void invalidateRange(int startOffset, int endOffset) {
myWidthInPixels = -1;
int startVisualLine = myView.offsetToVisualLine(startOffset, false);
int endVisualLine = myView.offsetToVisualLine(endOffset, true);
int lineDiff = myEditor.getVisibleLineCount() - myLineWidths.size();
if (lineDiff > 0) {
int[] newEntries = new int[lineDiff];
myLineWidths.insert(startVisualLine, newEntries);
} else if (lineDiff < 0) {
myLineWidths.remove(startVisualLine, -lineDiff);
}
for (int i = startVisualLine; i <= endVisualLine && i < myLineWidths.size(); i++) {
myLineWidths.set(i, UNKNOWN_WIDTH);
}
}
private boolean checkDirty() {
if (myEditor.getSoftWrapModel().isDirty()) {
myDirty = true;
return true;
}
if (myDirty) {
int visibleLineCount = myEditor.getVisibleLineCount();
int lineDiff = visibleLineCount - myLineWidths.size();
if (lineDiff > 0) myLineWidths.add(new int[lineDiff]);
else if (lineDiff < 0) myLineWidths.remove(visibleLineCount, -lineDiff);
for (int i = 0; i < visibleLineCount; i++) {
myLineWidths.set(i, UNKNOWN_WIDTH);
}
myDirty = false;
}
return false;
}
public static int getFreeRecord() {
if (myFreeRecords.isEmpty()) return 0;
return myFreeRecords.remove(myFreeRecords.size() - 1);
}