// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "fpdfsdk/javascript/color.h"
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#include <vector>
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#include "fpdfsdk/javascript/JS_Define.h"
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#include "fpdfsdk/javascript/JS_EventHandler.h"
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#include "fpdfsdk/javascript/JS_Object.h"
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#include "fpdfsdk/javascript/JS_Value.h"
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#include "fpdfsdk/javascript/cjs_context.h"
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#include "fpdfsdk/javascript/cjs_runtime.h"
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BEGIN_JS_STATIC_CONST(CJS_Color)
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END_JS_STATIC_CONST()
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BEGIN_JS_STATIC_PROP(CJS_Color)
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JS_STATIC_PROP_ENTRY(black)
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JS_STATIC_PROP_ENTRY(blue)
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JS_STATIC_PROP_ENTRY(cyan)
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JS_STATIC_PROP_ENTRY(dkGray)
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JS_STATIC_PROP_ENTRY(gray)
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JS_STATIC_PROP_ENTRY(green)
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JS_STATIC_PROP_ENTRY(ltGray)
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JS_STATIC_PROP_ENTRY(magenta)
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JS_STATIC_PROP_ENTRY(red)
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JS_STATIC_PROP_ENTRY(transparent)
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JS_STATIC_PROP_ENTRY(white)
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JS_STATIC_PROP_ENTRY(yellow)
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END_JS_STATIC_PROP()
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BEGIN_JS_STATIC_METHOD(CJS_Color)
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JS_STATIC_METHOD_ENTRY(convert)
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JS_STATIC_METHOD_ENTRY(equal)
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END_JS_STATIC_METHOD()
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IMPLEMENT_JS_CLASS(CJS_Color, color)
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color::color(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject) {
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m_crTransparent = CPWL_Color(COLORTYPE_TRANSPARENT);
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m_crBlack = CPWL_Color(COLORTYPE_GRAY, 0);
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m_crWhite = CPWL_Color(COLORTYPE_GRAY, 1);
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m_crRed = CPWL_Color(COLORTYPE_RGB, 1, 0, 0);
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m_crGreen = CPWL_Color(COLORTYPE_RGB, 0, 1, 0);
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m_crBlue = CPWL_Color(COLORTYPE_RGB, 0, 0, 1);
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m_crCyan = CPWL_Color(COLORTYPE_CMYK, 1, 0, 0, 0);
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m_crMagenta = CPWL_Color(COLORTYPE_CMYK, 0, 1, 0, 0);
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m_crYellow = CPWL_Color(COLORTYPE_CMYK, 0, 0, 1, 0);
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m_crDKGray = CPWL_Color(COLORTYPE_GRAY, 0.25);
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m_crGray = CPWL_Color(COLORTYPE_GRAY, 0.5);
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m_crLTGray = CPWL_Color(COLORTYPE_GRAY, 0.75);
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}
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color::~color() {}
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void color::ConvertPWLColorToArray(const CPWL_Color& color, CJS_Array& array) {
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switch (color.nColorType) {
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case COLORTYPE_TRANSPARENT:
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array.SetElement(0, CJS_Value(array.GetJSRuntime(), "T"));
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break;
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case COLORTYPE_GRAY:
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array.SetElement(0, CJS_Value(array.GetJSRuntime(), "G"));
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array.SetElement(1, CJS_Value(array.GetJSRuntime(), color.fColor1));
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break;
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case COLORTYPE_RGB:
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array.SetElement(0, CJS_Value(array.GetJSRuntime(), "RGB"));
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array.SetElement(1, CJS_Value(array.GetJSRuntime(), color.fColor1));
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array.SetElement(2, CJS_Value(array.GetJSRuntime(), color.fColor2));
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array.SetElement(3, CJS_Value(array.GetJSRuntime(), color.fColor3));
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break;
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case COLORTYPE_CMYK:
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array.SetElement(0, CJS_Value(array.GetJSRuntime(), "CMYK"));
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array.SetElement(1, CJS_Value(array.GetJSRuntime(), color.fColor1));
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array.SetElement(2, CJS_Value(array.GetJSRuntime(), color.fColor2));
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array.SetElement(3, CJS_Value(array.GetJSRuntime(), color.fColor3));
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array.SetElement(4, CJS_Value(array.GetJSRuntime(), color.fColor4));
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break;
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}
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}
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void color::ConvertArrayToPWLColor(CJS_Array& array, CPWL_Color& color) {
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int nArrayLen = array.GetLength();
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if (nArrayLen < 1)
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return;
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CJS_Value value(array.GetJSRuntime());
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array.GetElement(0, value);
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CFX_ByteString sSpace = value.ToCFXByteString();
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double d1 = 0;
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double d2 = 0;
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double d3 = 0;
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double d4 = 0;
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if (nArrayLen > 1) {
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array.GetElement(1, value);
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d1 = value.ToDouble();
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}
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if (nArrayLen > 2) {
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array.GetElement(2, value);
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d2 = value.ToDouble();
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}
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if (nArrayLen > 3) {
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array.GetElement(3, value);
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d3 = value.ToDouble();
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}
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if (nArrayLen > 4) {
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array.GetElement(4, value);
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d4 = value.ToDouble();
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}
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if (sSpace == "T") {
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color = CPWL_Color(COLORTYPE_TRANSPARENT);
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} else if (sSpace == "G") {
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color = CPWL_Color(COLORTYPE_GRAY, (FX_FLOAT)d1);
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} else if (sSpace == "RGB") {
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color = CPWL_Color(COLORTYPE_RGB, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3);
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} else if (sSpace == "CMYK") {
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color = CPWL_Color(COLORTYPE_CMYK, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3,
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(FX_FLOAT)d4);
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}
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}
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#define JS_IMPLEMENT_COLORPROP(prop, var) \
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FX_BOOL color::prop(IJS_Context* cc, CJS_PropValue& vp, \
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CFX_WideString& sError) { \
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CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); \
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CJS_Array array(pRuntime); \
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if (vp.IsGetting()) { \
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ConvertPWLColorToArray(var, array); \
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vp << array; \
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} else { \
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if (!vp.ConvertToArray(array)) \
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return FALSE; \
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ConvertArrayToPWLColor(array, var); \
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} \
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return TRUE; \
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}
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JS_IMPLEMENT_COLORPROP(transparent, m_crTransparent)
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JS_IMPLEMENT_COLORPROP(black, m_crBlack)
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JS_IMPLEMENT_COLORPROP(white, m_crWhite)
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JS_IMPLEMENT_COLORPROP(red, m_crRed)
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JS_IMPLEMENT_COLORPROP(green, m_crGreen)
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JS_IMPLEMENT_COLORPROP(blue, m_crBlue)
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JS_IMPLEMENT_COLORPROP(cyan, m_crCyan)
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JS_IMPLEMENT_COLORPROP(magenta, m_crMagenta)
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JS_IMPLEMENT_COLORPROP(yellow, m_crYellow)
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JS_IMPLEMENT_COLORPROP(dkGray, m_crDKGray)
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JS_IMPLEMENT_COLORPROP(gray, m_crGray)
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JS_IMPLEMENT_COLORPROP(ltGray, m_crLTGray)
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FX_BOOL color::convert(IJS_Context* cc,
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const std::vector<CJS_Value>& params,
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CJS_Value& vRet,
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CFX_WideString& sError) {
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int iSize = params.size();
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if (iSize < 2)
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return FALSE;
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CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc);
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CJS_Array aSource(pRuntime);
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if (!params[0].ConvertToArray(aSource))
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return FALSE;
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CPWL_Color crSource;
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ConvertArrayToPWLColor(aSource, crSource);
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CFX_ByteString sDestSpace = params[1].ToCFXByteString();
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int nColorType = COLORTYPE_TRANSPARENT;
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if (sDestSpace == "T") {
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nColorType = COLORTYPE_TRANSPARENT;
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} else if (sDestSpace == "G") {
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nColorType = COLORTYPE_GRAY;
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} else if (sDestSpace == "RGB") {
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nColorType = COLORTYPE_RGB;
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} else if (sDestSpace == "CMYK") {
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nColorType = COLORTYPE_CMYK;
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}
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CJS_Array aDest(pRuntime);
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CPWL_Color crDest = crSource;
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crDest.ConvertColorType(nColorType);
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ConvertPWLColorToArray(crDest, aDest);
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vRet = aDest;
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return TRUE;
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}
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FX_BOOL color::equal(IJS_Context* cc,
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const std::vector<CJS_Value>& params,
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CJS_Value& vRet,
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CFX_WideString& sError) {
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if (params.size() < 2)
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return FALSE;
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CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc);
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CJS_Array array1(pRuntime);
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CJS_Array array2(pRuntime);
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if (!params[0].ConvertToArray(array1))
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return FALSE;
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if (!params[1].ConvertToArray(array2))
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return FALSE;
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CPWL_Color color1;
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CPWL_Color color2;
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ConvertArrayToPWLColor(array1, color1);
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ConvertArrayToPWLColor(array2, color2);
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color1.ConvertColorType(color2.nColorType);
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vRet = color1 == color2;
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return TRUE;
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}
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