A Pango::FontMetrics holds the overall metric information for a font (possibly restricted to a script).
Constructor & Destructor Documentation
Pango::FontMetrics::FontMetrics
(
)
Pango::FontMetrics::FontMetrics
(
PangoFontMetrics*
gobject,
bool
make_a_copy = true
)
[explicit]
Pango::FontMetrics::FontMetrics
(
const FontMetrics&
other
)
Pango::FontMetrics::~FontMetrics
(
)
Member Function Documentation
int Pango::FontMetrics::get_approximate_char_width
(
)
const
Gets the approximate character width for a font metrics structure.
This is merely a representative value useful, for example, for determining the initial size for a window. Actual characters in text will be wider and narrower than this.
Returns:
The character width, in pango units. (1 point == Pango::SCALE pango units.).
int Pango::FontMetrics::get_approximate_digit_width
(
)
const
Gets the approximate digit width for a font metrics structure.
This is merely a representative value useful, for example, for determining the initial size for a window. Actual digits in text can be wider and narrower than this, though this value is generally somewhat more accurate than the result of pango_font_metrics_get_approximate_digit_width().
Returns:
The digit width, in pango units. (1 point == Pango::SCALE pango units.).
int Pango::FontMetrics::get_ascent
(
)
const
Gets the ascent from a font metrics structure.
The ascent is the distance from the baseline to the logical top of a line of text. (The logical top may be above or below the top of the actual drawn ink. It is necessary to lay out the text to figure where the ink will be.)
Returns:
The ascent, in pango units. (1 point == Pango::SCALE pango units.).
int Pango::FontMetrics::get_descent
(
)
const
Gets the descent from a font metrics structure.
The descent is the distance from the baseline to the logical bottom of a line of text. (The logical bottom may be above or below the bottom of the actual drawn ink. It is necessary to lay out the text to figure where the ink will be.)
Returns:
The descent, in pango units. (1 point == Pango::SCALE pango units.).
