From 503c196d4f86cb6156ee9a2e6546af5fc04edf7e Mon Sep 17 00:00:00 2001
From: Jaidyn Ann <jadedctrl@teknik.io>
Date: Mon, 7 Jun 2021 00:56:26 -0500
Subject: [PATCH] Generate unique foreground for each user

---
 application/CayaUtils.cpp | 26 ++++++++++++++++++++++++++
 application/CayaUtils.h   |  1 +
 application/User.cpp      |  1 +
 application/User.h        |  2 ++
 4 files changed, 30 insertions(+)

diff --git a/application/CayaUtils.cpp b/application/CayaUtils.cpp
index c077ad3..f83a2fa 100644
--- a/application/CayaUtils.cpp
+++ b/application/CayaUtils.cpp
@@ -177,6 +177,32 @@ CayaTintColor(rgb_color color, int severity)
 }
 
 
+rgb_color
+CayaForegroundColor(rgb_color background)
+{
+	rgb_color foreground;
+	int32 brighter;
+	int32 darker;
+	float ratio;
+
+	do {
+		foreground.set_to(rand() % 255, rand() % 255, rand() %255);
+		if (foreground.Brightness() > background.Brightness()) {
+			brighter = foreground.Brightness();
+			darker = background.Brightness();
+		}
+		else {
+			brighter = background.Brightness();
+			darker = foreground.Brightness();
+		}
+		ratio = (brighter + .05) / (darker + .05);
+	}
+	while (ratio > 5 || ratio < 4);
+
+	return foreground;
+}
+
+
 status_t
 ReadAttributeData(BNode* node, const char* name, char** buffer, int32 *size) {
 		attr_info info;
diff --git a/application/CayaUtils.h b/application/CayaUtils.h
index 4935363..a14ef69 100644
--- a/application/CayaUtils.h
+++ b/application/CayaUtils.h
@@ -25,6 +25,7 @@ const char* CayaCachePath();
 const char* CayaLogPath(const char* signature, const char* subsignature);
 
 rgb_color	CayaTintColor(rgb_color color, int severity);
+rgb_color	CayaForegroundColor(rgb_color background);
 
 // Borrowed from BePodder's own libfunky
 status_t	ReadAttributeData(BNode* node, const char* name, char** buffer, int32 *size);
diff --git a/application/User.cpp b/application/User.cpp
index 3d7482b..4305c6c 100644
--- a/application/User.cpp
+++ b/application/User.cpp
@@ -29,6 +29,7 @@ User::User(BString id, BMessenger msgn)
 	fMessenger(msgn),
 	fLooper(NULL),
 	fListItem(NULL),
+	fItemColor(CayaForegroundColor(ui_color(B_LIST_BACKGROUND_COLOR))),
 	fStatus(CAYA_OFFLINE),
 	fPopUp(NULL)
 {
diff --git a/application/User.h b/application/User.h
index 81f7b06..fe88d69 100644
--- a/application/User.h
+++ b/application/User.h
@@ -63,6 +63,8 @@ public:
 
 	ChatMap			Conversations();
 
+	rgb_color		fItemColor;
+
 protected:
 	BMessenger		fMessenger;
 	ProtocolLooper*	fLooper;