fix: custom scale, dpi (rustdesk#13197)

fufesou · web-flow · commit 6a0da9cf09b8 · 2025-10-18T00:35:43.000+08:00
Signed-off-by: fufesou &lt;linlong1266@gmail.com&gt;
diff --git a/flutter/lib/models/model.dart b/flutter/lib/models/model.dart
@@ -1927,8 +1927,12 @@ class CanvasModel with ChangeNotifier {
     }
 
     _devicePixelRatio = ui.window.devicePixelRatio;
-    if (kIgnoreDpi && style == kRemoteViewStyleOriginal) {
-      _scale = 1.0 / _devicePixelRatio;
+    if (kIgnoreDpi) {
+      if (style == kRemoteViewStyleOriginal) {
+        _scale = 1.0 / _devicePixelRatio;
+      } else if (_scale != 0 && style == kRemoteViewStyleCustom) {
+        _scale /= _devicePixelRatio;
+      }
     }
     _resetCanvasOffset(displayWidth, displayHeight);
     final overflow = _x < 0 || y < 0;

Original file line number	Diff line number	Diff line change
`@@ -1927,8 +1927,12 @@ class CanvasModel with ChangeNotifier {`
`1927`	`1927`	`}`
`1928`	`1928`
`1929`	`1929`	`_devicePixelRatio = ui.window.devicePixelRatio;`
`1930`		`- if (kIgnoreDpi && style == kRemoteViewStyleOriginal) {`
`1931`		`- _scale = 1.0 / _devicePixelRatio;`
	`1930`	`+ if (kIgnoreDpi) {`
	`1931`	`+ if (style == kRemoteViewStyleOriginal) {`
	`1932`	`+ _scale = 1.0 / _devicePixelRatio;`
	`1933`	`+ } else if (_scale != 0 && style == kRemoteViewStyleCustom) {`
	`1934`	`+ _scale /= _devicePixelRatio;`
	`1935`	`+ }`
`1932`	`1936`	`}`
`1933`	`1937`	`_resetCanvasOffset(displayWidth, displayHeight);`
`1934`	`1938`	`final overflow = _x < 0 \|\| y < 0;`