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line-state
GPU-accelerated rendering > GPU state
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Vocabulary
gpu.state

Class description
The line-state controls how lines are rendered.
• The width slot is a float value specifying the line width in pixels.
• The antialias? slot is a boolean value specifying whether line edges should be smoothed.


See also
<line-state>, get-line-state

Definition
USING: kernel math ;

IN: gpu.state

TUPLE: line-state
{ width float read-only initial: 1.0 }
{ antialias? boolean read-only initial: f } ;


Methods
USING: accessors combinators gpu.state kernel opengl.gl ;

M: line-state set-gpu-state*
{
[ width>> glLineWidth ]
[
GL_LINE_SMOOTH swap antialias?>>
[ glEnable ] [ glDisable ] if
]
} cleave ;