From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- canvas/source/tools/surfacerect.hxx | 90 +++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 canvas/source/tools/surfacerect.hxx (limited to 'canvas/source/tools/surfacerect.hxx') diff --git a/canvas/source/tools/surfacerect.hxx b/canvas/source/tools/surfacerect.hxx new file mode 100644 index 000000000..808796d6d --- /dev/null +++ b/canvas/source/tools/surfacerect.hxx @@ -0,0 +1,90 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include +#include + +namespace canvas +{ + /** + * This implements some equivalent to basegfx::B2IBox, but instead of two + * BasicBox ranges, it uses a position and a size. maPos and maSize could + * be replaced by: + * - B2IPoint(getMinX(), getMinY()) and + * - B2ISize(getMaxX()-getMinX(), getMaxY()-getMinY()) + * + * The current allocation algorithm uses size and pos a lot. Not sure how + * time-critical any of this code is and if that would be a problem. + */ + struct SurfaceRect + { + ::basegfx::B2IPoint maPos; + ::basegfx::B2ISize maSize; + + explicit SurfaceRect( const ::basegfx::B2ISize &rSize ) : + maPos(), + maSize(rSize) + { + } + + bool pointInside( sal_Int32 px, sal_Int32 py ) const + { + const sal_Int32 x1(maPos.getX()); + const sal_Int32 y1(maPos.getY()); + const sal_Int32 x2(x1 + maSize.getX()); + const sal_Int32 y2(y1 + maSize.getY()); + if(px < x1) return false; + if(px >= x2) return false; + if(py < y1) return false; + if(py >= y2) return false; + return true; + } + + /// returns true if the passed rect intersects this one. + bool intersection( const SurfaceRect& r ) const + { + const sal_Int32 x1(maPos.getX()); + const sal_Int32 y1(maPos.getY()); + const sal_Int32 x1w(x1 + maSize.getX() - 1); + const sal_Int32 y1h(y1 + maSize.getY() - 1); + + const sal_Int32 x2(r.maPos.getX()); + const sal_Int32 y2(r.maPos.getY()); + const sal_Int32 x2w(x2 + r.maSize.getX() - 1); + const sal_Int32 y2h(y2 + r.maSize.getY() - 1); + + return !((x1w < x2) || (x2w < x1) || (y1h < y2) || (y2h < y1)); + } + + bool inside( const SurfaceRect& r ) const + { + const sal_Int32 x1(maPos.getX()); + const sal_Int32 y1(maPos.getY()); + const sal_Int32 x2(x1 + maSize.getX() - 1); + const sal_Int32 y2(y1 + maSize.getY() - 1); + if(!(r.pointInside(x1,y1))) return false; + if(!(r.pointInside(x2,y2))) return false; + return true; + } + }; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3