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(flutter) add zero size check in TextureWidget

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This commit is contained in:
Nick Fisher
2025-06-02 12:58:53 +08:00
parent 1c500fe925
commit 32b6b1c227
1 changed files with 22 additions and 18 deletions
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40
thermion_flutter/thermion_flutter/lib/src/widgets/src/thermion_texture_widget.dart
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@@ -94,25 +94,29 @@ class _ThermionTextureWidgetState extends State<ThermionTextureWidget> {
var width = (size.width * dpr).ceil(); var width = (size.width * dpr).ceil();
var height = (size.height * dpr).ceil(); var height = (size.height * dpr).ceil();
_logger.info( if (width > 0 && height > 0) {
"Target texture dimensions ${width}x${height} (pixel ratio : $dpr)"); _logger.info(
"Target texture dimensions ${width}x${height} (pixel ratio : $dpr)");
_texture = await ThermionFlutterPlatform.instance _texture = await ThermionFlutterPlatform.instance
.createTextureAndBindToView(widget.viewer.view, width, height); .createTextureAndBindToView(widget.viewer.view, width, height);
_logger.info( _logger.info(
"Actual texture dimensions ${_texture!.width}x${_texture!.height} (pixel ratio : $dpr)"); "Actual texture dimensions ${_texture!.width}x${_texture!.height} (pixel ratio : $dpr)");
await widget.viewer.view.setViewport(_texture!.width, _texture!.height); await widget.viewer.view.setViewport(_texture!.width, _texture!.height);
try { try {
await widget.onResize?.call( await widget.onResize?.call(
Size(_texture!.width.toDouble(), _texture!.height.toDouble()), Size(_texture!.width.toDouble(), _texture!.height.toDouble()),
widget.viewer.view, widget.viewer.view,
dpr); dpr);
} catch (err, st) { } catch (err, st) {
_logger.severe(err); _logger.severe(err);
_logger.severe(st); _logger.severe(st);
}
} else {
_logger.warning("Widget has zero width or height");
} }
if (mounted) { if (mounted) {
@@ -168,10 +172,10 @@ class _ThermionTextureWidgetState extends State<ThermionTextureWidget> {
_frameCompleter = Completer(); _frameCompleter = Completer();
var headroom = _deadline.difference(DateTime.now()); var headroom = _deadline.difference(DateTime.now());
if (headroom.inMilliseconds > 5) { if (headroom.inMilliseconds > 5) {
var waitForNs = headroom.inMicroseconds - 5000; var waitForNs = headroom.inMicroseconds - 5000;
await Future.delayed(Duration(microseconds: waitForNs)); await Future.delayed(Duration(microseconds: waitForNs));
} }
if (widget.viewer.rendering && _resizing.isEmpty) { if (widget.viewer.rendering && _resizing.isEmpty) {
@@ -191,7 +195,7 @@ class _ThermionTextureWidgetState extends State<ThermionTextureWidget> {
} }
_frameCompleter?.complete(); _frameCompleter?.complete();
}); });
var deadlineInMicros = (widget.viewer.msPerFrame * 1000).toInt(); var deadlineInMicros = (widget.viewer.msPerFrame * 1000).toInt();
_deadline = DateTime.now().add(Duration(microseconds: deadlineInMicros)); _deadline = DateTime.now().add(Duration(microseconds: deadlineInMicros));