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// 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"
BEGIN_JS_STATIC_CONST(CJS_Color)
END_JS_STATIC_CONST()
BEGIN_JS_STATIC_PROP(CJS_Color)
JS_STATIC_PROP_ENTRY(black)
JS_STATIC_PROP_ENTRY(blue)
JS_STATIC_PROP_ENTRY(cyan)
JS_STATIC_PROP_ENTRY(dkGray)
JS_STATIC_PROP_ENTRY(gray)
JS_STATIC_PROP_ENTRY(green)
JS_STATIC_PROP_ENTRY(ltGray)
JS_STATIC_PROP_ENTRY(magenta)
JS_STATIC_PROP_ENTRY(red)
JS_STATIC_PROP_ENTRY(transparent)
JS_STATIC_PROP_ENTRY(white)
JS_STATIC_PROP_ENTRY(yellow)
END_JS_STATIC_PROP()
BEGIN_JS_STATIC_METHOD(CJS_Color)
JS_STATIC_METHOD_ENTRY(convert)
JS_STATIC_METHOD_ENTRY(equal)
END_JS_STATIC_METHOD()
IMPLEMENT_JS_CLASS(CJS_Color, color)
color::color(CJS_Object* pJSObject) : CJS_EmbedObj(pJSObject) {
m_crTransparent = CPWL_Color(COLORTYPE_TRANSPARENT);
m_crBlack = CPWL_Color(COLORTYPE_GRAY, 0);
m_crWhite = CPWL_Color(COLORTYPE_GRAY, 1);
m_crRed = CPWL_Color(COLORTYPE_RGB, 1, 0, 0);
m_crGreen = CPWL_Color(COLORTYPE_RGB, 0, 1, 0);
m_crBlue = CPWL_Color(COLORTYPE_RGB, 0, 0, 1);
m_crCyan = CPWL_Color(COLORTYPE_CMYK, 1, 0, 0, 0);
m_crMagenta = CPWL_Color(COLORTYPE_CMYK, 0, 1, 0, 0);
m_crYellow = CPWL_Color(COLORTYPE_CMYK, 0, 0, 1, 0);
m_crDKGray = CPWL_Color(COLORTYPE_GRAY, 0.25);
m_crGray = CPWL_Color(COLORTYPE_GRAY, 0.5);
m_crLTGray = CPWL_Color(COLORTYPE_GRAY, 0.75);
}
color::~color() {}
void color::ConvertPWLColorToArray(CJS_Runtime* pRuntime,
const CPWL_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,
CPWL_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 = CPWL_Color(COLORTYPE_TRANSPARENT);
} else if (sSpace == "G") {
*color = CPWL_Color(COLORTYPE_GRAY, (FX_FLOAT)d1);
} else if (sSpace == "RGB") {
*color =
CPWL_Color(COLORTYPE_RGB, (FX_FLOAT)d1, (FX_FLOAT)d2, (FX_FLOAT)d3);
} else if (sSpace == "CMYK") {
*color = CPWL_Color(COLORTYPE_CMYK, (FX_FLOAT)d1, (FX_FLOAT)d2,
(FX_FLOAT)d3, (FX_FLOAT)d4);
}
}
#define JS_IMPLEMENT_COLORPROP(prop, var) \
bool color::prop(CJS_Runtime* pRuntime, CJS_PropValue& vp, \
CFX_WideString& sError) { \
CJS_Array array; \
if (vp.IsGetting()) { \
ConvertPWLColorToArray(pRuntime, var, &array); \
vp << array; \
} else { \
if (!vp.GetJSValue()->ConvertToArray(pRuntime, array)) \
return false; \
ConvertArrayToPWLColor(pRuntime, array, &var); \
} \
return true; \
}
JS_IMPLEMENT_COLORPROP(transparent, m_crTransparent)
JS_IMPLEMENT_COLORPROP(black, m_crBlack)
JS_IMPLEMENT_COLORPROP(white, m_crWhite)
JS_IMPLEMENT_COLORPROP(red, m_crRed)
JS_IMPLEMENT_COLORPROP(green, m_crGreen)
JS_IMPLEMENT_COLORPROP(blue, m_crBlue)
JS_IMPLEMENT_COLORPROP(cyan, m_crCyan)
JS_IMPLEMENT_COLORPROP(magenta, m_crMagenta)
JS_IMPLEMENT_COLORPROP(yellow, m_crYellow)
JS_IMPLEMENT_COLORPROP(dkGray, m_crDKGray)
JS_IMPLEMENT_COLORPROP(gray, m_crGray)
JS_IMPLEMENT_COLORPROP(ltGray, m_crLTGray)
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;
CPWL_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;
CPWL_Color crDest = crSource;
crDest.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;
CPWL_Color color1;
CPWL_Color color2;
ConvertArrayToPWLColor(pRuntime, array1, &color1);
ConvertArrayToPWLColor(pRuntime, array2, &color2);
color1.ConvertColorType(color2.nColorType);
vRet = CJS_Value(pRuntime, color1 == color2);
return true;
}
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