/* The format of the grid parameters is the following:
* <grid>
* <resolution nx=10 ny=10></resolution>
* <point>
* <coord x="0.5" y="+0.5"></coord>
* <texcoord s="0.0" t="1.0"></texcoord>
* </point>
* <point>
* <coord x="x" y="y"></coord>
* <texcoord s="s" t="t"></texcoord>
* </point>
* </grid>
*/
protected void initGrid(XMLElement xml) {
int n = xml.getChildCount();
// if there is only one parameter line, it should contain the
// grid dimensions.
if (n == 1) {
numLayers = 1;
} else {
numLayers = n - 1;
}
points = new GLTexturedPoint[numLayers];
XMLElement child;
String name, wStr, hStr, modeName;
int ptLayer = 0;
for (int i = 0; i < n; i++) {
child = xml.getChild(i);
name = child.getName();
if (name.equals("resolution")) {
wStr = child.getStringAttribute("nx");
hStr = child.getStringAttribute("ny");
usingSrcTexRes = false;
if (wStr.equals("w")) resX = 0;
else if (wStr.equals("w0")) resX = -1;
else if (wStr.equals("w1")) resX = -2;
else if (wStr.equals("w2")) resX = -3;
else if (wStr.equals("w3")) resX = -4;
else if (wStr.equals("w4")) resX = -5;
else if (wStr.equals("w5")) resX = -6;
else resX = child.getIntAttribute("nx");
if (hStr.equals("h")) resY = 0;
else if (hStr.equals("h0")) resY = -1;
else if (hStr.equals("h1")) resY = -2;
else if (hStr.equals("h2")) resY = -3;
else if (hStr.equals("h3")) resY = -4;
else if (hStr.equals("h4")) resY = -5;
else if (hStr.equals("h5")) resY = -6;
else resY = child.getIntAttribute("ny");
if ((resX <= 0) || (resY <= 0))
if (resX != resY) System.err.println("Source width and height are different!");
else if (resX < 0) {
usingSrcTexRes = true;
srcTexIdx = -(resX + 1);
}
modeName = child.getStringAttribute("mode");
mode = GLUtils.parsePrimitiveType(modeName);
} else if (name.equals("point")) {
points[ptLayer] = new GLTexturedPoint(child);
ptLayer++;
}
}
if (n == 1) {
points[0] = new GLTexturedPoint();
points[0].setAsUndefined();
}
}
