From 259d87a8a68d443d2bbb2bcc1887b4f11b7d342e Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Tue, 16 Sep 2008 14:10:55 +0000
Subject: Added "querySaveMetaInfos" to MetaEngine.  -> Allows easy addition of
 save state specific infos like playtime, save date atc.  -> Removed
 MetaEngine::loadThumbnailFromSlot, superseded by meta infos  -> Changed SCUMM
 / KYRA to implement the newly added functionallity  -> Removed hack in KYRAs
 listSavefiles, which is now handled via meta infos

svn-id: r34581
---
 graphics/surface.h | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'graphics/surface.h')

diff --git a/graphics/surface.h b/graphics/surface.h
index ff1ddda695..747bda9a26 100644
--- a/graphics/surface.h
+++ b/graphics/surface.h
@@ -30,7 +30,6 @@
 
 namespace Graphics {
 
-
 /**
  * An arbitrary graphics surface, which can be the target (or source) of blit
  * operations, font rendering, etc.
@@ -67,6 +66,12 @@ struct Surface {
 	 */
 	void free();
 
+	/**
+	 * Copies data from another Surface, this calls *free* on the current surface, to assure
+	 * it being clean.
+	 */
+	void copyFrom(const Surface &surf);
+
 	void drawLine(int x0, int y0, int x1, int y1, uint32 color);
 	void hLine(int x, int y, int x2, uint32 color);
 	void vLine(int x, int y, int y2, uint32 color);
@@ -76,6 +81,18 @@ struct Surface {
 	void move(int dx, int dy, int height);
 };
 
+/**
+ * For safe deletion of surface with SharedPtr.
+ * The deleter assures Surface::free is called on
+ * deletion.
+ */
+struct SharedPtrSurfaceDeleter {
+	void operator()(Surface *ptr) {
+		ptr->free();
+		delete ptr;
+	}
+};
+
 
 } // End of namespace Graphics
 
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