src/darwin/CarbonDockIconPreview.cpp

	CarbonDockIconPreview.cpp revision 416817daa142e9bb7eaf14a1b10577978a5e691b
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync/* $Id$ */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync/** @file
b736c553dbde2c3b2533c93c57d9b7f07714371cvboxsync * CarbonDockIconPreview class implementation
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync/*
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * Copyright (C) 2009 Sun Microsystems, Inc.
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync *
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * available from http://www.virtualbox.org. This file is free software;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * you can redistribute it and/or modify it under the terms of the GNU
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * General Public License (GPL) as published by the Free Software
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync *
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync * additional information or have any questions.
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync/* VBox includes */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync#include "CarbonDockIconPreview.h"
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync#include "VBoxUtils-darwin.h"
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync#include "iprt/assert.h"
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync#include "iprt/mem.h"
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncRT_C_DECLS_BEGIN
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncvoid darwinCreateVBoxDockIconTileView (void);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncvoid darwinDestroyVBoxDockIconTileView (void);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncCGContextRef darwinBeginCGContextForApplicationDockTile (void);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncvoid darwinEndCGContextForApplicationDockTile (CGContextRef aContext);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
d544fe535c163a24bf8cd831b39264da292b8adfvboxsyncvoid darwinOverlayApplicationDockTileImage (CGImageRef pImage);
d544fe535c163a24bf8cd831b39264da292b8adfvboxsyncvoid darwinRestoreApplicationDockTileImage (void);
d544fe535c163a24bf8cd831b39264da292b8adfvboxsync
d544fe535c163a24bf8cd831b39264da292b8adfvboxsyncvoid darwinDrawMainWindow (NativeWindowRef pMainWin, CGContextRef aContext);
d544fe535c163a24bf8cd831b39264da292b8adfvboxsyncRT_C_DECLS_END
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync
174e1d5b2d6b6d7c92271d7fcc070c6d0cc92312vboxsync/* Import private function to capture the window content of any given window. */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncCG_EXTERN_C_BEGIN
d544fe535c163a24bf8cd831b39264da292b8adfvboxsynctypedef int CGSWindowID;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsynctypedef void *CGSConnectionID;
97566036db1dc1dba46ed21be4e147c728fd1027vboxsyncCG_EXTERN CGSWindowID GetNativeWindowFromWindowRef(WindowRef ref);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncCG_EXTERN CGSConnectionID CGSMainConnectionID(void);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncCG_EXTERN void CGContextCopyWindowCaptureContentsToRect(CGContextRef c, CGRect dstRect, CGSConnectionID connection, CGSWindowID window, int zero);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncCG_EXTERN_C_END
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncCarbonDockIconPreview::CarbonDockIconPreview (VBoxConsoleWnd *aMainWnd, const QPixmap& aOverlayImage)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync  : AbstractDockIconPreview (aMainWnd, aOverlayImage)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync  , AbstractDockIconPreviewHelper (aMainWnd, aOverlayImage)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync  , mBitmapData (NULL)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync{
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync}
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncCarbonDockIconPreview::~CarbonDockIconPreview()
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync{
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    if (mBitmapData)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        RTMemFree (mBitmapData);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync}
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncvoid CarbonDockIconPreview::updateDockOverlay()
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync{
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Remove all previously set tile images */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    ::RestoreApplicationDockTileImage();
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    Assert (cs);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Four bytes per color */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    int bitmapBytesPerRow = mDockIconRect.size.width * 4;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    int bitmapByteCount = bitmapBytesPerRow * mDockIconRect.size.height;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    initOverlayData (bitmapByteCount);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    Assert (mBitmapData);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGContextRef context = CGBitmapContextCreate (mBitmapData,
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                                                  mDockIconRect.size.width,
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                                                  mDockIconRect.size.height,
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                                                  8,
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                                                  bitmapBytesPerRow,
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                                                  cs,
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                                                  kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Clear the background to be transparent */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGContextSetBlendMode (context, kCGBlendModeNormal);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGContextClearRect (context, (mDockIconRect));
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Draw the state image & the overlay image */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    drawOverlayIcons (context);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9474d83dcac691984017f8255821b95ec7642804vboxsync    /* Flush the content */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGContextFlush (context);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9474d83dcac691984017f8255821b95ec7642804vboxsync    /* Create a image out of the bitmap context */
9474d83dcac691984017f8255821b95ec7642804vboxsync    CGImageRef overlayImage = CGBitmapContextCreateImage (context);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    Assert (overlayImage);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Update the dock overlay icon */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    ::OverlayApplicationDockTileImage (overlayImage);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Release the temp image */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGImageRelease (overlayImage);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGColorSpaceRelease (cs);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync}
9474d83dcac691984017f8255821b95ec7642804vboxsync
97566036db1dc1dba46ed21be4e147c728fd1027vboxsyncvoid CarbonDockIconPreview::updateDockPreview (CGImageRef aVMImage)
9474d83dcac691984017f8255821b95ec7642804vboxsync{
9474d83dcac691984017f8255821b95ec7642804vboxsync    Assert (aVMImage);
9474d83dcac691984017f8255821b95ec7642804vboxsync
9474d83dcac691984017f8255821b95ec7642804vboxsync    /* Create the context to draw on */
9474d83dcac691984017f8255821b95ec7642804vboxsync    CGContextRef context = BeginCGContextForApplicationDockTile ();
9474d83dcac691984017f8255821b95ec7642804vboxsync    updateDockPreviewImpl (context, aVMImage);
9474d83dcac691984017f8255821b95ec7642804vboxsync    /* This flush updates the dock icon */
9474d83dcac691984017f8255821b95ec7642804vboxsync    CGContextFlush (context);
9474d83dcac691984017f8255821b95ec7642804vboxsync    EndCGContextForApplicationDockTile (context);
9474d83dcac691984017f8255821b95ec7642804vboxsync}
9474d83dcac691984017f8255821b95ec7642804vboxsync
9474d83dcac691984017f8255821b95ec7642804vboxsyncvoid CarbonDockIconPreview::updateDockPreview (VBoxFrameBuffer *aFrameBuffer)
9474d83dcac691984017f8255821b95ec7642804vboxsync{
9474d83dcac691984017f8255821b95ec7642804vboxsync    AbstractDockIconPreview::updateDockPreview (aFrameBuffer);
9474d83dcac691984017f8255821b95ec7642804vboxsync}
9474d83dcac691984017f8255821b95ec7642804vboxsync
9474d83dcac691984017f8255821b95ec7642804vboxsyncvoid CarbonDockIconPreview::updateDockPreviewImpl (CGContextRef aContext, CGImageRef aVMImage)
9474d83dcac691984017f8255821b95ec7642804vboxsync{
9474d83dcac691984017f8255821b95ec7642804vboxsync    Assert (aContext);
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    /* Initialize all dependent images in the case it wasn't done already */
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    initPreviewImages();
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    Assert (cs);
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    /* Clear the background to be transparent */
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    CGContextSetBlendMode (aContext, kCGBlendModeNormal);
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    CGContextClearRect (aContext, flipRect (mDockIconRect));
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    /* Draw the monitor as the background */
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    CGContextDrawImage (aContext, flipRect (mMonitorRect), mDockMonitor);
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync    /* Calculate the size of the dock icon image and fit it into 128x128 */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    int scaledWidth;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    int scaledHeight;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    float aspect = static_cast <float> (CGImageGetWidth (aVMImage)) / CGImageGetHeight (aVMImage);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    if (aspect > 1.0)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    {
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        scaledWidth = mUpdateRect.size.width;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        scaledHeight = mUpdateRect.size.height / aspect;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    }
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    else
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    {
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        scaledWidth = mUpdateRect.size.width * aspect;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        scaledHeight = mUpdateRect.size.height;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    }
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGRect iconRect = centerRectTo (CGRectMake (0, 0,
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                                                scaledWidth, scaledHeight),
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                                    mUpdateRect);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Draw the VM content */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGContextDrawImage (aContext, flipRect (iconRect), aVMImage);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync//    darwinDrawMainWindow(darwinToNativeWindow (mMainWnd), aContext);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync#if 0 // ndef QT_MAC_USE_COCOA
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Process the content of any external OpenGL window. */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    WindowRef w = darwinToNativeWindow (mMainWnd);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    WindowGroupRef g = GetWindowGroup (w);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    WindowGroupContentOptions wgco = kWindowGroupContentsReturnWindows | kWindowGroupContentsRecurse | kWindowGroupContentsVisible;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    ItemCount c = CountWindowGroupContents (g, wgco);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    float a1 = iconRect.size.width / static_cast <float> (CGImageGetWidth (aVMImage));
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    float a2 = iconRect.size.height / static_cast <float> (CGImageGetHeight (aVMImage));
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    Rect tmpR;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    GetWindowBounds (w, kWindowContentRgn, &tmpR);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    HIRect mainRect = CGRectMake (tmpR.left, tmpR.top, tmpR.right-tmpR.left, tmpR.bottom-tmpR.top);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Iterate over every window in the returned window group. */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    for (ItemCount i = 0; i <= c; ++i)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    {
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        WindowRef wc;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        OSStatus status = GetIndexedWindow (g, i, wgco, &wc);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        /* Skip the main window */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        if (status == noErr &&
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync            wc != w)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        {
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync            WindowClass winClass;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync            status = GetWindowClass (wc, &winClass);
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync            /* Check that the class is of type overlay window */
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync            if (status == noErr &&
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync                winClass == kOverlayWindowClass)
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync            {
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync                Rect tmpR1;
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync                GetWindowBounds (wc, kWindowContentRgn, &tmpR1);
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync                HIRect rect;
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync                rect.size.width = (tmpR1.right-tmpR1.left) * a1;
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync                rect.size.height = (tmpR1.bottom-tmpR1.top) * a2;
97566036db1dc1dba46ed21be4e147c728fd1027vboxsync                rect.origin.x = iconRect.origin.x + (tmpR1.left - mainRect.origin.x) * a1;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                rect.origin.y = iconRect.origin.y + (tmpR1.top  - mainRect.origin.y) * a2;
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                /* This is a big, bad hack. The following functions aren't
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                 * documented nor official supported by apple. But its the only way
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                 * to capture the OpenGL content of a window without fiddling
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                 * around with gPixelRead or something like that. */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                CGSWindowID wid = GetNativeWindowFromWindowRef (wc);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync                CGContextCopyWindowCaptureContentsToRect(aContext, flipRect (rect), CGSMainConnectionID(), wid, 0);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync            }
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        }
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    }
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync#endif /* QT_MAC_USE_COCOA */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Draw the glossy overlay */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGContextDrawImage (aContext, flipRect (mMonitorRect), mDockMonitorGlossy);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    /* Draw the state image & the overlay image */
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    drawOverlayIcons (aContext);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    CGColorSpaceRelease (cs);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync}
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsyncvoid CarbonDockIconPreview::initOverlayData (int aBitmapByteCount)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync{
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync    if (!mBitmapData)
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync        mBitmapData = RTMemAlloc (aBitmapByteCount);
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync}
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync
9cabb72c6d6feb65e839ce50765643b98bb9a301vboxsync