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41
42 #include "qimagevideobuffer_p.h"
43
44 #include <private/qabstractvideobuffer_p.h>
45
46 #include <qimage.h>
47 #include <qvariant.h>
48
49 QT_BEGIN_NAMESPACE
50
51 class QImageVideoBufferPrivate : public QAbstractVideoBufferPrivate
52 {
53 public:
QImageVideoBufferPrivate()54 QImageVideoBufferPrivate()
55 : mapMode(QAbstractVideoBuffer::NotMapped)
56 {
57 }
58
59 QAbstractVideoBuffer::MapMode mapMode;
60 QImage image;
61 };
62
QImageVideoBuffer(const QImage & image)63 QImageVideoBuffer::QImageVideoBuffer(const QImage &image)
64 : QAbstractVideoBuffer(*new QImageVideoBufferPrivate, NoHandle)
65 {
66 Q_D(QImageVideoBuffer);
67
68 d->image = image;
69 }
70
~QImageVideoBuffer()71 QImageVideoBuffer::~QImageVideoBuffer()
72 {
73 }
74
mapMode() const75 QAbstractVideoBuffer::MapMode QImageVideoBuffer::mapMode() const
76 {
77 return d_func()->mapMode;
78 }
79
map(MapMode mode,int * numBytes,int * bytesPerLine)80 uchar *QImageVideoBuffer::map(MapMode mode, int *numBytes, int *bytesPerLine)
81 {
82 Q_D(QImageVideoBuffer);
83
84 if (d->mapMode == NotMapped && d->image.bits() && mode != NotMapped) {
85 d->mapMode = mode;
86
87 if (numBytes)
88 *numBytes = d->image.byteCount();
89
90 if (bytesPerLine)
91 *bytesPerLine = d->image.bytesPerLine();
92
93 return d->image.bits();
94 } else {
95 return 0;
96 }
97 }
98
unmap()99 void QImageVideoBuffer::unmap()
100 {
101 Q_D(QImageVideoBuffer);
102
103 d->mapMode = NotMapped;
104 }
105
106 QT_END_NAMESPACE
107