// Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "fpdfsdk/javascript/color.h" #include <vector> #include "fpdfsdk/javascript/JS_Define.h" #include "fpdfsdk/javascript/JS_EventHandler.h" #include "fpdfsdk/javascript/JS_Object.h" #include "fpdfsdk/javascript/JS_Value.h" #include "fpdfsdk/javascript/cjs_context.h" #include "fpdfsdk/javascript/cjs_runtime.h" BEGIN_JS_STATIC_CONST(CJS_Color) END_JS_STATIC_CONST() BEGIN_JS_STATIC_PROP(CJS_Color) JS_STATIC_PROP_ENTRY(black) JS_STATIC_PROP_ENTRY(blue) JS_STATIC_PROP_ENTRY(cyan) JS_STATIC_PROP_ENTRY(dkGray) JS_STATIC_PROP_ENTRY(gray) JS_STATIC_PROP_ENTRY(green) JS_STATIC_PROP_ENTRY(ltGray) JS_STATIC_PROP_ENTRY(magenta) JS_STATIC_PROP_ENTRY(red) JS_STATIC_PROP_ENTRY(transparent) JS_STATIC_PROP_ENTRY(white) JS_STATIC_PROP_ENTRY(yellow) END_JS_STATIC_PROP() BEGIN_JS_STATIC_METHOD(CJS_Color) JS_STATIC_METHOD_ENTRY(convert) JS_STATIC_METHOD_ENTRY(equal) END_JS_STATIC_METHOD() IMPLEMENT_JS_CLASS(CJS_Color, color) color::color(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject) { m_crTransparent = CPWL_Color(COLORTYPE_TRANSPARENT); m_crBlack = CPWL_Color(COLORTYPE_GRAY, 0); m_crWhite = CPWL_Color(COLORTYPE_GRAY, 1); m_crRed = CPWL_Color(COLORTYPE_RGB, 1, 0, 0); m_crGreen = CPWL_Color(COLORTYPE_RGB, 0, 1, 0); m_crBlue = CPWL_Color(COLORTYPE_RGB, 0, 0, 1); m_crCyan = CPWL_Color(COLORTYPE_CMYK, 1, 0, 0, 0); m_crMagenta = CPWL_Color(COLORTYPE_CMYK, 0, 1, 0, 0); m_crYellow = CPWL_Color(COLORTYPE_CMYK, 0, 0, 1, 0); m_crDKGray = CPWL_Color(COLORTYPE_GRAY, 0.25); m_crGray = CPWL_Color(COLORTYPE_GRAY, 0.5); m_crLTGray = CPWL_Color(COLORTYPE_GRAY, 0.75); } color::~color() {} void color::ConvertPWLColorToArray(const CPWL_Color& color, CJS_Array& array) { switch (color.nColorType) { case COLORTYPE_TRANSPARENT: array.SetElement(0, CJS_Value(array.GetJSRuntime(), "T")); break; case COLORTYPE_GRAY: array.SetElement(0, CJS_Value(array.GetJSRuntime(), "G")); array.SetElement(1, CJS_Value(array.GetJSRuntime(), color.fColor1)); break; case COLORTYPE_RGB: array.SetElement(0, CJS_Value(array.GetJSRuntime(), "RGB")); array.SetElement(1, CJS_Value(array.GetJSRuntime(), color.fColor1)); array.SetElement(2, CJS_Value(array.GetJSRuntime(), color.fColor2)); array.SetElement(3, CJS_Value(array.GetJSRuntime(), color.fColor3)); break; case COLORTYPE_CMYK: array.SetElement(0, CJS_Value(array.GetJSRuntime(), "CMYK")); array.SetElement(1, CJS_Value(array.GetJSRuntime(), color.fColor1)); array.SetElement(2, CJS_Value(array.GetJSRuntime(), color.fColor2)); array.SetElement(3, CJS_Value(array.GetJSRuntime(), color.fColor3)); array.SetElement(4, CJS_Value(array.GetJSRuntime(), color.fColor4)); break; } } void color::ConvertArrayToPWLColor(CJS_Array& array, CPWL_Color& color) { int nArrayLen = array.GetLength(); if (nArrayLen < 1) return; CJS_Value value(array.GetJSRuntime()); array.GetElement(0, value); CFX_ByteString sSpace = value.ToCFXByteString(); double d1 = 0; double d2 = 0; double d3 = 0; double d4 = 0; if (nArrayLen > 1) { array.GetElement(1, value); d1 = value.ToDouble(); } if (nArrayLen > 2) { array.GetElement(2, value); d2 = value.ToDouble(); } if (nArrayLen > 3) { array.GetElement(3, value); d3 = value.ToDouble(); } if (nArrayLen > 4) { array.GetElement(4, value); d4 = value.ToDouble(); } if (sSpace == "T") { color = CPWL_Color(COLORTYPE_TRANSPARENT); } else if (sSpace == "G") { color = CPWL_Color(COLORTYPE_GRAY, (FX_FLOAT)d1); } else if (sSpace == "RGB") { color = CPWL_Color(COLORTYPE_RGB, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3); } else if (sSpace == "CMYK") { color = CPWL_Color(COLORTYPE_CMYK, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3, (FX_FLOAT)d4); } } #define JS_IMPLEMENT_COLORPROP(prop, var) \ FX_BOOL color::prop(IJS_Context* cc, CJS_PropValue& vp, \ CFX_WideString& sError) { \ CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); \ CJS_Array array(pRuntime); \ if (vp.IsGetting()) { \ ConvertPWLColorToArray(var, array); \ vp << array; \ } else { \ if (!vp.ConvertToArray(array)) \ return FALSE; \ ConvertArrayToPWLColor(array, var); \ } \ return TRUE; \ } JS_IMPLEMENT_COLORPROP(transparent, m_crTransparent) JS_IMPLEMENT_COLORPROP(black, m_crBlack) JS_IMPLEMENT_COLORPROP(white, m_crWhite) JS_IMPLEMENT_COLORPROP(red, m_crRed) JS_IMPLEMENT_COLORPROP(green, m_crGreen) JS_IMPLEMENT_COLORPROP(blue, m_crBlue) JS_IMPLEMENT_COLORPROP(cyan, m_crCyan) JS_IMPLEMENT_COLORPROP(magenta, m_crMagenta) JS_IMPLEMENT_COLORPROP(yellow, m_crYellow) JS_IMPLEMENT_COLORPROP(dkGray, m_crDKGray) JS_IMPLEMENT_COLORPROP(gray, m_crGray) JS_IMPLEMENT_COLORPROP(ltGray, m_crLTGray) FX_BOOL color::convert(IJS_Context* cc, const std::vector<CJS_Value>& params, CJS_Value& vRet, CFX_WideString& sError) { int iSize = params.size(); if (iSize < 2) return FALSE; CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); CJS_Array aSource(pRuntime); if (!params[0].ConvertToArray(aSource)) return FALSE; CPWL_Color crSource; ConvertArrayToPWLColor(aSource, crSource); CFX_ByteString sDestSpace = params[1].ToCFXByteString(); int nColorType = COLORTYPE_TRANSPARENT; if (sDestSpace == "T") { nColorType = COLORTYPE_TRANSPARENT; } else if (sDestSpace == "G") { nColorType = COLORTYPE_GRAY; } else if (sDestSpace == "RGB") { nColorType = COLORTYPE_RGB; } else if (sDestSpace == "CMYK") { nColorType = COLORTYPE_CMYK; } CJS_Array aDest(pRuntime); CPWL_Color crDest = crSource; crDest.ConvertColorType(nColorType); ConvertPWLColorToArray(crDest, aDest); vRet = aDest; return TRUE; } FX_BOOL color::equal(IJS_Context* cc, const std::vector<CJS_Value>& params, CJS_Value& vRet, CFX_WideString& sError) { if (params.size() < 2) return FALSE; CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); CJS_Array array1(pRuntime); CJS_Array array2(pRuntime); if (!params[0].ConvertToArray(array1)) return FALSE; if (!params[1].ConvertToArray(array2)) return FALSE; CPWL_Color color1; CPWL_Color color2; ConvertArrayToPWLColor(array1, color1); ConvertArrayToPWLColor(array2, color2); color1.ConvertColorType(color2.nColorType); vRet = color1 == color2; return TRUE; }