1/*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkLua_DEFINED
9#define SkLua_DEFINED
10
11#include "SkColor.h"
12#include "SkScalar.h"
13#include "SkString.h"
14
15struct lua_State;
16
17class SkCanvas;
18class SkMatrix;
19class SkPaint;
20class SkPath;
21struct SkRect;
22class SkRRect;
23
24#define SkScalarToLua(x)    SkScalarToDouble(x)
25#define SkLuaToScalar(x)    SkDoubleToScalar(x)
26
27class SkLua {
28public:
29    static void Load(lua_State*);
30
31    SkLua(const char termCode[] = NULL);    // creates a new L, will close it
32    SkLua(lua_State*);                      // uses L, will not close it
33    ~SkLua();
34
35    lua_State* get() const { return fL; }
36    lua_State* operator*() const { return fL; }
37    lua_State* operator->() const { return fL; }
38
39    bool runCode(const char code[]);
40    bool runCode(const void* code, size_t size);
41
42    void pushBool(bool, const char tableKey[] = NULL);
43    void pushString(const char[], const char tableKey[] = NULL);
44    void pushString(const char[], size_t len, const char tableKey[] = NULL);
45    void pushString(const SkString&, const char tableKey[] = NULL);
46    void pushArrayU16(const uint16_t[], int count, const char tableKey[] = NULL);
47    void pushColor(SkColor, const char tableKey[] = NULL);
48    void pushU32(uint32_t, const char tableKey[] = NULL);
49    void pushScalar(SkScalar, const char tableKey[] = NULL);
50    void pushRect(const SkRect&, const char tableKey[] = NULL);
51    void pushRRect(const SkRRect&, const char tableKey[] = NULL);
52    void pushMatrix(const SkMatrix&, const char tableKey[] = NULL);
53    void pushPaint(const SkPaint&, const char tableKey[] = NULL);
54    void pushPath(const SkPath&, const char tableKey[] = NULL);
55    void pushCanvas(SkCanvas*, const char tableKey[] = NULL);
56
57private:
58    lua_State*  fL;
59    SkString    fTermCode;
60    bool        fWeOwnL;
61};
62
63#endif
64