protected void drawDataSet(Canvas c, IBubbleDataSet dataSet) {
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
float phaseX = mAnimator.getPhaseX();
float phaseY = mAnimator.getPhaseY();
BubbleEntry entryFrom = dataSet.getEntryForXIndex(mMinX);
BubbleEntry entryTo = dataSet.getEntryForXIndex(mMaxX);
int minx = Math.max(dataSet.getEntryIndex(entryFrom), 0);
int maxx = Math.min(dataSet.getEntryIndex(entryTo) + 1, dataSet.getEntryCount());
sizeBuffer[0] = 0f;
sizeBuffer[2] = 1f;
trans.pointValuesToPixel(sizeBuffer);
// calcualte the full width of 1 step on the x-axis
final float maxBubbleWidth = Math.abs(sizeBuffer[2] - sizeBuffer[0]);
final float maxBubbleHeight =
Math.abs(mViewPortHandler.contentBottom() - mViewPortHandler.contentTop());
final float referenceSize = Math.min(maxBubbleHeight, maxBubbleWidth);
for (int j = minx; j < maxx; j++) {
final BubbleEntry entry = dataSet.getEntryForIndex(j);
pointBuffer[0] = (float) (entry.getXIndex() - minx) * phaseX + (float) minx;
pointBuffer[1] = (float) (entry.getVal()) * phaseY;
trans.pointValuesToPixel(pointBuffer);
float shapeHalf = getShapeSize(entry.getSize(), dataSet.getMaxSize(), referenceSize) / 2f;
if (!mViewPortHandler.isInBoundsTop(pointBuffer[1] + shapeHalf)
|| !mViewPortHandler.isInBoundsBottom(pointBuffer[1] - shapeHalf)) continue;
if (!mViewPortHandler.isInBoundsLeft(pointBuffer[0] + shapeHalf)) continue;
if (!mViewPortHandler.isInBoundsRight(pointBuffer[0] - shapeHalf)) break;
final int color = dataSet.getColor(entry.getXIndex());
mRenderPaint.setColor(color);
c.drawCircle(pointBuffer[0], pointBuffer[1], shapeHalf, mRenderPaint);
}
}
private float largestSize(BubbleEntry entry) {
return entry.getSize();
}
private float xMax(BubbleEntry entry) {
return (float) entry.getXIndex();
}
private float yMax(BubbleEntry entry) {
return entry.getVal();
}
@Override
public void drawHighlighted(Canvas c, Highlight[] indices) {
BubbleData bubbleData = mChart.getBubbleData();
float phaseX = mAnimator.getPhaseX();
float phaseY = mAnimator.getPhaseY();
for (Highlight indice : indices) {
IBubbleDataSet dataSet = bubbleData.getDataSetByIndex(indice.getDataSetIndex());
if (dataSet == null || !dataSet.isHighlightEnabled()) continue;
BubbleEntry entryFrom = dataSet.getEntryForXIndex(mMinX);
BubbleEntry entryTo = dataSet.getEntryForXIndex(mMaxX);
int minx = dataSet.getEntryIndex(entryFrom);
int maxx = Math.min(dataSet.getEntryIndex(entryTo) + 1, dataSet.getEntryCount());
final BubbleEntry entry = (BubbleEntry) bubbleData.getEntryForHighlight(indice);
if (entry == null || entry.getXIndex() != indice.getXIndex()) continue;
Transformer trans = mChart.getTransformer(dataSet.getAxisDependency());
sizeBuffer[0] = 0f;
sizeBuffer[2] = 1f;
trans.pointValuesToPixel(sizeBuffer);
// calcualte the full width of 1 step on the x-axis
final float maxBubbleWidth = Math.abs(sizeBuffer[2] - sizeBuffer[0]);
final float maxBubbleHeight =
Math.abs(mViewPortHandler.contentBottom() - mViewPortHandler.contentTop());
final float referenceSize = Math.min(maxBubbleHeight, maxBubbleWidth);
pointBuffer[0] = (float) (entry.getXIndex() - minx) * phaseX + (float) minx;
pointBuffer[1] = (float) (entry.getVal()) * phaseY;
trans.pointValuesToPixel(pointBuffer);
float shapeHalf = getShapeSize(entry.getSize(), dataSet.getMaxSize(), referenceSize) / 2f;
if (!mViewPortHandler.isInBoundsTop(pointBuffer[1] + shapeHalf)
|| !mViewPortHandler.isInBoundsBottom(pointBuffer[1] - shapeHalf)) continue;
if (!mViewPortHandler.isInBoundsLeft(pointBuffer[0] + shapeHalf)) continue;
if (!mViewPortHandler.isInBoundsRight(pointBuffer[0] - shapeHalf)) break;
if (indice.getXIndex() < minx || indice.getXIndex() >= maxx) continue;
final int originalColor = dataSet.getColor(entry.getXIndex());
Color.RGBToHSV(
Color.red(originalColor),
Color.green(originalColor),
Color.blue(originalColor),
_hsvBuffer);
_hsvBuffer[2] *= 0.5f;
final int color = Color.HSVToColor(Color.alpha(originalColor), _hsvBuffer);
mHighlightPaint.setColor(color);
mHighlightPaint.setStrokeWidth(dataSet.getHighlightCircleWidth());
c.drawCircle(pointBuffer[0], pointBuffer[1], shapeHalf, mHighlightPaint);
}
}
@Override
public void drawValues(Canvas c) {
BubbleData bubbleData = mChart.getBubbleData();
if (bubbleData == null) return;
// if values are drawn
if (bubbleData.getYValCount()
< (int) (Math.ceil((float) (mChart.getMaxVisibleCount()) * mViewPortHandler.getScaleX()))) {
final List<IBubbleDataSet> dataSets = bubbleData.getDataSets();
float lineHeight = Utils.calcTextHeight(mValuePaint, "1");
for (int i = 0; i < dataSets.size(); i++) {
IBubbleDataSet dataSet = dataSets.get(i);
if (!dataSet.isDrawValuesEnabled() || dataSet.getEntryCount() == 0) continue;
// apply the text-styling defined by the DataSet
applyValueTextStyle(dataSet);
final float phaseX = mAnimator.getPhaseX();
final float phaseY = mAnimator.getPhaseY();
BubbleEntry entryFrom = dataSet.getEntryForXIndex(mMinX);
BubbleEntry entryTo = dataSet.getEntryForXIndex(mMaxX);
int minx = dataSet.getEntryIndex(entryFrom);
int maxx = Math.min(dataSet.getEntryIndex(entryTo) + 1, dataSet.getEntryCount());
final float[] positions =
mChart
.getTransformer(dataSet.getAxisDependency())
.generateTransformedValuesBubble(dataSet, phaseX, phaseY, minx, maxx);
for (int j = 0; j < positions.length; j += 2) {
final float alpha = phaseX == 1 ? phaseY : phaseX;
int valueTextColor = dataSet.getValueTextColor(j / 2);
valueTextColor =
Color.argb(
Math.round(255.f * alpha),
Color.red(valueTextColor),
Color.green(valueTextColor),
Color.blue(valueTextColor));
float x = positions[j];
float y = positions[j + 1];
if (!mViewPortHandler.isInBoundsRight(x)) break;
if ((!mViewPortHandler.isInBoundsLeft(x) || !mViewPortHandler.isInBoundsY(y))) continue;
BubbleEntry entry = dataSet.getEntryForIndex(j / 2 + minx);
drawValue(
c,
dataSet.getValueFormatter(),
entry.getSize(),
entry,
i,
x,
y + (0.5f * lineHeight),
valueTextColor);
}
}
}
}