add canvas:clear to lua
BUG=skia:
TBR=
Review URL: https://codereview.chromium.org/648083002
diff --git a/src/utils/SkLua.cpp b/src/utils/SkLua.cpp
index 578166b..3dbcf8e 100644
--- a/src/utils/SkLua.cpp
+++ b/src/utils/SkLua.cpp
@@ -424,6 +424,11 @@
return rect;
}
+static int lcanvas_clear(lua_State* L) {
+ get_ref<SkCanvas>(L, 1)->clear(0);
+ return 0;
+}
+
static int lcanvas_drawColor(lua_State* L) {
get_ref<SkCanvas>(L, 1)->drawColor(lua2color(L, 2));
return 0;
@@ -455,7 +460,7 @@
if (lua_isnumber(L, index)) {
paint->setAlpha(SkScalarRoundToInt(lua2scalar(L, index) * 255));
return paint;
- } else {
+ } else if (lua_isuserdata(L, index)) {
const SkPaint* ptr = get_obj<SkPaint>(L, index);
if (ptr) {
*paint = *ptr;
@@ -623,6 +628,7 @@
}
const struct luaL_Reg gSkCanvas_Methods[] = {
+ { "clear", lcanvas_clear },
{ "drawColor", lcanvas_drawColor },
{ "drawRect", lcanvas_drawRect },
{ "drawOval", lcanvas_drawOval },