| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QCAMERAIMAGECAPTURECONTROL_H |
| 5 | #define QCAMERAIMAGECAPTURECONTROL_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtMultimedia/qimagecapture.h> |
| 19 | #include <QtMultimedia/qmediametadata.h> |
| 20 | #include <QtMultimedia/qimagecapture.h> |
| 21 | #include <QtCore/private/qglobal_p.h> |
| 22 | |
| 23 | QT_BEGIN_NAMESPACE |
| 24 | |
| 25 | class QImage; |
| 26 | class QPlatformMediaCaptureSession; |
| 27 | |
| 28 | class QImageEncoderSettingsPrivate; |
| 29 | class Q_MULTIMEDIA_EXPORT QImageEncoderSettings |
| 30 | { |
| 31 | QImageCapture::FileFormat m_format = QImageCapture::UnspecifiedFormat; |
| 32 | QSize m_resolution; |
| 33 | QImageCapture::Quality m_quality = QImageCapture::NormalQuality; |
| 34 | |
| 35 | public: |
| 36 | bool operator==(const QImageEncoderSettings &other) { |
| 37 | return m_format == other.m_format && |
| 38 | m_resolution == other.m_resolution && |
| 39 | m_quality == other.m_quality; |
| 40 | } |
| 41 | bool operator!=(const QImageEncoderSettings &other) { return !operator==(other); } |
| 42 | |
| 43 | QImageCapture::FileFormat format() const { return m_format; } |
| 44 | void setFormat(QImageCapture::FileFormat f) { m_format = f; } |
| 45 | |
| 46 | QSize resolution() const { return m_resolution; } |
| 47 | void setResolution(const QSize &s) { m_resolution = s; } |
| 48 | void setResolution(int width, int height) { m_resolution = QSize(width, height); } |
| 49 | |
| 50 | QImageCapture::Quality quality() const { return m_quality; } |
| 51 | void setQuality(QImageCapture::Quality quality) { m_quality = quality; } |
| 52 | }; |
| 53 | |
| 54 | class Q_MULTIMEDIA_EXPORT QPlatformImageCapture : public QObject |
| 55 | { |
| 56 | Q_OBJECT |
| 57 | |
| 58 | public: |
| 59 | virtual bool isReadyForCapture() const = 0; |
| 60 | |
| 61 | virtual int capture(const QString &fileName) = 0; |
| 62 | virtual int captureToBuffer() = 0; |
| 63 | |
| 64 | virtual QImageEncoderSettings imageSettings() const = 0; |
| 65 | virtual void setImageSettings(const QImageEncoderSettings &settings) = 0; |
| 66 | |
| 67 | virtual void setMetaData(const QMediaMetaData &m) { m_metaData = m; } |
| 68 | QMediaMetaData metaData() const { return m_metaData; } |
| 69 | |
| 70 | QImageCapture *imageCapture() { return m_imageCapture; } |
| 71 | |
| 72 | static QString msgCameraNotReady(); |
| 73 | static QString msgImageCaptureNotSet(); |
| 74 | |
| 75 | Q_SIGNALS: |
| 76 | void readyForCaptureChanged(bool ready); |
| 77 | |
| 78 | void imageExposed(int requestId); |
| 79 | void imageCaptured(int requestId, const QImage &preview); |
| 80 | void imageMetadataAvailable(int id, const QMediaMetaData &); |
| 81 | void imageAvailable(int requestId, const QVideoFrame &buffer); |
| 82 | void imageSaved(int requestId, const QString &fileName); |
| 83 | |
| 84 | void error(int id, int error, const QString &errorString); |
| 85 | |
| 86 | protected: |
| 87 | explicit QPlatformImageCapture(QImageCapture *parent = nullptr); |
| 88 | private: |
| 89 | QImageCapture *m_imageCapture = nullptr; |
| 90 | QMediaMetaData m_metaData; |
| 91 | }; |
| 92 | |
| 93 | QT_END_NAMESPACE |
| 94 | |
| 95 | |
| 96 | #endif // QCAMERAIMAGECAPTURECONTROL_H |
| 97 | |
| 98 |