From 30fa5e166379b9e0764b437c6925c22d908d7122 Mon Sep 17 00:00:00 2001
From: athrxx <athrxx@scummvm.org>
Date: Fri, 24 Feb 2012 15:48:06 +0100
Subject: [PATCH] KYRA: (EOB) - fix save file thumbnail generation in CGA/EGA
 mode

---
 engines/kyra/gui_eob.cpp    |  9 ++++++++-
 engines/kyra/screen.h       |  2 +-
 engines/kyra/screen_eob.cpp | 15 +++++++++++++++
 engines/kyra/screen_eob.h   |  1 +
 4 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/engines/kyra/gui_eob.cpp b/engines/kyra/gui_eob.cpp
index ec9b67488588..e8e69d5b1f03 100644
--- a/engines/kyra/gui_eob.cpp
+++ b/engines/kyra/gui_eob.cpp
@@ -2648,7 +2648,14 @@ bool GUI_EoB::transferFileMenu(Common::String &targetName, Common::String &selec
 void GUI_EoB::createScreenThumbnail(Graphics::Surface &dst) {
 	uint8 *screenPal = new uint8[768];
 	_screen->getRealPalette(0, screenPal);
-	::createThumbnail(&dst, _screen->getCPagePtr(7), Screen::SCREEN_W, Screen::SCREEN_H, screenPal);
+	uint16 width = Screen::SCREEN_W;
+	uint16 height = Screen::SCREEN_H;
+	if (_vm->_useHiResDithering) {
+		width <<= 1;
+		height <<= 1;
+	}
+
+	::createThumbnail(&dst, _screen->getCPagePtr(7), width, height, screenPal);
 	delete[] screenPal;
 }
 
diff --git a/engines/kyra/screen.h b/engines/kyra/screen.h
index 4f7f6d49ed13..a0cf5742c61b 100644
--- a/engines/kyra/screen.h
+++ b/engines/kyra/screen.h
@@ -452,7 +452,7 @@ class Screen {
 	void enableInterfacePalette(bool e);
 	void setInterfacePalette(const Palette &pal, uint8 r, uint8 g, uint8 b);
 
-	void getRealPalette(int num, uint8 *dst);
+	virtual void getRealPalette(int num, uint8 *dst);
 	Palette &getPalette(int num);
 	void copyPalette(const int dst, const int src);
 
diff --git a/engines/kyra/screen_eob.cpp b/engines/kyra/screen_eob.cpp
index dc53e8aca52f..9fae729bc4c2 100644
--- a/engines/kyra/screen_eob.cpp
+++ b/engines/kyra/screen_eob.cpp
@@ -422,6 +422,21 @@ void Screen_EoB::setScreenPalette(const Palette &pal) {
 	}
 }
 
+void Screen_EoB::getRealPalette(int num, uint8 *dst) {
+	if (_renderMode == Common::kRenderCGA || _renderMode == Common::kRenderEGA) {
+		const uint8 *pal = _screenPalette->getData();
+		for (int i = 0; i < 16; ++i) {
+			dst[0] = (pal[0] << 2) | (pal[0] & 3);
+			dst[1] = (pal[1] << 2) | (pal[1] & 3);
+			dst[2] = (pal[2] << 2) | (pal[2] & 3);
+			dst += 3;
+			pal += 3;
+		}
+	} else {
+		Screen::getRealPalette(num, dst);
+	}
+}
+
 uint8 *Screen_EoB::encodeShape(uint16 x, uint16 y, uint16 w, uint16 h, bool encode8bit, const uint8 *cgaMapping) {
 	uint8 *shp = 0;
 	uint16 shapesize = 0;
diff --git a/engines/kyra/screen_eob.h b/engines/kyra/screen_eob.h
index 92de5c8b384f..fc40cfe9037b 100644
--- a/engines/kyra/screen_eob.h
+++ b/engines/kyra/screen_eob.h
@@ -59,6 +59,7 @@ class Screen_EoB : public Screen {
 	void setPagePixel(int pageNum, int x, int y, uint8 color);
 
 	void setScreenPalette(const Palette &pal);
+	void getRealPalette(int num, uint8 *dst);
 
 	uint8 *encodeShape(uint16 x, uint16 y, uint16 w, uint16 h, bool encode8bit = false, const uint8 *cgaMapping = 0);
 	void drawShape(uint8 pageNum, const uint8 *shapeData, int x, int y, int sd = -1, int flags = 0, ...);