From 03177721b864439afb9b245d0f9be6528b458b12 Mon Sep 17 00:00:00 2001
From: Colin Snover
Date: Sun, 31 Jul 2016 18:39:12 -0500
Subject: SCI32: Allow pixel doubling of some cursors to improve usability

---
 engines/sci/graphics/cursor32.cpp | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'engines/sci/graphics')

diff --git a/engines/sci/graphics/cursor32.cpp b/engines/sci/graphics/cursor32.cpp
index a5491eec2a..5b63859972 100644
--- a/engines/sci/graphics/cursor32.cpp
+++ b/engines/sci/graphics/cursor32.cpp
@@ -182,13 +182,39 @@ void GfxCursor32::setView(const GuiResourceId viewId, const int16 loopNo, const
 		_width = view._width;
 		_height = view._height;
 
+		// SSCI never increased the size of cursors, but some of the cursors
+		// in early SSCI games were designed for low-resolution screens and so
+		// are kind of hard to pick out when running in high-resolution mode.
+		// To address this, we make some slight adjustments to cursor display
+		// in a couple of games.
+		// GK1: All the cursors are increased in size since they all appear to
+		//      be designed for low-res display.
+		// PQ4: We only make the cursors bigger if they are above a set
+		//      threshold size because inventory items usually have a
+		//      high-resolution cursor representation.
+		bool pixelDouble = false;
+		if (g_sci->_gfxFrameout->_isHiRes &&
+			(g_sci->getGameId() == GID_GK1 ||
+			(g_sci->getGameId() == GID_PQ4 && _width <= 22 && _height <= 22))) {
+
+			_width *= 2;
+			_height *= 2;
+			_hotSpot.x *= 2;
+			_hotSpot.y *= 2;
+			pixelDouble = true;
+		}
+
 		_cursor.data = (byte *)realloc(_cursor.data, _width * _height);
 		_cursor.rect = Common::Rect(_width, _height);
 		memset(_cursor.data, 255, _width * _height);
 		_cursor.skipColor = 255;
 
 		Buffer target(_width, _height, _cursor.data);
-		view.draw(target, _cursor.rect, Common::Point(0, 0), false);
+		if (pixelDouble) {
+			view.draw(target, _cursor.rect, Common::Point(0, 0), false, 2, 2);
+		} else {
+			view.draw(target, _cursor.rect, Common::Point(0, 0), false);
+		}
 	} else {
 		_hotSpot = Common::Point(0, 0);
 		_width = _height = 1;
-- 
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