Java Code Examples for java.awt.geom.PathIterator#WIND_EVEN_ODD
The following examples show how to use
java.awt.geom.PathIterator#WIND_EVEN_ODD .
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Example 1
| Source File: CurvedPolyline.java From pumpernickel with MIT License | 6 votes |
|
/**
*
* @param array
* an array of points to create this shape from.
* @param windingRule
* one of the winding constants (PathIterator.WIND_NONZERO or
* PathIterator.WIND_EVEN_ODD)
* @param tx
* an optional AffineTransform to transform this data (may be
* null).
*/
public CurvedPolylineIterator(Point2D[] array, int windingRule,
AffineTransform tx) {
points = new Point2D[array.length];
for (int a = 0; a < array.length; a++) {
if (a == 0 || a == array.length - 1) {
points[a] = new Point2D.Double(array[a].getX(),
array[a].getY());
} else {
Point2D prev = array[a - 1];
Point2D next = array[a + 1];
double theta = Math.atan2(next.getY() - prev.getY(),
next.getX() - prev.getX());
points[a] = new SplinePoint2D(array[a].getX(),
array[a].getY(), theta);
}
}
this.tx = tx;
this.windingRule = windingRule;
if (!(windingRule == PathIterator.WIND_NON_ZERO || windingRule == PathIterator.WIND_EVEN_ODD))
throw new IllegalArgumentException("windingRule = "
+ windingRule);
}
Example 2
| Source File: GeneralPathObjectDescription.java From pentaho-reporting with GNU Lesser General Public License v2.1 | 5 votes |
|
/**
* Translates the winding rule parameter into a predefined PathIterator constant.
*
* @return the translated winding rule or -1 if the rule was invalid.
*/
private int parseWindingRule() {
final String windingRule = (String) getParameter( GeneralPathObjectDescription.WINDING_RULE_NAME );
int wRule = -1;
if ( windingRule == null ) {
return wRule;
}
if ( windingRule.equals( GeneralPathObjectDescription.WINDING_RULE_EVEN_ODD ) ) {
wRule = PathIterator.WIND_EVEN_ODD;
} else if ( windingRule.equals( GeneralPathObjectDescription.WINDING_RULE_NON_ZERO ) ) {
wRule = PathIterator.WIND_NON_ZERO;
}
return wRule;
}
Example 3
| Source File: PSPrinterJob.java From openjdk-jdk8u 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: 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 5
| Source File: PSPrinterJob.java From Bytecoder with Apache License 2.0 | 4 votes |
|
/**
* Given a Java2D {@code PathIterator} 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 6
| Source File: PiscesRenderingEngine.java From hottub with GNU General Public License v2.0 | 4 votes |
|
public AATileGenerator getAATileGenerator(double x, double y,
double dx1, double dy1,
double dx2, double dy2,
double lw1, double lw2,
Region clip,
int bbox[])
{
// REMIND: Deal with large coordinates!
double ldx1, ldy1, ldx2, ldy2;
boolean innerpgram = (lw1 > 0 && lw2 > 0);
if (innerpgram) {
ldx1 = dx1 * lw1;
ldy1 = dy1 * lw1;
ldx2 = dx2 * lw2;
ldy2 = dy2 * lw2;
x -= (ldx1 + ldx2) / 2.0;
y -= (ldy1 + ldy2) / 2.0;
dx1 += ldx1;
dy1 += ldy1;
dx2 += ldx2;
dy2 += ldy2;
if (lw1 > 1 && lw2 > 1) {
// Inner parallelogram was entirely consumed by stroke...
innerpgram = false;
}
} else {
ldx1 = ldy1 = ldx2 = ldy2 = 0;
}
Renderer r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
PathIterator.WIND_EVEN_ODD);
r.moveTo((float) x, (float) y);
r.lineTo((float) (x+dx1), (float) (y+dy1));
r.lineTo((float) (x+dx1+dx2), (float) (y+dy1+dy2));
r.lineTo((float) (x+dx2), (float) (y+dy2));
r.closePath();
if (innerpgram) {
x += ldx1 + ldx2;
y += ldy1 + ldy2;
dx1 -= 2.0 * ldx1;
dy1 -= 2.0 * ldy1;
dx2 -= 2.0 * ldx2;
dy2 -= 2.0 * ldy2;
r.moveTo((float) x, (float) y);
r.lineTo((float) (x+dx1), (float) (y+dy1));
r.lineTo((float) (x+dx1+dx2), (float) (y+dy1+dy2));
r.lineTo((float) (x+dx2), (float) (y+dy2));
r.closePath();
}
r.pathDone();
r.endRendering();
PiscesTileGenerator ptg = new PiscesTileGenerator(r, r.MAX_AA_ALPHA);
ptg.getBbox(bbox);
return ptg;
}
Example 7
| 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 8
| Source File: PiscesRenderingEngine.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
public AATileGenerator getAATileGenerator(double x, double y,
double dx1, double dy1,
double dx2, double dy2,
double lw1, double lw2,
Region clip,
int bbox[])
{
// REMIND: Deal with large coordinates!
double ldx1, ldy1, ldx2, ldy2;
boolean innerpgram = (lw1 > 0 && lw2 > 0);
if (innerpgram) {
ldx1 = dx1 * lw1;
ldy1 = dy1 * lw1;
ldx2 = dx2 * lw2;
ldy2 = dy2 * lw2;
x -= (ldx1 + ldx2) / 2.0;
y -= (ldy1 + ldy2) / 2.0;
dx1 += ldx1;
dy1 += ldy1;
dx2 += ldx2;
dy2 += ldy2;
if (lw1 > 1 && lw2 > 1) {
// Inner parallelogram was entirely consumed by stroke...
innerpgram = false;
}
} else {
ldx1 = ldy1 = ldx2 = ldy2 = 0;
}
Renderer r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
PathIterator.WIND_EVEN_ODD);
r.moveTo((float) x, (float) y);
r.lineTo((float) (x+dx1), (float) (y+dy1));
r.lineTo((float) (x+dx1+dx2), (float) (y+dy1+dy2));
r.lineTo((float) (x+dx2), (float) (y+dy2));
r.closePath();
if (innerpgram) {
x += ldx1 + ldx2;
y += ldy1 + ldy2;
dx1 -= 2.0 * ldx1;
dy1 -= 2.0 * ldy1;
dx2 -= 2.0 * ldx2;
dy2 -= 2.0 * ldy2;
r.moveTo((float) x, (float) y);
r.lineTo((float) (x+dx1), (float) (y+dy1));
r.lineTo((float) (x+dx1+dx2), (float) (y+dy1+dy2));
r.lineTo((float) (x+dx2), (float) (y+dy2));
r.closePath();
}
r.pathDone();
r.endRendering();
PiscesTileGenerator ptg = new PiscesTileGenerator(r, r.MAX_AA_ALPHA);
ptg.getBbox(bbox);
return ptg;
}
Example 9
| Source File: VdPath.java From SVG-Android with Apache License 2.0 | 4 votes |
|
private static int parseFillType(String value) {
if (FILL_TYPE_EVEN_ODD.equalsIgnoreCase(value)) {
return PathIterator.WIND_EVEN_ODD;
}
return PathIterator.WIND_NON_ZERO;
}
Example 10
| 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 11
| 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 12
| Source File: PiscesRenderingEngine.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
public AATileGenerator getAATileGenerator(double x, double y,
double dx1, double dy1,
double dx2, double dy2,
double lw1, double lw2,
Region clip,
int bbox[])
{
// REMIND: Deal with large coordinates!
double ldx1, ldy1, ldx2, ldy2;
boolean innerpgram = (lw1 > 0 && lw2 > 0);
if (innerpgram) {
ldx1 = dx1 * lw1;
ldy1 = dy1 * lw1;
ldx2 = dx2 * lw2;
ldy2 = dy2 * lw2;
x -= (ldx1 + ldx2) / 2.0;
y -= (ldy1 + ldy2) / 2.0;
dx1 += ldx1;
dy1 += ldy1;
dx2 += ldx2;
dy2 += ldy2;
if (lw1 > 1 && lw2 > 1) {
// Inner parallelogram was entirely consumed by stroke...
innerpgram = false;
}
} else {
ldx1 = ldy1 = ldx2 = ldy2 = 0;
}
Renderer r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
PathIterator.WIND_EVEN_ODD);
r.moveTo((float) x, (float) y);
r.lineTo((float) (x+dx1), (float) (y+dy1));
r.lineTo((float) (x+dx1+dx2), (float) (y+dy1+dy2));
r.lineTo((float) (x+dx2), (float) (y+dy2));
r.closePath();
if (innerpgram) {
x += ldx1 + ldx2;
y += ldy1 + ldy2;
dx1 -= 2.0 * ldx1;
dy1 -= 2.0 * ldy1;
dx2 -= 2.0 * ldx2;
dy2 -= 2.0 * ldy2;
r.moveTo((float) x, (float) y);
r.lineTo((float) (x+dx1), (float) (y+dy1));
r.lineTo((float) (x+dx1+dx2), (float) (y+dy1+dy2));
r.lineTo((float) (x+dx2), (float) (y+dy2));
r.closePath();
}
r.pathDone();
r.endRendering();
PiscesTileGenerator ptg = new PiscesTileGenerator(r, r.MAX_AA_ALPHA);
ptg.getBbox(bbox);
return ptg;
}
Example 13
| Source File: WPathGraphics.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Given a Java2D {@code PathIterator} 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 14
| 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 15
| Source File: PSPrinterJob.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 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 16
| Source File: PdfGraphics2D.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
private void followPath(Shape s, int drawType) {
if (s==null) return;
if (drawType==STROKE) {
if (!(stroke instanceof BasicStroke)) {
s = stroke.createStrokedShape(s);
followPath(s, FILL);
return;
}
}
if (drawType==STROKE) {
setStrokeDiff(stroke, oldStroke);
oldStroke = stroke;
setStrokePaint();
}
else if (drawType==FILL)
setFillPaint();
PathIterator points;
int traces = 0;
if (drawType == CLIP)
points = s.getPathIterator(IDENTITY);
else
points = s.getPathIterator(transform);
float[] coords = new float[6];
while(!points.isDone()) {
++traces;
int segtype = points.currentSegment(coords);
normalizeY(coords);
switch(segtype) {
case PathIterator.SEG_CLOSE:
cb.closePath();
break;
case PathIterator.SEG_CUBICTO:
cb.curveTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]);
break;
case PathIterator.SEG_LINETO:
cb.lineTo(coords[0], coords[1]);
break;
case PathIterator.SEG_MOVETO:
cb.moveTo(coords[0], coords[1]);
break;
case PathIterator.SEG_QUADTO:
cb.curveTo(coords[0], coords[1], coords[2], coords[3]);
break;
}
points.next();
}
switch (drawType) {
case FILL:
if (traces > 0) {
if (points.getWindingRule() == PathIterator.WIND_EVEN_ODD)
cb.eoFill();
else
cb.fill();
}
break;
case STROKE:
if (traces > 0)
cb.stroke();
break;
default: //drawType==CLIP
if (traces == 0)
cb.rectangle(0, 0, 0, 0);
if (points.getWindingRule() == PathIterator.WIND_EVEN_ODD)
cb.eoClip();
else
cb.clip();
cb.newPath();
}
}
Example 17
| Source File: EpsGraphics2D.java From osp with GNU General Public License v3.0 | 4 votes |
|
/**
* Appends the commands required to draw a shape on the EPS document.
*/
private void draw(Shape s, String action) {
if(s!=null) {
if(!_transform.isIdentity()) {
s = _transform.createTransformedShape(s);
}
// Update the bounds.
if(!action.equals("clip")) { //$NON-NLS-1$
Rectangle2D shapeBounds = s.getBounds2D();
Rectangle2D visibleBounds = shapeBounds;
if(_clip!=null) {
Rectangle2D clipBounds = _clip.getBounds2D();
visibleBounds = shapeBounds.createIntersection(clipBounds);
}
float lineRadius = _stroke.getLineWidth()/2;
float minX = (float) visibleBounds.getMinX()-lineRadius;
float minY = (float) visibleBounds.getMinY()-lineRadius;
float maxX = (float) visibleBounds.getMaxX()+lineRadius;
float maxY = (float) visibleBounds.getMaxY()+lineRadius;
_document.updateBounds(minX, -minY);
_document.updateBounds(maxX, -maxY);
}
append("newpath"); //$NON-NLS-1$
int type = 0;
float[] coords = new float[6];
PathIterator it = s.getPathIterator(null);
float x0 = 0;
float y0 = 0;
while(!it.isDone()) {
type = it.currentSegment(coords);
float x1 = coords[0];
float y1 = -coords[1];
float x2 = coords[2];
float y2 = -coords[3];
float x3 = coords[4];
float y3 = -coords[5];
if(type==PathIterator.SEG_CLOSE) {
append("closepath"); //$NON-NLS-1$
} else if(type==PathIterator.SEG_CUBICTO) {
append(x1+" "+y1+" "+x2+" "+y2+" "+x3+" "+y3+" curveto"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
x0 = x3;
y0 = y3;
} else if(type==PathIterator.SEG_LINETO) {
append(x1+" "+y1+" lineto"); //$NON-NLS-1$ //$NON-NLS-2$
x0 = x1;
y0 = y1;
} else if(type==PathIterator.SEG_MOVETO) {
append(x1+" "+y1+" moveto"); //$NON-NLS-1$ //$NON-NLS-2$
x0 = x1;
y0 = y1;
} else if(type==PathIterator.SEG_QUADTO) {
// Convert the quad curve into a cubic.
float _x1 = x0+2/3f*(x1-x0);
float _y1 = y0+2/3f*(y1-y0);
float _x2 = x1+1/3f*(x2-x1);
float _y2 = y1+1/3f*(y2-y1);
float _x3 = x2;
float _y3 = y2;
append(_x1+" "+_y1+" "+_x2+" "+_y2+" "+_x3+" "+_y3+" curveto"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
x0 = _x3;
y0 = _y3;
} else if(type==PathIterator.WIND_EVEN_ODD) {
// Ignore.
} else if(type==PathIterator.WIND_NON_ZERO) {
// Ignore.
}
it.next();
}
append(action);
append("newpath"); //$NON-NLS-1$
}
}
Example 18
| Source File: PiscesRenderingEngine.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
public AATileGenerator getAATileGenerator(double x, double y,
double dx1, double dy1,
double dx2, double dy2,
double lw1, double lw2,
Region clip,
int bbox[])
{
// REMIND: Deal with large coordinates!
double ldx1, ldy1, ldx2, ldy2;
boolean innerpgram = (lw1 > 0 && lw2 > 0);
if (innerpgram) {
ldx1 = dx1 * lw1;
ldy1 = dy1 * lw1;
ldx2 = dx2 * lw2;
ldy2 = dy2 * lw2;
x -= (ldx1 + ldx2) / 2.0;
y -= (ldy1 + ldy2) / 2.0;
dx1 += ldx1;
dy1 += ldy1;
dx2 += ldx2;
dy2 += ldy2;
if (lw1 > 1 && lw2 > 1) {
// Inner parallelogram was entirely consumed by stroke...
innerpgram = false;
}
} else {
ldx1 = ldy1 = ldx2 = ldy2 = 0;
}
Renderer r = new Renderer(3, 3,
clip.getLoX(), clip.getLoY(),
clip.getWidth(), clip.getHeight(),
PathIterator.WIND_EVEN_ODD);
r.moveTo((float) x, (float) y);
r.lineTo((float) (x+dx1), (float) (y+dy1));
r.lineTo((float) (x+dx1+dx2), (float) (y+dy1+dy2));
r.lineTo((float) (x+dx2), (float) (y+dy2));
r.closePath();
if (innerpgram) {
x += ldx1 + ldx2;
y += ldy1 + ldy2;
dx1 -= 2.0 * ldx1;
dy1 -= 2.0 * ldy1;
dx2 -= 2.0 * ldx2;
dy2 -= 2.0 * ldy2;
r.moveTo((float) x, (float) y);
r.lineTo((float) (x+dx1), (float) (y+dy1));
r.lineTo((float) (x+dx1+dx2), (float) (y+dy1+dy2));
r.lineTo((float) (x+dx2), (float) (y+dy2));
r.closePath();
}
r.pathDone();
r.endRendering();
PiscesTileGenerator ptg = new PiscesTileGenerator(r, r.MAX_AA_ALPHA);
ptg.getBbox(bbox);
return ptg;
}
Example 19
| 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 20
| Source File: PSPrinterJob.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 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();
}
}
