| package org.eclipse.nebula.widgets.nattable.core.geometry |
| |
| import static java.lang.Math.* |
| |
| class PixelRectangleInvariants { |
| |
| static def PixelRectangle intersect(PixelRectangle rect1, PixelRectangle rect2) { |
| val startX = max(rect1.x, rect2.x) |
| val startY = max(rect1.y, rect2.y) |
| val endX = min(rect1.x + rect1.width, rect2.x + rect2.width) |
| val endY = min(rect1.y + rect1.height, rect2.y + rect2.height) |
| new PixelRectangle(startX, startY, max(endX - startX, 0), max(endY - startY, 0)) |
| } |
| |
| static def boolean isEmpty(PixelRectangle rect) { |
| rect.width == 0 || rect.height == 0 |
| } |
| |
| } |
