Switch toolState usage since ES6 modules are read-only
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Erik Ziegler committed
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@@ -1,229 +1,222 @@
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function drawLine(context, startPoint, endPoint, config) {
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context.moveTo(startPoint.x, startPoint.y);
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context.lineTo(endPoint.x, endPoint.y);
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}
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(function($, cornerstone, cornerstoneTools) {
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function drawVerticalScalebarIntervals (context, config) {
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let i = 0;
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'use strict';
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while (config.verticalLine.start.y + i * config.verticalMinorTick <= config.vscaleBounds.bottomRight.y) {
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function drawLine(context, startPoint, endPoint, config) {
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context.moveTo(startPoint.x, startPoint.y);
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context.lineTo(endPoint.x, endPoint.y);
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}
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function drawVerticalScalebarIntervals (context, config) {
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let i = 0;
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while (config.verticalLine.start.y + i * config.verticalMinorTick <= config.vscaleBounds.bottomRight.y) {
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const startPoint = {
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x: config.verticalLine.start.x,
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y: config.verticalLine.start.y + i * config.verticalMinorTick
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};
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const endPoint = {
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x: 0,
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y: config.verticalLine.start.y + i * config.verticalMinorTick
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};
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if (i % 5 === 0) {
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endPoint.x = config.verticalLine.start.x - config.majorTickLength;
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} else {
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endPoint.x = config.verticalLine.start.x - config.minorTickLength;
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}
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drawLine(context, startPoint, endPoint, config);
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i++;
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}
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}
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function drawHorizontalScalebarIntervals (context, config) {
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let i = 0;
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while (config.horizontalLine.start.x + i * config.horizontalMinorTick <= config.hscaleBounds.bottomRight.x) {
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const startPoint = {
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x: config.horizontalLine.start.x + i * config.horizontalMinorTick,
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y: config.horizontalLine.start.y
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};
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const endPoint = {
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x: config.horizontalLine.start.x + i * config.horizontalMinorTick,
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y: 0
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};
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if (i % 5 === 0) {
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endPoint.y = config.horizontalLine.start.y - config.majorTickLength;
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} else {
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endPoint.y = config.horizontalLine.start.y - config.minorTickLength;
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}
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drawLine(context, startPoint, endPoint, config);
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i++;
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}
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}
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function drawVerticalScalebar(context, config) {
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const startPoint = {
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x: config.verticalLine.start.x,
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y: config.verticalLine.start.y
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};
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const endPoint = {
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x: config.verticalLine.end.x,
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y: config.verticalLine.end.y
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y: config.verticalLine.start.y + i * config.verticalMinorTick
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};
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context.beginPath();
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context.strokeStyle = config.color;
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context.lineWidth = config.lineWidth;
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const endPoint = {
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x: 0,
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y: config.verticalLine.start.y + i * config.verticalMinorTick
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};
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if (i % 5 === 0) {
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endPoint.x = config.verticalLine.start.x - config.majorTickLength;
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} else {
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endPoint.x = config.verticalLine.start.x - config.minorTickLength;
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}
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drawLine(context, startPoint, endPoint, config);
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drawVerticalScalebarIntervals(context, config);
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context.stroke();
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i++;
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}
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}
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function drawHorizontalScalebarIntervals (context, config) {
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let i = 0;
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while (config.horizontalLine.start.x + i * config.horizontalMinorTick <= config.hscaleBounds.bottomRight.x) {
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function drawHorizontalScalebar(context, config) {
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const startPoint = {
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x: config.horizontalLine.start.x,
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x: config.horizontalLine.start.x + i * config.horizontalMinorTick,
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y: config.horizontalLine.start.y
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};
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const endPoint = {
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x: config.horizontalLine.end.x,
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y: config.horizontalLine.end.y
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x: config.horizontalLine.start.x + i * config.horizontalMinorTick,
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y: 0
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};
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if (i % 5 === 0) {
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endPoint.y = config.horizontalLine.start.y - config.majorTickLength;
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} else {
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endPoint.y = config.horizontalLine.start.y - config.minorTickLength;
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}
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drawLine(context, startPoint, endPoint, config);
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drawHorizontalScalebarIntervals(context, config);
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i++;
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}
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}
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function drawVerticalScalebar(context, config) {
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const startPoint = {
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x: config.verticalLine.start.x,
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y: config.verticalLine.start.y
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};
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const endPoint = {
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x: config.verticalLine.end.x,
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y: config.verticalLine.end.y
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};
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context.beginPath();
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context.strokeStyle = config.color;
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context.lineWidth = config.lineWidth;
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drawLine(context, startPoint, endPoint, config);
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drawVerticalScalebarIntervals(context, config);
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context.stroke();
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}
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function drawHorizontalScalebar(context, config) {
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const startPoint = {
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x: config.horizontalLine.start.x,
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y: config.horizontalLine.start.y
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};
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const endPoint = {
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x: config.horizontalLine.end.x,
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y: config.horizontalLine.end.y
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};
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drawLine(context, startPoint, endPoint, config);
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drawHorizontalScalebarIntervals(context, config);
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}
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function drawScalebars(context, config){
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context.shadowColor = config.shadowColor;
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context.shadowBlur = config.shadowBlur;
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context.strokeStyle = config.color;
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context.lineWidth = config.lineWidth;
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context.beginPath();
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drawVerticalScalebar(context, config);
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drawHorizontalScalebar(context, config);
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context.stroke();
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}
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// Computes the max bound for scales on the image
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function computeScaleBounds(eventData, canvasSize, imageSize, horizontalReduction, verticalReduction) {
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let canvasBounds = {
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left: 0,
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top: 0,
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width: canvasSize.width,
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height: canvasSize.height
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};
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const hReduction = horizontalReduction * Math.min(1000, canvasSize.width);
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const vReduction = verticalReduction * Math.min(1000, canvasSize.height);
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canvasBounds = {
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left: canvasBounds.left + hReduction,
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top: canvasBounds.top + vReduction,
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width: canvasBounds.width - 2 * hReduction,
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height: canvasBounds.height - 2 * vReduction
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};
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return {
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topLeft: {
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x: canvasBounds.left,
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y: canvasBounds.top
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},
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bottomRight: {
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x: canvasBounds.left + canvasBounds.width,
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y: canvasBounds.top + canvasBounds.height
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}
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};
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}
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function onImageRendered(e, eventData) {
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// Check whether pixel spacing is defined
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if (!eventData.image.rowPixelSpacing || !eventData.image.columnPixelSpacing) {
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return;
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}
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function drawScalebars(context, config){
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context.shadowColor = config.shadowColor;
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context.shadowBlur = config.shadowBlur;
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context.strokeStyle = config.color;
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context.lineWidth = config.lineWidth;
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context.beginPath();
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drawVerticalScalebar(context, config);
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drawHorizontalScalebar(context, config);
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context.stroke();
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const viewport = cornerstone.getViewport(eventData.enabledElement.element);
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if (!viewport) {
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return;
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}
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// Computes the max bound for scales on the image
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function computeScaleBounds(eventData, canvasSize, imageSize, horizontalReduction, verticalReduction) {
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const canvasSize = {
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width: eventData.enabledElement.canvas.width,
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height: eventData.enabledElement.canvas.height
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};
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const imageSize = {
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width: eventData.enabledElement.image.width ,
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height: eventData.enabledElement.image.height
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};
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let canvasBounds = {
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left: 0,
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top: 0,
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width: canvasSize.width,
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height: canvasSize.height
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};
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// Distance between intervals is 10mm
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const verticalIntervalScale = (10.0 / eventData.enabledElement.image.rowPixelSpacing) * eventData.viewport.scale;
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const horizontalIntervalScale = (10.0 / eventData.enabledElement.image.rowPixelSpacing) * eventData.viewport.scale;
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const hReduction = horizontalReduction * Math.min(1000, canvasSize.width);
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const vReduction = verticalReduction * Math.min(1000, canvasSize.height);
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canvasBounds = {
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left: canvasBounds.left + hReduction,
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top: canvasBounds.top + vReduction,
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width: canvasBounds.width - 2 * hReduction,
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height: canvasBounds.height - 2 * vReduction
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};
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// 0.1 and 0.05 gives margin to horizontal and vertical lines
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const hscaleBounds = computeScaleBounds(eventData, canvasSize, imageSize, 0.25, 0.05);
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const vscaleBounds = computeScaleBounds(eventData, canvasSize, imageSize, 0.05, 0.15);
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return {
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topLeft: {
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x: canvasBounds.left,
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y: canvasBounds.top
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if (!canvasSize.width || !canvasSize.height || !imageSize.width || !imageSize.height || !hscaleBounds || !vscaleBounds) {
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return;
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}
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const config = {
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hscaleBounds,
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vscaleBounds,
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verticalMinorTick: verticalIntervalScale,
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horizontalMinorTick: horizontalIntervalScale,
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minorTickLength: 12.5,
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majorTickLength: 25,
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verticalLine: {
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start: {
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x: vscaleBounds.bottomRight.x,
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y: vscaleBounds.topLeft.y
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},
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bottomRight: {
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x: canvasBounds.left + canvasBounds.width,
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y: canvasBounds.top + canvasBounds.height
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end: {
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x: vscaleBounds.bottomRight.x,
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y: vscaleBounds.bottomRight.y
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}
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};
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}
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function onImageRendered(e, eventData) {
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// Check whether pixel spacing is defined
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if (!eventData.image.rowPixelSpacing || !eventData.image.columnPixelSpacing) {
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return;
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}
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const viewport = cornerstone.getViewport(eventData.enabledElement.element);
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if (!viewport) {
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return;
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}
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const canvasSize = {
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width: eventData.enabledElement.canvas.width,
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height: eventData.enabledElement.canvas.height
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};
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const imageSize = {
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width: eventData.enabledElement.image.width ,
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height: eventData.enabledElement.image.height
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};
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// Distance between intervals is 10mm
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const verticalIntervalScale = (10.0 / eventData.enabledElement.image.rowPixelSpacing) * eventData.viewport.scale;
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const horizontalIntervalScale = (10.0 / eventData.enabledElement.image.rowPixelSpacing) * eventData.viewport.scale;
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// 0.1 and 0.05 gives margin to horizontal and vertical lines
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const hscaleBounds = computeScaleBounds(eventData, canvasSize, imageSize, 0.25, 0.05);
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const vscaleBounds = computeScaleBounds(eventData, canvasSize, imageSize, 0.05, 0.15);
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if (!canvasSize.width || !canvasSize.height || !imageSize.width || !imageSize.height || !hscaleBounds || !vscaleBounds) {
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return;
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}
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const config = {
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hscaleBounds: hscaleBounds,
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vscaleBounds: vscaleBounds,
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verticalMinorTick: verticalIntervalScale,
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horizontalMinorTick: horizontalIntervalScale,
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minorTickLength: 12.5,
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majorTickLength: 25,
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verticalLine: {
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start: {
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x: vscaleBounds.bottomRight.x,
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y: vscaleBounds.topLeft.y
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},
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end: {
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x: vscaleBounds.bottomRight.x,
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y: vscaleBounds.bottomRight.y
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}
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},
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horizontalLine: {
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start: {
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x: hscaleBounds.topLeft.x,
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y: hscaleBounds.bottomRight.y
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},
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horizontalLine: {
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start: {
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x: hscaleBounds.topLeft.x,
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y: hscaleBounds.bottomRight.y
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},
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end: {
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x: hscaleBounds.bottomRight.x,
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y: hscaleBounds.bottomRight.y
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}
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},
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color: 'white', // TODO: fix this later
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lineWidth: cornerstoneTools.toolStyle.getToolWidth(),
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shadowColor: 'black',
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shadowBlur: 4
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};
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end: {
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x: hscaleBounds.bottomRight.x,
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y: hscaleBounds.bottomRight.y
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}
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},
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color: 'white', // TODO: fix this later
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lineWidth: cornerstoneTools.toolStyle.getToolWidth(),
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shadowColor: 'black',
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shadowBlur: 4
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};
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const context = eventData.enabledElement.canvas.getContext('2d');
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context.setTransform(1, 0, 0, 1, 0, 0);
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context.save();
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const context = eventData.enabledElement.canvas.getContext('2d');
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context.setTransform(1, 0, 0, 1, 0, 0);
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context.save();
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drawScalebars(context, config);
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context.restore();
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}
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drawScalebars(context, config);
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context.restore();
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}
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///////// END IMAGE RENDERING ///////
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///////// END IMAGE RENDERING ///////
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function disable(element) {
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// TODO: displayTool does not have cornerstone.updateImage(element) method to hide tool
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$(element).off('CornerstoneImageRendered', onImageRendered);
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cornerstone.updateImage(element);
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}
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function disable(element) {
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// TODO: displayTool does not have cornerstone.updateImage(element) method to hide tool
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$(element).off('CornerstoneImageRendered', onImageRendered);
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cornerstone.updateImage(element);
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}
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// module exports
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cornerstoneTools.scaleOverlayTool = cornerstoneTools.displayTool(onImageRendered);
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cornerstoneTools.scaleOverlayTool.disable = disable;
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})($, cornerstone, cornerstoneTools);
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// module exports
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cornerstoneTools.scaleOverlayTool = cornerstoneTools.displayTool(onImageRendered);
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cornerstoneTools.scaleOverlayTool.disable = disable;
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Reference in new issue
Block a user