(PECL haru >= 0.0.1) Get size of the image

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

(PECL haru >= 0.0.1) Set the appearance of the page to fit the window width

(PECL haru >= 0.0.1) Set the appearance of the page to fit the bounding box of the page within the window

(PECL haru >= 0.0.1) Convert the specified character to unicode

(PECL haru >= 0.0.1) Set text leading (line spacing) for the page

(PECL haru >= 0.0.1) Get the writing mode of the encoder

(PECL haru >= 0.0.1) Set height of the page

(PECL haru >= 0.0.1) Load Type1 font string

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