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