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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
3 * | 3 * |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 * | 7 * |
8 */ | 8 */ |
9 | 9 |
10 #include "Path2D.h" | 10 #include "Path2D.h" |
11 #include "Global.h" | 11 #include "Global.h" |
12 | 12 |
13 Global* Path2D::gGlobal = NULL; | 13 Global* Path2D::gGlobal = NULL; |
14 | 14 |
15 void Path2D::ConstructPath(const v8::FunctionCallbackInfo<Value>& args) { | 15 void Path2D::ConstructPath(const v8::FunctionCallbackInfo<v8::Value>& args) { |
16 HandleScope handleScope(gGlobal->getIsolate()); | 16 v8::HandleScope handleScope(gGlobal->getIsolate()); |
17 Path2D* path = new Path2D(); | 17 Path2D* path = new Path2D(); |
18 args.This()->SetInternalField( | 18 args.This()->SetInternalField( |
19 0, External::New(gGlobal->getIsolate(), path)); | 19 0, v8::External::New(gGlobal->getIsolate(), path)); |
20 } | 20 } |
21 | 21 |
22 #define ADD_METHOD(name, fn) \ | 22 #define ADD_METHOD(name, fn) \ |
23 constructor->InstanceTemplate()->Set( \ | 23 constructor->InstanceTemplate()->Set( \ |
24 String::NewFromUtf8( \ | 24 v8::String::NewFromUtf8( \ |
25 global->getIsolate(), name, \ | 25 global->getIsolate(), name, \ |
26 String::kInternalizedString), \ | 26 v8::String::kInternalizedString), \ |
27 FunctionTemplate::New(global->getIsolate(), fn)) | 27 v8::FunctionTemplate::New(global->getIsolate(), fn)) |
28 | 28 |
29 // Install the constructor in the global scope so Path2Ds can be constructed | 29 // Install the constructor in the global scope so Path2Ds can be constructed |
30 // in JS. | 30 // in JS. |
31 void Path2D::AddToGlobal(Global* global) { | 31 void Path2D::AddToGlobal(Global* global) { |
32 gGlobal = global; | 32 gGlobal = global; |
33 | 33 |
34 // Create a stack-allocated handle scope. | 34 // Create a stack-allocated handle scope. |
35 HandleScope handleScope(gGlobal->getIsolate()); | 35 v8::HandleScope handleScope(gGlobal->getIsolate()); |
36 | 36 |
37 Handle<Context> context = gGlobal->getContext(); | 37 v8::Handle<v8::Context> context = gGlobal->getContext(); |
38 | 38 |
39 // Enter the scope so all operations take place in the scope. | 39 // Enter the scope so all operations take place in the scope. |
40 Context::Scope contextScope(context); | 40 v8::Context::Scope contextScope(context); |
41 | 41 |
42 Local<FunctionTemplate> constructor = FunctionTemplate::New( | 42 v8::Local<v8::FunctionTemplate> constructor = v8::FunctionTemplate::New( |
43 gGlobal->getIsolate(), Path2D::ConstructPath); | 43 gGlobal->getIsolate(), Path2D::ConstructPath); |
44 constructor->InstanceTemplate()->SetInternalFieldCount(1); | 44 constructor->InstanceTemplate()->SetInternalFieldCount(1); |
45 | 45 |
46 ADD_METHOD("closePath", ClosePath); | 46 ADD_METHOD("closePath", ClosePath); |
47 ADD_METHOD("moveTo", MoveTo); | 47 ADD_METHOD("moveTo", MoveTo); |
48 ADD_METHOD("lineTo", LineTo); | 48 ADD_METHOD("lineTo", LineTo); |
49 ADD_METHOD("quadraticCurveTo", QuadraticCurveTo); | 49 ADD_METHOD("quadraticCurveTo", QuadraticCurveTo); |
50 ADD_METHOD("bezierCurveTo", BezierCurveTo); | 50 ADD_METHOD("bezierCurveTo", BezierCurveTo); |
51 ADD_METHOD("arc", Arc); | 51 ADD_METHOD("arc", Arc); |
52 ADD_METHOD("rect", Rect); | 52 ADD_METHOD("rect", Rect); |
53 ADD_METHOD("oval", Oval); | 53 ADD_METHOD("oval", Oval); |
54 ADD_METHOD("conicTo", ConicTo); | 54 ADD_METHOD("conicTo", ConicTo); |
55 | 55 |
56 context->Global()->Set(String::NewFromUtf8( | 56 context->Global()->Set(v8::String::NewFromUtf8( |
57 gGlobal->getIsolate(), "Path2D"), constructor->GetFunction()); | 57 gGlobal->getIsolate(), "Path2D"), constructor->GetFunction()); |
58 } | 58 } |
59 | 59 |
60 Path2D* Path2D::Unwrap(const v8::FunctionCallbackInfo<Value>& args) { | 60 Path2D* Path2D::Unwrap(const v8::FunctionCallbackInfo<v8::Value>& args) { |
61 Handle<External> field = Handle<External>::Cast( | 61 v8::Handle<v8::External> field = v8::Handle<v8::External>::Cast( |
62 args.This()->GetInternalField(0)); | 62 args.This()->GetInternalField(0)); |
63 void* ptr = field->Value(); | 63 void* ptr = field->Value(); |
64 return static_cast<Path2D*>(ptr); | 64 return static_cast<Path2D*>(ptr); |
65 } | 65 } |
66 | 66 |
67 void Path2D::ClosePath(const v8::FunctionCallbackInfo<Value>& args) { | 67 void Path2D::ClosePath(const v8::FunctionCallbackInfo<v8::Value>& args) { |
68 Path2D* path = Unwrap(args); | 68 Path2D* path = Unwrap(args); |
69 path->fSkPath.close(); | 69 path->fSkPath.close(); |
70 } | 70 } |
71 | 71 |
72 void Path2D::MoveTo(const v8::FunctionCallbackInfo<Value>& args) { | 72 void Path2D::MoveTo(const v8::FunctionCallbackInfo<v8::Value>& args) { |
73 if (args.Length() != 2) { | 73 if (args.Length() != 2) { |
74 args.GetIsolate()->ThrowException( | 74 args.GetIsolate()->ThrowException( |
75 v8::String::NewFromUtf8( | 75 v8::String::NewFromUtf8( |
76 args.GetIsolate(), "Error: 2 arguments required.")); | 76 args.GetIsolate(), "Error: 2 arguments required.")); |
77 return; | 77 return; |
78 } | 78 } |
79 double x = args[0]->NumberValue(); | 79 double x = args[0]->NumberValue(); |
80 double y = args[1]->NumberValue(); | 80 double y = args[1]->NumberValue(); |
81 Path2D* path = Unwrap(args); | 81 Path2D* path = Unwrap(args); |
82 path->fSkPath.moveTo(SkDoubleToScalar(x), SkDoubleToScalar(y)); | 82 path->fSkPath.moveTo(SkDoubleToScalar(x), SkDoubleToScalar(y)); |
83 } | 83 } |
84 | 84 |
85 void Path2D::LineTo(const v8::FunctionCallbackInfo<Value>& args) { | 85 void Path2D::LineTo(const v8::FunctionCallbackInfo<v8::Value>& args) { |
86 if (args.Length() != 2) { | 86 if (args.Length() != 2) { |
87 args.GetIsolate()->ThrowException( | 87 args.GetIsolate()->ThrowException( |
88 v8::String::NewFromUtf8( | 88 v8::String::NewFromUtf8( |
89 args.GetIsolate(), "Error: 2 arguments required.")); | 89 args.GetIsolate(), "Error: 2 arguments required.")); |
90 return; | 90 return; |
91 } | 91 } |
92 double x = args[0]->NumberValue(); | 92 double x = args[0]->NumberValue(); |
93 double y = args[1]->NumberValue(); | 93 double y = args[1]->NumberValue(); |
94 Path2D* path = Unwrap(args); | 94 Path2D* path = Unwrap(args); |
95 path->fSkPath.lineTo(SkDoubleToScalar(x), SkDoubleToScalar(y)); | 95 path->fSkPath.lineTo(SkDoubleToScalar(x), SkDoubleToScalar(y)); |
96 } | 96 } |
97 | 97 |
98 void Path2D::QuadraticCurveTo(const v8::FunctionCallbackInfo<Value>& args) { | 98 void Path2D::QuadraticCurveTo(const v8::FunctionCallbackInfo<v8::Value>& args) { |
99 if (args.Length() != 4) { | 99 if (args.Length() != 4) { |
100 args.GetIsolate()->ThrowException( | 100 args.GetIsolate()->ThrowException( |
101 v8::String::NewFromUtf8( | 101 v8::String::NewFromUtf8( |
102 args.GetIsolate(), "Error: 4 arguments required.")); | 102 args.GetIsolate(), "Error: 4 arguments required.")); |
103 return; | 103 return; |
104 } | 104 } |
105 double cpx = args[0]->NumberValue(); | 105 double cpx = args[0]->NumberValue(); |
106 double cpy = args[1]->NumberValue(); | 106 double cpy = args[1]->NumberValue(); |
107 double x = args[2]->NumberValue(); | 107 double x = args[2]->NumberValue(); |
108 double y = args[3]->NumberValue(); | 108 double y = args[3]->NumberValue(); |
109 Path2D* path = Unwrap(args); | 109 Path2D* path = Unwrap(args); |
110 // TODO(jcgregorio) Doesn't handle the empty last path case correctly per | 110 // TODO(jcgregorio) Doesn't handle the empty last path case correctly per |
111 // the HTML 5 spec. | 111 // the HTML 5 spec. |
112 path->fSkPath.quadTo( | 112 path->fSkPath.quadTo( |
113 SkDoubleToScalar(cpx), SkDoubleToScalar(cpy), | 113 SkDoubleToScalar(cpx), SkDoubleToScalar(cpy), |
114 SkDoubleToScalar(x), SkDoubleToScalar(y)); | 114 SkDoubleToScalar(x), SkDoubleToScalar(y)); |
115 } | 115 } |
116 | 116 |
117 void Path2D::BezierCurveTo(const v8::FunctionCallbackInfo<Value>& args) { | 117 void Path2D::BezierCurveTo(const v8::FunctionCallbackInfo<v8::Value>& args) { |
118 if (args.Length() != 6) { | 118 if (args.Length() != 6) { |
119 args.GetIsolate()->ThrowException( | 119 args.GetIsolate()->ThrowException( |
120 v8::String::NewFromUtf8( | 120 v8::String::NewFromUtf8( |
121 args.GetIsolate(), "Error: 6 arguments required.")); | 121 args.GetIsolate(), "Error: 6 arguments required.")); |
122 return; | 122 return; |
123 } | 123 } |
124 double cp1x = args[0]->NumberValue(); | 124 double cp1x = args[0]->NumberValue(); |
125 double cp1y = args[1]->NumberValue(); | 125 double cp1y = args[1]->NumberValue(); |
126 double cp2x = args[2]->NumberValue(); | 126 double cp2x = args[2]->NumberValue(); |
127 double cp2y = args[3]->NumberValue(); | 127 double cp2y = args[3]->NumberValue(); |
128 double x = args[4]->NumberValue(); | 128 double x = args[4]->NumberValue(); |
129 double y = args[5]->NumberValue(); | 129 double y = args[5]->NumberValue(); |
130 Path2D* path = Unwrap(args); | 130 Path2D* path = Unwrap(args); |
131 // TODO(jcgregorio) Doesn't handle the empty last path case correctly per | 131 // TODO(jcgregorio) Doesn't handle the empty last path case correctly per |
132 // the HTML 5 spec. | 132 // the HTML 5 spec. |
133 path->fSkPath.cubicTo( | 133 path->fSkPath.cubicTo( |
134 SkDoubleToScalar(cp1x), SkDoubleToScalar(cp1y), | 134 SkDoubleToScalar(cp1x), SkDoubleToScalar(cp1y), |
135 SkDoubleToScalar(cp2x), SkDoubleToScalar(cp2y), | 135 SkDoubleToScalar(cp2x), SkDoubleToScalar(cp2y), |
136 SkDoubleToScalar(x), SkDoubleToScalar(y)); | 136 SkDoubleToScalar(x), SkDoubleToScalar(y)); |
137 } | 137 } |
138 | 138 |
139 void Path2D::Arc(const v8::FunctionCallbackInfo<Value>& args) { | 139 void Path2D::Arc(const v8::FunctionCallbackInfo<v8::Value>& args) { |
140 if (args.Length() != 5 && args.Length() != 6) { | 140 if (args.Length() != 5 && args.Length() != 6) { |
141 args.GetIsolate()->ThrowException( | 141 args.GetIsolate()->ThrowException( |
142 v8::String::NewFromUtf8( | 142 v8::String::NewFromUtf8( |
143 args.GetIsolate(), "Error: 5 or 6 args required.")); | 143 args.GetIsolate(), "Error: 5 or 6 args required.")); |
144 return; | 144 return; |
145 } | 145 } |
146 double x = args[0]->NumberValue(); | 146 double x = args[0]->NumberValue(); |
147 double y = args[1]->NumberValue(); | 147 double y = args[1]->NumberValue(); |
148 double radius = args[2]->NumberValue(); | 148 double radius = args[2]->NumberValue(); |
149 double startAngle = args[3]->NumberValue(); | 149 double startAngle = args[3]->NumberValue(); |
(...skipping 15 matching lines...) Expand all Loading... |
165 SkDoubleToScalar(x-radius), | 165 SkDoubleToScalar(x-radius), |
166 SkDoubleToScalar(y-radius), | 166 SkDoubleToScalar(y-radius), |
167 SkDoubleToScalar(x+radius), | 167 SkDoubleToScalar(x+radius), |
168 SkDoubleToScalar(y+radius) | 168 SkDoubleToScalar(y+radius) |
169 }; | 169 }; |
170 | 170 |
171 path->fSkPath.addArc(rect, SkRadiansToDegrees(startAngle), | 171 path->fSkPath.addArc(rect, SkRadiansToDegrees(startAngle), |
172 SkRadiansToDegrees(sweepAngle)); | 172 SkRadiansToDegrees(sweepAngle)); |
173 } | 173 } |
174 | 174 |
175 void Path2D::Rect(const v8::FunctionCallbackInfo<Value>& args) { | 175 void Path2D::Rect(const v8::FunctionCallbackInfo<v8::Value>& args) { |
176 if (args.Length() != 4) { | 176 if (args.Length() != 4) { |
177 args.GetIsolate()->ThrowException( | 177 args.GetIsolate()->ThrowException( |
178 v8::String::NewFromUtf8( | 178 v8::String::NewFromUtf8( |
179 args.GetIsolate(), "Error: 4 arguments required.")); | 179 args.GetIsolate(), "Error: 4 arguments required.")); |
180 return; | 180 return; |
181 } | 181 } |
182 double x = args[0]->NumberValue(); | 182 double x = args[0]->NumberValue(); |
183 double y = args[1]->NumberValue(); | 183 double y = args[1]->NumberValue(); |
184 double w = args[2]->NumberValue(); | 184 double w = args[2]->NumberValue(); |
185 double h = args[3]->NumberValue(); | 185 double h = args[3]->NumberValue(); |
186 | 186 |
187 SkRect rect = { | 187 SkRect rect = { |
188 SkDoubleToScalar(x), | 188 SkDoubleToScalar(x), |
189 SkDoubleToScalar(y), | 189 SkDoubleToScalar(y), |
190 SkDoubleToScalar(x) + SkDoubleToScalar(w), | 190 SkDoubleToScalar(x) + SkDoubleToScalar(w), |
191 SkDoubleToScalar(y) + SkDoubleToScalar(h) | 191 SkDoubleToScalar(y) + SkDoubleToScalar(h) |
192 }; | 192 }; |
193 Path2D* path = Unwrap(args); | 193 Path2D* path = Unwrap(args); |
194 path->fSkPath.addRect(rect); | 194 path->fSkPath.addRect(rect); |
195 } | 195 } |
196 | 196 |
197 void Path2D::Oval(const v8::FunctionCallbackInfo<Value>& args) { | 197 void Path2D::Oval(const v8::FunctionCallbackInfo<v8::Value>& args) { |
198 if (args.Length() != 4 && args.Length() != 5) { | 198 if (args.Length() != 4 && args.Length() != 5) { |
199 args.GetIsolate()->ThrowException( | 199 args.GetIsolate()->ThrowException( |
200 v8::String::NewFromUtf8( | 200 v8::String::NewFromUtf8( |
201 args.GetIsolate(), "Error: 4 or 5 args required.")); | 201 args.GetIsolate(), "Error: 4 or 5 args required.")); |
202 return; | 202 return; |
203 } | 203 } |
204 double x = args[0]->NumberValue(); | 204 double x = args[0]->NumberValue(); |
205 double y = args[1]->NumberValue(); | 205 double y = args[1]->NumberValue(); |
206 double radiusX = args[2]->NumberValue(); | 206 double radiusX = args[2]->NumberValue(); |
207 double radiusY = args[3]->NumberValue(); | 207 double radiusY = args[3]->NumberValue(); |
208 SkPath::Direction dir = SkPath::kCW_Direction; | 208 SkPath::Direction dir = SkPath::kCW_Direction; |
209 if (args.Length() == 5 && !args[4]->BooleanValue()) { | 209 if (args.Length() == 5 && !args[4]->BooleanValue()) { |
210 dir = SkPath::kCCW_Direction; | 210 dir = SkPath::kCCW_Direction; |
211 } | 211 } |
212 Path2D* path = Unwrap(args); | 212 Path2D* path = Unwrap(args); |
213 SkRect rect = { | 213 SkRect rect = { |
214 SkDoubleToScalar(x-radiusX), | 214 SkDoubleToScalar(x-radiusX), |
215 SkDoubleToScalar(y-radiusX), | 215 SkDoubleToScalar(y-radiusX), |
216 SkDoubleToScalar(x+radiusY), | 216 SkDoubleToScalar(x+radiusY), |
217 SkDoubleToScalar(y+radiusY) | 217 SkDoubleToScalar(y+radiusY) |
218 }; | 218 }; |
219 | 219 |
220 path->fSkPath.addOval(rect, dir); | 220 path->fSkPath.addOval(rect, dir); |
221 } | 221 } |
222 | 222 |
223 void Path2D::ConicTo(const v8::FunctionCallbackInfo<Value>& args) { | 223 void Path2D::ConicTo(const v8::FunctionCallbackInfo<v8::Value>& args) { |
224 if (args.Length() != 5) { | 224 if (args.Length() != 5) { |
225 args.GetIsolate()->ThrowException( | 225 args.GetIsolate()->ThrowException( |
226 v8::String::NewFromUtf8( | 226 v8::String::NewFromUtf8( |
227 args.GetIsolate(), "Error: 5 args required.")); | 227 args.GetIsolate(), "Error: 5 args required.")); |
228 return; | 228 return; |
229 } | 229 } |
230 double x1 = args[0]->NumberValue(); | 230 double x1 = args[0]->NumberValue(); |
231 double y1 = args[1]->NumberValue(); | 231 double y1 = args[1]->NumberValue(); |
232 double x2 = args[2]->NumberValue(); | 232 double x2 = args[2]->NumberValue(); |
233 double y2 = args[3]->NumberValue(); | 233 double y2 = args[3]->NumberValue(); |
234 double w = args[4]->NumberValue(); | 234 double w = args[4]->NumberValue(); |
235 Path2D* path = Unwrap(args); | 235 Path2D* path = Unwrap(args); |
236 | 236 |
237 path->fSkPath.conicTo( | 237 path->fSkPath.conicTo( |
238 SkDoubleToScalar(x1), | 238 SkDoubleToScalar(x1), |
239 SkDoubleToScalar(y1), | 239 SkDoubleToScalar(y1), |
240 SkDoubleToScalar(x2), | 240 SkDoubleToScalar(x2), |
241 SkDoubleToScalar(y2), | 241 SkDoubleToScalar(y2), |
242 SkDoubleToScalar(w) | 242 SkDoubleToScalar(w) |
243 ); | 243 ); |
244 } | 244 } |
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