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

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

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

(PECL haru >= 0.0.1) Get the current text rendering mode

(PECL haru >= 0.0.1) Print text at the current position of the page

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