feat: 选择框

src/core/render/preset/graphics.ts

@@ -313,7 +313,7 @@ export abstract class GraphicItemBase
                 this.checkMode(GraphicModeProp.Stroke, nextValue);
                 return true;
             case 'strokeAndFill':
-                if (!this.assertType(nextValue, 'number', key)) return false;
+                if (!this.assertType(nextValue, 'boolean', key)) return false;
                 this.checkMode(GraphicModeProp.StrokeAndFill, nextValue);
                 return true;
             case 'fillRule':

src/module/render/components/selection.tsx

@@ -0,0 +1,83 @@
+import { DefaultProps, ElementLocator, onTick } from '@/core/render';
+import { computed, defineComponent } from 'vue';
+import { SetupComponentOptions } from './types';
+import { MotaOffscreenCanvas2D } from '@/core/fx/canvas2d';
+import { transitioned } from '../use';
+import { hyper } from 'mutate-animate';
+
+export interface SelectionProps extends DefaultProps {
+    loc: ElementLocator;
+    color?: CanvasStyle;
+    border?: CanvasStyle;
+    winskin?: ImageIds;
+    /** 选择图标的不透明度范围 */
+    alphaRange?: [number, number];
+}
+
+const selectionProps = {
+    props: ['loc', 'color', 'border', 'winskin', 'alphaRange']
+} satisfies SetupComponentOptions<SelectionProps>;
+
+export const Selection = defineComponent<SelectionProps>(props => {
+    const minAlpha = computed(() => props.alphaRange?.[0] ?? 0.25);
+    const maxAlpha = computed(() => props.alphaRange?.[1] ?? 0.55);
+    const alpha = transitioned(minAlpha.value, 2000, hyper('sin', 'in-out'))!;
+
+    const isWinskin = computed(() => !!props.winskin);
+    const winskinImage = computed(() =>
+        isWinskin.value ? core.material.images.images[props.winskin!] : null
+    );
+    const fixedLoc = computed<ElementLocator>(() => {
+        const [x = 0, y = 0, width = 200, height = 200] = props.loc;
+        return [x + 1, y + 1, width - 2, height - 2];
+    });
+
+    const renderWinskin = (canvas: MotaOffscreenCanvas2D) => {
+        const ctx = canvas.ctx;
+        const image = winskinImage.value;
+        if (!image) return;
+        const [, , width = 200, height = 200] = props.loc;
+        // 背景
+        ctx.drawImage(image, 130, 66, 28, 28, 2, 2, width - 4, height - 4);
+        // 四个角
+        ctx.drawImage(image, 128, 64, 2, 2, 0, 0, 2, 2);
+        ctx.drawImage(image, 158, 64, 2, 2, width - 2, 0, 2, 2);
+        ctx.drawImage(image, 128, 94, 2, 2, 0, height - 2, 2, 2);
+        ctx.drawImage(image, 158, 94, 2, 2, width - 2, height - 2, 2, 2);
+        // 四条边
+        ctx.drawImage(image, 130, 64, 28, 2, 2, 0, width - 4, 2);
+        ctx.drawImage(image, 130, 94, 28, 2, 2, height - 2, width - 4, 2);
+        ctx.drawImage(image, 128, 66, 2, 28, 0, 2, 2, height - 4);
+        ctx.drawImage(image, 158, 66, 2, 28, width - 2, 2, 2, height - 4);
+    };
+
+    onTick(() => {
+        if (alpha.value === maxAlpha.value) {
+            alpha.set(minAlpha.value);
+        }
+        if (alpha.value === minAlpha.value) {
+            alpha.set(maxAlpha.value);
+        }
+    });
+
+    return () =>
+        isWinskin.value ? (
+            <sprite
+                loc={props.loc}
+                render={renderWinskin}
+                alpha={alpha.ref.value}
+                noanti
+            />
+        ) : (
+            <g-rectr
+                loc={fixedLoc.value}
+                circle={[4]}
+                alpha={alpha.ref.value}
+                fill
+                stroke
+                fillStyle={props.color}
+                strokeStyle={props.border}
+                lineWidth={1}
+            />
+        );
+}, selectionProps);