Java Code Examples for java.awt.geom.PathIterator#getWindingRule()
The following examples show how to use
java.awt.geom.PathIterator#getWindingRule() .
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Example 1
| Source File: ShapeUtils.java From pumpernickel with MIT License | 5 votes |
|
public static Shape clone(Shape shape) {
if (shape == null)
return null;
if (shape instanceof RectangularShape)
return (Shape) ((RectangularShape) shape).clone();
if (shape instanceof Line2D)
return (Shape) ((Line2D) shape).clone();
PathIterator pi = shape.getPathIterator(null);
Path2D p = new Path2D.Float(pi.getWindingRule());
p.append(pi, false);
return p;
}
Example 2
| Source File: PSPrinterJob.java From hottub with GNU General Public License v2.0 | 4 votes |
|
/**
* Given a Java2D <code>PathIterator</code> instance,
* this method translates that into a PostScript path..
*/
void convertToPSPath(PathIterator pathIter) {
float[] segment = new float[6];
int segmentType;
/* Map the PathIterator's fill rule into the PostScript
* fill rule.
*/
int fillRule;
if (pathIter.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
fillRule = FILL_EVEN_ODD;
} else {
fillRule = FILL_WINDING;
}
beginPath();
setFillMode(fillRule);
while (pathIter.isDone() == false) {
segmentType = pathIter.currentSegment(segment);
switch (segmentType) {
case PathIterator.SEG_MOVETO:
moveTo(segment[0], segment[1]);
break;
case PathIterator.SEG_LINETO:
lineTo(segment[0], segment[1]);
break;
/* Convert the quad path to a bezier.
*/
case PathIterator.SEG_QUADTO:
float lastX = getPenX();
float lastY = getPenY();
float c1x = lastX + (segment[0] - lastX) * 2 / 3;
float c1y = lastY + (segment[1] - lastY) * 2 / 3;
float c2x = segment[2] - (segment[2] - segment[0]) * 2/ 3;
float c2y = segment[3] - (segment[3] - segment[1]) * 2/ 3;
bezierTo(c1x, c1y,
c2x, c2y,
segment[2], segment[3]);
break;
case PathIterator.SEG_CUBICTO:
bezierTo(segment[0], segment[1],
segment[2], segment[3],
segment[4], segment[5]);
break;
case PathIterator.SEG_CLOSE:
closeSubpath();
break;
}
pathIter.next();
}
}
Example 3
| Source File: PSPrinterJob.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Given a Java2D <code>PathIterator</code> instance,
* this method translates that into a PostScript path..
*/
void convertToPSPath(PathIterator pathIter) {
float[] segment = new float[6];
int segmentType;
/* Map the PathIterator's fill rule into the PostScript
* fill rule.
*/
int fillRule;
if (pathIter.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
fillRule = FILL_EVEN_ODD;
} else {
fillRule = FILL_WINDING;
}
beginPath();
setFillMode(fillRule);
while (pathIter.isDone() == false) {
segmentType = pathIter.currentSegment(segment);
switch (segmentType) {
case PathIterator.SEG_MOVETO:
moveTo(segment[0], segment[1]);
break;
case PathIterator.SEG_LINETO:
lineTo(segment[0], segment[1]);
break;
/* Convert the quad path to a bezier.
*/
case PathIterator.SEG_QUADTO:
float lastX = getPenX();
float lastY = getPenY();
float c1x = lastX + (segment[0] - lastX) * 2 / 3;
float c1y = lastY + (segment[1] - lastY) * 2 / 3;
float c2x = segment[2] - (segment[2] - segment[0]) * 2/ 3;
float c2y = segment[3] - (segment[3] - segment[1]) * 2/ 3;
bezierTo(c1x, c1y,
c2x, c2y,
segment[2], segment[3]);
break;
case PathIterator.SEG_CUBICTO:
bezierTo(segment[0], segment[1],
segment[2], segment[3],
segment[4], segment[5]);
break;
case PathIterator.SEG_CLOSE:
closeSubpath();
break;
}
pathIter.next();
}
}
Example 4
| Source File: GeneralPathObjectDescription.java From pentaho-reporting with GNU Lesser General Public License v2.1 | 4 votes |
|
/**
* Sets the parameters of this description object to match the supplied object.
*
* @param o
* the object (should be an instance of <code>FontDefinition</code>).
* @throws ObjectFactoryException
* if the object is not an instance of <code>Float</code>.
*/
public void setParameterFromObject( final Object o ) throws ObjectFactoryException {
if ( getObjectClass().isAssignableFrom( o.getClass() ) == false ) {
throw new ObjectFactoryException( "Class is not assignable" );
}
final Shape s = (Shape) o;
final PathIterator pi = s.getPathIterator( AffineTransform.getTranslateInstance( 0, 0 ) );
if ( pi.getWindingRule() == PathIterator.WIND_EVEN_ODD ) {
setParameter( GeneralPathObjectDescription.WINDING_RULE_NAME, GeneralPathObjectDescription.WINDING_RULE_EVEN_ODD );
} else {
setParameter( GeneralPathObjectDescription.WINDING_RULE_NAME, GeneralPathObjectDescription.WINDING_RULE_NON_ZERO );
}
final float[] points = new float[GeneralPathObjectDescription.MAX_POINTS];
final ArrayList segments = new ArrayList();
while ( pi.isDone() == false ) {
final int type = pi.currentSegment( points );
final PathIteratorSegment seg = new PathIteratorSegment();
switch ( type ) {
case PathIterator.SEG_CLOSE: {
seg.setSegmentType( PathIterator.SEG_CLOSE );
break;
}
case PathIterator.SEG_CUBICTO: {
seg.setSegmentType( PathIterator.SEG_CUBICTO );
seg.setX1( points[0] );
seg.setY1( points[1] );
seg.setX2( points[2] );
seg.setY2( points[3] );
seg.setX3( points[4] );
seg.setY3( points[5] );
break;
}
case PathIterator.SEG_LINETO: {
seg.setSegmentType( PathIterator.SEG_LINETO );
seg.setX1( points[0] );
seg.setY1( points[1] );
break;
}
case PathIterator.SEG_MOVETO: {
seg.setSegmentType( PathIterator.SEG_MOVETO );
seg.setX1( points[0] );
seg.setY1( points[1] );
break;
}
case PathIterator.SEG_QUADTO: {
seg.setSegmentType( PathIterator.SEG_QUADTO );
seg.setX1( points[0] );
seg.setY1( points[1] );
seg.setX2( points[2] );
seg.setY2( points[3] );
break;
}
default:
throw new IllegalStateException( "Unexpected result from PathIterator." );
}
segments.add( seg );
pi.next();
}
setParameter( GeneralPathObjectDescription.SEGMENTS_NAME, segments
.toArray( new PathIteratorSegment[segments.size()] ) );
}
Example 5
| Source File: TessFont.java From jaamsim with Apache License 2.0 | 4 votes |
|
private TessOutput tesselateString(String s) {
GlyphVector gv = _font.createGlyphVector(_frc, s);
Shape shape = gv.getOutline();
//
AffineTransform at = new AffineTransform();
at.scale(1, -1);
PathIterator pIt = shape.getPathIterator(at, _font.getSize()/200.0);
// Create a GLU tesselator
GLUtessellator tess = GLU.gluNewTess();
CharTesselator tessAdapt = new CharTesselator();
GLU.gluTessCallback(tess, GLU.GLU_TESS_VERTEX, tessAdapt);
GLU.gluTessCallback(tess, GLU.GLU_TESS_BEGIN, tessAdapt);
GLU.gluTessCallback(tess, GLU.GLU_TESS_END, tessAdapt);
GLU.gluTessCallback(tess, GLU.GLU_TESS_COMBINE, tessAdapt);
GLU.gluTessCallback(tess, GLU.GLU_TESS_ERROR, tessAdapt);
int winding = pIt.getWindingRule();
if (winding == PathIterator.WIND_EVEN_ODD)
GLU.gluTessProperty(tess, GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_ODD);
else if (winding == PathIterator.WIND_NON_ZERO)
GLU.gluTessProperty(tess, GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_NONZERO);
else
assert(false); // PathIterator should only return these two winding rules
GLU.gluBeginPolygon(tess);
GLU.gluTessNormal(tess, 0, 0, 1);
double[] first = null;
double[] v;
while (!pIt.isDone()) {
v = new double[3];
int type = pIt.currentSegment(v);
v[2] = 0.0;
if (type == PathIterator.SEG_MOVETO) {
first = v;
GLU.gluNextContour(tess, GLU.GLU_UNKNOWN);
GLU.gluTessVertex(tess, v, 0, v);
}
else if (type == PathIterator.SEG_LINETO) {
GLU.gluTessVertex(tess, v, 0, v);
}
else if (type == PathIterator.SEG_CLOSE) {
assert(first != null); // If this is true, there is an error in the AWT path iterator
GLU.gluTessVertex(tess, first, 0, first);
first = null;
}
else
{
assert(false); // The path itertor should not return other path types here
}
pIt.next();
}
GLU.gluEndPolygon(tess);
int numVerts = tessAdapt.getVerts().size();
double[] verts = new double[numVerts];
int count = 0;
for (double d : tessAdapt.getVerts()) {
verts[count++] = d;
}
TessOutput ret = new TessOutput();
ret.verts = verts;
ret.bounds = gv.getVisualBounds();
ret.advances = new double[s.length()];
for (int i = 0; i < s.length(); ++i) {
ret.advances[i] = gv.getGlyphMetrics(i).getAdvance();
}
return ret;
}
Example 6
| Source File: PSPrinterJob.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
/**
* Given a Java2D <code>PathIterator</code> instance,
* this method translates that into a PostScript path..
*/
void convertToPSPath(PathIterator pathIter) {
float[] segment = new float[6];
int segmentType;
/* Map the PathIterator's fill rule into the PostScript
* fill rule.
*/
int fillRule;
if (pathIter.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
fillRule = FILL_EVEN_ODD;
} else {
fillRule = FILL_WINDING;
}
beginPath();
setFillMode(fillRule);
while (pathIter.isDone() == false) {
segmentType = pathIter.currentSegment(segment);
switch (segmentType) {
case PathIterator.SEG_MOVETO:
moveTo(segment[0], segment[1]);
break;
case PathIterator.SEG_LINETO:
lineTo(segment[0], segment[1]);
break;
/* Convert the quad path to a bezier.
*/
case PathIterator.SEG_QUADTO:
float lastX = getPenX();
float lastY = getPenY();
float c1x = lastX + (segment[0] - lastX) * 2 / 3;
float c1y = lastY + (segment[1] - lastY) * 2 / 3;
float c2x = segment[2] - (segment[2] - segment[0]) * 2/ 3;
float c2y = segment[3] - (segment[3] - segment[1]) * 2/ 3;
bezierTo(c1x, c1y,
c2x, c2y,
segment[2], segment[3]);
break;
case PathIterator.SEG_CUBICTO:
bezierTo(segment[0], segment[1],
segment[2], segment[3],
segment[4], segment[5]);
break;
case PathIterator.SEG_CLOSE:
closeSubpath();
break;
}
pathIter.next();
}
}
Example 7
| Source File: WPathGraphics.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
/**
* Given a Java2D <code>PathIterator</code> instance,
* this method translates that into a Window's path
* in the printer device context.
*/
private void convertToWPath(PathIterator pathIter) {
float[] segment = new float[6];
int segmentType;
WPrinterJob wPrinterJob = (WPrinterJob) getPrinterJob();
/* Map the PathIterator's fill rule into the Window's
* polygon fill rule.
*/
int polyFillRule;
if (pathIter.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
polyFillRule = WPrinterJob.POLYFILL_ALTERNATE;
} else {
polyFillRule = WPrinterJob.POLYFILL_WINDING;
}
wPrinterJob.setPolyFillMode(polyFillRule);
wPrinterJob.beginPath();
while (pathIter.isDone() == false) {
segmentType = pathIter.currentSegment(segment);
switch (segmentType) {
case PathIterator.SEG_MOVETO:
wPrinterJob.moveTo(segment[0], segment[1]);
break;
case PathIterator.SEG_LINETO:
wPrinterJob.lineTo(segment[0], segment[1]);
break;
/* Convert the quad path to a bezier.
*/
case PathIterator.SEG_QUADTO:
int lastX = wPrinterJob.getPenX();
int lastY = wPrinterJob.getPenY();
float c1x = lastX + (segment[0] - lastX) * 2 / 3;
float c1y = lastY + (segment[1] - lastY) * 2 / 3;
float c2x = segment[2] - (segment[2] - segment[0]) * 2/ 3;
float c2y = segment[3] - (segment[3] - segment[1]) * 2/ 3;
wPrinterJob.polyBezierTo(c1x, c1y,
c2x, c2y,
segment[2], segment[3]);
break;
case PathIterator.SEG_CUBICTO:
wPrinterJob.polyBezierTo(segment[0], segment[1],
segment[2], segment[3],
segment[4], segment[5]);
break;
case PathIterator.SEG_CLOSE:
wPrinterJob.closeFigure();
break;
}
pathIter.next();
}
wPrinterJob.endPath();
}
Example 8
| Source File: Crossings.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
public static Crossings findCrossings(PathIterator pi,
double xlo, double ylo,
double xhi, double yhi)
{
Crossings cross;
if (pi.getWindingRule() == pi.WIND_EVEN_ODD) {
cross = new EvenOdd(xlo, ylo, xhi, yhi);
} else {
cross = new NonZero(xlo, ylo, xhi, yhi);
}
// coords array is big enough for holding:
// coordinates returned from currentSegment (6)
// OR
// two subdivided quadratic curves (2+4+4=10)
// AND
// 0-1 horizontal splitting parameters
// OR
// 2 parametric equation derivative coefficients
// OR
// three subdivided cubic curves (2+6+6+6=20)
// AND
// 0-2 horizontal splitting parameters
// OR
// 3 parametric equation derivative coefficients
double coords[] = new double[23];
double movx = 0;
double movy = 0;
double curx = 0;
double cury = 0;
double newx, newy;
while (!pi.isDone()) {
int type = pi.currentSegment(coords);
switch (type) {
case PathIterator.SEG_MOVETO:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
movx = curx = coords[0];
movy = cury = coords[1];
break;
case PathIterator.SEG_LINETO:
newx = coords[0];
newy = coords[1];
if (cross.accumulateLine(curx, cury, newx, newy)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_QUADTO:
newx = coords[2];
newy = coords[3];
if (cross.accumulateQuad(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CUBICTO:
newx = coords[4];
newy = coords[5];
if (cross.accumulateCubic(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CLOSE:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
curx = movx;
cury = movy;
break;
}
pi.next();
}
if (movy != cury) {
if (cross.accumulateLine(curx, cury, movx, movy)) {
return null;
}
}
if (debug) {
cross.print();
}
return cross;
}
Example 9
| Source File: Crossings.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public static Crossings findCrossings(PathIterator pi,
double xlo, double ylo,
double xhi, double yhi)
{
Crossings cross;
if (pi.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
cross = new EvenOdd(xlo, ylo, xhi, yhi);
} else {
cross = new NonZero(xlo, ylo, xhi, yhi);
}
// coords array is big enough for holding:
// coordinates returned from currentSegment (6)
// OR
// two subdivided quadratic curves (2+4+4=10)
// AND
// 0-1 horizontal splitting parameters
// OR
// 2 parametric equation derivative coefficients
// OR
// three subdivided cubic curves (2+6+6+6=20)
// AND
// 0-2 horizontal splitting parameters
// OR
// 3 parametric equation derivative coefficients
double coords[] = new double[23];
double movx = 0;
double movy = 0;
double curx = 0;
double cury = 0;
double newx, newy;
while (!pi.isDone()) {
int type = pi.currentSegment(coords);
switch (type) {
case PathIterator.SEG_MOVETO:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
movx = curx = coords[0];
movy = cury = coords[1];
break;
case PathIterator.SEG_LINETO:
newx = coords[0];
newy = coords[1];
if (cross.accumulateLine(curx, cury, newx, newy)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_QUADTO:
newx = coords[2];
newy = coords[3];
if (cross.accumulateQuad(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CUBICTO:
newx = coords[4];
newy = coords[5];
if (cross.accumulateCubic(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CLOSE:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
curx = movx;
cury = movy;
break;
}
pi.next();
}
if (movy != cury) {
if (cross.accumulateLine(curx, cury, movx, movy)) {
return null;
}
}
if (debug) {
cross.print();
}
return cross;
}
Example 10
| Source File: Crossings.java From Bytecoder with Apache License 2.0 | 4 votes |
|
public static Crossings findCrossings(PathIterator pi,
double xlo, double ylo,
double xhi, double yhi)
{
Crossings cross;
if (pi.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
cross = new EvenOdd(xlo, ylo, xhi, yhi);
} else {
cross = new NonZero(xlo, ylo, xhi, yhi);
}
// coords array is big enough for holding:
// coordinates returned from currentSegment (6)
// OR
// two subdivided quadratic curves (2+4+4=10)
// AND
// 0-1 horizontal splitting parameters
// OR
// 2 parametric equation derivative coefficients
// OR
// three subdivided cubic curves (2+6+6+6=20)
// AND
// 0-2 horizontal splitting parameters
// OR
// 3 parametric equation derivative coefficients
double[] coords = new double[23];
double movx = 0;
double movy = 0;
double curx = 0;
double cury = 0;
double newx, newy;
while (!pi.isDone()) {
int type = pi.currentSegment(coords);
switch (type) {
case PathIterator.SEG_MOVETO:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
movx = curx = coords[0];
movy = cury = coords[1];
break;
case PathIterator.SEG_LINETO:
newx = coords[0];
newy = coords[1];
if (cross.accumulateLine(curx, cury, newx, newy)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_QUADTO:
newx = coords[2];
newy = coords[3];
if (cross.accumulateQuad(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CUBICTO:
newx = coords[4];
newy = coords[5];
if (cross.accumulateCubic(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CLOSE:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
curx = movx;
cury = movy;
break;
}
pi.next();
}
if (movy != cury) {
if (cross.accumulateLine(curx, cury, movx, movy)) {
return null;
}
}
if (debug) {
cross.print();
}
return cross;
}
Example 11
| Source File: PSPrinterJob.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
/**
* Given a Java2D <code>PathIterator</code> instance,
* this method translates that into a PostScript path..
*/
void convertToPSPath(PathIterator pathIter) {
float[] segment = new float[6];
int segmentType;
/* Map the PathIterator's fill rule into the PostScript
* fill rule.
*/
int fillRule;
if (pathIter.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
fillRule = FILL_EVEN_ODD;
} else {
fillRule = FILL_WINDING;
}
beginPath();
setFillMode(fillRule);
while (pathIter.isDone() == false) {
segmentType = pathIter.currentSegment(segment);
switch (segmentType) {
case PathIterator.SEG_MOVETO:
moveTo(segment[0], segment[1]);
break;
case PathIterator.SEG_LINETO:
lineTo(segment[0], segment[1]);
break;
/* Convert the quad path to a bezier.
*/
case PathIterator.SEG_QUADTO:
float lastX = getPenX();
float lastY = getPenY();
float c1x = lastX + (segment[0] - lastX) * 2 / 3;
float c1y = lastY + (segment[1] - lastY) * 2 / 3;
float c2x = segment[2] - (segment[2] - segment[0]) * 2/ 3;
float c2y = segment[3] - (segment[3] - segment[1]) * 2/ 3;
bezierTo(c1x, c1y,
c2x, c2y,
segment[2], segment[3]);
break;
case PathIterator.SEG_CUBICTO:
bezierTo(segment[0], segment[1],
segment[2], segment[3],
segment[4], segment[5]);
break;
case PathIterator.SEG_CLOSE:
closeSubpath();
break;
}
pathIter.next();
}
}
Example 12
| Source File: Crossings.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
public static Crossings findCrossings(PathIterator pi,
double xlo, double ylo,
double xhi, double yhi)
{
Crossings cross;
if (pi.getWindingRule() == pi.WIND_EVEN_ODD) {
cross = new EvenOdd(xlo, ylo, xhi, yhi);
} else {
cross = new NonZero(xlo, ylo, xhi, yhi);
}
// coords array is big enough for holding:
// coordinates returned from currentSegment (6)
// OR
// two subdivided quadratic curves (2+4+4=10)
// AND
// 0-1 horizontal splitting parameters
// OR
// 2 parametric equation derivative coefficients
// OR
// three subdivided cubic curves (2+6+6+6=20)
// AND
// 0-2 horizontal splitting parameters
// OR
// 3 parametric equation derivative coefficients
double coords[] = new double[23];
double movx = 0;
double movy = 0;
double curx = 0;
double cury = 0;
double newx, newy;
while (!pi.isDone()) {
int type = pi.currentSegment(coords);
switch (type) {
case PathIterator.SEG_MOVETO:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
movx = curx = coords[0];
movy = cury = coords[1];
break;
case PathIterator.SEG_LINETO:
newx = coords[0];
newy = coords[1];
if (cross.accumulateLine(curx, cury, newx, newy)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_QUADTO:
newx = coords[2];
newy = coords[3];
if (cross.accumulateQuad(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CUBICTO:
newx = coords[4];
newy = coords[5];
if (cross.accumulateCubic(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CLOSE:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
curx = movx;
cury = movy;
break;
}
pi.next();
}
if (movy != cury) {
if (cross.accumulateLine(curx, cury, movx, movy)) {
return null;
}
}
if (debug) {
cross.print();
}
return cross;
}
Example 13
| Source File: Crossings.java From hottub with GNU General Public License v2.0 | 4 votes |
|
public static Crossings findCrossings(PathIterator pi,
double xlo, double ylo,
double xhi, double yhi)
{
Crossings cross;
if (pi.getWindingRule() == pi.WIND_EVEN_ODD) {
cross = new EvenOdd(xlo, ylo, xhi, yhi);
} else {
cross = new NonZero(xlo, ylo, xhi, yhi);
}
// coords array is big enough for holding:
// coordinates returned from currentSegment (6)
// OR
// two subdivided quadratic curves (2+4+4=10)
// AND
// 0-1 horizontal splitting parameters
// OR
// 2 parametric equation derivative coefficients
// OR
// three subdivided cubic curves (2+6+6+6=20)
// AND
// 0-2 horizontal splitting parameters
// OR
// 3 parametric equation derivative coefficients
double coords[] = new double[23];
double movx = 0;
double movy = 0;
double curx = 0;
double cury = 0;
double newx, newy;
while (!pi.isDone()) {
int type = pi.currentSegment(coords);
switch (type) {
case PathIterator.SEG_MOVETO:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
movx = curx = coords[0];
movy = cury = coords[1];
break;
case PathIterator.SEG_LINETO:
newx = coords[0];
newy = coords[1];
if (cross.accumulateLine(curx, cury, newx, newy)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_QUADTO:
newx = coords[2];
newy = coords[3];
if (cross.accumulateQuad(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CUBICTO:
newx = coords[4];
newy = coords[5];
if (cross.accumulateCubic(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CLOSE:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
curx = movx;
cury = movy;
break;
}
pi.next();
}
if (movy != cury) {
if (cross.accumulateLine(curx, cury, movx, movy)) {
return null;
}
}
if (debug) {
cross.print();
}
return cross;
}
Example 14
| Source File: WPathGraphics.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Given a Java2D <code>PathIterator</code> instance,
* this method translates that into a Window's path
* in the printer device context.
*/
private void convertToWPath(PathIterator pathIter) {
float[] segment = new float[6];
int segmentType;
WPrinterJob wPrinterJob = (WPrinterJob) getPrinterJob();
/* Map the PathIterator's fill rule into the Window's
* polygon fill rule.
*/
int polyFillRule;
if (pathIter.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
polyFillRule = WPrinterJob.POLYFILL_ALTERNATE;
} else {
polyFillRule = WPrinterJob.POLYFILL_WINDING;
}
wPrinterJob.setPolyFillMode(polyFillRule);
wPrinterJob.beginPath();
while (pathIter.isDone() == false) {
segmentType = pathIter.currentSegment(segment);
switch (segmentType) {
case PathIterator.SEG_MOVETO:
wPrinterJob.moveTo(segment[0], segment[1]);
break;
case PathIterator.SEG_LINETO:
wPrinterJob.lineTo(segment[0], segment[1]);
break;
/* Convert the quad path to a bezier.
*/
case PathIterator.SEG_QUADTO:
int lastX = wPrinterJob.getPenX();
int lastY = wPrinterJob.getPenY();
float c1x = lastX + (segment[0] - lastX) * 2 / 3;
float c1y = lastY + (segment[1] - lastY) * 2 / 3;
float c2x = segment[2] - (segment[2] - segment[0]) * 2/ 3;
float c2y = segment[3] - (segment[3] - segment[1]) * 2/ 3;
wPrinterJob.polyBezierTo(c1x, c1y,
c2x, c2y,
segment[2], segment[3]);
break;
case PathIterator.SEG_CUBICTO:
wPrinterJob.polyBezierTo(segment[0], segment[1],
segment[2], segment[3],
segment[4], segment[5]);
break;
case PathIterator.SEG_CLOSE:
wPrinterJob.closeFigure();
break;
}
pathIter.next();
}
wPrinterJob.endPath();
}
Example 15
| Source File: WPathGraphics.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Given a Java2D <code>PathIterator</code> instance,
* this method translates that into a Window's path
* in the printer device context.
*/
private void convertToWPath(PathIterator pathIter) {
float[] segment = new float[6];
int segmentType;
WPrinterJob wPrinterJob = (WPrinterJob) getPrinterJob();
/* Map the PathIterator's fill rule into the Window's
* polygon fill rule.
*/
int polyFillRule;
if (pathIter.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
polyFillRule = WPrinterJob.POLYFILL_ALTERNATE;
} else {
polyFillRule = WPrinterJob.POLYFILL_WINDING;
}
wPrinterJob.setPolyFillMode(polyFillRule);
wPrinterJob.beginPath();
while (pathIter.isDone() == false) {
segmentType = pathIter.currentSegment(segment);
switch (segmentType) {
case PathIterator.SEG_MOVETO:
wPrinterJob.moveTo(segment[0], segment[1]);
break;
case PathIterator.SEG_LINETO:
wPrinterJob.lineTo(segment[0], segment[1]);
break;
/* Convert the quad path to a bezier.
*/
case PathIterator.SEG_QUADTO:
int lastX = wPrinterJob.getPenX();
int lastY = wPrinterJob.getPenY();
float c1x = lastX + (segment[0] - lastX) * 2 / 3;
float c1y = lastY + (segment[1] - lastY) * 2 / 3;
float c2x = segment[2] - (segment[2] - segment[0]) * 2/ 3;
float c2y = segment[3] - (segment[3] - segment[1]) * 2/ 3;
wPrinterJob.polyBezierTo(c1x, c1y,
c2x, c2y,
segment[2], segment[3]);
break;
case PathIterator.SEG_CUBICTO:
wPrinterJob.polyBezierTo(segment[0], segment[1],
segment[2], segment[3],
segment[4], segment[5]);
break;
case PathIterator.SEG_CLOSE:
wPrinterJob.closeFigure();
break;
}
pathIter.next();
}
wPrinterJob.endPath();
}
Example 16
| Source File: Crossings.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
public static Crossings findCrossings(PathIterator pi,
double xlo, double ylo,
double xhi, double yhi)
{
Crossings cross;
if (pi.getWindingRule() == pi.WIND_EVEN_ODD) {
cross = new EvenOdd(xlo, ylo, xhi, yhi);
} else {
cross = new NonZero(xlo, ylo, xhi, yhi);
}
// coords array is big enough for holding:
// coordinates returned from currentSegment (6)
// OR
// two subdivided quadratic curves (2+4+4=10)
// AND
// 0-1 horizontal splitting parameters
// OR
// 2 parametric equation derivative coefficients
// OR
// three subdivided cubic curves (2+6+6+6=20)
// AND
// 0-2 horizontal splitting parameters
// OR
// 3 parametric equation derivative coefficients
double coords[] = new double[23];
double movx = 0;
double movy = 0;
double curx = 0;
double cury = 0;
double newx, newy;
while (!pi.isDone()) {
int type = pi.currentSegment(coords);
switch (type) {
case PathIterator.SEG_MOVETO:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
movx = curx = coords[0];
movy = cury = coords[1];
break;
case PathIterator.SEG_LINETO:
newx = coords[0];
newy = coords[1];
if (cross.accumulateLine(curx, cury, newx, newy)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_QUADTO:
newx = coords[2];
newy = coords[3];
if (cross.accumulateQuad(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CUBICTO:
newx = coords[4];
newy = coords[5];
if (cross.accumulateCubic(curx, cury, coords)) {
return null;
}
curx = newx;
cury = newy;
break;
case PathIterator.SEG_CLOSE:
if (movy != cury &&
cross.accumulateLine(curx, cury, movx, movy))
{
return null;
}
curx = movx;
cury = movy;
break;
}
pi.next();
}
if (movy != cury) {
if (cross.accumulateLine(curx, cury, movx, movy)) {
return null;
}
}
if (debug) {
cross.print();
}
return cross;
}
Example 17
| Source File: PiscesRenderingEngine.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 3 votes |
|
/**
* Construct an antialiased tile generator for the given shape with
* the given rendering attributes and store the bounds of the tile
* iteration in the bbox parameter.
* The {@code at} parameter specifies a transform that should affect
* both the shape and the {@code BasicStroke} attributes.
* The {@code clip} parameter specifies the current clip in effect
* in device coordinates and can be used to prune the data for the
* operation, but the renderer is not required to perform any
* clipping.
* If the {@code BasicStroke} parameter is null then the shape
* should be filled as is, otherwise the attributes of the
* {@code BasicStroke} should be used to specify a draw operation.
* The {@code thin} parameter indicates whether or not the
* transformed {@code BasicStroke} represents coordinates smaller
* than the minimum resolution of the antialiasing rasterizer as
* specified by the {@code getMinimumAAPenWidth()} method.
* <p>
* Upon returning, this method will fill the {@code bbox} parameter
* with 4 values indicating the bounds of the iteration of the
* tile generator.
* The iteration order of the tiles will be as specified by the
* pseudo-code:
* <pre>
* for (y = bbox[1]; y < bbox[3]; y += tileheight) {
* for (x = bbox[0]; x < bbox[2]; x += tilewidth) {
* }
* }
* </pre>
* If there is no output to be rendered, this method may return
* null.
*
* @param s the shape to be rendered (fill or draw)
* @param at the transform to be applied to the shape and the
* stroke attributes
* @param clip the current clip in effect in device coordinates
* @param bs if non-null, a {@code BasicStroke} whose attributes
* should be applied to this operation
* @param thin true if the transformed stroke attributes are smaller
* than the minimum dropout pen width
* @param normalize true if the {@code VALUE_STROKE_NORMALIZE}
* {@code RenderingHint} is in effect
* @param bbox returns the bounds of the iteration
* @return the {@code AATileGenerator} instance to be consulted
* for tile coverages, or null if there is no output to render
* @since 1.7
*/
public AATileGenerator getAATileGenerator(Shape s,
AffineTransform at,
Region clip,
BasicStroke bs,
boolean thin,
boolean normalize,
int bbox[])
{
Renderer r;
NormMode norm = (normalize) ? NormMode.ON_WITH_AA : NormMode.OFF;
if (bs == null) {
PathIterator pi;
if (normalize) {
pi = new NormalizingPathIterator(s.getPathIterator(at), norm);
} else {
pi = s.getPathIterator(at);
}
r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
pi.getWindingRule());
pathTo(pi, r);
} else {
r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
PathIterator.WIND_NON_ZERO);
strokeTo(s, at, bs, thin, norm, true, r);
}
r.endRendering();
PiscesTileGenerator ptg = new PiscesTileGenerator(r, r.MAX_AA_ALPHA);
ptg.getBbox(bbox);
return ptg;
}
Example 18
| Source File: PiscesRenderingEngine.java From openjdk-jdk9 with GNU General Public License v2.0 | 3 votes |
|
/**
* Construct an antialiased tile generator for the given shape with
* the given rendering attributes and store the bounds of the tile
* iteration in the bbox parameter.
* The {@code at} parameter specifies a transform that should affect
* both the shape and the {@code BasicStroke} attributes.
* The {@code clip} parameter specifies the current clip in effect
* in device coordinates and can be used to prune the data for the
* operation, but the renderer is not required to perform any
* clipping.
* If the {@code BasicStroke} parameter is null then the shape
* should be filled as is, otherwise the attributes of the
* {@code BasicStroke} should be used to specify a draw operation.
* The {@code thin} parameter indicates whether or not the
* transformed {@code BasicStroke} represents coordinates smaller
* than the minimum resolution of the antialiasing rasterizer as
* specified by the {@code getMinimumAAPenWidth()} method.
* <p>
* Upon returning, this method will fill the {@code bbox} parameter
* with 4 values indicating the bounds of the iteration of the
* tile generator.
* The iteration order of the tiles will be as specified by the
* pseudo-code:
* <pre>
* for (y = bbox[1]; y < bbox[3]; y += tileheight) {
* for (x = bbox[0]; x < bbox[2]; x += tilewidth) {
* }
* }
* </pre>
* If there is no output to be rendered, this method may return
* null.
*
* @param s the shape to be rendered (fill or draw)
* @param at the transform to be applied to the shape and the
* stroke attributes
* @param clip the current clip in effect in device coordinates
* @param bs if non-null, a {@code BasicStroke} whose attributes
* should be applied to this operation
* @param thin true if the transformed stroke attributes are smaller
* than the minimum dropout pen width
* @param normalize true if the {@code VALUE_STROKE_NORMALIZE}
* {@code RenderingHint} is in effect
* @param bbox returns the bounds of the iteration
* @return the {@code AATileGenerator} instance to be consulted
* for tile coverages, or null if there is no output to render
* @since 1.7
*/
public AATileGenerator getAATileGenerator(Shape s,
AffineTransform at,
Region clip,
BasicStroke bs,
boolean thin,
boolean normalize,
int bbox[])
{
Renderer r;
NormMode norm = (normalize) ? NormMode.ON_WITH_AA : NormMode.OFF;
if (bs == null) {
PathIterator pi;
if (normalize) {
pi = new NormalizingPathIterator(s.getPathIterator(at), norm);
} else {
pi = s.getPathIterator(at);
}
r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
pi.getWindingRule());
pathTo(pi, r);
} else {
r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
PathIterator.WIND_NON_ZERO);
strokeTo(s, at, bs, thin, norm, true, r);
}
r.endRendering();
PiscesTileGenerator ptg = new PiscesTileGenerator(r, r.MAX_AA_ALPHA);
ptg.getBbox(bbox);
return ptg;
}
Example 19
| Source File: PiscesRenderingEngine.java From hottub with GNU General Public License v2.0 | 3 votes |
|
/**
* Construct an antialiased tile generator for the given shape with
* the given rendering attributes and store the bounds of the tile
* iteration in the bbox parameter.
* The {@code at} parameter specifies a transform that should affect
* both the shape and the {@code BasicStroke} attributes.
* The {@code clip} parameter specifies the current clip in effect
* in device coordinates and can be used to prune the data for the
* operation, but the renderer is not required to perform any
* clipping.
* If the {@code BasicStroke} parameter is null then the shape
* should be filled as is, otherwise the attributes of the
* {@code BasicStroke} should be used to specify a draw operation.
* The {@code thin} parameter indicates whether or not the
* transformed {@code BasicStroke} represents coordinates smaller
* than the minimum resolution of the antialiasing rasterizer as
* specified by the {@code getMinimumAAPenWidth()} method.
* <p>
* Upon returning, this method will fill the {@code bbox} parameter
* with 4 values indicating the bounds of the iteration of the
* tile generator.
* The iteration order of the tiles will be as specified by the
* pseudo-code:
* <pre>
* for (y = bbox[1]; y < bbox[3]; y += tileheight) {
* for (x = bbox[0]; x < bbox[2]; x += tilewidth) {
* }
* }
* </pre>
* If there is no output to be rendered, this method may return
* null.
*
* @param s the shape to be rendered (fill or draw)
* @param at the transform to be applied to the shape and the
* stroke attributes
* @param clip the current clip in effect in device coordinates
* @param bs if non-null, a {@code BasicStroke} whose attributes
* should be applied to this operation
* @param thin true if the transformed stroke attributes are smaller
* than the minimum dropout pen width
* @param normalize true if the {@code VALUE_STROKE_NORMALIZE}
* {@code RenderingHint} is in effect
* @param bbox returns the bounds of the iteration
* @return the {@code AATileGenerator} instance to be consulted
* for tile coverages, or null if there is no output to render
* @since 1.7
*/
public AATileGenerator getAATileGenerator(Shape s,
AffineTransform at,
Region clip,
BasicStroke bs,
boolean thin,
boolean normalize,
int bbox[])
{
Renderer r;
NormMode norm = (normalize) ? NormMode.ON_WITH_AA : NormMode.OFF;
if (bs == null) {
PathIterator pi;
if (normalize) {
pi = new NormalizingPathIterator(s.getPathIterator(at), norm);
} else {
pi = s.getPathIterator(at);
}
r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
pi.getWindingRule());
pathTo(pi, r);
} else {
r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
PathIterator.WIND_NON_ZERO);
strokeTo(s, at, bs, thin, norm, true, r);
}
r.endRendering();
PiscesTileGenerator ptg = new PiscesTileGenerator(r, r.MAX_AA_ALPHA);
ptg.getBbox(bbox);
return ptg;
}
Example 20
| Source File: PiscesRenderingEngine.java From jdk8u-jdk with GNU General Public License v2.0 | 3 votes |
|
/**
* Construct an antialiased tile generator for the given shape with
* the given rendering attributes and store the bounds of the tile
* iteration in the bbox parameter.
* The {@code at} parameter specifies a transform that should affect
* both the shape and the {@code BasicStroke} attributes.
* The {@code clip} parameter specifies the current clip in effect
* in device coordinates and can be used to prune the data for the
* operation, but the renderer is not required to perform any
* clipping.
* If the {@code BasicStroke} parameter is null then the shape
* should be filled as is, otherwise the attributes of the
* {@code BasicStroke} should be used to specify a draw operation.
* The {@code thin} parameter indicates whether or not the
* transformed {@code BasicStroke} represents coordinates smaller
* than the minimum resolution of the antialiasing rasterizer as
* specified by the {@code getMinimumAAPenWidth()} method.
* <p>
* Upon returning, this method will fill the {@code bbox} parameter
* with 4 values indicating the bounds of the iteration of the
* tile generator.
* The iteration order of the tiles will be as specified by the
* pseudo-code:
* <pre>
* for (y = bbox[1]; y < bbox[3]; y += tileheight) {
* for (x = bbox[0]; x < bbox[2]; x += tilewidth) {
* }
* }
* </pre>
* If there is no output to be rendered, this method may return
* null.
*
* @param s the shape to be rendered (fill or draw)
* @param at the transform to be applied to the shape and the
* stroke attributes
* @param clip the current clip in effect in device coordinates
* @param bs if non-null, a {@code BasicStroke} whose attributes
* should be applied to this operation
* @param thin true if the transformed stroke attributes are smaller
* than the minimum dropout pen width
* @param normalize true if the {@code VALUE_STROKE_NORMALIZE}
* {@code RenderingHint} is in effect
* @param bbox returns the bounds of the iteration
* @return the {@code AATileGenerator} instance to be consulted
* for tile coverages, or null if there is no output to render
* @since 1.7
*/
public AATileGenerator getAATileGenerator(Shape s,
AffineTransform at,
Region clip,
BasicStroke bs,
boolean thin,
boolean normalize,
int bbox[])
{
Renderer r;
NormMode norm = (normalize) ? NormMode.ON_WITH_AA : NormMode.OFF;
if (bs == null) {
PathIterator pi;
if (normalize) {
pi = new NormalizingPathIterator(s.getPathIterator(at), norm);
} else {
pi = s.getPathIterator(at);
}
r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
pi.getWindingRule());
pathTo(pi, r);
} else {
r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
PathIterator.WIND_NON_ZERO);
strokeTo(s, at, bs, thin, norm, true, r);
}
r.endRendering();
PiscesTileGenerator ptg = new PiscesTileGenerator(r, r.MAX_AA_ALPHA);
ptg.getBbox(bbox);
return ptg;
}
