float Font::getAscent() const
{
if (font->ascent == 0)
font->ascent = getTypeface()->getAscent();
return font->height * font->ascent;
}
void Font::getGlyphPositions (const String& text, Array<int>& glyphs, Array<float>& xOffsets) const
{
// This call isn't thread-safe when there's a message thread running
jassert (MessageManager::getInstanceWithoutCreating() == nullptr
|| MessageManager::getInstanceWithoutCreating()->currentThreadHasLockedMessageManager());
getTypeface()->getGlyphPositions (text, glyphs, xOffsets);
if (auto num = xOffsets.size())
{
auto scale = font->height * font->horizontalScale;
auto* x = xOffsets.getRawDataPointer();
if (font->kerning != 0.0f)
{
for (int i = 0; i < num; ++i)
x[i] = (x[i] + i * font->kerning) * scale;
}
else
{
for (int i = 0; i < num; ++i)
x[i] *= scale;
}
}
}
float Font::getStringWidthFloat (const String& text) const
{
float w = getTypeface()->getStringWidth (text);
if (font->kerning != 0)
w += font->kerning * text.length();
return w * font->height * font->horizontalScale;
}
float Font::getStringWidthFloat (const String& text) const
{
// This call isn't thread-safe when there's a message thread running
jassert (MessageManager::getInstanceWithoutCreating() == nullptr
|| MessageManager::getInstanceWithoutCreating()->currentThreadHasLockedMessageManager());
auto w = getTypeface()->getStringWidth (text);
if (font->kerning != 0.0f)
w += font->kerning * text.length();
return w * font->height * font->horizontalScale;
}
void Font::getGlyphPositions (const String& text, Array <int>& glyphs, Array <float>& xOffsets) const
{
getTypeface()->getGlyphPositions (text, glyphs, xOffsets);
const int num = xOffsets.size();
if (num > 0)
{
const float scale = font->height * font->horizontalScale;
float* const x = xOffsets.getRawDataPointer();
if (font->kerning != 0)
{
for (int i = 0; i < num; ++i)
x[i] = (x[i] + i * font->kerning) * scale;
}
else
{
for (int i = 0; i < num; ++i)
x[i] *= scale;
}
}
}
StringArray Font::getAvailableStyles() const
{
return findAllTypefaceStyles (getTypeface()->getName());
}
float Font::getHeightToPointsFactor() const
{
return getTypeface()->getHeightToPointsFactor();
}
