(PECL haru >= 0.0.1) Append a rectangle to the current path
(PECL haru >= 0.0.1) Set width of the page
(PECL haru >= 0.0.1) Set text rendering mode for the page
(PECL haru >= 0.0.1) Get the current graphics mode
(PECL haru >= 0.0.1) Set filling color for the page
(PECL haru >= 0.0.1) Get the currently used font
(PECL haru >= 0.0.1) Paint current path bool
(PECL haru >= 0.0.1) Get the current font size
(PECL haru >= 0.0.1) Get the current filling color space
(PECL haru >= 0.0.1) Get the current filling color
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