/* Title: Tools/Graphview/graph_file.scala
Author: Makarius
File system operations for graph output.
*/
package isabelle.graphview
import isabelle._
import java.io.{File => JFile}
import java.awt.{Color, Graphics2D}
object Graph_File
{
def write(visualizer: Visualizer, file: JFile)
{
val box = visualizer.bounding_box()
val w = box.width.ceil.toInt
val h = box.height.ceil.toInt
def paint(gfx: Graphics2D)
{
gfx.setColor(Color.WHITE)
gfx.fillRect(0, 0, w, h)
gfx.translate(- box.x, - box.y)
visualizer.paint_all_visible(gfx)
}
val name = file.getName
if (name.endsWith(".png")) Graphics_File.write_png(file, paint _, w, h)
else if (name.endsWith(".pdf")) Graphics_File.write_pdf(file, paint _, w, h)
else error("Bad type of file: " + quote(name) + " (.png or .pdf expected)")
}
}