From fc05642b74f4fc8ebbc787d15c43b5de18545dac Mon Sep 17 00:00:00 2001
From: Bananymous <bananymousosq@gmail.com>
Date: Fri, 30 Dec 2022 19:57:44 +0200
Subject: [PATCH] Kernel: Make Render from buffer public tty function

---
 kernel/arch/i386/TTY.cpp    | 20 +++++++++++++-------
 kernel/include/kernel/TTY.h | 13 +++++++------
 2 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/kernel/arch/i386/TTY.cpp b/kernel/arch/i386/TTY.cpp
index 847fa655..b80d2d64 100644
--- a/kernel/arch/i386/TTY.cpp
+++ b/kernel/arch/i386/TTY.cpp
@@ -35,7 +35,7 @@ TTY::TTY()
 
 void TTY::Clear()
 {
-	for (size_t i = 0; i < m_width * m_height; i++)
+	for (uint32_t i = 0; i < m_width * m_height; i++)
 		m_buffer[i] = { .foreground = m_foreground, .background = m_background, .character = ' ' };
 	VESA::Clear(m_background);
 }
@@ -239,7 +239,13 @@ void TTY::HandleAnsiEscape(uint16_t ch)
 	}
 }
 
-void TTY::PutCharAt(uint16_t ch, size_t x, size_t y)
+void TTY::RenderFromBuffer(uint32_t x, uint32_t y)
+{
+	const auto& cell = m_buffer[y * m_width + x];
+	VESA::PutCharAt(cell.character, x, y, cell.foreground, cell.background);
+}
+
+void TTY::PutCharAt(uint16_t ch, uint32_t x, uint32_t y)
 {
 	auto& cell = m_buffer[y * m_width + x];
 	cell.character = ch;
@@ -301,12 +307,12 @@ void TTY::PutChar(char ch)
 		memmove(m_buffer, m_buffer + m_width, m_width * (m_height - 1) * sizeof(Cell));
 
 		// Clear last line in buffer
-		for (size_t x = 0; x < m_width; x++)
+		for (uint32_t x = 0; x < m_width; x++)
 			m_buffer[(m_height - 1) * m_width + x] = { .foreground = m_foreground, .background = m_background, .character = ' ' };
 
 		// Render the whole buffer to the screen
-		for (size_t y = 0; y < m_height; y++)
-			for (size_t x = 0; x < m_width; x++)
+		for (uint32_t y = 0; y < m_height; y++)
+			for (uint32_t x = 0; x < m_width; x++)
 				RenderFromBuffer(x, y);
 
 		m_column = 0;
@@ -339,8 +345,8 @@ void TTY::PutCharCurrent(char ch)
 	}
 	else
 	{
-		static size_t x = 0;
-		static size_t y = 0;
+		static uint32_t x = 0;
+		static uint32_t y = 0;
 
 		switch (ch)
 		{
diff --git a/kernel/include/kernel/TTY.h b/kernel/include/kernel/TTY.h
index 2a847a47..d481c70f 100644
--- a/kernel/include/kernel/TTY.h
+++ b/kernel/include/kernel/TTY.h
@@ -13,18 +13,19 @@ public:
 	void WriteString(const char* data);
 	void SetCursorPosition(uint32_t x, uint32_t y);
 
+	uint32_t Height() const { return m_height; }
+	uint32_t Width() const { return m_width; }
+
+	void RenderFromBuffer(uint32_t x, uint32_t y);
+
+	// for kprint
 	static void PutCharCurrent(char ch);
 
 private:
 	void ResetAnsiEscape();
 	void HandleAnsiSGR();
 	void HandleAnsiEscape(uint16_t ch);
-	void PutCharAt(uint16_t ch, size_t x, size_t y);
-	inline void RenderFromBuffer(size_t x, size_t y)
-	{
-		const auto& cell = m_buffer[y * m_width + x];
-		VESA::PutCharAt(cell.character, x, y, cell.foreground, cell.background);
-	}
+	void PutCharAt(uint16_t ch, uint32_t x, uint32_t y);
 
 private:
 	struct Cell