1 | /* $Id: UIFrameBufferQuartz2D.cpp 37063 2011-05-13 10:21:28Z vboxsync $ */
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2 | /** @file
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3 | *
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4 | * VBox frontends: Qt GUI ("VirtualBox"):
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5 | * UIFrameBufferQuartz2D class implementation
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6 | */
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7 |
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8 | /*
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9 | * Copyright (C) 2006-2010 Oracle Corporation
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10 | *
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11 | * This file is part of VirtualBox Open Source Edition (OSE), as
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12 | * available from http://www.virtualbox.org. This file is free software;
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13 | * you can redistribute it and/or modify it under the terms of the GNU
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14 | * General Public License (GPL) as published by the Free Software
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15 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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16 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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17 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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18 | */
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19 |
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20 | #if defined (VBOX_GUI_USE_QUARTZ2D)
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21 |
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22 | #ifdef VBOX_WITH_PRECOMPILED_HEADERS
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23 | # include "precomp.h"
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24 | #else /* !VBOX_WITH_PRECOMPILED_HEADERS */
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25 | /* Global includes */
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26 | #include <QApplication>
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27 |
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28 | #include <iprt/asm.h>
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29 |
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30 | /* Local includes */
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31 | #include "UIFrameBufferQuartz2D.h"
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32 | #include "UIMachineView.h"
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33 | #include "UIMachineLogic.h"
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34 | #include "VBoxUtils.h"
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35 |
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36 | #endif /* !VBOX_WITH_PRECOMPILED_HEADERS */
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37 |
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38 | //#define COMP_WITH_SHADOW
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39 | //#define OVERLAY_CLIPRECTS
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40 |
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41 | /** @class UIFrameBufferQuartz2D
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42 | *
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43 | * The UIFrameBufferQuartz2D class is a class that implements the IFrameBuffer
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44 | * interface and uses Apples Quartz2D to store and render VM display data.
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45 | */
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46 |
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47 | UIFrameBufferQuartz2D::UIFrameBufferQuartz2D(UIMachineView *pMachineView)
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48 | : UIFrameBuffer(pMachineView)
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49 | , m_pMachineLogic(pMachineView->machineLogic())
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50 | , m_pDataAddress(NULL)
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51 | , m_pBitmapData(NULL)
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52 | , m_uPixelFormat(FramebufferPixelFormat_FOURCC_RGB)
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53 | , m_image(NULL)
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54 | , mRegion(NULL)
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55 | , mRegionUnused(NULL)
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56 | {
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57 | Log (("Quartz2D: Creating\n"));
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58 |
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59 | UIResizeEvent event(FramebufferPixelFormat_Opaque,
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60 | NULL, 0, 0, 640, 480);
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61 | resizeEvent (&event);
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62 | }
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63 |
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64 | UIFrameBufferQuartz2D::~UIFrameBufferQuartz2D()
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65 | {
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66 | Log (("Quartz2D: Deleting\n"));
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67 | clean();
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68 | }
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69 |
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70 | /** @note This method is called on EMT from under this object's lock */
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71 | STDMETHODIMP UIFrameBufferQuartz2D::NotifyUpdate(ULONG aX, ULONG aY,
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72 | ULONG aW, ULONG aH)
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73 | {
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74 | /* Log (("Quartz2D: NotifyUpdate %d,%d %dx%d\n", aX, aY, aW, aH));*/
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75 |
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76 | QApplication::postEvent(m_pMachineView,
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77 | new UIRepaintEvent (aX, aY, aW, aH));
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78 | return S_OK;
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79 | }
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80 |
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81 | STDMETHODIMP UIFrameBufferQuartz2D::SetVisibleRegion(BYTE *aRectangles, ULONG aCount)
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82 | {
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83 | PRTRECT rects = (PRTRECT)aRectangles;
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84 |
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85 | if (!rects)
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86 | return E_POINTER;
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87 |
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88 | /** @todo r=bird: Is this thread safe? If I remember the code flow correctly, the
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89 | * GUI thread could be happily jogging along paintEvent now on another cpu core.
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90 | * This function is called on the EMT (emulation thread). Which means, blocking
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91 | * execution waiting for a lock is out of the question. A quick solution using
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92 | * ASMAtomic(Cmp)XchgPtr and a struct { cAllocated; cRects; aRects[1]; }
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93 | * *mRegion, *mUnusedRegion; should suffice (and permit you to reuse allocations). */
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94 | RegionRects *rgnRcts = ASMAtomicXchgPtrT(&mRegionUnused, NULL, RegionRects *);
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95 | if (rgnRcts && rgnRcts->allocated < aCount)
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96 | {
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97 | RTMemFree (rgnRcts);
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98 | rgnRcts = NULL;
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99 | }
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100 | if (!rgnRcts)
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101 | {
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102 | ULONG allocated = RT_ALIGN_32(aCount + 1, 32);
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103 | allocated = RT_MAX (128, allocated);
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104 | rgnRcts = (RegionRects *)RTMemAlloc(RT_OFFSETOF(RegionRects, rcts[allocated]));
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105 | if (!rgnRcts)
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106 | return E_OUTOFMEMORY;
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107 | rgnRcts->allocated = allocated;
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108 | }
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109 | rgnRcts->used = 0;
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110 |
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111 | QRegion reg;
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112 | // printf ("Region rects follow...\n");
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113 | QRect vmScreenRect (0, 0, width(), height());
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114 | for (ULONG ind = 0; ind < aCount; ++ ind)
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115 | {
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116 | QRect rect;
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117 | rect.setLeft(rects->xLeft);
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118 | rect.setTop(rects->yTop);
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119 | /* QRect are inclusive */
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120 | rect.setRight(rects->xRight - 1);
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121 | rect.setBottom(rects->yBottom - 1);
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122 |
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123 | /* The rect should intersect with the vm screen. */
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124 | rect = vmScreenRect.intersect(rect);
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125 | ++ rects;
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126 | /* Make sure only valid rects are distributed */
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127 | /* todo: Test if the other framebuffer implementation have the same
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128 | * problem with invalid rects (In Linux/Windows) */
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129 | if (rect.isValid() &&
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130 | rect.width() > 0 && rect.height() > 0)
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131 | reg += rect;
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132 | else
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133 | continue;
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134 |
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135 | CGRect *cgRct = &rgnRcts->rcts[rgnRcts->used];
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136 | cgRct->origin.x = rect.x();
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137 | cgRct->origin.y = height() - rect.y() - rect.height();
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138 | cgRct->size.width = rect.width();
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139 | cgRct->size.height = rect.height();
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140 | // printf ("Region rect[%d - %d]: %d %d %d %d\n", rgnRcts->used, aCount, rect.x(), rect.y(), rect.height(), rect.width());
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141 | rgnRcts->used++;
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142 | }
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143 | // printf ("..................................\n");
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144 |
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145 | RegionRects *pOld = ASMAtomicXchgPtrT(&mRegion, rgnRcts, RegionRects *);
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146 | if ( pOld
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147 | && !ASMAtomicCmpXchgPtr(&mRegionUnused, pOld, NULL))
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148 | RTMemFree(pOld);
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149 |
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150 | QApplication::postEvent(m_pMachineView, new UISetRegionEvent (reg));
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151 |
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152 | return S_OK;
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153 | }
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154 |
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155 | void UIFrameBufferQuartz2D::paintEvent(QPaintEvent *aEvent)
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156 | {
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157 | /* For debugging /Developer/Applications/Performance Tools/Quartz
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158 | * Debug.app is a nice tool to see which parts of the screen are
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159 | * updated.*/
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160 | Assert(m_image);
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161 |
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162 | QWidget* viewport = m_pMachineView->viewport();
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163 | Assert(VALID_PTR(viewport));
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164 | /* Get the dimensions of the viewport */
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165 | CGRect viewRect = ::darwinToCGRect(viewport->geometry());
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166 | /* Get the context of this window from Qt */
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167 | CGContextRef ctx = ::darwinToCGContextRef(viewport);
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168 | Assert(VALID_PTR(ctx));
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169 |
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170 | /* Flip the context */
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171 | CGContextTranslateCTM(ctx, 0, viewRect.size.height);
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172 | CGContextScaleCTM(ctx, 1.0, -1.0);
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173 |
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174 | /* We handle the seamless mode as a special case. */
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175 | if (m_pMachineLogic->visualStateType() == UIVisualStateType_Seamless)
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176 | {
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177 | /* Here we paint the windows without any wallpaper.
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178 | * So the background would be set transparently. */
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179 |
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180 | /* Create a subimage of the current view.
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181 | * Currently this subimage is the whole screen. */
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182 | CGImageRef subImage;
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183 | if (!m_pMachineView->pauseShot().isNull())
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184 | {
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185 | CGImageRef pauseImg = ::darwinToCGImageRef(&m_pMachineView->pauseShot());
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186 | subImage = CGImageCreateWithImageInRect(pauseImg, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
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187 | CGImageRelease(pauseImg);
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188 | }
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189 | else
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190 | {
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191 | #ifdef RT_ARCH_AMD64
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192 | /* Not sure who to blame, but it seems on 64bit there goes
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193 | * something terrible wrong (on a second monitor) when directly
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194 | * using CGImageCreateWithImageInRect without making a copy. We saw
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195 | * something like this already with the scale mode. */
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196 | CGImageRef tmpImage = CGImageCreateWithImageInRect(m_image, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
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197 | subImage = CGImageCreateCopy(tmpImage);
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198 | CGImageRelease(tmpImage);
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199 | #else
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200 | subImage = CGImageCreateWithImageInRect(m_image, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
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201 | #endif
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202 | }
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203 | Assert(VALID_PTR(subImage));
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204 | /* Clear the background (Make the rect fully transparent) */
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205 | CGContextClearRect(ctx, viewRect);
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206 | #ifdef OVERLAY_CLIPRECTS
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207 | CGContextSetRGBFillColor(ctx, 0.0, 0.0, 5.0, 0.7);
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208 | CGContextFillRect(ctx, viewRect);
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209 | #endif
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210 | #ifdef COMP_WITH_SHADOW
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211 | /* Enable shadows */
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212 | CGContextSetShadow(ctx, CGSizeMake (10, -10), 10);
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213 | CGContextBeginTransparencyLayer(ctx, NULL);
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214 | #endif
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215 | /* Grab the current visible region. */
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216 | RegionRects *rgnRcts = ASMAtomicXchgPtrT(&mRegion, NULL, RegionRects *);
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217 | if (rgnRcts)
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218 | {
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219 | if (rgnRcts->used > 0)
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220 | {
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221 | /* Add the clipping rects all at once. They are defined in
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222 | * SetVisibleRegion. */
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223 | CGContextBeginPath(ctx);
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224 | CGContextAddRects(ctx, rgnRcts->rcts, rgnRcts->used);
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225 | /* Now convert the path to a clipping path. */
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226 | CGContextClip(ctx);
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227 | }
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228 | /* Put back the visible region, free if we cannot (2+ SetVisibleRegion calls). */
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229 | if ( !ASMAtomicCmpXchgPtr(&mRegion, rgnRcts, NULL)
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230 | && !ASMAtomicCmpXchgPtr(&mRegionUnused, rgnRcts, NULL))
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231 | RTMemFree(rgnRcts);
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232 | }
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233 | /* In any case clip the drawing to the view window */
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234 | CGContextClipToRect(ctx, viewRect);
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235 | /* At this point draw the real vm image */
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236 | CGContextDrawImage(ctx, ::darwinFlipCGRect (viewRect, viewRect.size.height), subImage);
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237 | #ifdef COMP_WITH_SHADOW
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238 | CGContextEndTransparencyLayer(ctx);
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239 | #endif
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240 | CGImageRelease(subImage);
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241 | #ifdef OVERLAY_CLIPRECTS
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242 | if (rgnRcts && rgnRcts->used > 0)
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243 | {
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244 | CGContextBeginPath(ctx);
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245 | CGContextAddRects(ctx, rgnRcts->rcts, rgnRcts->used);
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246 | CGContextSetRGBStrokeColor(ctx, 1.0, 0.0, 0.0, 0.7);
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247 | CGContextDrawPath(ctx, kCGPathStroke);
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248 | }
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249 | CGContextSetRGBStrokeColor(ctx, 0.0, 1.0, 0.0, 0.7);
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250 | CGContextStrokeRect(ctx, viewRect);
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251 | #endif
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252 | }
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253 | else if ( m_pMachineLogic->visualStateType() == UIVisualStateType_Scale
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254 | && m_scaledSize.isValid())
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255 | {
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256 | /* Here we paint if we didn't care about any masks */
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257 |
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258 | /* Create a subimage of the current view in the size
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259 | * of the bounding box of the current paint event */
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260 | CGRect ir = ::darwinToCGRect(aEvent->rect());
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261 | CGRect is = CGRectMake(CGRectGetMinX(ir), CGRectGetMinY(ir), CGRectGetWidth(ir), CGRectGetHeight(ir));
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262 |
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263 | double iw = 1.0;
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264 | double ih = 1.0;
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265 | CGImageRef subImage = 0;
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266 | if (!m_pMachineView->pauseShot().isNull())
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267 | {
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268 | /* The pause image is already scaled. Maybe we should change that,
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269 | * to have a more uniform behavior and the different
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270 | * implementations use there own scaling algorithm. */
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271 | CGImageRef pauseImg = ::darwinToCGImageRef(&m_pMachineView->pauseShot());
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272 | subImage = CGImageCreateWithImageInRect(pauseImg, is);
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273 | CGImageRelease(pauseImg);
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274 | }
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275 | else
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276 | {
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277 | /* Scale all values needed for the image drawing. */
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278 | iw = (double)CGImageGetWidth(m_image) / m_scaledSize.width();
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279 | ih = (double)CGImageGetHeight(m_image) / m_scaledSize.height();
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280 | /* We make sure the image is always bigger than requested to
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281 | * compensate rounding errors. */
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282 | /* Round down */
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283 | is.origin.x = (int)(is.origin.x * iw);
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284 | is.origin.y = (int)(is.origin.y * ih);
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285 | /* Round up */
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286 | is.size.width = (int)(is.size.width * iw) + 2;
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287 | is.size.height = (int)(is.size.height * ih) + 2;
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288 | /* Make sure the size is within the image boundaries */
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289 | CGRect is1 = CGRectIntersection(is, CGRectMake(0, 0, CGImageGetWidth(m_image), CGImageGetHeight(m_image)));
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290 | /* Cause we probably changed the rectangle to update in the origin
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291 | * coordinate system, we have to recalculate the update rectangle
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292 | * for the screen coordinates as well. Please note that this has to
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293 | * be in double precision. */
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294 | ir.origin.x = is1.origin.x / iw;
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295 | ir.origin.y = is1.origin.y / ih;
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296 | ir.size.width = is1.size.width / iw;
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297 | ir.size.height = is1.size.height / ih;
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298 | /* Create the sub image. Note: The copy step is necessary otherwise
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299 | * strange things happens especially on Snow Leopard. No idea why. */
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300 | CGImageRef tmpImage = CGImageCreateWithImageInRect(m_image, is1);
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301 | subImage = CGImageCreateCopy(tmpImage);
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302 | CGImageRelease(tmpImage);
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303 | }
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304 | if (subImage)
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305 | {
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306 | /* For more performance we set a clipping path of the regions given
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307 | * by this paint event. */
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308 | QVector<QRect> a = aEvent->region().rects();
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309 | if (!a.isEmpty())
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310 | {
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311 | CGContextBeginPath(ctx);
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312 | /* Add all region rects to the current context as path components */
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313 | for (int i = 0; i < a.size(); ++i)
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314 | CGContextAddRect(ctx, ::darwinFlipCGRect(::darwinToCGRect(a.at(i)), CGRectGetHeight(viewRect)));
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315 | /* Now convert the path to a clipping path. */
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316 | CGContextClip(ctx);
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317 | }
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318 | /* In any case clip the drawing to the view window */
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319 | CGContextClipToRect(ctx, viewRect);
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320 | /* Turn the high interpolation quality on. */
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321 | CGContextSetInterpolationQuality(ctx, kCGInterpolationHigh);
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322 | /* Draw the image. */
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323 | CGContextDrawImage(ctx, ::darwinFlipCGRect(ir, CGRectGetHeight(viewRect)), subImage);
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324 | CGImageRelease(subImage);
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325 | }
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326 | }
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327 | else
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328 | {
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329 | /* Here we paint if we didn't care about any masks */
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330 |
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331 | /* Create a subimage of the current view in the size
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332 | * of the bounding box of the current paint event */
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333 | QRect ir = aEvent->rect();
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334 | QRect is = QRect(ir.x() + m_pMachineView->contentsX(), ir.y() + m_pMachineView->contentsY(), ir.width(), ir.height());
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335 | CGImageRef subImage = 0;
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336 | if (!m_pMachineView->pauseShot().isNull())
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337 | {
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338 | CGImageRef pauseImg = ::darwinToCGImageRef(&m_pMachineView->pauseShot());
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339 | subImage = CGImageCreateWithImageInRect(pauseImg, ::darwinToCGRect(is));
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340 | CGImageRelease(pauseImg);
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341 | }
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342 | else
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343 | {
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344 | #ifdef RT_ARCH_AMD64
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345 | /* Not sure who to blame, but it seems on 64bit there goes
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346 | * something terrible wrong (on a second monitor) when directly
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347 | * using CGImageCreateWithImageInRect without making a copy. We saw
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348 | * something like this already with the scale mode. */
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349 | CGImageRef tmpImage = CGImageCreateWithImageInRect(m_image, ::darwinToCGRect(is));
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350 | subImage = CGImageCreateCopy(tmpImage);
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351 | CGImageRelease(tmpImage);
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352 | #else
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353 | subImage = CGImageCreateWithImageInRect(m_image, ::darwinToCGRect(is));
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354 | #endif
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355 | }
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356 | if (subImage)
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357 | {
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358 | /* Ok, for more performance we set a clipping path of the
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359 | * regions given by this paint event. */
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360 | QVector<QRect> a = aEvent->region().rects();
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361 | if (!a.isEmpty())
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362 | {
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363 | CGContextBeginPath (ctx);
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364 | /* Add all region rects to the current context as path components */
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365 | for (int i = 0; i < a.size(); ++i)
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366 | CGContextAddRect(ctx, ::darwinFlipCGRect(::darwinToCGRect(a[i]), viewRect.size.height));
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367 | /* Now convert the path to a clipping path. */
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368 | CGContextClip(ctx);
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369 | }
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370 |
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371 | /* In any case clip the drawing to the view window */
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372 | CGContextClipToRect(ctx, viewRect);
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373 |
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374 | /* At this point draw the real vm image */
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375 | CGContextDrawImage(ctx, ::darwinFlipCGRect(::darwinToCGRect(ir), viewRect.size.height), subImage);
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376 | CGImageRelease(subImage);
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377 | }
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378 | }
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379 | }
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380 |
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381 | void UIFrameBufferQuartz2D::resizeEvent(UIResizeEvent *aEvent)
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382 | {
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383 | #if 0
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384 | printf ("fmt=%lu, vram=%X, bpp=%lu, bpl=%lu, width=%lu, height=%lu\n",
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385 | aEvent->pixelFormat(), (unsigned int)aEvent->VRAM(),
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386 | aEvent->bitsPerPixel(), aEvent->bytesPerLine(),
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387 | aEvent->width(), aEvent->height());
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388 | #endif
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389 |
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390 | /* Clean out old stuff */
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391 | clean();
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392 |
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393 | m_width = aEvent->width();
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394 | m_height = aEvent->height();
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395 |
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396 | bool remind = false;
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397 |
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398 | /* We need a color space in any case */
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399 | CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
|
---|
400 | /* Check if we support the pixel format/colordepth and can use the guest VRAM directly.
|
---|
401 | * Mac OS X supports 16 bit also but not in the 565 mode. So we could use
|
---|
402 | * 32 bit only. */
|
---|
403 | if ( aEvent->pixelFormat() == FramebufferPixelFormat_FOURCC_RGB
|
---|
404 | && aEvent->bitsPerPixel() == 32)
|
---|
405 | {
|
---|
406 | // printf ("VRAM\n");
|
---|
407 | /* Create the image copy of the framebuffer */
|
---|
408 | CGDataProviderRef dp = CGDataProviderCreateWithData(NULL, aEvent->VRAM(), aEvent->bytesPerLine() * m_height, NULL);
|
---|
409 | m_image = CGImageCreate(m_width, m_height, 8, aEvent->bitsPerPixel(), aEvent->bytesPerLine(), cs,
|
---|
410 | kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Little, dp, 0, false,
|
---|
411 | kCGRenderingIntentDefault);
|
---|
412 | m_pDataAddress = aEvent->VRAM();
|
---|
413 | CGDataProviderRelease (dp);
|
---|
414 | }
|
---|
415 | else
|
---|
416 | {
|
---|
417 | remind = true;
|
---|
418 | // printf ("No VRAM\n");
|
---|
419 | /* Create the memory we need for our image copy
|
---|
420 | * Read somewhere that an alignment of 16 is
|
---|
421 | * best for optimal performance. So why not. */
|
---|
422 | // int bitmapBytesPerRow = RT_ALIGN (m_width * 4, 16);
|
---|
423 | int bitmapBytesPerRow = m_width * 4;
|
---|
424 | int bitmapByteCount = (bitmapBytesPerRow * m_height);
|
---|
425 | m_pBitmapData = RTMemAllocZ(bitmapByteCount);
|
---|
426 | CGDataProviderRef dp = CGDataProviderCreateWithData(NULL, m_pBitmapData, bitmapByteCount, NULL);
|
---|
427 | m_image = CGImageCreate(m_width, m_height, 8, 32, bitmapBytesPerRow, cs,
|
---|
428 | kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Little, dp, 0, false,
|
---|
429 | kCGRenderingIntentDefault);
|
---|
430 | m_pDataAddress = static_cast<uchar*>(m_pBitmapData);
|
---|
431 | CGDataProviderRelease(dp);
|
---|
432 | }
|
---|
433 | CGColorSpaceRelease(cs);
|
---|
434 | #ifdef VBOX_WITH_ICHAT_THEATER
|
---|
435 | setImageRef(m_image);
|
---|
436 | #endif
|
---|
437 |
|
---|
438 | // if (remind)
|
---|
439 | // vboxProblem().remindAboutWrongColorDepth(aEvent->bitsPerPixel(), 32);
|
---|
440 | }
|
---|
441 |
|
---|
442 | void UIFrameBufferQuartz2D::clean()
|
---|
443 | {
|
---|
444 | if (m_image)
|
---|
445 | {
|
---|
446 | CGImageRelease(m_image);
|
---|
447 | m_image = NULL;
|
---|
448 | }
|
---|
449 | if (m_pBitmapData)
|
---|
450 | {
|
---|
451 | RTMemFree(m_pBitmapData);
|
---|
452 | m_pBitmapData = NULL;
|
---|
453 | }
|
---|
454 | if (mRegion)
|
---|
455 | {
|
---|
456 | RTMemFree((void *)mRegion);
|
---|
457 | mRegion = NULL;
|
---|
458 | }
|
---|
459 | if (mRegionUnused)
|
---|
460 | {
|
---|
461 | RTMemFree((void *)mRegionUnused);
|
---|
462 | mRegionUnused = NULL;
|
---|
463 | }
|
---|
464 | }
|
---|
465 |
|
---|
466 | #ifdef VBOX_WITH_VIDEOHWACCEL
|
---|
467 | void UIFrameBufferQuartz2D::setView(UIMachineView *pView)
|
---|
468 | {
|
---|
469 | if (pView)
|
---|
470 | m_pMachineLogic = pView->machineLogic();
|
---|
471 |
|
---|
472 | UIFrameBuffer::setView(pView);
|
---|
473 | }
|
---|
474 | #endif
|
---|
475 |
|
---|
476 | #endif /* defined (VBOX_GUI_USE_QUARTZ2D) */
|
---|
477 |
|
---|