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

(PECL haru >= 0.0.1) Get the name of the font

(PECL haru >= 0.0.1) Set flatness for the page

(PECL haru >= 0.0.1) Enable builtin Japanese fonts

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

(PECL haru >= 0.0.1) Fill current path using even-odd rule

(PECL haru >= 0.0.1) Print the text on the specified position

(PECL haru >= 0.0.1) Get the vertical descent of the font

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

(PECL haru >= 0.0.1) Set the icon style of the annotation