Revert[8] "replace SkXfermode obj with SkBlendMode enum in paints"

src/utils/SkLua.cpp

Index: src/utils/SkLua.cpp
diff --git a/src/utils/SkLua.cpp b/src/utils/SkLua.cpp
index e80708c71ce58d2179a5c7b7b866a934c92a4caa..ba311af61ca362078adcff1068c886ad94b405ae 100644
--- a/src/utils/SkLua.cpp
+++ b/src/utils/SkLua.cpp
@@ -28,7 +28,6 @@
 #include "SkSurface.h"
 #include "SkTextBlob.h"
 #include "SkTypeface.h"
-#include "SkXfermode.h"
 
 extern "C" {
     #include "lua.h"
@@ -59,7 +58,6 @@ DEF_MTNAME(SkShader)
 DEF_MTNAME(SkSurface)
 DEF_MTNAME(SkTextBlob)
 DEF_MTNAME(SkTypeface)
-DEF_MTNAME(SkXfermode)
 
 template <typename T> T* push_new(lua_State* L) {
     T* addr = (T*)lua_newuserdata(L, sizeof(T));
@@ -1073,26 +1071,9 @@ static int lpaint_getEffects(lua_State* L) {
     setfield_bool_if(L, "shader",      !!paint->getShader());
     setfield_bool_if(L, "colorFilter", !!paint->getColorFilter());
     setfield_bool_if(L, "imageFilter", !!paint->getImageFilter());
-    setfield_bool_if(L, "xfermode",    !!paint->getXfermode());
     return 1;
 }
 
-static int lpaint_getXfermode(lua_State* L) {
-    const SkPaint* paint = get_obj<SkPaint>(L, 1);
-    SkXfermode* xfermode = paint->getXfermode();
-    if (xfermode) {
-        push_ref(L, xfermode);
-        return 1;
-    }
-    return 0;
-}
-
-static int lpaint_setXfermode(lua_State* L) {
-    SkPaint* paint = get_obj<SkPaint>(L, 1);
-    paint->setXfermode(sk_ref_sp(get_ref<SkXfermode>(L, 2)));
-    return 0;
-}
-
 static int lpaint_getColorFilter(lua_State* L) {
     const SkPaint* paint = get_obj<SkPaint>(L, 1);
     SkColorFilter* cf = paint->getColorFilter();
@@ -1217,8 +1198,6 @@ static const struct luaL_Reg gSkPaint_Methods[] = {
     { "setColorFilter", lpaint_setColorFilter },
     { "getImageFilter", lpaint_getImageFilter },
     { "setImageFilter", lpaint_setImageFilter },
-    { "getXfermode", lpaint_getXfermode },
-    { "setXfermode", lpaint_setXfermode },
     { "getShader", lpaint_getShader },
     { "setShader", lpaint_setShader },
     { "getPathEffect", lpaint_getPathEffect },
@@ -1341,24 +1320,6 @@ static const struct luaL_Reg gSkPathEffect_Methods[] = {
 
 ///////////////////////////////////////////////////////////////////////////////
 
-static int lpxfermode_getTypeName(lua_State* L) {
-    lua_pushstring(L, get_ref<SkXfermode>(L, 1)->getTypeName());
-    return 1;
-}
-
-static int lpxfermode_gc(lua_State* L) {
-    get_ref<SkXfermode>(L, 1)->unref();
-    return 0;
-}
-
-static const struct luaL_Reg gSkXfermode_Methods[] = {
-    { "getTypeName",    lpxfermode_getTypeName },
-    { "__gc",           lpxfermode_gc },
-    { nullptr, nullptr }
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
 static int lpcolorfilter_gc(lua_State* L) {
     get_ref<SkColorFilter>(L, 1)->unref();
     return 0;
@@ -2178,7 +2139,6 @@ void SkLua::Load(lua_State* L) {
     REG_CLASS(L, SkSurface);
     REG_CLASS(L, SkTextBlob);
     REG_CLASS(L, SkTypeface);
-    REG_CLASS(L, SkXfermode);
 }
 
 extern "C" int luaopen_skia(lua_State* L);