1 files changed, 27 insertions, 0 deletions
diff --git a/thirdparty/thekla_atlas/nvimage/BitMap.cpp b/thirdparty/thekla_atlas/nvimage/BitMap.cpp
new file mode 100644
index 0000000000..8cc49644ea
--- /dev/null
+++ b/thirdparty/thekla_atlas/nvimage/BitMap.cpp
@@ -0,0 +1,27 @@
+// This code is in the public domain -- castanyo@yahoo.es
+
+#include "BitMap.h"
+
+using namespace nv;
+
+void BitMap::resize(uint w, uint h, bool initValue)
+{
+    BitArray tmp(w*h);
+
+    if (initValue) tmp.setAll();
+    else tmp.clearAll();
+
+    // @@ Copying one bit at a time. This could be much faster.
+    for (uint y = 0; y < m_height; y++)
+    {
+        for (uint x = 0; x < m_width; x++)
+        {
+            //tmp.setBitAt(y*w + x, bitAt(x, y));
+            if (bitAt(x, y) != initValue) tmp.toggleBitAt(y*w + x);
+        }
+    }
+
+    swap(m_bitArray, tmp);
+    m_width = w;
+    m_height = h;
+}