Window.createSimilarImageSurface

Create a new image surface that is efficient to draw on the given @window.

Initially the surface contents are all 0 (transparent if contents have transparency, black otherwise.)

class Window

createSimilarImageSurface

(

)

Parameters

format cairo_format_t: the format for the new surface
width int: width of the new surface
height int: height of the new surface
scale int: the scale of the new surface, or 0 to use same as @window
Return: a pointer to the newly allocated surface. The caller owns the surface and should call cairo_surface_destroy() when done with it.
This function always returns a valid pointer, but it will return a pointer to a “nil” surface if @other is already in an error state or any other error occurs.