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(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.
text
The text to fit the width.
width
The width of the area to put the text to.
font_size
The size of the font.
char_space
The character spacing.
word_space
The 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。