wehub-resource-sync
127 lines
5.5 KiB
C#
127 lines
5.5 KiB
C#
#nullable enable
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using System.Diagnostics;
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using System.IO;
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using System.Runtime.InteropServices;
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using ImGuiNET;
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using SilkWindows;
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using T3.Core.Resource;
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using T3.Editor.App;
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using T3.Editor.Gui;
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using T3.Editor.Gui.Styling;
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using T3.Editor.Gui.UiHelpers;
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namespace T3.Editor.UiContentDrawing;
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internal static class UiContentUpdate
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{
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public static void SetupResourcesAndFontsWithScaling()
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{
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if (_hasSetScaling && Math.Abs(UserSettings.Config.UiScaleFactor - _lastUiScale) <= 0.005f)
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return;
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Log.Debug("Setup editor resources...");
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// Prevent scale factor from being "actually" 0.0
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if (UserSettings.Config.UiScaleFactor < 0.1f)
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UserSettings.Config.UiScaleFactor = 0.1f;
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// Update font atlas texture if UI-Scale changed
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GenerateFontsWithScaleFactor(UserSettings.Config.UiScaleFactor);
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Program.UiContentContentDrawer?.CreateDeviceObjectsAndFonts();
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_lastUiScale = UserSettings.Config.UiScaleFactor;
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_hasSetScaling = true;
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}
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private static void GenerateFontsWithScaleFactor(float scaleFactor)
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{
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// See https://stackoverflow.com/a/5977638
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var displayScaleFactor = ProgramWindows.Main.GetDpi().X / 96f;
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var dpiAwareScale = scaleFactor * displayScaleFactor;
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T3Ui.UiScaleFactor = dpiAwareScale;
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var fontAtlasPtr = ImGui.GetIO().Fonts;
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fontAtlasPtr.Clear();
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const string fontName = "Inter";
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var rootFilePath = Path.Combine(SharedResources.EditorResourcesDirectory, SharedResources.EditorResourcesDirectory, "fonts", fontName + '-');
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const string fileExtension = ".ttf";
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var format = $"{rootFilePath}{{0}}{fileExtension}";
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var normalFont = new TtfFont(string.Format(format, "Regular"), 18f * dpiAwareScale);
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var boldFont = new TtfFont(string.Format(format, "SemiBold"), 18f * dpiAwareScale);
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var smallFont = new TtfFont(string.Format(format, "Regular"), 14f * dpiAwareScale);
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var largeFont = new TtfFont(string.Format(format, "Light"), 30f * dpiAwareScale);
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var ranges = GetExtendedGlyphRanges();
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Fonts.FontNormal = fontAtlasPtr.AddFontFromFileTTF(normalFont.Path, normalFont.PixelSize, default, ranges);
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Fonts.FontBold = fontAtlasPtr.AddFontFromFileTTF(boldFont.Path, boldFont.PixelSize, default, ranges);
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Fonts.FontSmall = fontAtlasPtr.AddFontFromFileTTF(smallFont.Path, smallFont.PixelSize, default, ranges);
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Fonts.FontLarge = fontAtlasPtr.AddFontFromFileTTF(largeFont.Path, largeFont.PixelSize, default, ranges);
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var codeFontPath = Path.Combine(SharedResources.EditorResourcesDirectory, SharedResources.EditorResourcesDirectory,"fonts", "JetBrainsMono-Regular.ttf");
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var codeFont = new TtfFont(codeFontPath, 18f * dpiAwareScale);
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Fonts.Code = fontAtlasPtr.AddFontFromFileTTF(codeFont.Path, codeFont.PixelSize, default, ranges);
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ImGuiWindowService.Instance.SetFonts(new FontPack(normalFont, boldFont, smallFont, largeFont));
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}
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/// <summary>
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/// Extended glyph ranges for the editor's TTF fonts. Default ImGui only
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/// rasterizes 0x0020-0x00FF (basic Latin); we additionally pull in common
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/// punctuation used by the markdown renderer (bullet •, dashes – —, smart
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/// quotes ' ' " ", ellipsis …), arrows (→ ← ↑ ↓), miscellaneous symbols
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/// (warning ⚠, gear ⚙), and dingbats (check ✓, cross ✗).
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///
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/// The returned pointer references a static, GC-pinned array — ImGui only
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/// reads from it during atlas Build(), so the pin can live for the
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/// process lifetime.
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/// </summary>
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private static IntPtr GetExtendedGlyphRanges()
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{
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if (_glyphRangesPtr != IntPtr.Zero)
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return _glyphRangesPtr;
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// Pairs of (first, last), terminated with 0.
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_extendedGlyphRanges = new ushort[]
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{
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0x0020, 0x00FF, // Basic Latin + Latin Supplement
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0x2010, 0x205E, // General punctuation
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0x2190, // ←
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0x21FF, // ⇿
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0x2192, // → Right arrow
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0x2600, 0x26FF, // Miscellaneous symbols (⚠ ⚙ ☆ …)
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0x2700, 0x27BF, // Dingbats (✓ ✗ ✱ …)
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0,
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};
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_glyphRangesHandle = GCHandle.Alloc(_extendedGlyphRanges, GCHandleType.Pinned);
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_glyphRangesPtr = _glyphRangesHandle.AddrOfPinnedObject();
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return _glyphRangesPtr;
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}
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private static ushort[]? _extendedGlyphRanges;
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private static GCHandle _glyphRangesHandle;
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private static IntPtr _glyphRangesPtr;
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private static long _lastElapsedTicks;
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private static readonly Stopwatch _stopwatch = new();
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private static float _lastUiScale = 1;
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private static bool _hasSetScaling;
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public static void StartMeasureFrame()
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{
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_stopwatch.Start();
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_lastElapsedTicks = _stopwatch.ElapsedTicks;
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}
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public static void TakeMeasurement()
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{
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Int64 ticks = _stopwatch.ElapsedTicks;
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Int64 ticksDiff = ticks - _lastElapsedTicks;
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_lastElapsedTicks = ticks;
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ImGui.GetIO().DeltaTime = (float)((double)(ticksDiff) / Stopwatch.Frequency);
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}
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} |