--- /dev/null
+#ifndef _BUFFERBUILDER_H
+#define _BUFFERBUILDER_H
+
+namespace IPDF
+{
+ /*
+ * Utility to add stuff to a buffer.
+ */
+ template <typename T>
+ class BufferBuilder
+ {
+ public:
+ BufferBuilder(void *data, size_t size) : m_bufferData((T*)data), m_bufferSize(size), m_bufferOffset(0) {};
+ // Append an item to the buffer, returning its index.
+ size_t Add(const T& item) {m_bufferData[m_bufferOffset] = item; m_bufferOffset++; return m_bufferOffset-1;}
+ bool Free(size_t num = 1) const {return ((m_bufferOffset + num) * sizeof(T)) < m_bufferSize;}
+ private:
+ T *m_bufferData;
+ size_t m_bufferSize; // In bytes, 'cause why make things easy?
+ size_t m_bufferOffset; // In elements, 'cause why make things consistant?
+ };
+
+}
+
+#endif // _SCREEN_H