By Alexander Kolesnikov
Batik simplifies facing SVG content material in Java established functions or applets. for instance, utilizing Batik's SVG generator module, a Java program or applet can simply export its portraits into the SVG layout. utilizing Batik's SVG viewing part, an program or applet may also combine SVG viewing and interplay functions with no a lot hassle. one other chance is to exploit Batik's modules to transform SVG to varied codecs, similar to raster photographs (JPEG, PNG or TIFF) or different vector codecs (WMF or PDF). it is a excellent publication for the Java programmer who desires to how one can use Batik of their courses. therefore, previous wisdom of Java is thought. the next is a run down of the chapters and their contents:
Chapter 1 Getting begun with Batik - discusses what Batik involves and what the advantages of its modules are. particularly, this bankruptcy explains the best way to use Squiggle to create, view, and control an SVG rfile and the way to exploit Rasterizer to export an SVG rfile to varied formats.
Batik in genuine international Projects
Your First SVG Document
Using SVG Rasterizer
What Else Comes with Batik?
Chapter 2 growing SVG - exhibits you the way to take advantage of one of many center modules in Batik, SVG Generator, in an easy Swing program that generates SVG files with a unmarried click.
Drawing in Java
Using SVG Creator
Other good points of SVG Generator
Chapter three Viewing SVG - discusses easy methods to reveal SVG files utilizing JSVGCanvas, a really expert Swing part that includes the Batik distribution.
Displaying Generated SVG Documents
Saving the Generated Document
Displaying an SVG File
Chapter four operating with Transcoders - explains tips to use the Transcoder API to transform SVG photographs to raster codecs corresponding to JPEG, PNG, and TIFF.
The Transcoder API
Using Transcoders in Applications
Setting the realm of Interest
Using the SVGTranscoder for lovely Printing
The greater model of the SVG dossier Viewer
Chapter five rfile item version- explains that, behind the curtain, Batik makes use of the tree-like constitution of the record item version (DOM) to symbolize an SVG record. utilizing Batik, builders have complete entry to the DOM and will simply swap the houses or constitution of the rfile from Java code.
SVG rfile as a DOM Tree
Creating files with the DOM API
Building an SVG Document
Working with Gradients
Using the DOM API
Chapter 6 operating with textual content and Fonts - demonstrates the numerous methods of being artistic with textual content. indicates that any font can be utilized in SVG files and in addition exhibits how you can convert a real variety FOnt to an SVG Font.
Using the textual content Element
Using the Font Converter
Using SVG Fonts in a Document
Text Workbench: SVG Writer
Text parts, textual content Nodes, and textual content Content
Using tspan elements
Text on A Path
Chapter 7 Batik at the Server part - places Batik to the try in a few real initiatives. the following you will find a few fascinating options for a Java-driven internet site.
The SVG Graph internet Application
SVG filter out Effects
SVG Filters internet Application
SVG and Scripts
Using Java for Scripting
Appendix A creation to XML
Read or Download Java Drawing with Apache Batik: A Tutorial PDF
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Additional info for Java Drawing with Apache Batik: A Tutorial
Using Transcoders in Applications Once again you will use the same application you've been building. The last version of the application was named SVG Creator Plus 2, and now you will add several transcoders to it. I'd like to call this version SVG Creator Plus 2T. In the new version you will add a few buttons, each one for a different output format. 1 shows how the application looks like after the buttons are added. 1 shows the complete code of the application, with the most important lines shown in bold.
Public NodeList getElementsByTagName(String name) Returns a NodeList of all descendant elements with a given tag name, in the order in which they are encountered in a preorder traversal of this Element tree. public NodeList getElementsByTagNameNS(String namespaceURI, String name) Returns a NodeList of all the descendant elements with a given local name and namespace URI in the order in which they are encountered in a preorder traversal of this element tree. public Node getFirstChild() Returns the first child of this node.
You can do this by applying transcoding hints using the Transcoder interface's addTranscodingHint method. For reading convenience, the method signature is reprinted here. void addTranscodingHint (TranscodingHints. Key key, Object value) This method accepts two parameters. Key, is used to tell the transcoder your transcoding preference. The second parameter is an object. If you want to set the preference to some value, this value must be presented as an Object. 8 as the second argument. 8) There are a number of different keys you can use as the first argument.