X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/133cb28b21dc61342da65dcb0addbca9a96b6fe2..c3ad4d4a455aed28178d8a22c305e1a4d6b23f23:/include/wx/graphics.h

diff --git a/include/wx/graphics.h b/include/wx/graphics.h
index 2768666870..0d472b5bca 100644
--- a/include/wx/graphics.h
+++ b/include/wx/graphics.h
@@ -29,8 +29,10 @@ enum wxAntialiasMode
 
 enum wxInterpolationQuality
 {
+    // default interpolation
+    wxINTERPOLATION_DEFAULT,
     // no interpolation
-    wxINTERPOLATION_NONE, // should be 0
+    wxINTERPOLATION_NONE, 
     // fast interpolation, suited for interactivity
     wxINTERPOLATION_FAST,
     // better quality
@@ -47,6 +49,7 @@ enum wxCompositionMode
     // classic Porter-Duff compositions
     // http://keithp.com/~keithp/porterduff/p253-porter.pdf
 
+    wxCOMPOSITION_INVALID = -1, /* indicates invalid/unsupported mode */
     wxCOMPOSITION_CLEAR, /* R = 0 */
     wxCOMPOSITION_SOURCE, /* R = S */
     wxCOMPOSITION_OVER, /* R = S + D*(1 - Sa) */
@@ -62,7 +65,7 @@ enum wxCompositionMode
     wxCOMPOSITION_XOR, /* R = S*(1 - Da) + D*(1 - Sa) */
 
     // mathematical compositions
-    wxCOMPOSITION_ADD, /* R = S + D */
+    wxCOMPOSITION_ADD /* R = S + D */
 };
 
 class WXDLLIMPEXP_FWD_CORE wxWindowDC;
@@ -508,10 +511,10 @@ public:
     // sets the antialiasing mode, returns true if it supported
     virtual bool SetAntialiasMode(wxAntialiasMode antialias) = 0;
 
-    // returns the current interpolation mode
+    // returns the current interpolation quality
     virtual wxInterpolationQuality GetInterpolationQuality() const { return m_interpolation; }
     
-    // sets the interpolation mode, returns true if it supported
+    // sets the interpolation quality, returns true if it supported
     virtual bool SetInterpolationQuality(wxInterpolationQuality interpolation) = 0;
     
     // returns the current compositing operator