Ink effects

A method for applying graphical effects to an inking input in a graphical user interface, comprising:

• receiving inking input to build a stroke;
• building a geometry for the stroke;
• receiving a spectral line, comprising a plurality of colors in a series as a graphical effect to apply to the inking input;
• receiving an anchor in the spectral line that specifies one color of the plurality of colors as a start color;
• applying a mesh to the geometry wherein the mesh applies the plurality of colors to the geometry according to the series starting with the start color;
• and
• rendering the geometry with the mesh in the graphical user interface.

A system for applying graphical effects to inking input in a graphical user interface, comprising:

• a wet stroke processor, operable to receive pointer inputs comprising location data in the graphical user interface in which the pointer inputs were made to group the pointer inputs into strokes;
• a plurality of ink effect definitions, operable to provide the graphical effects to apply to the inking input;
• and
• a wet stroke renderer operable to:
• receive a wet stroke from the wet stroke processor to produce a geometry for the wet stroke, wherein the wet stroke is an in-progress stroke,
• associate at least one ink effect definition from the plurality of ink effect definitions for rendering with the geometry, and
• transmit the geometry to an operating system graphics application program interface for rendering in the graphical user interface.