alexpete
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#if !defined(Q_MOC_RUN)
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#include <AzCore/PlatformDef.h>
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AZ_PUSH_DISABLE_WARNING(4251 4244 4800, "-Wunknown-warning-option") // 4251: class 'QScopedPointer<QBrushData,QBrushDataPointerDeleter>' needs to have dll-interface to be used by clients of class 'QBrush'
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// 4800: 'uint': forcing value to bool 'true' or 'false' (performance warning)
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#include <QLabel>
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AZ_POP_DISABLE_WARNING
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#include <AzQtComponents/AzQtComponentsAPI.h>
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#endif
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//! An improved QLabel control with better QPixmap resize functionality and click signal
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/*!
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ExtendedLabel allows to automatically downscale its QPixmap
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while preserving image's aspect ratio. The maximum QPixmap size is set
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to the minimum of [QLabel size] OR [maxPixMapWidth and maxPixMapHeight values].
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*/
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namespace AzQtComponents
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{
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class AZ_QT_COMPONENTS_API ExtendedLabel
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: public QLabel
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{
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Q_OBJECT
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public:
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explicit ExtendedLabel(QWidget* parent = nullptr);
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int heightForWidth(int width) const override;
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public Q_SLOTS:
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void setPixmap(const QPixmap& p);
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void resizeEvent(QResizeEvent* event) override;
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Q_SIGNALS:
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void clicked();
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protected:
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void mousePressEvent(QMouseEvent* event) override;
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private:
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QPixmap m_pix;
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QSize m_pixmapSize;
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void rescale();
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static double aspectRatio(int w, int h);
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};
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}
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