add save shortcut and fix contrast reset

inspector/src/components/actionTabs/tabs/propertyGrids/materials/textures/defaultTools/contrast.tsx

@@ -48,8 +48,8 @@ class contrastTool implements IToolType {
     cleanup() {
     }
     onReset() {
-        this.contrast = 0;
-        this.exposure = 0;
+        this.setExposure(0);
+        this.setContrast(0);
     }
 };
 

inspector/src/components/actionTabs/tabs/propertyGrids/materials/textures/textureCanvasManager.ts

@@ -100,6 +100,7 @@ export class TextureCanvasManager {
     private static MAX_SCALE : number = 10;
 
     private static SELECT_ALL_KEY = 'KeyA';
+    private static SAVE_KEY ='KeyS';
     private static DESELECT_KEY = 'Escape'
 
     private _tool : Nullable<ITool>;
@@ -210,6 +211,10 @@ export class TextureCanvasManager {
                 });
                 evt.preventDefault();
             }
+            if (evt.code === TextureCanvasManager.SAVE_KEY && evt.ctrlKey) {
+                this.saveTexture();
+                evt.preventDefault();
+            }
             if (evt.code === TextureCanvasManager.DESELECT_KEY) {
                 this._setMetadata({
                     select: {
@@ -641,6 +646,13 @@ export class TextureCanvasManager {
         }, undefined, true);
     }
 
+    public saveTexture() {
+        const canvas = this._editing3D ? this._3DCanvas : this._2DCanvas;
+        Tools.ToBlob(canvas, (blob) => {
+            Tools.Download(blob!, this._originalTexture.name);
+        });
+    }
+
     public dispose() {
         if (this._didEdit) {
             this._originalInternalTexture?.dispose();

inspector/src/components/actionTabs/tabs/propertyGrids/materials/textures/textureEditorComponent.tsx

@@ -267,9 +267,7 @@ export class TextureEditorComponent extends React.Component<ITextureEditorCompon
     }
 
     saveTexture() {
-        Tools.ToBlob(this._2DCanvas.current!, (blob) => {
-            Tools.Download(blob!, this.props.url);
-        });
+        this._textureCanvasManager.saveTexture();
     }
 
     resetTexture() {