4 import java.awt.Graphics2D.*;
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5 import java.awt.image.*;
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6 import javax.swing.*;
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7 import jalview.datamodel.*;
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8 import jalview.analysis.*;
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9 public class IdCanvas extends JPanel
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11 protected AlignViewport av;
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13 protected boolean showScores = true;
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15 protected int maxIdLength = -1;
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16 protected String maxIdStr = null;
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17 BufferedImage image;
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20 boolean fastPaint = false;
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22 public IdCanvas(AlignViewport av)
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24 setLayout(new BorderLayout());
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26 PaintRefresher.Register(this);
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29 public void drawIdString(Graphics2D gg,SequenceI s,int i, int starty, int ypos) {
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30 int charHeight = av.getCharHeight();
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33 if (av.getSelectionGroup()!=null && av.getSelectionGroup().sequences.contains(s)) {
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34 gg.setColor(Color.lightGray);
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35 gg.fillRect(0,AlignmentUtil.getPixelHeight(starty,i,charHeight)+ ypos,getWidth(),charHeight);
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36 gg.setColor(Color.white);
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38 gg.setColor(s.getColor());
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39 gg.fillRect(0,AlignmentUtil.getPixelHeight(starty,i,charHeight)+ ypos,getWidth(),charHeight);
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40 gg.setColor(Color.black);
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43 String string = s.getName();
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44 if(av.getShowFullId())
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45 string = s.getDisplayId();
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47 gg.drawString(string,0,AlignmentUtil.getPixelHeight(starty,i,charHeight) + ypos + charHeight- (charHeight/5));
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51 public void fastPaint(int vertical)
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54 { repaint(); return;}
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56 gg.copyArea( 0,0, getWidth(), imgHeight, 0, -vertical*av.charHeight );
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58 int ss=av.startSeq, es=av.endSeq, transY = 0;
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59 if (vertical > 0) // scroll down
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62 if(ss<av.startSeq) // ie scrolling too fast, more than a page at a time
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65 transY = imgHeight - vertical * av.charHeight;
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67 else if (vertical < 0)
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76 gg.translate(0, transY);
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80 gg.translate( 0, -transY );
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87 public void paintComponent(Graphics g)
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89 g.setColor(Color.white);
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90 g.fillRect(0, 0, getWidth(), getHeight());
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95 g.drawImage(image, 0, 0, this);
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99 imgHeight = getHeight();
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100 imgHeight -= imgHeight % av.charHeight;
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101 image = new BufferedImage(getWidth(), imgHeight, BufferedImage.TYPE_INT_RGB);
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102 gg = (Graphics2D) image.getGraphics();
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103 //Fill in the background
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104 gg.setColor(Color.white);
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105 gg.fillRect(0, 0, getWidth(), imgHeight);
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106 gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
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107 RenderingHints.VALUE_ANTIALIAS_ON);
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108 Font italic = new Font(av.getFont().getName(), Font.ITALIC,
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109 av.getFont().getSize());
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110 gg.setFont(italic);
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112 drawIds( av.getStartSeq(), av.endSeq);
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114 g.drawImage(image, 0, 0, this);
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117 void drawIds(int starty, int endy)
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119 Color currentColor = Color.white;
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120 Color currentTextColor = Color.black;
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122 if (av.getWrapAlignment())
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125 int rowSize = av.getEndRes() - av.getStartRes();
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126 // Draw the rest of the panels
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128 for(int ypos=2*av.charHeight, row=av.getEndRes()-rowSize;
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129 ypos <= getHeight() && row<av.alignment.getWidth();
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130 ypos += av.chunkHeight, row+=rowSize )
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132 for (int i = starty; i < av.alignment.getHeight(); i++)
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134 SequenceI s = av.alignment.getSequenceAt(i);
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135 drawIdString(gg, s, i, 0, ypos);
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143 //Now draw the id strings
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144 for (int i = starty; i < endy; i++)
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146 // Selected sequence colours
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148 if (av.getSelectionGroup()!= null
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149 && av.getSelectionGroup().sequences.contains(av.alignment.getSequenceAt(i)))
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151 // if(av.alignment.findGroup(al.getSequenceAt(i)).getEndRes()==
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152 currentColor = Color.lightGray;
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153 currentTextColor = Color.black;
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157 currentColor = av.alignment.getSequenceAt(i).getColor();
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158 currentTextColor = Color.black;
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161 gg.setColor(currentColor);
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164 AlignmentUtil.getPixelHeight(starty, i, av.charHeight),
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168 gg.setColor(currentTextColor);
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169 String string = av.alignment.getSequenceAt(i).getName();
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170 if(av.getShowFullId())
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171 string = av.alignment.getSequenceAt(i).getDisplayId();
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172 gg.drawString(string, 0,
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173 AlignmentUtil.getPixelHeight(starty, i, av.charHeight) +
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174 av.charHeight - (av.charHeight / 5));
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178 gg.setColor(Color.white);
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179 gg.fillRect(getWidth()-4,0,4,getHeight());
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