new function geterror()

diff --git a/lib/gfxdevice.h b/lib/gfxdevice.h
index 0d9a994..4a6334d 100644 (file)
--- a/lib/gfxdevice.h
+++ b/lib/gfxdevice.h
@@ -119,6 +119,8 @@ typedef struct _gfxdevice
     
     void (*endpage)(struct _gfxdevice*dev);
     
+    const char* (*geterror)();
+    
     gfxresult_t* (*finish)(struct _gfxdevice*dev);
 
     void* internal;