package jalview.gui; import static org.testng.Assert.assertEquals; import jalview.datamodel.AlignmentI; import jalview.io.DataSourceType; import jalview.io.FileLoader; import java.awt.Font; import java.awt.FontMetrics; import junit.extensions.PA; import org.testng.annotations.Test; public class SeqCanvasTest { /** * Test the method that computes wrapped width in residues, height of wrapped * widths in pixels, and the number of widths visible */ @Test(groups = "Functional") public void testCalculateWrappedGeometry_noAnnotations() { AlignFrame af = new FileLoader().LoadFileWaitTillLoaded( "examples/uniref50.fa", DataSourceType.FILE); AlignViewport av = af.getViewport(); AlignmentI al = av.getAlignment(); assertEquals(al.getWidth(), 157); assertEquals(al.getHeight(), 15); av.setWrapAlignment(true); av.getRanges().setStartEndSeq(0, 14); av.setFont(new Font("SansSerif", Font.PLAIN, 14), true); int charHeight = av.getCharHeight(); int charWidth = av.getCharWidth(); assertEquals(charHeight, 17); assertEquals(charWidth, 12); SeqCanvas testee = af.alignPanel.getSeqPanel().seqCanvas; /* * first with scales above, left, right */ av.setShowAnnotation(false); av.setScaleAboveWrapped(true); av.setScaleLeftWrapped(true); av.setScaleRightWrapped(true); FontMetrics fm = testee.getFontMetrics(av.getFont()); int labelWidth = fm.stringWidth("000") + charWidth; assertEquals(labelWidth, 39); // 3 x 9 + charWidth /* * width 400 pixels leaves (400 - 2*labelWidth) for residue columns * take the whole multiple of character widths */ int canvasWidth = 400; int canvasHeight = 300; int residueColumns = (canvasWidth - 2 * labelWidth) / charWidth; int wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, residueColumns); assertEquals(PA.getValue(testee, "labelWidthWest"), labelWidth); assertEquals(PA.getValue(testee, "labelWidthEast"), labelWidth); assertEquals(PA.getValue(testee, "wrappedSpaceAboveAlignment"), 2 * charHeight); int repeatingHeight = (int) PA.getValue(testee, "wrappedRepeatHeightPx"); assertEquals(repeatingHeight, charHeight * (2 + al.getHeight())); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 1); /* * repeat height is 17 * (2 + 15) = 289 * make canvas height 2 * 289 + 3 * charHeight so just enough to * draw 2 widths and the first sequence of a third */ canvasHeight = charHeight * (17 * 2 + 3); testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 3); /* * reduce canvas height by 1 pixel - should not be enough height * to draw 3 widths */ canvasHeight -= 1; testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 2); /* * turn off scale above - can now fit in 2 and a bit widths */ av.setScaleAboveWrapped(false); testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 3); /* * reduce height to enough for 2 widths and not quite a third * i.e. two repeating heights + spacer + sequence - 1 pixel */ canvasHeight = charHeight * (16 * 2 + 2) - 1; testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 2); /* * make canvas width enough for scales and 20 residues */ canvasWidth = 2 * labelWidth + 20 * charWidth; wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 20); /* * reduce width by 1 pixel - rounds down to 19 residues */ canvasWidth -= 1; wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 19); /* * turn off West scale - adds labelWidth (39) to available for residues * which with the 11 remainder makes 50 which is 4 more charWidths rem 2 */ av.setScaleLeftWrapped(false); wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 23); /* * add 10 pixels to width to fit in another whole residue column */ canvasWidth += 9; wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 23); canvasWidth += 1; wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 24); /* * turn off East scale to gain 39 more pixels (3 columns remainder 3) */ av.setScaleRightWrapped(false); wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 27); /* * add 9 pixels to width to gain a residue column */ canvasWidth += 8; wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 27); canvasWidth += 1; wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 28); /* * now West but not East scale - lose 39 pixels or 4 columns */ av.setScaleLeftWrapped(true); wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 24); /* * adding 3 pixels to width regains one column */ canvasWidth += 2; wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 24); canvasWidth += 1; wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, 25); /* * turn off scales left and right, make width exactly 157 columns */ av.setScaleLeftWrapped(false); canvasWidth = al.getWidth() * charWidth; testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 1); } /** * Test the method that computes wrapped width in residues, height of wrapped * widths in pixels, and the number of widths visible */ @Test(groups = "Functional") public void testCalculateWrappedGeometry_withAnnotations() { AlignFrame af = new FileLoader().LoadFileWaitTillLoaded( "examples/uniref50.fa", DataSourceType.FILE); AlignViewport av = af.getViewport(); AlignmentI al = av.getAlignment(); assertEquals(al.getWidth(), 157); assertEquals(al.getHeight(), 15); av.setWrapAlignment(true); av.getRanges().setStartEndSeq(0, 14); av.setFont(new Font("SansSerif", Font.PLAIN, 14), true); int charHeight = av.getCharHeight(); int charWidth = av.getCharWidth(); assertEquals(charHeight, 17); assertEquals(charWidth, 12); SeqCanvas testee = af.alignPanel.getSeqPanel().seqCanvas; /* * first with scales above, left, right */ av.setShowAnnotation(true); av.setScaleAboveWrapped(true); av.setScaleLeftWrapped(true); av.setScaleRightWrapped(true); FontMetrics fm = testee.getFontMetrics(av.getFont()); int labelWidth = fm.stringWidth("000") + charWidth; assertEquals(labelWidth, 39); // 3 x 9 + charWidth int annotationHeight = testee.getAnnotationHeight(); /* * width 400 pixels leaves (400 - 2*labelWidth) for residue columns * take the whole multiple of character widths */ int canvasWidth = 400; int canvasHeight = 300; int residueColumns = (canvasWidth - 2 * labelWidth) / charWidth; int wrappedWidth = testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(wrappedWidth, residueColumns); assertEquals(PA.getValue(testee, "labelWidthWest"), labelWidth); assertEquals(PA.getValue(testee, "labelWidthEast"), labelWidth); assertEquals(PA.getValue(testee, "wrappedSpaceAboveAlignment"), 2 * charHeight); int repeatingHeight = (int) PA.getValue(testee, "wrappedRepeatHeightPx"); assertEquals(repeatingHeight, charHeight * (2 + al.getHeight()) + annotationHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 1); /* * repeat height is 17 * (2 + 15) = 289 + annotationHeight = 507 * make canvas height 2 * 289 + 3 * charHeight so just enough to * draw 2 widths and the first sequence of a third */ canvasHeight = charHeight * (17 * 2 + 3) + 2 * annotationHeight; testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 3); /* * reduce canvas height by 1 pixel - should not be enough height * to draw 3 widths */ canvasHeight -= 1; testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 2); /* * turn off scale above - can now fit in 2 and a bit widths */ av.setScaleAboveWrapped(false); testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 3); /* * reduce height to enough for 2 widths and not quite a third * i.e. two repeating heights + spacer + sequence - 1 pixel */ canvasHeight = charHeight * (16 * 2 + 2) + 2 * annotationHeight - 1; testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 2); /* * add 1 pixel to height - should now get 3 widths drawn */ canvasHeight += 1; testee.calculateWrappedGeometry(canvasWidth, canvasHeight); assertEquals(PA.getValue(testee, "wrappedVisibleWidths"), 3); } }