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Diffstat (limited to 'fpdfsdk/javascript/cjs_color.cpp')
| -rw-r--r-- | fpdfsdk/javascript/cjs_color.cpp | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/fpdfsdk/javascript/cjs_color.cpp b/fpdfsdk/javascript/cjs_color.cpp new file mode 100644 index 0000000000..0c0d9640d1 --- /dev/null +++ b/fpdfsdk/javascript/cjs_color.cpp @@ -0,0 +1,304 @@ +// 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/cjs_color.h" + +#include <vector> + +#include "fpdfsdk/javascript/JS_Define.h" +#include "fpdfsdk/javascript/cjs_event_context.h" +#include "fpdfsdk/javascript/cjs_eventhandler.h" +#include "fpdfsdk/javascript/cjs_object.h" +#include "fpdfsdk/javascript/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)); +} |