下面列出了java.awt.BasicStroke#getDashArray ( ) 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。
float[] getScaledDashArray() {
BasicStroke stroke = getStyle().getStroke();
if (stroke == null) {
return null;
}
float[] dashArray = stroke.getDashArray();
float[] scaledDashArray;
if (dashArray != null) {
float scalingFactor = getWidth();
if (scalingFactor <= 0) {
scalingFactor = 1;
}
if (scalingFactor != 1) {
scaledDashArray = DataStructureUtils.cloneAndMultiplyArray(dashArray, scalingFactor);
} else {
scaledDashArray = dashArray;
}
} else {
scaledDashArray = dashArray;
}
return scaledDashArray;
}
public void drawRect(SunGraphics2D sg2d,
int x, int y, int w, int h)
{
if (w >= 0 && h >= 0) {
if (sg2d.strokeState < SunGraphics2D.STROKE_CUSTOM) {
BasicStroke bs = ((BasicStroke) sg2d.stroke);
if (w > 0 && h > 0) {
if (bs.getLineJoin() == BasicStroke.JOIN_MITER &&
bs.getDashArray() == null)
{
double lw = bs.getLineWidth();
drawRectangle(sg2d, x, y, w, h, lw);
return;
}
} else {
// Note: This calls the integer version which
// will verify that the local drawLine optimizations
// work and call super.drawLine(), if not.
drawLine(sg2d, x, y, x+w, y+h);
return;
}
}
super.drawRect(sg2d, x, y, w, h);
}
}
public void drawRect(SunGraphics2D sg2d,
int x, int y, int w, int h)
{
if (w >= 0 && h >= 0) {
if (sg2d.strokeState < SunGraphics2D.STROKE_CUSTOM) {
BasicStroke bs = ((BasicStroke) sg2d.stroke);
if (w > 0 && h > 0) {
if (bs.getLineJoin() == BasicStroke.JOIN_MITER &&
bs.getDashArray() == null)
{
double lw = bs.getLineWidth();
drawRectangle(sg2d, x, y, w, h, lw);
return;
}
} else {
// Note: This calls the integer version which
// will verify that the local drawLine optimizations
// work and call super.drawLine(), if not.
drawLine(sg2d, x, y, x+w, y+h);
return;
}
}
super.drawRect(sg2d, x, y, w, h);
}
}
public String toAttributeValue( final Object o ) throws BeanException {
if ( o instanceof BasicStroke == false ) {
throw new BeanException();
}
final BasicStroke s = (BasicStroke) o;
final float lineWidth = s.getLineWidth();
final int lineJoin = s.getLineJoin();
final float dashPhase = s.getDashPhase();
final int endCap = s.getEndCap();
final float mitterLimit = s.getMiterLimit();
final float[] dashArray = s.getDashArray();
final StringBuilder b = new StringBuilder();
if ( dashArray != null ) {
for ( int i = 0; i < dashArray.length; i++ ) {
if ( i != 0 ) {
b.append( "," );
}
b.append( dashArray[i] );
}
}
return String.format( Locale.US, "BasicStroke:%f:%d:%f:%d:%f:%s", lineWidth, lineJoin, dashPhase, endCap,
mitterLimit, b.toString() );
}
/**
* Performs the writing of a single object.
*
* @param tagName the tag name.
* @param object the object ({@link BasicStroke} expected).
* @param writer the writer.
* @param mPlexAttribute ??
* @param mPlexValue ??
*
* @throws IOException if there is an I/O problem.
* @throws XMLWriterException if there is a problem with the writer.
*/
public void write(final String tagName, final Object object, final XMLWriter writer,
final String mPlexAttribute, final String mPlexValue)
throws IOException, XMLWriterException {
final BasicStroke stroke = (BasicStroke) object;
final float[] dashArray = stroke.getDashArray();
final float dashPhase = stroke.getDashPhase();
final int endCap = stroke.getEndCap();
final int lineJoin = stroke.getLineJoin();
final float lineWidth = stroke.getLineWidth();
final float miterLimit = stroke.getMiterLimit();
final AttributeList attribs = new AttributeList();
if (mPlexAttribute != null) {
attribs.setAttribute(mPlexAttribute, mPlexValue);
}
attribs.setAttribute("type", "basic");
attribs.setAttribute("endCap", String.valueOf(endCap));
attribs.setAttribute("lineJoin", String.valueOf(lineJoin));
attribs.setAttribute("lineWidth", String.valueOf(lineWidth));
attribs.setAttribute("miterLimit", String.valueOf(miterLimit));
if (dashArray != null) {
attribs.setAttribute("dashArray", toString(dashArray));
attribs.setAttribute("dashPhase", String.valueOf(dashPhase));
}
writer.writeTag(tagName, attribs, true);
}
static Stroke setEndCap(Stroke s, int cap) {
if(s instanceof BasicStroke) {
BasicStroke b = (BasicStroke)s;
return new BasicStroke(b.getLineWidth(),
cap,
b.getLineJoin(),
b.getMiterLimit(),
b.getDashArray(),
b.getDashPhase());
}
else return s;
}
public void draw(SunGraphics2D sg2d, Shape s) {
if (sg2d.strokeState < SunGraphics2D.STROKE_CUSTOM) {
BasicStroke bs = ((BasicStroke) sg2d.stroke);
if (s instanceof Rectangle2D) {
if (bs.getLineJoin() == BasicStroke.JOIN_MITER &&
bs.getDashArray() == null)
{
Rectangle2D r2d = (Rectangle2D) s;
double w = r2d.getWidth();
double h = r2d.getHeight();
double x = r2d.getX();
double y = r2d.getY();
if (w >= 0 && h >= 0) {
double lw = bs.getLineWidth();
drawRectangle(sg2d, x, y, w, h, lw);
}
return;
}
} else if (s instanceof Line2D) {
Line2D l2d = (Line2D) s;
if (drawGeneralLine(sg2d,
l2d.getX1(), l2d.getY1(),
l2d.getX2(), l2d.getY2()))
{
return;
}
}
}
outpipe.draw(sg2d, s);
}
public void draw(SunGraphics2D sg2d, Shape s) {
if (sg2d.strokeState < SunGraphics2D.STROKE_CUSTOM) {
BasicStroke bs = ((BasicStroke) sg2d.stroke);
if (s instanceof Rectangle2D) {
if (bs.getLineJoin() == BasicStroke.JOIN_MITER &&
bs.getDashArray() == null)
{
Rectangle2D r2d = (Rectangle2D) s;
double w = r2d.getWidth();
double h = r2d.getHeight();
double x = r2d.getX();
double y = r2d.getY();
if (w >= 0 && h >= 0) {
double lw = bs.getLineWidth();
drawRectangle(sg2d, x, y, w, h, lw);
}
return;
}
} else if (s instanceof Line2D) {
Line2D l2d = (Line2D) s;
if (drawGeneralLine(sg2d,
l2d.getX1(), l2d.getY1(),
l2d.getX2(), l2d.getY2()))
{
return;
}
}
}
outpipe.draw(sg2d, s);
}
public void draw(SunGraphics2D sg2d, Shape s) {
if (sg2d.strokeState < SunGraphics2D.STROKE_CUSTOM) {
BasicStroke bs = ((BasicStroke) sg2d.stroke);
if (s instanceof Rectangle2D) {
if (bs.getLineJoin() == BasicStroke.JOIN_MITER &&
bs.getDashArray() == null)
{
Rectangle2D r2d = (Rectangle2D) s;
double w = r2d.getWidth();
double h = r2d.getHeight();
double x = r2d.getX();
double y = r2d.getY();
if (w >= 0 && h >= 0) {
double lw = bs.getLineWidth();
drawRectangle(sg2d, x, y, w, h, lw);
}
return;
}
} else if (s instanceof Line2D) {
Line2D l2d = (Line2D) s;
if (drawGeneralLine(sg2d,
l2d.getX1(), l2d.getY1(),
l2d.getX2(), l2d.getY2()))
{
return;
}
}
}
outpipe.draw(sg2d, s);
}
public static void saveStroke(final OutputStream stream,
final Stroke stroke, final MemoryData memoryData)
throws IOException {
if (stroke instanceof BasicStroke) {
BasicStroke basickStroke = (BasicStroke) stroke;
saveBoolean(stream, true);
saveDouble(stream, basickStroke.getLineWidth());
saveInteger(stream, basickStroke.getEndCap());
saveInteger(stream, basickStroke.getLineJoin());
saveDouble(stream, basickStroke.getDashPhase());
saveDouble(stream, basickStroke.getMiterLimit());
final float ar[] = basickStroke.getDashArray();
if (ar == null)
saveInteger(stream, -1);
else {
saveInteger(stream, ar.length);
for (final float element : ar)
saveDouble(stream, element);
}
memoryData.stroukes.add(stroke);
} else if (stroke instanceof WayStroke) {
saveBoolean(stream, false);
saveInteger(stream, -10 - ((WayStroke) stroke).getType());
} else if (stroke instanceof ArrowedStroke) {
saveBoolean(stream, false);
saveInteger(stream, -20 - ((ArrowedStroke) stroke).getType());
}
}
protected void applyStroke(SimpleShape<?,?> shape) {
if (_stroke instanceof BasicStroke){
BasicStroke bs = (BasicStroke)_stroke;
shape.setStrokeStyle((double)bs.getLineWidth());
float[] dash = bs.getDashArray();
if (dash != null) {
//TODO: implement more dashing styles
shape.setStrokeStyle(StrokeStyle.LineDash.DASH);
}
}
}
private Stroke transformStroke(Stroke stroke) {
if (!(stroke instanceof BasicStroke)) {
return stroke;
}
BasicStroke st = (BasicStroke) stroke;
float scale = (float) Math.sqrt(Math.abs(transform.getDeterminant()));
float dash[] = st.getDashArray();
if (dash != null) {
for (int k = 0; k < dash.length; ++k) {
dash[k] *= scale;
}
}
return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase() * scale);
}
/**
* {@inheritDoc}
*/
@Override
public void strokeTo(Shape src,
AffineTransform transform,
BasicStroke bs,
boolean thin,
boolean normalize,
boolean antialias,
PathConsumer2D sr)
{
PathStroker stroker = new PathStroker(sr);
PathConsumer consumer = stroker;
float matrix[] = null;
if (!thin) {
stroker.setPenDiameter(bs.getLineWidth());
if (transform != null) {
matrix = getTransformMatrix(transform);
}
stroker.setPenT4(matrix);
stroker.setPenFitting(PenUnits, MinPenUnits);
}
stroker.setCaps(RasterizerCaps[bs.getEndCap()]);
stroker.setCorners(RasterizerCorners[bs.getLineJoin()],
bs.getMiterLimit());
float[] dashes = bs.getDashArray();
if (dashes != null) {
PathDasher dasher = new PathDasher(stroker);
dasher.setDash(dashes, bs.getDashPhase());
if (transform != null && matrix == null) {
matrix = getTransformMatrix(transform);
}
dasher.setDashT4(matrix);
consumer = dasher;
}
try {
PathIterator pi = src.getPathIterator(transform);
feedConsumer(pi, consumer, normalize, 0.25f);
} catch (PathException e) {
throw new InternalError("Unable to Stroke shape ("+
e.getMessage()+")", e);
} finally {
while (consumer != null && consumer != sr) {
PathConsumer next = consumer.getConsumer();
consumer.dispose();
consumer = next;
}
}
}
private void validateBasicStroke(BasicStroke bs) {
boolean aa = (antialiasHint == SunHints.INTVAL_ANTIALIAS_ON);
if (transformState < TRANSFORM_TRANSLATESCALE) {
if (aa) {
if (bs.getLineWidth() <= MinPenSizeAA) {
if (bs.getDashArray() == null) {
strokeState = STROKE_THIN;
} else {
strokeState = STROKE_THINDASHED;
}
} else {
strokeState = STROKE_WIDE;
}
} else {
if (bs == defaultStroke) {
strokeState = STROKE_THIN;
} else if (bs.getLineWidth() <= 1.0f) {
if (bs.getDashArray() == null) {
strokeState = STROKE_THIN;
} else {
strokeState = STROKE_THINDASHED;
}
} else {
strokeState = STROKE_WIDE;
}
}
} else {
double widthsquared;
if ((transform.getType() & NON_UNIFORM_SCALE_MASK) == 0) {
/* sqrt omitted, compare to squared limits below. */
widthsquared = Math.abs(transform.getDeterminant());
} else {
/* First calculate the "maximum scale" of this transform. */
double A = transform.getScaleX(); // m00
double C = transform.getShearX(); // m01
double B = transform.getShearY(); // m10
double D = transform.getScaleY(); // m11
/*
* Given a 2 x 2 affine matrix [ A B ] such that
* [ C D ]
* v' = [x' y'] = [Ax + Cy, Bx + Dy], we want to
* find the maximum magnitude (norm) of the vector v'
* with the constraint (x^2 + y^2 = 1).
* The equation to maximize is
* |v'| = sqrt((Ax+Cy)^2+(Bx+Dy)^2)
* or |v'| = sqrt((AA+BB)x^2 + 2(AC+BD)xy + (CC+DD)y^2).
* Since sqrt is monotonic we can maximize |v'|^2
* instead and plug in the substitution y = sqrt(1 - x^2).
* Trigonometric equalities can then be used to get
* rid of most of the sqrt terms.
*/
double EA = A*A + B*B; // x^2 coefficient
double EB = 2*(A*C + B*D); // xy coefficient
double EC = C*C + D*D; // y^2 coefficient
/*
* There is a lot of calculus omitted here.
*
* Conceptually, in the interests of understanding the
* terms that the calculus produced we can consider
* that EA and EC end up providing the lengths along
* the major axes and the hypot term ends up being an
* adjustment for the additional length along the off-axis
* angle of rotated or sheared ellipses as well as an
* adjustment for the fact that the equation below
* averages the two major axis lengths. (Notice that
* the hypot term contains a part which resolves to the
* difference of these two axis lengths in the absence
* of rotation.)
*
* In the calculus, the ratio of the EB and (EA-EC) terms
* ends up being the tangent of 2*theta where theta is
* the angle that the long axis of the ellipse makes
* with the horizontal axis. Thus, this equation is
* calculating the length of the hypotenuse of a triangle
* along that axis.
*/
double hypot = Math.sqrt(EB*EB + (EA-EC)*(EA-EC));
/* sqrt omitted, compare to squared limits below. */
widthsquared = ((EA + EC + hypot)/2.0);
}
if (bs != defaultStroke) {
widthsquared *= bs.getLineWidth() * bs.getLineWidth();
}
if (widthsquared <=
(aa ? MinPenSizeAASquared : MinPenSizeSquared))
{
if (bs.getDashArray() == null) {
strokeState = STROKE_THIN;
} else {
strokeState = STROKE_THINDASHED;
}
} else {
strokeState = STROKE_WIDE;
}
}
}
private void validateBasicStroke(BasicStroke bs) {
boolean aa = (antialiasHint == SunHints.INTVAL_ANTIALIAS_ON);
if (transformState < TRANSFORM_TRANSLATESCALE) {
if (aa) {
if (bs.getLineWidth() <= MinPenSizeAA) {
if (bs.getDashArray() == null) {
strokeState = STROKE_THIN;
} else {
strokeState = STROKE_THINDASHED;
}
} else {
strokeState = STROKE_WIDE;
}
} else {
if (bs == defaultStroke) {
strokeState = STROKE_THIN;
} else if (bs.getLineWidth() <= 1.0f) {
if (bs.getDashArray() == null) {
strokeState = STROKE_THIN;
} else {
strokeState = STROKE_THINDASHED;
}
} else {
strokeState = STROKE_WIDE;
}
}
} else {
double widthsquared;
if ((transform.getType() & NON_UNIFORM_SCALE_MASK) == 0) {
/* sqrt omitted, compare to squared limits below. */
widthsquared = Math.abs(transform.getDeterminant());
} else {
/* First calculate the "maximum scale" of this transform. */
double A = transform.getScaleX(); // m00
double C = transform.getShearX(); // m01
double B = transform.getShearY(); // m10
double D = transform.getScaleY(); // m11
/*
* Given a 2 x 2 affine matrix [ A B ] such that
* [ C D ]
* v' = [x' y'] = [Ax + Cy, Bx + Dy], we want to
* find the maximum magnitude (norm) of the vector v'
* with the constraint (x^2 + y^2 = 1).
* The equation to maximize is
* |v'| = sqrt((Ax+Cy)^2+(Bx+Dy)^2)
* or |v'| = sqrt((AA+BB)x^2 + 2(AC+BD)xy + (CC+DD)y^2).
* Since sqrt is monotonic we can maximize |v'|^2
* instead and plug in the substitution y = sqrt(1 - x^2).
* Trigonometric equalities can then be used to get
* rid of most of the sqrt terms.
*/
double EA = A*A + B*B; // x^2 coefficient
double EB = 2*(A*C + B*D); // xy coefficient
double EC = C*C + D*D; // y^2 coefficient
/*
* There is a lot of calculus omitted here.
*
* Conceptually, in the interests of understanding the
* terms that the calculus produced we can consider
* that EA and EC end up providing the lengths along
* the major axes and the hypot term ends up being an
* adjustment for the additional length along the off-axis
* angle of rotated or sheared ellipses as well as an
* adjustment for the fact that the equation below
* averages the two major axis lengths. (Notice that
* the hypot term contains a part which resolves to the
* difference of these two axis lengths in the absence
* of rotation.)
*
* In the calculus, the ratio of the EB and (EA-EC) terms
* ends up being the tangent of 2*theta where theta is
* the angle that the long axis of the ellipse makes
* with the horizontal axis. Thus, this equation is
* calculating the length of the hypotenuse of a triangle
* along that axis.
*/
double hypot = Math.sqrt(EB*EB + (EA-EC)*(EA-EC));
/* sqrt omitted, compare to squared limits below. */
widthsquared = ((EA + EC + hypot)/2.0);
}
if (bs != defaultStroke) {
widthsquared *= bs.getLineWidth() * bs.getLineWidth();
}
if (widthsquared <=
(aa ? MinPenSizeAASquared : MinPenSizeSquared))
{
if (bs.getDashArray() == null) {
strokeState = STROKE_THIN;
} else {
strokeState = STROKE_THINDASHED;
}
} else {
strokeState = STROKE_WIDE;
}
}
}
/**
* {@inheritDoc}
*/
@Override
public void strokeTo(Shape src,
AffineTransform transform,
BasicStroke bs,
boolean thin,
boolean normalize,
boolean antialias,
PathConsumer2D sr)
{
PathStroker stroker = new PathStroker(sr);
PathConsumer consumer = stroker;
float matrix[] = null;
if (!thin) {
stroker.setPenDiameter(bs.getLineWidth());
if (transform != null) {
matrix = getTransformMatrix(transform);
}
stroker.setPenT4(matrix);
stroker.setPenFitting(PenUnits, MinPenUnits);
}
stroker.setCaps(RasterizerCaps[bs.getEndCap()]);
stroker.setCorners(RasterizerCorners[bs.getLineJoin()],
bs.getMiterLimit());
float[] dashes = bs.getDashArray();
if (dashes != null) {
PathDasher dasher = new PathDasher(stroker);
dasher.setDash(dashes, bs.getDashPhase());
if (transform != null && matrix == null) {
matrix = getTransformMatrix(transform);
}
dasher.setDashT4(matrix);
consumer = dasher;
}
try {
PathIterator pi = src.getPathIterator(transform);
feedConsumer(pi, consumer, normalize, 0.25f);
} catch (PathException e) {
throw new InternalError("Unable to Stroke shape ("+
e.getMessage()+")", e);
} finally {
while (consumer != null && consumer != sr) {
PathConsumer next = consumer.getConsumer();
consumer.dispose();
consumer = next;
}
}
}
/**
* Draw a line using a pen created using the specified color
* and current stroke properties.
*/
@Override
protected void deviceDrawLine(int xBegin, int yBegin, int xEnd, int yEnd,
Color color) {
Stroke stroke = getStroke();
if (stroke instanceof BasicStroke) {
BasicStroke lineStroke = (BasicStroke) stroke;
if (lineStroke.getDashArray() != null) {
draw(new Line2D.Float(xBegin, yBegin, xEnd, yEnd));
return;
}
float lineWidth = lineStroke.getLineWidth();
Point2D.Float penSize = new Point2D.Float(lineWidth, lineWidth);
AffineTransform deviceTransform = getTransform();
deviceTransform.deltaTransform(penSize, penSize);
float deviceLineWidth = Math.min(Math.abs(penSize.x),
Math.abs(penSize.y));
Point2D.Float begin_pos = new Point2D.Float(xBegin, yBegin);
deviceTransform.transform(begin_pos, begin_pos);
Point2D.Float end_pos = new Point2D.Float(xEnd, yEnd);
deviceTransform.transform(end_pos, end_pos);
int endCap = lineStroke.getEndCap();
int lineJoin = lineStroke.getLineJoin();
/* check if it's a one-pixel line */
if ((end_pos.getX() == begin_pos.getX())
&& (end_pos.getY() == begin_pos.getY())) {
/* endCap other than Round will not print!
* due to Windows GDI limitation, force it to CAP_ROUND
*/
endCap = BasicStroke.CAP_ROUND;
}
WPrinterJob wPrinterJob = (WPrinterJob) getPrinterJob();
/* call native function that creates pen with style */
if (wPrinterJob.selectStylePen(endCap, lineJoin,
deviceLineWidth, color)) {
wPrinterJob.moveTo((float)begin_pos.getX(),
(float)begin_pos.getY());
wPrinterJob.lineTo((float)end_pos.getX(),
(float)end_pos.getY());
}
/* selectStylePen is not supported, must be Win 9X */
else {
/* let's see if we can use a a default pen
* if it's round end (Windows' default style)
* or it's vertical/horizontal
* or stroke is too thin.
*/
double lowerRes = Math.min(wPrinterJob.getXRes(),
wPrinterJob.getYRes());
if ((endCap == BasicStroke.CAP_ROUND) ||
(((xBegin == xEnd) || (yBegin == yEnd)) &&
(deviceLineWidth/lowerRes < MAX_THINLINE_INCHES))) {
wPrinterJob.selectPen(deviceLineWidth, color);
wPrinterJob.moveTo((float)begin_pos.getX(),
(float)begin_pos.getY());
wPrinterJob.lineTo((float)end_pos.getX(),
(float)end_pos.getY());
}
else {
draw(new Line2D.Float(xBegin, yBegin, xEnd, yEnd));
}
}
}
}
/**
* Draw a line using a pen created using the specified color
* and current stroke properties.
*/
@Override
protected void deviceDrawLine(int xBegin, int yBegin, int xEnd, int yEnd,
Color color) {
Stroke stroke = getStroke();
if (stroke instanceof BasicStroke) {
BasicStroke lineStroke = (BasicStroke) stroke;
if (lineStroke.getDashArray() != null) {
draw(new Line2D.Float(xBegin, yBegin, xEnd, yEnd));
return;
}
float lineWidth = lineStroke.getLineWidth();
Point2D.Float penSize = new Point2D.Float(lineWidth, lineWidth);
AffineTransform deviceTransform = getTransform();
deviceTransform.deltaTransform(penSize, penSize);
float deviceLineWidth = Math.min(Math.abs(penSize.x),
Math.abs(penSize.y));
Point2D.Float begin_pos = new Point2D.Float(xBegin, yBegin);
deviceTransform.transform(begin_pos, begin_pos);
Point2D.Float end_pos = new Point2D.Float(xEnd, yEnd);
deviceTransform.transform(end_pos, end_pos);
int endCap = lineStroke.getEndCap();
int lineJoin = lineStroke.getLineJoin();
/* check if it's a one-pixel line */
if ((end_pos.getX() == begin_pos.getX())
&& (end_pos.getY() == begin_pos.getY())) {
/* endCap other than Round will not print!
* due to Windows GDI limitation, force it to CAP_ROUND
*/
endCap = BasicStroke.CAP_ROUND;
}
WPrinterJob wPrinterJob = (WPrinterJob) getPrinterJob();
/* call native function that creates pen with style */
if (wPrinterJob.selectStylePen(endCap, lineJoin,
deviceLineWidth, color)) {
wPrinterJob.moveTo((float)begin_pos.getX(),
(float)begin_pos.getY());
wPrinterJob.lineTo((float)end_pos.getX(),
(float)end_pos.getY());
}
/* selectStylePen is not supported, must be Win 9X */
else {
/* let's see if we can use a a default pen
* if it's round end (Windows' default style)
* or it's vertical/horizontal
* or stroke is too thin.
*/
double lowerRes = Math.min(wPrinterJob.getXRes(),
wPrinterJob.getYRes());
if ((endCap == BasicStroke.CAP_ROUND) ||
(((xBegin == xEnd) || (yBegin == yEnd)) &&
(deviceLineWidth/lowerRes < MAX_THINLINE_INCHES))) {
wPrinterJob.selectPen(deviceLineWidth, color);
wPrinterJob.moveTo((float)begin_pos.getX(),
(float)begin_pos.getY());
wPrinterJob.lineTo((float)end_pos.getX(),
(float)end_pos.getY());
}
else {
draw(new Line2D.Float(xBegin, yBegin, xEnd, yEnd));
}
}
}
}
/**
* Draw a line using a pen created using the specified color
* and current stroke properties.
*/
@Override
protected void deviceDrawLine(int xBegin, int yBegin, int xEnd, int yEnd,
Color color) {
Stroke stroke = getStroke();
if (stroke instanceof BasicStroke) {
BasicStroke lineStroke = (BasicStroke) stroke;
if (lineStroke.getDashArray() != null) {
draw(new Line2D.Float(xBegin, yBegin, xEnd, yEnd));
return;
}
float lineWidth = lineStroke.getLineWidth();
Point2D.Float penSize = new Point2D.Float(lineWidth, lineWidth);
AffineTransform deviceTransform = getTransform();
deviceTransform.deltaTransform(penSize, penSize);
float deviceLineWidth = Math.min(Math.abs(penSize.x),
Math.abs(penSize.y));
Point2D.Float begin_pos = new Point2D.Float(xBegin, yBegin);
deviceTransform.transform(begin_pos, begin_pos);
Point2D.Float end_pos = new Point2D.Float(xEnd, yEnd);
deviceTransform.transform(end_pos, end_pos);
int endCap = lineStroke.getEndCap();
int lineJoin = lineStroke.getLineJoin();
/* check if it's a one-pixel line */
if ((end_pos.getX() == begin_pos.getX())
&& (end_pos.getY() == begin_pos.getY())) {
/* endCap other than Round will not print!
* due to Windows GDI limitation, force it to CAP_ROUND
*/
endCap = BasicStroke.CAP_ROUND;
}
WPrinterJob wPrinterJob = (WPrinterJob) getPrinterJob();
/* call native function that creates pen with style */
if (wPrinterJob.selectStylePen(endCap, lineJoin,
deviceLineWidth, color)) {
wPrinterJob.moveTo((float)begin_pos.getX(),
(float)begin_pos.getY());
wPrinterJob.lineTo((float)end_pos.getX(),
(float)end_pos.getY());
}
/* selectStylePen is not supported, must be Win 9X */
else {
/* let's see if we can use a a default pen
* if it's round end (Windows' default style)
* or it's vertical/horizontal
* or stroke is too thin.
*/
double lowerRes = Math.min(wPrinterJob.getXRes(),
wPrinterJob.getYRes());
if ((endCap == BasicStroke.CAP_ROUND) ||
(((xBegin == xEnd) || (yBegin == yEnd)) &&
(deviceLineWidth/lowerRes < MAX_THINLINE_INCHES))) {
wPrinterJob.selectPen(deviceLineWidth, color);
wPrinterJob.moveTo((float)begin_pos.getX(),
(float)begin_pos.getY());
wPrinterJob.lineTo((float)end_pos.getX(),
(float)end_pos.getY());
}
else {
draw(new Line2D.Float(xBegin, yBegin, xEnd, yEnd));
}
}
}
}
/**
* Draw a line using a pen created using the specified color
* and current stroke properties.
*/
protected void deviceDrawLine(int xBegin, int yBegin, int xEnd, int yEnd,
Color color) {
Stroke stroke = getStroke();
if (stroke instanceof BasicStroke) {
BasicStroke lineStroke = (BasicStroke) stroke;
if (lineStroke.getDashArray() != null) {
draw(new Line2D.Float(xBegin, yBegin, xEnd, yEnd));
return;
}
float lineWidth = lineStroke.getLineWidth();
Point2D.Float penSize = new Point2D.Float(lineWidth, lineWidth);
AffineTransform deviceTransform = getTransform();
deviceTransform.deltaTransform(penSize, penSize);
float deviceLineWidth = Math.min(Math.abs(penSize.x),
Math.abs(penSize.y));
Point2D.Float begin_pos = new Point2D.Float(xBegin, yBegin);
deviceTransform.transform(begin_pos, begin_pos);
Point2D.Float end_pos = new Point2D.Float(xEnd, yEnd);
deviceTransform.transform(end_pos, end_pos);
int endCap = lineStroke.getEndCap();
int lineJoin = lineStroke.getLineJoin();
/* check if it's a one-pixel line */
if ((end_pos.getX() == begin_pos.getX())
&& (end_pos.getY() == begin_pos.getY())) {
/* endCap other than Round will not print!
* due to Windows GDI limitation, force it to CAP_ROUND
*/
endCap = BasicStroke.CAP_ROUND;
}
WPrinterJob wPrinterJob = (WPrinterJob) getPrinterJob();
/* call native function that creates pen with style */
if (wPrinterJob.selectStylePen(endCap, lineJoin,
deviceLineWidth, color)) {
wPrinterJob.moveTo((float)begin_pos.getX(),
(float)begin_pos.getY());
wPrinterJob.lineTo((float)end_pos.getX(),
(float)end_pos.getY());
}
/* selectStylePen is not supported, must be Win 9X */
else {
/* let's see if we can use a a default pen
* if it's round end (Windows' default style)
* or it's vertical/horizontal
* or stroke is too thin.
*/
double lowerRes = Math.min(wPrinterJob.getXRes(),
wPrinterJob.getYRes());
if ((endCap == BasicStroke.CAP_ROUND) ||
(((xBegin == xEnd) || (yBegin == yEnd)) &&
(deviceLineWidth/lowerRes < MAX_THINLINE_INCHES))) {
wPrinterJob.selectPen(deviceLineWidth, color);
wPrinterJob.moveTo((float)begin_pos.getX(),
(float)begin_pos.getY());
wPrinterJob.lineTo((float)end_pos.getX(),
(float)end_pos.getY());
}
else {
draw(new Line2D.Float(xBegin, yBegin, xEnd, yEnd));
}
}
}
}