import java.awt.geom.AffineTransform;
import java.awt.image.ImageObserver;
import java.util.BitSet;
+import java.util.Collections;
import java.util.HashMap;
import java.util.Hashtable;
+import java.util.List;
import java.util.Map;
import org.jfree.graphics2d.svg.SVGGraphics2D;
import jalview.datamodel.ColumnSelection;
import jalview.datamodel.HiddenColumns;
import jalview.datamodel.ProfilesI;
+import jalview.datamodel.annotations.AnnotationColouringI;
import jalview.renderer.api.AnnotationRendererFactoryI;
import jalview.renderer.api.AnnotationRowRendererI;
import jalview.schemes.ColourSchemeI;
*/
private boolean canClip = false;
+ /**
+ * Property to set text antialiasing method
+ */
+ private static final String TEXT_ANTIALIAS_METHOD = "TEXT_ANTIALIAS_METHOD";
+
+ private static final Object textAntialiasMethod;
+
+ static
+ {
+ final String textAntialiasMethodPref = Cache
+ .getDefault(TEXT_ANTIALIAS_METHOD, "GASP");
+ switch (textAntialiasMethodPref)
+ {
+ case "ON":
+ textAntialiasMethod = RenderingHints.VALUE_TEXT_ANTIALIAS_ON;
+ break;
+ case "GASP":
+ textAntialiasMethod = RenderingHints.VALUE_TEXT_ANTIALIAS_GASP;
+ break;
+ case "LCD_HBGR":
+ textAntialiasMethod = RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HBGR;
+ break;
+ case "LCD_HRGB":
+ textAntialiasMethod = RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB;
+ break;
+ case "LCD_VBGR":
+ textAntialiasMethod = RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VBGR;
+ break;
+ case "LCD_VRGB":
+ textAntialiasMethod = RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VRGB;
+ break;
+ case "OFF":
+ textAntialiasMethod = RenderingHints.VALUE_TEXT_ANTIALIAS_OFF;
+ break;
+ case "DEFAULT":
+ textAntialiasMethod = RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT;
+ break;
+ default:
+ jalview.bin.Console.warn(TEXT_ANTIALIAS_METHOD + " value '"
+ + textAntialiasMethodPref
+ + "' not recognised, defaulting to 'GASP'. See https://docs.oracle.com/javase/8/docs/api/java/awt/RenderingHints.html#KEY_TEXT_ANTIALIASING");
+ textAntialiasMethod = RenderingHints.VALUE_TEXT_ANTIALIAS_GASP;
+ }
+ }
+
public AnnotationRenderer()
{
this(false);
AlignViewportI av, Graphics g, int activeRow, int startRes,
int endRes)
{
+ return drawComponent(annotPanel, av, g, activeRow, startRes, endRes,
+ false);
+ }
+
+ public boolean drawComponent(AwtRenderPanelI annotPanel,
+ AlignViewportI av, Graphics g, int activeRow, int startRes,
+ int endRes, boolean forExport)
+ {
if (g instanceof EpsGraphics2D || g instanceof SVGGraphics2D)
{
this.setVectorRendering(true);
.getComplementConsensusAnnotation();
BitSet graphGroupDrawn = new BitSet();
- int charOffset = 0; // offset for a label
// \u03B2 \u03B1
// debug ints
int yfrom = 0, f_i = 0, yto = 0, f_to = 0;
// flag used for vector rendition
this.glyphLineDrawn = false;
x = (startRes == 0) ? 0 : -1;
+
while (x < endRes - startRes)
{
if (hasHiddenColumns)
if (validCharWidth && validRes && displayChar != null
&& (displayChar.length() > 0))
{
- // Graphics2D gg = (g);
- float fmWidth = fm.charsWidth(displayChar.toCharArray(), 0,
- displayChar.length());
+ float fmWidth = fm.stringWidth(displayChar);
/*
* shrink label width to fit in column, if that is
if (scaleColLabel && fmWidth > charWidth)
{
scaledToFit = true;
- fmScaling = charWidth;
- fmScaling /= fmWidth;
+ fmScaling = (float) charWidth / fmWidth;
// and update the label's width to reflect the scaling.
fmWidth = charWidth;
}
- charOffset = (int) ((charWidth - fmWidth) / 2f);
+ float charOffset = (charWidth - fmWidth) / 2f;
if (row_annotations[column].colour == null)
{
* draw the label, unless it is the same secondary structure
* symbol (excluding RNA Helix) as the previous column
*/
- final int xPos = (x * charWidth) + charOffset;
- final int yPos = y + iconOffset;
-
+ final float xPos = (x * charWidth) + charOffset;
+ final float yPos = y + iconOffset;
+
+ // Act on a copy of the Graphics2d object
+ Graphics2D g2dCopy = (Graphics2D) g2d.create();
+ // Clip to this annotation line (particularly width).
+ // This removes artifacts from text when side scrolling
+ // (particularly in wrap format), but can result in clipped
+ // characters until a full paint is drawn.
+ // Add charHeight allowance above and below annotation for
+ // character overhang.
+ // If we're in an image export, set the clip width to be the
+ // entire width of the annotation.
+
+ int clipWidth = forExport
+ ? row_annotations.length * charWidth - 1
+ : imgWidth - 1;
+ g2dCopy.setClip(0, (int) yPos - 2 * charHeight, clipWidth,
+ charHeight * 3);
/*
* translate to drawing position _before_ applying any scaling
*/
- g2d.translate(xPos, yPos);
+ g2dCopy.translate(xPos, yPos);
if (scaledToFit)
{
/*
* use a scaling transform to make the label narrower
* (JalviewJS doesn't have Font.deriveFont(AffineTransform))
*/
- g2d.transform(
+ g2dCopy.transform(
AffineTransform.getScaleInstance(fmScaling, 1.0));
}
- setAntialias(g);
+ setAntialias(g2dCopy, true);
if (column == 0 || row.graph > 0)
{
- g2d.drawString(displayChar, 0, 0);
+ g2dCopy.drawString(displayChar, 0, 0);
}
else if (row_annotations[column - 1] == null || (labelAllCols
|| !displayChar.equals(
|| (displayChar.length() < 2
&& row_annotations[column].secondaryStructure == ' ')))
{
- g2d.drawString(displayChar, 0, 0);
- }
- if (scaledToFit)
- {
- /*
- * undo scaling before translating back
- * (restoring saved transform does NOT work in JS PDFGraphics!)
- */
- g2d.transform(AffineTransform
- .getScaleInstance(1D / fmScaling, 1.0));
+ g2dCopy.drawString(displayChar, 0, 0);
}
- g2d.translate(-xPos, -yPos);
+ g2dCopy.dispose();
}
}
if (row.hasIcons)
continue;
}
+ boolean individualColour = false;
if (aa_annotations[column].colour == null)
{
g.setColor(Color.black);
else
{
g.setColor(aa_annotations[column].colour);
+ individualColour = true;
}
- boolean previousValueExists = column > 0
+ boolean value1Exists = column > 0
&& aa_annotations[column - 1] != null;
- float previousValue = previousValueExists
- ? aa_annotations[column - 1].value
- : 0;
- float thisValue = aa_annotations[column].value;
+ float value1 = 0f;
+ Color color1 = null;
+ if (value1Exists)
+ {
+ value1 = aa_annotations[column - 1].value;
+ color1 = aa_annotations[column - 1].colour;
+ }
+ float value2 = aa_annotations[column].value;
boolean nextValueExists = aa_annotations.length > column + 1
&& aa_annotations[column + 1] != null;
- float nextValue = nextValueExists ? aa_annotations[column + 1].value
- : 0;
// check for standalone value
- if (!previousValueExists && !nextValueExists)
+ if (!value1Exists && !nextValueExists)
{
- y2 = y - yValueToPixelHeight(thisValue, min, range, graphHeight);
+ y2 = y - yValueToPixelHeight(value2, min, range, graphHeight);
drawLine(g, x * charWidth + charWidth / 4, y2,
x * charWidth + 3 * charWidth / 4, y2);
x++;
continue;
}
- if (!previousValueExists)
+ if (!value1Exists)
{
x++;
continue;
}
- y1 = y - yValueToPixelHeight(previousValue, min, range, graphHeight);
- y2 = y - yValueToPixelHeight(thisValue, min, range, graphHeight);
+ y1 = y - yValueToPixelHeight(value1, min, range, graphHeight);
+ y2 = y - yValueToPixelHeight(value2, min, range, graphHeight);
+ float v1 = value1;
+ float v2 = value2;
+ int a1 = (x - 1) * charWidth + charWidth / 2;
+ int b1 = y1;
+ int a2 = x * charWidth + charWidth / 2;
+ int b2 = y2;
if (x == 0)
{
// only draw an initial half-line
- drawLine(g, x * charWidth, y1 + (y2 - y1) / 2,
- x * charWidth + charWidth / 2, y2);
-
+ a1 = x * charWidth;
+ b1 = y1 + (y2 - y1) / 2;
+ v1 = value1 + (value2 - value1) / 2;
}
else if (x == eRes - sRes)
{
- // this is one past the end to draw -- only draw a half line
- drawLine(g, (x - 1) * charWidth + charWidth / 2, y1,
- x * charWidth - 1, y1 + (y2 - y1) / 2);
-
+ // this is one past the end to draw -- only draw the first half of the
+ // line
+ a2 = x * charWidth - 1;
+ b2 = y1 + (y2 - y1) / 2;
+ v2 = value1 + (value2 - value1) / 2;
+ }
+ else
+ {
+ }
+ AnnotationColouringI ac = aa_annotations[column]
+ .getAnnotationColouring();
+ List<Map.Entry<Float, Color>> valCols = ac == null ? null
+ : ac.rangeColours(v1, v2);
+ if (valCols != null)
+ {
+ drawSegmentedLine(g, valCols, a1, b1, a2, b2);
}
else
{
- drawLine(g, (x - 1) * charWidth + charWidth / 2, y1,
- x * charWidth + charWidth / 2, y2);
+ drawLine(g, a1, b1, a2, b2);
}
x++;
}
return dashedLineLookup.get(charWidth);
}
+ private void drawSegmentedLine(Graphics g,
+ List<Map.Entry<Float, Color>> valCols, int x1, int y1, int x2,
+ int y2)
+ {
+ if (valCols == null || valCols.size() == 0)
+ {
+ return;
+ }
+ // let's only go forwards+up|down -- try and avoid providing right to left
+ // x values
+ if (x2 < x1)
+ {
+ int tmp = y2;
+ y2 = y1;
+ y1 = tmp;
+ tmp = x2;
+ x2 = x1;
+ x1 = tmp;
+ Collections.reverse(valCols);
+ }
+ Graphics2D g2d = (Graphics2D) g.create();
+ float yd = y2 - y1;
+ boolean reverse = yd > 0; // reverse => line going DOWN (y increasing)
+ Map.Entry<Float, Color> firstValCol = valCols.remove(0);
+ float firstVal = firstValCol.getKey();
+ Color firstCol = firstValCol.getValue();
+ int yy1 = 0;
+ yy1 = reverse ? (int) Math.ceil(y1 + firstVal * yd)
+ : (int) Math.floor(y1 + firstVal * yd);
+ Color thisCol = firstCol;
+ for (int i = 0; i < valCols.size(); i++)
+ {
+ Map.Entry<Float, Color> valCol = valCols.get(i);
+ float val = valCol.getKey();
+ Color col = valCol.getValue();
+ int clipX = x1 - 1;
+ int clipW = x2 - x1 + 2;
+ int clipY = 0;
+ int clipH = 0;
+ int yy2 = 0;
+ if (reverse) // line going down
+ {
+ yy2 = (int) Math.ceil(y1 + val * yd);
+ g2d.setColor(thisCol);
+ clipY = yy1 - 1;
+ clipH = yy2 - yy1;
+ if (i == 0)
+ {
+ // highest segment, don't clip at the top
+ clipY -= 2;
+ clipH += 2;
+ }
+ if (i == valCols.size() - 1)
+ {
+ // lowest segment, don't clip at the bottom
+ clipH += 2;
+ }
+ }
+ else // line going up (or level)
+ {
+ yy2 = (int) Math.floor(y1 + val * yd);
+ // g2d.setColor(Color.cyan); g2d.drawRect(x1 - 1, yy1, x2 - x1 + 1, yy2
+ // -
+ // yy1 + 1);
+ g2d.setColor(col);
+ clipY = yy2;
+ clipH = yy1 - yy2;
+ if (i == 0)
+ {
+ // lowest segment, don't clip at the bottom
+ clipH += 2;
+ }
+ if (i == valCols.size() - 1)
+ {
+ // highest segment, don't clip at the top
+ clipY -= 2;
+ clipH += 2;
+ }
+ }
+ g2d.setClip(clipX, clipY, clipW, clipH);
+ drawLine(g2d, x1, y1, x2, y2);
+ yy1 = yy2;
+ thisCol = col;
+ }
+ g2d.dispose();
+ }
+
private static int yValueToPixelHeight(float value, float min,
float range, int graphHeight)
{
g2d.setStroke(p);
}
- private void drawLine(Graphics g, int a, int b, int c, int d)
+ private void drawLine(Graphics g, int x1, int y1, int x2, int y2)
{
setAntialias(g);
- g.drawLine(a, b, c, d);
+ g.drawLine(x1, y1, x2, y2);
}
private void setAntialias(Graphics g)
{
+ setAntialias(g, false);
+ }
+
+ private void setAntialias(Graphics g, boolean text)
+ {
if (isVectorRendering())
{
// no need to antialias vector drawings
if (Cache.getDefault("ANTI_ALIAS", true))
{
Graphics2D g2d = (Graphics2D) g;
- g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
- RenderingHints.VALUE_ANTIALIAS_ON);
+ if (text)
+ {
+ g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
+ this.textAntialiasMethod);
+ }
+ else
+ {
+ g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+ RenderingHints.VALUE_ANTIALIAS_ON);
+ }
}
}