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Fixed #11 - No more display problems in waveforms when zooming in and 

scrolling
This commit is contained in:
Brita Keller 2019-03-17 20:03:22 +01:00
parent 6b4a9c1e14
commit 73e952faea
7 changed files with 132 additions and 70 deletions
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18
com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/ArrowPainter.java
View File

@ -46,6 +46,8 @@ public class ArrowPainter implements IPainter {
private RelationType highlightType;
private long selectionOffset;
long scaleFactor;
boolean deferredUpdate;
@ -87,8 +89,9 @@ public class ArrowPainter implements IPainter {
deferredUpdate = true;
return;
}
selectionOffset = waveCanvas.getXOffset();
int laneHeight = painter.getHeight() / stream.getMaxConcurrency();
txRectangle = new Rectangle((int) (tx.getBeginTime() / scaleFactor),
txRectangle = new Rectangle((int) (tx.getBeginTime() / scaleFactor-waveCanvas.getXOffset()),
waveCanvas.rulerHeight + painter.getVerticalOffset() + laneHeight * tx.getConcurrencyIndex(),
(int) ((tx.getEndTime() - tx.getBeginTime()) / scaleFactor), laneHeight);
deriveGeom(tx.getIncomingRelations(), iRect, false);
@ -102,7 +105,7 @@ public class ArrowPainter implements IPainter {
ITxStream<?> stream = otherTx.getStream();
IWaveformPainter painter = waveCanvas.wave2painterMap.get(stream);
int laneHeight = painter.getHeight() / stream.getMaxConcurrency();
Rectangle bb = new Rectangle((int) (otherTx.getBeginTime() / scaleFactor),
Rectangle bb = new Rectangle((int) (otherTx.getBeginTime() / scaleFactor-waveCanvas.getXOffset()),
waveCanvas.rulerHeight + painter.getVerticalOffset()
+ laneHeight * otherTx.getConcurrencyIndex(),
(int) ((otherTx.getEndTime() - otherTx.getBeginTime()) / scaleFactor), laneHeight);
@ -120,14 +123,19 @@ public class ArrowPainter implements IPainter {
scaleFactor = waveCanvas.getScaleFactor();
calculateGeometries();
}
if(txRectangle == null) return;
int correctionValue = (int)(selectionOffset - waveCanvas.getXOffset());
Rectangle correctedTargetRectangle = new Rectangle(txRectangle.x+correctionValue, txRectangle.y, txRectangle.width, txRectangle.height);
for (LinkEntry entry : iRect) {
Rectangle correctedRectangle = new Rectangle(entry.rectangle.x+correctionValue, entry.rectangle.y, entry.rectangle.width, entry.rectangle.height);
Point target = drawPath(gc, highlightType.equals(entry.relationType) ? highliteColor : fgColor,
entry.rectangle, txRectangle);
correctedRectangle, correctedTargetRectangle);
drawArrow(gc, target);
}
for (LinkEntry entry : oRect) {
Point target = drawPath(gc, highlightType.equals(entry.relationType) ? highliteColor : fgColor, txRectangle,
entry.rectangle);
Rectangle correctedRectangle = new Rectangle(entry.rectangle.x+correctionValue, entry.rectangle.y, entry.rectangle.width, entry.rectangle.height);
Point target = drawPath(gc, highlightType.equals(entry.relationType) ? highliteColor : fgColor, correctedTargetRectangle,
correctedRectangle);
drawArrow(gc, target);
}
}

22
com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/CursorPainter.java
View File

@ -30,6 +30,11 @@ public class CursorPainter implements IPainter, ICursor {
public final int id;
/// maximum visible canvas position in canvas coordinates
int maxPosX;
/// maximum visible position in waveform coordinates
int maxValX;
/**
* @param i
* @param txDisplay
@ -56,23 +61,32 @@ public class CursorPainter implements IPainter, ICursor {
this.isDragging = isDragging;
}
public void paintArea(GC gc, Rectangle area) {
if(this.waveCanvas.painterList.size()>0){
long scaleFactor=waveCanvas.getScaleFactor();
long beginPos = area.x;
maxPosX = area.x + area.width;
maxValX = maxPosX + (int)waveCanvas.getXOffset();
// x position of marker in pixels on canvas
int x = (int) (time/scaleFactor);
// distance of marker from the top of Canvas' painting area
int top = id<0?area.y:area.y+15;
Color drawColor=waveCanvas.colors[id<0?WaveformColors.CURSOR.ordinal():WaveformColors.MARKER.ordinal()];
Color dragColor = waveCanvas.colors[WaveformColors.CURSOR_DRAG.ordinal()];
Color textColor=waveCanvas.colors[id<0?WaveformColors.CURSOR_TEXT.ordinal():WaveformColors.MARKER_TEXT.ordinal()];
if(x>=area.x && x<=(area.x+area.width)){
if(x>=beginPos && x<=maxValX){
gc.setForeground(isDragging?dragColor:drawColor);
gc.drawLine(x, top, x, area.y+area.height);
gc.drawLine(x-(int)waveCanvas.getXOffset(), top, x-(int)waveCanvas.getXOffset(), area.y+area.height);
gc.setBackground(drawColor);
gc.setForeground(textColor);
Double dTime=new Double(time);
gc.drawText((dTime/waveCanvas.getScaleFactorPow10())+waveCanvas.getUnitStr(), x+1, top);
gc.drawText((dTime/waveCanvas.getScaleFactorPow10())+waveCanvas.getUnitStr(), x+1-(int)waveCanvas.getXOffset(), top);
}
}
}
}

30
com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/RulerPainter.java
View File

@ -32,6 +32,7 @@ public class RulerPainter implements IPainter {
@Override
public void paintArea(GC gc, Rectangle area) {
Color headerFgColor=waveCanvas.getDisplay().getSystemColor(SWT.COLOR_WIDGET_FOREGROUND);
if(headerFgColor.isDisposed())
headerFgColor=SWTResourceManager.getColor(0,0,0);
@ -41,9 +42,11 @@ public class RulerPainter implements IPainter {
String unit=waveCanvas.getUnitStr();
int unitMultiplier=waveCanvas.getUnitMultiplier();
long scaleFactor=waveCanvas.getScaleFactor();
// long zoomLevel = waveCanvas.getZoomLevel();
long start=area.x*scaleFactor;
long end=start+area.width*scaleFactor;
long startPos=area.x*scaleFactor;
long startVal=startPos + waveCanvas.getXOffset()*scaleFactor;
long endPos=startPos+area.width*scaleFactor;
long endVal=startVal+area.width*scaleFactor;
long rulerTickMinor = rulerTickMinorC*scaleFactor;
long rulerTickMajor = rulerTickMajorC*scaleFactor;
@ -54,9 +57,9 @@ public class RulerPainter implements IPainter {
int baselineY=waveCanvas.rulerHeight - 1;
int bottom=waveCanvas.rulerHeight - 2;
long startMinorIncr = start;
long modulo = start % rulerTickMinor;
startMinorIncr+=rulerTickMinor-modulo;
long modulo = startVal % rulerTickMinor;
long startMinorIncrPos = startPos+rulerTickMinor-modulo;
long startMinorIncrVal = startVal+rulerTickMinor-modulo;
gc.setBackground(waveCanvas.getDisplay().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
gc.fillRectangle(new Rectangle(area.x, area.y, area.width, waveCanvas.rulerHeight));
@ -65,15 +68,18 @@ public class RulerPainter implements IPainter {
gc.setForeground(headerFgColor);
gc.drawLine(area.x, area.y+bottom, area.x+area.width, area.y+bottom);
for (long tick = startMinorIncr; tick < end; tick += rulerTickMinor) {
int x0 = (int) (tick/scaleFactor);
int x0_max = 0;
for (long pos = startMinorIncrPos, tick = startMinorIncrVal; pos < endPos; pos+= rulerTickMinor, tick += rulerTickMinor) {
int x0_pos = (int) (pos/scaleFactor);
long x0_val = tick/scaleFactor;
x0_max = x0_pos;
if ((tick % rulerTickMajor) == 0) {
gc.drawText(df.format(tick/scaleFactor*unitMultiplier)+unit, x0, area.y+textY);
gc.drawLine(x0, area.y+majorTickY, x0,area.y+ bottom);
gc.drawText(df.format(x0_val*unitMultiplier)+unit, x0_pos, area.y+textY);
gc.drawLine(x0_pos, area.y+majorTickY, x0_pos,area.y+ bottom);
} else {
gc.drawLine(x0, area.y+minorTickY, x0, area.y+bottom);
gc.drawLine(x0_pos, area.y+minorTickY, x0_pos, area.y+bottom);
}
}
}
}

72
com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/SignalPainter.java
View File

@ -68,16 +68,24 @@ public class SignalPainter extends TrackPainter {
int yOffsetT;
int yOffsetM;
int yOffsetB;
int maxX;
/// maximum visible canvas position in canvas coordinates
int maxPosX;
/// maximum visible position in waveform coordinates
int maxValX;
public SignalPainter(WaveformCanvas txDisplay, boolean even, TrackEntry trackEntry) {
super(trackEntry, even);
this.waveCanvas = txDisplay;
}
private int getXEnd(long time) {
private int getXValEnd(long time) {
long ltmp = time / this.waveCanvas.getScaleFactor();
return ltmp > maxX ? maxX : (int) ltmp;
return ltmp > maxValX ? maxValX : (int) ltmp;
}
private int getXPosEnd(long time) {
long ltmp = time / this.waveCanvas.getScaleFactor() - waveCanvas.getXOffset();
return ltmp > maxPosX ? maxPosX : (int) ltmp;
}
public void paintArea(GC gc, Rectangle area) {
@ -88,8 +96,13 @@ public class SignalPainter extends TrackPainter {
gc.setBackground(this.waveCanvas.colors[even ? WaveformColors.TRACK_BG_EVEN.ordinal() : WaveformColors.TRACK_BG_ODD.ordinal()]);
gc.setFillRule(SWT.FILL_EVEN_ODD);
gc.fillRectangle(area);
long beginTime = area.x * this.waveCanvas.getScaleFactor();
long endTime = (area.x + area.width) * this.waveCanvas.getScaleFactor();
long scaleFactor = this.waveCanvas.getScaleFactor();
long beginPos = area.x;
long beginTime = (beginPos + waveCanvas.getXOffset())*scaleFactor;
long endPos = beginPos + area.width;
long endTime = beginTime + area.width*scaleFactor;
Entry<Long, ?> first = signal.getEvents().floorEntry(beginTime);
Entry<Long, ?> last = signal.getEvents().floorEntry(endTime);
if (first == null) {
@ -105,14 +118,18 @@ public class SignalPainter extends TrackPainter {
NavigableMap<Long, ?> entries = signal.getEvents().subMap(first.getKey(), false, last.getKey(), true);
SignalChange left = new SignalChange(first);
SignalChange right = new SignalChange(entries.size() > 0 ? entries.firstEntry() : first);
maxX = area.x + area.width;
maxPosX = area.x + area.width;
maxValX = maxPosX + (int)waveCanvas.getXOffset();
yOffsetT = this.waveCanvas.getTrackHeight() / 5 + area.y;
yOffsetM = this.waveCanvas.getTrackHeight() / 2 + area.y;
yOffsetB = 4 * this.waveCanvas.getTrackHeight() / 5 + area.y;
int xBegin = Math.max(area.x, (int) (left.time / this.waveCanvas.getScaleFactor()));
int xEnd = Math.max(area.x, getXEnd(right.time));
int xSigChangeBeginVal = Math.max(area.x + (int)waveCanvas.getXOffset(), (int) (left.time / this.waveCanvas.getScaleFactor()));
int xSigChangeBeginPos = area.x;
int xSigChangeEndVal = Math.max(area.x + (int)waveCanvas.getXOffset(), getXValEnd(right.time));
int xSigChangeEndPos = Math.max(area.x, getXPosEnd(right.time));
boolean multiple = false;
if (xEnd == xBegin) {
if (xSigChangeEndPos == xSigChangeBeginPos) {
// this can trigger if
// a) left == right
// b) left to close to right
@ -120,30 +137,31 @@ public class SignalPainter extends TrackPainter {
right.time = endTime;
} else {
multiple = true;
long eTime = (xBegin + 1) * this.waveCanvas.getScaleFactor();
long eTime = (xSigChangeBeginVal + 1) * this.waveCanvas.getScaleFactor();
right.set(entries.floorEntry(eTime), endTime);
right.time = eTime;
}
xEnd = getXEnd(right.time);
xSigChangeEndPos = getXPosEnd(right.time);
}
SignalStencil stencil = getStencil(gc, left, entries);
do {
stencil.draw(gc, area, left.value, right.value, xBegin, xEnd, multiple);
stencil.draw(gc, area, left.value, right.value, xSigChangeBeginPos, xSigChangeEndPos, multiple);
if (right.time >= endTime)
break;
left.assign(right);
xBegin = xEnd;
xSigChangeBeginPos = xSigChangeEndPos;
right.set(entries.higherEntry(left.time), endTime);
xEnd = getXEnd(right.time);
xSigChangeEndPos = getXPosEnd(right.time);
multiple = false;
if (xEnd == xBegin) {
if (xSigChangeEndPos == xSigChangeBeginPos) {
multiple = true;
long eTime = (xBegin + 1) * this.waveCanvas.getScaleFactor();
long eTime = (xSigChangeBeginPos + 1) * this.waveCanvas.getScaleFactor();
Entry<Long, ?> entry = entries.floorEntry(eTime);
if(entry!=null && entry.getKey()> right.time)
right.set(entry, endTime);
xEnd = getXEnd(eTime);
xSigChangeEndPos = getXPosEnd(eTime);
}
} while (left.time < endTime);
}
@ -273,14 +291,14 @@ public class SignalPainter extends TrackPainter {
int yOffsetLeft = (int) ((leftVal-minVal) / range * (yOffsetB-yOffsetT));
int yOffsetRight = (int) ((rightVal-minVal) / range * (yOffsetB-yOffsetT));
if(continous) {
if (xEnd > maxX) {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxX, yOffsetB-yOffsetRight);
if (xEnd > maxPosX) {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxPosX, yOffsetB-yOffsetRight);
} else {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetRight);
}
} else {
if (xEnd > maxX) {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxX, yOffsetB-yOffsetLeft);
if (xEnd > maxPosX) {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxPosX, yOffsetB-yOffsetLeft);
} else {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetLeft);
if(yOffsetRight!=yOffsetLeft) {
@ -316,8 +334,8 @@ public class SignalPainter extends TrackPainter {
default:
}
gc.setForeground(color);
if (xEnd > maxX) {
gc.drawLine(xBegin, yOffset, maxX, yOffset);
if (xEnd > maxPosX) {
gc.drawLine(xBegin, yOffset, maxPosX, yOffset);
} else {
gc.drawLine(xBegin, yOffset, xEnd, yOffset);
int yNext = yOffsetM;
@ -398,14 +416,14 @@ public class SignalPainter extends TrackPainter {
int yOffsetLeft = (int) ((leftVal-minVal) / range * (yOffsetB-yOffsetT));
int yOffsetRight = Double.isNaN(rightVal)?yOffsetLeft:(int) ((rightVal-minVal) / range * (yOffsetB-yOffsetT));
if(continous) {
if (xEnd > maxX) {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxX, yOffsetB-yOffsetRight);
if (xEnd > maxPosX) {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxPosX, yOffsetB-yOffsetRight);
} else {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetRight);
}
} else {
if (xEnd > maxX) {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxX, yOffsetB-yOffsetLeft);
if (xEnd > maxPosX) {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, maxPosX, yOffsetB-yOffsetLeft);
} else {
gc.drawLine(xBegin, yOffsetB-yOffsetLeft, xEnd, yOffsetB-yOffsetLeft);
if(yOffsetRight!=yOffsetLeft) {

20
com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/StreamPainter.java
View File

@ -57,15 +57,23 @@ public class StreamPainter extends TrackPainter{
gc.setBackground(this.waveCanvas.colors[even?WaveformColors.TRACK_BG_EVEN.ordinal():WaveformColors.TRACK_BG_ODD.ordinal()]);
gc.setFillRule(SWT.FILL_EVEN_ODD);
gc.fillRectangle(area);
Entry<Long, ?> firstTx=stream.getEvents().floorEntry(area.x*waveCanvas.getScaleFactor());
Entry<Long, ?> lastTx=stream.getEvents().ceilingEntry((area.x+area.width)*waveCanvas.getScaleFactor());
long scaleFactor = this.waveCanvas.getScaleFactor();
long beginPos = area.x;
long beginTime = (beginPos + waveCanvas.getXOffset())*scaleFactor;
long endPos = beginPos + area.width;
long endTime = beginTime + area.width*scaleFactor;
Entry<Long, ?> firstTx=stream.getEvents().floorEntry(beginTime);
Entry<Long, ?> lastTx=stream.getEvents().ceilingEntry(endTime);
if(firstTx==null) firstTx = stream.getEvents().firstEntry();
if(lastTx==null) lastTx=stream.getEvents().lastEntry();
gc.setFillRule(SWT.FILL_EVEN_ODD);
gc.setLineStyle(SWT.LINE_SOLID);
gc.setLineWidth(1);
gc.setForeground(this.waveCanvas.colors[WaveformColors.LINE.ordinal()]);
for(int y1=area.y+trackHeight/2; y1<area.y+trackEntry.height; y1+=trackHeight)
for( int y1=area.y+trackHeight/2; y1<area.y+trackEntry.height; y1+=trackHeight)
gc.drawLine(area.x, y1, area.x+area.width, y1);
if(firstTx==lastTx)
for(ITxEvent txEvent:(Collection<? extends ITxEvent>)firstTx.getValue())
@ -101,8 +109,9 @@ public class StreamPainter extends TrackPainter{
protected void drawTx(GC gc, Rectangle area, ITx tx) {
int offset = tx.getConcurrencyIndex()*this.waveCanvas.getTrackHeight();
Rectangle bb = new Rectangle(
(int)(tx.getBeginTime()/this.waveCanvas.getScaleFactor()), area.y+offset+txBase,
(int)(tx.getBeginTime()/this.waveCanvas.getScaleFactor()-waveCanvas.getXOffset()), area.y+offset+txBase,
(int)((tx.getEndTime()-tx.getBeginTime())/this.waveCanvas.getScaleFactor()), txHeight);
if(bb.x+bb.width<area.x || bb.x>area.x+area.width) return;
if(bb.width==0){
gc.drawLine(bb.x, bb.y, bb.x, bb.y+bb.height);
@ -110,7 +119,6 @@ public class StreamPainter extends TrackPainter{
gc.fillRectangle(bb);
gc.drawRectangle(bb);
} else {
// adjusting drawing width to circumvent issues in canvas algos
if(bb.x < area.x) {
bb.width = bb.width-(area.x-bb.x)+5;
bb.x=area.x-5;
@ -121,7 +129,7 @@ public class StreamPainter extends TrackPainter{
bb_x2=area_x2+5;
bb.width= bb_x2-bb.x;
}
gc.fillRoundRectangle(bb.x, bb.y, bb.width, bb.height, 5, 5);
gc.fillRoundRectangle(bb.x, bb.y, bb.width, bb.height, 5, 5);
gc.drawRoundRectangle(bb.x, bb.y, bb.width, bb.height, 5, 5);
}
}

30
com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/WaveformCanvas.java
View File

@ -45,7 +45,7 @@ import com.minres.scviewer.database.ui.IWaveformViewer;
import com.minres.scviewer.database.ui.TrackEntry;
import com.minres.scviewer.database.ui.WaveformColors;
public class WaveformCanvas extends Canvas {
public class WaveformCanvas extends Canvas{
Color[] colors = new Color[WaveformColors.values().length];
@ -84,13 +84,13 @@ public class WaveformCanvas extends Canvas {
* Constructor for ScrollableCanvas.
*
* @param parent
* the parent of this control.
* the parent of this control.super(parent, style | SWT.DOUBLE_BUFFERED | SWT.NO_BACKGROUND | SWT.NO_REDRAW_RESIZE | SWT.V_SCROLL | SWT.H_SCROLL);
* @param style
* the style of this control.
*/
public WaveformCanvas(final Composite parent, int style) {
super(parent, style | SWT.DOUBLE_BUFFERED | SWT.NO_BACKGROUND | SWT.NO_REDRAW_RESIZE | SWT.V_SCROLL | SWT.H_SCROLL);
addControlListener(new ControlAdapter() { /* resize listener. */
addControlListener(new ControlAdapter() { /* resize listener. */
public void controlResized(ControlEvent event) {
syncScrollBars();
}
@ -150,6 +150,10 @@ public class WaveformCanvas extends Canvas {
}
public long getXOffset() {
return -origin.x;
}
public void addCursoPainter(CursorPainter cursorPainter){
painterList.add(cursorPainter);
cursorPainters.add(cursorPainter);
@ -243,10 +247,11 @@ public class WaveformCanvas extends Canvas {
long xoffs=xc+origin.x; // cursor offset relative to left border
long xcn=tc/scaleFactor; // new total x-offset
long originX=xcn-xoffs;
if(originX>0)
if(originX>0) {
origin.x=(int) -originX; // new cursor time offset relative to left border
else
}else {
origin.x=0;
}
syncScrollBars();
arrowPainter.setTx(tx);
redraw();
@ -354,7 +359,7 @@ public class WaveformCanvas extends Canvas {
return;
}
int height = trackAreaPainter.getHeight(); // incl. Ruler
int width = (int) (maxTime / scaleFactor);
long width = maxTime / scaleFactor;
Rectangle clientArea=getClientArea();
ScrollBar horizontal = getHorizontalBar();
horizontal.setIncrement((int) (getClientArea().width / 100));
@ -362,10 +367,11 @@ public class WaveformCanvas extends Canvas {
int clientWidthw = clientArea.width;
if (width > clientWidthw) { /* image is wider than client area */
horizontal.setMinimum(0);
horizontal.setMaximum(width);
horizontal.setMaximum((int)width);
horizontal.setEnabled(true);
if (((int) -origin.x) > horizontal.getMaximum() - clientWidthw)
if (((int) -origin.x) > horizontal.getMaximum() - clientWidthw) {
origin.x = -horizontal.getMaximum() + clientWidthw;
}
} else { /* image is narrower than client area */
horizontal.setEnabled(false);
}
@ -380,8 +386,9 @@ public class WaveformCanvas extends Canvas {
vertical.setMinimum(0);
vertical.setMaximum(height);
vertical.setEnabled(true);
if (((int) -origin.y) > vertical.getMaximum() - clientHeighth)
if (((int) -origin.y) > vertical.getMaximum() - clientHeighth) {
origin.y = -vertical.getMaximum() + clientHeighth;
}
} else { /* image is less higher than client area */
vertical.setMaximum((int) (clientHeighth));
vertical.setEnabled(false);
@ -396,12 +403,13 @@ public class WaveformCanvas extends Canvas {
/* Paint function */
private void paint(GC gc) {
Rectangle clientRect = getClientArea(); /* Canvas' painting area */
clientRect.x = -origin.x;
// clientRect.x = -origin.x;
clientRect.y = -origin.y;
// reset the transform
transform.identity();
// shift the content
transform.translate(origin.x, origin.y);
// DO NOT SHIFT HORIZONTALLY, the range is WAY TOO BIG for float!!!
transform.translate(0, origin.y);
gc.setTransform(transform);
gc.setClipping(clientRect);
if (painterList.size() > 0 ) {