Method

PangoGlyphStringindex_to_x

Declaration [src]

void
pango_glyph_string_index_to_x (
  PangoGlyphString* glyphs,
  const char* text,
  int length,
  PangoAnalysis* analysis,
  int index_,
  gboolean trailing,
  int* x_pos
)

Description [src]

Converts from character position to x position.

The X position is measured from the left edge of the run. Character positions are obtained using font metrics for ligatures where available, and computed by dividing up each cluster into equal portions, otherwise.

Glyph positions

Parameters

text

Type: const char*

The text for the run.

The data is owned by the caller of the function.

The value is a NUL terminated UTF-8 string.

length

Type: int

The number of bytes (not characters) in text.

analysis

Type: PangoAnalysis

The analysis information return from pango_itemize()

The data is owned by the caller of the function.

index_

Type: int

The byte index within text.

trailing

Type: gboolean

Whether we should compute the result for the beginning (FALSE) or end (TRUE) of the character.

x_pos

Type: int*

Location to store result.

The argument will be set by the function.