Show cut gradient at the text-image bottom only if necessary

render_image.go

@@ -86,6 +86,7 @@ func drawImage(paragraphs []string, style Style, metadata sdk.ProfileMetadata, d
 	height := 525
 	paddingLeft := 25
 	barExtraPadding := 0
+	gradientRectHeight := 140
 	switch style {
 	case StyleTelegram:
 		paddingLeft += 10
@@ -120,7 +121,7 @@ func drawImage(paragraphs []string, style Style, metadata sdk.ProfileMetadata, d
 	img.Fill()
 
 	// a rectangle at the bottom with a gradient from black to transparent
-	gradientRectHeight := 140
+	if len(strings.Join(paragraphs, "\n")) > 141 {
 		gradientRectY := height - barHeight - gradientRectHeight
 		for y := 0; y < gradientRectHeight; y++ {
 			alpha := uint8(255 * (math.Pow(float64(y)/float64(gradientRectHeight), 2)))
@@ -128,6 +129,7 @@ func drawImage(paragraphs []string, style Style, metadata sdk.ProfileMetadata, d
 			img.DrawRectangle(0, float64(gradientRectY+y), float64(width), 1)
 			img.Fill()
 		}
+	}
 
 	// draw author's name
 	authorTextX := paddingLeft + barExtraPadding