com.clickntap.platform.SVG Maven / Gradle / Ivy

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Java Framework based on Spring Framework, Freemarker and Simplicity
There is a newer version: 1.189
package com.clickntap.platform;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.batik.transcoder.Transcoder;
import org.apache.batik.transcoder.TranscoderInput;
import org.apache.batik.transcoder.TranscoderOutput;
import org.apache.batik.transcoder.image.JPEGTranscoder;
import org.apache.batik.transcoder.image.PNGTranscoder;
import org.apache.commons.io.FileUtils;
import org.apache.fop.render.ps.EPSTranscoder;
import org.apache.fop.svg.PDFTranscoder;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;

import com.clickntap.utils.ConstUtils;
import com.clickntap.utils.XMLUtils;

public class SVG {

  private FExecutor fExecutor;
  private String codeScript;
  private String dataScript;

  public SVG(FExecutor fExecutor, String codeScript, String dataScript) {
    this.fExecutor = fExecutor;
    this.codeScript = codeScript;
    this.dataScript = dataScript;
  }

  public SVG(FExecutor fExecutor, String codeScript) {
    this(fExecutor, codeScript, null);
  }

  public void svg(OutputStream out) throws Exception {
    svg(out, null, true, true);
  }

  public void svg(OutputStream out, Integer width, boolean embedFont, boolean onlyCSS) throws Exception {
    FTask task = new FTask();
    task.setCodeScript(codeScript);
    task.setDataScript(dataScript);
    fExecutor.execute(task);
    if (task.getData() != null) {
      String code = task.getCode();
      StringBuffer svg = new StringBuffer();
      if (embedFont) {
        StringBuffer defs = new StringBuffer();
        if (!onlyCSS) {
          File fontFile = new File(fExecutor.getApp().getWorkDir().getFile().getAbsolutePath() + "/barlow-condensed-v4-latin-ext_latin-600.svg");
          defs.append(FileUtils.readFileToString(fontFile, ConstUtils.UTF_8));
          defs.append("");
        }
        int x = code.indexOf(">");
        svg.append(code.substring(0, x + 1));
        svg.append(defs);
        svg.append(code.substring(x + 1));
      } else {
        svg.append(code);
      }
      Document doc = DocumentHelper.parseText(svg.toString());
      if (width != null) {
        doc.getRootElement().addAttribute("width", width.toString());
        doc.getRootElement().addAttribute("height", Integer.toString((int) (task.getData().getInt("h") * (((float) width) / task.getData().getInt("w")))));
      }
      XMLUtils.copyTo(doc, out);
    } else {
      Document doc = DocumentHelper.parseText(task.getCode());
      doc.getRootElement().addAttribute("width", "100%");
      doc.getRootElement().addAttribute("height", "100%");
      XMLUtils.copyTo(doc, out);
    }
  }

  public void pdf(OutputStream outputStream) throws Exception {
    PDFTranscoder t = new PDFTranscoder();
    transcode(t, 2880, true, false, outputStream);
  }

  public void eps(OutputStream outputStream) throws Exception {
    EPSTranscoder t = new EPSTranscoder();
    transcode(t, 2880, true, false, outputStream);
  }

  public void png(OutputStream outputStream) throws Exception {
    Transcoder transcoder = new PNGTranscoder();
    transcode(transcoder, 360, true, false, outputStream);
  }

  public void jpg(OutputStream outputStream) throws Exception {
    Transcoder transcoder = new JPEGTranscoder();
    transcoder.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, 1.0f);
    transcode(transcoder, 2880, true, false, outputStream);
  }

  public void transcode(Transcoder transcoder, Integer width, boolean embedFont, boolean onlyCSS, OutputStream outputStream) {
    try {
      ByteArrayOutputStream svg = new ByteArrayOutputStream();
      svg(svg, width, embedFont, onlyCSS);
      InputStream in = new ByteArrayInputStream(svg.toByteArray());
      TranscoderInput transcoderInput = new TranscoderInput(in);
      TranscoderOutput transcoderOutput = new TranscoderOutput(outputStream);
      transcoder.transcode(transcoderInput, transcoderOutput);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}