// 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 "fxjs/cjs_color.h" #include <vector> #include "fxjs/JS_Define.h" #include "fxjs/cjs_event_context.h" #include "fxjs/cjs_eventhandler.h" #include "fxjs/cjs_object.h" #include "fxjs/cjs_runtime.h" const 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_dark_gray_static, set_dark_gray_static}, {"gray", get_gray_static, set_gray_static}, {"green", get_green_static, set_green_static}, {"ltGray", get_light_gray_static, set_light_gray_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}}; const JSMethodSpec CJS_Color::MethodSpecs[] = {{"convert", convert_static}, {"equal", equal_static}, {0, 0}}; int CJS_Color::ObjDefnID = -1; // static void CJS_Color::DefineJSObjects(CFXJS_Engine* pEngine) { ObjDefnID = pEngine->DefineObj("color", FXJSOBJTYPE_STATIC, JSConstructor<CJS_Color, color>, JSDestructor<CJS_Color>); DefineProps(pEngine, ObjDefnID, PropertySpecs); DefineMethods(pEngine, ObjDefnID, MethodSpecs); } // static v8::Local<v8::Array> color::ConvertPWLColorToArray(CJS_Runtime* pRuntime, const CFX_Color& color) { v8::Local<v8::Array> array; switch (color.nColorType) { case CFX_Color::kTransparent: array = pRuntime->NewArray(); pRuntime->PutArrayElement(array, 0, pRuntime->NewString(L"T")); break; case CFX_Color::kGray: array = pRuntime->NewArray(); pRuntime->PutArrayElement(array, 0, pRuntime->NewString(L"G")); pRuntime->PutArrayElement(array, 1, pRuntime->NewNumber(color.fColor1)); break; case CFX_Color::kRGB: array = pRuntime->NewArray(); pRuntime->PutArrayElement(array, 0, pRuntime->NewString(L"RGB")); pRuntime->PutArrayElement(array, 1, pRuntime->NewNumber(color.fColor1)); pRuntime->PutArrayElement(array, 2, pRuntime->NewNumber(color.fColor2)); pRuntime->PutArrayElement(array, 3, pRuntime->NewNumber(color.fColor3)); break; case CFX_Color::kCMYK: array = pRuntime->NewArray(); pRuntime->PutArrayElement(array, 0, pRuntime->NewString(L"CMYK")); pRuntime->PutArrayElement(array, 1, pRuntime->NewNumber(color.fColor1)); pRuntime->PutArrayElement(array, 2, pRuntime->NewNumber(color.fColor2)); pRuntime->PutArrayElement(array, 3, pRuntime->NewNumber(color.fColor3)); pRuntime->PutArrayElement(array, 4, pRuntime->NewNumber(color.fColor4)); break; } return array; } // static CFX_Color color::ConvertArrayToPWLColor(CJS_Runtime* pRuntime, v8::Local<v8::Array> array) { int nArrayLen = pRuntime->GetArrayLength(array); if (nArrayLen < 1) return CFX_Color(); WideString sSpace = pRuntime->ToWideString(pRuntime->GetArrayElement(array, 0)); if (sSpace == L"T") return CFX_Color(CFX_Color::kTransparent); float d1 = 0; if (nArrayLen > 1) { d1 = static_cast<float>( pRuntime->ToDouble(pRuntime->GetArrayElement(array, 1))); } if (sSpace == L"G") return CFX_Color(CFX_Color::kGray, d1); float d2 = 0; float d3 = 0; if (nArrayLen > 2) { d2 = static_cast<float>( pRuntime->ToDouble(pRuntime->GetArrayElement(array, 2))); } if (nArrayLen > 3) { d3 = static_cast<float>( pRuntime->ToDouble(pRuntime->GetArrayElement(array, 3))); } if (sSpace == L"RGB") return CFX_Color(CFX_Color::kRGB, d1, d2, d3); float d4 = 0; if (nArrayLen > 4) { d4 = static_cast<float>( pRuntime->ToDouble(pRuntime->GetArrayElement(array, 4))); } if (sSpace == L"CMYK") return CFX_Color(CFX_Color::kCMYK, d1, d2, d3, d4); return CFX_Color(); } color::color(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject) { m_crTransparent = CFX_Color(CFX_Color::kTransparent); m_crBlack = CFX_Color(CFX_Color::kGray, 0); m_crWhite = CFX_Color(CFX_Color::kGray, 1); m_crRed = CFX_Color(CFX_Color::kRGB, 1, 0, 0); m_crGreen = CFX_Color(CFX_Color::kRGB, 0, 1, 0); m_crBlue = CFX_Color(CFX_Color::kRGB, 0, 0, 1); m_crCyan = CFX_Color(CFX_Color::kCMYK, 1, 0, 0, 0); m_crMagenta = CFX_Color(CFX_Color::kCMYK, 0, 1, 0, 0); m_crYellow = CFX_Color(CFX_Color::kCMYK, 0, 0, 1, 0); m_crDKGray = CFX_Color(CFX_Color::kGray, 0.25); m_crGray = CFX_Color(CFX_Color::kGray, 0.5); m_crLTGray = CFX_Color(CFX_Color::kGray, 0.75); } color::~color() {} CJS_Return color::get_transparent(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crTransparent); } CJS_Return color::set_transparent(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crTransparent); } CJS_Return color::get_black(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crBlack); } CJS_Return color::set_black(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crBlack); } CJS_Return color::get_white(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crWhite); } CJS_Return color::set_white(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crWhite); } CJS_Return color::get_red(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crRed); } CJS_Return color::set_red(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crRed); } CJS_Return color::get_green(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crGreen); } CJS_Return color::set_green(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crGreen); } CJS_Return color::get_blue(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crBlue); } CJS_Return color::set_blue(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crBlue); } CJS_Return color::get_cyan(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crCyan); } CJS_Return color::set_cyan(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crCyan); } CJS_Return color::get_magenta(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crMagenta); } CJS_Return color::set_magenta(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crMagenta); } CJS_Return color::get_yellow(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crYellow); } CJS_Return color::set_yellow(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crYellow); } CJS_Return color::get_dark_gray(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crDKGray); } CJS_Return color::set_dark_gray(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crDKGray); } CJS_Return color::get_gray(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crGray); } CJS_Return color::set_gray(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crGray); } CJS_Return color::get_light_gray(CJS_Runtime* pRuntime) { return GetPropertyHelper(pRuntime, &m_crLTGray); } CJS_Return color::set_light_gray(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { return SetPropertyHelper(pRuntime, vp, &m_crLTGray); } CJS_Return color::GetPropertyHelper(CJS_Runtime* pRuntime, CFX_Color* var) { v8::Local<v8::Value> array = ConvertPWLColorToArray(pRuntime, *var); if (array.IsEmpty()) return CJS_Return(pRuntime->NewArray()); return CJS_Return(array); } CJS_Return color::SetPropertyHelper(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp, CFX_Color* var) { if (vp.IsEmpty() || !vp->IsArray()) return CJS_Return(false); *var = ConvertArrayToPWLColor(pRuntime, pRuntime->ToArray(vp)); return CJS_Return(true); } CJS_Return color::convert(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { int iSize = params.size(); if (iSize < 2) return CJS_Return(false); if (params[0].IsEmpty() || !params[0]->IsArray()) return CJS_Return(false); WideString sDestSpace = pRuntime->ToWideString(params[1]); int nColorType = CFX_Color::kTransparent; if (sDestSpace == L"T") nColorType = CFX_Color::kTransparent; else if (sDestSpace == L"G") nColorType = CFX_Color::kGray; else if (sDestSpace == L"RGB") nColorType = CFX_Color::kRGB; else if (sDestSpace == L"CMYK") nColorType = CFX_Color::kCMYK; CFX_Color color = ConvertArrayToPWLColor(pRuntime, pRuntime->ToArray(params[0])); v8::Local<v8::Value> array = ConvertPWLColorToArray(pRuntime, color.ConvertColorType(nColorType)); if (array.IsEmpty()) return CJS_Return(pRuntime->NewArray()); return CJS_Return(array); } CJS_Return color::equal(CJS_Runtime* pRuntime, const std::vector<v8::Local<v8::Value>>& params) { if (params.size() < 2) return CJS_Return(false); if (params[0].IsEmpty() || !params[0]->IsArray() || params[1].IsEmpty() || !params[1]->IsArray()) { return CJS_Return(false); } CFX_Color color1 = ConvertArrayToPWLColor(pRuntime, pRuntime->ToArray(params[0])); CFX_Color color2 = ConvertArrayToPWLColor(pRuntime, pRuntime->ToArray(params[1])); color1 = color1.ConvertColorType(color2.nColorType); return CJS_Return(pRuntime->NewBoolean(color1 == color2)); }