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remove flickering

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This commit is contained in:
Scott Bell 2023-04-18 16:56:05 +02:00
parent 501fdf902b
commit e34093eda7
1 changed files with 37 additions and 36 deletions
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73
src/plugins/imagery/components/AnnotationsCanvas.vue
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@ -47,36 +47,49 @@ export default {
data() {
return {
dragging: false,
newAnnotationRectangle: {}
newAnnotationRectangle: {},
annotationsForThisImage: [],
keyString: null,
context: null,
canvas: null
};
},
mounted() {
console.debug(`🔮 AnnotationsCanvas mounted`);
this.drawAnnotations();
this.canvas = this.$refs.canvas;
this.context = this.canvas.getContext("2d");
console.debug(`🔮 AnnotationsCanvas mounted`, this.context);
this.loadAnnotations();
},
beforeDestroy() {
},
methods: {
async loadAnnotations() {
// find annotations for this image time
const annotationsForThisObject = await this.openmct.annotation.getAnnotations(this.domainObject.identifier);
this.keyString = this.openmct.objects.makeKeyString(this.domainObject.identifier);
this.annotationsForThisImage = annotationsForThisObject.filter((foundAnnotation) => {
const annotationTime = foundAnnotation.targets[this.keyString].time;
return annotationTime === this.image.time;
});
this.drawAnnotations();
},
drawRectInCanvas(rectangle, color) {
console.debug(`🪟 Drawing rectangle, ${rectangle.x} ${rectangle.y} ${rectangle.width} ${rectangle.height}`, rectangle);
const canvas = this.$refs.canvas;
const context = canvas.getContext("2d");
context.beginPath();
context.lineWidth = "1";
context.fillStyle = "rgba(199, 87, 231, 0.2)";
context.strokeStyle = color;
context.rect(rectangle.x, rectangle.y, rectangle.width, rectangle.height);
context.fill();
context.stroke();
this.context.beginPath();
this.context.lineWidth = "1";
this.context.fillStyle = "rgba(199, 87, 231, 0.2)";
this.context.strokeStyle = color;
this.context.rect(rectangle.x, rectangle.y, rectangle.width, rectangle.height);
this.context.fill();
this.context.stroke();
},
trackAnnotationDrag(event) {
if (this.dragging) {
console.debug(`🐭 mouseMove: ${event.type}`);
const canvas = this.$refs.canvas;
const boundingRect = canvas.getBoundingClientRect();
const scaleX = canvas.width / boundingRect.width;
const scaleY = canvas.height / boundingRect.height;
const boundingRect = this.canvas.getBoundingClientRect();
const scaleX = this.canvas.width / boundingRect.width;
const scaleY = this.canvas.height / boundingRect.height;
this.newAnnotationRectangle = {
x: this.newAnnotationRectangle.x,
y: this.newAnnotationRectangle.y,
@ -89,9 +102,7 @@ export default {
}
},
clearCanvas() {
const canvas = this.$refs.canvas;
const context = canvas.getContext("2d");
context.clearRect(0, 0, canvas.width, canvas.height);
this.context.clearRect(0, 0, this.canvas.width, this.canvas.height);
},
selectImageView() {
// should show ImageView itself if we have no annotations to display
@ -176,11 +187,9 @@ export default {
startAnnotationDrag(event) {
console.debug(`🐭 mouseDown`);
this.newAnnotationRectangle = {};
const canvas = this.$refs.canvas;
const boundingRect = canvas.getBoundingClientRect();
const scaleX = canvas.width / boundingRect.width;
const scaleY = canvas.height / boundingRect.height;
const boundingRect = this.canvas.getBoundingClientRect();
const scaleX = this.canvas.width / boundingRect.width;
const scaleY = this.canvas.height / boundingRect.height;
this.newAnnotationRectangle = {
x: (event.clientX - boundingRect.left) * scaleX,
y: (event.clientY - boundingRect.top) * scaleY
@ -188,17 +197,9 @@ export default {
this.dragging = true;
},
async drawAnnotations() {
// find annotations for this image time
const annotationsForThisObject = await this.openmct.annotation.getAnnotations(this.domainObject.identifier);
const keyString = this.openmct.objects.makeKeyString(this.domainObject.identifier);
const annotationsForThisImage = annotationsForThisObject.filter((foundAnnotation) => {
const annotationTime = foundAnnotation.targets[keyString].time;
return annotationTime === this.image.time;
});
annotationsForThisImage.forEach((annotation) => {
this.drawRectInCanvas(annotation.targets[keyString].rectangle, EXISTING_ANNOTATION_COLOR);
drawAnnotations() {
this.annotationsForThisImage.forEach((annotation) => {
this.drawRectInCanvas(annotation.targets[this.keyString].rectangle, EXISTING_ANNOTATION_COLOR);
});
}
}