contextlineWidth

ContextlineWidth is a term used in graphics programming to describe the width of stroked lines as defined by a drawing context. It represents the thickness applied when rendering the outline of a path, shape, or line segment. The exact meaning and naming can vary between frameworks, but contextlineWidth generally refers to a property or variable that governs line thickness.

In practice, contextlineWidth is typically expressed in the units used by the rendering system, such as pixels or points. It can be a direct property of the drawing context or part of a style object that is applied before stroking operations. Some systems may allow contextlineWidth to be overridden by transformations or device-specific settings, leading to different visual results depending on the current scale or DPI.

Behavior and considerations vary by implementation. In many environments, the line width interacts with the current transformation matrix, so scaling the coordinate system may cause the visible width to change. Additionally, line caps, joins, and anti-aliasing can affect the perceived thickness of a stroke, even if contextlineWidth remains constant. Some frameworks offer separate controls for stroke width in world space versus device space to address these effects.

Examples of usage are typically straightforward: set contextlineWidth to a numeric value before performing stroke operations, then issue line drawing commands. As naming conventions differ, developers may encounter similar properties named lineWidth, strokeWidth, or w depending on the API.

See also: Canvas 2D context lineWidth, SVG stroke-width, PDF graphics state, stroke.