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/* $Id$ */
/** @file
* VBox Qt GUI - Realtime Dock Icon Preview
*/
/*
* Copyright (C) 2009-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/* Qt includes: */
#include <QStyle>
/* GUI includes: */
#include "UIAbstractDockIconPreview.h"
#include "UIConverter.h"
#include "UIExtraDataManager.h"
#include "UIFrameBuffer.h"
#include "UIMachineLogic.h"
#include "UIMachineView.h"
#include "UISession.h"
#include "UICommon.h"
/* COM includes: */
#include "COMEnums.h"
UIAbstractDockIconPreview::UIAbstractDockIconPreview(UISession * /* pSession */, const QPixmap& /* overlayImage */)
{
}
void UIAbstractDockIconPreview::updateDockPreview(UIFrameBuffer *pFrameBuffer)
{
CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
Assert(cs);
/* Create the image copy of the framebuffer */
CGDataProviderRef dp = CGDataProviderCreateWithData(pFrameBuffer, pFrameBuffer->address(), pFrameBuffer->bitsPerPixel() / 8 * pFrameBuffer->width() * pFrameBuffer->height(), NULL);
Assert(dp);
CGImageRef ir = CGImageCreate(pFrameBuffer->width(), pFrameBuffer->height(), 8, 32, pFrameBuffer->bytesPerLine(), cs,
kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Host, dp, 0, false,
kCGRenderingIntentDefault);
Assert(ir);
/* Update the dock preview icon */
updateDockPreview(ir);
/* Release the temp data and image */
CGImageRelease(ir);
CGDataProviderRelease(dp);
CGColorSpaceRelease(cs);
}
UIAbstractDockIconPreviewHelper::UIAbstractDockIconPreviewHelper(UISession *pSession, const QPixmap& overlayImage)
: m_pSession(pSession)
, m_dockIconRect(CGRectMake(0, 0, 128, 128))
, m_dockMonitor(NULL)
, m_dockMonitorGlossy(NULL)
, m_updateRect(CGRectMake(0, 0, 0, 0))
, m_monitorRect(CGRectMake(0, 0, 0, 0))
{
m_overlayImage = ::darwinToCGImageRef(&overlayImage);
Assert(m_overlayImage);
}
void* UIAbstractDockIconPreviewHelper::currentPreviewWindowId() const
{
/* Get the MachineView which is currently previewed and return the win id
of the viewport. */
UIMachineView* pView = m_pSession->machineLogic()->dockPreviewView();
if (pView)
return (void*)pView->viewport()->winId();
return 0;
}
UIAbstractDockIconPreviewHelper::~UIAbstractDockIconPreviewHelper()
{
CGImageRelease(m_overlayImage);
if (m_dockMonitor)
CGImageRelease(m_dockMonitor);
if (m_dockMonitorGlossy)
CGImageRelease(m_dockMonitorGlossy);
}
void UIAbstractDockIconPreviewHelper::initPreviewImages()
{
if (!m_dockMonitor)
{
m_dockMonitor = ::darwinToCGImageRef("monitor.png");
Assert(m_dockMonitor);
/* Center it on the dock icon context */
m_monitorRect = centerRect(CGRectMake(0, 0,
CGImageGetWidth(m_dockMonitor),
CGImageGetWidth(m_dockMonitor)));
}
if (!m_dockMonitorGlossy)
{
m_dockMonitorGlossy = ::darwinToCGImageRef("monitor_glossy.png");
Assert(m_dockMonitorGlossy);
/* This depends on the content of monitor.png */
m_updateRect = CGRectMake(m_monitorRect.origin.x + 8 /* left-frame */ + 1 /* indent-size */,
m_monitorRect.origin.y + 8 /* top-frame */ + 1 /* indent-size */,
128 /* .png-width */ - 8 /* left-frame */ - 8 /* right-frame */ - 2 * 1 /* indent-size */,
128 /* .png-height */ - 8 /* top-frame */ - 25 /* bottom-frame */ - 2 * 1 /* indent-size */);
}
}
void UIAbstractDockIconPreviewHelper::drawOverlayIcons(CGContextRef context)
{
/* Determine whether dock icon overlay is not disabled: */
if (!gEDataManager->dockIconDisableOverlay(uiCommon().managedVMUuid()))
{
/* Initialize overlay rectangle: */
CGRect overlayRect = CGRectMake(0, 0, 0, 0);
/* Make sure overlay image is valid: */
if (m_overlayImage)
{
/* Draw overlay image at bottom-right of dock icon: */
overlayRect = CGRectMake(m_dockIconRect.size.width - CGImageGetWidth(m_overlayImage),
m_dockIconRect.size.height - CGImageGetHeight(m_overlayImage),
CGImageGetWidth(m_overlayImage),
CGImageGetHeight(m_overlayImage));
CGContextDrawImage(context, flipRect(overlayRect), m_overlayImage);
}
}
}
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