| | | 1 | | using System; |
| | | 2 | | using System.Collections.Generic; |
| | | 3 | | |
| | | 4 | | using static Imagini.ErrorHandler; |
| | | 5 | | using static SDL2.SDL_rect; |
| | | 6 | | using static SDL2.SDL_video; |
| | | 7 | | |
| | | 8 | | namespace Imagini |
| | | 9 | | { |
| | | 10 | | /// <summary> |
| | | 11 | | /// Defines a fullscreen display mode. |
| | | 12 | | /// </summary> |
| | | 13 | | public struct DisplayMode |
| | | 14 | | { |
| | | 15 | | internal SDL_DisplayMode _mode; |
| | | 16 | | /// <summary> |
| | | 17 | | /// Fullscreen width. |
| | | 18 | | /// </summary> |
| | | 19 | | public int Width => _mode.w; |
| | | 20 | | /// <summary> |
| | | 21 | | /// Fullscreen height. |
| | | 22 | | /// </summary> |
| | | 23 | | public int Height => _mode.h; |
| | | 24 | | /// <summary> |
| | | 25 | | /// Refresh rate in Hz. |
| | | 26 | | /// </summary> |
| | | 27 | | public int RefreshRate => _mode.refresh_rate; |
| | | 28 | | |
| | | 29 | | internal int displayIndex; |
| | | 30 | | internal int modeIndex; |
| | | 31 | | |
| | | 32 | | public override string ToString() => $"{Width}x{Height} {RefreshRate}Hz (display {displayIndex}, mode {modeIndex |
| | | 33 | | |
| | | 34 | | internal static List<DisplayMode> GetAvailable(int displayIndex) |
| | | 35 | | { |
| | | 36 | | var result = new List<DisplayMode>(); |
| | | 37 | | var numModes = TryGet(() => |
| | | 38 | | SDL_GetNumDisplayModes(displayIndex), |
| | | 39 | | "SDL_GetNumDisplayModes"); |
| | | 40 | | for (var modeIndex = 0; modeIndex < numModes; modeIndex++) |
| | | 41 | | { |
| | | 42 | | var modeData = new SDL_DisplayMode(); |
| | | 43 | | SDL_GetDisplayMode(displayIndex, modeIndex, ref modeData); |
| | | 44 | | result.Add(new DisplayMode() |
| | | 45 | | { |
| | | 46 | | _mode = modeData, |
| | | 47 | | displayIndex = displayIndex, |
| | | 48 | | modeIndex = modeIndex |
| | | 49 | | }); |
| | | 50 | | } |
| | | 51 | | return result; |
| | | 52 | | } |
| | | 53 | | |
| | | 54 | | internal static DisplayMode GetCurrent(int displayIndex) |
| | | 55 | | { |
| | | 56 | | var modeData = new SDL_DisplayMode(); |
| | | 57 | | Try(() => |
| | | 58 | | SDL_GetCurrentDisplayMode(displayIndex, ref modeData), |
| | | 59 | | "SDL_GetCurrentDisplayMode"); |
| | | 60 | | var result = new DisplayMode() |
| | | 61 | | { |
| | | 62 | | _mode = modeData, |
| | | 63 | | displayIndex = displayIndex, |
| | | 64 | | }; |
| | | 65 | | result.modeIndex = DisplayMode |
| | | 66 | | .GetAvailable(displayIndex) |
| | | 67 | | .IndexOf(result); |
| | | 68 | | return result; |
| | | 69 | | } |
| | | 70 | | |
| | | 71 | | internal static DisplayMode GetDesktop(int displayIndex) |
| | | 72 | | { |
| | | 73 | | var modeData = new SDL_DisplayMode(); |
| | | 74 | | Try(() => |
| | | 75 | | SDL_GetDesktopDisplayMode(displayIndex, ref modeData), |
| | | 76 | | "SDL_GetDesktopDisplayMode"); |
| | | 77 | | var result = new DisplayMode() |
| | | 78 | | { |
| | | 79 | | _mode = modeData, |
| | | 80 | | displayIndex = displayIndex, |
| | | 81 | | }; |
| | | 82 | | result.modeIndex = DisplayMode |
| | | 83 | | .GetAvailable(displayIndex) |
| | | 84 | | .IndexOf(result); |
| | | 85 | | return result; |
| | | 86 | | } |
| | | 87 | | } |
| | | 88 | | |
| | | 89 | | /// <summary> |
| | | 90 | | /// Represents a display device. |
| | | 91 | | /// </summary> |
| | | 92 | | public class Display |
| | | 93 | | { |
| | 1 | 94 | | private static List<Display> s_displays = new List<Display>(); |
| | | 95 | | /// <summary> |
| | | 96 | | /// Returns all available display devices. |
| | | 97 | | /// </summary> |
| | 3 | 98 | | public static IReadOnlyList<Display> All => s_displays; |
| | | 99 | | |
| | | 100 | | private int _index; |
| | | 101 | | /// <summary> |
| | | 102 | | /// Returns the available display modes for this display. |
| | | 103 | | /// </summary> |
| | 8 | 104 | | public IEnumerable<DisplayMode> Modes { get; private set; } |
| | | 105 | | /// <summary> |
| | | 106 | | /// Returns the current display mode for this display. |
| | | 107 | | /// </summary> |
| | 5 | 108 | | public DisplayMode CurrentMode { get; set; } |
| | | 109 | | /// <summary> |
| | | 110 | | /// Returns the desktop display mode for this display. |
| | | 111 | | /// </summary> |
| | 5 | 112 | | public DisplayMode DesktopMode { get; set; } |
| | | 113 | | /// <summary> |
| | | 114 | | /// Returns the name of this display device. |
| | | 115 | | /// </summary> |
| | 8 | 116 | | public string Name { get; private set; } |
| | 2 | 117 | | internal SDL_Rect Bounds { get; private set; } |
| | | 118 | | |
| | 2 | 119 | | internal Display(int index) |
| | | 120 | | { |
| | 2 | 121 | | _index = index; |
| | 2 | 122 | | Modes = DisplayMode.GetAvailable(index); |
| | 2 | 123 | | Name = SDL_GetDisplayName(_index); |
| | 2 | 124 | | if (Name == null || Name == "") Name = _index.ToString(); |
| | 2 | 125 | | var bounds = new SDL_Rect(); |
| | 4 | 126 | | Try(() => SDL_GetDisplayBounds(_index, ref bounds), "SDL_GetDisplayBounds"); |
| | 2 | 127 | | Bounds = bounds; |
| | 2 | 128 | | CurrentMode = DisplayMode.GetCurrent(_index); |
| | 2 | 129 | | DesktopMode = DisplayMode.GetDesktop(_index); |
| | 2 | 130 | | } |
| | | 131 | | |
| | | 132 | | internal static void UpdateDisplayInfo() |
| | | 133 | | { |
| | 1 | 134 | | s_displays.Clear(); |
| | 1 | 135 | | var numDisplays = TryGet(SDL_GetNumVideoDisplays, "SDL_GetNumVideoDisplays"); |
| | 6 | 136 | | for (var displayIndex = 0; displayIndex < numDisplays; displayIndex++) |
| | 2 | 137 | | s_displays.Add(new Display(displayIndex)); |
| | 1 | 138 | | } |
| | | 139 | | |
| | | 140 | | internal static int GetCurrentDisplayIndexForWindow(IntPtr window) => |
| | 160 | 141 | | TryGet(() => SDL_GetWindowDisplayIndex(window), "SDL_GetWindowDisplayIndex"); |
| | | 142 | | |
| | | 143 | | internal static Display GetCurrentDisplayForWindow(IntPtr window) => |
| | 2 | 144 | | s_displays[GetCurrentDisplayIndexForWindow(window)]; |
| | | 145 | | |
| | | 146 | | static Display() |
| | | 147 | | { |
| | 1 | 148 | | Lifecycle.TryInitialize(); |
| | 1 | 149 | | UpdateDisplayInfo(); |
| | 1 | 150 | | } |
| | | 151 | | } |
| | | 152 | | } |