memartel_loc/Blazor_Canvas
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Corrigé l'offse de scroll

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This commit is contained in:
MarcEricMartel 2023-11-12 11:09:53 -05:00
parent 7037e17965
commit 0704cb821c
1 changed files with 3 additions and 3 deletions
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6
BlazorCanvas/BlazorCanvas/Data/CanvasService.cs
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@ -25,7 +25,7 @@ public class CanvasService {
public async void OnMouseMove(MouseEventArgs eventArgs) {
double mouseX = 0, mouseY = 0;
if (eventArgs.Buttons == 0 || eventArgs.Buttons > 2)
return; // Rien faire si aucun bouton est appuyé ou si les deux boutons/ d'autres boutons sont appuyés.
@ -37,8 +37,8 @@ public class CanvasService {
JObject? offsets = (JObject?)JsonConvert.DeserializeObject(data);
if (offsets is not null && offsets.HasValues) { // Translation entre le canvas et la souris.
mouseX = eventArgs.ClientX - offsets.Value<double>("offsetLeft");
mouseY = eventArgs.ClientY - offsets.Value<double>("offsetTop");
mouseX = eventArgs.PageX - offsets.Value<double>("offsetLeft");
mouseY = eventArgs.PageY - offsets.Value<double>("offsetTop");
}
if (_currentCanvasContext is null)
_currentCanvasContext = await myCanvas.CreateCanvas2DAsync();