| /* |
| * 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.clipRect(rect); |
| doDrawLegendIcon(canvas, rect, formatter); |
| //canvas.restoreToCount(state); |
| } finally { |
| canvas.restore(); |
| } |
| } |
| } |