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