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215 lines
12 KiB
215 lines
12 KiB
/**
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* ChartPlotter
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* Copyright 2005 by Michael Christen
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* First released 26.10.2005 at http://yacy.net
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.visualization;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import net.yacy.cora.util.ConcurrentLog;
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public class ChartPlotter extends RasterPlotter {
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public static final int DIMENSION_RIGHT = 0;
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public static final int DIMENSION_TOP = 1;
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public static final int DIMENSION_LEFT = 2;
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public static final int DIMENSION_BOTTOM = 3;
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public static final int DIMENSION_ANOT0 = 4;
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public static final int DIMENSION_ANOT1 = 5;
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public static final int DIMENSION_ANOT2 = 6;
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public static final int DIMENSION_ANOT3 = 7;
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private final int leftborder;
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private final int rightborder;
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private final int topborder;
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private final int bottomborder;
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private final int[] scales = new int[]{0,0,0,0,0,0,0,0};
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private final int[] pixels = new int[]{0,0,0,0,0,0,0,0};
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private final int[] offsets = new int[]{0,0,0,0,0,0,0,0};
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private final Long[] colnames = new Long[]{0xFFFFFFl,0xFFFFFFl,0xFFFFFFl,0xFFFFFFl,0xFFFFFFl,0xFFFFFFl,0xFFFFFFl,0xFFFFFFl};
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private final Long[] colscale = new Long[]{null,null,null,null,null,null,null,null};
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private final String[] tablenames = new String[]{"","","","","","","",""};
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public ChartPlotter(final int width, final int height, final Long backgroundColor, final Long foregroundColor, final Long lightColor,
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final int leftborder, final int rightborder, final int topborder, final int bottomborder,
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final String name, final String subline) {
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super(width, height, RasterPlotter.DrawMode.MODE_REPLACE, backgroundColor);
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this.leftborder = leftborder;
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this.rightborder = rightborder;
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this.topborder = topborder;
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this.bottomborder = bottomborder;
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//this.name = name;
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//this.backgroundColor = backgroundColor;
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//this.foregroundColor = foregroundColor;
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if (name != null) {
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if (foregroundColor != null) this.setColor(foregroundColor);
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PrintTool.print(this, width / 2 - name.length() * 3, 6, 0, name, -1, 100);
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}
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if (subline != null) {
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if (lightColor != null) this.setColor(lightColor);
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PrintTool.print(this, width / 2 - subline.length() * 3, 14, 0, subline, -1, 100);
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}
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}
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/**
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* assign a metric to a graph. The dimension can be left or right (the measure at the side-border of the graph)
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* @param dimensionType
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* @param scale is the measure (the number) to be printed on the border per pixelscale
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* @param pixelperscale is the number of pixel points per scale
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* @param offset is an offset on the 'scale' number
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* @param colorNaming the colour of the legend for the scale
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* @param colorScale the colour of the line drawing for the vertical scale
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* @param name printed on the vertical bar
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*/
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public void declareDimension(final int dimensionType, final int scale, final int pixelperscale, final int offset, final Long colorNaming, final Long colorScale, final String name) {
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this.scales[dimensionType] = Math.max(1, scale);
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this.pixels[dimensionType] = pixelperscale;
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this.offsets[dimensionType] = offset;
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this.colnames[dimensionType] = colorNaming;
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this.colscale[dimensionType] = colorScale;
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this.tablenames[dimensionType] = name;
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if ((dimensionType == DIMENSION_LEFT) || (dimensionType == DIMENSION_RIGHT)) {
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drawVerticalScale((dimensionType == DIMENSION_LEFT), scale, pixelperscale, offset, colorNaming, colorScale, name);
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}
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if ((dimensionType == DIMENSION_TOP) || (dimensionType == DIMENSION_BOTTOM)) {
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drawHorizontalScale((dimensionType == DIMENSION_TOP), scale, pixelperscale, offset, colorNaming, colorScale, name);
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}
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}
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public void chartDot(final int dimension_x, final int dimension_y, final float coord_x, final int coord_y, final int dotsize, final String anot, final int anotAngle) {
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final int x = (int) ((coord_x - this.offsets[dimension_x]) * this.pixels[dimension_x] / this.scales[dimension_x]);
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assert this.scales[dimension_y] != 0;
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final int y = (coord_y - this.offsets[dimension_y]) * this.pixels[dimension_y] / this.scales[dimension_y];
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if (dotsize == 1) plot(this.leftborder + x, this.height - this.bottomborder - y, 100);
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else dot(this.leftborder + x, this.height - this.bottomborder - y, dotsize, true, 100);
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if (anot != null) PrintTool.print(this, this.leftborder + x + dotsize + 2 + ((anotAngle == 315) ? -9 : 0), this.height - this.bottomborder - y + ((anotAngle == 315) ? -3 : 0), anotAngle, anot, (anotAngle == 0) ? (anot.length() * 6 + x > this.width ? 1 : -1) : ((anotAngle == 315) ? 1 : 0), 100);
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}
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public void chartLine(final int dimension_x, final int dimension_y, final float coord_x1, final int coord_y1, final float coord_x2, final int coord_y2) {
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final int x1 = (int) ((coord_x1 - this.offsets[dimension_x]) * this.pixels[dimension_x] / this.scales[dimension_x]);
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final int y1 = (coord_y1 - this.offsets[dimension_y]) * this.pixels[dimension_y] / this.scales[dimension_y];
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final int x2 = (int) ((coord_x2 - this.offsets[dimension_x]) * this.pixels[dimension_x] / this.scales[dimension_x]);
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final int y2 = (coord_y2 - this.offsets[dimension_y]) * this.pixels[dimension_y] / this.scales[dimension_y];
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line(this.leftborder + x1, this.height - this.bottomborder - y1, this.leftborder + x2, this.height - this.bottomborder - y2, 100);
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}
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/**
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* draw a horizontal scale border
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* @param top - if true, this the top-horizontal scale, otherwise it is at the bottom
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* @param scale is the measure (the number) to be printed on the vertical border per pixelscale
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* @param pixelperscale is the number of vertical pixel points per scale
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* @param offset is an offset on the 'scale' number
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* @param colorNaming the colour of the legend for the scale
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* @param colorScale the colour of the line drawing for the vertical scale
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* @param name printed on the vertical bar
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*/
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private void drawHorizontalScale(final boolean top, final int scale, final int pixelperscale, final int offset, final Long colorNaming, final Long colorScale, final String name) {
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final int y = (top) ? this.topborder : this.height - this.bottomborder;
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int x = this.leftborder;
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int s = offset;
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while (x < this.width - this.rightborder) {
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if ((colorScale != null) && (x > this.leftborder) && (x < (this.width - this.rightborder))) {
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setColor(colorScale);
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line(x, this.topborder, x, this.height - this.bottomborder, 100);
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}
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setColor(colorNaming);
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line(x, y - 3, x, y + 3, 100);
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PrintTool.print(this, x, (top) ? y - 3 : y + 9, 0, Integer.toString(s), -1, 80);
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x += pixelperscale;
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s += scale;
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}
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setColor(colorNaming);
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PrintTool.print(this, this.width - this.rightborder, (top) ? y - 9 : y + 15, 0, name, 1, 80);
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line(this.leftborder - 4, y, this.width - this.rightborder + 4, y, 100);
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}
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/**
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* draw the vertical scale of the graph
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* @param left if true this is the vertical bar on the left, otherwise it is the one on the right
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* @param scale is the measure (the number) to be printed on the vertical border per pixelscale
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* @param pixelperscale is the number of vertical pixel points per scale
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* @param offset is an offset on the 'scale' number
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* @param colorNaming the colour of the legend for the scale
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* @param colorScale the colour of the line drawing for the vertical scale
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* @param name printed on the vertical bar
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*/
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private void drawVerticalScale(final boolean left, final int scale, final int pixelperscale, final int offset, final Long colorNaming, final Long colorScale, final String name) {
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assert pixelperscale > 0;
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assert scale > 0;
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if (pixelperscale <= 0) return; // this would not meet the termination condition in the while loop
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final int x = (left) ? this.leftborder : this.width - this.rightborder;
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int y = this.height - this.bottomborder;
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int s = offset;
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String s1;
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int s1max = 0;
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while (y > this.topborder) {
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if ((colorScale != null) && (y > this.topborder) && (y < (this.height - this.bottomborder))) {
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setColor(colorScale);
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line(this.leftborder, y, this.width - this.rightborder, y, 100);
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}
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setColor(colorNaming);
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line(x - 3, y, x + 3, y, 100);
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s1 = (s >= 1000000 && s % 10000 == 0) ? Integer.toString(s / 1000000) + "M" : (s >= 1000 && s % 1000 == 0) ? Integer.toString(s / 1000) + "K" : Integer.toString(s);
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if (s1.length() > s1max) s1max = s1.length();
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PrintTool.print(this, (left) ? this.leftborder - 4 : this.width - this.rightborder + 4, y, 0, s1, (left) ? 1 : -1, 80);
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y -= pixelperscale;
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s += scale;
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}
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setColor(colorNaming);
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PrintTool.print(this, (left) ? Math.max(6, x - s1max * 6 - 6) : x + s1max * 6 + 9, this.height - this.bottomborder, 90, name, -1, 80);
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line(x, this.topborder - 4, x, this.height - this.bottomborder + 4, 100);
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}
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public static void main(final String[] args) {
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System.setProperty("java.awt.headless", "true");
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final long bg = 0xFFFFFF;
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final long fg = 0x000000;
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final long scale = 0xCCCCCC;
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final long green = 0x008800;
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final long blue = 0x0000FF;
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final ChartPlotter ip = new ChartPlotter(660, 240, bg, fg, fg, 30, 30, 20, 20, "PEER PERFORMANCE GRAPH: PAGES/MINUTE and USED MEMORY", "");
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ip.declareDimension(DIMENSION_BOTTOM, 60, 60, -600, fg, scale, "TIME/SECONDS");
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//ip.declareDimension(DIMENSION_TOP, 10, 40, "000000", null, "count");
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ip.declareDimension(DIMENSION_LEFT, 50, 40, 0, green, scale , "PPM [PAGES/MINUTE]");
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ip.declareDimension(DIMENSION_RIGHT, 100, 20, 0, blue, scale, "MEMORY/MEGABYTE");
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ip.setColor(green);
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ip.chartDot(DIMENSION_BOTTOM, DIMENSION_LEFT, -160, 100, 5, null, 0);
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ip.chartLine(DIMENSION_BOTTOM, DIMENSION_LEFT, -160, 100, -130, 200);
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ip.setColor(blue);
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ip.chartDot(DIMENSION_BOTTOM, DIMENSION_RIGHT, -50, 300, 2, null, 0);
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ip.chartLine(DIMENSION_BOTTOM, DIMENSION_RIGHT, -80, 100, -50, 300);
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//ip.print(100, 100, 0, "TEXT", true);
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//ip.print(100, 100, 0, "1234", false);
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//ip.print(100, 100, 90, "TEXT", true);
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//ip.print(100, 100, 90, "1234", false);
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final File file = new File("/Users/admin/Desktop/testimage.png");
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try {
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final FileOutputStream fos = new FileOutputStream(file);
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fos.write(RasterPlotter.exportImage(ip.getImage(), "png").getBytes());
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//ImageIO.write(ip.getImage(), "png", fos);
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fos.close();
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} catch (final IOException e) {}
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ConcurrentLog.shutdown();
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}
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}
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