X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=android-libraries%2Fachartengine%2Fsrc%2Forg%2Fachartengine%2Fchart%2FRangeBarChart.java;fp=android-libraries%2Fachartengine%2Fsrc%2Forg%2Fachartengine%2Fchart%2FRangeBarChart.java;h=105f509a4e70dec756962c412043c5119894edf7;hb=9349577cdfdff682b2aabd6daa24fdc3a7449b58;hp=0000000000000000000000000000000000000000;hpb=30ba0a882f0c061176ba14dbf86d3d6fad096c02;p=debian%2Fopenrocket

diff --git a/android-libraries/achartengine/src/org/achartengine/chart/RangeBarChart.java b/android-libraries/achartengine/src/org/achartengine/chart/RangeBarChart.java
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+/**
+ * Copyright (C) 2009 - 2012 SC 4ViewSoft SRL
+ *  
+ * 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 org.achartengine.chart;
+
+import org.achartengine.model.XYMultipleSeriesDataset;
+import org.achartengine.model.XYSeries;
+import org.achartengine.renderer.SimpleSeriesRenderer;
+import org.achartengine.renderer.XYMultipleSeriesRenderer;
+
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Paint.Style;
+
+/**
+ * The range bar chart rendering class.
+ */
+public class RangeBarChart extends BarChart {
+  /** The chart type. */
+  public static final String TYPE = "RangeBar";
+
+  RangeBarChart() {
+  }
+
+  RangeBarChart(Type type) {
+    super(type);
+  }
+
+  /**
+   * Builds a new range bar chart instance.
+   * 
+   * @param dataset the multiple series dataset
+   * @param renderer the multiple series renderer
+   * @param type the range bar chart type
+   */
+  public RangeBarChart(XYMultipleSeriesDataset dataset, XYMultipleSeriesRenderer renderer, Type type) {
+    super(dataset, renderer, type);
+  }
+
+  /**
+   * The graphical representation of a series.
+   * 
+   * @param canvas the canvas to paint to
+   * @param paint the paint to be used for drawing
+   * @param points the array of points to be used for drawing the series
+   * @param seriesRenderer the series renderer
+   * @param yAxisValue the minimum value of the y axis
+   * @param seriesIndex the index of the series currently being drawn
+   * @param startIndex the start index of the rendering points
+   */
+  public void drawSeries(Canvas canvas, Paint paint, float[] points,
+      SimpleSeriesRenderer seriesRenderer, float yAxisValue, int seriesIndex, int startIndex) {
+    int seriesNr = mDataset.getSeriesCount();
+    int length = points.length;
+    paint.setColor(seriesRenderer.getColor());
+    paint.setStyle(Style.FILL);
+    float halfDiffX = getHalfDiffX(points, length, seriesNr);
+    int start = 0;
+    if (startIndex > 0) {
+      start = 2;
+    }
+    for (int i = start; i < length; i += 4) {
+      if (points.length > i + 3) {
+        float xMin = points[i];
+        float yMin = points[i + 1];
+        // xMin = xMax
+        float xMax = points[i + 2];
+        float yMax = points[i + 3];
+        drawBar(canvas, xMin, yMin, xMax, yMax, halfDiffX, seriesNr, seriesIndex, paint);
+      }
+    }
+    paint.setColor(seriesRenderer.getColor());
+  }
+
+  /**
+   * The graphical representation of the series values as text.
+   * 
+   * @param canvas the canvas to paint to
+   * @param series the series to be painted
+   * @param renderer the series renderer
+   * @param paint the paint to be used for drawing
+   * @param points the array of points to be used for drawing the series
+   * @param seriesIndex the index of the series currently being drawn
+   * @param startIndex the start index of the rendering points
+   */
+  protected void drawChartValuesText(Canvas canvas, XYSeries series, SimpleSeriesRenderer renderer,
+      Paint paint, float[] points, int seriesIndex, int startIndex) {
+    int seriesNr = mDataset.getSeriesCount();
+    float halfDiffX = getHalfDiffX(points, points.length, seriesNr);
+    int start = 0;
+    if (startIndex > 0) {
+      start = 2;
+    }
+    for (int i = start; i < points.length; i += 4) {
+      int index = startIndex + i / 2;
+      float x = points[i];
+      if (mType == Type.DEFAULT) {
+        x += seriesIndex * 2 * halfDiffX - (seriesNr - 1.5f) * halfDiffX;
+      }
+
+      if (!isNullValue(series.getY(index + 1)) && points.length > i + 3) {
+        // draw the maximum value
+        drawText(canvas, getLabel(series.getY(index + 1)), x,
+            points[i + 3] - renderer.getChartValuesSpacing(), paint, 0);
+      }
+      if (!isNullValue(series.getY(index)) && points.length > i + 1) {
+        // draw the minimum value
+        drawText(canvas, getLabel(series.getY(index)), x,
+            points[i + 1] + renderer.getChartValuesTextSize() + renderer.getChartValuesSpacing()
+                - 3, paint, 0);
+      }
+    }
+  }
+
+  /**
+   * Returns the value of a constant used to calculate the half-distance.
+   * 
+   * @return the constant value
+   */
+  protected float getCoeficient() {
+    return 0.5f;
+  }
+
+  /**
+   * Returns the chart type identifier.
+   * 
+   * @return the chart type
+   */
+  public String getChartType() {
+    return TYPE;
+  }
+
+}