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libs/flake/KoFlakeUtils.h
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| 1 | /* | ||||
|---|---|---|---|---|---|
| 2 | * Copyright (c) 2016 Dmitry Kazakov <dimula73@gmail.com> | ||||
| 3 | * | ||||
| 4 | * This program is free software; you can redistribute it and/or modify | ||||
| 5 | * it under the terms of the GNU General Public License as published by | ||||
| 6 | * the Free Software Foundation; either version 2 of the License, or | ||||
| 7 | * (at your option) any later version. | ||||
| 8 | * | ||||
| 9 | * This program is distributed in the hope that it will be useful, | ||||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||||
| 12 | * GNU General Public License for more details. | ||||
| 13 | * | ||||
| 14 | * You should have received a copy of the GNU General Public License | ||||
| 15 | * along with this program; if not, write to the Free Software | ||||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||||
| 17 | */ | ||||
| 18 | | ||||
| 19 | #ifndef KOFLAKEUTILS_H | ||||
| 20 | #define KOFLAKEUTILS_H | ||||
| 21 | | ||||
| 22 | #include <KoShape.h> | ||||
| 23 | #include <KoFlakeTypes.h> | ||||
| 24 | #include <KoShapeStroke.h> | ||||
| 25 | | ||||
| 26 | #include "kis_global.h" | ||||
| 27 | #include "KoShapeStrokeCommand.h" | ||||
| 28 | | ||||
| 29 | | ||||
| 30 | namespace KoFlake { | ||||
| 31 | | ||||
| 32 | template <typename ModifyFunction> | ||||
| 33 | auto modifyShapesStrokes(QList<KoShape*> shapes, ModifyFunction modifyFunction) | ||||
| 34 | -> decltype(modifyFunction(KoShapeStrokeSP()), (KUndo2Command*)(0)) | ||||
| 35 | { | ||||
| 36 | if (shapes.isEmpty()) return 0; | ||||
| 37 | | ||||
| 38 | QList<KoShapeStrokeModelSP> newStrokes; | ||||
| 39 | | ||||
| 40 | Q_FOREACH(KoShape *shape, shapes) { | ||||
| 41 | KoShapeStrokeSP shapeStroke = shape->stroke() ? | ||||
| 42 | qSharedPointerDynamicCast<KoShapeStroke>(shape->stroke()) : | ||||
| 43 | KoShapeStrokeSP(); | ||||
| 44 | | ||||
| 45 | KoShapeStrokeSP newStroke = | ||||
| 46 | toQShared(shapeStroke ? | ||||
| 47 | new KoShapeStroke(*shapeStroke) : | ||||
| 48 | new KoShapeStroke()); | ||||
| 49 | | ||||
| 50 | modifyFunction(newStroke); | ||||
| 51 | | ||||
| 52 | newStrokes << newStroke; | ||||
| 53 | } | ||||
| 54 | | ||||
| 55 | return new KoShapeStrokeCommand(shapes, newStrokes); | ||||
| 56 | } | ||||
| 57 | | ||||
| 58 | template <class Policy> | ||||
| 59 | bool compareShapePropertiesEqual(const QList<KoShape*> shapes, const Policy &policy) | ||||
| 60 | { | ||||
| 61 | if (shapes.size() == 1) return true; | ||||
| 62 | | ||||
| 63 | typename Policy::PointerType bg = | ||||
| 64 | policy.getProperty(shapes.first()); | ||||
| 65 | | ||||
| 66 | Q_FOREACH (KoShape *shape, shapes) { | ||||
| 67 | if ( | ||||
| 68 | !( | ||||
| 69 | (!bg && !policy.getProperty(shape)) || | ||||
| 70 | (bg && policy.compareTo(bg, policy.getProperty(shape))) | ||||
| 71 | )) { | ||||
| 72 | | ||||
| 73 | return false; | ||||
| 74 | } | ||||
| 75 | } | ||||
| 76 | | ||||
| 77 | return true; | ||||
| 78 | } | ||||
| 79 | | ||||
| 80 | template <class Policy> | ||||
| 81 | bool compareShapePropertiesEqual(const QList<KoShape*> shapes) | ||||
| 82 | { | ||||
| 83 | return compareShapePropertiesEqual<Policy>(shapes, Policy()); | ||||
| 84 | } | ||||
| 85 | | ||||
| 86 | } | ||||
| 87 | | ||||
| 88 | #endif // KOFLAKEUTILS_H | ||||
| 89 | | ||||