/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.0b1)
- * Copyright (C) 2014 The Jalview Authors
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
*
* This file is part of Jalview.
*
* Jalview is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
*
* Jalview is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
* The Jalview Authors are detailed in the 'AUTHORS' file.
*/
package jalview.util;
-import java.io.*;
-import javax.imageio.*;
+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 java.awt.*;
-import java.awt.image.*;
+import javax.imageio.ImageIO;
-import org.jibble.epsgraphics.*;
-import jalview.gui.*;
-import jalview.io.*;
+import org.jfree.graphics2d.svg.SVGGraphics2D;
+import org.jfree.graphics2d.svg.SVGHints;
+import org.jibble.epsgraphics.EpsGraphics2D;
+
+import jalview.bin.Console;
+import jalview.io.JalviewFileChooser;
+import jalview.util.imagemaker.BitmapImageSizing;
public class ImageMaker
{
- public static final int EPS = 0;
+ 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 int PNG = 1;
+ public static final String EPS_EXTENSION = "eps";
- int type = -1;
+ public static final String PNG_EXTENSION = "png";
+
+ public static final String PNG_DESCRIPTION = "Portable network graphics";
EpsGraphics2D pg;
BufferedImage bi;
- public ImageMaker(Component parent, int type, String title, int width,
- int height, File file, String EPStitle)
+ TYPE type;
+
+ public enum TYPE
{
- this.type = type;
+ 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);
- if (file == null)
- {
- JalviewFileChooser chooser;
- chooser = type == EPS ? getEPSChooser() : getPNGChooser();
+ public final String name;
- chooser.setFileView(new jalview.io.JalviewFileView());
- chooser.setDialogTitle(title);
- chooser.setToolTipText("Save");
+ public final String label;
- int value = chooser.showSaveDialog(parent);
+ public final String extension;
- if (value == jalview.io.JalviewFileChooser.APPROVE_OPTION)
- {
- jalview.bin.Cache.setProperty("LAST_DIRECTORY", chooser
- .getSelectedFile().getParent());
+ public final String description;
- file = chooser.getSelectedFile();
- }
+ TYPE(String name, String label, String ext, String desc)
+ {
+ this.name = name;
+ this.label = label;
+ this.extension = ext;
+ this.description = desc;
}
- if (file != null)
+ public String getName()
{
- try
- {
- out = new FileOutputStream(file);
-
- if (type == EPS)
- {
- setupEPS(width, height, EPStitle);
- }
- else
- {
- setupPNG(width, height);
- }
- } catch (Exception ex)
- {
- System.out.println("Error creating "
- + (type == EPS ? "EPS" : "PNG") + " file.");
- }
+ return name;
+ }
+
+ public JalviewFileChooser getFileChooser()
+ {
+ return new JalviewFileChooser(extension, description);
}
+
+ public String getLabel()
+ {
+ return label;
+ }
+
}
- public Graphics getGraphics()
+ /**
+ * Constructor configures the graphics context ready for writing to
+ *
+ * @param imageType
+ * @param width
+ * @param height
+ * @param file
+ * @param fileTitle
+ * @param useLineart
+ * @param bitmapscale
+ * @throws IOException
+ */
+ public ImageMaker(TYPE imageType, int width, int height, File file,
+ String fileTitle, boolean useLineart, BitmapImageSizing userBis)
+ throws IOException
{
- return graphics;
+ 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, userBis);
+ break;
+ default:
+ }
}
- void setupPNG(int width, int height)
+ public Graphics getGraphics()
{
- 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);
+ 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
pg.flush();
pg.close();
break;
+ case SVG:
+ String svgData = ((SVGGraphics2D) getGraphics()).getSVGDocument();
+ out.write(svgData.getBytes());
+ out.flush();
+ 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)
+ /**
+ * Sets up a graphics object for the PNG image to be written on
+ *
+ * @param width
+ * @param height
+ * @param scale
+ */
+ protected void setupPNG(int width, int height, BitmapImageSizing userBis)
{
- boolean accurateText = true;
+ if (width == 0 || height == 0)
+ return;
- String renderStyle = jalview.bin.Cache.getDefault("EPS_RENDERING",
- "Prompt each time");
+ BitmapImageSizing bis = ImageMaker.getScaleWidthHeight(width, height,
+ userBis);
+ float usescale = bis.scale();
+ int usewidth = bis.width();
+ int useheight = bis.height();
- // 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")))
+ bi = new BufferedImage(usewidth, useheight, BufferedImage.TYPE_INT_RGB);
+ graphics = bi.getGraphics();
+ Graphics2D ig2 = (Graphics2D) graphics;
+ ig2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+ RenderingHints.VALUE_ANTIALIAS_ON);
+ if (usescale > 0.0f)
{
- EPSOptions eps = new EPSOptions();
- renderStyle = eps.getValue();
-
- if (renderStyle == null || eps.cancelled)
- {
- return;
- }
+ ig2.scale(usescale, usescale);
}
+ }
- if (renderStyle.equalsIgnoreCase("text"))
+ /**
+ * 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)
+ {
+ SVGGraphics2D g2 = new SVGGraphics2D(width, height);
+ if (useLineart)
{
- accurateText = false;
+ g2.setRenderingHint(SVGHints.KEY_DRAW_STRING_TYPE,
+ SVGHints.VALUE_DRAW_STRING_TYPE_VECTOR);
}
+ graphics = g2;
+ }
- try
- {
- pg = new EpsGraphics2D(title, out, 0, 0, width, height);
- Graphics2D ig2 = (Graphics2D) pg;
- ig2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
- RenderingHints.VALUE_ANTIALIAS_ON);
+ /**
+ * 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
+ {
+ 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;
+ }
- pg.setAccurateTextMode(accurateText);
+ /**
+ * Takes initial width and height, and suggested float scale, int width, int
+ * height and create a bounding box returned as a BitmapImageSizing object
+ * with consistent scale, width, height fields.
+ *
+ * @param width
+ * The unscaled image width
+ * @param height
+ * The unscaled image height
+ * @param scale
+ * The suggested scaling
+ * @param bitmapwidth
+ * The suggested width
+ * @param bitmapheight
+ * The suggested height
+ * @return BitmapImageSizing A consistent scale,width and height for the final
+ * image
+ */
+ public static BitmapImageSizing getScaleWidthHeight(int width, int height,
+ float scale, int bitmapwidth, int bitmapheight)
+ {
+ float usescale = 0.0f;
+ int usewidth = width;
+ int useheight = height;
- graphics = pg;
- } catch (Exception ex)
+ if ((width == 0 && bitmapwidth > 0)
+ || (height == 0 && bitmapheight > 0))
+ {
+ // original image is zero sized! Avoid dividing by zero!
+ return BitmapImageSizing.nullBitmapImageSizing();
+ }
+
+ // use the smallest positive scale (i.e. fit in the box)
+ if (scale > 0.0f)
{
+ usescale = scale;
+ usewidth = Math.round(scale * width);
+ useheight = Math.round(scale * height);
}
+ if (bitmapwidth > 0)
+ {
+ float wscale = (float) bitmapwidth / width;
+ if (wscale > 0.0f && (usescale == 0.0f || wscale < usescale))
+ {
+ usescale = wscale;
+ usewidth = bitmapwidth;
+ useheight = Math.round(usescale * height);
+ }
+ }
+ if (bitmapheight > 0)
+ {
+ float hscale = (float) bitmapheight / height;
+ if (hscale > 0.0f && (usescale == 0.0f || hscale < usescale))
+ {
+ usescale = hscale;
+ usewidth = Math.round(usescale * width);
+ useheight = bitmapheight;
+ }
+ }
+ return new BitmapImageSizing(usescale, usewidth, useheight, false);
}
- JalviewFileChooser getPNGChooser()
+ /**
+ * Takes suggested scale, width, height as a BitmapImageSizing object and
+ * create a bounding box returned as a BitmapImageSizing object with
+ * consistent scale, width, height fields.
+ *
+ * @param bis
+ * @return BitmapImageSizing
+ */
+ public static BitmapImageSizing getScaleWidthHeight(int width, int height,
+ BitmapImageSizing bis)
{
- return new jalview.io.JalviewFileChooser(
- jalview.bin.Cache.getProperty("LAST_DIRECTORY"), new String[]
- { "png" }, new String[]
- { "Portable network graphics" }, "Portable network graphics");
+ return ImageMaker.getScaleWidthHeight(width, height, bis.scale(),
+ bis.width(), bis.height());
}
- JalviewFileChooser getEPSChooser()
+ /**
+ * Takes String versions of suggested float scale, int width, int height and
+ * create a bounding box returned as a BitmapImageSizing object with
+ * consistent scale, width, height fields.
+ *
+ * @param scaleS
+ * @param widthS
+ * @param heightS
+ * @return BitmapImageSizing
+ */
+ public static BitmapImageSizing parseScaleWidthHeightStrings(
+ String scaleS, String widthS, String heightS)
{
- return new jalview.io.JalviewFileChooser(
- jalview.bin.Cache.getProperty("LAST_DIRECTORY"), new String[]
- { "eps" }, new String[]
- { "Encapsulated Postscript" }, "Encapsulated Postscript");
+ if (scaleS == null && widthS == null && heightS == null)
+ {
+ // if all items are null (i.e. not provided) we use the dynamic
+ // preferences set BIS
+ return BitmapImageSizing.defaultBitmapImageSizing();
+ }
+
+ float scale = 0.0f;
+ int width = 0;
+ int height = 0;
+
+ if (scaleS != null)
+ {
+ try
+ {
+ scale = Float.parseFloat(scaleS);
+ } catch (NumberFormatException e)
+ {
+ Console.warn("Did not understand scale '" + scaleS
+ + "', won't be used.");
+ }
+ }
+ if (widthS != null)
+ {
+ try
+ {
+ width = Integer.parseInt(widthS);
+ } catch (NumberFormatException e)
+ {
+ Console.warn("Did not understand width '" + widthS
+ + "', won't be used.");
+ }
+ }
+ if (heightS != null)
+ {
+ try
+ {
+ height = Integer.parseInt(heightS);
+ } catch (NumberFormatException e)
+ {
+ Console.warn("Did not understand height '" + heightS
+ + "', won't be used.");
+ }
+ }
+
+ return new BitmapImageSizing(scale, width, height, false);
}
}
git://source.jalview.org / jalview.git / blobdiff