1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "../../include/javascript/JavaScript.h"
8 #include "../../include/javascript/IJavaScript.h"
9 #include "../../include/javascript/JS_Define.h"
10 #include "../../include/javascript/JS_Object.h"
11 #include "../../include/javascript/JS_Value.h"
12 #include "../../include/javascript/color.h"
13 #include "../../include/javascript/JS_EventHandler.h"
14 #include "../../include/javascript/JS_Context.h"
15 #include "../../include/javascript/JS_Runtime.h"
16
GetIsolate(IFXJS_Context * cc)17 static v8::Isolate* GetIsolate(IFXJS_Context* cc)
18 {
19 CJS_Context* pContext = (CJS_Context *)cc;
20 ASSERT(pContext != NULL);
21
22 CJS_Runtime* pRuntime = pContext->GetJSRuntime();
23 ASSERT(pRuntime != NULL);
24
25 return pRuntime->GetIsolate();
26 }
27 /* -------------------------- color -------------------------- */
28
29 BEGIN_JS_STATIC_CONST(CJS_Color)
END_JS_STATIC_CONST()30 END_JS_STATIC_CONST()
31
32 BEGIN_JS_STATIC_PROP(CJS_Color)
33 JS_STATIC_PROP_ENTRY(black)
34 JS_STATIC_PROP_ENTRY(blue)
35 JS_STATIC_PROP_ENTRY(cyan)
36 JS_STATIC_PROP_ENTRY(dkGray)
37 JS_STATIC_PROP_ENTRY(gray)
38 JS_STATIC_PROP_ENTRY(green)
39 JS_STATIC_PROP_ENTRY(ltGray)
40 JS_STATIC_PROP_ENTRY(magenta)
41 JS_STATIC_PROP_ENTRY(red)
42 JS_STATIC_PROP_ENTRY(transparent)
43 JS_STATIC_PROP_ENTRY(white)
44 JS_STATIC_PROP_ENTRY(yellow)
45 END_JS_STATIC_PROP()
46
47 BEGIN_JS_STATIC_METHOD(CJS_Color)
48 JS_STATIC_METHOD_ENTRY(convert)
49 JS_STATIC_METHOD_ENTRY(equal)
50 END_JS_STATIC_METHOD()
51
52 IMPLEMENT_JS_CLASS(CJS_Color,color)
53
54 color::color(CJS_Object* pJSObject): CJS_EmbedObj(pJSObject)
55 {
56 m_crTransparent = CPWL_Color(COLORTYPE_TRANSPARENT);
57 m_crBlack = CPWL_Color(COLORTYPE_GRAY, 0);
58 m_crWhite = CPWL_Color(COLORTYPE_GRAY, 1);
59 m_crRed = CPWL_Color(COLORTYPE_RGB, 1, 0 ,0);
60 m_crGreen = CPWL_Color(COLORTYPE_RGB, 0, 1 ,0);
61 m_crBlue = CPWL_Color(COLORTYPE_RGB, 0, 0 ,1);
62 m_crCyan = CPWL_Color(COLORTYPE_CMYK, 1, 0 ,0, 0);
63 m_crMagenta = CPWL_Color(COLORTYPE_CMYK, 0, 1 ,0, 0);
64 m_crYellow = CPWL_Color(COLORTYPE_CMYK, 0, 0 ,1, 0);
65 m_crDKGray = CPWL_Color(COLORTYPE_GRAY, 0.25);
66 m_crGray = CPWL_Color(COLORTYPE_GRAY, 0.5);
67 m_crLTGray = CPWL_Color(COLORTYPE_GRAY, 0.75);
68 }
69
~color(void)70 color::~color(void)
71 {
72 }
73
ConvertPWLColorToArray(const CPWL_Color & color,CJS_Array & array)74 void color::ConvertPWLColorToArray(const CPWL_Color& color, CJS_Array& array)
75 {
76 switch (color.nColorType)
77 {
78 case COLORTYPE_TRANSPARENT:
79 array.SetElement(0, CJS_Value(array.GetIsolate(), "T"));
80 break;
81 case COLORTYPE_GRAY:
82 array.SetElement(0, CJS_Value(array.GetIsolate(),"G"));
83 array.SetElement(1, CJS_Value(array.GetIsolate(),color.fColor1));
84 break;
85 case COLORTYPE_RGB:
86 array.SetElement(0, CJS_Value(array.GetIsolate(),"RGB"));
87 array.SetElement(1, CJS_Value(array.GetIsolate(),color.fColor1));
88 array.SetElement(2, CJS_Value(array.GetIsolate(),color.fColor2));
89 array.SetElement(3, CJS_Value(array.GetIsolate(),color.fColor3));
90 break;
91 case COLORTYPE_CMYK:
92 array.SetElement(0, CJS_Value(array.GetIsolate(),"CMYK"));
93 array.SetElement(1, CJS_Value(array.GetIsolate(),color.fColor1));
94 array.SetElement(2, CJS_Value(array.GetIsolate(),color.fColor2));
95 array.SetElement(3, CJS_Value(array.GetIsolate(),color.fColor3));
96 array.SetElement(4, CJS_Value(array.GetIsolate(),color.fColor4));
97 break;
98 }
99 }
100
ConvertArrayToPWLColor(CJS_Array & array,CPWL_Color & color)101 void color::ConvertArrayToPWLColor(CJS_Array& array, CPWL_Color& color)
102 {
103 int nArrayLen = array.GetLength();
104 if (nArrayLen < 1) return;
105
106 CJS_Value value(array.GetIsolate());
107 array.GetElement(0, value);
108 CFX_ByteString sSpace = value.ToCFXByteString();
109
110 double d1 = 0;
111 double d2 = 0;
112 double d3 = 0;
113 double d4 = 0;
114
115 if (nArrayLen > 1)
116 {
117 array.GetElement(1, value);
118 d1 = value.ToDouble();
119 }
120
121 if (nArrayLen > 2)
122 {
123 array.GetElement(2, value);
124 d2 = value.ToDouble();
125 }
126
127 if (nArrayLen > 3)
128 {
129 array.GetElement(3, value);
130 d3 = value.ToDouble();
131 }
132
133 if (nArrayLen > 4)
134 {
135 array.GetElement(4, value);
136 d4 = value.ToDouble();
137 }
138
139 if (sSpace == "T")
140 {
141 color = CPWL_Color(COLORTYPE_TRANSPARENT);
142 }
143 else if (sSpace == "G")
144 {
145 color = CPWL_Color(COLORTYPE_GRAY, (FX_FLOAT)d1);
146 }
147 else if (sSpace == "RGB")
148 {
149 color = CPWL_Color(COLORTYPE_RGB, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3);
150 }
151 else if (sSpace == "CMYK")
152 {
153 color = CPWL_Color(COLORTYPE_CMYK, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3, (FX_FLOAT)d4);
154 }
155 }
156
157 #define JS_IMPLEMENT_COLORPROP(prop, var)\
158 FX_BOOL color::prop(IFXJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError)\
159 {\
160 CJS_Context* pContext = (CJS_Context*)cc;\
161 v8::Isolate* isolate = pContext->GetJSRuntime()->GetIsolate();\
162 if (vp.IsGetting())\
163 {\
164 CJS_Array array(isolate);\
165 ConvertPWLColorToArray(var, array);\
166 vp << array;\
167 }\
168 else\
169 {\
170 CJS_Array array(isolate);\
171 if (!vp.ConvertToArray(array)) return FALSE;\
172 ConvertArrayToPWLColor(array, var);\
173 }\
174 return TRUE;\
175 }
176
JS_IMPLEMENT_COLORPROP(transparent,m_crTransparent)177 JS_IMPLEMENT_COLORPROP(transparent, m_crTransparent)
178 JS_IMPLEMENT_COLORPROP(black, m_crBlack)
179 JS_IMPLEMENT_COLORPROP(white, m_crWhite)
180 JS_IMPLEMENT_COLORPROP(red, m_crRed)
181 JS_IMPLEMENT_COLORPROP(green, m_crGreen)
182 JS_IMPLEMENT_COLORPROP(blue, m_crBlue)
183 JS_IMPLEMENT_COLORPROP(cyan, m_crCyan)
184 JS_IMPLEMENT_COLORPROP(magenta, m_crMagenta)
185 JS_IMPLEMENT_COLORPROP(yellow, m_crYellow)
186 JS_IMPLEMENT_COLORPROP(dkGray, m_crDKGray)
187 JS_IMPLEMENT_COLORPROP(gray, m_crGray)
188 JS_IMPLEMENT_COLORPROP(ltGray, m_crLTGray)
189
190 FX_BOOL color::convert(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError)
191 {
192 v8::Isolate* isolate = GetIsolate(cc);
193 int iSize = params.size();
194 if (iSize < 2) return FALSE;
195 CJS_Array aSource(isolate);
196 if (!params[0].ConvertToArray(aSource)) return FALSE;
197
198 CPWL_Color crSource;
199 ConvertArrayToPWLColor(aSource, crSource);
200
201 CFX_ByteString sDestSpace = params[1].ToCFXByteString();
202 int nColorType = COLORTYPE_TRANSPARENT;
203
204 if (sDestSpace == "T")
205 {
206 nColorType = COLORTYPE_TRANSPARENT;
207 }
208 else if (sDestSpace == "G")
209 {
210 nColorType = COLORTYPE_GRAY;
211 }
212 else if (sDestSpace == "RGB")
213 {
214 nColorType = COLORTYPE_RGB;
215 }
216 else if (sDestSpace == "CMYK")
217 {
218 nColorType = COLORTYPE_CMYK;
219 }
220
221 CJS_Array aDest(isolate);
222 CPWL_Color crDest = crSource;
223 crDest.ConvertColorType(nColorType);
224 ConvertPWLColorToArray(crDest, aDest);
225 vRet = aDest;
226
227 return TRUE;
228 }
229
equal(IFXJS_Context * cc,const CJS_Parameters & params,CJS_Value & vRet,CFX_WideString & sError)230 FX_BOOL color::equal(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError)
231 {
232 v8::Isolate* isolate = GetIsolate(cc);
233 if (params.size() < 2) return FALSE;
234
235 CJS_Array array1(isolate), array2(isolate);
236
237 if (!params[0].ConvertToArray(array1)) return FALSE;
238 if (!params[1].ConvertToArray(array2)) return FALSE;
239
240 CPWL_Color color1;
241 CPWL_Color color2;
242
243 ConvertArrayToPWLColor(array1, color1);
244 ConvertArrayToPWLColor(array2, color2);
245
246 color1.ConvertColorType(color2.nColorType);
247
248 vRet = color1 == color2;
249 return TRUE;
250 }
251
252