下面列出了java.nio.ShortBuffer#position ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public static void copy(ShortBuffer srcBuf, int srcStep, ShortBuffer dstBuf, int dstStep, boolean signed) {
int w = Math.min(srcStep, dstStep);
int srcLine = srcBuf.position();
int dstLine = dstBuf.position();
while (srcLine < srcBuf.capacity() && dstLine < dstBuf.capacity()) {
srcBuf.position(srcLine);
dstBuf.position(dstLine);
w = Math.min(Math.min(w, srcBuf.remaining()), dstBuf.remaining());
for (int x = 0; x < w; x++) {
int in = signed ? srcBuf.get() : srcBuf.get() & 0xFFFF;
short out = (short) in;
dstBuf.put(out);
}
srcLine += srcStep;
dstLine += dstStep;
}
}
public static ShortBuffer ensureLargeEnough(ShortBuffer buffer, int required) {
if (buffer != null) {
buffer.limit(buffer.capacity());
}
if (buffer == null || (buffer.remaining() < required)) {
int position = (buffer != null ? buffer.position() : 0);
ShortBuffer newVerts = createShortBuffer(position + required);
if (buffer != null) {
buffer.flip();
newVerts.put(buffer);
newVerts.position(position);
}
buffer = newVerts;
}
return buffer;
}
@Override
public void process(ShortBuffer buffer) throws InterruptedException {
if (ignoredFrames > 0) {
long skipped = Math.min(buffer.remaining(), ignoredFrames);
buffer.position(buffer.position() + (int) skipped);
ignoredFrames -= skipped;
}
ShortBuffer local = buffer.duplicate();
while (buffer.remaining() > 0) {
int chunk = Math.min(buffer.remaining(), frameBuffer.remaining());
local.position(buffer.position());
local.limit(local.position() + chunk);
frameBuffer.put(local);
dispatch();
buffer.position(buffer.position() + chunk);
}
}
private ShortBuffer getElementBuffer(float radius, short rings, short sectors) {
float R = 1f / (float) (rings - 1);
float S = 1f / (float) (sectors - 1);
short r, s;
float x, y, z;
ShortBuffer elementBuffer = GLBuffers.newDirectShortBuffer(rings * sectors * 6);
for (r = 0; r < rings - 1; r++) {
for (s = 0; s < sectors - 1; s++) {
elementBuffer.put((short) (r * sectors + s));
elementBuffer.put((short) (r * sectors + (s + 1)));
elementBuffer.put((short) ((r + 1) * sectors + (s + 1)));
elementBuffer.put((short) ((r + 1) * sectors + (s + 1)));
elementBuffer.put((short) (r * sectors + s));
// elementBuffer.put((short) (r * sectors + (s + 1)));
elementBuffer.put((short) ((r + 1) * sectors + s));
}
}
elementBuffer.position(0);
return elementBuffer;
}
protected void initAllNames(int requestedID, HashSet<String> names) {
byte[] name = new byte[256];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = ((int) sbuffer.get()) & 0xffff;
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
if (nameID == requestedID) {
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
names.add(makeString(name, nameLen, platformID, encodingID));
}
}
}
}
protected void initAllNames(int requestedID, HashSet names) {
byte[] name = new byte[256];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = ((int) sbuffer.get()) & 0xffff;
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
if (nameID == requestedID) {
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
names.add(makeString(name, nameLen, encodingID));
}
}
}
}
protected void initAllNames(int requestedID, HashSet names) {
byte[] name = new byte[256];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = ((int) sbuffer.get()) & 0xffff;
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
if (nameID == requestedID) {
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
names.add(makeString(name, nameLen, encodingID));
}
}
}
}
@Override
public void write(ShortBuffer value, String name, ShortBuffer defVal) throws IOException {
if (value == null) {
return;
}
if (value.equals(defVal)) {
return;
}
Element el = appendElement(name);
el.setAttribute("size", String.valueOf(value.limit()));
StringBuilder buf = new StringBuilder();
int pos = value.position();
value.rewind();
int ctr = 0;
while (value.hasRemaining()) {
ctr++;
buf.append(value.get());
buf.append(" ");
}
if (ctr != value.limit()) {
throw new IOException("'" + name
+ "' buffer contention resulted in write data consistency. "
+ ctr + " values written when should have written "
+ value.limit());
}
if (buf.length() > 0) {
//remove last space
buf.setLength(buf.length() - 1);
}
value.position(pos);
el.setAttribute(dataAttributeName, buf.toString());
currentElement = (Element) el.getParentNode();
}
protected void initAllNames(int requestedID, HashSet<String> names) {
byte[] name = new byte[256];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = ((int) sbuffer.get()) & 0xffff;
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
if (nameID == requestedID) {
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
names.add(makeString(name, nameLen, platformID, encodingID));
}
}
}
}
protected void initAllNames(int requestedID, HashSet names) {
byte[] name = new byte[256];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = ((int) sbuffer.get()) & 0xffff;
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
if (nameID == requestedID) {
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
names.add(makeString(name, nameLen, encodingID));
}
}
}
}
public static ShortBuffer getShortBuffer(final short[] array, int offset){
ShortBuffer bb=ByteBuffer.allocateDirect(
array.length * SHORT_SIZE_BYTES)
.order(ByteOrder.nativeOrder())
.asShortBuffer()
.put(array);
bb.position(offset);
return bb;
}
private void generateMesh(MDAbsObject3D object3D){
int rows = getNumRow();
int columns = getNumColumn();
short r, s;
float[] vertexs = generateVertex();
float[] texcoords = generateTexcoords();
short[] indices = new short[getNumPoint() * 6];
int counter = 0;
int sectorsPlusOne = columns + 1;
for(r = 0; r < rows; r++){
for(s = 0; s < columns; s++) {
short k0 = (short) ((r) * sectorsPlusOne + (s+1)); // (c)
short k1 = (short) ((r+1) * sectorsPlusOne + (s)); //(b)
short k2 = (short) (r * sectorsPlusOne + s); //(a);
short k3 = (short) ((r) * sectorsPlusOne + (s+1)); // (c)
short k4 = (short) ((r+1) * sectorsPlusOne + (s+1)); // (d)
short k5 = (short) ((r+1) * sectorsPlusOne + (s)); //(b)
indices[counter++] = k0;
indices[counter++] = k1;
indices[counter++] = k2;
indices[counter++] = k3;
indices[counter++] = k4;
indices[counter++] = k5;
}
}
// initialize vertex byte buffer for shape coordinates
ByteBuffer bb = ByteBuffer.allocateDirect(
// (# of coordinate values * 4 bytes per float)
vertexs.length * 4);
bb.order(ByteOrder.nativeOrder());
FloatBuffer vertexBuffer = bb.asFloatBuffer();
vertexBuffer.put(vertexs);
vertexBuffer.position(0);
// initialize vertex byte buffer for shape coordinates
ByteBuffer cc = ByteBuffer.allocateDirect(
texcoords.length * 4);
cc.order(ByteOrder.nativeOrder());
FloatBuffer texBuffer = cc.asFloatBuffer();
texBuffer.put(texcoords);
texBuffer.position(0);
// initialize byte buffer for the draw list
ByteBuffer dlb = ByteBuffer.allocateDirect(
// (# of coordinate values * 2 bytes per short)
indices.length * 2);
dlb.order(ByteOrder.nativeOrder());
ShortBuffer indexBuffer = dlb.asShortBuffer();
indexBuffer.put(indices);
indexBuffer.position(0);
object3D.setIndicesBuffer(indexBuffer);
object3D.setTexCoordinateBuffer(0,texBuffer);
object3D.setTexCoordinateBuffer(1,texBuffer);
object3D.setVerticesBuffer(0,vertexBuffer);
object3D.setVerticesBuffer(1,vertexBuffer);
object3D.setNumIndices(indices.length);
}
protected void initNames() {
byte[] name = new byte[256];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = sbuffer.get() & 0xffff;
nameLocale = sun.awt.SunToolkit.getStartupLocale();
short nameLocaleID = getLCIDFromLocale(nameLocale);
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
String tmpName = null;
switch (nameID) {
case FAMILY_NAME_ID:
if (familyName == null || langID == ENGLISH_LOCALE_ID ||
langID == nameLocaleID)
{
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
tmpName = makeString(name, nameLen, encodingID);
if (familyName == null || langID == ENGLISH_LOCALE_ID){
familyName = tmpName;
}
if (langID == nameLocaleID) {
localeFamilyName = tmpName;
}
}
/*
for (int ii=0;ii<nameLen;ii++) {
int val = (int)name[ii]&0xff;
System.err.print(Integer.toHexString(val)+ " ");
}
System.err.println();
System.err.println("familyName="+familyName +
" nameLen="+nameLen+
" langID="+langID+ " eid="+encodingID +
" str len="+familyName.length());
*/
break;
case FULL_NAME_ID:
if (fullName == null || langID == ENGLISH_LOCALE_ID ||
langID == nameLocaleID)
{
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
tmpName = makeString(name, nameLen, encodingID);
if (fullName == null || langID == ENGLISH_LOCALE_ID) {
fullName = tmpName;
}
if (langID == nameLocaleID) {
localeFullName = tmpName;
}
}
break;
}
}
if (localeFamilyName == null) {
localeFamilyName = familyName;
}
if (localeFullName == null) {
localeFullName = fullName;
}
}
}
protected void initNames() {
byte[] name = new byte[256];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = sbuffer.get() & 0xffff;
nameLocale = sun.awt.SunToolkit.getStartupLocale();
short nameLocaleID = getLCIDFromLocale(nameLocale);
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
String tmpName = null;
switch (nameID) {
case FAMILY_NAME_ID:
if (familyName == null || langID == ENGLISH_LOCALE_ID ||
langID == nameLocaleID)
{
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
tmpName = makeString(name, nameLen, encodingID);
if (familyName == null || langID == ENGLISH_LOCALE_ID){
familyName = tmpName;
}
if (langID == nameLocaleID) {
localeFamilyName = tmpName;
}
}
/*
for (int ii=0;ii<nameLen;ii++) {
int val = (int)name[ii]&0xff;
System.err.print(Integer.toHexString(val)+ " ");
}
System.err.println();
System.err.println("familyName="+familyName +
" nameLen="+nameLen+
" langID="+langID+ " eid="+encodingID +
" str len="+familyName.length());
*/
break;
case FULL_NAME_ID:
if (fullName == null || langID == ENGLISH_LOCALE_ID ||
langID == nameLocaleID)
{
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
tmpName = makeString(name, nameLen, encodingID);
if (fullName == null || langID == ENGLISH_LOCALE_ID) {
fullName = tmpName;
}
if (langID == nameLocaleID) {
localeFullName = tmpName;
}
}
break;
}
}
if (localeFamilyName == null) {
localeFamilyName = familyName;
}
if (localeFullName == null) {
localeFullName = fullName;
}
}
}
protected String lookupName(short findLocaleID, int findNameID) {
String foundName = null;
byte[] name = new byte[1024];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = ((int) sbuffer.get()) & 0xffff;
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
if (nameID == findNameID &&
((foundName == null && langID == ENGLISH_LOCALE_ID)
|| langID == findLocaleID)) {
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
foundName = makeString(name, nameLen, encodingID);
if (langID == findLocaleID) {
return foundName;
}
}
}
}
return foundName;
}
protected void compileVertexItems(ShortBuffer vboData) {
/* keep offset of layer data in vbo */
vertexOffset = vboData.position() * RenderBuckets.SHORT_BYTES;
vertexItems.compile(vboData);
}
protected void initNames() {
byte[] name = new byte[256];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = sbuffer.get() & 0xffff;
nameLocale = sun.awt.SunToolkit.getStartupLocale();
short nameLocaleID = getLCIDFromLocale(nameLocale);
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
String tmpName = null;
switch (nameID) {
case FAMILY_NAME_ID:
if (familyName == null || langID == ENGLISH_LOCALE_ID ||
langID == nameLocaleID)
{
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
tmpName = makeString(name, nameLen, encodingID);
if (familyName == null || langID == ENGLISH_LOCALE_ID){
familyName = tmpName;
}
if (langID == nameLocaleID) {
localeFamilyName = tmpName;
}
}
/*
for (int ii=0;ii<nameLen;ii++) {
int val = (int)name[ii]&0xff;
System.err.print(Integer.toHexString(val)+ " ");
}
System.err.println();
System.err.println("familyName="+familyName +
" nameLen="+nameLen+
" langID="+langID+ " eid="+encodingID +
" str len="+familyName.length());
*/
break;
case FULL_NAME_ID:
if (fullName == null || langID == ENGLISH_LOCALE_ID ||
langID == nameLocaleID)
{
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
tmpName = makeString(name, nameLen, encodingID);
if (fullName == null || langID == ENGLISH_LOCALE_ID) {
fullName = tmpName;
}
if (langID == nameLocaleID) {
localeFullName = tmpName;
}
}
break;
}
}
if (localeFamilyName == null) {
localeFamilyName = familyName;
}
if (localeFullName == null) {
localeFullName = fullName;
}
}
}
public void draw(GLDrawContext context, float x, float y) {
boolean imageWasCreatedJustNow = false;
try {
if(geometry == null || !geometry.isValid()) {
geometry = context.storeGeometry( new float[] {0, 0, 0, 0, width, 0, 1, 0,(stride + 1) * width, height, 1, 1, stride * width, height, 0, 1,}, EGeometryFormatType.Texture2D, false, "minimap");
lineGeometry = context.generateGeometry(6, EGeometryFormatType.VertexOnly2D, true, "minimap-frame");
}
if(updateGeometry) {
lineBfr.asFloatBuffer().put(miniMapShapeCalculator.getMiniMapShapeNodes(), 0, 12);
context.updateGeometryAt(lineGeometry, 0, lineBfr);
replaceGeometryValue(context, 4, width);
replaceGeometryValue(context, 8, (stride + 1) * width);
replaceGeometryValue(context, 9, height);
replaceGeometryValue(context, 12, stride * width);
replaceGeometryValue(context, 13, height);
updateGeometry = false;
}
synchronized (updateMutex) {
if (!imageIsValid || texture == null || !texture.isValid()) {
imageWasCreatedJustNow = true;
if (texture != null && texture.isValid()) {
context.deleteTexture(texture);
texture = null;
}
ShortBuffer data = ByteBuffer.allocateDirect(width * height * 2)
.order(ByteOrder.nativeOrder()).asShortBuffer();
for (int i = 0; i < width * height; i++) {
data.put(LineLoader.BLACK);
}
data.position(0);
texture = context.generateTexture(width, height, data, "minimap");
updatedLines.clear();
imageIsValid = true;
}
if (!updatedLines.isEmpty()) {
ShortBuffer currData = ByteBuffer.allocateDirect(width * 2)
.order(ByteOrder.nativeOrder()).asShortBuffer();
for (Integer currLine : updatedLines) {
currData.position(0);
currData.put(buffer[currLine]);
currData.position(0);
context.updateTexture(texture, 0, currLine, width, 1,
currData
);
}
updatedLines.clear();
}
updateMutex.notifyAll();
}
context.draw2D(geometry, texture, EGeometryType.Quad, 0, 4, x, y, 0, 1, 1, 1, null, 1);
drawViewMark(context, x, y);
} catch (IllegalBufferException e) {
if (imageWasCreatedJustNow) {
// TODO: Error reporting
e.printStackTrace();
} else {
// Retry with a new image.
synchronized (updateMutex) {
imageIsValid = false;
}
draw(context, x, y);
}
}
}
public static void generateDome(float radius, int sectors, float degreeY, boolean isUpper, MDDome3D object3D) {
final float PI = (float) Math.PI;
final float PI_2 = (float) (Math.PI / 2);
float percent = degreeY / 360;
int rings = sectors >> 1;
float R = 1f/rings;
float S = 1f/sectors;
short r, s;
float x, y, z;
int lenRings = (int) (rings * percent) + 1;
int lenSectors = sectors + 1;
int numPoint = lenRings * lenSectors;
float[] vertexs = new float[numPoint * 3];
float[] texcoords = new float[numPoint * 2];
short[] indices = new short[numPoint * 6];
int upper = isUpper ? 1 : -1;
int t = 0, v = 0;
for(r = 0; r < lenRings; r++) {
for(s = 0; s < lenSectors; s++) {
x = (float) (Math.cos( 2 * PI * s * S ) * Math.sin( PI * r * R )) * upper;
y = (float) Math.sin( -PI_2 + PI * r * R ) * -upper;
z = (float) (Math.sin( 2 * PI * s * S ) * Math.sin( PI * r * R ));
float a = (float) (Math.cos( 2 * PI * s * S) * r * R / percent)/2.0f + 0.5f;
float b = (float) (Math.sin( 2 * PI * s * S) * r * R / percent)/2.0f + 0.5f;
texcoords[t++] = b;
texcoords[t++] = a;
vertexs[v++] = x * radius;
vertexs[v++] = y * radius;
vertexs[v++] = z * radius;
}
}
int counter = 0;
for(r = 0; r < lenRings - 1; r++){
for(s = 0; s < lenSectors - 1; s++) {
indices[counter++] = (short) (r * lenSectors + s); //(a)
indices[counter++] = (short) ((r+1) * lenSectors + (s)); //(b)
indices[counter++] = (short) ((r) * lenSectors + (s+1)); // (c)
indices[counter++] = (short) ((r) * lenSectors + (s+1)); // (c)
indices[counter++] = (short) ((r+1) * lenSectors + (s)); //(b)
indices[counter++] = (short) ((r+1) * lenSectors + (s+1)); // (d)
}
}
// initialize vertex byte buffer for shape coordinates
ByteBuffer bb = ByteBuffer.allocateDirect(
// (# of coordinate values * 4 bytes per float)
vertexs.length * 4);
bb.order(ByteOrder.nativeOrder());
FloatBuffer vertexBuffer = bb.asFloatBuffer();
vertexBuffer.put(vertexs);
vertexBuffer.position(0);
// initialize vertex byte buffer for shape coordinates
ByteBuffer cc = ByteBuffer.allocateDirect(
texcoords.length * 4);
cc.order(ByteOrder.nativeOrder());
FloatBuffer texBuffer = cc.asFloatBuffer();
texBuffer.put(texcoords);
texBuffer.position(0);
// initialize byte buffer for the draw list
ByteBuffer dlb = ByteBuffer.allocateDirect(
// (# of coordinate values * 2 bytes per short)
indices.length * 2);
dlb.order(ByteOrder.nativeOrder());
ShortBuffer indexBuffer = dlb.asShortBuffer();
indexBuffer.put(indices);
indexBuffer.position(0);
object3D.setIndicesBuffer(indexBuffer);
object3D.setTexCoordinateBuffer(0,texBuffer);
object3D.setTexCoordinateBuffer(1,texBuffer);
object3D.setVerticesBuffer(0,vertexBuffer);
object3D.setVerticesBuffer(1,vertexBuffer);
object3D.setNumIndices(indices.length);
object3D.texCoordinates = texcoords;
}
protected void initNames() {
byte[] name = new byte[256];
ByteBuffer buffer = getTableBuffer(nameTag);
if (buffer != null) {
ShortBuffer sbuffer = buffer.asShortBuffer();
sbuffer.get(); // format - not needed.
short numRecords = sbuffer.get();
/* The name table uses unsigned shorts. Many of these
* are known small values that fit in a short.
* The values that are sizes or offsets into the table could be
* greater than 32767, so read and store those as ints
*/
int stringPtr = sbuffer.get() & 0xffff;
nameLocale = sun.awt.SunToolkit.getStartupLocale();
short nameLocaleID = getLCIDFromLocale(nameLocale);
for (int i=0; i<numRecords; i++) {
short platformID = sbuffer.get();
if (platformID != MS_PLATFORM_ID) {
sbuffer.position(sbuffer.position()+5);
continue; // skip over this record.
}
short encodingID = sbuffer.get();
short langID = sbuffer.get();
short nameID = sbuffer.get();
int nameLen = ((int) sbuffer.get()) & 0xffff;
int namePtr = (((int) sbuffer.get()) & 0xffff) + stringPtr;
String tmpName = null;
switch (nameID) {
case FAMILY_NAME_ID:
if (familyName == null || langID == ENGLISH_LOCALE_ID ||
langID == nameLocaleID)
{
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
tmpName = makeString(name, nameLen, encodingID);
if (familyName == null || langID == ENGLISH_LOCALE_ID){
familyName = tmpName;
}
if (langID == nameLocaleID) {
localeFamilyName = tmpName;
}
}
/*
for (int ii=0;ii<nameLen;ii++) {
int val = (int)name[ii]&0xff;
System.err.print(Integer.toHexString(val)+ " ");
}
System.err.println();
System.err.println("familyName="+familyName +
" nameLen="+nameLen+
" langID="+langID+ " eid="+encodingID +
" str len="+familyName.length());
*/
break;
case FULL_NAME_ID:
if (fullName == null || langID == ENGLISH_LOCALE_ID ||
langID == nameLocaleID)
{
buffer.position(namePtr);
buffer.get(name, 0, nameLen);
tmpName = makeString(name, nameLen, encodingID);
if (fullName == null || langID == ENGLISH_LOCALE_ID) {
fullName = tmpName;
}
if (langID == nameLocaleID) {
localeFullName = tmpName;
}
}
break;
}
}
if (localeFamilyName == null) {
localeFamilyName = familyName;
}
if (localeFullName == null) {
localeFullName = fullName;
}
}
}