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package pt.tumba.parser.swf;
import java.io.IOException;
/**
* A SWF Rectangle structure
*
*@author unknown
*@created 15 de Setembro de 2002
*/
public class Rect {
/**
* Description of the Field
*/
protected int bitSize = -1;
/**
* Description of the Field
*/
protected int minX;
/**
* Description of the Field
*/
protected int minY;
/**
* Description of the Field
*/
protected int maxX;
/**
* Description of the Field
*/
protected int maxY;
/**
* Gets the minX attribute of the Rect object
*
*@return The minX value
*/
public int getMinX() {
return minX;
}
/**
* Gets the minY attribute of the Rect object
*
*@return The minY value
*/
public int getMinY() {
return minY;
}
/**
* Gets the maxX attribute of the Rect object
*
*@return The maxX value
*/
public int getMaxX() {
return maxX;
}
/**
* Gets the maxY attribute of the Rect object
*
*@return The maxY value
*/
public int getMaxY() {
return maxY;
}
/**
* Sets the minX attribute of the Rect object
*
*@param minX The new minX value
*/
public void setMinX(int minX) {
this.minX = minX;
bitSize = -1;
}
/**
* Sets the minY attribute of the Rect object
*
*@param minY The new minY value
*/
public void setMinY(int minY) {
this.minY = minY;
bitSize = -1;
}
/**
* Sets the maxX attribute of the Rect object
*
*@param maxX The new maxX value
*/
public void setMaxX(int maxX) {
this.maxX = maxX;
bitSize = -1;
}
/**
* Sets the maxY attribute of the Rect object
*
*@param maxY The new maxY value
*/
public void setMaxY(int maxY) {
this.maxY = maxY;
bitSize = -1;
}
/**
* Constructor for the Rect object
*
*@param minX Description of the Parameter
*@param minY Description of the Parameter
*@param maxX Description of the Parameter
*@param maxY Description of the Parameter
*/
public Rect(int minX, int minY, int maxX, int maxY) {
this.minX = minX;
this.minY = minY;
this.maxX = maxX;
this.maxY = maxY;
}
/**
* Constructor for the Rect object
*
*@param in Description of the Parameter
*@exception IOException Description of the Exception
*/
public Rect(InStream in) throws IOException {
in.synchBits();
bitSize = (int) in.readUBits(5);
minX = (int) in.readSBits(bitSize);
maxX = (int) in.readSBits(bitSize);
minY = (int) in.readSBits(bitSize);
maxY = (int) in.readSBits(bitSize);
}
/**
* Constructor for the Rect object
*/
public Rect() {
this(0, 0, 11000, 8000);
//default size
}
/**
* Calculate the minimum bit size based on the current values
*
*@return The bitSize value
*/
protected int getBitSize() {
if (bitSize == -1) {
//bitsize not defined
int bsMinX = OutStream.determineSignedBitSize(minX);
int bsMaxX = OutStream.determineSignedBitSize(maxX);
int bsMinY = OutStream.determineSignedBitSize(minY);
int bsMaxY = OutStream.determineSignedBitSize(maxY);
bitSize = bsMinY;
if (bitSize < bsMaxX) {
bitSize = bsMaxX;
}
if (bitSize < bsMinX) {
bitSize = bsMinX;
}
if (bitSize < bsMaxY) {
bitSize = bsMaxY;
}
}
return bitSize;
}
/**
* Gets the length attribute of the Rect object
*
*@return The length value
*/
public long getLength() {
int bits = 5 + (getBitSize() * 4);
int bytes = bits / 8;
if (bytes * 8 < bits) {
bytes++;
}
return bytes;
}
/**
* Write the rect contents to the output stream
*
*@param out Description of the Parameter
*@exception IOException Description of the Exception
*/
public void write(OutStream out) throws IOException {
out.flushBits();
out.writeUBits(5, getBitSize());
out.writeSBits(bitSize, minX);
out.writeSBits(bitSize, maxX);
out.writeSBits(bitSize, minY);
out.writeSBits(bitSize, maxY);
out.flushBits();
}
/**
* Description of the Method
*
*@return Description of the Return Value
*/
public String toString() {
return "Rect bitsize=" + bitSize +
" (" + minX + "," + minY + ")-(" + maxX + "," + maxY + ")";
}
}
Mini Shell