dkforest

commit a2afb50c39a86ba3beb1fd8c1877f396d9e68d51
parent 6919280a55dfe8341ec294c69e4926f7466e7a62
Author: n0tr1v <n0tr1v@protonmail.com>
Date:   Sun, 28 May 2023 00:32:03 -0700

cleanup

Diffstat:
M
pkg/captcha/image.go
 | 
16
+++++-----------

1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/pkg/captcha/image.go b/pkg/captcha/image.go
@@ -612,17 +612,14 @@ func (m *Image) strokeCubicLine(p1, p2 Point, d float64) {
 	m.c.Stroke()
 }
 
-func (m *Image) renderPath(points []Point) {
+func (m *Image) renderPath(points Points) {
 	d := m.CubicDelta
 
 	gradColors := m.getGradientColors(len(points))
 
 	// Draw the whole line
 	m.withState(func() {
-		for i := 1; i < len(points); i++ {
-			prev := points[i-1]
-			pt := points[i]
-
+		points.Pairs(func(i int, prev, pt Point) {
 			grad := getGradient(prev, pt, gradColors, i)
 			m.c.SetStrokeStyle(grad)
 			//m.c.SetColor(color.White)
@@ -637,16 +634,13 @@ func (m *Image) renderPath(points []Point) {
 				m.c.SetLineWidth(1.5)
 				m.strokeCubicLine(prev, pt, d)
 			})
-		}
+		})
 	})
 
 	m.withState(func() {
 		m.c.SetLineWidth(1.5)
 		m.c.SetDash(10, 300)
-		for i := 1; i < len(points); i++ {
-			prev := points[i-1]
-			pt := points[i]
-
+		points.Pairs(func(i int, prev, pt Point) {
 			grad := getGradient(prev, pt, gradColors, i)
 			m.c.SetStrokeStyle(grad)
 			//m.c.SetColor(color.RGBA{255, 0, 0, 255})
@@ -670,7 +664,7 @@ func (m *Image) renderPath(points []Point) {
 					m.strokeCubicLine(pt, prev, -d)
 				})
 			}
-		}
+		})
 	})
 }