(PECL haru >= 0.0.1) Set how pages should be displayed

(PECL haru >= 0.0.1) Move text position to the start of the next line

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

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

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

(PECL haru >= 0.0.1) Append a Bezier curve to the current path

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

(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 value of word spacing

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