceText)
{
return false;
}
bool hasDirty = false;
for (const auto& codePoint : codePoints)
{
if (m_glyphIndexTable.find(codePoint) != m_glyphIndexTable.end())
{
continue;
}
const FT_UInt glyphIndexText = ::FT_Get_Char_Index(m_faceText.face, codePoint);
const FT_UInt glyphIndexEmoji = (glyphIndexText != 0) ? 0 : m_faceEmoji ? ::FT_Get_Char_Index(m_faceEmoji.face, codePoint) : 0;
if (glyphIndexText == 0 && glyphIndexEmoji == 0)
{
if (!m_tofuIndex)
{
if (!renderGlyph(m_faceText.face, 0))
{
continue;
}
hasDirty = true;
m_tofuIndex = static_cast<CommonGlyphIndex>(m_glyphs.size() - 1);
}
m_glyphIndexTable.emplace(codePoint, m_tofuIndex.value());
}
else
{
const FT_Face face = (glyphIndexText != 0) ? m_faceText.face : m_faceEmoji.face;
const FT_UInt glyphIndex = (glyphIndexText != 0) ? glyphIndexText : glyphIndexEmoji;
renderGlyph(face, glyphIndex);
hasDirty = true;
m_glyphIndexTable.emplace(codePoint, static_cast<uint32>(m_glyphs.size() - 1));
}
}
if (hasDirty)
{
if (m_image.size() == m_texture.size())
{
m_texture.fill(m_image);
}
else
{
const bool hasTexture = !!m_texture;
const Size previousSize = m_texture.size();
const Size newSize = m_image.size();
m_texture = DynamicTexture(m_image);
if (hasTexture)
{
LOG_DEBUG(U"ℹ️ Font texture resized ({0}x{1} -> {2}x{3})"_fmt(previousSize.x, previousSize.y, newSize.x, newSize.y));
}
else
{
LOG_DEBUG(U"ℹ️ Created font texture (size: {0}x{1})"_fmt(newSize.x, newSize.y));
}
}
}
return true;
}
