/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QCAMERAIMAGECAPTURECONTROL_H #define QCAMERAIMAGECAPTURECONTROL_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. // #include #include #include QT_BEGIN_NAMESPACE class QImage; class QPlatformMediaCaptureSession; class QImageEncoderSettingsPrivate; class Q_MULTIMEDIA_EXPORT QImageEncoderSettings { QImageCapture::FileFormat m_format = QImageCapture::UnspecifiedFormat; QSize m_resolution; QImageCapture::Quality m_quality = QImageCapture::NormalQuality; public: bool operator==(const QImageEncoderSettings &other) { return m_format == other.m_format && m_resolution == other.m_resolution && m_quality == other.m_quality; } bool operator!=(const QImageEncoderSettings &other) { return !operator==(other); } QImageCapture::FileFormat format() const { return m_format; } void setFormat(QImageCapture::FileFormat f) { m_format = f; } QSize resolution() const { return m_resolution; } void setResolution(const QSize &s) { m_resolution = s; } void setResolution(int width, int height) { m_resolution = QSize(width, height); } QImageCapture::Quality quality() const { return m_quality; } void setQuality(QImageCapture::Quality quality) { m_quality = quality; } }; class Q_MULTIMEDIA_EXPORT QPlatformImageCapture : public QObject { Q_OBJECT public: virtual bool isReadyForCapture() const = 0; virtual int capture(const QString &fileName) = 0; virtual int captureToBuffer() = 0; virtual QImageEncoderSettings imageSettings() const = 0; virtual void setImageSettings(const QImageEncoderSettings &settings) = 0; virtual void setMetaData(const QMediaMetaData &m) { m_metaData = m; } QMediaMetaData metaData() const { return m_metaData; } QImageCapture *imageCapture() { return m_imageCapture; } static QString msgCameraNotReady(); static QString msgImageCaptureNotSet(); Q_SIGNALS: void readyForCaptureChanged(bool ready); void imageExposed(int requestId); void imageCaptured(int requestId, const QImage &preview); void imageMetadataAvailable(int id, const QMediaMetaData &); void imageAvailable(int requestId, const QVideoFrame &buffer); void imageSaved(int requestId, const QString &fileName); void error(int id, int error, const QString &errorString); protected: explicit QPlatformImageCapture(QImageCapture *parent = nullptr); private: QImageCapture *m_imageCapture = nullptr; QMediaMetaData m_metaData; }; QT_END_NAMESPACE #endif // QCAMERAIMAGECAPTURECONTROL_H