Default Transform scaling Nearest, zoom speed 1.75 (#510)

docs/architecture/05-transform-engine.md

@@ -226,7 +226,7 @@ Defences (wall arming in `RunTick`'s `ReadForegroundAndArmWall`, write clamp in
 
 DWM magnifies with nearest neighbour unless something calls
 `MagSetFullscreenUseBitmapSmoothing` (Magnification.dll, undocumented, resolved BY NAME).
-`txSamplingMode`: 0 nearest, 1 smooth (default since #508).
+`txSamplingMode`: 0 nearest (default), 1 smooth.
 
 - Until 0.24.0 it was resolved by ordinal 1, which does not exist (the export ordinals start at
   100), so Wind never set the filter: the image showed whatever state another process had left.

docs/architecture/08-config-profiles.md

@@ -198,7 +198,7 @@ Every key works in the ini whether or not Settings shows it. Keys hot-reload unl
 
 | Keys | Meaning |
 |---|---|
-| `maxLevel` (30), `zoomInSpeed` and `zoomOutSpeed` (1.5), `zoomEaseOutMs` (115), `smoothZoom*` | Range and feel of the zoom |
+| `maxLevel` (30), `zoomInSpeed` and `zoomOutSpeed` (1.75), `zoomEaseOutMs` (115), `smoothZoom*` | Range and feel of the zoom |
 | `cursorSensitivity` (1.0), `panSpeed` (1.0), `panGlideMaxPx` (0) | Mouse and arrow-key pan speed; the pan glide's distance, which also sets its ease (#430, #434) |
 | `gameCursorLagMs` (-1) | How late the view follows the pointer while a full-screen game hides it and draws its own cursor; -1 = one display frame, 0 = off (#443). Ini only |
 | `mouseAlign` (0 centred, 1 within the edges), `mouseMarginPct` | Where the pointer sits while the view moves |
@@ -210,7 +210,7 @@ Every key works in the ini whether or not Settings shows it. Keys hot-reload unl
 
 | Keys | Meaning |
 |---|---|
-| `txSamplingMode` (1) | Transform sampling: 0 nearest, 1 smooth (Settings: Transform scaling, formerly "High resolution cursor", [05](05-transform-engine.md)) |
+| `txSamplingMode` (0) | Transform sampling: 0 nearest, 1 smooth (Settings: Transform scaling, formerly "High resolution cursor", [05](05-transform-engine.md)) |
 | `edgeClip` (1, hot) | While a transform session is zoomed, clips the pointer 1 px inside the monitor's left and top edges so it cannot rest on the contested outermost pixel (cursor-shape flicker there). The right and bottom stay open so the cursor can slide off the screen, as at 1x. A tighter existing clip (game confine, Inspect) always wins; 0 turns it off. Rationale: `Config::edgeClip` in `src/config/config.h`, mechanics in `TransformModel::edgeClipManage` |
 | `renderScaling` (0), `upscaleTiming` (0) | Render engine scaling: 0 nearest, 1 xBR, 2 NVIDIA Image Scaling (Settings: Render scaling, [04](04-render-engine.md)); `bilinear` is retired and only migrates (0 keeps nearest). `upscaleTiming=1` logs the filter's GPU time |
 | `sharpness`, `brightness`, `hdrTonemap` (1) | Render engine image |

src/config/config.cpp

@@ -526,9 +526,9 @@ std::string DefaultIniText() {
                "panUpVk=0\npanUpMods=0\npanDownVk=0\npanDownMods=0\npanSpeed=1.0\n"
                "; maxLevel: how far you can zoom (does not affect zoom speed)\n"
                "maxLevel=30.0\n"
-               "; zoomInSpeed/zoomOutSpeed: zoom rate multipliers (1.5=default, 3.0=twice as fast, 0.75=half);\n"
+               "; zoomInSpeed/zoomOutSpeed: zoom rate multipliers (1.75=default, 3.5=twice as fast, 0.875=half);\n"
                ";   speed is independent of maxLevel\n"
-               "zoomInSpeed=1.5\nzoomOutSpeed=1.5\n"
+               "zoomInSpeed=1.75\nzoomOutSpeed=1.75\n"
                "; smoothZoom: 0=linear constant speed; 1=zoom-IN soft-starts, easing up to linear (shipped on)\n"
                "smoothZoom=1\n"
                "; smoothZoomAccel: ease-in depth - zoom-in starts at zoomInSpeed/this and climbs to\n"

src/config/config.h

@@ -66,8 +66,8 @@ struct Config {
     // --- Zoom experience (see docs/specs/2026-05-26-configurable-zoom-design.md) ---
     // Per-direction rate multipliers (1.0 = default speed); apply in BOTH linear and smooth modes.
     // Speed is independent of maxLevel (a fixed doublings/sec base inside ZoomController).
-    double zoomInSpeed  = 1.5;       // 0.25-4.0
-    double zoomOutSpeed = 1.5;       // 0.25-4.0
+    double zoomInSpeed  = 1.75;      // 0.25-4.0
+    double zoomOutSpeed = 1.75;      // 0.25-4.0
     int    zoomTrace    = 0;         // 1 = log a zoom-in/zoom-out timeline per zoom (#310, diagnostics)
     // Hitch recorder (#361): log every long zoomed frame with its classified cause, plus a
     // per-minute summary. On by default: the record costs ~0.5 us per tick and logs nothing on a
@@ -210,7 +210,7 @@ struct Config {
     // to come and go between builds; it is re-applied per magnification context. KNOWN
     // INTERACTION: the 1px warm pulse (txWarmMode=1) puts the view 1px off-true on rest ticks;
     // nearest masks that as sub-block noise, smoothing can render it as visible shaking.
-    int txSamplingMode = 1;
+    int txSamplingMode = 0;   // nearest (owner pick 2026-10-24, #510)
     // MPO buster (issue #191, hot): 1 (default) = during transform GAME sessions on MPO-ENABLED
     // machines, show a fullscreen alpha-1 click-through ghost that demotes the game off its
     // hardware overlay plane - off the plane there is no 16-bit translation field to overflow,

src/tray_app/flyout_model.h

@@ -204,8 +204,8 @@ inline const SliderSpec* SliderSpecs(int* count) {
         { "colorWarmPct",   L"Warmth",         0,    100,  0,    ValueFmt::Percent,  "warm", 5 },
         { "colorDimPct",    L"Brightness",     1,    100,  100,  ValueFmt::Percent,  "bright", 1 },
         { "maxLevel",       L"Max zoom",       2,    30,   30,   ValueFmt::TimesInt, "maxz", 1 },
-        { "zoomInSpeed",    L"Zoom-in speed",  0.25, 4,    1.5,  ValueFmt::Times2,   "zin", 0.05 },
-        { "zoomOutSpeed",   L"Zoom-out speed", 0.25, 4,    1.5,  ValueFmt::Times2,   "zout", 0.05 },
+        { "zoomInSpeed",    L"Zoom-in speed",  0.25, 4,    1.75, ValueFmt::Times2,   "zin", 0.05 },
+        { "zoomOutSpeed",   L"Zoom-out speed", 0.25, 4,    1.75, ValueFmt::Times2,   "zout", 0.05 },
         { "panSpeed",       L"Arrow key speed", 0.25, 4,    1,    ValueFmt::Times2,   "pan", 0.05 },
         { "panGlideMaxPx",  L"Pan glide",      0,    200,  0,    ValueFmt::Pixels,   "smooth", 5 },
         { "zoomEaseOutMs",  L"Release glide",  0,    300,  115,  ValueFmt::Millis,   "glide", 5 },

tests/fixtures/config_defaults.txt

@@ -49,8 +49,8 @@ panKeysOn	-	-	1
 hideCursorOn	-	-	1
 cursorLockOn	-	-	1
 maxLevel	1	30	30
-zoomInSpeed	0.25	4	1.5
-zoomOutSpeed	0.25	4	1.5
+zoomInSpeed	0.25	4	1.75
+zoomOutSpeed	0.25	4	1.75
 smoothZoom	-	-	1
 smoothZoomAccel	1	8	3
 smoothZoomRamp	0.1	3	0.6
@@ -96,7 +96,7 @@ mouseMarginPct	0	40	0
 trackLog	-	-	0
 ixDecimate	1	16	4
 mpoBuster	-	-	1
-txSamplingMode	-	-	1
+txSamplingMode	-	-	0
 txWarmMode	0	1	1
 txTrace	-	-	0
 txRestLevel	1	1.01	1

tests/test_config.cpp

@@ -7,7 +7,7 @@ TEST_CASE("defaults when text is empty") {
     Config c = ParseConfig("");
     CHECK(c.zoomInButton  == 0);   // shipped unbound (onboarding captures it)
     CHECK(c.zoomOutButton == 0);   // shipped unbound
-    CHECK(c.maxLevel == doctest::Approx(30.0));   // owner pick (#508)
+    CHECK(c.maxLevel == doctest::Approx(30.0));   // owner pick (#508, #510)
     CHECK(c.diagnostics == 0);
     // Ramp step cap ships ON (issue #219): uncapped, ~15% of high-level zoom-ins stall 35-43ms
     // then snap 1.2-1.9 levels; capped at 2.5%/tick every measured ramp was even. 0 would
@@ -81,8 +81,8 @@ TEST_CASE("renderer knobs have sane defaults") {
     CHECK(c.multiMonitor == 1);                // follows the cursor's monitor (#508)
     CHECK(c.cropCapture == 0);                 // shipped off: always copy all changed regions (no edge staleness)
     CHECK(c.smoothZoom == 1);                  // shipped on (eased-in zoom)
-    CHECK(c.zoomInSpeed == doctest::Approx(1.5));   // owner pick (#508)
-    CHECK(c.zoomOutSpeed == doctest::Approx(1.5));
+    CHECK(c.zoomInSpeed == doctest::Approx(1.75));   // owner pick (#508, #510)
+    CHECK(c.zoomOutSpeed == doctest::Approx(1.75));
     CHECK(c.zoomEaseOutMs == 115);
     CHECK(c.smoothZoomAccel == doctest::Approx(3.0));
     CHECK(c.smoothZoomRamp == doctest::Approx(0.6));
@@ -174,7 +174,7 @@ TEST_CASE("parses overrides and ignores comments/blank lines") {
     CHECK(c.maxLevel == doctest::Approx(12.5));
     CHECK(c.zoomInButton == 1);
     CHECK(c.cursorSensitivity == doctest::Approx(0.5));
-    CHECK(c.zoomInSpeed == doctest::Approx(1.5)); // untouched default
+    CHECK(c.zoomInSpeed == doctest::Approx(1.75)); // untouched default
 }
 TEST_CASE("malformed lines are ignored, keep defaults") {
     Config c = ParseConfig("garbage line\nmaxLevel\n=5\n");
@@ -640,7 +640,7 @@ TEST_CASE("the first-run ini carries the new keys and parses to the struct defau
 }
 
 TEST_CASE("txSamplingMode folds the nearest aliases 2..4 to 0 (review 2026-10-09 #23)") {
-    CHECK(ParseConfig("").txSamplingMode == 1);   // Smooth by default (#508)
+    CHECK(ParseConfig("").txSamplingMode == 0);   // Nearest by default (#510)
     CHECK(ParseConfig("txSamplingMode=0\n").txSamplingMode == 0);
     CHECK(ParseConfig("txSamplingMode=1\n").txSamplingMode == 1);
     CHECK(ParseConfig("txSamplingMode=-1\n").txSamplingMode == -1);   // leave DWM alone stays valid

tests/test_profiles.cpp

@@ -272,8 +272,8 @@ TEST_CASE("profile names: a device name is reserved with any extension, and the
 TEST_CASE("SessionDiffers: UI keys outside the first-run template read as their built-in default (review #70, #76)") {
     CHECK_FALSE(SessionDiffers("zoomEaseOutMs=115\n", "maxLevel=30\n"));
     CHECK(SessionDiffers("zoomEaseOutMs=100\n", "maxLevel=30\n"));
-    CHECK_FALSE(SessionDiffers("txSamplingMode=1\n", ""));
-    CHECK(SessionDiffers("txSamplingMode=0\n", ""));
+    CHECK_FALSE(SessionDiffers("txSamplingMode=0\n", ""));
+    CHECK(SessionDiffers("txSamplingMode=1\n", ""));
     CHECK_FALSE(SessionDiffers("lockApps=\n", ""));
     CHECK(SessionDiffers("lockApps=game.exe\n", ""));
     // The core's missing-key engine is transform, the template's too; the retired hybrid reads as it.

ui/src/settings-schema.js

@@ -60,8 +60,8 @@ export const groups = [
     cards: [
       { caption: 'Level and speed', rows: [
         { key: 'maxLevel', type: 'slider', label: 'Max zoom', keywords: ['maximum', 'limit', 'highest', 'magnification', 'level', 'cap', 'zoom level', 'factor', 'times', 'upper'], desc: 'The highest zoom level', min: 2, max: 30, step: 1, def: 30.0, unit: 'times' },
-        { key: 'zoomInSpeed', type: 'slider', label: 'Zoom-in speed', keywords: ['faster', 'slower', 'rate', 'magnify speed', 'zoom rate', 'acceleration', 'velocity', 'how fast'], desc: 'How fast the view zooms in', min: 0.25, max: 4, step: 0.05, def: 1.5, unit: 'times' },
-        { key: 'zoomOutSpeed', type: 'slider', label: 'Zoom-out speed', keywords: ['faster', 'slower', 'rate', 'zoom rate', 'velocity', 'how fast'], desc: 'How fast the view zooms out', min: 0.25, max: 4, step: 0.05, def: 1.5, unit: 'times' },
+        { key: 'zoomInSpeed', type: 'slider', label: 'Zoom-in speed', keywords: ['faster', 'slower', 'rate', 'magnify speed', 'zoom rate', 'acceleration', 'velocity', 'how fast'], desc: 'How fast the view zooms in', min: 0.25, max: 4, step: 0.05, def: 1.75, unit: 'times' },
+        { key: 'zoomOutSpeed', type: 'slider', label: 'Zoom-out speed', keywords: ['faster', 'slower', 'rate', 'zoom rate', 'velocity', 'how fast'], desc: 'How fast the view zooms out', min: 0.25, max: 4, step: 0.05, def: 1.75, unit: 'times' },
         { key: 'zoomEaseOutMs', type: 'slider', label: 'Release glide', keywords: ['inertia', 'coast', 'momentum', 'ease out', 'easing', 'smooth stop', 'slow down', 'deceleration', 'stop', 'let go', 'release', 'delay', 'milliseconds'], desc: 'How long the zoom coasts after you let go', min: 0, max: 300, step: 5, def: 115, unit: 'ms' },
       ] },
       { caption: 'Easing', rows: [
@@ -79,7 +79,7 @@ export const groups = [
         // Transform: txSamplingMode, DWM's own filter (0 nearest / 1 smooth = Lanczos, the former High
         // resolution cursor toggle, #227). It applies live (#369) and turning Smooth on asks first (#441).
         { key: 'txSamplingMode', type: 'select', label: 'Transform scaling', tag: 'Experimental', keywords: ['scaling', 'upscaling', 'filter', 'sharp', 'crisp', 'smooth', 'blurry', 'pixelated', 'hidpi', 'sampling', 'quality', 'nearest', 'lanczos', 'bitmap smoothing', 'high resolution cursor', 'mpo', 'overlay', 'cursor', 'pointer', 'resolution', '4k', 'antialiasing'],
-          desc: 'Smooth also sharpens the pointer at high zoom', options: ['0', '1'], optionLabels: { '0': 'Nearest', '1': 'Smooth' }, def: '1',
+          desc: 'Smooth also sharpens the pointer at high zoom', options: ['0', '1'], optionLabels: { '0': 'Nearest', '1': 'Smooth' }, def: '0',
           showIf: { key: 'model', ne: 'render' } },
         // Render: renderScaling (issue #456), the engine's scaling filter: nearest (default, #508), xBR
         // or NVIDIA Image Scaling, picked in the 2026-10-12 upscaler A/B. Applies on the config reload.

ui/tests/scaling-notice.spec.js

@@ -6,7 +6,7 @@ test.beforeEach(async ({ page }) => {
   await page.addInitScript(() => {
     window.__skipSplash = true;
     window.__msgs = [];
-    window.__live = { maxLevel: '12', model: 'transform', txSamplingMode: '0', uiTheme: 'dark' };
+    window.__live = { maxLevel: '12', model: 'transform', uiTheme: 'dark' };
     window.__saved = { ...window.__live };
     const listeners = new Set();
     const send = (data) => listeners.forEach((fn) => fn({ data }));

ui/tests/session.spec.js

@@ -284,7 +284,6 @@ test('a Wind with both engines up switches engine live: no Restart Wind button',
 });
 
 test('Smooth transform scaling applies live: no MPO registry write, no restart prompt (#369)', async ({ page }) => {
-  await page.addInitScript(() => { window.__live.txSamplingMode = '0'; window.__saved.txSamplingMode = '0'; });
   await page.goto('/');
   await go(page, 'zoom');
   const sel = page.locator('[data-key="txSamplingMode"] select');

ui/tests/settings.spec.js

@@ -214,7 +214,6 @@ test('View: the edge margin shows only when the pointer is kept within the edges
 });
 
 test('Smooth transform scaling is tagged Experimental and keeps the release glide (#439)', async ({ page }) => {
-  await page.addInitScript(() => { window.__cfgExtra = { txSamplingMode: '0' }; });
   await page.goto('/');
   await go(page, 'zoom');
   await expect(key(page, 'txSamplingMode').locator('.tag')).toHaveText('Experimental');