Renamed meego graphics system helper files.

1 files changed, 136 insertions, 0 deletions

diff --git a/tools/qmeegographicssystemhelper/qmeegolivepixmap.cpp b/tools/qmeegographicssystemhelper/qmeegolivepixmap.cpp
new file mode 100644
index 0000000..2f7abd7
--- /dev/null
+++ b/tools/qmeegographicssystemhelper/qmeegolivepixmap.cpp
@@ -0,0 +1,136 @@
+/***************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation
+**
+** This library is free software; you can redistribute it and/or
+** modify it under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation
+** and appearing in the file LICENSE.LGPL included in the packaging
+** of this file.
+**
+****************************************************************************/
+
+#include "mlivepixmap.h"
+#include "../private/qimage_p.h"
+#include "../private/qpixmap_raster_p.h"
+#include "mlivepixmap_p.h"
+#include "mliveimage_p.h"
+#include <QSharedMemory>
+
+/* MLivePixmapPrivate */
+
+MLivePixmapPrivate::MLivePixmapPrivate() : shm(0), shmSerial(0), owns(true), parentImage(0)
+{
+}
+
+void MLivePixmapPrivate::copyBackFrom(const void *raw)
+{
+    Q_Q(MLivePixmap);
+    
+    q->detach();
+    shm->lock();
+    uchar *dest = ((uchar *) shm->data()) + (2 * sizeof(int));
+    memcpy(dest, raw, q->width() * q->height() * 4);
+    shm->unlock();
+}
+
+MLivePixmapPrivate::~MLivePixmapPrivate()
+{
+    Q_Q(MLivePixmap);
+    
+    if (parentImage)
+        parentImage->d_ptr->detachPixmap(q);
+
+    if (shm)
+        shm->detach();
+        
+    if (owns)
+        delete shm;        
+}
+
+/* MLivePixmap */
+
+MLivePixmap::MLivePixmap(QPixmapData *p) : QPixmap(p), d_ptr(new MLivePixmapPrivate())
+{
+    Q_D(MLivePixmap);
+    d->q_ptr = this;
+}
+
+MLivePixmap* MLivePixmap::fromLiveImage(MLiveImage *liveImage)
+{
+    static int counter = 100;
+    QSharedMemory *shm = NULL;
+    uchar* imgData = NULL;
+    int *header = NULL;
+    int w = liveImage->width();
+    int h = liveImage->height();
+    
+    counter++;
+    shm = new QSharedMemory(QString("MLivePixmap%1").arg(counter));
+    shm->create((w * h * 4) + 2 * sizeof(int)); // +2 to store width & height
+    shm->attach();
+    
+    imgData = ((uchar *) shm->data()) + (2 * sizeof(int));
+    header = (int *) shm->data();
+    
+    header[0] = w;
+    header[1] = h;
+    
+    QImage img(imgData, w, h, QImage::Format_ARGB32_Premultiplied);
+    
+    QPixmapData *pmd = new QRasterPixmapData(QPixmapData::PixmapType);
+    pmd->fromImage(img, Qt::NoOpaqueDetection);
+    
+    MLivePixmap *livePixmap = new MLivePixmap(pmd);
+    livePixmap->d_ptr->shm = shm;
+    livePixmap->d_ptr->owns = true;
+    livePixmap->d_ptr->shmSerial = counter;
+    livePixmap->d_ptr->parentImage = liveImage;
+    
+    liveImage->d_ptr->attachPixmap(livePixmap);
+
+    return livePixmap;    
+}
+
+MLivePixmap* MLivePixmap::fromHandle(Qt::HANDLE handle)
+{
+    QSharedMemory *shm = NULL;
+    int *header;
+    int width;
+    int height;
+    uchar* imgData;
+    
+    shm = new QSharedMemory(QString("MLivePixmap%1").arg(handle));
+    shm->attach();
+    
+    shm->lock();
+    header = (int *) shm->data();
+    width = header[0];
+    height = header[1];
+    shm->unlock();
+    
+    imgData = ((uchar *) shm->data()) + (2 * sizeof(int));
+    QImage img(imgData, width, height, QImage::Format_ARGB32_Premultiplied);
+    
+    QPixmapData *pmd = new QRasterPixmapData(QPixmapData::PixmapType);
+    pmd->fromImage(img, Qt::NoOpaqueDetection);
+
+    MLivePixmap *livePixmap = new MLivePixmap(pmd);
+    livePixmap->d_ptr->shm = shm;
+    livePixmap->d_ptr->owns = false;
+    livePixmap->d_ptr->shmSerial = handle;
+
+    return livePixmap;
+}
+
+MLivePixmap::~MLivePixmap()
+{
+}
+
+Qt::HANDLE MLivePixmap::handle()
+{
+    Q_D(MLivePixmap);
+    return d->shmSerial;
+}