add more stats to the bitmap matrix locator

src/utils/SkLua.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLua.h"
 #include "SkCanvas.h"
 #include "SkData.h"
@@ skipping 646 matching lines @@
     SkMatrix::TypeMask mask = get_obj<SkMatrix>(L, 1)->getType();
 
     lua_newtable(L);
     setfield_boolean(L, "translate",   SkToBool(mask & SkMatrix::kTranslate_Mask));
     setfield_boolean(L, "scale",       SkToBool(mask & SkMatrix::kScale_Mask));
     setfield_boolean(L, "affine",      SkToBool(mask & SkMatrix::kAffine_Mask));
     setfield_boolean(L, "perspective", SkToBool(mask & SkMatrix::kPerspective_Mask));
     return 1;
 }
 
+static int lmatrix_getScaleX(lua_State* L) {
+    lua_pushnumber(L, get_obj<SkMatrix>(L,1)->getScaleX());
+    return 1;
+}
+
+static int lmatrix_getScaleY(lua_State* L) {
+    lua_pushnumber(L, get_obj<SkMatrix>(L,1)->getScaleY());
+    return 1;
+}
+
+static int lmatrix_getTranslateX(lua_State* L) {
+    lua_pushnumber(L, get_obj<SkMatrix>(L,1)->getTranslateX());
+    return 1;
+}
+
+static int lmatrix_getTranslateY(lua_State* L) {
+    lua_pushnumber(L, get_obj<SkMatrix>(L,1)->getTranslateY());
+    return 1;
+}
+
 static const struct luaL_Reg gSkMatrix_Methods[] = {
     { "getType", lmatrix_getType },
+    { "getScaleX", lmatrix_getScaleX },
+    { "getScaleY", lmatrix_getScaleY },
+    { "getTranslateX", lmatrix_getTranslateX },
+    { "getTranslateY", lmatrix_getTranslateY },
     { NULL, NULL }
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static int lpath_getBounds(lua_State* L) {
     SkLua(L).pushRect(get_obj<SkPath>(L, 1)->getBounds());
     return 1;
 }
 
@@ skipping 316 matching lines @@
     REG_CLASS(L, SkRRect);
     REG_CLASS(L, SkTypeface);
     REG_CLASS(L, SkMatrix);
 }
 
 extern "C" int luaopen_skia(lua_State* L);
 extern "C" int luaopen_skia(lua_State* L) {
     SkLua::Load(L);
     return 0;
 }