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feat(ruler): separate out placing ruler
A dedicated placing tool avoids mixing placing logic with regular tool logic.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| <script lang="ts"> | ||
| import vtkRulerWidget, { | ||
| InteractionState, | ||
| vtkRulerViewWidget, | ||
| vtkRulerWidgetState, | ||
| } from '@/src/vtk/RulerWidget'; | ||
| import vtkWidgetManager from '@kitware/vtk.js/Widgets/Core/WidgetManager'; | ||
| import { | ||
| computed, | ||
| defineComponent, | ||
| onMounted, | ||
| onUnmounted, | ||
| PropType, | ||
| toRefs, | ||
| watch, | ||
| watchEffect, | ||
| } from 'vue'; | ||
| import vtkPlaneManipulator from '@kitware/vtk.js/Widgets/Manipulators/PlaneManipulator'; | ||
| import { useCurrentImage } from '@/src/composables/useCurrentImage'; | ||
| import { updatePlaneManipulatorFor2DView } from '@/src/utils/manipulators'; | ||
| import { LPSAxisDir } from '@/src/types/lps'; | ||
| import { onVTKEvent } from '@/src/composables/onVTKEvent'; | ||
| import RulerSVG2D from '@/src/components/tools/ruler/RulerSVG2D.vue'; | ||
| import createStandaloneState from '@/src/vtk/RulerWidget/standaloneState'; | ||
| import { | ||
| RulerInitState, | ||
| useSyncedRulerState, | ||
| } from '@/src/components/tools/ruler/common'; | ||
| import { useViewWidget } from '@/src/composables/useViewWidget'; | ||
| export default defineComponent({ | ||
| name: 'PlacingRulerWidget2D', | ||
| emits: ['placed'], | ||
| props: { | ||
| widgetManager: { | ||
| type: Object as PropType<vtkWidgetManager>, | ||
| required: true, | ||
| }, | ||
| viewId: { | ||
| type: String, | ||
| required: true, | ||
| }, | ||
| viewDirection: { | ||
| type: String as PropType<LPSAxisDir>, | ||
| required: true, | ||
| }, | ||
| currentSlice: { | ||
| type: Number, | ||
| required: true, | ||
| }, | ||
| color: String, | ||
| }, | ||
| components: { | ||
| RulerSVG2D, | ||
| }, | ||
| setup(props, { emit }) { | ||
| const { widgetManager, viewDirection, currentSlice } = toRefs(props); | ||
| const { currentImageID, currentImageMetadata } = useCurrentImage(); | ||
| const widgetState = createStandaloneState() as vtkRulerWidgetState; | ||
| const widgetFactory = vtkRulerWidget.newInstance({ | ||
| widgetState, | ||
| }); | ||
| const syncedState = useSyncedRulerState(widgetFactory); | ||
| const widget = useViewWidget<vtkRulerViewWidget>( | ||
| widgetFactory, | ||
| widgetManager | ||
| ); | ||
| onMounted(() => { | ||
| widget.value!.setInteractionState(InteractionState.PlacingFirst); | ||
| }); | ||
| onUnmounted(() => { | ||
| widgetFactory.delete(); | ||
| }); | ||
| // --- reset on slice/image changes --- // | ||
| watch([currentSlice, currentImageID, widget], () => { | ||
| if (widget.value) { | ||
| widget.value.resetInteractions(); | ||
| widget.value.setInteractionState(InteractionState.PlacingFirst); | ||
| } | ||
| }); | ||
| // --- placed event --- // | ||
| onVTKEvent(widget, 'onPlacedEvent', () => { | ||
| const { firstPoint, secondPoint } = syncedState; | ||
| if (!firstPoint.origin || !secondPoint.origin) | ||
| throw new Error('Incomplete placing widget state'); | ||
| const initState: RulerInitState = { | ||
| firstPoint: firstPoint.origin, | ||
| secondPoint: secondPoint.origin, | ||
| }; | ||
| emit('placed', initState); | ||
| widget.value!.resetState(); | ||
| widget.value!.setInteractionState(InteractionState.PlacingFirst); | ||
| }); | ||
| // --- manipulator --- // | ||
| const manipulator = vtkPlaneManipulator.newInstance(); | ||
| onMounted(() => { | ||
| if (!widget.value) { | ||
| return; | ||
| } | ||
| widget.value.setManipulator(manipulator); | ||
| }); | ||
| watchEffect(() => { | ||
| updatePlaneManipulatorFor2DView( | ||
| manipulator, | ||
| viewDirection.value, | ||
| currentSlice.value, | ||
| currentImageMetadata.value | ||
| ); | ||
| }); | ||
| // --- visibility --- // | ||
| onMounted(() => { | ||
| if (!widget.value) { | ||
| return; | ||
| } | ||
| // hide handle visibility, but not picking visibility | ||
| widget.value.setHandleVisibility(false); | ||
| widgetManager.value.renderWidgets(); | ||
| }); | ||
| // --- // | ||
| return { | ||
| firstPoint: computed(() => { | ||
| return syncedState.firstPoint.visible | ||
| ? syncedState.firstPoint.origin | ||
| : null; | ||
| }), | ||
| secondPoint: computed(() => { | ||
| return syncedState.secondPoint.visible | ||
| ? syncedState.secondPoint.origin | ||
| : null; | ||
| }), | ||
| length: computed(() => syncedState.length), | ||
| }; | ||
| }, | ||
| }); | ||
| </script> | ||
|
|
||
| <template> | ||
| <RulerSVG2D | ||
| :view-id="viewId" | ||
| :point1="firstPoint" | ||
| :point2="secondPoint" | ||
| :length="length" | ||
| :color="color" | ||
| /> | ||
| </template> |
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