// Copyright 2010 The draw2d Authors. All rights reserved. // created: 21/11/2010 by Laurent Le Goff, Stani Michiels // Package line draws vertically spaced lines. package line import ( "image/color" "git.fromouter.space/crunchy-rocks/draw2d" "git.fromouter.space/crunchy-rocks/draw2d/draw2dkit" "git.fromouter.space/crunchy-rocks/draw2d/samples" ) // Main draws vertically spaced lines and returns the filename. // This should only be used during testing. func Main(gc draw2d.GraphicContext, ext string) (string, error) { gc.SetFillRule(draw2d.FillRuleWinding) gc.Clear() // Draw the line for x := 5.0; x < 297; x += 10 { Draw(gc, x, 0, x, 210) } gc.ClearRect(100, 75, 197, 135) draw2dkit.Ellipse(gc, 148.5, 105, 35, 25) gc.SetFillColor(color.RGBA{0xff, 0xff, 0x44, 0xff}) gc.FillStroke() // Return the output filename return samples.Output("line", ext), nil } // Draw vertically spaced lines func Draw(gc draw2d.GraphicContext, x0, y0, x1, y1 float64) { // Draw a line gc.MoveTo(x0, y0) gc.LineTo(x1, y1) gc.Stroke() }