gflDrawPolylineColor

gflDrawPolylineColor

The gflDrawPolylineColor function allows to draw a polyline on a picture.

GFL_ERROR gflDrawPolylineColor(
  GFL_BITMAP * src,  

  const GFL_POINT points[],  

  GFL_INT32 num_points,  

  GFL_UINT32 line_width,  

  const GFL_COLOR * line_color,  

  GFL_LINE_STYLE line_style,  

  GFL_BITMAP ** dst,  
);

Parameters

src

Pointer to a GFL_BITMAP structure.

points

Address of a array of GFL_POINT structure.

num_points

Number of points.

line_width

Width fo the line (1 to 13).

line_color

Pointer to a GFL_COLOR structure.

line_style

Works only with a line width of 1.

GFL_LINE_STYLE_SOLID	Solid
GFL_LINE_STYLE_DASH	Dashes
GFL_LINE_STYLE_DOT	Dots
GFL_LINE_STYLE_DASHDOT	Alternating dashes and dots
GFL_LINE_STYLE_DASHDOTDOT	Alternating dashes and double dots

dst

Address of a pointer to a GFL_BITMAP structure.
NULL if on the same instance.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

See also

gflDrawPointColor, gflDrawLineColor, gflDrawRectangleColor, gflDrawPolygonColor, gflDrawCircleColor