コード例 #1
0
        public sealed override bool TryRestoreResolution(DisplayDevice device)
        {
            IntPtr display = HandleTo(device);

            if (storedModes.ContainsKey(display))
            {
                Debug.Print("Restoring resolution.");

                CG.DisplaySwitchToMode(display, storedModes[display]);
                //CG.DisplayRelease(display);
                displaysCaptured.Remove(display);

                return(true);
            }

            return(false);
        }
コード例 #2
0
        public sealed override bool TryChangeResolution(DisplayDevice device, DisplayResolution resolution)
        {
            IntPtr display        = HandleTo(device);
            IntPtr currentModePtr = CG.DisplayCurrentMode(display);

            if (storedModes.ContainsKey(display) == false)
            {
                storedModes.Add(display, currentModePtr);
            }

            IntPtr  displayModesPtr = CG.DisplayAvailableModes(display);
            CFArray displayModes    = new CFArray(displayModesPtr);

            for (int j = 0; j < displayModes.Count; j++)
            {
                CFDictionary dict = new CFDictionary(displayModes[j]);

                int    width  = (int)dict.GetNumberValue("Width");
                int    height = (int)dict.GetNumberValue("Height");
                int    bpp    = (int)dict.GetNumberValue("BitsPerPixel");
                double freq   = dict.GetNumberValue("RefreshRate");

                if (width == resolution.Width && height == resolution.Height && bpp == resolution.BitsPerPixel && System.Math.Abs(freq - resolution.RefreshRate) < 1e-6)
                {
//                    if (displaysCaptured.Contains(display) == false)
//                    {
//                        CG.DisplayCapture(display);
//                    }

                    Debug.Print("Changing resolution to {0}x{1}x{2}@{3}.", width, height, bpp, freq);

                    CG.DisplaySwitchToMode(display, displayModes[j]);

                    return(true);
                }
            }
            return(false);
        }
コード例 #3
0
        public QuartzDisplayDeviceDriver()
        {
            lock (display_lock)
            {
                // To minimize the need to add static methods to osuTK.Graphics.DisplayDevice
                // we only allow settings to be set through its constructor.
                // Thus, we save all necessary parameters in temporary variables
                // and construct the device when every needed detail is available.
                // The main DisplayDevice constructor adds the newly constructed device
                // to the list of available devices.
                const int maxDisplayCount = 20;
                IntPtr[]  displays        = new IntPtr[maxDisplayCount];
                int       displayCount;

                unsafe
                {
                    fixed(IntPtr *displayPtr = displays)
                    {
                        CG.GetActiveDisplayList(maxDisplayCount, displayPtr, out displayCount);
                    }
                }

                Debug.Print("CoreGraphics reported {0} display(s).", displayCount);
                Debug.Indent();

                for (int i = 0; i < displayCount; i++)
                {
                    IntPtr currentDisplay = displays[i];

                    // according to docs, first element in the array is always the
                    // main display.
                    bool primary = (i == 0);

                    // gets current settings
                    int currentWidth  = CG.DisplayPixelsWide(currentDisplay);
                    int currentHeight = CG.DisplayPixelsHigh(currentDisplay);
                    Debug.Print("Display {0} is at  {1}x{2}", i, currentWidth, currentHeight);

                    IntPtr  displayModesPtr = CG.DisplayAvailableModes(currentDisplay);
                    CFArray displayModes    = new CFArray(displayModesPtr);
                    Debug.Print("Supports {0} display modes.", displayModes.Count);

                    DisplayResolution        opentk_dev_current_res   = null;
                    List <DisplayResolution> opentk_dev_available_res = new List <DisplayResolution>();
                    IntPtr       currentModePtr = CG.DisplayCurrentMode(currentDisplay);
                    CFDictionary currentMode    = new CFDictionary(currentModePtr);

                    for (int j = 0; j < displayModes.Count; j++)
                    {
                        CFDictionary dict = new CFDictionary(displayModes[j]);

                        int    width   = (int)dict.GetNumberValue("Width");
                        int    height  = (int)dict.GetNumberValue("Height");
                        int    bpp     = (int)dict.GetNumberValue("BitsPerPixel");
                        double freq    = dict.GetNumberValue("RefreshRate");
                        bool   current = currentMode.Ref == dict.Ref;

                        if (freq <= 0)
                        {
                            IntPtr displayLink;
                            CV.DisplayLinkCreateWithCGDisplay(currentDisplay, out displayLink);

                            CVTime t = CV.DisplayLinkGetNominalOutputVideoRefreshPeriod(displayLink);
                            if ((t.flags & (Int32)CV.TimeFlags.TimeIsIndefinite) != (Int32)CV.TimeFlags.TimeIsIndefinite)
                            {
                                freq = (double)t.timeScale / t.timeValue;
                            }

                            CV.DisplayLinkRelease(displayLink);
                        }

                        //if (current) Debug.Write("  * ");
                        //else Debug.Write("    ");

                        //Debug.Print("Mode {0} is {1}x{2}x{3} @ {4}.", j, width, height, bpp, freq);

                        DisplayResolution thisRes = new DisplayResolution(0, 0, width, height, bpp, (float)freq);
                        opentk_dev_available_res.Add(thisRes);

                        if (current)
                        {
                            opentk_dev_current_res = thisRes;
                        }
                    }

                    NSRect    bounds  = CG.DisplayBounds(currentDisplay);
                    Rectangle newRect = new Rectangle((int)bounds.Location.X, (int)bounds.Location.Y, (int)bounds.Size.Width, (int)bounds.Size.Height);

                    Debug.Print("Display {0} bounds: {1}", i, newRect);

                    DisplayDevice opentk_dev = new DisplayDevice(opentk_dev_current_res,
                                                                 primary, opentk_dev_available_res, newRect, currentDisplay);

                    AvailableDevices.Add(opentk_dev);

                    if (primary)
                    {
                        Primary = opentk_dev;
                    }
                }

                Debug.Unindent();
            }
        }