SvgSetDocumentXML

Sets the underlying XML document of an SVG element.

Syntax

bool svgSetDocumentXML ( svg svgElement, xmlnode xmlDocument [, function callback ( element svg ) ] )

Required Arguments

• svgElement: The svg element you want to set the XML document of
• xmlDocument: An xmlnode containing the data to be set on the SVG document

Optional Arguments

NOTE: When using optional arguments, you might need to supply all arguments before the one you wish to use. For more information on optional arguments, see optional arguments.

• callback: A callback function which is stored on the SVG and fired every time the SVG texture is updated (for example, via svgSetSize). Note: if present, this will overwrite the current callback stored on the svg

Returns

• Returns true if successful, false otherwise

Example

This example creates an svg element including a keybind (F2) to add a child rect node, with the use of callbacks to notify in debugscript when the SVG was updated.

-- This could also be a file, with the path provided to svgCreate instead
local rawSvgData = [[
    <svg viewBox="0 0 500 500" xmlns="http://www.w3.org/2000/svg">
        <circle cx="250" cy="250" r="250" fill="#0fc0fc" />
    </svg>
]]

local svgs = {}

local function render(svg)
    if (not isElement(svg)) or (getElementType(svg) ~= "svg") then
        removeEventHandler("onClientRender", root, svgs[svg].handler)
        svgs[svg] = nil
    end

    local width, height = svgGetSize(svg)
    dxDrawImage(0, 0, width, height, svg, 0, 0, 0, tocolor(255, 255, 255), false)
end

local function onUpdate(svg)
    -- If this is the first update, add svg to our table and start drawing it
    if (not svgs[svg]) then
        svgs[svg] = {
            state = true,
            handler = function()
                render(svg)
            end
        }

        addEventHandler("onClientRender", root, svgs[svg].handler)
    end

    iprint("SVG texture updated", svg, getTickCount())
end

local function init()
    -- Create an SVG containing a circle, using the raw XML data above
    local mySvg = svgCreate(500, 500, rawSvgData, onUpdate)

    -- Bind a key to create an SVG rect child node, which will trigger the onUpdate callback
    bindKey("F2", "down", function()
        addSVGRectNode(mySvg)
    end)
end
addEventHandler("onClientResourceStart", resourceRoot, init)

-- Adds a rect node to the SVG with a random color, size and position
function addSVGRectNode(svg)
    -- Get the XML document from our SVG
    local svgXML = svgGetDocumentXML(svg)
    
    -- Add a rect SVG node, positioned center of the document
    local rect = xmlCreateChild(svgXML, "rect")

    local size = math.random(0, 50)
    local r, g, b = math.random(10, 99), math.random(10, 99), math.random(10, 99)

    xmlNodeSetAttribute(rect, "x", (size / 2) .. "%")
    xmlNodeSetAttribute(rect, "y", (size / 2) .. "%")
    xmlNodeSetAttribute(rect, "width", size .. "%")
    xmlNodeSetAttribute(rect, "height", size .. "%")
    xmlNodeSetAttribute(rect, "fill", "#" .. r .. g .. b)
    
    -- Apply our XML to the SVG, and start drawing via callback
    svgSetDocumentXML(svg, svgXML)
end

See Also

• svgCreate
• svgGetDocumentXML
• svgGetSize
• svgSetDocumentXML
• svgSetSize
• svgSetUpdateCallback