| Methods Summary |
|---|
| private static void | addNode(java.util.ArrayList list, char cmd, float[] val)
list.add(new PathDataNode(cmd, val));
|
| public static boolean | canMorph(android.util.PathParser$PathDataNode[] nodesFrom, android.util.PathParser$PathDataNode[] nodesTo)
if (nodesFrom == null || nodesTo == null) {
return false;
}
if (nodesFrom.length != nodesTo.length) {
return false;
}
for (int i = 0; i < nodesFrom.length; i ++) {
if (nodesFrom[i].mType != nodesTo[i].mType
|| nodesFrom[i].mParams.length != nodesTo[i].mParams.length) {
return false;
}
}
return true;
|
| public static android.util.PathParser$PathDataNode[] | createNodesFromPathData(java.lang.String pathData)
if (pathData == null) {
return null;
}
int start = 0;
int end = 1;
ArrayList<PathDataNode> list = new ArrayList<PathDataNode>();
while (end < pathData.length()) {
end = nextStart(pathData, end);
String s = pathData.substring(start, end).trim();
if (s.length() > 0) {
float[] val = getFloats(s);
addNode(list, s.charAt(0), val);
}
start = end;
end++;
}
if ((end - start) == 1 && start < pathData.length()) {
addNode(list, pathData.charAt(start), new float[0]);
}
return list.toArray(new PathDataNode[list.size()]);
|
| public static android.graphics.Path | createPathFromPathData(java.lang.String pathData)
Path path = new Path();
PathDataNode[] nodes = createNodesFromPathData(pathData);
if (nodes != null) {
try {
PathDataNode.nodesToPath(nodes, path);
} catch (RuntimeException e) {
throw new RuntimeException("Error in parsing " + pathData, e);
}
return path;
}
return null;
|
| public static android.util.PathParser$PathDataNode[] | deepCopyNodes(android.util.PathParser$PathDataNode[] source)
if (source == null) {
return null;
}
PathDataNode[] copy = new PathParser.PathDataNode[source.length];
for (int i = 0; i < source.length; i ++) {
copy[i] = new PathDataNode(source[i]);
}
return copy;
|
| private static void | extract(java.lang.String s, int start, android.util.PathParser$ExtractFloatResult result)Calculate the position of the next comma or space or negative sign
// Now looking for ' ', ',', '.' or '-' from the start.
int currentIndex = start;
boolean foundSeparator = false;
result.mEndWithNegOrDot = false;
boolean secondDot = false;
boolean isExponential = false;
for (; currentIndex < s.length(); currentIndex++) {
boolean isPrevExponential = isExponential;
isExponential = false;
char currentChar = s.charAt(currentIndex);
switch (currentChar) {
case ' ":
case ',":
foundSeparator = true;
break;
case '-":
// The negative sign following a 'e' or 'E' is not a separator.
if (currentIndex != start && !isPrevExponential) {
foundSeparator = true;
result.mEndWithNegOrDot = true;
}
break;
case '.":
if (!secondDot) {
secondDot = true;
} else {
// This is the second dot, and it is considered as a separator.
foundSeparator = true;
result.mEndWithNegOrDot = true;
}
break;
case 'e":
case 'E":
isExponential = true;
break;
}
if (foundSeparator) {
break;
}
}
// When there is nothing found, then we put the end position to the end
// of the string.
result.mEndPosition = currentIndex;
|
| private static float[] | getFloats(java.lang.String s)Parse the floats in the string.
This is an optimized version of parseFloat(s.split(",|\\s"));
if (s.charAt(0) == 'z" | s.charAt(0) == 'Z") {
return new float[0];
}
try {
float[] results = new float[s.length()];
int count = 0;
int startPosition = 1;
int endPosition = 0;
ExtractFloatResult result = new ExtractFloatResult();
int totalLength = s.length();
// The startPosition should always be the first character of the
// current number, and endPosition is the character after the current
// number.
while (startPosition < totalLength) {
extract(s, startPosition, result);
endPosition = result.mEndPosition;
if (startPosition < endPosition) {
results[count++] = Float.parseFloat(
s.substring(startPosition, endPosition));
}
if (result.mEndWithNegOrDot) {
// Keep the '-' or '.' sign with next number.
startPosition = endPosition;
} else {
startPosition = endPosition + 1;
}
}
return Arrays.copyOf(results, count);
} catch (NumberFormatException e) {
throw new RuntimeException("error in parsing \"" + s + "\"", e);
}
|
| private static int | nextStart(java.lang.String s, int end)
char c;
while (end < s.length()) {
c = s.charAt(end);
// Note that 'e' or 'E' are not valid path commands, but could be
// used for floating point numbers' scientific notation.
// Therefore, when searching for next command, we should ignore 'e'
// and 'E'.
if ((((c - 'A") * (c - 'Z") <= 0) || ((c - 'a") * (c - 'z") <= 0))
&& c != 'e" && c != 'E") {
return end;
}
end++;
}
return end;
|
| public static void | updateNodes(android.util.PathParser$PathDataNode[] target, android.util.PathParser$PathDataNode[] source)Update the target's data to match the source.
Before calling this, make sure canMorph(target, source) is true.
for (int i = 0; i < source.length; i ++) {
target[i].mType = source[i].mType;
for (int j = 0; j < source[i].mParams.length; j ++) {
target[i].mParams[j] = source[i].mParams[j];
}
}
|
