*/
package jalview.util;
-import jalview.bin.Jalview;
-import jalview.gui.EPSOptions;
-import jalview.gui.IProgressIndicator;
-import jalview.gui.SVGOptions;
import jalview.io.JalviewFileChooser;
-import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
+import java.io.IOException;
import javax.imageio.ImageIO;
public class ImageMaker
{
- EpsGraphics2D pg;
+ public static final String SVG_DESCRIPTION = "Scalable Vector Graphics";
+
+ public static final String SVG_EXTENSION = "svg";
+
+ public static final String EPS_DESCRIPTION = "Encapsulated Postscript";
+
+ public static final String EPS_EXTENSION = "eps";
+
+ public static final String PNG_EXTENSION = "png";
- SVGGraphics2D g2;
+ public static final String PNG_DESCRIPTION = "Portable network graphics";
+
+ EpsGraphics2D pg;
Graphics graphics;
public enum TYPE
{
- EPS("EPS", MessageManager.getString("label.eps_file"), getEPSChooser()), PNG(
- "PNG", MessageManager.getString("label.png_image"),
- getPNGChooser()), SVG("SVG", "SVG", getSVGChooser());
+ EPS("EPS", MessageManager.getString("label.eps_file"), EPS_EXTENSION,
+ EPS_DESCRIPTION),
+ PNG("PNG", MessageManager.getString("label.png_image"), PNG_EXTENSION,
+ PNG_DESCRIPTION),
+ SVG("SVG", "SVG", SVG_EXTENSION, SVG_DESCRIPTION);
- private JalviewFileChooser chooser;
+ public final String name;
- private String name;
+ public final String label;
- private String label;
+ public final String extension;
- TYPE(String name, String label, JalviewFileChooser chooser)
+ public final String description;
+
+ TYPE(String name, String label, String ext, String desc)
{
this.name = name;
this.label = label;
- this.chooser = chooser;
+ this.extension = ext;
+ this.description = desc;
}
public String getName()
return name;
}
- public JalviewFileChooser getChooser()
+ public JalviewFileChooser getFileChooser()
{
- return chooser;
+ return new JalviewFileChooser(extension, description);
}
public String getLabel()
}
- public ImageMaker(Component parent, TYPE type, String title, int width,
- int height, File file, String fileTitle,
- IProgressIndicator pIndicator, long pSessionId, boolean headless)
+ /**
+ * Constructor configures the graphics context ready for writing to
+ *
+ * @param imageType
+ * @param width
+ * @param height
+ * @param file
+ * @param fileTitle
+ * @param useLineart
+ * @throws IOException
+ */
+ public ImageMaker(TYPE imageType, int width, int height, File file,
+ String fileTitle, boolean useLineart) throws IOException
{
- this.type = type;
-
- if (file == null)
- {
- if (pIndicator != null && !headless)
- {
- pIndicator.setProgressBar(
- MessageManager.formatMessage(
- "status.waiting_for_user_to_select_output_file",
- type.name), pSessionId);
- }
- JalviewFileChooser chooser;
- chooser = type.getChooser();
- chooser.setFileView(new jalview.io.JalviewFileView());
- chooser.setDialogTitle(title);
- chooser.setToolTipText(MessageManager.getString("action.save"));
- int value = chooser.showSaveDialog(parent);
-
- if (value == jalview.io.JalviewFileChooser.APPROVE_OPTION)
- {
- jalview.bin.Cache.setProperty("LAST_DIRECTORY", chooser
- .getSelectedFile().getParent());
- file = chooser.getSelectedFile();
- }
- else
- {
- if (pIndicator != null && !headless)
- {
- pIndicator.setProgressBar(MessageManager.formatMessage(
- "status.cancelled_image_export_operation", type.name),
- pSessionId);
- }
- }
- }
-
- if (file != null)
- {
- try
- {
- out = new FileOutputStream(file);
- pIndicator.setProgressBar(null, pSessionId);
- pIndicator.setProgressBar(MessageManager.formatMessage(
- "status.exporting_alignment_as_x_file", type.getName()),
- pSessionId);
- if (type == TYPE.SVG)
- {
- setupSVG(width, height, fileTitle);
- }
- else if (type == TYPE.EPS)
- {
- setupEPS(width, height, fileTitle);
- }
- else if (type == TYPE.PNG)
- {
- setupPNG(width, height);
- }
- if (pIndicator != null && !headless)
- {
- pIndicator.setProgressBar(
-MessageManager.formatMessage(
- "status.export_complete", type.getName()),
- pSessionId);
- }
- } catch (Exception ex)
- {
- System.out.println("Error creating " + type.getName() + " file.");
-
- pIndicator.setProgressBar(MessageManager.formatMessage(
- "info.error_creating_file", type.getName()), pSessionId);
- }
+ this.type = imageType;
+
+ out = new FileOutputStream(file);
+ switch (imageType)
+ {
+ case SVG:
+ setupSVG(width, height, useLineart);
+ break;
+ case EPS:
+ setupEPS(width, height, fileTitle, useLineart);
+ break;
+ case PNG:
+ setupPNG(width, height);
+ break;
+ default:
}
}
return graphics;
}
+ /**
+ * For SVG or PNG, writes the generated graphics data to the file output
+ * stream. For EPS, flushes the output graphics (which is written to file as
+ * it is generated).
+ */
public void writeImage()
{
try
out.close();
break;
case PNG:
- ImageIO.write(bi, "png", out);
+ ImageIO.write(bi, PNG_EXTENSION, out);
out.flush();
out.close();
break;
}
}
- void setupEPS(int width, int height, String title)
- {
- boolean accurateText = true;
-
- String renderStyle = jalview.bin.Cache.getDefault("EPS_RENDERING",
- "Prompt each time");
-
- // If we need to prompt, and if the GUI is visible then
- // Prompt for EPS rendering style
- if (renderStyle.equalsIgnoreCase("Prompt each time")
- && !(System.getProperty("java.awt.headless") != null && System
- .getProperty("java.awt.headless").equals("true")))
- {
- EPSOptions eps = new EPSOptions();
- renderStyle = eps.getValue();
-
- if (renderStyle == null || eps.cancelled)
- {
- return;
- }
- }
-
- if (renderStyle.equalsIgnoreCase("text"))
- {
- accurateText = false;
- }
-
- try
- {
- pg = new EpsGraphics2D(title, out, 0, 0, width, height);
- Graphics2D ig2 = pg;
- ig2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
- RenderingHints.VALUE_ANTIALIAS_ON);
-
- pg.setAccurateTextMode(accurateText);
-
- graphics = pg;
- } catch (Exception ex)
- {
- }
- }
-
- void setupPNG(int width, int height)
+ /**
+ * Sets up a graphics object for the PNG image to be written on
+ *
+ * @param width
+ * @param height
+ */
+ protected void setupPNG(int width, int height)
{
bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
graphics = bi.getGraphics();
Graphics2D ig2 = (Graphics2D) graphics;
ig2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
-
}
- void setupSVG(int width, int height, String title)
+ /**
+ * A helper method to configure the SVG output graphics, with choice of Text
+ * or Lineart character rendering
+ *
+ * @param width
+ * @param height
+ * @param useLineart
+ * true for Lineart character rendering, false for Text
+ */
+ protected void setupSVG(int width, int height, boolean useLineart)
{
-
- g2 = new SVGGraphics2D(width, height);
- Graphics2D ig2 = g2;
-
- String renderStyle = jalview.bin.Cache.getDefault("SVG_RENDERING",
- "Prompt each time");
-
- // If we need to prompt, and if the GUI is visible then
- // Prompt for EPS rendering style
- if (renderStyle.equalsIgnoreCase("Prompt each time")
- && !(System.getProperty("java.awt.headless") != null && System
- .getProperty("java.awt.headless").equals("true")))
- {
- SVGOptions svgOption = new SVGOptions();
- renderStyle = svgOption.getValue();
-
- if (renderStyle == null || svgOption.cancelled)
- {
- return;
- }
- }
-
- if (renderStyle.equalsIgnoreCase("Lineart"))
+ SVGGraphics2D g2 = new SVGGraphics2D(width, height);
+ if (useLineart)
{
- ig2.setRenderingHint(SVGHints.KEY_DRAW_STRING_TYPE,
+ g2.setRenderingHint(SVGHints.KEY_DRAW_STRING_TYPE,
SVGHints.VALUE_DRAW_STRING_TYPE_VECTOR);
}
-
graphics = g2;
}
- static JalviewFileChooser getPNGChooser()
+ /**
+ * A helper method that sets up the EPS graphics output with user choice of
+ * Text or Lineart character rendering
+ *
+ * @param width
+ * @param height
+ * @param title
+ * @param useLineart
+ * true for Lineart character rendering, false for Text
+ * @throws IOException
+ */
+ protected void setupEPS(int width, int height, String title,
+ boolean useLineart) throws IOException
{
- if (Jalview.isHeadlessMode())
- {
- return null;
- }
- return new jalview.io.JalviewFileChooser(
- jalview.bin.Cache.getProperty("LAST_DIRECTORY"),
- new String[] { "png" },
- new String[] { "Portable network graphics" },
- "Portable network graphics");
- }
-
- static JalviewFileChooser getEPSChooser()
- {
- if (Jalview.isHeadlessMode())
- {
- return null;
- }
- return new jalview.io.JalviewFileChooser(
- jalview.bin.Cache.getProperty("LAST_DIRECTORY"),
- new String[] { "eps" },
- new String[] { "Encapsulated Postscript" },
- "Encapsulated Postscript");
- }
-
- static JalviewFileChooser getSVGChooser()
- {
- if (Jalview.isHeadlessMode())
- {
- return null;
- }
- return new jalview.io.JalviewFileChooser(
- jalview.bin.Cache.getProperty("LAST_DIRECTORY"),
- new String[] { "svg" },
- new String[] { "Scalable Vector Graphics" },
- "Scalable Vector Graphics");
+ pg = new EpsGraphics2D(title, out, 0, 0, width, height);
+ Graphics2D ig2 = pg;
+ ig2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+ RenderingHints.VALUE_ANTIALIAS_ON);
+ pg.setAccurateTextMode(useLineart);
+ graphics = pg;
}
}
git://source.jalview.org / jalview.git / blobdiff