dkforest

commit 3fdd4b2ce5003897a29825c4fcb5779b8a55f042
parent 83c8e708cca2c41fd6a83d0cc370861ff17155c8
Author: n0tr1v <n0tr1v@protonmail.com>
Date:   Sat, 27 May 2023 22:39:28 -0700

cleanup

Diffstat:
M
pkg/captcha/image.go
 | 
51
++++++++++++++++-----------------------------------

1 file changed, 16 insertions(+), 35 deletions(-)
diff --git a/pkg/captcha/image.go b/pkg/captcha/image.go
@@ -579,6 +579,17 @@ func (m *Image) renderUselessLines() {
 	})
 }
 
+func getGradient(p1, p2 Point, gradColors []color.RGBA, i int) gg.Gradient {
+	startColor := gradColors[(i*2)-2]
+	midColor := gradColors[(i*2)-1]
+	lastColor := gradColors[i*2]
+	grad := gg.NewLinearGradient(p1.GetX(), p1.GetY(), p2.GetX(), p2.GetY())
+	grad.AddColorStop(0, startColor)
+	grad.AddColorStop(0.5, midColor)
+	grad.AddColorStop(1, lastColor)
+	return grad
+}
+
 func (m *Image) renderPath(points []Point) {
 	d := m.CubicDelta
 
@@ -595,13 +606,7 @@ func (m *Image) renderPath(points []Point) {
 				prev := points[i-1]
 				pt := points[i]
 
-				startColor := gradColors[(i*2)-2]
-				midColor := gradColors[(i*2)-1]
-				lastColor := gradColors[i*2]
-				grad := gg.NewLinearGradient(prev.GetX(), prev.GetY(), pt.GetX(), pt.GetY())
-				grad.AddColorStop(0, startColor)
-				grad.AddColorStop(0.5, midColor)
-				grad.AddColorStop(1, lastColor)
+				grad := getGradient(prev, pt, gradColors, i)
 				m.c.SetStrokeStyle(grad)
 				//m.c.SetColor(color.White)
 
@@ -629,13 +634,7 @@ func (m *Image) renderPath(points []Point) {
 				prev := points[i-1]
 				pt := points[i]
 
-				startColor := gradColors[(i*2)-2]
-				midColor := gradColors[(i*2)-1]
-				lastColor := gradColors[i*2]
-				grad := gg.NewLinearGradient(prev.GetX(), prev.GetY(), pt.GetX(), pt.GetY())
-				grad.AddColorStop(0, startColor)
-				grad.AddColorStop(0.5, midColor)
-				grad.AddColorStop(1, lastColor)
+				grad := getGradient(prev, pt, gradColors, i)
 				m.c.SetStrokeStyle(grad)
 				//m.c.SetColor(color.RGBA{255, 0, 0, 255})
 
@@ -691,13 +690,7 @@ func (m *Image) renderFakePath(points []Point) {
 			for i := 1; i < len(points); i++ {
 				prev := points[i-1]
 				pt := points[i]
-				startColor := gradColors[(i*2)-2]
-				midColor := gradColors[(i*2)-1]
-				lastColor := gradColors[i*2]
-				grad := gg.NewLinearGradient(prev.GetX(), prev.GetY(), pt.GetX(), pt.GetY())
-				grad.AddColorStop(0, startColor)
-				grad.AddColorStop(0.5, midColor)
-				grad.AddColorStop(1, lastColor)
+				grad := getGradient(prev, pt, gradColors, i)
 				m.c.SetStrokeStyle(grad)
 				m.withState(func() {
 					m.c.SetLineWidth(1)
@@ -731,13 +724,7 @@ func (m *Image) renderFakePath(points []Point) {
 				prev := points[i-1]
 				pt := points[i]
 
-				startColor := gradColors[(i*2)-2]
-				midColor := gradColors[(i*2)-1]
-				lastColor := gradColors[i*2]
-				grad := gg.NewLinearGradient(prev.GetX(), prev.GetY(), pt.GetX(), pt.GetY())
-				grad.AddColorStop(0, startColor)
-				grad.AddColorStop(0.5, midColor)
-				grad.AddColorStop(1, lastColor)
+				grad := getGradient(prev, pt, gradColors, i)
 				m.c.SetStrokeStyle(grad)
 				//m.c.SetColor(color.White)
 
@@ -766,13 +753,7 @@ func (m *Image) renderFakePath(points []Point) {
 				prev := points[i-1]
 				pt := points[i]
 
-				startColor := gradColors[(i*2)-2]
-				midColor := gradColors[(i*2)-1]
-				lastColor := gradColors[i*2]
-				grad := gg.NewLinearGradient(prev.GetX(), prev.GetY(), pt.GetX(), pt.GetY())
-				grad.AddColorStop(0, startColor)
-				grad.AddColorStop(0.5, midColor)
-				grad.AddColorStop(1, lastColor)
+				grad := getGradient(prev, pt, gradColors, i)
 				m.c.SetStrokeStyle(grad)
 
 				m.c.MoveTo(prev.GetX(), prev.GetY())