From 2b36c36dcbe49fa0d62543b45f42f820cb0c22ad Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Fri, 7 May 2021 16:20:23 +0400
Subject: [PATCH] Allow fractional strokes in CrossLineAnimation.

---
 ui/colors.palette         |  4 ++--
 ui/effects/cross_line.cpp | 19 ++++++++++++++++---
 ui/widgets/widgets.style  |  1 +
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/ui/colors.palette b/ui/colors.palette
index a20859d..ddbe40b 100644
--- a/ui/colors.palette
+++ b/ui/colors.palette
@@ -584,8 +584,8 @@ groupCallMenuBgOver: #343940; // group call popup menu with mouse over
 groupCallMenuBgRipple: #3a4047; // group call popup menu ripple effect
 groupCallLeaveBg: #f75c5c7f; // group call leave button background
 groupCallLeaveBgRipple: #f75c5c9e; // group call leave button ripple effect
-groupCallVideoTextFg: #ffffffe0; // group call text over video
-groupCallVideoSubTextFg: #ffffffa0; // group call additional text over video
+groupCallVideoTextFg: #ffffffb2; // group call text over video
+groupCallVideoSubTextFg: #ffffff66; // group call additional text over video
 
 callBarBg: dialogsBgActive; // active phone call bar background
 callBarMuteRipple: dialogsRippleBgActive; // active phone call bar mute and hangup button ripple effect
diff --git a/ui/effects/cross_line.cpp b/ui/effects/cross_line.cpp
index 9eb95b6..0028ac8 100644
--- a/ui/effects/cross_line.cpp
+++ b/ui/effects/cross_line.cpp
@@ -9,6 +9,15 @@
 #include "ui/painter.h"
 
 namespace Ui {
+namespace {
+
+[[nodiscard]] float64 StrokeWidth(
+		const style::CrossLineAnimation &st) noexcept {
+	return float64(st.stroke)
+		/ (st.strokeDenominator ? st.strokeDenominator : 1);
+}
+
+} // namespace
 
 CrossLineAnimation::CrossLineAnimation(
 	const style::CrossLineAnimation &st,
@@ -16,8 +25,12 @@ CrossLineAnimation::CrossLineAnimation(
 	float angle)
 : _st(st)
 , _reversed(reversed)
-, _transparentPen(Qt::transparent, st.stroke, Qt::SolidLine, Qt::RoundCap)
-, _strokePen(st.fg, st.stroke, Qt::SolidLine, Qt::RoundCap)
+, _transparentPen(
+	Qt::transparent,
+	StrokeWidth(st),
+	Qt::SolidLine,
+	Qt::RoundCap)
+, _strokePen(st.fg, StrokeWidth(st), Qt::SolidLine, Qt::RoundCap)
 , _line(st.startPosition, st.endPosition) {
 	_line.setAngle(angle);
 }
@@ -98,7 +111,7 @@ void CrossLineAnimation::fillFrame(
 void CrossLineAnimation::invalidate() {
 	_completeCross = QImage();
 	_completeCrossOverride = QImage();
-	_strokePen = QPen(_st.fg, _st.stroke, Qt::SolidLine, Qt::RoundCap);
+	_strokePen = QPen(_st.fg, StrokeWidth(_st), Qt::SolidLine, Qt::RoundCap);
 }
 
 } // namespace Ui
diff --git a/ui/widgets/widgets.style b/ui/widgets/widgets.style
index 61ab92d..2b7aab5 100644
--- a/ui/widgets/widgets.style
+++ b/ui/widgets/widgets.style
@@ -409,6 +409,7 @@ CrossLineAnimation {
 	startPosition: point;
 	endPosition: point;
 	stroke: pixels;
+	strokeDenominator: int;
 }
 
 ArcsAnimation {