-/*\r
- * Jalview - A Sequence Alignment Editor and Viewer\r
- * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle\r
- *\r
- * This program is free software; you can redistribute it and/or\r
- * modify it under the terms of the GNU General Public License\r
- * as published by the Free Software Foundation; either version 2\r
- * of the License, or (at your option) any later version.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- * You should have received a copy of the GNU General Public License\r
- * along with this program; if not, write to the Free Software\r
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA\r
- */\r
-package jalview.gui;\r
-\r
-import jalview.datamodel.*;\r
-\r
-import java.awt.*;\r
-import java.awt.image.*;\r
-\r
-import javax.swing.*;\r
-\r
-\r
-/**\r
- * DOCUMENT ME!\r
- *\r
- * @author $author$\r
- * @version $Revision$\r
- */\r
-public class SeqCanvas extends JComponent\r
-{\r
- FeatureRenderer fr;\r
- SequenceRenderer sr;\r
- BufferedImage img;\r
- Graphics2D gg;\r
- int imgWidth;\r
- int imgHeight;\r
- AlignViewport av;\r
- boolean displaySearch = false;\r
- int[] searchResults = null;\r
- int chunkHeight;\r
- int chunkWidth;\r
- boolean fastPaint = false;\r
- int LABEL_WEST;\r
- int LABEL_EAST;\r
-\r
- boolean isOverview = false;\r
-\r
- /**\r
- * Creates a new SeqCanvas object.\r
- *\r
- * @param av DOCUMENT ME!\r
- */\r
- public SeqCanvas(AlignViewport av)\r
- {\r
- this.av = av;\r
- fr = new FeatureRenderer(av);\r
- sr = new SequenceRenderer(av);\r
- setLayout(new BorderLayout());\r
- PaintRefresher.Register(this, av.alignment);\r
- setBackground(Color.white);\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param g DOCUMENT ME!\r
- * @param startx DOCUMENT ME!\r
- * @param endx DOCUMENT ME!\r
- * @param ypos DOCUMENT ME!\r
- */\r
- void drawNorthScale(Graphics g, int startx, int endx, int ypos)\r
- {\r
- int scalestartx = startx - (startx % 10) + 10;\r
-\r
- g.setColor(Color.black);\r
-\r
- // NORTH SCALE\r
- for (int i = scalestartx; i < endx; i += 10)\r
- {\r
- String string = String.valueOf(i);\r
- g.drawString(string, (i - startx - 1) * av.charWidth,\r
- ypos - (av.charHeight / 2));\r
-\r
- g.drawLine(((i - startx - 1) * av.charWidth) + (av.charWidth / 2),\r
- (ypos + 2) - (av.charHeight / 2),\r
- ((i - startx - 1) * av.charWidth) + (av.charWidth / 2), ypos -\r
- 2);\r
- }\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param g DOCUMENT ME!\r
- * @param startx DOCUMENT ME!\r
- * @param endx DOCUMENT ME!\r
- * @param ypos DOCUMENT ME!\r
- */\r
- void drawWestScale(Graphics g, int startx, int endx, int ypos)\r
- {\r
- FontMetrics fm = getFontMetrics(av.getFont());\r
- ypos += av.charHeight;\r
-\r
- // EAST SCALE\r
- for (int i = 0; i < av.alignment.getHeight(); i++)\r
- {\r
- SequenceI seq = av.alignment.getSequenceAt(i);\r
- int index = startx;\r
- int value = -1;\r
-\r
- while (index < endx)\r
- {\r
- if (jalview.util.Comparison.isGap(seq.getCharAt(index)))\r
- {\r
- index++;\r
-\r
- continue;\r
- }\r
-\r
- value = av.alignment.getSequenceAt(i).findPosition(index);\r
-\r
- break;\r
- }\r
-\r
- if (value != -1)\r
- {\r
- int x = LABEL_WEST - fm.stringWidth(String.valueOf(value))-av.charWidth/2;\r
- g.drawString(value + "", x,\r
- (ypos + (i * av.charHeight)) - (av.charHeight / 5));\r
- }\r
- }\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param g DOCUMENT ME!\r
- * @param startx DOCUMENT ME!\r
- * @param endx DOCUMENT ME!\r
- * @param ypos DOCUMENT ME!\r
- */\r
- void drawEastScale(Graphics g, int startx, int endx, int ypos)\r
- {\r
- ypos += av.charHeight;\r
-\r
- // EAST SCALE\r
- for (int i = 0; i < av.alignment.getHeight(); i++)\r
- {\r
- SequenceI seq = av.alignment.getSequenceAt(i);\r
- int index = endx;\r
- int value = -1;\r
-\r
- while (index > startx)\r
- {\r
- if (jalview.util.Comparison.isGap(seq.getCharAt(index)))\r
- {\r
- index--;\r
-\r
- continue;\r
- }\r
-\r
- value = av.alignment.getSequenceAt(i).findPosition(index);\r
-\r
- break;\r
- }\r
-\r
- if (value != -1)\r
- {\r
- g.drawString(String.valueOf(value), av.charWidth/2,\r
- (ypos + (i * av.charHeight)) - (av.charHeight / 5));\r
- }\r
- }\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param horizontal DOCUMENT ME!\r
- * @param vertical DOCUMENT ME!\r
- */\r
- public void fastPaint(int horizontal, int vertical)\r
- {\r
- if (gg == null)\r
- {\r
- return;\r
- }\r
-\r
- gg.copyArea(0, 0, imgWidth, imgHeight, -horizontal * av.charWidth,\r
- -vertical * av.charHeight);\r
-\r
- int sr = av.startRes;\r
- int er = av.endRes;\r
- int ss = av.startSeq;\r
- int es = av.endSeq;\r
- int transX = 0;\r
- int transY = 0;\r
-\r
- if (horizontal > 0) // scrollbar pulled right, image to the left\r
- {\r
- er ++;\r
- transX = (er - sr - horizontal) * av.charWidth;\r
- sr = er - horizontal;\r
- }\r
- else if (horizontal < 0)\r
- {\r
- er = sr - horizontal-1;\r
- }\r
- else if (vertical > 0) // scroll down\r
- {\r
- ss = es - vertical;\r
-\r
- if (ss < av.startSeq)\r
- { // ie scrolling too fast, more than a page at a time\r
- ss = av.startSeq;\r
- }\r
- else\r
- {\r
- transY = imgHeight - (vertical * av.charHeight);\r
- }\r
- }\r
- else if (vertical < 0)\r
- {\r
- es = ss - vertical;\r
-\r
- if (es > av.endSeq)\r
- {\r
- es = av.endSeq;\r
- }\r
- }\r
-\r
- gg.translate(transX, transY);\r
- drawPanel(gg, sr, er, ss, es, sr, ss, 0);\r
- gg.translate(-transX, -transY);\r
-\r
- fastPaint = true;\r
- repaint();\r
- }\r
-\r
- /**\r
- * Definitions of startx and endx (hopefully):\r
- * SMJS This is what I'm working towards!\r
- * startx is the first residue (starting at 0) to display.\r
- * endx is the last residue to display (starting at 0).\r
- * starty is the first sequence to display (starting at 0).\r
- * endy is the last sequence to display (starting at 0).\r
- * NOTE 1: The av limits are set in setFont in this class and\r
- * in the adjustment listener in SeqPanel when the scrollbars move.\r
- */\r
-\r
- // Set this to false to force a full panel paint\r
- public void paintComponent(Graphics g)\r
- {\r
- sr.renderGaps(av.renderGaps);\r
-\r
- if ((img != null) &&\r
- (fastPaint || (getWidth() != g.getClipBounds().width) ||\r
- (getHeight() != g.getClipBounds().height)))\r
- {\r
- g.drawImage(img, 0, 0, this);\r
- fastPaint = false;\r
-\r
- return;\r
- }\r
-\r
- // this draws the whole of the alignment\r
- imgWidth = getWidth();\r
- imgHeight = getHeight();\r
-\r
- imgWidth -= (imgWidth % av.charWidth);\r
- imgHeight -= (imgHeight % av.charHeight);\r
-\r
- if ((imgWidth < 1) || (imgHeight < 1))\r
- {\r
- return;\r
- }\r
-\r
-\r
- img = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_RGB);\r
- gg = (Graphics2D) img.getGraphics();\r
- gg.setFont(av.getFont());\r
- gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,\r
- RenderingHints.VALUE_ANTIALIAS_ON);\r
-\r
- gg.setColor(Color.white);\r
- gg.fillRect(0, 0, imgWidth, imgHeight);\r
-\r
- chunkWidth = getWrappedCanvasWidth(getWidth());\r
- chunkHeight = (av.getAlignment().getHeight() + 2) * av.charHeight;\r
-\r
- av.setChunkHeight(chunkHeight);\r
- av.setChunkWidth(chunkWidth);\r
-\r
- if (av.getWrapAlignment())\r
- {\r
- drawWrappedPanel(gg, getWidth(), getHeight(), av.startRes);\r
- }\r
- else\r
- {\r
- drawPanel(gg, av.startRes, av.endRes, av.startSeq, av.endSeq,\r
- av.startRes, av.startSeq, 0);\r
- }\r
-\r
- g.drawImage(img, 0, 0, this);\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param cwidth DOCUMENT ME!\r
- *\r
- * @return DOCUMENT ME!\r
- */\r
- public int getWrappedCanvasWidth(int cwidth)\r
- {\r
- FontMetrics fm = getFontMetrics(av.getFont());\r
-\r
- LABEL_EAST = 0;\r
- LABEL_WEST = 0;\r
-\r
- if (av.scaleRightWrapped)\r
- {\r
- LABEL_EAST = fm.stringWidth(getMask()+"0");\r
- }\r
-\r
- if (av.scaleLeftWrapped)\r
- {\r
- LABEL_WEST = fm.stringWidth(getMask());\r
- }\r
-\r
- return (cwidth - LABEL_EAST - LABEL_WEST) / av.charWidth;\r
- }\r
-\r
-\r
- /**\r
- * Generates a string of zeroes.\r
- * @return String\r
- */\r
- String getMask()\r
- {\r
- String mask = "0";\r
- for (int i = av.alignment.getWidth(); i > 0; i /= 10)\r
- {\r
- mask += "0";\r
- }\r
- return mask;\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param g DOCUMENT ME!\r
- * @param canvasWidth DOCUMENT ME!\r
- * @param canvasHeight DOCUMENT ME!\r
- * @param startRes DOCUMENT ME!\r
- */\r
- public void drawWrappedPanel(Graphics g, int canvasWidth, int canvasHeight,\r
- int startRes)\r
- {\r
-\r
- AlignmentI al = av.getAlignment();\r
-\r
- FontMetrics fm = getFontMetrics(av.getFont());\r
-\r
- int LABEL_EAST = 0;\r
-\r
- if (av.scaleRightWrapped)\r
- {\r
- LABEL_EAST = fm.stringWidth(getMask()+"0");\r
- }\r
-\r
- int LABEL_WEST = 0;\r
-\r
- if (av.scaleLeftWrapped)\r
- {\r
- LABEL_WEST = fm.stringWidth(getMask());\r
- }\r
-\r
- int cWidth = (canvasWidth - LABEL_EAST - LABEL_WEST) / av.charWidth;\r
- int cHeight = (av.getAlignment().getHeight() + 2) * av.charHeight;\r
-\r
- av.endRes = av.startRes + cWidth;\r
-\r
- int endx = (startRes + cWidth) - 1;\r
- int ypos = 2 * av.charHeight;\r
-\r
- while ((ypos <= canvasHeight) && (startRes < av.alignment.getWidth()))\r
- {\r
- g.setColor(Color.black);\r
-\r
- if (av.scaleLeftWrapped)\r
- {\r
- drawWestScale(g, startRes, endx, ypos);\r
- }\r
-\r
- if (av.scaleRightWrapped)\r
- {\r
- g.translate(canvasWidth - LABEL_EAST, 0);\r
- drawEastScale(g, startRes, endx, ypos);\r
- g.translate(-(canvasWidth - LABEL_EAST), 0);\r
- }\r
-\r
- g.translate(LABEL_WEST, 0);\r
-\r
- if (av.scaleAboveWrapped)\r
- {\r
- drawNorthScale(g, startRes, endx, ypos);\r
- }\r
-\r
- // When printing we have an extra clipped region,\r
- // the Printable page which we need to account for here\r
- Shape clip = g.getClip();\r
-\r
- if (clip == null)\r
- {\r
- g.setClip(0, 0, cWidth * av.charWidth, canvasHeight);\r
- }\r
- else\r
- {\r
- g.setClip(0, (int) clip.getBounds().getY(),\r
- cWidth * av.charWidth, (int) clip.getBounds().getHeight());\r
- }\r
-\r
- if (av.vconsensus!=null && av.alignment.getWidth() >= av.vconsensus.size())\r
- {\r
- endx = av.vconsensus.size() - 2;\r
- }\r
-\r
-\r
- drawPanel(g, startRes, endx, 0, al.getHeight(), startRes, 0, ypos);\r
- g.setClip(clip);\r
- g.translate(-LABEL_WEST, 0);\r
-\r
- ypos += cHeight;\r
- startRes += cWidth;\r
- endx = (startRes + cWidth) - 1;\r
-\r
- if (endx > al.getWidth())\r
- {\r
- endx = al.getWidth();\r
- }\r
- }\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param g1 DOCUMENT ME!\r
- * @param x1 DOCUMENT ME!\r
- * @param x2 DOCUMENT ME!\r
- * @param y1 DOCUMENT ME!\r
- * @param y2 DOCUMENT ME!\r
- * @param startx DOCUMENT ME!\r
- * @param starty DOCUMENT ME!\r
- * @param offset DOCUMENT ME!\r
- */\r
- synchronized public void drawPanel(Graphics g1, int x1, int x2, int y1,\r
- int y2, int startx, int starty, int offset)\r
- {\r
- Graphics2D g = (Graphics2D) g1;\r
- g.setFont(av.getFont());\r
-\r
- SequenceI nextSeq;\r
-\r
- /// First draw the sequences\r
- /////////////////////////////\r
- for (int i = y1; i < y2; i++)\r
- {\r
- nextSeq = av.alignment.getSequenceAt(i);\r
-\r
- sr.drawSequence(g, nextSeq, av.alignment.findAllGroups(nextSeq),\r
- x1, x2, (x1 - startx) * av.charWidth,\r
- offset + ((i - starty) * av.charHeight), av.charWidth,\r
- av.charHeight);\r
-\r
- if (av.showSequenceFeatures)\r
- {\r
- fr.drawSequence(g, nextSeq,\r
- av.alignment.findAllGroups(nextSeq), x1, x2,\r
- (x1 - startx) * av.charWidth,\r
- offset + ((i - starty) * av.charHeight), av.charWidth,\r
- av.charHeight);\r
- }\r
- }\r
-\r
- //\r
- /////////////////////////////////////\r
- // Now outline any areas if necessary\r
- /////////////////////////////////////\r
- SequenceGroup group = av.getSelectionGroup();\r
- java.util.Vector groups = av.alignment.getGroups();\r
-\r
- int sx = -1;\r
- int sy = -1;\r
- int ex = -1;\r
- int groupIndex = -1;\r
-\r
- if ((group == null) && (groups.size() > 0))\r
- {\r
- group = (SequenceGroup) groups.elementAt(0);\r
- groupIndex = 0;\r
- }\r
-\r
-\r
- if (group != null && !isOverview)\r
- {\r
- do\r
- {\r
- int oldY = -1;\r
- int i = 0;\r
- boolean inGroup = false;\r
- int top = -1;\r
- int bottom = -1;\r
-\r
- for (i = y1; i < y2; i++)\r
- {\r
- sx = (group.getStartRes() - startx) * av.charWidth;\r
- sy = offset + ((i - starty) * av.charHeight);\r
- ex = (((group.getEndRes() + 1) - group.getStartRes()) * av.charWidth) -\r
- 1;\r
-\r
- if(sx+ex<0 || sx>imgWidth)\r
- {\r
- continue;\r
- }\r
-\r
- if ( (sx <= (x2-x1)*av.charWidth) &&\r
- group.sequences.contains(av.alignment.getSequenceAt(\r
- i)))\r
- {\r
- if ((bottom == -1) &&\r
- !group.sequences.contains(\r
- av.alignment.getSequenceAt(i + 1)))\r
- {\r
- bottom = sy + av.charHeight;\r
- }\r
-\r
- if (!inGroup)\r
- {\r
- if (((top == -1) && (i == 0)) ||\r
- !group.sequences.contains(\r
- av.alignment.getSequenceAt(i - 1)))\r
- {\r
- top = sy;\r
- }\r
-\r
- oldY = sy;\r
- inGroup = true;\r
-\r
- if (group == av.getSelectionGroup())\r
- {\r
- g.setStroke(new BasicStroke(1,\r
- BasicStroke.CAP_BUTT,\r
- BasicStroke.JOIN_ROUND, 3f,\r
- new float[] { 5f, 3f }, 0f));\r
- g.setColor(Color.RED);\r
- }\r
- else\r
- {\r
- g.setStroke(new BasicStroke());\r
- g.setColor(group.getOutlineColour());\r
- }\r
- }\r
- }\r
- else\r
- {\r
- if (inGroup)\r
- {\r
- if (sx >= 0 && sx < imgWidth)\r
- g.drawLine(sx, oldY, sx, sy);\r
-\r
- if (sx + ex < imgWidth)\r
- g.drawLine(sx + ex, oldY, sx + ex, sy);\r
-\r
- if (sx < 0)\r
- {\r
- ex += sx;\r
- sx = 0;\r
- }\r
-\r
- if (sx + ex > imgWidth)\r
- ex = imgWidth;\r
-\r
- else if (sx + ex >= (x2 - x1 + 1) * av.charWidth)\r
- ex = (x2 - x1 + 1) * av.charWidth;\r
-\r
- if (top != -1)\r
- {\r
- g.drawLine(sx, top, sx + ex, top);\r
- top = -1;\r
- }\r
-\r
- if (bottom != -1)\r
- {\r
- g.drawLine(sx, bottom, sx + ex, bottom);\r
- bottom = -1;\r
- }\r
-\r
- inGroup = false;\r
- }\r
- }\r
- }\r
-\r
- if (inGroup)\r
- {\r
- sy = offset + ( (i - starty) * av.charHeight);\r
- if (sx >= 0 && sx < imgWidth)\r
- g.drawLine(sx, oldY, sx, sy);\r
-\r
- if (sx + ex < imgWidth)\r
- g.drawLine(sx + ex, oldY, sx + ex, sy);\r
-\r
- if (sx < 0)\r
- {\r
- ex += sx;\r
- sx = 0;\r
- }\r
-\r
- if (sx + ex > imgWidth)\r
- ex = imgWidth;\r
- else if (sx + ex >= (x2 - x1 + 1) * av.charWidth)\r
- ex = (x2 - x1 + 1) * av.charWidth;\r
-\r
- if (top != -1)\r
- {\r
- g.drawLine(sx, top, sx + ex, top);\r
- top = -1;\r
- }\r
-\r
- if (bottom != -1)\r
- {\r
- g.drawLine(sx, bottom - 1, sx + ex, bottom - 1);\r
- bottom = -1;\r
- }\r
-\r
- inGroup = false;\r
- }\r
-\r
- groupIndex++;\r
-\r
- if (groupIndex >= groups.size())\r
- {\r
- break;\r
- }\r
-\r
- group = (SequenceGroup) groups.elementAt(groupIndex);\r
- }\r
- while (groupIndex < groups.size());\r
- }\r
-\r
- /// Highlight search Results once all sequences have been drawn\r
- //////////////////////////////////////////////////////////\r
- if (displaySearch)\r
- {\r
- for (int r = 0; r < searchResults.length; r += 3)\r
- {\r
- int searchSeq = searchResults[r];\r
-\r
- if ((searchSeq >= y1) && (searchSeq < y2))\r
- {\r
- SequenceI seq = av.getAlignment().getSequenceAt(searchSeq);\r
-\r
- int searchStart = seq.findIndex(searchResults[r + 1]) - 1;\r
- int searchEnd = seq.findIndex(searchResults[r + 2]) - 1;\r
-\r
- SequenceRenderer ssr = (SequenceRenderer) sr;\r
-\r
- if (searchStart < x1)\r
- {\r
- searchStart = x1;\r
- }\r
-\r
- if (searchEnd > x2)\r
- {\r
- searchEnd = x2;\r
- }\r
-\r
- ssr.drawHighlightedText(seq, searchStart, searchEnd,\r
- (searchStart - startx) * av.charWidth,\r
- offset + ((searchSeq - starty) * av.charHeight),\r
- av.charWidth, av.charHeight);\r
- }\r
- }\r
- }\r
- }\r
-\r
- /**\r
- * DOCUMENT ME!\r
- *\r
- * @param results DOCUMENT ME!\r
- */\r
- public void highlightSearchResults(int[] results)\r
- {\r
- // results are in the order sequence, startRes, endRes\r
- if (results == null)\r
- {\r
- displaySearch = false;\r
- }\r
- else\r
- {\r
- displaySearch = true;\r
- }\r
-\r
- searchResults = results;\r
-\r
- repaint();\r
- }\r
-}\r
+/*
+ * 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.
+ *
+ * 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/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.gui;
+
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.HiddenColumns;
+import jalview.datamodel.SearchResultsI;
+import jalview.datamodel.SequenceGroup;
+import jalview.datamodel.SequenceI;
+import jalview.renderer.ScaleRenderer;
+import jalview.renderer.ScaleRenderer.ScaleMark;
+import jalview.util.Comparison;
+import jalview.viewmodel.ViewportListenerI;
+import jalview.viewmodel.ViewportRanges;
+
+import java.awt.AlphaComposite;
+import java.awt.BasicStroke;
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.FontMetrics;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.Shape;
+import java.awt.image.BufferedImage;
+import java.beans.PropertyChangeEvent;
+import java.util.List;
+
+import javax.swing.JComponent;
+
+/**
+ * The Swing component on which the alignment sequences, and annotations (if
+ * shown), are drawn. This includes scales above, left and right (if shown) in
+ * Wrapped mode, but not the scale above in Unwrapped mode.
+ *
+ */
+public class SeqCanvas extends JComponent implements ViewportListenerI
+{
+ private static final String ZEROS = "0000000000";
+
+ final FeatureRenderer fr;
+
+ BufferedImage img;
+
+ AlignViewport av;
+
+ int cursorX = 0;
+
+ int cursorY = 0;
+
+ private final SequenceRenderer seqRdr;
+
+ private boolean fastPaint = false;
+
+ private boolean fastpainting = false;
+
+ private AnnotationPanel annotations;
+
+ /*
+ * measurements for drawing a wrapped alignment
+ */
+ private int labelWidthEast; // label right width in pixels if shown
+
+ private int labelWidthWest; // label left width in pixels if shown
+
+ private int wrappedSpaceAboveAlignment; // gap between widths
+
+ private int wrappedRepeatHeightPx; // height in pixels of wrapped width
+
+ private int wrappedVisibleWidths; // number of wrapped widths displayed
+
+ private Graphics2D gg;
+
+ /**
+ * Creates a new SeqCanvas object.
+ *
+ * @param ap
+ */
+ public SeqCanvas(AlignmentPanel ap)
+ {
+ this.av = ap.av;
+ fr = new FeatureRenderer(ap);
+ seqRdr = new SequenceRenderer(av);
+ setLayout(new BorderLayout());
+ PaintRefresher.Register(this, av.getSequenceSetId());
+ setBackground(Color.white);
+
+ av.getRanges().addPropertyChangeListener(this);
+ }
+
+ public SequenceRenderer getSequenceRenderer()
+ {
+ return seqRdr;
+ }
+
+ public FeatureRenderer getFeatureRenderer()
+ {
+ return fr;
+ }
+
+ /**
+ * Draws the scale above a region of a wrapped alignment, consisting of a
+ * column number every major interval (10 columns).
+ *
+ * @param g
+ * the graphics context to draw on, positioned at the start (bottom
+ * left) of the line on which to draw any scale marks
+ * @param startx
+ * start alignment column (0..)
+ * @param endx
+ * end alignment column (0..)
+ * @param ypos
+ * y offset to draw at
+ */
+ private void drawNorthScale(Graphics g, int startx, int endx, int ypos)
+ {
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ /*
+ * white fill the scale space (for the fastPaint case)
+ */
+ g.setColor(Color.white);
+ g.fillRect(0, ypos - charHeight - charHeight / 2, getWidth(),
+ charHeight * 3 / 2 + 2);
+ g.setColor(Color.black);
+
+ List<ScaleMark> marks = new ScaleRenderer().calculateMarks(av, startx,
+ endx);
+ for (ScaleMark mark : marks)
+ {
+ int mpos = mark.column; // (i - startx - 1)
+ if (mpos < 0)
+ {
+ continue;
+ }
+ String mstring = mark.text;
+
+ if (mark.major)
+ {
+ if (mstring != null)
+ {
+ g.drawString(mstring, mpos * charWidth, ypos - (charHeight / 2));
+ }
+
+ /*
+ * draw a tick mark below the column number, centred on the column;
+ * height of tick mark is 4 pixels less than half a character
+ */
+ int xpos = (mpos * charWidth) + (charWidth / 2);
+ g.drawLine(xpos, (ypos + 2) - (charHeight / 2), xpos, ypos - 2);
+ }
+ }
+ }
+
+ /**
+ * Draw the scale to the left or right of a wrapped alignment
+ *
+ * @param g
+ * graphics context, positioned at the start of the scale to be drawn
+ * @param startx
+ * first column of wrapped width (0.. excluding any hidden columns)
+ * @param endx
+ * last column of wrapped width (0.. excluding any hidden columns)
+ * @param ypos
+ * vertical offset at which to begin the scale
+ * @param left
+ * if true, scale is left of residues, if false, scale is right
+ */
+ void drawVerticalScale(Graphics g, final int startx, final int endx,
+ final int ypos, final boolean left)
+ {
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ int yPos = ypos + charHeight;
+ int startX = startx;
+ int endX = endx;
+
+ if (av.hasHiddenColumns())
+ {
+ HiddenColumns hiddenColumns = av.getAlignment().getHiddenColumns();
+ startX = hiddenColumns.adjustForHiddenColumns(startx);
+ endX = hiddenColumns.adjustForHiddenColumns(endx);
+ }
+ FontMetrics fm = getFontMetrics(av.getFont());
+
+ for (int i = 0; i < av.getAlignment().getHeight(); i++)
+ {
+ SequenceI seq = av.getAlignment().getSequenceAt(i);
+
+ /*
+ * find sequence position of first non-gapped position -
+ * to the right if scale left, to the left if scale right
+ */
+ int index = left ? startX : endX;
+ int value = -1;
+ while (index >= startX && index <= endX)
+ {
+ if (!Comparison.isGap(seq.getCharAt(index)))
+ {
+ value = seq.findPosition(index);
+ break;
+ }
+ if (left)
+ {
+ index++;
+ }
+ else
+ {
+ index--;
+ }
+ }
+
+ /*
+ * white fill the space for the scale
+ */
+ g.setColor(Color.white);
+ int y = (yPos + (i * charHeight)) - (charHeight / 5);
+ // fillRect origin is top left of rectangle
+ g.fillRect(0, y - charHeight, left ? labelWidthWest : labelWidthEast,
+ charHeight + 1);
+
+ if (value != -1)
+ {
+ /*
+ * draw scale value, right justified within its width less half a
+ * character width padding on the right
+ */
+ int labelSpace = left ? labelWidthWest : labelWidthEast;
+ labelSpace -= charWidth / 2; // leave space to the right
+ String valueAsString = String.valueOf(value);
+ int labelLength = fm.stringWidth(valueAsString);
+ int xOffset = labelSpace - labelLength;
+ g.setColor(Color.black);
+ g.drawString(valueAsString, xOffset, y);
+ }
+ }
+ }
+
+ /**
+ * Does a fast paint of an alignment in response to a scroll. Most of the
+ * visible region is simply copied and shifted, and then any newly visible
+ * columns or rows are drawn. The scroll may be horizontal or vertical, but
+ * not both at once. Scrolling may be the result of
+ * <ul>
+ * <li>dragging a scroll bar</li>
+ * <li>clicking in the scroll bar</li>
+ * <li>scrolling by trackpad, middle mouse button, or other device</li>
+ * <li>by moving the box in the Overview window</li>
+ * <li>programmatically to make a highlighted position visible</li>
+ * </ul>
+ *
+ * @param horizontal
+ * columns to shift right (positive) or left (negative)
+ * @param vertical
+ * rows to shift down (positive) or up (negative)
+ */
+ public void fastPaint(int horizontal, int vertical)
+ {
+ if (fastpainting || gg == null || img == null)
+ {
+ return;
+ }
+ fastpainting = true;
+ fastPaint = true;
+
+ try
+ {
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ ViewportRanges ranges = av.getRanges();
+ int startRes = ranges.getStartRes();
+ int endRes = ranges.getEndRes();
+ int startSeq = ranges.getStartSeq();
+ int endSeq = ranges.getEndSeq();
+ int transX = 0;
+ int transY = 0;
+
+ gg.copyArea(horizontal * charWidth, vertical * charHeight,
+ img.getWidth(), img.getHeight(), -horizontal * charWidth,
+ -vertical * charHeight);
+
+ if (horizontal > 0) // scrollbar pulled right, image to the left
+ {
+ transX = (endRes - startRes - horizontal) * charWidth;
+ startRes = endRes - horizontal;
+ }
+ else if (horizontal < 0)
+ {
+ endRes = startRes - horizontal;
+ }
+
+ if (vertical > 0) // scroll down
+ {
+ startSeq = endSeq - vertical;
+
+ if (startSeq < ranges.getStartSeq())
+ { // ie scrolling too fast, more than a page at a time
+ startSeq = ranges.getStartSeq();
+ }
+ else
+ {
+ transY = img.getHeight() - ((vertical + 1) * charHeight);
+ }
+ }
+ else if (vertical < 0)
+ {
+ endSeq = startSeq - vertical;
+
+ if (endSeq > ranges.getEndSeq())
+ {
+ endSeq = ranges.getEndSeq();
+ }
+ }
+
+ gg.translate(transX, transY);
+ drawPanel(gg, startRes, endRes, startSeq, endSeq, 0);
+ gg.translate(-transX, -transY);
+
+ repaint();
+ } finally
+ {
+ fastpainting = false;
+ }
+ }
+
+ @Override
+ public void paintComponent(Graphics g)
+ {
+ super.paintComponent(g);
+
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ ViewportRanges ranges = av.getRanges();
+
+ int width = getWidth();
+ int height = getHeight();
+
+ width -= (width % charWidth);
+ height -= (height % charHeight);
+
+ // selectImage is the selection group outline image
+ BufferedImage selectImage = drawSelectionGroup(
+ ranges.getStartRes(), ranges.getEndRes(),
+ ranges.getStartSeq(), ranges.getEndSeq());
+
+ if ((img != null) && (fastPaint
+ || (getVisibleRect().width != g.getClipBounds().width)
+ || (getVisibleRect().height != g.getClipBounds().height)))
+ {
+ BufferedImage lcimg = buildLocalImage(selectImage);
+ g.drawImage(lcimg, 0, 0, this);
+ fastPaint = false;
+ }
+ else if ((width > 0) && (height > 0))
+ {
+ // img is a cached version of the last view we drew, if any
+ // if we have no img or the size has changed, make a new one
+ if (img == null || width != img.getWidth()
+ || height != img.getHeight())
+ {
+ img = setupImage();
+ if (img == null)
+ {
+ return;
+ }
+ gg = (Graphics2D) img.getGraphics();
+ gg.setFont(av.getFont());
+ }
+
+ if (av.antiAlias)
+ {
+ gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+ RenderingHints.VALUE_ANTIALIAS_ON);
+ }
+
+ gg.setColor(Color.white);
+ gg.fillRect(0, 0, img.getWidth(), img.getHeight());
+
+ if (av.getWrapAlignment())
+ {
+ drawWrappedPanel(gg, getWidth(), getHeight(), ranges.getStartRes());
+ }
+ else
+ {
+ drawPanel(gg, ranges.getStartRes(), ranges.getEndRes(),
+ ranges.getStartSeq(), ranges.getEndSeq(), 0);
+ }
+
+ // lcimg is a local *copy* of img which we'll draw selectImage on top of
+ BufferedImage lcimg = buildLocalImage(selectImage);
+ g.drawImage(lcimg, 0, 0, this);
+ }
+ }
+
+ /**
+ * Draw an alignment panel for printing
+ *
+ * @param g1
+ * Graphics object to draw with
+ * @param startRes
+ * start residue of print area
+ * @param endRes
+ * end residue of print area
+ * @param startSeq
+ * start sequence of print area
+ * @param endSeq
+ * end sequence of print area
+ */
+ public void drawPanelForPrinting(Graphics g1, int startRes, int endRes,
+ int startSeq, int endSeq)
+ {
+ drawPanel(g1, startRes, endRes, startSeq, endSeq, 0);
+
+ BufferedImage selectImage = drawSelectionGroup(startRes, endRes,
+ startSeq, endSeq);
+ if (selectImage != null)
+ {
+ ((Graphics2D) g1).setComposite(AlphaComposite
+ .getInstance(AlphaComposite.SRC_OVER));
+ g1.drawImage(selectImage, 0, 0, this);
+ }
+ }
+
+ /**
+ * Draw a wrapped alignment panel for printing
+ *
+ * @param g
+ * Graphics object to draw with
+ * @param canvasWidth
+ * width of drawing area
+ * @param canvasHeight
+ * height of drawing area
+ * @param startRes
+ * start residue of print area
+ */
+ public void drawWrappedPanelForPrinting(Graphics g, int canvasWidth,
+ int canvasHeight, int startRes)
+ {
+ SequenceGroup group = av.getSelectionGroup();
+
+ drawWrappedPanel(g, canvasWidth, canvasHeight, startRes);
+
+ if (group != null)
+ {
+ BufferedImage selectImage = null;
+ try
+ {
+ selectImage = new BufferedImage(canvasWidth, canvasHeight,
+ BufferedImage.TYPE_INT_ARGB); // ARGB so alpha compositing works
+ } catch (OutOfMemoryError er)
+ {
+ System.gc();
+ System.err.println("Print image OutOfMemory Error.\n" + er);
+ new OOMWarning("Creating wrapped alignment image for printing", er);
+ }
+ if (selectImage != null)
+ {
+ Graphics2D g2 = selectImage.createGraphics();
+ setupSelectionGroup(g2, selectImage);
+ drawWrappedSelection(g2, group, canvasWidth, canvasHeight,
+ startRes);
+
+ g2.setComposite(
+ AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
+ g.drawImage(selectImage, 0, 0, this);
+ g2.dispose();
+ }
+ }
+ }
+
+ /*
+ * Make a local image by combining the cached image img
+ * with any selection
+ */
+ private BufferedImage buildLocalImage(BufferedImage selectImage)
+ {
+ // clone the cached image
+ BufferedImage lcimg = new BufferedImage(img.getWidth(), img.getHeight(),
+ img.getType());
+ Graphics2D g2d = lcimg.createGraphics();
+ g2d.drawImage(img, 0, 0, null);
+
+ // overlay selection group on lcimg
+ if (selectImage != null)
+ {
+ g2d.setComposite(
+ AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
+ g2d.drawImage(selectImage, 0, 0, this);
+ }
+ g2d.dispose();
+
+ return lcimg;
+ }
+
+ /*
+ * Set up a buffered image of the correct height and size for the sequence canvas
+ */
+ private BufferedImage setupImage()
+ {
+ BufferedImage lcimg = null;
+
+ int charWidth = av.getCharWidth();
+ int charHeight = av.getCharHeight();
+
+ int width = getWidth();
+ int height = getHeight();
+
+ width -= (width % charWidth);
+ height -= (height % charHeight);
+
+ if ((width < 1) || (height < 1))
+ {
+ return null;
+ }
+
+ try
+ {
+ lcimg = new BufferedImage(width, height,
+ BufferedImage.TYPE_INT_ARGB); // ARGB so alpha compositing works
+ } catch (OutOfMemoryError er)
+ {
+ System.gc();
+ System.err.println(
+ "Group image OutOfMemory Redraw Error.\n" + er);
+ new OOMWarning("Creating alignment image for display", er);
+
+ return null;
+ }
+
+ return lcimg;
+ }
+
+ /**
+ * Returns the visible width of the canvas in residues, after allowing for
+ * East or West scales (if shown)
+ *
+ * @param canvasWidth
+ * the width in pixels (possibly including scales)
+ *
+ * @return
+ */
+ public int getWrappedCanvasWidth(int canvasWidth)
+ {
+ int charWidth = av.getCharWidth();
+
+ FontMetrics fm = getFontMetrics(av.getFont());
+
+ int labelWidth = 0;
+
+ if (av.getScaleRightWrapped() || av.getScaleLeftWrapped())
+ {
+ labelWidth = getLabelWidth(fm);
+ }
+
+ labelWidthEast = av.getScaleRightWrapped() ? labelWidth : 0;
+
+ labelWidthWest = av.getScaleLeftWrapped() ? labelWidth : 0;
+
+ return (canvasWidth - labelWidthEast - labelWidthWest) / charWidth;
+ }
+
+ /**
+ * Returns a pixel width sufficient to show the largest sequence coordinate
+ * (end position) in the alignment, calculated as the FontMetrics width of
+ * zeroes "0000000" limited to the number of decimal digits to be shown (3 for
+ * 1-10, 4 for 11-99 etc). One character width is added to this, to allow for
+ * half a character width space on either side.
+ *
+ * @param fm
+ * @return
+ */
+ protected int getLabelWidth(FontMetrics fm)
+ {
+ /*
+ * find the biggest sequence end position we need to show
+ * (note this is not necessarily the sequence length)
+ */
+ int maxWidth = 0;
+ AlignmentI alignment = av.getAlignment();
+ for (int i = 0; i < alignment.getHeight(); i++)
+ {
+ maxWidth = Math.max(maxWidth, alignment.getSequenceAt(i).getEnd());
+ }
+
+ int length = 0;
+ for (int i = maxWidth; i > 0; i /= 10)
+ {
+ length++;
+ }
+
+ return fm.stringWidth(ZEROS.substring(0, length)) + av.getCharWidth();
+ }
+
+ /**
+ * Draws as many widths of a wrapped alignment as can fit in the visible
+ * window
+ *
+ * @param g
+ * @param canvasWidth
+ * available width in pixels
+ * @param canvasHeight
+ * available height in pixels
+ * @param startColumn
+ * the first column (0...) of the alignment to draw
+ */
+ public void drawWrappedPanel(Graphics g, int canvasWidth,
+ int canvasHeight, final int startColumn)
+ {
+ int wrappedWidthInResidues = calculateWrappedGeometry(canvasWidth,
+ canvasHeight);
+
+ av.setWrappedWidth(wrappedWidthInResidues);
+
+ ViewportRanges ranges = av.getRanges();
+ ranges.setViewportStartAndWidth(startColumn, wrappedWidthInResidues);
+
+ /*
+ * draw one width at a time (including any scales or annotation shown),
+ * until we have run out of either alignment or vertical space available
+ */
+ int ypos = wrappedSpaceAboveAlignment;
+ int maxWidth = ranges.getVisibleAlignmentWidth();
+
+ int start = startColumn;
+ int currentWidth = 0;
+ while ((currentWidth < wrappedVisibleWidths) && (start < maxWidth))
+ {
+ int endColumn = Math
+ .min(maxWidth, start + wrappedWidthInResidues - 1);
+ drawWrappedWidth(g, ypos, start, endColumn, canvasHeight);
+ ypos += wrappedRepeatHeightPx;
+ start += wrappedWidthInResidues;
+ currentWidth++;
+ }
+
+ drawWrappedDecorators(g, startColumn);
+ }
+
+ /**
+ * Calculates and saves values needed when rendering a wrapped alignment.
+ * These depend on many factors, including
+ * <ul>
+ * <li>canvas width and height</li>
+ * <li>number of visible sequences, and height of annotations if shown</li>
+ * <li>font and character width</li>
+ * <li>whether scales are shown left, right or above the alignment</li>
+ * </ul>
+ *
+ * @param canvasWidth
+ * @param canvasHeight
+ * @return the number of residue columns in each width
+ */
+ protected int calculateWrappedGeometry(int canvasWidth, int canvasHeight)
+ {
+ int charHeight = av.getCharHeight();
+
+ /*
+ * vertical space in pixels between wrapped widths of alignment
+ * - one character height, or two if scale above is drawn
+ */
+ wrappedSpaceAboveAlignment = charHeight
+ * (av.getScaleAboveWrapped() ? 2 : 1);
+
+ /*
+ * height in pixels of the wrapped widths
+ */
+ wrappedRepeatHeightPx = wrappedSpaceAboveAlignment;
+ // add sequences
+ wrappedRepeatHeightPx += av.getRanges().getViewportHeight()
+ * charHeight;
+ // add annotations panel height if shown
+ wrappedRepeatHeightPx += getAnnotationHeight();
+
+ /*
+ * number of visible widths (the last one may be part height),
+ * ensuring a part height includes at least one sequence
+ */
+ ViewportRanges ranges = av.getRanges();
+ wrappedVisibleWidths = canvasHeight / wrappedRepeatHeightPx;
+ int remainder = canvasHeight % wrappedRepeatHeightPx;
+ if (remainder >= (wrappedSpaceAboveAlignment + charHeight))
+ {
+ wrappedVisibleWidths++;
+ }
+
+ /*
+ * compute width in residues; this also sets East and West label widths
+ */
+ int wrappedWidthInResidues = getWrappedCanvasWidth(canvasWidth);
+
+ /*
+ * limit visibleWidths to not exceed width of alignment
+ */
+ int xMax = ranges.getVisibleAlignmentWidth();
+ int startToEnd = xMax - ranges.getStartRes();
+ int maxWidths = startToEnd / wrappedWidthInResidues;
+ if (startToEnd % wrappedWidthInResidues > 0)
+ {
+ maxWidths++;
+ }
+ wrappedVisibleWidths = Math.min(wrappedVisibleWidths, maxWidths);
+
+ return wrappedWidthInResidues;
+ }
+
+ /**
+ * Draws one width of a wrapped alignment, including sequences and
+ * annnotations, if shown, but not scales or hidden column markers
+ *
+ * @param g
+ * @param ypos
+ * @param startColumn
+ * @param endColumn
+ * @param canvasHeight
+ */
+ protected void drawWrappedWidth(Graphics g, int ypos, int startColumn,
+ int endColumn, int canvasHeight)
+ {
+ ViewportRanges ranges = av.getRanges();
+ int viewportWidth = ranges.getViewportWidth();
+
+ int endx = Math.min(startColumn + viewportWidth - 1, endColumn);
+
+ /*
+ * move right before drawing by the width of the scale left (if any)
+ * plus column offset from left margin (usually zero, but may be non-zero
+ * when fast painting is drawing just a few columns)
+ */
+ int charWidth = av.getCharWidth();
+ int xOffset = labelWidthWest
+ + ((startColumn - ranges.getStartRes()) % viewportWidth)
+ * charWidth;
+ g.translate(xOffset, 0);
+
+ // When printing we have an extra clipped region,
+ // the Printable page which we need to account for here
+ Shape clip = g.getClip();
+
+ if (clip == null)
+ {
+ g.setClip(0, 0, viewportWidth * charWidth, canvasHeight);
+ }
+ else
+ {
+ g.setClip(0, (int) clip.getBounds().getY(),
+ viewportWidth * charWidth, (int) clip.getBounds().getHeight());
+ }
+
+ /*
+ * white fill the region to be drawn (so incremental fast paint doesn't
+ * scribble over an existing image)
+ */
+ gg.setColor(Color.white);
+ gg.fillRect(0, ypos, (endx - startColumn + 1) * charWidth,
+ wrappedRepeatHeightPx);
+
+ drawPanel(g, startColumn, endx, 0, av.getAlignment().getHeight() - 1,
+ ypos);
+
+ int cHeight = av.getAlignment().getHeight() * av.getCharHeight();
+
+ if (av.isShowAnnotation())
+ {
+ g.translate(0, cHeight + ypos + 3);
+ if (annotations == null)
+ {
+ annotations = new AnnotationPanel(av);
+ }
+
+ annotations.renderer.drawComponent(annotations, av, g, -1,
+ startColumn, endx + 1);
+ g.translate(0, -cHeight - ypos - 3);
+ }
+ g.setClip(clip);
+ g.translate(-xOffset, 0);
+ }
+
+ /**
+ * Draws scales left, right and above (if shown), and any hidden column
+ * markers, on all widths of the wrapped alignment
+ *
+ * @param g
+ * @param startColumn
+ */
+ protected void drawWrappedDecorators(Graphics g, final int startColumn)
+ {
+ int charWidth = av.getCharWidth();
+
+ g.setFont(av.getFont());
+ g.setColor(Color.black);
+
+ int ypos = wrappedSpaceAboveAlignment;
+ ViewportRanges ranges = av.getRanges();
+ int viewportWidth = ranges.getViewportWidth();
+ int maxWidth = ranges.getVisibleAlignmentWidth();
+ int widthsDrawn = 0;
+ int startCol = startColumn;
+
+ while (widthsDrawn < wrappedVisibleWidths)
+ {
+ int endColumn = Math.min(maxWidth, startCol + viewportWidth - 1);
+
+ if (av.getScaleLeftWrapped())
+ {
+ drawVerticalScale(g, startCol, endColumn - 1, ypos, true);
+ }
+
+ if (av.getScaleRightWrapped())
+ {
+ int x = labelWidthWest + viewportWidth * charWidth;
+ g.translate(x, 0);
+ drawVerticalScale(g, startCol, endColumn, ypos, false);
+ g.translate(-x, 0);
+ }
+
+ /*
+ * white fill region of scale above and hidden column markers
+ * (to support incremental fast paint of image)
+ */
+ g.translate(labelWidthWest, 0);
+ g.setColor(Color.white);
+ g.fillRect(0, ypos - wrappedSpaceAboveAlignment, viewportWidth
+ * charWidth + labelWidthWest, wrappedSpaceAboveAlignment);
+ g.setColor(Color.black);
+ g.translate(-labelWidthWest, 0);
+
+ g.translate(labelWidthWest, 0);
+
+ if (av.getScaleAboveWrapped())
+ {
+ drawNorthScale(g, startCol, endColumn, ypos);
+ }
+
+ if (av.hasHiddenColumns() && av.getShowHiddenMarkers())
+ {
+ drawHiddenColumnMarkers(g, ypos, startCol, endColumn);
+ }
+
+ g.translate(-labelWidthWest, 0);
+
+ ypos += wrappedRepeatHeightPx;
+ startCol += viewportWidth;
+ widthsDrawn++;
+ }
+ }
+
+ /**
+ * Draws markers (triangles) above hidden column positions between startColumn
+ * and endColumn.
+ *
+ * @param g
+ * @param ypos
+ * @param startColumn
+ * @param endColumn
+ */
+ protected void drawHiddenColumnMarkers(Graphics g, int ypos,
+ int startColumn, int endColumn)
+ {
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ g.setColor(Color.blue);
+ HiddenColumns hidden = av.getAlignment().getHiddenColumns();
+ List<Integer> positions = hidden.findHiddenRegionPositions();
+ for (int pos : positions)
+ {
+ int res = pos - startColumn;
+
+ if (res < 0 || res > endColumn - startColumn + 1)
+ {
+ continue;
+ }
+
+ /*
+ * draw a downward-pointing triangle at the hidden columns location
+ * (before the following visible column)
+ */
+ int xMiddle = res * charWidth;
+ int[] xPoints = new int[] { xMiddle - charHeight / 4,
+ xMiddle + charHeight / 4, xMiddle };
+ int yTop = ypos - (charHeight / 2);
+ int[] yPoints = new int[] { yTop, yTop, yTop + 8 };
+ g.fillPolygon(xPoints, yPoints, 3);
+ }
+ }
+
+ /*
+ * Draw a selection group over a wrapped alignment
+ */
+ private void drawWrappedSelection(Graphics2D g, SequenceGroup group,
+ int canvasWidth,
+ int canvasHeight, int startRes)
+ {
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ // height gap above each panel
+ int hgap = charHeight;
+ if (av.getScaleAboveWrapped())
+ {
+ hgap += charHeight;
+ }
+
+ int cWidth = (canvasWidth - labelWidthEast - labelWidthWest)
+ / charWidth;
+ int cHeight = av.getAlignment().getHeight() * charHeight;
+
+ int startx = startRes;
+ int endx;
+ int ypos = hgap; // vertical offset
+ int maxwidth = av.getAlignment().getWidth();
+
+ if (av.hasHiddenColumns())
+ {
+ maxwidth = av.getAlignment().getHiddenColumns()
+ .findColumnPosition(maxwidth);
+ }
+
+ // chop the wrapped alignment extent up into panel-sized blocks and treat
+ // each block as if it were a block from an unwrapped alignment
+ while ((ypos <= canvasHeight) && (startx < maxwidth))
+ {
+ // set end value to be start + width, or maxwidth, whichever is smaller
+ endx = startx + cWidth - 1;
+
+ if (endx > maxwidth)
+ {
+ endx = maxwidth;
+ }
+
+ g.translate(labelWidthWest, 0);
+
+ drawUnwrappedSelection(g, group, startx, endx, 0,
+ av.getAlignment().getHeight() - 1,
+ ypos);
+
+ g.translate(-labelWidthWest, 0);
+
+ // update vertical offset
+ ypos += cHeight + getAnnotationHeight() + hgap;
+
+ // update horizontal offset
+ startx += cWidth;
+ }
+ }
+
+ int getAnnotationHeight()
+ {
+ if (!av.isShowAnnotation())
+ {
+ return 0;
+ }
+
+ if (annotations == null)
+ {
+ annotations = new AnnotationPanel(av);
+ }
+
+ return annotations.adjustPanelHeight();
+ }
+
+ /**
+ * Draws the visible region of the alignment on the graphics context. If there
+ * are hidden column markers in the visible region, then each sub-region
+ * between the markers is drawn separately, followed by the hidden column
+ * marker.
+ *
+ * @param g1
+ * the graphics context, positioned at the first residue to be drawn
+ * @param startRes
+ * offset of the first column to draw (0..)
+ * @param endRes
+ * offset of the last column to draw (0..)
+ * @param startSeq
+ * offset of the first sequence to draw (0..)
+ * @param endSeq
+ * offset of the last sequence to draw (0..)
+ * @param yOffset
+ * vertical offset at which to draw (for wrapped alignments)
+ */
+ public void drawPanel(Graphics g1, final int startRes, final int endRes,
+ final int startSeq, final int endSeq, final int yOffset)
+ {
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ if (!av.hasHiddenColumns())
+ {
+ draw(g1, startRes, endRes, startSeq, endSeq, yOffset);
+ }
+ else
+ {
+ int screenY = 0;
+ final int screenYMax = endRes - startRes;
+ int blockStart = startRes;
+ int blockEnd = endRes;
+
+ for (int[] region : av.getAlignment().getHiddenColumns()
+ .getHiddenColumnsCopy())
+ {
+ int hideStart = region[0];
+ int hideEnd = region[1];
+
+ if (hideStart <= blockStart)
+ {
+ blockStart += (hideEnd - hideStart) + 1;
+ continue;
+ }
+
+ /*
+ * draw up to just before the next hidden region, or the end of
+ * the visible region, whichever comes first
+ */
+ blockEnd = Math.min(hideStart - 1, blockStart + screenYMax
+ - screenY);
+
+ g1.translate(screenY * charWidth, 0);
+
+ draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset);
+
+ /*
+ * draw the downline of the hidden column marker (ScalePanel draws the
+ * triangle on top) if we reached it
+ */
+ if (av.getShowHiddenMarkers() && blockEnd == hideStart - 1)
+ {
+ g1.setColor(Color.blue);
+
+ g1.drawLine((blockEnd - blockStart + 1) * charWidth - 1,
+ 0 + yOffset, (blockEnd - blockStart + 1) * charWidth - 1,
+ (endSeq - startSeq + 1) * charHeight + yOffset);
+ }
+
+ g1.translate(-screenY * charWidth, 0);
+ screenY += blockEnd - blockStart + 1;
+ blockStart = hideEnd + 1;
+
+ if (screenY > screenYMax)
+ {
+ // already rendered last block
+ return;
+ }
+ }
+
+ if (screenY <= screenYMax)
+ {
+ // remaining visible region to render
+ blockEnd = blockStart + screenYMax - screenY;
+ g1.translate(screenY * charWidth, 0);
+ draw(g1, blockStart, blockEnd, startSeq, endSeq, yOffset);
+
+ g1.translate(-screenY * charWidth, 0);
+ }
+ }
+
+ }
+
+ /**
+ * Draws a region of the visible alignment
+ *
+ * @param g1
+ * @param startRes
+ * offset of the first column in the visible region (0..)
+ * @param endRes
+ * offset of the last column in the visible region (0..)
+ * @param startSeq
+ * offset of the first sequence in the visible region (0..)
+ * @param endSeq
+ * offset of the last sequence in the visible region (0..)
+ * @param yOffset
+ * vertical offset at which to draw (for wrapped alignments)
+ */
+ private void draw(Graphics g, int startRes, int endRes, int startSeq,
+ int endSeq, int offset)
+ {
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ g.setFont(av.getFont());
+ seqRdr.prepare(g, av.isRenderGaps());
+
+ SequenceI nextSeq;
+
+ // / First draw the sequences
+ // ///////////////////////////
+ for (int i = startSeq; i <= endSeq; i++)
+ {
+ nextSeq = av.getAlignment().getSequenceAt(i);
+ if (nextSeq == null)
+ {
+ // occasionally, a race condition occurs such that the alignment row is
+ // empty
+ continue;
+ }
+ seqRdr.drawSequence(nextSeq, av.getAlignment().findAllGroups(nextSeq),
+ startRes, endRes, offset + ((i - startSeq) * charHeight));
+
+ if (av.isShowSequenceFeatures())
+ {
+ fr.drawSequence(g, nextSeq, startRes, endRes,
+ offset + ((i - startSeq) * charHeight), false);
+ }
+
+ /*
+ * highlight search Results once sequence has been drawn
+ */
+ if (av.hasSearchResults())
+ {
+ SearchResultsI searchResults = av.getSearchResults();
+ int[] visibleResults = searchResults.getResults(nextSeq,
+ startRes, endRes);
+ if (visibleResults != null)
+ {
+ for (int r = 0; r < visibleResults.length; r += 2)
+ {
+ seqRdr.drawHighlightedText(nextSeq, visibleResults[r],
+ visibleResults[r + 1], (visibleResults[r] - startRes)
+ * charWidth, offset
+ + ((i - startSeq) * charHeight));
+ }
+ }
+ }
+
+ if (av.cursorMode && cursorY == i && cursorX >= startRes
+ && cursorX <= endRes)
+ {
+ seqRdr.drawCursor(nextSeq, cursorX, (cursorX - startRes) * charWidth,
+ offset + ((i - startSeq) * charHeight));
+ }
+ }
+
+ if (av.getSelectionGroup() != null
+ || av.getAlignment().getGroups().size() > 0)
+ {
+ drawGroupsBoundaries(g, startRes, endRes, startSeq, endSeq, offset);
+ }
+
+ }
+
+ void drawGroupsBoundaries(Graphics g1, int startRes, int endRes,
+ int startSeq, int endSeq, int offset)
+ {
+ Graphics2D g = (Graphics2D) g1;
+ //
+ // ///////////////////////////////////
+ // Now outline any areas if necessary
+ // ///////////////////////////////////
+
+ SequenceGroup group = null;
+ int groupIndex = -1;
+
+ if (av.getAlignment().getGroups().size() > 0)
+ {
+ group = av.getAlignment().getGroups().get(0);
+ groupIndex = 0;
+ }
+
+ if (group != null)
+ {
+ g.setStroke(new BasicStroke());
+ g.setColor(group.getOutlineColour());
+
+ do
+ {
+ drawPartialGroupOutline(g, group, startRes, endRes, startSeq,
+ endSeq, offset);
+
+ groupIndex++;
+
+ g.setStroke(new BasicStroke());
+
+ if (groupIndex >= av.getAlignment().getGroups().size())
+ {
+ break;
+ }
+
+ group = av.getAlignment().getGroups().get(groupIndex);
+
+ } while (groupIndex < av.getAlignment().getGroups().size());
+
+ }
+
+ }
+
+
+ /*
+ * Draw the selection group as a separate image and overlay
+ */
+ private BufferedImage drawSelectionGroup(int startRes, int endRes,
+ int startSeq, int endSeq)
+ {
+ // get a new image of the correct size
+ BufferedImage selectionImage = setupImage();
+
+ if (selectionImage == null)
+ {
+ return null;
+ }
+
+ SequenceGroup group = av.getSelectionGroup();
+ if (group == null)
+ {
+ // nothing to draw
+ return null;
+ }
+
+ // set up drawing colour
+ Graphics2D g = (Graphics2D) selectionImage.getGraphics();
+
+ setupSelectionGroup(g, selectionImage);
+
+ if (!av.getWrapAlignment())
+ {
+ drawUnwrappedSelection(g, group, startRes, endRes, startSeq, endSeq,
+ 0);
+ }
+ else
+ {
+ drawWrappedSelection(g, group, getWidth(), getHeight(),
+ av.getRanges().getStartRes());
+ }
+
+ g.dispose();
+ return selectionImage;
+ }
+
+ /*
+ * Set up graphics for selection group
+ */
+ private void setupSelectionGroup(Graphics2D g,
+ BufferedImage selectionImage)
+ {
+ // set background to transparent
+ g.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR, 0.0f));
+ g.fillRect(0, 0, selectionImage.getWidth(), selectionImage.getHeight());
+
+ // set up foreground to draw red dashed line
+ g.setComposite(AlphaComposite.Src);
+ g.setStroke(new BasicStroke(1, BasicStroke.CAP_BUTT,
+ BasicStroke.JOIN_ROUND, 3f, new float[]
+ { 5f, 3f }, 0f));
+ g.setColor(Color.RED);
+ }
+
+ /*
+ * Draw a selection group over an unwrapped alignment
+ * @param g graphics object to draw with
+ * @param group selection group
+ * @param startRes start residue of area to draw
+ * @param endRes end residue of area to draw
+ * @param startSeq start sequence of area to draw
+ * @param endSeq end sequence of area to draw
+ * @param offset vertical offset (used when called from wrapped alignment code)
+ */
+ private void drawUnwrappedSelection(Graphics2D g, SequenceGroup group,
+ int startRes, int endRes, int startSeq, int endSeq, int offset)
+ {
+ int charWidth = av.getCharWidth();
+
+ if (!av.hasHiddenColumns())
+ {
+ drawPartialGroupOutline(g, group, startRes, endRes, startSeq, endSeq,
+ offset);
+ }
+ else
+ {
+ // package into blocks of visible columns
+ int screenY = 0;
+ int blockStart = startRes;
+ int blockEnd = endRes;
+
+ for (int[] region : av.getAlignment().getHiddenColumns()
+ .getHiddenColumnsCopy())
+ {
+ int hideStart = region[0];
+ int hideEnd = region[1];
+
+ if (hideStart <= blockStart)
+ {
+ blockStart += (hideEnd - hideStart) + 1;
+ continue;
+ }
+
+ blockEnd = hideStart - 1;
+
+ g.translate(screenY * charWidth, 0);
+ drawPartialGroupOutline(g, group,
+ blockStart, blockEnd, startSeq, endSeq, offset);
+
+ g.translate(-screenY * charWidth, 0);
+ screenY += blockEnd - blockStart + 1;
+ blockStart = hideEnd + 1;
+
+ if (screenY > (endRes - startRes))
+ {
+ // already rendered last block
+ break;
+ }
+ }
+
+ if (screenY <= (endRes - startRes))
+ {
+ // remaining visible region to render
+ blockEnd = blockStart + (endRes - startRes) - screenY;
+ g.translate(screenY * charWidth, 0);
+ drawPartialGroupOutline(g, group,
+ blockStart, blockEnd, startSeq, endSeq, offset);
+
+ g.translate(-screenY * charWidth, 0);
+ }
+ }
+ }
+
+ /*
+ * Draw the selection group as a separate image and overlay
+ */
+ private void drawPartialGroupOutline(Graphics2D g, SequenceGroup group,
+ int startRes, int endRes, int startSeq, int endSeq,
+ int verticalOffset)
+ {
+ int charHeight = av.getCharHeight();
+ int charWidth = av.getCharWidth();
+
+ int visWidth = (endRes - startRes + 1) * charWidth;
+
+ int oldY = -1;
+ int i = 0;
+ boolean inGroup = false;
+ int top = -1;
+ int bottom = -1;
+
+ int sx = -1;
+ int sy = -1;
+ int xwidth = -1;
+
+ for (i = startSeq; i <= endSeq; i++)
+ {
+ // position of start residue of group relative to startRes, in pixels
+ sx = (group.getStartRes() - startRes) * charWidth;
+
+ // width of group in pixels
+ xwidth = (((group.getEndRes() + 1) - group.getStartRes()) * charWidth)
+ - 1;
+
+ sy = verticalOffset + (i - startSeq) * charHeight;
+
+ if (sx + xwidth < 0 || sx > visWidth)
+ {
+ continue;
+ }
+
+ if ((sx <= (endRes - startRes) * charWidth)
+ && group.getSequences(null)
+ .contains(av.getAlignment().getSequenceAt(i)))
+ {
+ if ((bottom == -1) && !group.getSequences(null)
+ .contains(av.getAlignment().getSequenceAt(i + 1)))
+ {
+ bottom = sy + charHeight;
+ }
+
+ if (!inGroup)
+ {
+ if (((top == -1) && (i == 0)) || !group.getSequences(null)
+ .contains(av.getAlignment().getSequenceAt(i - 1)))
+ {
+ top = sy;
+ }
+
+ oldY = sy;
+ inGroup = true;
+ }
+ }
+ else
+ {
+ if (inGroup)
+ {
+ // if start position is visible, draw vertical line to left of
+ // group
+ if (sx >= 0 && sx < visWidth)
+ {
+ g.drawLine(sx, oldY, sx, sy);
+ }
+
+ // if end position is visible, draw vertical line to right of
+ // group
+ if (sx + xwidth < visWidth)
+ {
+ g.drawLine(sx + xwidth, oldY, sx + xwidth, sy);
+ }
+
+ if (sx < 0)
+ {
+ xwidth += sx;
+ sx = 0;
+ }
+
+ // don't let width extend beyond current block, or group extent
+ // fixes JAL-2672
+ if (sx + xwidth >= (endRes - startRes + 1) * charWidth)
+ {
+ xwidth = (endRes - startRes + 1) * charWidth - sx;
+ }
+
+ // draw horizontal line at top of group
+ if (top != -1)
+ {
+ g.drawLine(sx, top, sx + xwidth, top);
+ top = -1;
+ }
+
+ // draw horizontal line at bottom of group
+ if (bottom != -1)
+ {
+ g.drawLine(sx, bottom, sx + xwidth, bottom);
+ bottom = -1;
+ }
+
+ inGroup = false;
+ }
+ }
+ }
+
+ if (inGroup)
+ {
+ sy = verticalOffset + ((i - startSeq) * charHeight);
+ if (sx >= 0 && sx < visWidth)
+ {
+ g.drawLine(sx, oldY, sx, sy);
+ }
+
+ if (sx + xwidth < visWidth)
+ {
+ g.drawLine(sx + xwidth, oldY, sx + xwidth, sy);
+ }
+
+ if (sx < 0)
+ {
+ xwidth += sx;
+ sx = 0;
+ }
+
+ if (sx + xwidth > visWidth)
+ {
+ xwidth = visWidth;
+ }
+ else if (sx + xwidth >= (endRes - startRes + 1) * charWidth)
+ {
+ xwidth = (endRes - startRes + 1) * charWidth;
+ }
+
+ if (top != -1)
+ {
+ g.drawLine(sx, top, sx + xwidth, top);
+ top = -1;
+ }
+
+ if (bottom != -1)
+ {
+ g.drawLine(sx, bottom - 1, sx + xwidth, bottom - 1);
+ bottom = -1;
+ }
+
+ inGroup = false;
+ }
+ }
+
+ /**
+ * Highlights search results in the visible region by rendering as white text
+ * on a black background. Any previous highlighting is removed. Answers true
+ * if any highlight was left on the visible alignment (so status bar should be
+ * set to match), else false.
+ * <p>
+ * Currently fastPaint is not implemented for wrapped alignments. If a wrapped
+ * alignment had to be scrolled to show the highlighted region, then it should
+ * be fully redrawn, otherwise a fast paint can be performed. This argument
+ * could be removed if fast paint of scrolled wrapped alignment is coded in
+ * future (JAL-2609).
+ *
+ * @param results
+ * @param noFastPaint
+ * @return
+ */
+ public boolean highlightSearchResults(SearchResultsI results,
+ boolean noFastPaint)
+ {
+ if (fastpainting)
+ {
+ return false;
+ }
+ boolean wrapped = av.getWrapAlignment();
+ try
+ {
+ fastPaint = !noFastPaint;
+ fastpainting = fastPaint;
+
+ /*
+ * to avoid redrawing the whole visible region, we instead
+ * redraw just the minimal regions to remove previous highlights
+ * and add new ones
+ */
+ SearchResultsI previous = av.getSearchResults();
+ av.setSearchResults(results);
+ boolean redrawn = false;
+ boolean drawn = false;
+ if (wrapped)
+ {
+ redrawn = drawMappedPositionsWrapped(previous);
+ drawn = drawMappedPositionsWrapped(results);
+ redrawn |= drawn;
+ }
+ else
+ {
+ redrawn = drawMappedPositions(previous);
+ drawn = drawMappedPositions(results);
+ redrawn |= drawn;
+ }
+
+ /*
+ * if highlights were either removed or added, repaint
+ */
+ if (redrawn)
+ {
+ repaint();
+ }
+
+ /*
+ * return true only if highlights were added
+ */
+ return drawn;
+
+ } finally
+ {
+ fastpainting = false;
+ }
+ }
+
+ /**
+ * Redraws the minimal rectangle in the visible region (if any) that includes
+ * mapped positions of the given search results. Whether or not positions are
+ * highlighted depends on the SearchResults set on the Viewport. This allows
+ * this method to be called to either clear or set highlighting. Answers true
+ * if any positions were drawn (in which case a repaint is still required),
+ * else false.
+ *
+ * @param results
+ * @return
+ */
+ protected boolean drawMappedPositions(SearchResultsI results)
+ {
+ if (results == null)
+ {
+ return false;
+ }
+
+ /*
+ * calculate the minimal rectangle to redraw that
+ * includes both new and existing search results
+ */
+ int firstSeq = Integer.MAX_VALUE;
+ int lastSeq = -1;
+ int firstCol = Integer.MAX_VALUE;
+ int lastCol = -1;
+ boolean matchFound = false;
+
+ ViewportRanges ranges = av.getRanges();
+ int firstVisibleColumn = ranges.getStartRes();
+ int lastVisibleColumn = ranges.getEndRes();
+ AlignmentI alignment = av.getAlignment();
+ if (av.hasHiddenColumns())
+ {
+ firstVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(firstVisibleColumn);
+ lastVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(lastVisibleColumn);
+ }
+
+ for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
+ .getEndSeq(); seqNo++)
+ {
+ SequenceI seq = alignment.getSequenceAt(seqNo);
+
+ int[] visibleResults = results.getResults(seq, firstVisibleColumn,
+ lastVisibleColumn);
+ if (visibleResults != null)
+ {
+ for (int i = 0; i < visibleResults.length - 1; i += 2)
+ {
+ int firstMatchedColumn = visibleResults[i];
+ int lastMatchedColumn = visibleResults[i + 1];
+ if (firstMatchedColumn <= lastVisibleColumn
+ && lastMatchedColumn >= firstVisibleColumn)
+ {
+ /*
+ * found a search results match in the visible region -
+ * remember the first and last sequence matched, and the first
+ * and last visible columns in the matched positions
+ */
+ matchFound = true;
+ firstSeq = Math.min(firstSeq, seqNo);
+ lastSeq = Math.max(lastSeq, seqNo);
+ firstMatchedColumn = Math.max(firstMatchedColumn,
+ firstVisibleColumn);
+ lastMatchedColumn = Math.min(lastMatchedColumn,
+ lastVisibleColumn);
+ firstCol = Math.min(firstCol, firstMatchedColumn);
+ lastCol = Math.max(lastCol, lastMatchedColumn);
+ }
+ }
+ }
+ }
+
+ if (matchFound)
+ {
+ if (av.hasHiddenColumns())
+ {
+ firstCol = alignment.getHiddenColumns()
+ .findColumnPosition(firstCol);
+ lastCol = alignment.getHiddenColumns().findColumnPosition(lastCol);
+ }
+ int transX = (firstCol - ranges.getStartRes()) * av.getCharWidth();
+ int transY = (firstSeq - ranges.getStartSeq()) * av.getCharHeight();
+ gg.translate(transX, transY);
+ drawPanel(gg, firstCol, lastCol, firstSeq, lastSeq, 0);
+ gg.translate(-transX, -transY);
+ }
+
+ return matchFound;
+ }
+
+ @Override
+ public void propertyChange(PropertyChangeEvent evt)
+ {
+ String eventName = evt.getPropertyName();
+
+ if (eventName.equals(SequenceGroup.SEQ_GROUP_CHANGED))
+ {
+ fastPaint = true;
+ repaint();
+ return;
+ }
+
+ int scrollX = 0;
+ if (eventName.equals(ViewportRanges.STARTRES)
+ || eventName.equals(ViewportRanges.STARTRESANDSEQ))
+ {
+ // Make sure we're not trying to draw a panel
+ // larger than the visible window
+ if (eventName.equals(ViewportRanges.STARTRES))
+ {
+ scrollX = (int) evt.getNewValue() - (int) evt.getOldValue();
+ }
+ else
+ {
+ scrollX = ((int[]) evt.getNewValue())[0]
+ - ((int[]) evt.getOldValue())[0];
+ }
+ ViewportRanges vpRanges = av.getRanges();
+
+ int range = vpRanges.getEndRes() - vpRanges.getStartRes();
+ if (scrollX > range)
+ {
+ scrollX = range;
+ }
+ else if (scrollX < -range)
+ {
+ scrollX = -range;
+ }
+
+ // Both scrolling and resizing change viewport ranges: scrolling changes
+ // both start and end points, but resize only changes end values.
+ // Here we only want to fastpaint on a scroll, with resize using a normal
+ // paint, so scroll events are identified as changes to the horizontal or
+ // vertical start value.
+ if (eventName.equals(ViewportRanges.STARTRES))
+ {
+ if (av.getWrapAlignment())
+ {
+ fastPaintWrapped(scrollX);
+ }
+ else
+ {
+ fastPaint(scrollX, 0);
+ }
+ }
+ else if (eventName.equals(ViewportRanges.STARTSEQ))
+ {
+ // scroll
+ fastPaint(0, (int) evt.getNewValue() - (int) evt.getOldValue());
+ }
+ else if (eventName.equals(ViewportRanges.STARTRESANDSEQ))
+ {
+ if (av.getWrapAlignment())
+ {
+ fastPaintWrapped(scrollX);
+ }
+ else
+ {
+ fastPaint(scrollX, 0);
+ }
+ // bizarrely, we only need to scroll on the x value here as fastpaint
+ // copies the full height of the image anyway. Passing in the y value
+ // causes nasty repaint artefacts, which only disappear on a full
+ // repaint.
+ }
+ }
+ }
+
+ /**
+ * Does a minimal update of the image for a scroll movement. This method
+ * handles scroll movements of up to one width of the wrapped alignment (one
+ * click in the vertical scrollbar). Larger movements (for example after a
+ * scroll to highlight a mapped position) trigger a full redraw instead.
+ *
+ * @param scrollX
+ * number of positions scrolled (right if positive, left if negative)
+ */
+ protected void fastPaintWrapped(int scrollX)
+ {
+ ViewportRanges ranges = av.getRanges();
+
+ if (Math.abs(scrollX) > ranges.getViewportWidth())
+ {
+ /*
+ * shift of more than one view width is
+ * overcomplicated to handle in this method
+ */
+ fastPaint = false;
+ repaint();
+ return;
+ }
+
+ if (fastpainting || gg == null)
+ {
+ return;
+ }
+
+ fastPaint = true;
+ fastpainting = true;
+
+ try
+ {
+ calculateWrappedGeometry(getWidth(), getHeight());
+
+ /*
+ * relocate the regions of the alignment that are still visible
+ */
+ shiftWrappedAlignment(-scrollX);
+
+ /*
+ * add new columns (sequence, annotation)
+ * - at top left if scrollX < 0
+ * - at right of last two widths if scrollX > 0
+ */
+ if (scrollX < 0)
+ {
+ int startRes = ranges.getStartRes();
+ drawWrappedWidth(gg, wrappedSpaceAboveAlignment, startRes, startRes
+ - scrollX - 1, getHeight());
+ }
+ else
+ {
+ fastPaintWrappedAddRight(scrollX);
+ }
+
+ /*
+ * draw all scales (if shown) and hidden column markers
+ */
+ drawWrappedDecorators(gg, ranges.getStartRes());
+
+ repaint();
+ } finally
+ {
+ fastpainting = false;
+ }
+ }
+
+ /**
+ * Draws the specified number of columns at the 'end' (bottom right) of a
+ * wrapped alignment view, including sequences and annotations if shown, but
+ * not scales. Also draws the same number of columns at the right hand end of
+ * the second last width shown, if the last width is not full height (so
+ * cannot simply be copied from the graphics image).
+ *
+ * @param columns
+ */
+ protected void fastPaintWrappedAddRight(int columns)
+ {
+ if (columns == 0)
+ {
+ return;
+ }
+
+ ViewportRanges ranges = av.getRanges();
+ int viewportWidth = ranges.getViewportWidth();
+ int charWidth = av.getCharWidth();
+
+ /**
+ * draw full height alignment in the second last row, last columns, if the
+ * last row was not full height
+ */
+ int visibleWidths = wrappedVisibleWidths;
+ int canvasHeight = getHeight();
+ boolean lastWidthPartHeight = (wrappedVisibleWidths * wrappedRepeatHeightPx) > canvasHeight;
+
+ if (lastWidthPartHeight)
+ {
+ int widthsAbove = Math.max(0, visibleWidths - 2);
+ int ypos = wrappedRepeatHeightPx * widthsAbove
+ + wrappedSpaceAboveAlignment;
+ int endRes = ranges.getEndRes();
+ endRes += widthsAbove * viewportWidth;
+ int startRes = endRes - columns;
+ int xOffset = ((startRes - ranges.getStartRes()) % viewportWidth)
+ * charWidth;
+
+ /*
+ * white fill first to erase annotations
+ */
+ gg.translate(xOffset, 0);
+ gg.setColor(Color.white);
+ gg.fillRect(labelWidthWest, ypos,
+ (endRes - startRes + 1) * charWidth, wrappedRepeatHeightPx);
+ gg.translate(-xOffset, 0);
+
+ drawWrappedWidth(gg, ypos, startRes, endRes, canvasHeight);
+ }
+
+ /*
+ * draw newly visible columns in last wrapped width (none if we
+ * have reached the end of the alignment)
+ * y-offset for drawing last width is height of widths above,
+ * plus one gap row
+ */
+ int widthsAbove = visibleWidths - 1;
+ int ypos = wrappedRepeatHeightPx * widthsAbove
+ + wrappedSpaceAboveAlignment;
+ int endRes = ranges.getEndRes();
+ endRes += widthsAbove * viewportWidth;
+ int startRes = endRes - columns + 1;
+
+ /*
+ * white fill first to erase annotations
+ */
+ int xOffset = ((startRes - ranges.getStartRes()) % viewportWidth)
+ * charWidth;
+ gg.translate(xOffset, 0);
+ gg.setColor(Color.white);
+ int width = viewportWidth * charWidth - xOffset;
+ gg.fillRect(labelWidthWest, ypos, width, wrappedRepeatHeightPx);
+ gg.translate(-xOffset, 0);
+
+ gg.setFont(av.getFont());
+ gg.setColor(Color.black);
+
+ if (startRes < ranges.getVisibleAlignmentWidth())
+ {
+ drawWrappedWidth(gg, ypos, startRes, endRes, canvasHeight);
+ }
+
+ /*
+ * and finally, white fill any space below the visible alignment
+ */
+ int heightBelow = canvasHeight - visibleWidths * wrappedRepeatHeightPx;
+ if (heightBelow > 0)
+ {
+ gg.setColor(Color.white);
+ gg.fillRect(0, canvasHeight - heightBelow, getWidth(), heightBelow);
+ }
+ }
+
+ /**
+ * Shifts the visible alignment by the specified number of columns - left if
+ * negative, right if positive. Copies and moves sequences and annotations (if
+ * shown). Scales, hidden column markers and any newly visible columns must be
+ * drawn separately.
+ *
+ * @param positions
+ */
+ protected void shiftWrappedAlignment(int positions)
+ {
+ if (positions == 0)
+ {
+ return;
+ }
+ int charWidth = av.getCharWidth();
+
+ int canvasHeight = getHeight();
+ ViewportRanges ranges = av.getRanges();
+ int viewportWidth = ranges.getViewportWidth();
+ int widthToCopy = (ranges.getViewportWidth() - Math.abs(positions))
+ * charWidth;
+ int heightToCopy = wrappedRepeatHeightPx - wrappedSpaceAboveAlignment;
+ int xMax = ranges.getVisibleAlignmentWidth();
+
+ if (positions > 0)
+ {
+ /*
+ * shift right (after scroll left)
+ * for each wrapped width (starting with the last), copy (width-positions)
+ * columns from the left margin to the right margin, and copy positions
+ * columns from the right margin of the row above (if any) to the
+ * left margin of the current row
+ */
+
+ /*
+ * get y-offset of last wrapped width, first row of sequences
+ */
+ int y = canvasHeight / wrappedRepeatHeightPx * wrappedRepeatHeightPx;
+ y += wrappedSpaceAboveAlignment;
+ int copyFromLeftStart = labelWidthWest;
+ int copyFromRightStart = copyFromLeftStart + widthToCopy;
+
+ while (y >= 0)
+ {
+ gg.copyArea(copyFromLeftStart, y, widthToCopy, heightToCopy,
+ positions * charWidth, 0);
+ if (y > 0)
+ {
+ gg.copyArea(copyFromRightStart, y - wrappedRepeatHeightPx,
+ positions * charWidth, heightToCopy, -widthToCopy,
+ wrappedRepeatHeightPx);
+ }
+
+ y -= wrappedRepeatHeightPx;
+ }
+ }
+ else
+ {
+ /*
+ * shift left (after scroll right)
+ * for each wrapped width (starting with the first), copy (width-positions)
+ * columns from the right margin to the left margin, and copy positions
+ * columns from the left margin of the row below (if any) to the
+ * right margin of the current row
+ */
+ int xpos = av.getRanges().getStartRes();
+ int y = wrappedSpaceAboveAlignment;
+ int copyFromRightStart = labelWidthWest - positions * charWidth;
+
+ while (y < canvasHeight)
+ {
+ gg.copyArea(copyFromRightStart, y, widthToCopy, heightToCopy,
+ positions * charWidth, 0);
+ if (y + wrappedRepeatHeightPx < canvasHeight - wrappedRepeatHeightPx
+ && (xpos + viewportWidth <= xMax))
+ {
+ gg.copyArea(labelWidthWest, y + wrappedRepeatHeightPx, -positions
+ * charWidth, heightToCopy, widthToCopy,
+ -wrappedRepeatHeightPx);
+ }
+
+ y += wrappedRepeatHeightPx;
+ xpos += viewportWidth;
+ }
+ }
+ }
+
+
+ /**
+ * Redraws any positions in the search results in the visible region of a
+ * wrapped alignment. Any highlights are drawn depending on the search results
+ * set on the Viewport, not the <code>results</code> argument. This allows
+ * this method to be called either to clear highlights (passing the previous
+ * search results), or to draw new highlights.
+ *
+ * @param results
+ * @return
+ */
+ protected boolean drawMappedPositionsWrapped(SearchResultsI results)
+ {
+ if (results == null)
+ {
+ return false;
+ }
+ int charHeight = av.getCharHeight();
+
+ boolean matchFound = false;
+
+ calculateWrappedGeometry(getWidth(), getHeight());
+ int wrappedWidth = av.getWrappedWidth();
+ int wrappedHeight = wrappedRepeatHeightPx;
+
+ ViewportRanges ranges = av.getRanges();
+ int canvasHeight = getHeight();
+ int repeats = canvasHeight / wrappedHeight;
+ if (canvasHeight / wrappedHeight > 0)
+ {
+ repeats++;
+ }
+
+ int firstVisibleColumn = ranges.getStartRes();
+ int lastVisibleColumn = ranges.getStartRes() + repeats
+ * ranges.getViewportWidth() - 1;
+
+ AlignmentI alignment = av.getAlignment();
+ if (av.hasHiddenColumns())
+ {
+ firstVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(firstVisibleColumn);
+ lastVisibleColumn = alignment.getHiddenColumns()
+ .adjustForHiddenColumns(lastVisibleColumn);
+ }
+
+ int gapHeight = charHeight * (av.getScaleAboveWrapped() ? 2 : 1);
+
+ for (int seqNo = ranges.getStartSeq(); seqNo <= ranges
+ .getEndSeq(); seqNo++)
+ {
+ SequenceI seq = alignment.getSequenceAt(seqNo);
+
+ int[] visibleResults = results.getResults(seq, firstVisibleColumn,
+ lastVisibleColumn);
+ if (visibleResults != null)
+ {
+ for (int i = 0; i < visibleResults.length - 1; i += 2)
+ {
+ int firstMatchedColumn = visibleResults[i];
+ int lastMatchedColumn = visibleResults[i + 1];
+ if (firstMatchedColumn <= lastVisibleColumn
+ && lastMatchedColumn >= firstVisibleColumn)
+ {
+ /*
+ * found a search results match in the visible region
+ */
+ firstMatchedColumn = Math.max(firstMatchedColumn,
+ firstVisibleColumn);
+ lastMatchedColumn = Math.min(lastMatchedColumn,
+ lastVisibleColumn);
+
+ /*
+ * draw each mapped position separately (as contiguous positions may
+ * wrap across lines)
+ */
+ for (int mappedPos = firstMatchedColumn; mappedPos <= lastMatchedColumn; mappedPos++)
+ {
+ int displayColumn = mappedPos;
+ if (av.hasHiddenColumns())
+ {
+ displayColumn = alignment.getHiddenColumns()
+ .findColumnPosition(displayColumn);
+ }
+
+ /*
+ * transX: offset from left edge of canvas to residue position
+ */
+ int transX = labelWidthWest
+ + ((displayColumn - ranges.getStartRes()) % wrappedWidth)
+ * av.getCharWidth();
+
+ /*
+ * transY: offset from top edge of canvas to residue position
+ */
+ int transY = gapHeight;
+ transY += (displayColumn - ranges.getStartRes())
+ / wrappedWidth * wrappedHeight;
+ transY += (seqNo - ranges.getStartSeq()) * av.getCharHeight();
+
+ /*
+ * yOffset is from graphics origin to start of visible region
+ */
+ int yOffset = 0;// (displayColumn / wrappedWidth) * wrappedHeight;
+ if (transY < getHeight())
+ {
+ matchFound = true;
+ gg.translate(transX, transY);
+ drawPanel(gg, displayColumn, displayColumn, seqNo, seqNo,
+ yOffset);
+ gg.translate(-transX, -transY);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ return matchFound;
+ }
+
+ /**
+ * Answers the width in pixels of the left scale labels (0 if not shown)
+ *
+ * @return
+ */
+ int getLabelWidthWest()
+ {
+ return labelWidthWest;
+ }
+}
git://source.jalview.org / jalview.git / blobdiff