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| 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 #include "SkLuaCanvas.h" |
| 9 |
| 10 extern "C" { |
| 11 #include "lua.h" |
| 12 } |
| 13 |
| 14 void SkLuaCanvas::sendverb(const char str[]) { |
| 15 lua_getglobal(fL, fFunc.c_str()); |
| 16 if (!lua_isfunction(fL, -1)) { |
| 17 int t = lua_type(fL, -1); |
| 18 SkDebugf("--- expected function %d\n", t); |
| 19 } |
| 20 lua_pushstring(fL, str); |
| 21 |
| 22 if (lua_pcall(fL, 1, 0, 0) != LUA_OK) { |
| 23 SkDebugf("lua err: %s\n", lua_tostring(fL, -1)); |
| 24 } |
| 25 lua_settop(fL, -1); |
| 26 } |
| 27 |
| 28 /////////////////////////////////////////////////////////////////////////////// |
| 29 |
| 30 static SkBitmap make_bm(int width, int height) { |
| 31 SkBitmap bm; |
| 32 bm.setConfig(SkBitmap::kNo_Config, width, height); |
| 33 return bm; |
| 34 } |
| 35 |
| 36 SkLuaCanvas::SkLuaCanvas(int width, int height, lua_State* L, const char func[]) |
| 37 : INHERITED(make_bm(width, height)) |
| 38 , fL(L) |
| 39 , fFunc(func) { |
| 40 } |
| 41 |
| 42 SkLuaCanvas::~SkLuaCanvas() {} |
| 43 |
| 44 int SkLuaCanvas::save(SaveFlags flags) { |
| 45 sendverb("save"); |
| 46 return this->INHERITED::save(flags); |
| 47 } |
| 48 |
| 49 int SkLuaCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint, |
| 50 SaveFlags flags) { |
| 51 sendverb("saveLayer"); |
| 52 return this->INHERITED::save(flags); |
| 53 } |
| 54 |
| 55 void SkLuaCanvas::restore() { |
| 56 sendverb("restore"); |
| 57 this->INHERITED::restore(); |
| 58 } |
| 59 |
| 60 bool SkLuaCanvas::translate(SkScalar dx, SkScalar dy) { |
| 61 sendverb("translate"); |
| 62 return this->INHERITED::translate(dx, dy); |
| 63 } |
| 64 |
| 65 bool SkLuaCanvas::scale(SkScalar sx, SkScalar sy) { |
| 66 sendverb("scale"); |
| 67 return this->INHERITED::scale(sx, sy); |
| 68 } |
| 69 |
| 70 bool SkLuaCanvas::rotate(SkScalar degrees) { |
| 71 sendverb("rotate"); |
| 72 return this->INHERITED::rotate(degrees); |
| 73 } |
| 74 |
| 75 bool SkLuaCanvas::skew(SkScalar sx, SkScalar sy) { |
| 76 sendverb("skew"); |
| 77 return this->INHERITED::skew(sx, sy); |
| 78 } |
| 79 |
| 80 bool SkLuaCanvas::concat(const SkMatrix& matrix) { |
| 81 sendverb("concat"); |
| 82 return this->INHERITED::concat(matrix); |
| 83 } |
| 84 |
| 85 void SkLuaCanvas::setMatrix(const SkMatrix& matrix) { |
| 86 this->INHERITED::setMatrix(matrix); |
| 87 } |
| 88 |
| 89 bool SkLuaCanvas::clipRect(const SkRect& r, SkRegion::Op op, bool doAA) { |
| 90 sendverb("clipRect"); |
| 91 return this->INHERITED::clipRect(r, op, doAA); |
| 92 } |
| 93 |
| 94 bool SkLuaCanvas::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) { |
| 95 sendverb("clipRRect"); |
| 96 return this->INHERITED::clipRRect(rrect, op, doAA); |
| 97 } |
| 98 |
| 99 bool SkLuaCanvas::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) { |
| 100 sendverb("clipPath"); |
| 101 return this->INHERITED::clipPath(path, op, doAA); |
| 102 } |
| 103 |
| 104 bool SkLuaCanvas::clipRegion(const SkRegion& deviceRgn, SkRegion::Op op) { |
| 105 sendverb("clipRegion"); |
| 106 return this->INHERITED::clipRegion(deviceRgn, op); |
| 107 } |
| 108 |
| 109 void SkLuaCanvas::drawPaint(const SkPaint& paint) { |
| 110 sendverb("drawPaint"); |
| 111 } |
| 112 |
| 113 void SkLuaCanvas::drawPoints(PointMode mode, size_t count, |
| 114 const SkPoint pts[], const SkPaint& paint) { |
| 115 sendverb("drawPoints"); |
| 116 } |
| 117 |
| 118 void SkLuaCanvas::drawOval(const SkRect& rect, const SkPaint& paint) { |
| 119 sendverb("drawOval"); |
| 120 } |
| 121 |
| 122 void SkLuaCanvas::drawRect(const SkRect& rect, const SkPaint& paint) { |
| 123 sendverb("drawRect"); |
| 124 } |
| 125 |
| 126 void SkLuaCanvas::drawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| 127 sendverb("drawRRect"); |
| 128 } |
| 129 |
| 130 void SkLuaCanvas::drawPath(const SkPath& path, const SkPaint& paint) { |
| 131 sendverb("drawPath"); |
| 132 } |
| 133 |
| 134 void SkLuaCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y, |
| 135 const SkPaint* paint) { |
| 136 sendverb("drawBitmap"); |
| 137 } |
| 138 |
| 139 void SkLuaCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src
, |
| 140 const SkRect& dst, const SkPaint* paint) { |
| 141 sendverb("drawBitmapRectToRect"); |
| 142 } |
| 143 |
| 144 void SkLuaCanvas::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& m, |
| 145 const SkPaint* paint) { |
| 146 sendverb("drawBitmapMatrix"); |
| 147 } |
| 148 |
| 149 void SkLuaCanvas::drawSprite(const SkBitmap& bitmap, int x, int y, |
| 150 const SkPaint* paint) { |
| 151 sendverb("drawSprite"); |
| 152 } |
| 153 |
| 154 void SkLuaCanvas::drawText(const void* text, size_t byteLength, SkScalar x, |
| 155 SkScalar y, const SkPaint& paint) { |
| 156 sendverb("drawText"); |
| 157 } |
| 158 |
| 159 void SkLuaCanvas::drawPosText(const void* text, size_t byteLength, |
| 160 const SkPoint pos[], const SkPaint& paint) { |
| 161 sendverb("drawPosText"); |
| 162 } |
| 163 |
| 164 void SkLuaCanvas::drawPosTextH(const void* text, size_t byteLength, |
| 165 const SkScalar xpos[], SkScalar constY, |
| 166 const SkPaint& paint) { |
| 167 sendverb("drawPosTextH"); |
| 168 } |
| 169 |
| 170 void SkLuaCanvas::drawTextOnPath(const void* text, size_t byteLength, |
| 171 const SkPath& path, const SkMatrix* matrix, |
| 172 const SkPaint& paint) { |
| 173 sendverb("drawTextOnPath"); |
| 174 } |
| 175 |
| 176 void SkLuaCanvas::drawPicture(SkPicture& picture) { |
| 177 sendverb("drawPicture"); |
| 178 // call through so we can see the nested picture ops |
| 179 this->INHERITED::drawPicture(picture); |
| 180 } |
| 181 |
| 182 void SkLuaCanvas::drawVertices(VertexMode vmode, int vertexCount, |
| 183 const SkPoint vertices[], const SkPoint texs[], |
| 184 const SkColor colors[], SkXfermode* xmode, |
| 185 const uint16_t indices[], int indexCount, |
| 186 const SkPaint& paint) { |
| 187 sendverb("drawVertices"); |
| 188 } |
| 189 |
| 190 void SkLuaCanvas::drawData(const void* data, size_t length) { |
| 191 sendverb("drawData"); |
| 192 } |
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