下面列出了java.awt.geom.Line2D#Float ( ) 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。
Shape getUnderlineShape(float thickness,
float x1,
float x2,
float y) {
GeneralPath gp = new GeneralPath();
Line2D.Float line = new Line2D.Float(x1, y, x2, y);
gp.append(stroke.createStrokedShape(line), false);
line.y1 += DEFAULT_THICKNESS;
line.y2 += DEFAULT_THICKNESS;
line.x1 += DEFAULT_THICKNESS;
gp.append(stroke.createStrokedShape(line), false);
return gp;
}
/**
* Draws a horizontal line used to trace the mouse position to the vertical
* axis.
*
* @param g2 the graphics device.
* @param y the y-coordinate of the trace line.
*/
private void drawVerticalAxisTrace(Graphics2D g2, int y) {
Rectangle2D dataArea = getScreenDataArea();
g2.setXORMode(Color.orange);
if (((int) dataArea.getMinY() < y) && (y < (int) dataArea.getMaxY())) {
if (this.horizontalTraceLine != null) {
g2.draw(this.horizontalTraceLine);
this.horizontalTraceLine.setLine((int) dataArea.getMinX(), y,
(int) dataArea.getMaxX(), y);
}
else {
this.horizontalTraceLine = new Line2D.Float(
(int) dataArea.getMinX(), y, (int) dataArea.getMaxX(),
y);
}
g2.draw(this.horizontalTraceLine);
}
// Reset to the default 'overwrite' mode
g2.setPaintMode();
}
Shape getUnderlineShape(float thickness,
float x1,
float x2,
float y) {
GeneralPath gp = new GeneralPath();
Line2D.Float line = new Line2D.Float(x1, y, x2, y);
gp.append(stroke.createStrokedShape(line), false);
line.y1 += DEFAULT_THICKNESS;
line.y2 += DEFAULT_THICKNESS;
line.x1 += DEFAULT_THICKNESS;
gp.append(stroke.createStrokedShape(line), false);
return gp;
}
/**
* Draws a horizontal line used to trace the mouse position to the vertical
* axis.
*
* @param y the y-coordinate of the trace line.
*/
private void drawVerticalAxisTrace(int y) {
Graphics2D g2 = (Graphics2D) getGraphics();
Rectangle2D dataArea = getScreenDataArea();
g2.setXORMode(java.awt.Color.orange);
if (((int) dataArea.getMinY() < y) && (y < (int) dataArea.getMaxY())) {
if (this.horizontalTraceLine != null) {
g2.draw(this.horizontalTraceLine);
this.horizontalTraceLine.setLine((int) dataArea.getMinX(), y,
(int) dataArea.getMaxX(), y);
}
else {
this.horizontalTraceLine = new Line2D.Float(
(int) dataArea.getMinX(), y, (int) dataArea.getMaxX(),
y);
}
g2.draw(this.horizontalTraceLine);
}
}
@Test
public void testCreateTransectProfileText_Byte() throws IOException {
final Product product = new Product("X", "Y", 2, 1);
Band node = product.addBand("name", ProductData.TYPE_INT8);
node.setSynthetic(true);
node.setNoDataValue(0);
node.setNoDataValueUsed(true);
final byte[] data = new byte[product.getSceneRasterWidth() * product.getSceneRasterHeight()];
Arrays.fill(data, (byte) 1);
data[0] = 0; // no data
node.setData(ProductData.createInstance(data));
final Line2D.Float shape = new Line2D.Float(0.5f, 0.5f, 1.5f, 0.5f);
final TransectProfileData profileData = node.createTransectProfileData(shape);
final String profileDataString = StatisticsUtils.TransectProfile.createTransectProfileText(node, profileData);
assertTrue(profileDataString.contains("NaN"));
assertFalse(profileDataString.toLowerCase().contains("no data"));
}
/**
* Draws a vertical line used to trace the mouse position to the horizontal
* axis.
*
* @param x the x-coordinate of the trace line.
*/
private void drawHorizontalAxisTrace(int x) {
Graphics2D g2 = (Graphics2D) getGraphics();
Rectangle2D dataArea = getScreenDataArea();
g2.setXORMode(java.awt.Color.orange);
if (((int) dataArea.getMinX() < x) && (x < (int) dataArea.getMaxX())) {
if (this.verticalTraceLine != null) {
g2.draw(this.verticalTraceLine);
this.verticalTraceLine.setLine(x, (int) dataArea.getMinY(), x,
(int) dataArea.getMaxY());
}
else {
this.verticalTraceLine = new Line2D.Float(x,
(int) dataArea.getMinY(), x, (int) dataArea.getMaxY());
}
g2.draw(this.verticalTraceLine);
}
}
void drawUnderline(Graphics2D g2d,
float thickness,
float x1,
float x2,
float y) {
Stroke saveStroke = g2d.getStroke();
g2d.setStroke(stroke);
Line2D.Float drawLine = new Line2D.Float(x1, y, x2, y);
g2d.draw(drawLine);
drawLine.y1 += DEFAULT_THICKNESS;
drawLine.y2 += DEFAULT_THICKNESS;
drawLine.x1 += DEFAULT_THICKNESS;
g2d.draw(drawLine);
g2d.setStroke(saveStroke);
}
/**
* Draws a horizontal line used to trace the mouse position to the vertical
* axis.
*
* @param g2 the graphics device.
* @param y the y-coordinate of the trace line.
*/
private void drawVerticalAxisTrace(Graphics2D g2, int y) {
Rectangle2D dataArea = getScreenDataArea();
g2.setXORMode(Color.orange);
if (((int) dataArea.getMinY() < y) && (y < (int) dataArea.getMaxY())) {
if (this.horizontalTraceLine != null) {
g2.draw(this.horizontalTraceLine);
this.horizontalTraceLine.setLine((int) dataArea.getMinX(), y,
(int) dataArea.getMaxX(), y);
}
else {
this.horizontalTraceLine = new Line2D.Float(
(int) dataArea.getMinX(), y, (int) dataArea.getMaxX(),
y);
}
g2.draw(this.horizontalTraceLine);
}
// Reset to the default 'overwrite' mode
g2.setPaintMode();
}
/**
* Tests the equal() method.
*/
public void testEqualLine2Ds() {
assertTrue(ShapeUtilities.equal((Line2D) null, (Line2D) null));
Line2D l1 = new Line2D.Float(1.0f, 2.0f, 3.0f, 4.0f);
Line2D l2 = new Line2D.Float(1.0f, 2.0f, 3.0f, 4.0f);
assertTrue(ShapeUtilities.equal(l1, l2));
l1 = new Line2D.Float(4.0f, 3.0f, 2.0f, 1.0f);
assertFalse(ShapeUtilities.equal(l1, l2));
l2 = new Line2D.Float(4.0f, 3.0f, 2.0f, 1.0f);
assertTrue(ShapeUtilities.equal(l1, l2));
l1 = new Line2D.Double(4.0f, 3.0f, 2.0f, 1.0f);
assertTrue(ShapeUtilities.equal(l1, l2));
}
void drawUnderline(Graphics2D g2d,
float thickness,
float x1,
float x2,
float y) {
Stroke saveStroke = g2d.getStroke();
g2d.setStroke(stroke);
Line2D.Float drawLine = new Line2D.Float(x1, y, x2, y);
g2d.draw(drawLine);
drawLine.y1 += DEFAULT_THICKNESS;
drawLine.y2 += DEFAULT_THICKNESS;
drawLine.x1 += DEFAULT_THICKNESS;
g2d.draw(drawLine);
g2d.setStroke(saveStroke);
}
@Override
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
SubstanceColorScheme scheme = SubstanceCortex.ComponentScope.getCurrentSkin(c)
.getColorScheme(c, ColorSchemeAssociationKind.BORDER, ComponentState.ENABLED);
Graphics2D g2d = (Graphics2D) g.create();
// light line on the left-hand side
g2d.setComposite(AlphaComposite.SrcOver);
Color baseColor = scheme.getLightColor();
g2d.setPaint(new GradientPaint(x, y,
new Color(baseColor.getRed(), baseColor.getGreen(), baseColor.getBlue(),
(int) (baseColor.getAlpha() * this.alphaTop)),
x, y + height, new Color(baseColor.getRed(), baseColor.getGreen(),
baseColor.getBlue(), (int) (baseColor.getAlpha() * this.alphaBottom))));
// start one pixel lower so that the top border painted by the
// decoration painter on footers doesn't get overriden
float borderStrokeWidth = 1.0f / (float) NeonCortex.getScaleFactor();
g2d.setStroke(new BasicStroke(borderStrokeWidth));
float topY = y + (skipTopPixel ? borderStrokeWidth : 0);
float bottomY = y + height - borderStrokeWidth - (skipBottomPixel ? borderStrokeWidth : 0);
Line2D.Float line = new Line2D.Float(x, topY, x, bottomY);
g2d.draw(line);
g2d.dispose();
}
/**
* Creates an object based on this description.
*
* @return The object.
*/
public Object createObject() {
final Line2D line = new Line2D.Float();
final float x1 = getFloatParameter("x1");
final float x2 = getFloatParameter("x2");
final float y1 = getFloatParameter("y1");
final float y2 = getFloatParameter("y2");
line.setLine(x1, y1, x2, y2);
return line;
}
/**
* Draws the axis between the two points {@code pt0} and {@code pt1} in
* Java2D space.
*
* @param g2 the graphics target ({@code null} not permitted).
* @param pt0 the starting point for the axis ({@code null} not
* permitted).
* @param pt1 the ending point for the axis ({@code null} not
* permitted).
* @param opposingPt a point on the opposite side of the line from the
* labels ({@code null} not permitted).
* @param tickData the tick data, contains positioning anchors calculated
* by the 3D engine ({@code null} not permitted).
* @param info an object to be populated with rendering info
* ({@code null} permitted).
* @param hinting perform element hinting?
*/
@Override
public void draw(Graphics2D g2, Point2D pt0, Point2D pt1,
Point2D opposingPt, List<TickData> tickData, RenderingInfo info,
boolean hinting) {
if (!isVisible()) {
return;
}
if (pt0.equals(pt1)) { // if the axis starts and ends on the same point
return; // there is nothing we can draw
}
// draw the axis line (if you want no line, setting the line color
// to fully transparent will achieve this)
g2.setStroke(getLineStroke());
g2.setPaint(getLineColor());
Line2D axisLine = new Line2D.Float(pt0, pt1);
g2.draw(axisLine);
// draw the tick marks - during this pass we will also find the maximum
// tick label width
g2.setPaint(this.tickMarkPaint);
g2.setStroke(this.tickMarkStroke);
g2.setFont(getTickLabelFont());
double maxTickLabelWidth = 0.0;
for (TickData t : tickData) {
if (this.tickMarkLength > 0.0) {
Line2D tickLine = Utils2D.createPerpendicularLine(axisLine,
t.getAnchorPt(), this.tickMarkLength, opposingPt);
g2.draw(tickLine);
}
String tickLabel = t.getKeyLabel();
maxTickLabelWidth = Math.max(maxTickLabelWidth,
g2.getFontMetrics().stringWidth(tickLabel));
}
double maxTickLabelDim = maxTickLabelWidth;
if (getTickLabelsVisible()) {
g2.setPaint(getTickLabelColor());
if (this.tickLabelOrientation.equals(
LabelOrientation.PERPENDICULAR)) {
drawPerpendicularTickLabels(g2, axisLine, opposingPt, tickData,
info, hinting);
} else if (this.tickLabelOrientation.equals(
LabelOrientation.PARALLEL)) {
maxTickLabelDim = drawParallelTickLabels(g2, axisLine,
opposingPt, tickData, maxTickLabelWidth, info, hinting);
}
} else {
maxTickLabelDim = 0.0;
}
// draw the axis label if there is one
if (getLabel() != null) {
Shape labelBounds = drawAxisLabel(getLabel(), g2, axisLine,
opposingPt, maxTickLabelDim + this.tickMarkLength
+ this.tickLabelOffset + getLabelOffset(), info, hinting);
}
}
/**
* Returns a legend item for a series.
*
* @param datasetIndex the dataset index (zero-based).
* @param series the series index (zero-based).
*
* @return The legend item (possibly <code>null</code>).
*/
public LegendItem getLegendItem(int datasetIndex, int series) {
CategoryPlot cp = getPlot();
if (cp == null) {
return null;
}
// check that a legend item needs to be displayed...
if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series)) {
return null;
}
CategoryDataset dataset = cp.getDataset(datasetIndex);
String label = getLegendItemLabelGenerator().generateLabel(dataset,
series);
String description = label;
String toolTipText = null;
if (getLegendItemToolTipGenerator() != null) {
toolTipText = getLegendItemToolTipGenerator().generateLabel(
dataset, series);
}
String urlText = null;
if (getLegendItemURLGenerator() != null) {
urlText = getLegendItemURLGenerator().generateLabel(dataset,
series);
}
Shape shape = new Rectangle2D.Double(-4.0, -4.0, 8.0, 8.0);
Paint paint = lookupSeriesPaint(series);
Paint outlinePaint = lookupSeriesOutlinePaint(series);
Stroke outlineStroke = lookupSeriesOutlineStroke(series);
LegendItem result = new LegendItem(label, description, toolTipText,
urlText, true, shape, true, paint, isDrawBarOutline(),
outlinePaint, outlineStroke, false, new Line2D.Float(),
new BasicStroke(1.0f), Color.black);
result.setDataset(dataset);
result.setDatasetIndex(datasetIndex);
result.setSeriesKey(dataset.getRowKey(series));
result.setSeriesIndex(series);
if (this.gradientPaintTransformer != null) {
result.setFillPaintTransformer(this.gradientPaintTransformer);
}
return result;
}
/**
* Clips a given line against the clip rectangle.
* The modification (if needed) is done in place.
* @param line the line to clip
* @return true if line is clipped, false if line is
* totally outside the clip rect.
*/
public boolean clip(Line2D.Float line) {
double p1x = line.getX1();
double p1y = line.getY1();
double p2x = line.getX2();
double p2y = line.getY2();
double qx = 0d;
double qy = 0d;
boolean vertical = p1x == p2x;
double slope = vertical
? 0d
: (p2y-p1y)/(p2x-p1x);
int c1 = regionCode(p1x, p1y);
int c2 = regionCode(p2x, p2y);
while (c1 != INSIDE || c2 != INSIDE) {
if ((c1 & c2) != INSIDE)
return false;
int c = c1 == INSIDE ? c2 : c1;
if ((c & LEFT) != INSIDE) {
qx = xMin;
qy = (Utils.feq(qx, p1x) ? 0 : qx-p1x)*slope + p1y;
}
else if ((c & RIGHT) != INSIDE) {
qx = xMax;
qy = (Utils.feq(qx, p1x) ? 0 : qx-p1x)*slope + p1y;
}
else if ((c & BOTTOM) != INSIDE) {
qy = yMin;
qx = vertical
? p1x
: (Utils.feq(qy, p1y) ? 0 : qy-p1y)/slope + p1x;
}
else if ((c & TOP) != INSIDE) {
qy = yMax;
qx = vertical
? p1x
: (Utils.feq(qy, p1y) ? 0 : qy-p1y)/slope + p1x;
}
if (c == c1) {
p1x = qx;
p1y = qy;
c1 = regionCode(p1x, p1y);
}
else {
p2x = qx;
p2y = qy;
c2 = regionCode(p2x, p2y);
}
}
line.setLine(p1x, p1y, p2x, p2y);
return true;
}
/**
* Returns a collection of legend items for the pie chart.
*
* @return The legend items (never <code>null</code>).
*/
@Override
public LegendItemCollection getLegendItems() {
LegendItemCollection result = new LegendItemCollection();
if (this.dataset == null) {
return result;
}
List keys = this.dataset.getKeys();
int section = 0;
Shape shape = getLegendItemShape();
Iterator iterator = keys.iterator();
while (iterator.hasNext()) {
Comparable key = (Comparable) iterator.next();
Number n = this.dataset.getValue(key);
boolean include;
if (n == null) {
include = !this.ignoreNullValues;
}
else {
double v = n.doubleValue();
if (v == 0.0) {
include = !this.ignoreZeroValues;
}
else {
include = v > 0.0;
}
}
if (include) {
String label = this.legendLabelGenerator.generateSectionLabel(
this.dataset, key);
if (label != null) {
String description = label;
String toolTipText = null;
if (this.legendLabelToolTipGenerator != null) {
toolTipText = this.legendLabelToolTipGenerator
.generateSectionLabel(this.dataset, key);
}
String urlText = null;
if (this.legendLabelURLGenerator != null) {
urlText = this.legendLabelURLGenerator.generateURL(
this.dataset, key, this.pieIndex);
}
Paint paint = lookupSectionPaint(key);
Paint outlinePaint = lookupSectionOutlinePaint(key);
Stroke outlineStroke = lookupSectionOutlineStroke(key);
LegendItem item = new LegendItem(label, description,
toolTipText, urlText, true, shape, true, paint,
true, outlinePaint, outlineStroke,
false, // line not visible
new Line2D.Float(), new BasicStroke(), Color.black);
item.setDataset(getDataset());
item.setSeriesIndex(this.dataset.getIndex(key));
item.setSeriesKey(key);
result.add(item);
}
section++;
}
else {
section++;
}
}
return result;
}
/**
* Returns a legend item for a series.
*
* @param datasetIndex
* the dataset index (zero-based).
* @param series
* the series index (zero-based).
*
* @return The legend item.
*/
public LegendItem getLegendItem(int datasetIndex, int series) {
CategoryPlot cp = getPlot();
if (cp == null) {
return null;
}
CategoryDataset dataset;
dataset = cp.getDataset(datasetIndex);
String label = getLegendItemLabelGenerator().generateLabel(dataset, series);
String description = label;
String toolTipText = null;
if (getLegendItemToolTipGenerator() != null) {
toolTipText = getLegendItemToolTipGenerator().generateLabel(dataset, series);
}
String urlText = null;
if (getLegendItemURLGenerator() != null) {
urlText = getLegendItemURLGenerator().generateLabel(dataset, series);
}
Shape shape = new Rectangle2D.Double(-4.0, -4.0, 8.0, 8.0);
Paint paint = getSeriesPaint(series);
Paint outlinePaint = getSeriesOutlinePaint(series);
Stroke outlineStroke = getSeriesOutlineStroke(series);
// This is the fix for bug #2695
if (paint instanceof java.awt.GradientPaint) {
// When the paintstyle is "shade" use the lighter
// color while with "light" use the darker color
// NOTE: if we take the lighter color (Color2) and make it darker
// and it equals the darker color (Color1) then the paintstyle
// is "shade".
GradientPaint gp = ((GradientPaint) paint);
if (cfCHART.getDarkerColor(gp.getColor2()).equals(gp.getColor1()))
paint = gp.getColor2(); // the lighter color
else
paint = gp.getColor1(); // the darker color
}
return new LegendItem(label, description, toolTipText, urlText, true, shape, true, paint, isDrawBarOutline(), outlinePaint, outlineStroke, false, new Line2D.Float(), new BasicStroke(1.0f), Color.black);
}
/**
* Returns a legend item for a series.
*
* @param datasetIndex
* the dataset index (zero-based).
* @param series
* the series index (zero-based).
*
* @return The legend item.
*/
public LegendItem getLegendItem(int datasetIndex, int series) {
CategoryPlot cp = getPlot();
if (cp == null) {
return null;
}
CategoryDataset dataset;
dataset = cp.getDataset(datasetIndex);
String label = getLegendItemLabelGenerator().generateLabel(dataset, series);
String description = label;
String toolTipText = null;
if (getLegendItemToolTipGenerator() != null) {
toolTipText = getLegendItemToolTipGenerator().generateLabel(dataset, series);
}
String urlText = null;
if (getLegendItemURLGenerator() != null) {
urlText = getLegendItemURLGenerator().generateLabel(dataset, series);
}
Shape shape = new Rectangle2D.Double(-4.0, -4.0, 8.0, 8.0);
Paint paint = getSeriesPaint(series);
Paint outlinePaint = getSeriesOutlinePaint(series);
Stroke outlineStroke = getSeriesOutlineStroke(series);
// This is the fix for bug #2695
if (paint instanceof java.awt.GradientPaint) {
// When the paintstyle is "shade" use the lighter
// color while with "light" use the darker color
// NOTE: if we take the lighter color (Color2) and make it darker
// and it equals the darker color (Color1) then the paintstyle
// is "shade".
GradientPaint gp = ((GradientPaint) paint);
if (cfCHART.getDarkerColor(gp.getColor2()).equals(gp.getColor1()))
paint = gp.getColor2(); // the lighter color
else
paint = gp.getColor1(); // the darker color
}
return new LegendItem(label, description, toolTipText, urlText, true, shape, true, paint, isDrawBarOutline(), outlinePaint, outlineStroke, false, new Line2D.Float(), new BasicStroke(1.0f), Color.black);
}
/**
* Returns a collection of legend items for the pie chart.
*
* @return The legend items (never <code>null</code>).
*/
public LegendItemCollection getLegendItems() {
LegendItemCollection result = new LegendItemCollection();
if (this.dataset == null) {
return result;
}
List keys = this.dataset.getKeys();
int section = 0;
Shape shape = getLegendItemShape();
Iterator iterator = keys.iterator();
while (iterator.hasNext()) {
Comparable key = (Comparable) iterator.next();
Number n = this.dataset.getValue(key);
boolean include = true;
if (n == null) {
include = !this.ignoreNullValues;
}
else {
double v = n.doubleValue();
if (v == 0.0) {
include = !this.ignoreZeroValues;
}
else {
include = v > 0.0;
}
}
if (include) {
String label = this.legendLabelGenerator.generateSectionLabel(
this.dataset, key);
if (label != null) {
String description = label;
String toolTipText = null;
if (this.legendLabelToolTipGenerator != null) {
toolTipText = this.legendLabelToolTipGenerator
.generateSectionLabel(this.dataset, key);
}
String urlText = null;
if (this.legendLabelURLGenerator != null) {
urlText = this.legendLabelURLGenerator.generateURL(
this.dataset, key, this.pieIndex);
}
Paint paint = lookupSectionPaint(key, false);
Paint outlinePaint = lookupSectionOutlinePaint(key, false);
Stroke outlineStroke = lookupSectionOutlineStroke(key,
false);
LegendItem item = new LegendItem(label, description,
toolTipText, urlText, true, shape, true, paint,
true, outlinePaint, outlineStroke,
false, // line not visible
new Line2D.Float(), new BasicStroke(), Color.black);
item.setDataset(getDataset());
item.setSeriesIndex(this.dataset.getIndex(key));
item.setSeriesKey(key);
result.add(item);
}
section++;
}
else {
section++;
}
}
return result;
}
/**
* Returns a legend item for a series.
*
* @param datasetIndex the dataset index (zero-based).
* @param series the series index (zero-based).
*
* @return The legend item (possibly <code>null</code>).
*/
@Override
public LegendItem getLegendItem(int datasetIndex, int series) {
CategoryPlot cp = getPlot();
if (cp == null) {
return null;
}
// check that a legend item needs to be displayed...
if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series)) {
return null;
}
CategoryDataset dataset = cp.getDataset(datasetIndex);
String label = getLegendItemLabelGenerator().generateLabel(dataset,
series);
String description = label;
String toolTipText = null;
if (getLegendItemToolTipGenerator() != null) {
toolTipText = getLegendItemToolTipGenerator().generateLabel(
dataset, series);
}
String urlText = null;
if (getLegendItemURLGenerator() != null) {
urlText = getLegendItemURLGenerator().generateLabel(dataset,
series);
}
Shape shape = lookupLegendShape(series);
Paint paint = lookupSeriesPaint(series);
Paint outlinePaint = lookupSeriesOutlinePaint(series);
Stroke outlineStroke = lookupSeriesOutlineStroke(series);
LegendItem result = new LegendItem(label, description, toolTipText,
urlText, true, shape, true, paint, isDrawBarOutline(),
outlinePaint, outlineStroke, false, new Line2D.Float(),
new BasicStroke(1.0f), Color.black);
result.setLabelFont(lookupLegendTextFont(series));
Paint labelPaint = lookupLegendTextPaint(series);
if (labelPaint != null) {
result.setLabelPaint(labelPaint);
}
result.setDataset(dataset);
result.setDatasetIndex(datasetIndex);
result.setSeriesKey(dataset.getRowKey(series));
result.setSeriesIndex(series);
if (this.gradientPaintTransformer != null) {
result.setFillPaintTransformer(this.gradientPaintTransformer);
}
return result;
}