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Diffstat (limited to 'vendor/github.com/llgcode/draw2d/samples/line/line.go')
-rw-r--r--vendor/github.com/llgcode/draw2d/samples/line/line.go39
1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/github.com/llgcode/draw2d/samples/line/line.go b/vendor/github.com/llgcode/draw2d/samples/line/line.go
new file mode 100644
index 0000000..f106cc4
--- /dev/null
+++ b/vendor/github.com/llgcode/draw2d/samples/line/line.go
@@ -0,0 +1,39 @@
+// 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"
+
+ "github.com/llgcode/draw2d"
+ "github.com/llgcode/draw2d/draw2dkit"
+ "github.com/llgcode/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()
+}