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 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) 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 70 color::~color(void) 71 { 72 } 73 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 } 100 101 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 } 176 177 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 } 229 230 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
