File indexing completed on 2024-05-19 05:42:23

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