From 8e58f5bca4258e73e84e604ff2573fe9713b7b3f Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 13 Jul 2015 12:55:04 +0300
Subject: [PATCH] Proper support for copying images

---
 source/graphics/image.cpp | 30 ++++++++++++++++++++++++++++++
 source/graphics/image.h   |  2 ++
 2 files changed, 32 insertions(+)

diff --git a/source/graphics/image.cpp b/source/graphics/image.cpp
index b22be19..a0e6e38 100644
--- a/source/graphics/image.cpp
+++ b/source/graphics/image.cpp
@@ -17,6 +17,36 @@ Image::Data::Data():
 	data(0)
 { }
 
+Image::Data::Data(const Data &other):
+	fmt(other.fmt),
+	width(other.width),
+	height(other.height),
+	stride(other.stride),
+	data(other.data ? new char[stride*height] : 0)
+{
+	if(data)
+		copy(other.data, other.data+stride*height, data);
+}
+
+Image::Data &Image::Data::operator=(const Data &other)
+{
+	delete[] data;
+	data = 0;
+
+	fmt = other.fmt;
+	width = other.width;
+	height = other.height;
+	stride = other.stride;
+
+	if(other.data)
+	{
+		data = new char[stride*height];
+		copy(other.data, other.data+stride*height, data);
+	}
+
+	return *this;
+}
+
 Image::Data::~Data()
 {
 	delete[] data;
diff --git a/source/graphics/image.h b/source/graphics/image.h
index 29fd288..9f17004 100644
--- a/source/graphics/image.h
+++ b/source/graphics/image.h
@@ -23,6 +23,8 @@ public:
 		char *data;
 
 		Data();
+		Data(const Data &);
+		Data &operator=(const Data &);
 		~Data();
 	};
 
-- 
2.43.0