Java Code Examples for javafx.scene.canvas.GraphicsContext#setLineDashes()
The following examples show how to use
javafx.scene.canvas.GraphicsContext#setLineDashes() .
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Example 1
| Source File: LabelledMarkerRenderer.java From chart-fx with Apache License 2.0 | 5 votes |
|
protected void setGraphicsContextAttributes(final GraphicsContext gc, final String style) {
final Color strokeColor = StyleParser.getColorPropertyValue(style, XYChartCss.STROKE_COLOR);
if (strokeColor == null) {
gc.setStroke(strokeColorMarker);
} else {
gc.setStroke(strokeColor);
}
final Color fillColor = StyleParser.getColorPropertyValue(style, XYChartCss.FILL_COLOR);
if (fillColor == null) {
gc.setFill(strokeColorMarker);
} else {
gc.setFill(fillColor);
}
final Double strokeWidth = StyleParser.getFloatingDecimalPropertyValue(style, XYChartCss.STROKE_WIDTH);
if (strokeWidth == null) {
gc.setLineWidth(strokeLineWidthMarker);
} else {
gc.setLineWidth(strokeWidth);
}
final Font font = StyleParser.getFontPropertyValue(style);
if (font == null) {
gc.setFont(Font.font(LabelledMarkerRenderer.DEFAULT_FONT, LabelledMarkerRenderer.DEFAULT_FONT_SIZE));
} else {
gc.setFont(font);
}
final double[] dashPattern = StyleParser.getFloatingDecimalArrayPropertyValue(style,
XYChartCss.STROKE_DASH_PATTERN);
if (dashPattern == null) {
gc.setLineDashes(strokeDashPattern);
} else {
gc.setLineDashes(dashPattern);
}
}
Example 2
| Source File: DefaultRenderColorScheme.java From chart-fx with Apache License 2.0 | 5 votes |
|
public static void setGraphicsContextAttributes(final GraphicsContext gc, final String style) {
if ((gc == null) || (style == null)) {
return;
}
final Color strokeColor = StyleParser.getColorPropertyValue(style, XYChartCss.STROKE_COLOR);
if (strokeColor != null) {
gc.setStroke(strokeColor);
}
final Color fillColor = StyleParser.getColorPropertyValue(style, XYChartCss.FILL_COLOR);
if (fillColor != null) {
gc.setFill(fillColor);
}
final Double strokeWidth = StyleParser.getFloatingDecimalPropertyValue(style, XYChartCss.STROKE_WIDTH);
if (strokeWidth != null) {
gc.setLineWidth(strokeWidth);
}
final Font font = StyleParser.getFontPropertyValue(style);
if (font != null) {
gc.setFont(font);
}
final double[] dashPattern = StyleParser.getFloatingDecimalArrayPropertyValue(style,
XYChartCss.STROKE_DASH_PATTERN);
if (dashPattern != null) {
gc.setLineDashes(dashPattern);
}
}
Example 3
| Source File: DefaultRenderColorScheme.java From chart-fx with Apache License 2.0 | 5 votes |
|
public static void setLineScheme(final GraphicsContext gc, final String defaultStyle, final int dsIndex) {
AssertUtils.gtEqThanZero("setLineScheme dsIndex", dsIndex);
final Map<String, List<String>> map = splitQuery(defaultStyle);
final Color lineColor = StyleParser.getColorPropertyValue(defaultStyle, XYChartCss.DATASET_STROKE_COLOR);
final double[] lineDash = StyleParser.getStrokeDashPropertyValue(defaultStyle, XYChartCss.STROKE_DASH_PATTERN);
final Color rawColor = lineColor == null ? getStrokeColor(dsIndex) : lineColor;
gc.setLineWidth(defaultStrokeLineWidthProperty().get());
gc.setLineDashes(lineDash);
gc.setFill(getFill(dsIndex));
gc.setStroke(getColorModifier(map, rawColor));
}
Example 4
| Source File: GridRenderer.java From chart-fx with Apache License 2.0 | 5 votes |
|
protected static void applyGraphicsStyleFromLineStyle(final GraphicsContext gc, final Line style) {
gc.setStroke(style.getStroke());
gc.setLineWidth(style.getStrokeWidth());
if (style.getStrokeDashArray() == null || style.getStrokeDashArray().isEmpty()) {
gc.setLineDashes(DEFAULT_GRID_DASH_PATTERM);
} else {
final double[] dashes = style.getStrokeDashArray().stream().mapToDouble(d -> d).toArray();
gc.setLineDashes(dashes);
}
}
Example 5
| Source File: ToolGraphics.java From JetUML with GNU General Public License v3.0 | 5 votes |
|
/**
* Strokes a path, by converting the elements to integer coordinates and then
* aligning them to the center of the pixels, so that it aligns precisely
* with the JavaFX coordinate system. See the documentation for
* javafx.scene.shape.Shape for details.
*
* @param pGraphics The graphics context.
* @param pPath The path to stroke
* @param pStyle The line style for the path.
*/
public static void strokeSharpPath(GraphicsContext pGraphics, Path pPath, LineStyle pStyle)
{
double[] oldDash = pGraphics.getLineDashes();
pGraphics.setLineDashes(pStyle.getLineDashes());
double width = pGraphics.getLineWidth();
pGraphics.setLineWidth(LINE_WIDTH);
applyPath(pGraphics, pPath);
pGraphics.stroke();
pGraphics.setLineDashes(oldDash);
pGraphics.setLineWidth(width);
}
Example 6
| Source File: GanttDisplay.java From Open-Lowcode with Eclipse Public License 2.0 | 4 votes |
|
private void draw() {
GraphicsContext gc = getGraphicsContext2D();
gc.setFill(Color.WHITE);
gc.fillRect(0, 0, getWidth(), getHeight());
Date[] allstartsofday = DateUtils.getAllStartOfDays(startdatedisplaywindow, enddatedisplaywindow,
businesscalendar);
logger.fine(" |-- treating " + allstartsofday.length + " starts of days");
GanttTaskCell.drawSeparators(gc, startdatedisplaywindow, enddatedisplaywindow, getHeight() / 2, 0,
getHeight(), latestCellWidth, businesscalendar, 1);
Font font = Font.font(10);
gc.setFont(font);
gc.setLineDashes(null);
gc.setStroke(Color.BLACK);
gc.setFill(Color.BLACK);
double lasthourx = -50;
double lastdayx = -200;
for (int i = 0; i < allstartsofday.length; i++) {
Date separatortoprint = allstartsofday[i];
double separatorratio = DateUtils.genericDateToCoordinates(separatortoprint, startdatedisplaywindow,
enddatedisplaywindow, businesscalendar).getValue();
double xdate = separatorratio * latestCellWidth + 2;
if (xdate - lastdayx > 50) {
// gc.strokeText(dateformat.format(separatortoprint),xdate, 14);
gc.fillText(dateformat.format(separatortoprint), xdate, 14);
lastdayx = xdate;
}
if (!GanttTaskCell.isReducedDisplay(allstartsofday))
for (int j = businesscalendar.getDaywindowhourstart() + 1; j < businesscalendar
.getDaywindowhourend(); j++) {
Date hour = new Date(separatortoprint.getTime()
+ (j - businesscalendar.getDaywindowhourstart()) * 3600 * 1000);
double hourratio = DateUtils.genericDateToCoordinates(hour, startdatedisplaywindow,
enddatedisplaywindow, businesscalendar).getValue();
double x = hourratio * latestCellWidth - 3;
if (x - lasthourx > 15) {
// gc.strokeText(""+j,x, 28);
gc.fillText("" + j, x, 28);
lasthourx = x;
}
}
}
}
Example 7
| Source File: LabelledMarkerRenderer.java From chart-fx with Apache License 2.0 | 4 votes |
|
/**
* Draws horizontal markers with horizontal (default) labels attached to the top
*
* @param gc the graphics context from the Canvas parent
* @param chart instance of the calling chart
* @param dataSet instance of the data set that is supposed to be drawn
* @param indexMin minimum index of data set to be drawn
* @param indexMax maximum index of data set to be drawn
*/
protected void drawHorizontalLabelledMarker(final GraphicsContext gc, final XYChart chart, final DataSet dataSet,
final int indexMin, final int indexMax) {
final Axis yAxis = this.getFirstAxis(Orientation.VERTICAL, chart);
gc.save();
setGraphicsContextAttributes(gc, dataSet.getStyle());
gc.setTextAlign(TextAlignment.RIGHT);
final double width = chart.getCanvas().getWidth();
double lastLabel = -Double.MAX_VALUE;
double lastFontSize = 0;
for (int i = indexMin; i < indexMax; i++) {
final double screenY = (int) yAxis.getDisplayPosition(dataSet.get(DataSet.DIM_Y, i));
final String label = dataSet.getDataLabel(i);
if (label == null) {
continue;
}
final String pointStyle = dataSet.getStyle(i);
if (pointStyle != null) {
gc.save();
setGraphicsContextAttributes(gc, pointStyle);
}
gc.strokeLine(0, screenY, width, screenY);
if (Math.abs(screenY - lastLabel) > lastFontSize && !label.isEmpty()) {
gc.save();
gc.setLineWidth(0.8);
gc.setLineDashes(1.0);
gc.translate(Math.ceil(screenY + 3), Math.ceil(0.99 * width));
gc.fillText(label, 0.0, 0);
gc.restore();
lastLabel = screenY;
lastFontSize = gc.getFont().getSize();
}
if (pointStyle != null) {
gc.restore();
}
}
gc.restore();
}
Example 8
| Source File: LabelledMarkerRenderer.java From chart-fx with Apache License 2.0 | 4 votes |
|
/**
* Draws vertical markers with vertical (default) labels attached to the top
*
* @param gc the graphics context from the Canvas parent
* @param chart instance of the calling chart
* @param dataSet instance of the data set that is supposed to be drawn
* @param indexMin minimum index of data set to be drawn
* @param indexMax maximum index of data set to be drawn
*/
protected void drawVerticalLabelledMarker(final GraphicsContext gc, final XYChart chart, final DataSet dataSet,
final int indexMin, final int indexMax) {
Axis xAxis = this.getFirstAxis(Orientation.HORIZONTAL);
if (xAxis == null) {
xAxis = chart.getFirstAxis(Orientation.HORIZONTAL);
}
if (xAxis == null) {
if (LOGGER.isWarnEnabled()) {
LOGGER.atWarn().addArgument(LabelledMarkerRenderer.class.getSimpleName()).log("{}::drawVerticalLabelledMarker(...) getFirstAxis(HORIZONTAL) returned null skip plotting");
}
return;
}
gc.save();
setGraphicsContextAttributes(gc, dataSet.getStyle());
gc.setTextAlign(TextAlignment.LEFT);
final double height = chart.getCanvas().getHeight();
double lastLabel = -Double.MAX_VALUE;
double lastFontSize = 0;
for (int i = indexMin; i < indexMax; i++) {
final double screenX = (int) xAxis.getDisplayPosition(dataSet.get(DataSet.DIM_X, i));
final String label = dataSet.getDataLabel(i);
if (label == null) {
continue;
}
final String pointStyle = dataSet.getStyle(i);
if (pointStyle != null) {
gc.save();
setGraphicsContextAttributes(gc, pointStyle);
}
gc.strokeLine(screenX, 0, screenX, height);
if (Math.abs(screenX - lastLabel) > lastFontSize && !label.isEmpty()) {
gc.save();
gc.setLineWidth(0.8);
gc.setLineDashes(1.0);
gc.translate(Math.ceil(screenX + 3), Math.ceil(0.01 * height));
gc.rotate(+90);
gc.fillText(label, 0.0, 0);
gc.restore();
lastLabel = screenX;
lastFontSize = gc.getFont().getSize();
}
if (pointStyle != null) {
gc.restore();
}
}
gc.restore();
}
Example 9
| Source File: ContourDataSetRenderer.java From chart-fx with Apache License 2.0 | 4 votes |
|
private void drawContour(final GraphicsContext gc, final ContourDataSetCache lCache) {
final double[] levels = new double[getNumberQuantisationLevels()];
for (int i = 0; i < levels.length; i++) {
levels[i] = (i + 1) / (double) levels.length;
}
final int xSize = lCache.xSize;
final int ySize = lCache.ySize;
final double[][] data = new double[ySize][xSize];
for (int yIndex = 0; yIndex < ySize; yIndex++) {
for (int xIndex = 0; xIndex < xSize; xIndex++) {
final double offset = lCache.reduced[yIndex * xSize + xIndex];
data[ySize - 1 - yIndex][xIndex] = offset;
}
}
// abort if min/max == 0 -> cannot compute contours
final double zRange = Math.abs(lCache.zMax - lCache.zMin);
if (zRange <= 0) {
return;
}
final ColorGradient colorGradient = getColorGradient();
final MarchingSquares marchingSquares = new MarchingSquares();
final double scaleX = lCache.xDataPixelRange / xSize;
final double scaleY = lCache.yDataPixelRange / ySize;
gc.save();
gc.translate(lCache.xDataPixelMin, lCache.yDataPixelMin);
gc.scale(scaleX, scaleY);
final GeneralPath[] isolines;
try {
isolines = marchingSquares.buildContours(data, levels);
int levelCount = 0;
for (final GeneralPath path : isolines) {
if (path.size() > getMaxContourSegments()) {
levelCount++;
continue;
}
final Color color = lCache.zInverted ? colorGradient.getColor(1 - levels[levelCount++])
: colorGradient.getColor(levels[levelCount++]);
gc.setStroke(color);
gc.setLineDashes(1.0);
gc.setMiterLimit(10);
gc.setFill(color);
gc.setLineWidth(0.5);
path.draw(gc);
}
} catch (InterruptedException | ExecutionException e) {
if (LOGGER.isErrorEnabled()) {
LOGGER.atError().setCause(e).log("marchingSquares algorithm");
}
} finally {
gc.restore();
}
}
Example 10
| Source File: GridRenderer.java From chart-fx with Apache License 2.0 | 4 votes |
|
protected void drawPolarGrid(final GraphicsContext gc, XYChart xyChart) {
final Axis xAxis = xyChart.getXAxis();
final Axis yAxis = xyChart.getYAxis();
final double xAxisWidth = xyChart.getCanvas().getWidth();
final double yAxisHeight = xyChart.getCanvas().getHeight();
final double xRange = xAxis.getWidth();
final double yRange = yAxis.getHeight();
final double xCentre = xRange / 2;
final double yCentre = yRange / 2;
final double maxRadius = 0.5 * Math.min(xRange, yRange) * 0.9;
if (xAxis instanceof Node) {
((Node) xAxis).setVisible(false);
}
gc.save();
if (verMajorGridStyleNode.isVisible() || verMinorGridStyleNode.isVisible()) {
applyGraphicsStyleFromLineStyle(gc, verMajorGridStyleNode);
for (double phi = 0.0; phi <= 360; phi += xyChart.getPolarStepSize().get()) {
final double x = xCentre + maxRadius * Math.sin(phi * GridRenderer.DEG_TO_RAD);
final double y = yCentre - maxRadius * Math.cos(phi * GridRenderer.DEG_TO_RAD);
final double xl = xCentre + maxRadius * Math.sin(phi * GridRenderer.DEG_TO_RAD) * 1.05;
final double yl = yCentre - maxRadius * Math.cos(phi * GridRenderer.DEG_TO_RAD) * 1.05;
gc.strokeLine(xCentre, yCentre, x, y);
gc.save();
gc.setFont(yAxis.getTickLabelFont());
gc.setStroke(yAxis.getTickLabelFill());
gc.setLineDashes(null);
gc.setTextBaseline(VPos.CENTER);
if (phi < 350) {
if (phi < 20) {
gc.setTextAlign(TextAlignment.CENTER);
} else if (phi <= 160) {
gc.setTextAlign(TextAlignment.LEFT);
} else if (phi <= 200) {
gc.setTextAlign(TextAlignment.CENTER);
} else {
gc.setTextAlign(TextAlignment.RIGHT);
}
gc.strokeText(String.valueOf(phi), xl, yl);
}
gc.restore();
}
if (xAxis.isLogAxis() || verMinorGridStyleNode.isVisible()) {
applyGraphicsStyleFromLineStyle(gc, verMinorGridStyleNode);
xAxis.getMinorTickMarks().stream().mapToDouble(TickMark::getPosition).forEach(xPos -> {
if (xPos > 0 && xPos <= xAxisWidth) {
gc.strokeLine(xPos, 0, xPos, yAxisHeight);
}
});
}
}
drawPolarCircle(gc, yAxis, yRange, xCentre, yCentre, maxRadius);
gc.restore();
}
Example 11
| Source File: ViewUtils.java From JetUML with GNU General Public License v3.0 | 3 votes |
|
/**
* Draws a line with default attributes and a specified line style.
*
* @param pGraphics The graphics context.
* @param pX1 The x-coordinate of the first point
* @param pY1 The y-coordinate of the first point
* @param pX2 The x-coordinate of the second point
* @param pY2 The y-coordinate of the second point
* @param pStyle The line style for the path.
*/
public static void drawLine(GraphicsContext pGraphics, int pX1, int pY1, int pX2, int pY2, LineStyle pStyle)
{
double[] oldDash = pGraphics.getLineDashes();
pGraphics.setLineDashes(pStyle.getLineDashes());
pGraphics.strokeLine(pX1 + 0.5, pY1 + 0.5, pX2 + 0.5, pY2 + 0.5);
pGraphics.setLineDashes(oldDash);
}
