void UIFrameBufferQuartz2D::resizeEvent(UIResizeEvent *aEvent)
{
#if 0
printf ("fmt=%lu, vram=%X, bpp=%lu, bpl=%lu, width=%lu, height=%lu\n",
aEvent->pixelFormat(), (unsigned int)aEvent->VRAM(),
aEvent->bitsPerPixel(), aEvent->bytesPerLine(),
aEvent->width(), aEvent->height());
#endif
/* Clean out old stuff */
clean(m_width == aEvent->width()
&& m_height == aEvent->height());
m_width = aEvent->width();
m_height = aEvent->height();
bool remind = false;
/* We need a color space in any case */
CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
/* Check if we support the pixel format/colordepth and can use the guest VRAM directly.
* Mac OS X supports 16 bit also but not in the 565 mode. So we could use
* 32 bit only. */
if ( aEvent->pixelFormat() == FramebufferPixelFormat_FOURCC_RGB
&& aEvent->bitsPerPixel() == 32)
{
m_fUsesGuestVRAM = true;
// printf ("VRAM\n");
/* Create the image copy of the framebuffer */
CGDataProviderRef dp = CGDataProviderCreateWithData(NULL, aEvent->VRAM(), aEvent->bytesPerLine() * m_height, NULL);
m_image = CGImageCreate(m_width, m_height, 8, aEvent->bitsPerPixel(), aEvent->bytesPerLine(), cs,
kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Little, dp, 0, false,
kCGRenderingIntentDefault);
m_pDataAddress = aEvent->VRAM();
CGDataProviderRelease (dp);
}
else
{
m_fUsesGuestVRAM = false;
remind = true;
// printf ("No VRAM\n");
/* Create the memory we need for our image copy
* Read somewhere that an alignment of 16 is
* best for optimal performance. So why not. */
// int bitmapBytesPerRow = RT_ALIGN (m_width * 4, 16);
int bitmapBytesPerRow = m_width * 4;
int bitmapByteCount = (bitmapBytesPerRow * m_height);
m_pBitmapData = RTMemAllocZ(bitmapByteCount);
CGDataProviderRef dp = CGDataProviderCreateWithData(NULL, m_pBitmapData, bitmapByteCount, NULL);
m_image = CGImageCreate(m_width, m_height, 8, 32, bitmapBytesPerRow, cs,
kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Little, dp, 0, false,
kCGRenderingIntentDefault);
m_pDataAddress = static_cast<uchar*>(m_pBitmapData);
CGDataProviderRelease(dp);
}
CGColorSpaceRelease(cs);
#ifdef VBOX_WITH_ICHAT_THEATER
setImageRef(m_image);
#endif
if (remind && m_pMachineView->uisession()->isGuestAdditionsActive())
popupCenter().remindAboutWrongColorDepth(m_pMachineView->machineWindow(),
aEvent->bitsPerPixel(), 32);
else
popupCenter().forgetAboutWrongColorDepth(m_pMachineView->machineWindow());
}
void WImage::resourceChanged()
{
setImageRef(resource_->generateUrl());
}