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 "SkClipStack.h" 12 #include "SkColor.h" 13 #include "SkPathEffect.h" 14 #include "SkScalar.h" 15 #include "SkString.h" 16 17 struct lua_State; 18 19 class SkCanvas; 20 class SkMatrix; 21 class SkPaint; 22 class SkPath; 23 struct SkRect; 24 class SkRRect; 25 26 #define SkScalarToLua(x) SkScalarToDouble(x) 27 #define SkLuaToScalar(x) SkDoubleToScalar(x) 28 29 class SkLua { 30 public: 31 static void Load(lua_State*); 32 33 SkLua(const char termCode[] = NULL); // creates a new L, will close it 34 SkLua(lua_State*); // uses L, will not close it 35 ~SkLua(); 36 37 lua_State* get() const { return fL; } 38 lua_State* operator*() const { return fL; } 39 lua_State* operator->() const { return fL; } 40 41 bool runCode(const char code[]); 42 bool runCode(const void* code, size_t size); 43 44 void pushBool(bool, const char tableKey[] = NULL); 45 void pushString(const char[], const char tableKey[] = NULL); 46 void pushString(const char[], size_t len, const char tableKey[] = NULL); 47 void pushString(const SkString&, const char tableKey[] = NULL); 48 void pushArrayU16(const uint16_t[], int count, const char tableKey[] = NULL); 49 void pushArrayPoint(const SkPoint[], int count, const char key[] = NULL); 50 void pushArrayScalar(const SkScalar[], int count, const char key[] = NULL); 51 void pushColor(SkColor, const char tableKey[] = NULL); 52 void pushU32(uint32_t, const char tableKey[] = NULL); 53 void pushScalar(SkScalar, const char tableKey[] = NULL); 54 void pushRect(const SkRect&, const char tableKey[] = NULL); 55 void pushRRect(const SkRRect&, const char tableKey[] = NULL); 56 void pushDash(const SkPathEffect::DashInfo&, const char tableKey[] = NULL); 57 void pushMatrix(const SkMatrix&, const char tableKey[] = NULL); 58 void pushPaint(const SkPaint&, const char tableKey[] = NULL); 59 void pushPath(const SkPath&, const char tableKey[] = NULL); 60 void pushCanvas(SkCanvas*, const char tableKey[] = NULL); 61 void pushClipStack(const SkClipStack&, const char tableKey[] = NULL); 62 void pushClipStackElement(const SkClipStack::Element& element, const char tableKey[] = NULL); 63 64 // This SkCanvas lua methods is declared here to benefit from SkLua's friendship with SkCanvas. 65 static int lcanvas_getReducedClipStack(lua_State* L); 66 67 private: 68 lua_State* fL; 69 SkString fTermCode; 70 bool fWeOwnL; 71 }; 72 73 #endif 74
