private void init() {
algo = (AlgoBarChart) geo.getDrawAlgorithm();
drawType = algo.getDrawType();
if (algo.hasPoints()) {
pts = new ArrayList<GeoPoint>();
drawPoints = new ArrayList<DrawPoint>();
updatePointLists();
}
}
@Override
public void update() {
isVisible = geo.isEuclidianVisible();
if (!isVisible) return;
if (!geo.getDrawAlgorithm().equals(geo.getParentAlgorithm())) init();
labelVisible = geo.isLabelVisible();
updateStrokes(sum);
// init gp
gp = new GeneralPathClipped[algo.getIntervals()];
for (int i = 0; i < gp.length; i++) {
gp[i] = new GeneralPathClipped(view);
gp[i].reset();
}
double[] xVal = algo.getLeftBorder();
double[] yVal = algo.getValues();
double width = algo.getWidth();
int N = algo.getIntervals();
if (algo.hasPoints()) {
updatePointLists();
}
drawType = algo.getDrawType();
pointType = algo.getPointType();
int pointStyle;
if (algo.hasPoints() && pointType != POINT_NONE) {
if (pointType == POINT_LEFT || pointType == POINT_LEFT_OPEN_RIGHT) {
pointStyle = EuclidianStyleConstants.POINT_STYLE_DOT;
} else {
pointStyle = EuclidianStyleConstants.POINT_STYLE_CIRCLE;
}
for (int i = 0; i < N; i++) {
coords[0] = xVal[i];
coords[1] = yVal[i];
pts.get(i).setCoords(coords[0], coords[1], 1.0);
pts.get(i).setObjColor(geo.getObjectColor());
pts.get(i).setPointSize(2 + (geo.getLineThickness() + 1) / 3);
pts.get(i).setPointStyle(pointStyle);
if (pointType == POINT_RIGHT) {
pts.get(i).setEuclidianVisible(false);
}
drawPoints.get(i).update();
}
if (drawType == DrawType.STEP_GRAPH_CONTINUOUS || drawType == DrawType.STEP_GRAPH_JUMP) {
if (pointType == POINT_LEFT || pointType == POINT_LEFT_OPEN_RIGHT) {
pointStyle = EuclidianStyleConstants.POINT_STYLE_CIRCLE;
} else {
pointStyle = EuclidianStyleConstants.POINT_STYLE_DOT;
}
// step graph right points
for (int i = 0; i < N - 1; i++) {
coords[0] = xVal[i + 1];
coords[1] = yVal[i];
pts.get(N + i).setCoords(coords[0], coords[1], 1.0);
pts.get(N + i).setObjColor(geo.getObjectColor());
pts.get(N + i).setPointSize(2 + (geo.getLineThickness() + 1) / 3);
pts.get(N + i).setPointStyle(pointStyle);
if (pointType == POINT_LEFT) {
pts.get(N + i).setEuclidianVisible(false);
}
drawPoints.get(N + i).update();
}
}
}
double halfWidth = width / 2;
switch (drawType) {
case VERTICAL_BAR:
if (width <= 0) {
for (int i = 0; i < N; i++) {
coords[0] = xVal[i];
coords[1] = 0;
view.toScreenCoords(coords);
gp[i].moveTo(coords[0], coords[1]);
coords[0] = xVal[i];
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
}
} else {
for (int i = 0; i < N; i++) {
coords[0] = xVal[i];
coords[1] = 0;
view.toScreenCoords(coords);
gp[i].moveTo(coords[0], coords[1]);
coords[0] = xVal[i];
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
coords[0] = xVal[i] + width;
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
coords[0] = xVal[i] + width;
coords[1] = 0;
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
coords[0] = xVal[i];
coords[1] = 0;
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
}
}
break;
case HORIZONTAL_BAR:
if (width <= 0) {
for (int i = 0; i < N; i++) {
coords[0] = 0;
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].moveTo(coords[0], coords[1]);
coords[0] = xVal[i];
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
}
} else {
for (int i = 0; i < N; i++) {
coords[0] = 0;
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].moveTo(coords[0], coords[1]);
coords[0] = xVal[i];
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
coords[0] = xVal[i];
coords[1] = yVal[i] + width;
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
coords[0] = 0;
coords[1] = yVal[i] + width;
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
coords[0] = 0;
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
}
}
break;
case STEP_GRAPH_CONTINUOUS:
for (int i = 0; i < N - 1; i++) {
// move to start point
coords[0] = xVal[i] + halfWidth;
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].moveTo(coords[0], coords[1]);
// across
coords[0] = xVal[i + 1] + halfWidth;
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
// up
coords[0] = xVal[i + 1] + halfWidth;
coords[1] = yVal[i + 1];
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
}
// up to last point
coords[0] = xVal[N - 1] + halfWidth;
coords[1] = yVal[N - 1];
view.toScreenCoords(coords);
gp[gp.length - 1].lineTo(coords[0], coords[1]);
break;
case STEP_GRAPH_JUMP:
for (int i = 0; i < N - 1; i++) {
// move to start point
coords[0] = xVal[i] + halfWidth;
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].moveTo(coords[0], coords[1]);
// across
coords[0] = xVal[i + 1] + halfWidth;
coords[1] = yVal[i];
view.toScreenCoords(coords);
gp[i].lineTo(coords[0], coords[1]);
}
break;
}
// gp on screen?
isVisible = false;
// don't return here to make sure that getBounds() works for
// off screen points too
for (int i = 0; i < gp.length; i++) {
if (gp[i].intersects(0, 0, view.getWidth(), view.getHeight())) {
isVisible = true;
break;
}
}
// TODO: improve label position
if (labelVisible) {
xLabel = (int) coords[0];
yLabel = (int) coords[1] - view.getFontSize();
labelDesc = geo.getLabelDescription();
addLabelOffset();
}
}
@Override
public void draw(org.geogebra.common.awt.GGraphics2D g2) {
// Save fill, color and alfa of object
GColor color = geo.getSelColor();
FillType fillType = geo.getFillType();
int hatchingDistance = geo.getHatchingDistance();
String symbol = geo.getFillSymbol();
double hatchingAngle = geo.getHatchingAngle();
String fileName = geo.getImageFileName();
float alpha = geo.getAlphaValue();
AlgoBarChart algop = (AlgoBarChart) geo.getParentAlgorithm();
int k;
if (isVisible) {
try {
if (geo.doHighlighting()) {
g2.setPaint(sum.getSelColor());
g2.setStroke(selStroke);
for (int i = 0; i < gp.length; i++) {
k = i + 1;
if (algop.getBarColor(k) != null) {
GColor col = algop.getBarColor(k);
g2.setPaint(
AwtFactory.prototype.newColor(
col.getRed(), col.getGreen(),
col.getBlue(), col.getAlpha()));
}
g2.draw(gp[i]);
}
g2.setPaint(color);
}
} catch (Exception e) {
App.debug(e.getMessage());
}
try {
if (algo.getDrawType() != DrawType.STEP_GRAPH_CONTINUOUS) {
/*
* Use tags for draw if there are
*/
for (int i = 0; i < gp.length; i++) {
k = i + 1;
if (algop.getBarColor(k) != null) {
GColor col = algop.getBarColor(k);
geo.setObjColor(col);
geo.setAlphaValue(col.getAlpha());
}
if (algop.getBarAlpha(k) != -1.0) {
geo.setAlphaValue(algop.getBarAlpha(k));
}
geo.setFillType(algop.getBarFillType(k));
if (algop.getBarSymbol(k) != null) {
geo.setFillSymbol(algop.getBarSymbol(k));
}
if (algop.getBarImage(k) != null) {
geo.setImageFileName(algop.getBarImage(k));
}
if (algop.getBarHatchDistance(k) != -1) {
geo.setHatchingDistance(algop.getBarHatchDistance(k));
}
if (algop.getBarHatchAngle(k) != -1) {
geo.setHatchingAngle(algop.getBarHatchAngle(k));
}
fill(g2, gp[i], false); // fill using
// default/hatching/image as
// appropriate
// Restore values
geo.setObjColor(color);
geo.setFillType(fillType);
geo.setHatchingAngle((int) hatchingAngle);
geo.setHatchingDistance(hatchingDistance);
geo.setFillSymbol(symbol);
geo.setImageFileName(fileName);
geo.setAlphaValue(alpha);
}
}
} catch (Exception e) {
e.printStackTrace();
}
try {
if (geo.getLineThickness() > 0) {
g2.setPaint(getObjectColor());
g2.setStroke(objStroke);
for (int i = 0; i < gp.length; i++) {
k = i + 1;
if (algop.getBarColor(k) != null) {
GColor col = algop.getBarColor(k);
g2.setPaint(
AwtFactory.prototype.newColor(
col.getRed(), col.getGreen(),
col.getBlue(), geo.getLineOpacity()));
}
g2.draw(gp[i]);
}
g2.setPaint(color);
}
} catch (Exception e) {
App.debug(e.getMessage());
}
if (labelVisible) {
g2.setFont(view.getFontConic());
g2.setPaint(geo.getLabelColor());
drawLabel(g2);
}
// point
if (algo.hasPoints()) {
for (int i = 0; i < drawPoints.size(); i++) {
drawPoints.get(i).draw(g2);
}
}
}
}