add COLOR function

This function makes property mapping in charts more user friendly.

Change-Id: I01cfb31edd749ee474d5078042fa5c4b4a270f86
diff --git a/formula/source/core/resource/core_resource.src b/formula/source/core/resource/core_resource.src
index 1aecc1a..259eda0 100644
--- a/formula/source/core/resource/core_resource.src
+++ b/formula/source/core/resource/core_resource.src
@@ -423,6 +423,7 @@ Resource RID_STRLIST_FUNCTION_NAMES_ENGLISH_ODFF
    /* END defined ERROR.TYPE() values. */
    String SC_OPCODE_FILTERXML     { Text = "COM.MICROSOFT.FILTERXML";};
    String SC_OPCODE_WEBSERVICE    { Text = "COM.MICROSOFT.WEBSERVICE"; };
    String SC_OPCODE_COLOR         { Text = "COLOR"; };
    String SC_OPCODE_ERF_MS { Text = "COM.MICROSOFT.ERF.PRECISE" ; };
    String SC_OPCODE_ERFC_MS { Text = "COM.MICROSOFT.ERFC.PRECISE" ; };
};
@@ -1237,6 +1238,7 @@ Resource RID_STRLIST_FUNCTION_NAMES_ENGLISH
    /* END defined ERROR.TYPE() values. */
    String SC_OPCODE_FILTERXML     { Text = "FILTERXML";};
    String SC_OPCODE_WEBSERVICE    { Text = "WEBSERVICE"; };
    String SC_OPCODE_COLOR         { Text = "COLOR"; };
    String SC_OPCODE_ERF_MS { Text = "ERF.PRECISE" ; };
    String SC_OPCODE_ERFC_MS { Text = "ERFC.PRECISE" ; };
};
@@ -2767,6 +2769,10 @@ Resource RID_STRLIST_FUNCTION_NAMES
    {
        Text [ en-US ] = "FILTERXML";
    };
    String SC_OPCODE_COLOR
    {
        Text [ en-US ] = "COLOR";
    };
    String SC_OPCODE_WEBSERVICE
    {
        Text [ en-US ] = "WEBSERVICE";
diff --git a/include/formula/compiler.hrc b/include/formula/compiler.hrc
index 2ce7230..6d642ae 100644
--- a/include/formula/compiler.hrc
+++ b/include/formula/compiler.hrc
@@ -468,8 +468,9 @@
#define SC_OPCODE_NETWORKDAYS_MS    468
#define SC_OPCODE_WORKDAY_MS        469
#define SC_OPCODE_AGGREGATE         470
#define SC_OPCODE_COLOR             471

#define SC_OPCODE_STOP_2_PAR        471     /* last function with two or more parameters' OpCode + 1 */
#define SC_OPCODE_STOP_2_PAR        472     /* last function with two or more parameters' OpCode + 1 */
#define SC_OPCODE_STOP_FUNCTION     SC_OPCODE_STOP_2_PAR            /* last function's OpCode + 1 */
#define SC_OPCODE_LAST_OPCODE_ID    (SC_OPCODE_STOP_FUNCTION - 1)   /* last OpCode */

diff --git a/include/formula/opcode.hxx b/include/formula/opcode.hxx
index 0e9fb70..199d598 100644
--- a/include/formula/opcode.hxx
+++ b/include/formula/opcode.hxx
@@ -461,6 +461,7 @@ enum OpCodeEnum
        ocEuroConvert       = SC_OPCODE_EUROCONVERT,
        ocFilterXML         = SC_OPCODE_FILTERXML,
        ocWebservice        = SC_OPCODE_WEBSERVICE,
        ocColor             = SC_OPCODE_COLOR,
        ocErf_MS            = SC_OPCODE_ERF_MS,
        ocErfc_MS           = SC_OPCODE_ERFC_MS,
    // internal stuff
diff --git a/sc/inc/helpids.h b/sc/inc/helpids.h
index 2646504..50df627 100644
--- a/sc/inc/helpids.h
+++ b/sc/inc/helpids.h
@@ -646,6 +646,7 @@
#define HID_FUNC_BITRSHIFT                                      "SC_HID_FUNC_BITRSHIFT"
#define HID_FUNC_FILTERXML                                      "SC_HID_FUNC_FILTERXML"
#define HID_FUNC_WEBSERVICE                                     "SC_HID_FUNC_WEBSERVICE"
#define HID_FUNC_COLOR                                          "SC_HID_FUNC_COLOR"
#define HID_FUNC_COVARIANCE_P                                   "SC_HID_FUNC_COVARIANCE_P"
#define HID_FUNC_COVARIANCE_S                                   "SC_HID_FUNC_COVARIANCE_S"
#define HID_FUNC_ST_DEV_P_MS                                    "SC_HID_FUNC_ST_DEV_P_MS"
diff --git a/sc/qa/unit/ucalc.cxx b/sc/qa/unit/ucalc.cxx
index 4dc7b1b..8e65f68 100644
--- a/sc/qa/unit/ucalc.cxx
+++ b/sc/qa/unit/ucalc.cxx
@@ -2509,6 +2509,7 @@ void Test::testFunctionLists()
        "BITXOR",
        "CEILING",
        "CEILING.PRECISE",
        "COLOR",
        "COMBIN",
        "COMBINA",
        "CONVERT",
diff --git a/sc/source/core/inc/interpre.hxx b/sc/source/core/inc/interpre.hxx
index 0c14d32..6022c8e 100644
--- a/sc/source/core/inc/interpre.hxx
+++ b/sc/source/core/inc/interpre.hxx
@@ -833,6 +833,7 @@ void ScMidB();

void ScFilterXML();
void ScWebservice();
void ScColor();
void ScErf();
void ScErfc();

diff --git a/sc/source/core/tool/interpr4.cxx b/sc/source/core/tool/interpr4.cxx
index e4fb73f..09ea671 100644
--- a/sc/source/core/tool/interpr4.cxx
+++ b/sc/source/core/tool/interpr4.cxx
@@ -4088,6 +4088,7 @@ StackVar ScInterpreter::Interpret()
                case ocZins             : ScZins();                     break;
                case ocFilterXML        : ScFilterXML();                break;
                case ocWebservice       : ScWebservice();               break;
                case ocColor            : ScColor();                    break;
                case ocErf_MS           : ScErf();                      break;
                case ocErfc_MS          : ScErfc();                     break;
                case ocZinsZ            : ScZinsZ();                    break;
diff --git a/sc/source/core/tool/interpr7.cxx b/sc/source/core/tool/interpr7.cxx
index 9ba8cd4..c0c9bf0 100644
--- a/sc/source/core/tool/interpr7.cxx
+++ b/sc/source/core/tool/interpr7.cxx
@@ -274,4 +274,48 @@ void ScInterpreter::ScErfc()
    }
}

void ScInterpreter::ScColor()
{
    sal_uInt8 nParamCount = GetByte();
    if(MustHaveParamCount(nParamCount, 3, 4))
    {
        double nAlpha = 0;
        if(nParamCount == 4)
            nAlpha = rtl::math::approxFloor(GetDouble());

        if(nAlpha < 0 || nAlpha > 255)
        {
            PushIllegalArgument();
            return;
        }

        double nBlue = rtl::math::approxFloor(GetDouble());

        if(nBlue < 0 || nBlue > 255)
        {
            PushIllegalArgument();
            return;
        }

        double nGreen = rtl::math::approxFloor(GetDouble());

        if(nGreen < 0 || nGreen > 255)
        {
            PushIllegalArgument();
            return;
        }

        double nRed = rtl::math::approxFloor(GetDouble());

        if(nRed < 0 || nRed > 255)
        {
            PushIllegalArgument();
            return;
        }

        double nVal = 256*256*256*nAlpha + 256*256*nRed + 256*nGreen + nBlue;
        PushDouble(nVal);
    }
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sc/source/ui/src/scfuncs.src b/sc/source/ui/src/scfuncs.src
index 5887ab0..3812f6e 100644
--- a/sc/source/ui/src/scfuncs.src
+++ b/sc/source/ui/src/scfuncs.src
@@ -11999,6 +11999,53 @@ Resource RID_SC_FUNCTION_DESCRIPTIONS2
            Text [ en-US ] = "String containing a valid XPath expression";
        };
    };
    Resource SC_OPCODE_COLOR
    {
        ExtraData =
        {
            0;
            ID_FUNCTION_GRP_MATH;
            U2S( HID_FUNC_COLOR );
            4; 0; 0; 0; 1;
            0;
        };
        String 1 // Description
        {
            Text [ en-US ] = "Returns an implementation defined value representing a RGBA color";
        };
        String 2 // Name of Parameter 1
        {
            Text [ en-US ] = "Red";
        };
        String 3 // Description of Parameter 1
        {
            Text [ en-US ] = "Value of red";
        };
        String 4 // Name of parameter 2
        {
            Text [ en-US ] = "Green";
        };
        String 5 // Description of Parameter 2
        {
            Text [ en-US ] = "Value of green";
        };
        String 6 // Name of Parameter 3
        {
            Text [ en-US ] = "Blue";
        };
        String 7 // Description of Parameter 3
        {
            Text [ en-US ] = "Value of blue";
        };
        String 8 // Name of parameter 4
        {
            Text [ en-US ] = "Alpha";
        };
        String 9 // Description of Parameter 4
        {
            Text [ en-US ] = "Value of alpha";
        };
    };
    Resource SC_OPCODE_WEBSERVICE
    {
        String 1 // Description