| // 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; |
| } |