本文整理匯總了Java中java.awt.geom.Arc2D.setAngleStart方法的典型用法代碼示例。如果您正苦於以下問題：Java Arc2D.setAngleStart方法的具體用法？Java Arc2D.setAngleStart怎麽用？Java Arc2D.setAngleStart使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.awt.geom.Arc2D的用法示例。
在下文中一共展示了Arc2D.setAngleStart方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: drawNeedle
import java.awt.geom.Arc2D; //導入方法依賴的package包/類
/**
* Draws the needle.
*
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea,
Point2D rotate, double angle) {
Arc2D shape = new Arc2D.Double(Arc2D.PIE);
double radius = plotArea.getHeight();
double halfX = plotArea.getWidth() / 2;
double diameter = 2 * radius;
shape.setFrame(plotArea.getMinX() + halfX - radius ,
plotArea.getMinY() - radius,
diameter, diameter);
radius = Math.toDegrees(Math.asin(halfX / radius));
shape.setAngleStart(270 - radius);
shape.setAngleExtent(2 * radius);
Area s = new Area(shape);
if ((rotate != null) && (angle != 0)) {
/// we have rotation houston, please spin me
getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
s.transform(getTransform());
}
defaultDisplay(g2, s);
}
示例2: drawNeedle
import java.awt.geom.Arc2D; //導入方法依賴的package包/類
/**
* Draws the needle.
*
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea, Point2D rotate, double angle) {
Arc2D shape = new Arc2D.Double(Arc2D.PIE);
double radius = plotArea.getHeight();
double halfX = plotArea.getWidth() / 2;
double diameter = 2 * radius;
shape.setFrame(plotArea.getMinX() + halfX - radius ,
plotArea.getMinY() - radius,
diameter, diameter);
radius = Math.toDegrees(Math.asin(halfX / radius));
shape.setAngleStart(270 - radius);
shape.setAngleExtent(2 * radius);
Area s = new Area(shape);
if ((rotate != null) && (angle != 0)) {
/// we have rotation houston, please spin me
getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
s.transform(getTransform());
}
defaultDisplay(g2, s);
}
示例3: drawNeedle
import java.awt.geom.Arc2D; //導入方法依賴的package包/類
/**
* Draws the needle.
*
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
@Override
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea,
Point2D rotate, double angle) {
Arc2D shape = new Arc2D.Double(Arc2D.PIE);
double radius = plotArea.getHeight();
double halfX = plotArea.getWidth() / 2;
double diameter = 2 * radius;
shape.setFrame(plotArea.getMinX() + halfX - radius ,
plotArea.getMinY() - radius,
diameter, diameter);
radius = Math.toDegrees(Math.asin(halfX / radius));
shape.setAngleStart(270 - radius);
shape.setAngleExtent(2 * radius);
Area s = new Area(shape);
if ((rotate != null) && (angle != 0)) {
/// we have rotation houston, please spin me
getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
s.transform(getTransform());
}
defaultDisplay(g2, s);
}
示例4: drawNeedle
import java.awt.geom.Arc2D; //導入方法依賴的package包/類
/**
* Draws the needle.
*
* @param g2 the graphics device.
* @param plotArea the plot area.
* @param rotate the rotation point.
* @param angle the angle.
*/
@Override
protected void drawNeedle(Graphics2D g2, Rectangle2D plotArea,
Point2D rotate, double angle) {
Arc2D shape = new Arc2D.Double(Arc2D.PIE);
double radius = plotArea.getHeight();
double halfX = plotArea.getWidth() / 2;
double diameter = 2 * radius;
shape.setFrame(plotArea.getMinX() + halfX - radius,
plotArea.getMinY() - radius,
diameter, diameter);
radius = Math.toDegrees(Math.asin(halfX / radius));
shape.setAngleStart(270 - radius);
shape.setAngleExtent(2 * radius);
Area s = new Area(shape);
if ((rotate != null) && (angle != 0)) {
/// we have rotation houston, please spin me
getTransform().setToRotation(angle, rotate.getX(), rotate.getY());
s.transform(getTransform());
}
defaultDisplay(g2, s);
}