| Methods Summary |
|---|
| public com.sun.perseus.j2d.Path | getPath()Returns the current working path. This can be used,
for example, when the parsePath method throws an error
to retrieve the state of the path at the time the error
occured
return p;
|
| protected final void | parseC()Parses a 'C' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
default:
return;
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
}
float x1 = parseNumber();
skipCommaSpaces();
float y1 = parseNumber();
skipCommaSpaces();
float x2 = parseNumber();
skipCommaSpaces();
float y2 = parseNumber();
skipCommaSpaces();
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
smoothCCenterX = x2;
smoothCCenterY = y2;
currentX = x;
currentY = y;
p.curveTo(x1, y1, smoothCCenterX, smoothCCenterY,
currentX, currentY);
smoothQCenterX = currentX;
smoothQCenterY = currentY;
skipCommaSpaces();
}
|
| protected final void | parseH()Parses a 'H' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
float x = parseNumber();
currentX = x;
smoothQCenterX = x;
smoothCCenterX = x;
smoothQCenterY = currentY;
smoothCCenterY = currentY;
p.lineTo(smoothCCenterX, smoothCCenterY);
break;
default:
return;
}
skipCommaSpaces();
}
|
| protected final void | parseL()Parses a 'L' command.
if (current == 'L") {
current = read();
}
skipSpaces();
for (;;) {
switch (current) {
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
currentX = x;
smoothQCenterX = x;
smoothCCenterX = x;
currentY = y;
smoothQCenterY = y;
smoothCCenterY = y;
p.lineTo(smoothCCenterX, smoothCCenterY);
break;
default:
return;
}
skipCommaSpaces();
}
|
| protected final void | parseM()Parses a 'M' command.
current = read();
skipSpaces();
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
currentX = x;
smoothQCenterX = x;
smoothCCenterX = x;
currentY = y;
smoothQCenterY = y;
smoothCCenterY = y;
p.moveTo(x, y);
lastMoveToX = x;
lastMoveToY = y;
skipCommaSpaces();
|
| public com.sun.perseus.j2d.Path | parsePath(java.lang.String s)Parses the input String and returns the corresponding
Path if no error is found. If an error occurs,
this method throws an IllegalArgumentException.
setString(s);
p = preparePath();
setString(s);
currentX = 0;
currentY = 0;
smoothQCenterX = 0;
smoothQCenterY = 0;
smoothCCenterX = 0;
smoothCCenterY = 0;
current = read();
skipSpaces();
// Multiple coordinate pairs after a moveto
// are like a moveto followed by lineto
switch(current) {
case 'm":
parsem();
parsel();
break;
case 'M":
parseM();
parseL();
break;
case -1:
//an empty path is valid.
break;
default:
throw new IllegalArgumentException();
}
loop: for (;;) {
switch (current) {
case 0xD:
case 0xA:
case 0x20:
case 0x9:
current = read();
break;
case 'z":
case 'Z":
current = read();
p.close();
currentX = lastMoveToX;
currentY = lastMoveToY;
break;
case 'm":
parsem();
case 'l":
parsel();
break;
case 'M":
parseM();
case 'L":
parseL();
break;
case 'h":
parseh();
break;
case 'H":
parseH();
break;
case 'v":
parsev();
break;
case 'V":
parseV();
break;
case 'c":
parsec();
break;
case 'C":
parseC();
break;
case 'q":
parseq();
break;
case 'Q":
parseQ();
break;
case 's":
parses();
break;
case 'S":
parseS();
break;
case 't":
parset();
break;
case 'T":
parseT();
break;
case -1:
break loop;
default:
throw new IllegalArgumentException();
}
}
skipSpaces();
if (current != -1) {
throw new IllegalArgumentException();
}
return p;
|
| public com.sun.perseus.j2d.Path | parsePoints(java.lang.String s)Parses the input String and returns the corresponding
Path.
setString(s);
p = preparePath();
setString(s);
current = read();
skipSpaces();
if (current == -1) {
// No coordinate pair
return p;
}
// Initial moveTo
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
p.moveTo(x, y);
lastMoveToX = x;
lastMoveToY = y;
while (current != -1) {
skipSpaces();
if (current != -1) {
skipCommaSpaces();
x = parseNumber();
skipCommaSpaces();
y = parseNumber();
p.lineTo(x, y);
}
}
return p;
|
| protected final void | parseQ()Parses a 'Q' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
default:
return;
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
}
float x1 = parseNumber();
skipCommaSpaces();
float y1 = parseNumber();
skipCommaSpaces();
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
smoothQCenterX = x1;
smoothQCenterY = y1;
currentX = x;
currentY = y;
p.quadTo(smoothQCenterX, smoothQCenterY, currentX, currentY);
smoothCCenterX = currentX;
smoothCCenterY = currentY;
skipCommaSpaces();
}
|
| protected final void | parseS()Parses a 'S' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
default:
return;
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
}
float x2 = parseNumber();
skipCommaSpaces();
float y2 = parseNumber();
skipCommaSpaces();
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
float smoothX = currentX * 2 - smoothCCenterX;
float smoothY = currentY * 2 - smoothCCenterY;
currentX = x;
currentY = y;
p.curveTo(smoothX, smoothY,
x2, y2,
currentX, currentY);
smoothCCenterX = x2;
smoothCCenterY = y2;
smoothQCenterX = currentX;
smoothQCenterY = currentY;
skipCommaSpaces();
}
|
| protected final void | parseT()Parses a 'T' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
default:
return;
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
}
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
smoothQCenterX = currentX * 2 - smoothQCenterX;
smoothQCenterY = currentY * 2 - smoothQCenterY;
currentX = x;
currentY = y;
p.quadTo(smoothQCenterX, smoothQCenterY,
currentX, currentY);
smoothCCenterX = currentX;
smoothCCenterY = currentY;
skipCommaSpaces();
}
|
| protected final void | parseV()Parses a 'V' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
float y = parseNumber();
smoothQCenterX = currentX;
smoothCCenterX = currentX;
currentY = y;
smoothQCenterY = y;
smoothCCenterY = y;
p.lineTo(smoothCCenterX, smoothCCenterY);
break;
default:
return;
}
skipCommaSpaces();
}
|
| protected final void | parsec()Parses a 'c' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
default:
return;
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
}
float x1 = parseNumber();
skipCommaSpaces();
float y1 = parseNumber();
skipCommaSpaces();
float x2 = parseNumber();
skipCommaSpaces();
float y2 = parseNumber();
skipCommaSpaces();
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
smoothCCenterX = currentX + x2;
smoothCCenterY = currentY + y2;
smoothQCenterX = currentX + x;
smoothQCenterY = currentY + y;
p.curveTo(currentX + x1, currentY + y1,
smoothCCenterX, smoothCCenterY,
smoothQCenterX, smoothQCenterY);
currentX = smoothQCenterX;
currentY = smoothQCenterY;
skipCommaSpaces();
}
|
| protected final void | parseh()Parses a 'h' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
float x = parseNumber();
currentX += x;
smoothQCenterX = currentX;
smoothCCenterX = currentX;
smoothQCenterY = currentY;
smoothCCenterY = currentY;
p.lineTo(smoothCCenterX, smoothCCenterY);
break;
default:
return;
}
skipCommaSpaces();
}
|
| protected final void | parsel()Parses a 'l' command.
if (current == 'l") {
current = read();
}
skipSpaces();
for (;;) {
switch (current) {
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
currentX += x;
smoothQCenterX = currentX;
smoothCCenterX = currentX;
currentY += y;
smoothQCenterY = currentY;
smoothCCenterY = currentY;
p.lineTo(smoothCCenterX, smoothCCenterY);
break;
default:
return;
}
skipCommaSpaces();
}
|
| protected final void | parsem()Parses a 'm' command.
current = read();
skipSpaces();
final float x = parseNumber();
skipCommaSpaces();
final float y = parseNumber();
currentX += x;
smoothQCenterX = currentX;
smoothCCenterX = currentX;
currentY += y;
smoothQCenterY = currentY;
smoothCCenterY = currentY;
p.moveTo(smoothCCenterX, smoothCCenterY);
lastMoveToX = smoothCCenterX;
lastMoveToY = smoothCCenterY;
skipCommaSpaces();
|
| protected final void | parseq()Parses a 'q' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
default:
return;
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
}
float x1 = parseNumber();
skipCommaSpaces();
float y1 = parseNumber();
skipCommaSpaces();
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
smoothQCenterX = currentX + x1;
smoothQCenterY = currentY + y1;
currentX += x;
currentY += y;
p.quadTo(smoothQCenterX, smoothQCenterY, currentX, currentY);
smoothCCenterX = currentX;
smoothCCenterY = currentY;
skipCommaSpaces();
}
|
| protected final void | parses()Parses a 's' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
default:
return;
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
}
float x2 = parseNumber();
skipCommaSpaces();
float y2 = parseNumber();
skipCommaSpaces();
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
float smoothX = currentX * 2 - smoothCCenterX;
float smoothY = currentY * 2 - smoothCCenterY;
smoothCCenterX = currentX + x2;
smoothCCenterY = currentY + y2;
currentX += x;
currentY += y;
p.curveTo(smoothX, smoothY,
smoothCCenterX, smoothCCenterY,
currentX, currentY);
smoothQCenterX = currentX;
smoothQCenterY = currentY;
skipCommaSpaces();
}
|
| protected final void | parset()Parses a 't' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
default:
return;
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
}
float x = parseNumber();
skipCommaSpaces();
float y = parseNumber();
smoothQCenterX = currentX * 2 - smoothQCenterX;
smoothQCenterY = currentY * 2 - smoothQCenterY;
currentX += x;
currentY += y;
p.quadTo(smoothQCenterX, smoothQCenterY, currentX, currentY);
smoothCCenterX = currentX;
smoothCCenterY = currentY;
skipCommaSpaces();
}
|
| protected final void | parsev()Parses a 'v' command.
current = read();
skipSpaces();
for (;;) {
switch (current) {
case '+": case '-": case '.":
case '0": case '1": case '2": case '3": case '4":
case '5": case '6": case '7": case '8": case '9":
float y = parseNumber();
smoothQCenterX = currentX;
smoothCCenterX = currentX;
currentY += y;
smoothQCenterY = currentY;
smoothCCenterY = currentY;
p.lineTo(smoothCCenterX, smoothCCenterY);
break;
default:
return;
}
skipCommaSpaces();
}
|
| protected com.sun.perseus.j2d.Path | preparePath()Pre-parses the path data to allocate the optimal number of commands and data
for the path.
int commandCapacity = 0;
int dataCapacity = 0;
current = read();
while (current != -1) {
skipCommaSpaces();
switch (current) {
case 'z":
case 'Z":
commandCapacity++;
break;
case 'm":
case 'l":
case 'M":
case 'L":
case 'h":
case 'H":
case 'v":
case 'V":
commandCapacity++;
dataCapacity += 1;
break;
case 'c":
case 'C":
case 's":
case 'S":
commandCapacity++;
dataCapacity += 3;
break;
case 'q":
case 'Q":
case 't":
case 'T":
commandCapacity++;
dataCapacity += 2;
break;
default:
break;
}
current = read();
}
return new Path(commandCapacity, dataCapacity);
|
