Add abstract class gMainDC as an interface for gFBDC and gSDLDC

1 files changed, 28 insertions, 0 deletions

diff --git a/lib/gdi/gmaindc.cpp b/lib/gdi/gmaindc.cpp
new file mode 100644
index 00000000..4890027f
--- /dev/null
+++ b/lib/gdi/gmaindc.cpp
@@ -0,0 +1,28 @@
+#include <lib/gdi/gmaindc.h>
+
+gMainDC *gMainDC::m_instance;
+
+ePtr<gMainDC> NewgMainDCPtr(void)
+{
+	ePtr<gMainDC> ptr;
+	gMainDC::getInstance(ptr);
+	return ptr;
+}
+
+gMainDC::gMainDC()
+{
+	ASSERT(m_instance == 0);
+	m_instance = this;
+}
+
+gMainDC::gMainDC(gPixmap *pixmap) : gDC(pixmap)
+{
+	ASSERT(m_instance == 0);
+	m_instance = this;
+}
+
+gMainDC::~gMainDC()
+{
+	m_instance = 0;
+}
+