blob: b32f12de6095bfc28440bd146d7064d7d051bd18 [file] [log] [blame]
/*
* Copyright 2012 AndroidPlot.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.androidplot.ui;
import android.graphics.Canvas;
import android.graphics.RectF;
import android.graphics.Region;
import com.androidplot.Series;
import com.androidplot.exception.PlotRenderException;
import com.androidplot.Plot;
public abstract class SeriesRenderer
<PlotType extends Plot, SeriesType extends Series, SeriesFormatterType extends Formatter> {
private PlotType plot;
public SeriesRenderer(PlotType plot) {
this.plot = plot;
}
public PlotType getPlot() {
return plot;
}
public void setPlot(PlotType plot) {
this.plot = plot;
}
public SeriesAndFormatterList<SeriesType,SeriesFormatterType> getSeriesAndFormatterList() {
return plot.getSeriesAndFormatterListForRenderer(getClass());
}
public SeriesFormatterType getFormatter(SeriesType series) {
return (SeriesFormatterType) plot.getFormatter(series, getClass());
}
public void render(Canvas canvas, RectF plotArea) throws PlotRenderException {
onRender(canvas, plotArea);
}
public abstract void onRender(Canvas canvas, RectF plotArea) throws PlotRenderException;
/**
* Draw the legend icon in the rect passed in.
* @param canvas
* @param rect
*/
protected abstract void doDrawLegendIcon(Canvas canvas, RectF rect, SeriesFormatterType formatter);
public void drawSeriesLegendIcon(Canvas canvas, RectF rect, SeriesFormatterType formatter) {
//int state = canvas.save(Canvas.CLIP_SAVE_FLAG);
try {
canvas.save(Canvas.ALL_SAVE_FLAG);
canvas.clipRect(rect, Region.Op.INTERSECT);
doDrawLegendIcon(canvas, rect, formatter);
//canvas.restoreToCount(state);
} finally {
canvas.restore();
}
}
}