| // Copyright 2014 The PDFium Authors |
| // 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 <algorithm> |
| #include <vector> |
| |
| #include "core/fxcrt/span.h" |
| #include "core/fxge/cfx_color.h" |
| #include "fxjs/cjs_event_context.h" |
| #include "fxjs/cjs_object.h" |
| #include "fxjs/cjs_runtime.h" |
| #include "fxjs/fxv8.h" |
| #include "fxjs/js_define.h" |
| #include "v8/include/v8-container.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}}; |
| |
| const JSMethodSpec CJS_Color::MethodSpecs[] = {{"convert", convert_static}, |
| {"equal", equal_static}}; |
| |
| uint32_t CJS_Color::ObjDefnID = 0; |
| const char CJS_Color::kName[] = "color"; |
| |
| // static |
| uint32_t CJS_Color::GetObjDefnID() { |
| return ObjDefnID; |
| } |
| |
| // static |
| void CJS_Color::DefineJSObjects(CFXJS_Engine* pEngine) { |
| ObjDefnID = pEngine->DefineObj(CJS_Color::kName, FXJSOBJTYPE_STATIC, |
| JSConstructor<CJS_Color>, JSDestructor); |
| DefineProps(pEngine, ObjDefnID, PropertySpecs); |
| DefineMethods(pEngine, ObjDefnID, MethodSpecs); |
| } |
| |
| // static |
| v8::Local<v8::Array> CJS_Color::ConvertPWLColorToArray(CJS_Runtime* pRuntime, |
| const CFX_Color& color) { |
| v8::Local<v8::Array> array; |
| switch (color.nColorType) { |
| case CFX_Color::Type::kTransparent: |
| array = pRuntime->NewArray(); |
| pRuntime->PutArrayElement(array, 0, pRuntime->NewString("T")); |
| break; |
| case CFX_Color::Type::kGray: |
| array = pRuntime->NewArray(); |
| pRuntime->PutArrayElement(array, 0, pRuntime->NewString("G")); |
| pRuntime->PutArrayElement(array, 1, pRuntime->NewNumber(color.fColor1)); |
| break; |
| case CFX_Color::Type::kRGB: |
| array = pRuntime->NewArray(); |
| pRuntime->PutArrayElement(array, 0, pRuntime->NewString("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::Type::kCMYK: |
| array = pRuntime->NewArray(); |
| pRuntime->PutArrayElement(array, 0, pRuntime->NewString("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 CJS_Color::ConvertArrayToPWLColor(CJS_Runtime* pRuntime, |
| v8::Local<v8::Array> array) { |
| size_t nArrayLen = pRuntime->GetArrayLength(array); |
| if (nArrayLen == 0) |
| return CFX_Color(); |
| |
| WideString sSpace = |
| pRuntime->ToWideString(pRuntime->GetArrayElement(array, 0)); |
| if (sSpace.EqualsASCII("T")) |
| return CFX_Color(CFX_Color::Type::kTransparent); |
| |
| float d1 = 0; |
| if (nArrayLen > 1) { |
| d1 = static_cast<float>( |
| pRuntime->ToDouble(pRuntime->GetArrayElement(array, 1))); |
| } |
| if (sSpace.EqualsASCII("G")) |
| return CFX_Color(CFX_Color::Type::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.EqualsASCII("RGB")) |
| return CFX_Color(CFX_Color::Type::kRGB, d1, d2, d3); |
| |
| float d4 = 0; |
| if (nArrayLen > 4) { |
| d4 = static_cast<float>( |
| pRuntime->ToDouble(pRuntime->GetArrayElement(array, 4))); |
| } |
| if (sSpace.EqualsASCII("CMYK")) |
| return CFX_Color(CFX_Color::Type::kCMYK, d1, d2, d3, d4); |
| |
| return CFX_Color(); |
| } |
| |
| CJS_Color::CJS_Color(v8::Local<v8::Object> pObject, CJS_Runtime* pRuntime) |
| : CJS_Object(pObject, pRuntime), |
| m_crTransparent(CFX_Color::Type::kTransparent), |
| m_crBlack(CFX_Color::Type::kGray, 0), |
| m_crWhite(CFX_Color::Type::kGray, 1), |
| m_crRed(CFX_Color::Type::kRGB, 1, 0, 0), |
| m_crGreen(CFX_Color::Type::kRGB, 0, 1, 0), |
| m_crBlue(CFX_Color::Type::kRGB, 0, 0, 1), |
| m_crCyan(CFX_Color::Type::kCMYK, 1, 0, 0, 0), |
| m_crMagenta(CFX_Color::Type::kCMYK, 0, 1, 0, 0), |
| m_crYellow(CFX_Color::Type::kCMYK, 0, 0, 1, 0), |
| m_crDKGray(CFX_Color::Type::kGray, 0.25), |
| m_crGray(CFX_Color::Type::kGray, 0.5), |
| m_crLTGray(CFX_Color::Type::kGray, 0.75) {} |
| |
| CJS_Color::~CJS_Color() = default; |
| |
| CJS_Result CJS_Color::get_transparent(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crTransparent); |
| } |
| |
| CJS_Result CJS_Color::set_transparent(CJS_Runtime* pRuntime, |
| v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crTransparent); |
| } |
| |
| CJS_Result CJS_Color::get_black(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crBlack); |
| } |
| |
| CJS_Result CJS_Color::set_black(CJS_Runtime* pRuntime, |
| v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crBlack); |
| } |
| |
| CJS_Result CJS_Color::get_white(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crWhite); |
| } |
| |
| CJS_Result CJS_Color::set_white(CJS_Runtime* pRuntime, |
| v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crWhite); |
| } |
| |
| CJS_Result CJS_Color::get_red(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crRed); |
| } |
| |
| CJS_Result CJS_Color::set_red(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crRed); |
| } |
| |
| CJS_Result CJS_Color::get_green(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crGreen); |
| } |
| |
| CJS_Result CJS_Color::set_green(CJS_Runtime* pRuntime, |
| v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crGreen); |
| } |
| |
| CJS_Result CJS_Color::get_blue(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crBlue); |
| } |
| |
| CJS_Result CJS_Color::set_blue(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crBlue); |
| } |
| |
| CJS_Result CJS_Color::get_cyan(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crCyan); |
| } |
| |
| CJS_Result CJS_Color::set_cyan(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crCyan); |
| } |
| |
| CJS_Result CJS_Color::get_magenta(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crMagenta); |
| } |
| |
| CJS_Result CJS_Color::set_magenta(CJS_Runtime* pRuntime, |
| v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crMagenta); |
| } |
| |
| CJS_Result CJS_Color::get_yellow(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crYellow); |
| } |
| |
| CJS_Result CJS_Color::set_yellow(CJS_Runtime* pRuntime, |
| v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crYellow); |
| } |
| |
| CJS_Result CJS_Color::get_dark_gray(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crDKGray); |
| } |
| |
| CJS_Result CJS_Color::set_dark_gray(CJS_Runtime* pRuntime, |
| v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crDKGray); |
| } |
| |
| CJS_Result CJS_Color::get_gray(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crGray); |
| } |
| |
| CJS_Result CJS_Color::set_gray(CJS_Runtime* pRuntime, v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crGray); |
| } |
| |
| CJS_Result CJS_Color::get_light_gray(CJS_Runtime* pRuntime) { |
| return GetPropertyHelper(pRuntime, &m_crLTGray); |
| } |
| |
| CJS_Result CJS_Color::set_light_gray(CJS_Runtime* pRuntime, |
| v8::Local<v8::Value> vp) { |
| return SetPropertyHelper(pRuntime, vp, &m_crLTGray); |
| } |
| |
| CJS_Result CJS_Color::GetPropertyHelper(CJS_Runtime* pRuntime, CFX_Color* var) { |
| v8::Local<v8::Value> array = ConvertPWLColorToArray(pRuntime, *var); |
| if (array.IsEmpty()) |
| return CJS_Result::Success(pRuntime->NewArray()); |
| |
| return CJS_Result::Success(array); |
| } |
| |
| CJS_Result CJS_Color::SetPropertyHelper(CJS_Runtime* pRuntime, |
| v8::Local<v8::Value> vp, |
| CFX_Color* var) { |
| if (vp.IsEmpty()) |
| return CJS_Result::Failure(JSMessage::kParamError); |
| |
| if (!vp->IsArray()) |
| return CJS_Result::Failure(JSMessage::kTypeError); |
| |
| *var = ConvertArrayToPWLColor(pRuntime, pRuntime->ToArray(vp)); |
| return CJS_Result::Success(); |
| } |
| |
| CJS_Result CJS_Color::convert(CJS_Runtime* pRuntime, |
| pdfium::span<v8::Local<v8::Value>> params) { |
| if (params.size() < 2) |
| return CJS_Result::Failure(JSMessage::kParamError); |
| |
| if (!fxv8::IsArray(params[0])) |
| return CJS_Result::Failure(JSMessage::kTypeError); |
| |
| WideString sDestSpace = pRuntime->ToWideString(params[1]); |
| CFX_Color::Type nColorType = CFX_Color::Type::kTransparent; |
| if (sDestSpace.EqualsASCII("T")) |
| nColorType = CFX_Color::Type::kTransparent; |
| else if (sDestSpace.EqualsASCII("G")) |
| nColorType = CFX_Color::Type::kGray; |
| else if (sDestSpace.EqualsASCII("RGB")) |
| nColorType = CFX_Color::Type::kRGB; |
| else if (sDestSpace.EqualsASCII("CMYK")) |
| nColorType = CFX_Color::Type::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_Result::Success(pRuntime->NewArray()); |
| |
| return CJS_Result::Success(array); |
| } |
| |
| CJS_Result CJS_Color::equal(CJS_Runtime* pRuntime, |
| pdfium::span<v8::Local<v8::Value>> params) { |
| if (params.size() < 2) |
| return CJS_Result::Failure(JSMessage::kParamError); |
| |
| if (!fxv8::IsArray(params[0]) || !fxv8::IsArray(params[1])) |
| return CJS_Result::Failure(JSMessage::kTypeError); |
| |
| CFX_Color color1 = |
| ConvertArrayToPWLColor(pRuntime, pRuntime->ToArray(params[0])); |
| CFX_Color color2 = |
| ConvertArrayToPWLColor(pRuntime, pRuntime->ToArray(params[1])); |
| |
| // Relies on higher values having more components. |
| CFX_Color::Type best = std::max(color1.nColorType, color2.nColorType); |
| return CJS_Result::Success(pRuntime->NewBoolean( |
| color1.ConvertColorType(best) == color2.ConvertColorType(best))); |
| } |