From 8a84e3d6715e58d29abf4eb800fe32357d4b1297 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 6 Jan 2019 14:26:57 -0800
Subject: GLK: FROTZ: Default white color for v6 game background

---
 engines/glk/frotz/windows.cpp   | 2 ++
 engines/glk/window_graphics.cpp | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

(limited to 'engines/glk')

diff --git a/engines/glk/frotz/windows.cpp b/engines/glk/frotz/windows.cpp
index 54f4c4aae0..0c7237cbd0 100644
--- a/engines/glk/frotz/windows.cpp
+++ b/engines/glk/frotz/windows.cpp
@@ -48,6 +48,8 @@ void Windows::setup(bool isVersion6) {
 		// For graphic games we have a background window covering the entire screen for greater
 		// flexibility of wher we draw pictures, and the lower and upper areas sit on top of them
 		_background = g_vm->glk_window_open(0, 0, 0, wintype_Graphics, 0);
+		_background->setBackgroundColor(0xffffff);
+
 		_lower = g_vm->glk_window_open(g_vm->glk_window_get_root(),
 			winmethod_Arbitrary | winmethod_Fixed, 0, wintype_TextBuffer, 0);
 		_upper = g_vm->glk_window_open(g_vm->glk_window_get_root(),
diff --git a/engines/glk/window_graphics.cpp b/engines/glk/window_graphics.cpp
index 049d31425b..d0f721d5c1 100644
--- a/engines/glk/window_graphics.cpp
+++ b/engines/glk/window_graphics.cpp
@@ -62,7 +62,9 @@ void GraphicsWindow::rearrange(const Rect &box) {
 	if (newhgt < bothhgt)
 		bothhgt = newhgt;
 
-	newSurface = new Graphics::ManagedSurface(newwid, newhgt, g_system->getScreenFormat());
+	Graphics::PixelFormat pixelFormat = g_system->getScreenFormat();
+	newSurface = new Graphics::ManagedSurface(newwid, newhgt, pixelFormat);
+	newSurface->clear(pixelFormat.RGBToColor(_bgnd[0], _bgnd[1], _bgnd[2]));
 
 	// If the new surface is equal or bigger than the old one, copy it over
 	if (_surface && bothwid && bothhgt)
@@ -145,7 +147,7 @@ void GraphicsWindow::eraseRect(bool whole, const Rect &box) {
 	// zero out hyperlinks for these coordinates
 	g_vm->_selection->putHyperlink(0, hx0, hy0, hx1, hy1);
 
-	_surface->fillRect(Rect(x0, y0, x1, y1), MKTAG(_bgnd[0], _bgnd[1], _bgnd[2], 0));
+	_surface->fillRect(Rect(x0, y0, x1, y1), _surface->format.RGBToColor(_bgnd[0], _bgnd[1], _bgnd[2]));
 	touch();
 }
 
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