- scl = htn * scale * profl[c++];
- lm = ofont.getLineMetrics(dc, 0, 1, g.getFontMetrics()
- .getFontRenderContext());
- g.setFont(ofont.deriveFont(AffineTransform.getScaleInstance(
- wdth, scl / lm.getAscent())));
- lm = g.getFontMetrics().getLineMetrics(dc, 0, 1, g);
-
- // Debug - render boxes around characters
- // g.setColor(Color.red);
- // g.drawRect(x*av.charWidth, (int)ht, av.charWidth,
- // (int)(scl));
- // g.setColor(profcolour.findColour(dc[0]).darker());
- g.setColor(profcolour.findColour(dc[0], column, null));
-
- hght = (ht + (scl - lm.getDescent() - lm.getBaselineOffsets()[lm
- .getBaselineIndex()]));
-
- g.drawChars(dc, 0, dc.length, x * charWidth, (int) hght);
+ // failsafe in case a count rounds down to 0%
+ continue;
+ }
+ double newHeight = normaliseFactor * scale * percent;
+
+ /*
+ * Set character colour as per alignment colour scheme; use the
+ * codon translation if a cDNA profile
+ */
+ Color colour = null;
+ if (isCdnaProfile)
+ {
+ final String codonTranslation = ResidueProperties
+ .codonTranslate(s);
+ colour = profcolour.findColour(codonTranslation.charAt(0),
+ column, null);
+ }
+ else
+ {
+ colour = profcolour.findColour(dc[0], column, null);
+ }
+ g.setColor(colour == Color.white ? Color.lightGray : colour);
+
+ // Debug - render boxes around characters
+ // g.setColor(Color.red);
+ // g.drawRect(x*av.charWidth, (int)ht, av.charWidth,
+ // (int)(scl));
+ // g.setColor(profcolour.findColour(dc[0]).darker());
+
+ double sx = 1f * charWidth / fm.charsWidth(dc, 0, dc.length);
+ double sy = newHeight / asc;
+ double newAsc = asc * sy;
+ double newDec = dec * sy;
+ // it is not necessary to recalculate lm for the new font.
+ // note: lm.getBaselineOffsets()[lm.getBaselineIndex()]) must be 0
+ // by definition. Was:
+ // int hght = (int) (ht + (newAsc - newDec);
+ // - lm.getBaselineOffsets()[lm.getBaselineIndex()]));
+
+ if (Platform.isJS())
+ {
+ /*
+ * SwingJS does not implement font.deriveFont()
+ * so use a scaling transform to draw instead,
+ * this is off by a very small amount
+ */
+ final int hght = (int) (ht2 + (newAsc - newDec));
+ Graphics2D gg = (Graphics2D) g;
+ int xShift = (int) Math.round(x * charWidth / sx);
+ int yShift = (int) Math.round(hght / sy);
+ gg.transform(AffineTransform.getScaleInstance(sx, sy));
+ gg.drawString(s, xShift, yShift);
+ gg.transform(
+ AffineTransform.getScaleInstance(1D / sx, 1D / sy));
+ ht2 += newHeight;
+ }
+ else
+ /**
+ * Java only
+ *
+ * @j2sIgnore
+ */
+ {
+ // Java ('normal') method is to scale the font to fit
+
+ final int hght = (int) (ht + (newAsc - newDec));
+ Font font = ofont
+ .deriveFont(AffineTransform.getScaleInstance(sx, sy));
+ g.setFont(font);
+ g.drawChars(dc, 0, dc.length, x * charWidth, hght);
+ g.setFont(ofont);
+
+ ht += newHeight;