gistfile1.txt

string CommandList = "";
key queryID;
integer lineNo;
string FontName = "Verdana, Geneva, sans-serif"; // Arial is the default font used, if unspecified
integer FontSize = 24;     // default to 24 point for sample
 
clear() {
    CommandList = "";
}
 
drawText(string text, integer line) {
 
    CommandList = osSetFontName(CommandList, FontName);
    CommandList = osSetFontSize(CommandList, FontSize);
    CommandList = osMovePen(CommandList, 10, 10 + (30 * line));
    CommandList = osDrawText(CommandList, text);
}
 
flipImage() {
   osSetDynamicTextureData( "", "vector", CommandList, "width:1024,height:1024", 0);
}
 
string str_replace(string str, string search, string replace) {
    return llDumpList2String(llParseStringKeepNulls((str = "") + str, [search], []), replace);
}
 
default
{
    state_entry()
    {
    }
 
    touch_start(integer num) {
        if (llDetectedKey(0) == llGetOwner()) {
            if (llGetInventoryType("Note") == INVENTORY_NOTECARD) {
                lineNo = 0;
                clear();
                queryID = llGetNotecardLine("Note", lineNo);
            } else {
                llOwnerSay("No notecard named \"Note\" found.");
            }
        }
    }
    
    changed(integer change) {
        if (change & CHANGED_INVENTORY) {
        if (llDetectedKey(0) == llGetOwner()) {
            if (llGetInventoryType("Note") == INVENTORY_NOTECARD) {
                lineNo = 0;
                clear();
                queryID = llGetNotecardLine("Note", lineNo);
            } else {
                llOwnerSay("No notecard named \"Note\" found.");
            }
        }
       }
    } 
 
    dataserver(key query_id, string data) {
        string lineData;
        if (query_id == queryID) {
            if (data != EOF) {
                if (lineNo < 25) {
                    lineData = str_replace(data, ";", ":");
                    drawText(data, lineNo);
                    lineNo++;
                    queryID = llGetNotecardLine("Note", lineNo);
                }
            } else {
                if (lineNo == 25) {
                    llOwnerSay("Notecard too long for display, truncating.");
                }
                flipImage();
            }
        }
    }
}