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0001 // ct_lvtqtw_tool_zoom.h -*-C++-*- 0002 0003 /* 0004 // Copyright 2023 Codethink Ltd <codethink@codethink.co.uk> 0005 // SPDX-License-Identifier: Apache-2.0 0006 // 0007 // Licensed under the Apache License, Version 2.0 (the "License"); 0008 // you may not use this file except in compliance with the License. 0009 // You may obtain a copy of the License at 0010 // 0011 // http://www.apache.org/licenses/LICENSE-2.0 0012 // 0013 // Unless required by applicable law or agreed to in writing, software 0014 // distributed under the License is distributed on an "AS IS" BASIS, 0015 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 0016 // See the License for the specific language governing permissions and 0017 // limitations under the License. 0018 */ 0019 0020 #ifndef INCLUDED_LVTQTC_TOOL_ZOOM 0021 #define INCLUDED_LVTQTC_TOOL_ZOOM 0022 0023 #include <lvtqtc_export.h> 0024 0025 #include <ct_lvtqtc_tool_rubberband.h> 0026 0027 #include <QGraphicsView> 0028 0029 #include <memory> 0030 0031 namespace Codethink::lvtqtc { 0032 0033 class LVTQTC_EXPORT ToolZoom final : public ToolRubberband { 0034 // Controls the Drag Zoom / Rubberband Zoom. 0035 0036 Q_OBJECT 0037 public: 0038 ToolZoom(GraphicsView *gv); 0039 ~ToolZoom() noexcept override; 0040 0041 void rubberbandChanged(const QPoint& topLeft, const QPoint& bottomRight) override; 0042 void rubberbandFinished(const QPoint& topLeft, const QPoint& bottomRight) override; 0043 }; 0044 0045 } // namespace Codethink::lvtqtc 0046 0047 #endif