LT-123: intersected attribute is removed in intersectLine method,

getIntersectionRect method returns topLeft and bottomRight points instead of left, right, top, bottom points
This commit is contained in:
Aysel Afsar 2016-01-14 13:16:41 -05:00
parent 12a326c7fe
commit f9d697dea0
3 changed files with 60 additions and 61 deletions

View File

@ -986,7 +986,7 @@ var cornerstoneMath = (function (cornerstoneMath) {
var a1, a2, b1, b2, c1, c2; // Coefficients of line equations var a1, a2, b1, b2, c1, c2; // Coefficients of line equations
var r1, r2, r3, r4; // Sign values var r1, r2, r3, r4; // Sign values
var denom, offset, num; //Intermediate values var denom, num; //Intermediate values
// Compute a1, b1, c1, where line joining points 1 and 2 is "a1 x + b1 y + c1 = 0" // Compute a1, b1, c1, where line joining points 1 and 2 is "a1 x + b1 y + c1 = 0"
a1 = y2 - y1; a1 = y2 - y1;
@ -1004,10 +1004,7 @@ var cornerstoneMath = (function (cornerstoneMath) {
if (r3 !== 0 && if (r3 !== 0 &&
r4 !== 0 && r4 !== 0 &&
cornerstoneMath.sign(r3) === cornerstoneMath.sign(r4)) { cornerstoneMath.sign(r3) === cornerstoneMath.sign(r4)) {
intersectionPoint.x = 0; return;
intersectionPoint.y = 0;
intersectionPoint.intersected = false;
return intersectionPoint;
} }
/* Compute a2, b2, c2 */ /* Compute a2, b2, c2 */
@ -1029,10 +1026,7 @@ var cornerstoneMath = (function (cornerstoneMath) {
if (r1 !== 0 && if (r1 !== 0 &&
r2 !== 0 && r2 !== 0 &&
cornerstoneMath.sign(r1) === cornerstoneMath.sign(r2)) { cornerstoneMath.sign(r1) === cornerstoneMath.sign(r2)) {
intersectionPoint.x = 0; return
intersectionPoint.y = 0;
intersectionPoint.intersected = false;
return intersectionPoint;
} }
/* Line segments intersect: compute intersection point. /* Line segments intersect: compute intersection point.
@ -1040,8 +1034,6 @@ var cornerstoneMath = (function (cornerstoneMath) {
denom = (a1 * b2) - (a2 * b1); denom = (a1 * b2) - (a2 * b1);
offset = denom < 0 ? -denom / 2 : denom / 2;
/* The denom/2 is to get rounding instead of truncating. It /* The denom/2 is to get rounding instead of truncating. It
* is added or subtracted to the numerator, depending upon the * is added or subtracted to the numerator, depending upon the
* sign of the numerator. * sign of the numerator.
@ -1055,7 +1047,6 @@ var cornerstoneMath = (function (cornerstoneMath) {
intersectionPoint.x = x; intersectionPoint.x = x;
intersectionPoint.y = y; intersectionPoint.y = y;
intersectionPoint.intersected = true;
return intersectionPoint; return intersectionPoint;
} }
@ -1859,19 +1850,23 @@ var cornerstoneMath = (function (cornerstoneMath) {
return minDistance; return minDistance;
} }
// Returns rectangle points // Returns top-left and bottom-right of rectangle
function rectToPoints (rect) { function rectToPoints (rect) {
var rectPoints = { var rectPoints = {
top: rect.top, topLeft: {
left: rect.left, x: rect.left,
right: rect.left + rect.width, y: rect.top
bottom: rect.top + rect.height },
bottomRight: {
x: rect.left + rect.width,
y: rect.top + rect.height
}
}; };
return rectPoints; return rectPoints;
} }
// Returns whether two rectangles are intersected // Returns whether two non-rotated rectangles are intersected
function doesIntersect (rect1, rect2) { function doesIntersect (rect1, rect2) {
var intersectLeftRight; var intersectLeftRight;
var intersectTopBottom; var intersectTopBottom;
@ -1881,34 +1876,37 @@ var cornerstoneMath = (function (cornerstoneMath) {
if (rect1.width >= 0) { if (rect1.width >= 0) {
if (rect2.width >= 0) if (rect2.width >= 0)
intersectLeftRight = !((rect1Points.right <= rect2Points.left) || (rect2Points.right <= rect1Points.left)); intersectLeftRight = !((rect1Points.bottomRight.x <= rect2Points.topLeft.x) || (rect2Points.bottomRight.x <= rect1Points.topLeft.x));
else else
intersectLeftRight = !((rect1Points.right <= rect2Points.right) || (rect2Points.left <= rect1Points.left)); intersectLeftRight = !((rect1Points.bottomRight.x <= rect2Points.bottomRight.x) || (rect2Points.topLeft.x <= rect1Points.topLeft.x));
} else { } else {
if (rect2.width >= 0) if (rect2.width >= 0)
intersectLeftRight = !((rect1Points.left <= rect2Points.left) || (rect2Points.right <= rect1Points.right)); intersectLeftRight = !((rect1Points.topLeft.x <= rect2Points.topLeft.x) || (rect2Points.bottomRight.x <= rect1Points.bottomRight.x));
else else
intersectLeftRight = !((rect1Points.left <= rect2Points.right) || (rect2Points.left <= rect1Points.right)); intersectLeftRight = !((rect1Points.topLeft.x <= rect2Points.bottomRight.x) || (rect2Points.topLeft.x <= rect1Points.bottomRight.x));
} }
if (rect1.height >= 0) { if (rect1.height >= 0) {
if (rect2.height >= 0) if (rect2.height >= 0)
intersectTopBottom = !((rect1Points.bottom <= rect2Points.top) || (rect2Points.bottom <= rect1Points.top)); intersectTopBottom = !((rect1Points.bottomRight.y <= rect2Points.topLeft.y) || (rect2Points.bottomRight.y <= rect1Points.topLeft.y));
else else
intersectTopBottom = !((rect1Points.bottom <= rect2Points.bottom) || (rect2Points.top <= rect1Points.top)); intersectTopBottom = !((rect1Points.bottomRight.y <= rect2Points.bottomRight.y ) || (rect2Points.topLeft.y <= rect1Points.topLeft.y));
} else { } else {
if (rect2.height >= 0) if (rect2.height >= 0)
intersectTopBottom = !((rect1Points.top <= rect2Points.top) || (rect2Points.bottom <= rect1Points.bottom)); intersectTopBottom = !((rect1Points.topLeft.y <= rect2Points.topLeft.y) || (rect2Points.bottomRight.y <= rect1Points.bottomRight.y ));
else else
intersectTopBottom = !((rect1Points.top <= rect2Points.bottom) || (rect2Points.top <= rect1Points.bottom)); intersectTopBottom = !((rect1Points.topLeft.y <= rect2Points.bottomRight.y ) || (rect2Points.top <= rect1Points.bottomRight.y ));
} }
return intersectLeftRight && intersectTopBottom; return intersectLeftRight && intersectTopBottom;
} }
// Returns intersection points of two rectangles // Returns intersection points of two non-rotated rectangles
function getIntersectionRect(rect1, rect2) { function getIntersectionRect(rect1, rect2) {
var intersectPoints = {}; var intersectRect = {
topLeft: {},
bottomRight: {}
};
if (!doesIntersect(rect1, rect2)) { if (!doesIntersect(rect1, rect2)) {
return; return;
@ -1919,41 +1917,42 @@ var cornerstoneMath = (function (cornerstoneMath) {
if (rect1.width >= 0) { if (rect1.width >= 0) {
if (rect2.width >= 0) { if (rect2.width >= 0) {
intersectPoints.left = Math.max(rect1Points.left, rect2Points.left); intersectRect.topLeft.x = Math.max(rect1Points.topLeft.x, rect2Points.topLeft.x);
intersectPoints.right = Math.min(rect1Points.right, rect2Points.right); intersectRect.bottomRight.x = Math.min(rect1Points.bottomRight.x, rect2Points.bottomRight.x);
} else { } else {
intersectPoints.left = Math.max(rect1Points.left, rect2Points.right); intersectRect.topLeft.x = Math.max(rect1Points.topLeft.x, rect2Points.bottomRight.x);
intersectPoints.right = Math.min(rect1Points.right, rect2Points.left); intersectRect.bottomRight.x = Math.min(rect1Points.bottomRight.x, rect2Points.topLeft.x);
} }
} else { } else {
if (rect2.width >= 0) { if (rect2.width >= 0) {
intersectPoints.left = Math.min(rect1Points.left, rect2Points.right); intersectRect.topLeft.x = Math.min(rect1Points.topLeft.x, rect2Points.bottomRight.x);
intersectPoints.right = Math.max(rect1Points.right, rect2Points.left); intersectRect.bottomRight.x = Math.max(rect1Points.bottomRight.x, rect2Points.topLeft.x);
} else { } else {
intersectPoints.left = Math.min(rect1Points.left, rect2Points.left); intersectRect.topLeft.x = Math.min(rect1Points.topLeft.x, rect2Points.topLeft.x);
intersectPoints.right = Math.max(rect1Points.right, rect2Points.right); intersectRect.bottomRight.x = Math.max(rect1Points.bottomRight.x, rect2Points.bottomRight.x);
} }
} }
if (rect1.height >= 0) { if (rect1.height >= 0) {
if (rect2.height >= 0) { if (rect2.height >= 0) {
intersectPoints.top = Math.max(rect1Points.top, rect2Points.top); intersectRect.topLeft.y = Math.max(rect1Points.topLeft.y, rect2Points.topLeft.y);
intersectPoints.bottom = Math.min(rect1Points.bottom, rect2Points.bottom); intersectRect.bottomRight.y = Math.min(rect1Points.bottomRight.y, rect2Points.bottomRight.y);
} else { } else {
intersectPoints.top = Math.max(rect1Points.top, rect2Points.bottom); intersectRect.topLeft.y = Math.max(rect1Points.topLeft.y, rect2Points.bottomRight.y);
intersectPoints.bottom = Math.min(rect1Points.bottom, rect2Points.top); intersectRect.bottomRight.y = Math.min(rect1Points.bottomRight.y, rect2Points.topLeft.y);
} }
} else { } else {
if (rect2.height >= 0) { if (rect2.height >= 0) {
intersectPoints.top = Math.min(rect1Points.top, rect2Points.bottom); intersectRect.topLeft.y = Math.min(rect1Points.topLeft.y, rect2Points.bottomRight.y);
intersectPoints.bottom = Math.max(rect1Points.bottom, rect2Points.top); intersectRect.bottomRight.y = Math.max(rect1Points.bottomRight.y, rect2Points.topLeft.y);
} else { } else {
intersectPoints.top = Math.min(rect1Points.top, rect2Points.top); intersectRect.topLeft.y = Math.min(rect1Points.topLeft.y, rect2Points.topLeft.y);
intersectPoints.bottom = Math.max(rect1Points.bottom, rect2Points.bottom); intersectRect.bottomRight.y = Math.max(rect1Points.bottomRight.y, rect2Points.bottomRight.y);
} }
} }
return intersectPoints; // Returns top-left and bottom-right points of intersected rectangle
return intersectRect;
} }

View File

@ -408,7 +408,7 @@
}; };
var intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine); var intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
if (!intersection.intersected) { if (!intersection) {
if (cornerstoneMath.point.distance(movedPoint, data.handles.start) > cornerstoneMath.point.distance(movedPoint, data.handles.end)) { if (cornerstoneMath.point.distance(movedPoint, data.handles.start) > cornerstoneMath.point.distance(movedPoint, data.handles.end)) {
data.handles.perpendicularStart.x = adjustedLineP2.x + distanceFromMoved * dy; data.handles.perpendicularStart.x = adjustedLineP2.x + distanceFromMoved * dy;
data.handles.perpendicularStart.y = adjustedLineP2.y - distanceFromMoved * dx; data.handles.perpendicularStart.y = adjustedLineP2.y - distanceFromMoved * dx;
@ -490,7 +490,7 @@
}; };
var intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine); var intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
if (!intersection.intersected) { if (!intersection) {
if (cornerstoneMath.point.distance(movedPoint, data.handles.start) > cornerstoneMath.point.distance(movedPoint, data.handles.end)) { if (cornerstoneMath.point.distance(movedPoint, data.handles.start) > cornerstoneMath.point.distance(movedPoint, data.handles.end)) {
data.handles.perpendicularEnd.x = adjustedLineP2.x - distanceFromMoved * dy; data.handles.perpendicularEnd.x = adjustedLineP2.x - distanceFromMoved * dy;
data.handles.perpendicularEnd.y = adjustedLineP2.y + distanceFromMoved * dx; data.handles.perpendicularEnd.y = adjustedLineP2.y + distanceFromMoved * dx;
@ -558,7 +558,7 @@
perpendicularLine.end = {x: eventData.currentPoints.image.x, y: eventData.currentPoints.image.y}; perpendicularLine.end = {x: eventData.currentPoints.image.x, y: eventData.currentPoints.image.y};
intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine); intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
if (!intersection.intersected) { if (!intersection) {
perpendicularLine.end = {x: data.handles.perpendicularStart.x, y: data.handles.perpendicularStart.y}; perpendicularLine.end = {x: data.handles.perpendicularStart.x, y: data.handles.perpendicularStart.y};
intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine); intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
@ -566,7 +566,7 @@
d1 = cornerstoneMath.point.distance(intersection, data.handles.start); d1 = cornerstoneMath.point.distance(intersection, data.handles.start);
d2 = cornerstoneMath.point.distance(intersection, data.handles.end); d2 = cornerstoneMath.point.distance(intersection, data.handles.end);
if (!intersection.intersected || d1 < 3 || d2 < 3) { if (!intersection || d1 < 3 || d2 < 3) {
outOfBounds = true; outOfBounds = true;
} }
} }
@ -593,7 +593,7 @@
perpendicularLine.end = {x: eventData.currentPoints.image.x, y: eventData.currentPoints.image.y}; perpendicularLine.end = {x: eventData.currentPoints.image.x, y: eventData.currentPoints.image.y};
intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine); intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
if (!intersection.intersected) { if (!intersection) {
perpendicularLine.end = {x: data.handles.perpendicularEnd.x, y: data.handles.perpendicularEnd.y}; perpendicularLine.end = {x: data.handles.perpendicularEnd.x, y: data.handles.perpendicularEnd.y};
intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine); intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
@ -601,7 +601,7 @@
d1 = cornerstoneMath.point.distance(intersection, data.handles.start); d1 = cornerstoneMath.point.distance(intersection, data.handles.start);
d2 = cornerstoneMath.point.distance(intersection, data.handles.end); d2 = cornerstoneMath.point.distance(intersection, data.handles.end);
if (!intersection.intersected || d1 < 3 || d2 < 3) { if (!intersection || d1 < 3 || d2 < 3) {
outOfBounds = true; outOfBounds = true;
} }
} }

View File

@ -8,7 +8,7 @@
var i = 0; var i = 0;
while (config.verticalLine.start.y + i * config.verticalMinorTick <= config.vscaleBounds.bottom) { while (config.verticalLine.start.y + i * config.verticalMinorTick <= config.vscaleBounds.bottomRight.y) {
var startPoint = { var startPoint = {
x: config.verticalLine.start.x, x: config.verticalLine.start.x,
@ -39,7 +39,7 @@
i = 0; i = 0;
while (config.horizontalLine.start.x + i * config.horizontalMinorTick <= config.hscaleBounds.right) { while (config.horizontalLine.start.x + i * config.horizontalMinorTick <= config.hscaleBounds.bottomRight.x) {
startPoint = { startPoint = {
x: config.horizontalLine.start.x + i * config.horizontalMinorTick, x: config.horizontalLine.start.x + i * config.horizontalMinorTick,
@ -207,22 +207,22 @@
majorTickLength: 25, majorTickLength: 25,
verticalLine: { verticalLine: {
start: { start: {
x: vscaleBounds.right , x: vscaleBounds.bottomRight.x,
y: vscaleBounds.top y: vscaleBounds.topLeft.y
}, },
end: { end: {
x: vscaleBounds.right, x: vscaleBounds.bottomRight.x,
y: vscaleBounds.bottom y: vscaleBounds.bottomRight.y
} }
}, },
horizontalLine: { horizontalLine: {
start: { start: {
x: hscaleBounds.left, x: hscaleBounds.topLeft.x,
y: hscaleBounds.bottom y: hscaleBounds.bottomRight.y
}, },
end: { end: {
x: hscaleBounds.right, x: hscaleBounds.bottomRight.x,
y: hscaleBounds.bottom y: hscaleBounds.bottomRight.y
} }
}, },
color: cornerstoneTools.toolColors.getToolColor(), color: cornerstoneTools.toolColors.getToolColor(),