(PECL haru >= 0.0.1) Calculate the byte length of characters which can be included on one line of the specified

(PECL haru >= 0.0.1) Get the current stroking color

(PECL haru >= 0.0.1) Add new page to the document

(PECL haru >= 0.0.1) Set the image mask bool

(PECL haru >= 0.0.1) Get the current value of character spacing

(PECL haru >= 0.0.1) Enable builtin Chinese simplified fonts

(PECL haru >= 0.0.1) Get the current transformation matrix of the page

(PECL haru >= 0.0.1) Get the current dash pattern

(PECL haru >= 0.0.1) Get the current value of text rising

(PECL haru >= 0.0.1) Get the current stroking color space