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Merge pull request #185 from fsih/betterCursorPreview

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Improve cursor preview efficiency
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DD Liu 2017-11-09 15:53:38 -05:00 committed by GitHub
commit 4924caec89
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1 changed files with 15 additions and 17 deletions
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32
src/helper/blob-tools/blob.js
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@ -163,32 +163,30 @@ class Blobbiness {
if (!this.options) { if (!this.options) {
return; return;
} }
if (typeof point === 'undefined') {
point = this.cursorPreviewLastPoint;
} else {
this.cursorPreviewLastPoint = point;
}
if (this.cursorPreview && this.cursorPreview.parent && if (this.cursorPreview && this.cursorPreview.parent &&
this.brushSize === this.options.brushSize && this.brushSize === this.options.brushSize &&
this.fillColor === this.options.fillColor && this.fillColor === this.options.fillColor &&
this.strokeColor === this.options.strokeColor) { this.strokeColor === this.options.strokeColor &&
this.cursorPreviewLastPoint.equals(point)) {
return; return;
} }
const newPreview = new paper.Path.Circle({ if (typeof point !== 'undefined') {
center: point, this.cursorPreviewLastPoint = point;
radius: this.options.brushSize / 2
});
newPreview.parent = getGuideLayer();
newPreview.data.isHelperItem = true;
if (this.cursorPreview) {
this.cursorPreview.remove();
} }
if (!this.cursorPreview) {
this.cursorPreview = new paper.Shape.Ellipse({
point: this.cursorPreviewLastPoint,
size: this.options.brushSize / 2
});
this.cursorPreview.parent = getGuideLayer();
this.cursorPreview.data.isHelperItem = true;
}
this.cursorPreview.position = this.cursorPreviewLastPoint;
this.cursorPreview.radius = this.options.brushSize / 2;
this.brushSize = this.options.brushSize; this.brushSize = this.options.brushSize;
this.fillColor = this.options.fillColor; this.fillColor = this.options.fillColor;
this.strokeColor = this.options.strokeColor; this.strokeColor = this.options.strokeColor;
this.cursorPreview = newPreview;
styleCursorPreview(this.cursorPreview, this.options); styleCursorPreview(this.cursorPreview, this.options);
} }