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Side by Side Diff: experimental/SkV8Example/JsContext.cpp

Issue 177963005: Rename Path to Path2D (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 9 months ago
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1 1
2 /* 2 /*
3 * Copyright 2013 Google Inc. 3 * Copyright 2013 Google Inc.
4 * 4 *
5 * 5 *
6 * Use of this source code is governed by a BSD-style license that can be 6 * Use of this source code is governed by a BSD-style license that can be
7 * found in the LICENSE file. 7 * found in the LICENSE file.
8 * 8 *
9 */ 9 */
10 #include <v8.h> 10 #include <v8.h>
11 11
12 using namespace v8; 12 using namespace v8;
13 13
14 #include "Global.h" 14 #include "Global.h"
15 #include "JsContext.h" 15 #include "JsContext.h"
16 #include "Path.h" 16 #include "Path2D.h"
17 #include "SkCanvas.h" 17 #include "SkCanvas.h"
18 18
19 19
20 // Extracts a C string from a V8 Utf8Value. 20 // Extracts a C string from a V8 Utf8Value.
21 // TODO(jcgregrio) Currently dup'd in two files, fix. 21 // TODO(jcgregrio) Currently dup'd in two files, fix.
22 static const char* to_cstring(const v8::String::Utf8Value& value) { 22 static const char* to_cstring(const v8::String::Utf8Value& value) {
23 return *value ? *value : "<string conversion failed>"; 23 return *value ? *value : "<string conversion failed>";
24 } 24 }
25 25
26 JsContext* JsContext::Unwrap(Handle<Object> obj) { 26 JsContext* JsContext::Unwrap(Handle<Object> obj) {
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112 if (args.Length() != 1) { 112 if (args.Length() != 1) {
113 args.GetIsolate()->ThrowException( 113 args.GetIsolate()->ThrowException(
114 v8::String::NewFromUtf8( 114 v8::String::NewFromUtf8(
115 args.GetIsolate(), "Error: 1 arguments required.")); 115 args.GetIsolate(), "Error: 1 arguments required."));
116 return; 116 return;
117 } 117 }
118 118
119 Handle<External> field = Handle<External>::Cast( 119 Handle<External> field = Handle<External>::Cast(
120 args[0]->ToObject()->GetInternalField(0)); 120 args[0]->ToObject()->GetInternalField(0));
121 void* ptr = field->Value(); 121 void* ptr = field->Value();
122 Path* path = static_cast<Path*>(ptr); 122 Path2D* path = static_cast<Path2D*>(ptr);
123 123
124 canvas->drawPath(path->getSkPath(), jsContext->fStrokeStyle); 124 canvas->drawPath(path->getSkPath(), jsContext->fStrokeStyle);
125 } 125 }
126 126
127 void JsContext::Fill(const v8::FunctionCallbackInfo<Value>& args) { 127 void JsContext::Fill(const v8::FunctionCallbackInfo<Value>& args) {
128 JsContext* jsContext = Unwrap(args.This()); 128 JsContext* jsContext = Unwrap(args.This());
129 SkCanvas* canvas = jsContext->fCanvas; 129 SkCanvas* canvas = jsContext->fCanvas;
130 130
131 if (args.Length() != 1) { 131 if (args.Length() != 1) {
132 args.GetIsolate()->ThrowException( 132 args.GetIsolate()->ThrowException(
133 v8::String::NewFromUtf8( 133 v8::String::NewFromUtf8(
134 args.GetIsolate(), "Error: 1 arguments required.")); 134 args.GetIsolate(), "Error: 1 arguments required."));
135 return; 135 return;
136 } 136 }
137 137
138 Handle<External> field = Handle<External>::Cast( 138 Handle<External> field = Handle<External>::Cast(
139 args[0]->ToObject()->GetInternalField(0)); 139 args[0]->ToObject()->GetInternalField(0));
140 void* ptr = field->Value(); 140 void* ptr = field->Value();
141 Path* path = static_cast<Path*>(ptr); 141 Path2D* path = static_cast<Path2D*>(ptr);
142 142
143 canvas->drawPath(path->getSkPath(), jsContext->fFillStyle); 143 canvas->drawPath(path->getSkPath(), jsContext->fFillStyle);
144 } 144 }
145 145
146 void JsContext::GetStyle(Local<String> name, 146 void JsContext::GetStyle(Local<String> name,
147 const PropertyCallbackInfo<Value>& info, 147 const PropertyCallbackInfo<Value>& info,
148 const SkPaint& style) { 148 const SkPaint& style) {
149 char buf[8]; 149 char buf[8];
150 SkColor color = style.getColor(); 150 SkColor color = style.getColor();
151 sprintf(buf, "#%02X%02X%02X", SkColorGetR(color), SkColorGetG(color), 151 sprintf(buf, "#%02X%02X%02X", SkColorGetR(color), SkColorGetG(color),
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374 374
375 // It is a function; cast it to a Function. 375 // It is a function; cast it to a Function.
376 Handle<Function> fn_fun = Handle<Function>::Cast(fn_val); 376 Handle<Function> fn_fun = Handle<Function>::Cast(fn_val);
377 377
378 // Store the function in a Persistent handle, since we also want that to 378 // Store the function in a Persistent handle, since we also want that to
379 // remain after this call returns. 379 // remain after this call returns.
380 fOnDraw.Reset(fGlobal->getIsolate(), fn_fun); 380 fOnDraw.Reset(fGlobal->getIsolate(), fn_fun);
381 381
382 return true; 382 return true;
383 } 383 }
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