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fix(flutter): size unzoomed remote cursors to the local system

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This commit is contained in:
fufesou
2026-09-11 16:02:52 +08:00
parent 67b94c7906
commit 39940b717a
3 changed files with 108 additions and 10 deletions
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23
flutter/lib/models/model.dart
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@@ -39,6 +39,7 @@ import 'package:vector_math/vector_math.dart' show Vector2;
import '../common.dart';
import '../utils/image.dart' as img;
import '../utils/cursor_size.dart';
import '../common/widgets/dialog.dart';
import 'input_model.dart';
import 'platform_model.dart';
@@ -2863,6 +2864,8 @@ class CursorData {
double hoty;
final int width;
final int height;
double? localSize;
late final int _visibleSize = cursorVisibleSize(image);
CursorData({
required this.peerId,
@@ -2886,14 +2889,18 @@ class CursorData {
int _scaledDimension(int dimension, double scale) {
const minBitmapSize = 1;
final pixels = dimension * scale;
return _usesLogicalCursorPixels
return _usesLogicalCursorPixels || localSize != null
? max(minBitmapSize, pixels.round())
: pixels.toInt();
}
double _checkUpdateScale(double scale) {
double oldScale = this.scale;
if (scale != 1.0) {
if (localSize != null) {
scale = _visibleSize == 0
? 1.0
: max(localSize!, kMinCursorSize) / _visibleSize;
} else if (scale != 1.0) {
// Update data if scale changed.
final tgtWidth = (width * scale).toInt();
final tgtHeight = (height * scale).toInt();
@@ -2904,13 +2911,17 @@ class CursorData {
}
}
if (_doubleToInt(oldScale) != _doubleToInt(scale)) {
const bytesPerPixel = 4;
final byteLength = _scaledDimension(width, scale) *
_scaledDimension(height, scale) * bytesPerPixel;
if (_doubleToInt(oldScale) != _doubleToInt(scale) ||
(isWindows && data != null && data!.length != byteLength)) {
if (isWindows) {
data = img2
.copyResize(
image,
width: (width * scale).toInt(),
height: (height * scale).toInt(),
width: _scaledDimension(width, scale),
height: _scaledDimension(height, scale),
interpolation: img2.Interpolation.average,
)
.getBytes(order: img2.ChannelOrder.bgra);
@@ -2936,7 +2947,7 @@ class CursorData {
String updateGetKey(double scale) {
scale = _checkUpdateScale(scale);
return '${peerId}_${id}_${_doubleToInt(width * scale)}_${_doubleToInt(height * scale)}';
return '${peerId}_${id}_${_doubleToInt(width * scale)}_${_doubleToInt(height * scale)}${localSize == null ? '' : '_local'}';
}
}