From 895b781629671471d1c0dab803d9d3e6a14d2643 Mon Sep 17 00:00:00 2001
From: "M. Liebmann" <tuxcode.bbg@gmail.com>
Date: Fri, 27 Nov 2015 12:11:54 +0100
Subject: [PATCH] CFBWindow: Add saveScreen() & restoreScreen() for using...

...in external plugins
---
 src/driver/fb_window.cpp | 24 ++++++++++++++++++------
 src/driver/fb_window.h   |  3 +++
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/src/driver/fb_window.cpp b/src/driver/fb_window.cpp
index 8d6ddfa23..306243914 100644
--- a/src/driver/fb_window.cpp
+++ b/src/driver/fb_window.cpp
@@ -38,17 +38,29 @@ CFBWindow::CFBWindow(const int _x, const int _y, const int _dx, const int _dy)
 	dy = _dy;
 
 	frameBuffer = CFrameBuffer::getInstance();
-	Background = new fb_pixel_t [_dx * _dy];
-	if (Background != NULL)
-		frameBuffer->SaveScreen(_x, _y, _dx, _dy, Background);
-
+	Background = saveScreen(_x, _y, _dx, _dy);
 }
 
 CFBWindow::~CFBWindow(void)
 {
 	if (Background != NULL)
-		frameBuffer->RestoreScreen(x, y, dx, dy, Background);
-	delete[] Background;
+		restoreScreen(x, y, dx, dy, Background, true);
+}
+
+fb_pixel_t* CFBWindow::saveScreen(const int _x, const int _y, const int _dx, const int _dy)
+{
+	fb_pixel_t* buf = new fb_pixel_t [_dx * _dy];
+	if (buf != NULL)
+		frameBuffer->SaveScreen(_x, _y, _dx, _dy, buf);
+	return buf;
+}
+
+void CFBWindow::restoreScreen(const int _x, const int _y, const int _dx, const int _dy, fb_pixel_t* buf, bool delBuf)
+{
+	if (buf != NULL)
+		frameBuffer->RestoreScreen(_x, _y, _dx, _dy, buf);
+	if (delBuf)
+		delete[] buf;
 }
 
 void CFBWindow::paintBoxRel(const int _x, const int _y, const int _dx, const int _dy, const color_t _col, int radius, int type)
diff --git a/src/driver/fb_window.h b/src/driver/fb_window.h
index 0f9cf8a49..420557a79 100644
--- a/src/driver/fb_window.h
+++ b/src/driver/fb_window.h
@@ -45,6 +45,9 @@ class CFBWindow
 	void paintBoxRel(const int _x, const int _y, const int _dx, const int _dy, const color_t _col, int radius = 0, int type = 0xF);
 	bool paintIcon(const char * const _filename, const int _x, const int _y, const int _h = 0, const color_t _offset = 1);
 	void RenderString(const font_t _font, const int _x, const int _y, const int _width, const char * const _text, const color_t _color, const int _boxheight = 0, const unsigned int _flags = Font::IS_UTF8);
+
+	fb_pixel_t* saveScreen(const int _x, const int _y, const int _dx, const int _dy);
+	void restoreScreen(const int _x, const int _y, const int _dx, const int _dy, fb_pixel_t* buf, bool delBuf);
 };
 
 #endif /* __fb_window_h__ */