add compositing structure (not yet final)

3 files changed, 45 insertions, 1 deletions

diff --git a/lib/gdi/Makefile.am b/lib/gdi/Makefile.am
index 46ed948a..e5430fab 100644
--- a/lib/gdi/Makefile.am
+++ b/lib/gdi/Makefile.am
@@ -5,7 +5,8 @@ noinst_LIBRARIES = libenigma_gdi.a
 
 libenigma_gdi_a_SOURCES = \
 	region.cpp grc.cpp epng.cpp erect.cpp fb.cpp font.cpp font_arabic.cpp gfbdc.cpp  \
-	glcddc.cpp gpixmap.cpp lcd.cpp gfont.cpp accel.cpp picload.cpp picexif.cpp
+	glcddc.cpp gpixmap.cpp lcd.cpp gfont.cpp accel.cpp picload.cpp picexif.cpp \
+	compositing.cpp
 
 if WITH_SDL
 libenigma_gdi_a_SOURCES += sdl.cpp
diff --git a/lib/gdi/compositing.cpp b/lib/gdi/compositing.cpp
new file mode 100644
index 00000000..e373a02e
--- /dev/null
+++ b/lib/gdi/compositing.cpp
@@ -0,0 +1,9 @@
+#include <lib/gdi/compositing.h>
+#include <lib/gdi/grc.h>
+
+DEFINE_REF(gCompositingData);
+
+gContext::~gContext()
+{
+}
+
diff --git a/lib/gdi/compositing.h b/lib/gdi/compositing.h
new file mode 100644
index 00000000..706a5927
--- /dev/null
+++ b/lib/gdi/compositing.h
@@ -0,0 +1,34 @@
+#ifndef __lib_gdi_compositing_h
+#define __lib_gdi_compositing_h
+
+#include <lib/gdi/gpixmap.h>
+
+#include <vector>
+
+class gDC;
+
+struct gContext
+{
+	ePtr<gDC> m_pixmap;
+	int m_reg_int[256];
+	float m_reg_float[256];	
+	~gContext();
+};
+
+struct gCompositingElement
+{
+	std::vector<unsigned int> m_code;
+	gContext m_context;
+};
+
+class gCompositingData: public Object
+{
+DECLARE_REF(gCompositingData);
+public:
+	int execute(void); /* returns ticks until next execution */
+private:
+	std::vector<gCompositingElement> m_elements;
+	gContext m_globals;
+};
+
+#endif