// 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_event_context.h" #include "fpdfsdk/javascript/cjs_runtime.h" JSConstSpec CJS_Color::ConstSpecs[] = {{0, JSConstSpec::Number, 0, 0}}; JSPropertySpec CJS_Color::PropertySpecs[] = { {"black", get_black_static, set_black_static}, {"blue", get_blue_static, set_blue_static}, {"cyan", get_cyan_static, set_cyan_static}, {"dkGray", get_dkGray_static, set_dkGray_static}, {"gray", get_gray_static, set_gray_static}, {"green", get_green_static, set_green_static}, {"ltGray", get_ltGray_static, set_ltGray_static}, {"magenta", get_magenta_static, set_magenta_static}, {"red", get_red_static, set_red_static}, {"transparent", get_transparent_static, set_transparent_static}, {"white", get_white_static, set_white_static}, {"yellow", get_yellow_static, set_yellow_static}, {0, 0, 0}}; JSMethodSpec CJS_Color::MethodSpecs[] = {{"convert", convert_static}, {"equal", equal_static}, {0, 0}}; IMPLEMENT_JS_CLASS(CJS_Color, color) color::color(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject) { m_crTransparent = CFX_Color(COLORTYPE_TRANSPARENT); m_crBlack = CFX_Color(COLORTYPE_GRAY, 0); m_crWhite = CFX_Color(COLORTYPE_GRAY, 1); m_crRed = CFX_Color(COLORTYPE_RGB, 1, 0, 0); m_crGreen = CFX_Color(COLORTYPE_RGB, 0, 1, 0); m_crBlue = CFX_Color(COLORTYPE_RGB, 0, 0, 1); m_crCyan = CFX_Color(COLORTYPE_CMYK, 1, 0, 0, 0); m_crMagenta = CFX_Color(COLORTYPE_CMYK, 0, 1, 0, 0); m_crYellow = CFX_Color(COLORTYPE_CMYK, 0, 0, 1, 0); m_crDKGray = CFX_Color(COLORTYPE_GRAY, 0.25); m_crGray = CFX_Color(COLORTYPE_GRAY, 0.5); m_crLTGray = CFX_Color(COLORTYPE_GRAY, 0.75); } color::~color() {} void color::ConvertPWLColorToArray(CJS_Runtime* pRuntime, const CFX_Color& color, CJS_Array* array) { switch (color.nColorType) { case COLORTYPE_TRANSPARENT: array->SetElement(pRuntime, 0, CJS_Value(pRuntime, "T")); break; case COLORTYPE_GRAY: array->SetElement(pRuntime, 0, CJS_Value(pRuntime, "G")); array->SetElement(pRuntime, 1, CJS_Value(pRuntime, color.fColor1)); break; case COLORTYPE_RGB: array->SetElement(pRuntime, 0, CJS_Value(pRuntime, "RGB")); array->SetElement(pRuntime, 1, CJS_Value(pRuntime, color.fColor1)); array->SetElement(pRuntime, 2, CJS_Value(pRuntime, color.fColor2)); array->SetElement(pRuntime, 3, CJS_Value(pRuntime, color.fColor3)); break; case COLORTYPE_CMYK: array->SetElement(pRuntime, 0, CJS_Value(pRuntime, "CMYK")); array->SetElement(pRuntime, 1, CJS_Value(pRuntime, color.fColor1)); array->SetElement(pRuntime, 2, CJS_Value(pRuntime, color.fColor2)); array->SetElement(pRuntime, 3, CJS_Value(pRuntime, color.fColor3)); array->SetElement(pRuntime, 4, CJS_Value(pRuntime, color.fColor4)); break; } } void color::ConvertArrayToPWLColor(CJS_Runtime* pRuntime, const CJS_Array& array, CFX_Color* color) { int nArrayLen = array.GetLength(pRuntime); if (nArrayLen < 1) return; CJS_Value value(pRuntime); array.GetElement(pRuntime, 0, value); CFX_ByteString sSpace = value.ToCFXByteString(pRuntime); double d1 = 0; double d2 = 0; double d3 = 0; double d4 = 0; if (nArrayLen > 1) { array.GetElement(pRuntime, 1, value); d1 = value.ToDouble(pRuntime); } if (nArrayLen > 2) { array.GetElement(pRuntime, 2, value); d2 = value.ToDouble(pRuntime); } if (nArrayLen > 3) { array.GetElement(pRuntime, 3, value); d3 = value.ToDouble(pRuntime); } if (nArrayLen > 4) { array.GetElement(pRuntime, 4, value); d4 = value.ToDouble(pRuntime); } if (sSpace == "T") { *color = CFX_Color(COLORTYPE_TRANSPARENT); } else if (sSpace == "G") { *color = CFX_Color(COLORTYPE_GRAY, (float)d1); } else if (sSpace == "RGB") { *color = CFX_Color(COLORTYPE_RGB, (float)d1, (float)d2, (float)d3); } else if (sSpace == "CMYK") { *color = CFX_Color(COLORTYPE_CMYK, (float)d1, (float)d2, (float)d3, (float)d4); } } bool color::transparent(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crTransparent); } bool color::black(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crBlack); } bool color::white(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crWhite); } bool color::red(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crRed); } bool color::green(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crGreen); } bool color::blue(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crBlue); } bool color::cyan(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crCyan); } bool color::magenta(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crMagenta); } bool color::yellow(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crYellow); } bool color::dkGray(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crDKGray); } bool color::gray(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crGray); } bool color::ltGray(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_WideString& sError) { return PropertyHelper(pRuntime, vp, &m_crLTGray); } bool color::PropertyHelper(CJS_Runtime* pRuntime, CJS_PropValue& vp, CFX_Color* var) { CJS_Array array; if (vp.IsGetting()) { ConvertPWLColorToArray(pRuntime, *var, &array); vp << array; return true; } if (!vp.GetJSValue()->ConvertToArray(pRuntime, array)) return false; ConvertArrayToPWLColor(pRuntime, array, var); return true; } bool color::convert(CJS_Runtime* pRuntime, const std::vector<CJS_Value>& params, CJS_Value& vRet, CFX_WideString& sError) { int iSize = params.size(); if (iSize < 2) return false; CJS_Array aSource; if (!params[0].ConvertToArray(pRuntime, aSource)) return false; CFX_Color crSource; ConvertArrayToPWLColor(pRuntime, aSource, &crSource); CFX_ByteString sDestSpace = params[1].ToCFXByteString(pRuntime); 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; CFX_Color crDest = crSource.ConvertColorType(nColorType); ConvertPWLColorToArray(pRuntime, crDest, &aDest); vRet = CJS_Value(pRuntime, aDest); return true; } bool color::equal(CJS_Runtime* pRuntime, const std::vector<CJS_Value>& params, CJS_Value& vRet, CFX_WideString& sError) { if (params.size() < 2) return false; CJS_Array array1; CJS_Array array2; if (!params[0].ConvertToArray(pRuntime, array1)) return false; if (!params[1].ConvertToArray(pRuntime, array2)) return false; CFX_Color color1; CFX_Color color2; ConvertArrayToPWLColor(pRuntime, array1, &color1); ConvertArrayToPWLColor(pRuntime, array2, &color2); color1 = color1.ConvertColorType(color2.nColorType); vRet = CJS_Value(pRuntime, color1 == color2); return true; }