1
scrollpane
の組み込みパンニングツールの問題で、こんにちは(流動的ではなく、ゆっくりとチャンクに移行します)カスタムパンニングハンドラーを作成しようとしています。以下は私の試みですが、if文が正しく動作しません。カスタムパンニングハンドラーJavafx
mapScroll.addEventFilter(MouseEvent.MOUSE_PRESSED, e -> {
startX = e.getX();
startY = e.getY();
});
mapScroll.addEventFilter(MouseEvent.MOUSE_DRAGGED, e -> {
endX = e.getX();
endY = e.getY();
Bounds viewBounds = mapScroll.getViewportBounds();
Bounds mapBounds = mapScroll.getBoundsInParent();
double xMin = viewBounds.getMinX();
double xMax = viewBounds.getMaxX();
double yMin = viewBounds.getMinY();
double yMax = viewBounds.getMaxY();
double startEndX = endX - startX;
double startEndY = endY - startY;
if(mapBounds.contains(xMin + startEndX, yMin + startEndY) && mapBounds.contains(xMin + startEndX, yMax + startEndY) && mapBounds.contains(xMax + startEndX, yMin + startEndY) && mapBounds.contains(xMax + startEndX, yMax + startEndY))
{
double fullWidth = mapScroll.getWidth();
double fullHeight = mapScroll.getHeight();
double hChange = startEndX/fullWidth;
double vChange = startEndY/fullHeight;
mapScroll.setHvalue(mapScroll.getHvalue() + hChange);
mapScroll.setVvalue(mapScroll.getVvalue() + vChange);
}
endX = startX;
endY = startY;
});