(PECL haru >= 0.0.1)
HaruFont::measureText — Calculate the number of characters which can be included within the specified width
$text
, float $width
, float $font_size
, float $char_space
, float $word_space
[, bool $word_wrap = false
] )Calculate the number of characters which can be included within the specified width.
textThe text to fit the width.
widthThe width of the area to put the text to.
font_sizeThe size of the font.
char_spaceThe character spacing.
word_spaceThe word spacing.
word_wrap
When this parameter is set to TRUE the function "emulates" word
wrapping and doesn't include the part of the current word if reached
the end of the area.
Returns the number of characters which can be included within the specified width.
发生错误时抛出 HaruException 异常。