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Code Issues Actions 3 Packages Projects Releases Wiki Activity

zoom cursor with dpi

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Signed-off-by: fufesou <shuanglongchen@yeah.net>
This commit is contained in:
fufesou 2023-02-02 14:39:58 +08:00
parent d511d1e27a
commit f9e3a3f074
2 changed files with 25 additions and 22 deletions
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32
flutter/lib/desktop/pages/remote_page.dart
View File

@ -399,6 +399,20 @@ class _ImagePaintState extends State<ImagePaint> {
final m = Provider.of<ImageModel>(context);
var c = Provider.of<CanvasModel>(context);
final s = c.scale;
var cursorScale = 1.0;
if (Platform.isWindows) {
// debug win10
final isViewAdaptive = c.viewStyle.style == kRemoteViewStyleAdaptive;
if (zoomCursor.value && isViewAdaptive) {
cursorScale = s * c.devicePixelRatio;
}
} else {
final isViewOriginal = c.viewStyle.style == kRemoteViewStyleOriginal;
if (zoomCursor.value || isViewOriginal) {
cursorScale = s;
}
}
mouseRegion({child}) => Obx(() => MouseRegion(
cursor: cursorOverImage.isTrue
@ -414,10 +428,10 @@ class _ImagePaintState extends State<ImagePaint> {
_lastRemoteCursorMoved = false;
_firstEnterImage.value = true;
}
return _buildCustomCursor(context, s);
return _buildCustomCursor(context, cursorScale);
}
}())
: _buildDisabledCursor(context, s)
: _buildDisabledCursor(context, cursorScale)
: MouseCursor.defer,
onHover: (evt) {},
child: child));
@ -466,19 +480,7 @@ class _ImagePaintState extends State<ImagePaint> {
if (cache == null) {
return MouseCursor.defer;
} else {
bool shouldScale = false;
if (Platform.isWindows) {
final isViewAdaptive =
Provider.of<CanvasModel>(context, listen: false).viewStyle.style ==
kRemoteViewStyleAdaptive;
shouldScale = zoomCursor.value && isViewAdaptive;
} else {
final isViewOriginal =
Provider.of<CanvasModel>(context, listen: false).viewStyle.style ==
kRemoteViewStyleOriginal;
shouldScale = zoomCursor.value || isViewOriginal;
}
final key = cache.updateGetKey(scale, shouldScale);
final key = cache.updateGetKey(scale);
if (!cursor.cachedKeys.contains(key)) {
debugPrint("Register custom cursor with key $key");
// [Safety]

15
flutter/lib/models/model.dart
View File

@ -540,6 +540,7 @@ class CanvasModel with ChangeNotifier {
double _y = 0;
// image scale
double _scale = 1.0;
double _devicePixelRatio = 1.0;
Size _size = Size.zero;
// the tabbar over the image
// double tabBarHeight = 0.0;
@ -563,6 +564,7 @@ class CanvasModel with ChangeNotifier {
double get x => _x;
double get y => _y;
double get scale => _scale;
double get devicePixelRatio => _devicePixelRatio;
Size get size => _size;
ScrollStyle get scrollStyle => _scrollStyle;
ViewStyle get viewStyle => _lastViewStyle;
@ -611,8 +613,9 @@ class CanvasModel with ChangeNotifier {
_lastViewStyle = viewStyle;
_scale = viewStyle.scale;
_devicePixelRatio = ui.window.devicePixelRatio;
if (kIgnoreDpi && style == kRemoteViewStyleOriginal) {
_scale = 1.0 / ui.window.devicePixelRatio;
_scale = 1.0 / _devicePixelRatio;
}
_x = (size.width - displayWidth * _scale) / 2;
_y = (size.height - displayHeight * _scale) / 2;
@ -772,11 +775,9 @@ class CursorData {
int _doubleToInt(double v) => (v * 10e6).round().toInt();
double _checkUpdateScale(double scale, bool shouldScale) {
double _checkUpdateScale(double scale) {
double oldScale = this.scale;
if (!shouldScale) {
scale = 1.0;
} else {
if (scale != 1.0) {
// Update data if scale changed.
final tgtWidth = (width * scale).toInt();
final tgtHeight = (width * scale).toInt();
@ -817,8 +818,8 @@ class CursorData {
return scale;
}
String updateGetKey(double scale, bool shouldScale) {
scale = _checkUpdateScale(scale, shouldScale);
String updateGetKey(double scale) {
scale = _checkUpdateScale(scale);
return '${peerId}_${id}_${_doubleToInt(width * scale)}_${_doubleToInt(height * scale)}';
}
}