renderGridLines method
Draws the grid lines belonging to the axis.
@param c
Implementation
@override
void renderGridLines(Canvas c) {
if (!_xAxis!.drawGridLines || !_xAxis!.enabled) return;
c.save();
c.clipRect(getGridClippingRect());
if (mRenderGridLinesBuffer.length != axis!.entryCount * 2) {
mRenderGridLinesBuffer =
List.filled(_xAxis!.entryCount * 2, null, growable: false);
}
List<double?> positions = mRenderGridLinesBuffer;
for (int i = 0; i < positions.length; i += 2) {
positions[i] = _xAxis!.entries[i ~/ 2];
positions[i + 1] = _xAxis!.entries[i ~/ 2];
}
trans!.pointValuesToPixel(positions);
setupGridPaint();
Path gridLinePath = mRenderGridLinesPath;
gridLinePath.reset();
for (int i = 0; i < positions.length; i += 2) {
drawGridLine(c, positions[i]!, positions[i + 1], gridLinePath);
}
c.restore();
}