From c1cab1e7fcf7b2e4de2fae0091a8d9d41e6b6e71 Mon Sep 17 00:00:00 2001
From: Tphamtranba <119475427+Bapham12@users.noreply.github.com>
Date: Tue, 14 Apr 2026 22:09:17 +0700
Subject: [PATCH 1/2] Add CheckSizeImage.lua to validate image aspect ratio

---
 Other/CheckSizeImage.lua | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Other/CheckSizeImage.lua

diff --git a/Other/CheckSizeImage.lua b/Other/CheckSizeImage.lua
new file mode 100644
index 0000000..9f066cf
--- /dev/null
+++ b/Other/CheckSizeImage.lua
@@ -0,0 +1,23 @@
+local p = {}
+
+function p.main(frame)
+	local result = ""
+	local title =  mw.title.new(mw.text.trim(frame.args[1]), 6)
+	
+	if (title ~= nil and title.fileExists) then
+		local image = title.file
+		local w = image.width
+		local h = image.height
+		local ratio = w/h
+	
+		-- Nếu tỷ lệ w/h > 2.5 hoặc < 0.5 thì báo lỗi
+		if (ratio < 0.5 or ratio > 2.5) then
+			local span = mw.html.create("span"):attr("class", "error"):wikitext("Hình ảnh chọn lọc phải có tỷ lệ chiều rộng/chiều cao từ 0.5 đến 2.5. Hình này đang có tỷ lệ là " .. math.floor(ratio * 100) / 100 .. " [= " .. w .. "/" .. h .. "].")
+			result = tostring(span)
+		end
+	end
+	
+	return result
+end
+
+return p

From cf348f08f7bc205a71b1266bded664c437460c22 Mon Sep 17 00:00:00 2001
From: Tphamtranba <119475427+Bapham12@users.noreply.github.com>
Date: Tue, 14 Apr 2026 22:09:55 +0700
Subject: [PATCH 2/2] Add MaxWidthResponsive.lua for image width handling

---
 Other/MaxWidthResponsive.lua | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Other/MaxWidthResponsive.lua

diff --git a/Other/MaxWidthResponsive.lua b/Other/MaxWidthResponsive.lua
new file mode 100644
index 0000000..5918e9d
--- /dev/null
+++ b/Other/MaxWidthResponsive.lua
@@ -0,0 +1,25 @@
+local p = {}
+
+function p.main(frame)
+	local result = ""
+	local title =  mw.title.new(mw.text.trim(frame.args[1]), 6)
+	
+	if (title ~= nil and title.fileExists) then
+		local image = title.file
+		local w = image.width
+		local h = image.height
+		local maxWidth = 430 * (w / h)
+	
+		-- Nếu chiều cao > chiều rộng (w/h < 1) thì cung cấp max-width
+		-- để max-height luôn đạt 430px
+		if (w/h < 1) then
+			result = "max-width: " .. maxWidth .. "px;"
+		else
+			result = "max-width: 430px;"
+		end
+	end
+	
+	return result
+end
+
+return p