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  • CairoContext::deviceToUser()

    (PECL cairo >= 0.1.0)

    Transform a coordinate

    说明

    面向对象风格(method):

    publicCairoContext::deviceToUser(float $x,float $y): array

    过程化风格:

    cairo_device_to_user(CairoContext$context,float $x,float $y): array

    Transform a coordinate from device space to user space by multiplying the given point by the inverse of the current transformation matrix(CTM).

    参数

    $context

    A valid CairoContext object created with CairoContext::__construct() or cairo_create()

    $x

    x value of the coordinate

    $y

    y value of the coordinate

    返回值

    An array containing the x and y coordinates in the user-space

    参见

    • CairoContext::deviceToUserDistance() Transform a distance