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 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"
a1 = y2 - y1;
@ -1004,10 +1004,7 @@ var cornerstoneMath = (function (cornerstoneMath) {
if (r3 !== 0 &&
r4 !== 0 &&
cornerstoneMath.sign(r3) === cornerstoneMath.sign(r4)) {
intersectionPoint.x = 0;
intersectionPoint.y = 0;
intersectionPoint.intersected = false;
return intersectionPoint;
return;
}
/* Compute a2, b2, c2 */
@ -1029,10 +1026,7 @@ var cornerstoneMath = (function (cornerstoneMath) {
if (r1 !== 0 &&
r2 !== 0 &&
cornerstoneMath.sign(r1) === cornerstoneMath.sign(r2)) {
intersectionPoint.x = 0;
intersectionPoint.y = 0;
intersectionPoint.intersected = false;
return intersectionPoint;
return
}
/* Line segments intersect: compute intersection point.
@ -1040,8 +1034,6 @@ var cornerstoneMath = (function (cornerstoneMath) {
denom = (a1 * b2) - (a2 * b1);
offset = denom < 0 ? -denom / 2 : denom / 2;
/* The denom/2 is to get rounding instead of truncating. It
* is added or subtracted to the numerator, depending upon the
* sign of the numerator.
@ -1055,7 +1047,6 @@ var cornerstoneMath = (function (cornerstoneMath) {
intersectionPoint.x = x;
intersectionPoint.y = y;
intersectionPoint.intersected = true;
return intersectionPoint;
}
@ -1859,19 +1850,23 @@ var cornerstoneMath = (function (cornerstoneMath) {
return minDistance;
}
// Returns rectangle points
// Returns top-left and bottom-right of rectangle
function rectToPoints (rect) {
var rectPoints = {
top: rect.top,
left: rect.left,
right: rect.left + rect.width,
bottom: rect.top + rect.height
topLeft: {
x: rect.left,
y: rect.top
},
bottomRight: {
x: rect.left + rect.width,
y: rect.top + rect.height
}
};
return rectPoints;
}
// Returns whether two rectangles are intersected
// Returns whether two non-rotated rectangles are intersected
function doesIntersect (rect1, rect2) {
var intersectLeftRight;
var intersectTopBottom;
@ -1881,34 +1876,37 @@ var cornerstoneMath = (function (cornerstoneMath) {
if (rect1.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
intersectLeftRight = !((rect1Points.right <= rect2Points.right) || (rect2Points.left <= rect1Points.left));
intersectLeftRight = !((rect1Points.bottomRight.x <= rect2Points.bottomRight.x) || (rect2Points.topLeft.x <= rect1Points.topLeft.x));
} else {
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
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 (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
intersectTopBottom = !((rect1Points.bottom <= rect2Points.bottom) || (rect2Points.top <= rect1Points.top));
intersectTopBottom = !((rect1Points.bottomRight.y <= rect2Points.bottomRight.y ) || (rect2Points.topLeft.y <= rect1Points.topLeft.y));
} else {
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
intersectTopBottom = !((rect1Points.top <= rect2Points.bottom) || (rect2Points.top <= rect1Points.bottom));
intersectTopBottom = !((rect1Points.topLeft.y <= rect2Points.bottomRight.y ) || (rect2Points.top <= rect1Points.bottomRight.y ));
}
return intersectLeftRight && intersectTopBottom;
}
// Returns intersection points of two rectangles
// Returns intersection points of two non-rotated rectangles
function getIntersectionRect(rect1, rect2) {
var intersectPoints = {};
var intersectRect = {
topLeft: {},
bottomRight: {}
};
if (!doesIntersect(rect1, rect2)) {
return;
@ -1919,41 +1917,42 @@ var cornerstoneMath = (function (cornerstoneMath) {
if (rect1.width >= 0) {
if (rect2.width >= 0) {
intersectPoints.left = Math.max(rect1Points.left, rect2Points.left);
intersectPoints.right = Math.min(rect1Points.right, rect2Points.right);
intersectRect.topLeft.x = Math.max(rect1Points.topLeft.x, rect2Points.topLeft.x);
intersectRect.bottomRight.x = Math.min(rect1Points.bottomRight.x, rect2Points.bottomRight.x);
} else {
intersectPoints.left = Math.max(rect1Points.left, rect2Points.right);
intersectPoints.right = Math.min(rect1Points.right, rect2Points.left);
intersectRect.topLeft.x = Math.max(rect1Points.topLeft.x, rect2Points.bottomRight.x);
intersectRect.bottomRight.x = Math.min(rect1Points.bottomRight.x, rect2Points.topLeft.x);
}
} else {
if (rect2.width >= 0) {
intersectPoints.left = Math.min(rect1Points.left, rect2Points.right);
intersectPoints.right = Math.max(rect1Points.right, rect2Points.left);
intersectRect.topLeft.x = Math.min(rect1Points.topLeft.x, rect2Points.bottomRight.x);
intersectRect.bottomRight.x = Math.max(rect1Points.bottomRight.x, rect2Points.topLeft.x);
} else {
intersectPoints.left = Math.min(rect1Points.left, rect2Points.left);
intersectPoints.right = Math.max(rect1Points.right, rect2Points.right);
intersectRect.topLeft.x = Math.min(rect1Points.topLeft.x, rect2Points.topLeft.x);
intersectRect.bottomRight.x = Math.max(rect1Points.bottomRight.x, rect2Points.bottomRight.x);
}
}
if (rect1.height >= 0) {
if (rect2.height >= 0) {
intersectPoints.top = Math.max(rect1Points.top, rect2Points.top);
intersectPoints.bottom = Math.min(rect1Points.bottom, rect2Points.bottom);
intersectRect.topLeft.y = Math.max(rect1Points.topLeft.y, rect2Points.topLeft.y);
intersectRect.bottomRight.y = Math.min(rect1Points.bottomRight.y, rect2Points.bottomRight.y);
} else {
intersectPoints.top = Math.max(rect1Points.top, rect2Points.bottom);
intersectPoints.bottom = Math.min(rect1Points.bottom, rect2Points.top);
intersectRect.topLeft.y = Math.max(rect1Points.topLeft.y, rect2Points.bottomRight.y);
intersectRect.bottomRight.y = Math.min(rect1Points.bottomRight.y, rect2Points.topLeft.y);
}
} else {
if (rect2.height >= 0) {
intersectPoints.top = Math.min(rect1Points.top, rect2Points.bottom);
intersectPoints.bottom = Math.max(rect1Points.bottom, rect2Points.top);
intersectRect.topLeft.y = Math.min(rect1Points.topLeft.y, rect2Points.bottomRight.y);
intersectRect.bottomRight.y = Math.max(rect1Points.bottomRight.y, rect2Points.topLeft.y);
} else {
intersectPoints.top = Math.min(rect1Points.top, rect2Points.top);
intersectPoints.bottom = Math.max(rect1Points.bottom, rect2Points.bottom);
intersectRect.topLeft.y = Math.min(rect1Points.topLeft.y, rect2Points.topLeft.y);
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);
if (!intersection.intersected) {
if (!intersection) {
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.y = adjustedLineP2.y - distanceFromMoved * dx;
@ -490,7 +490,7 @@
};
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)) {
data.handles.perpendicularEnd.x = adjustedLineP2.x - distanceFromMoved * dy;
data.handles.perpendicularEnd.y = adjustedLineP2.y + distanceFromMoved * dx;
@ -558,7 +558,7 @@
perpendicularLine.end = {x: eventData.currentPoints.image.x, y: eventData.currentPoints.image.y};
intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
if (!intersection.intersected) {
if (!intersection) {
perpendicularLine.end = {x: data.handles.perpendicularStart.x, y: data.handles.perpendicularStart.y};
intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
@ -566,7 +566,7 @@
d1 = cornerstoneMath.point.distance(intersection, data.handles.start);
d2 = cornerstoneMath.point.distance(intersection, data.handles.end);
if (!intersection.intersected || d1 < 3 || d2 < 3) {
if (!intersection || d1 < 3 || d2 < 3) {
outOfBounds = true;
}
}
@ -593,7 +593,7 @@
perpendicularLine.end = {x: eventData.currentPoints.image.x, y: eventData.currentPoints.image.y};
intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
if (!intersection.intersected) {
if (!intersection) {
perpendicularLine.end = {x: data.handles.perpendicularEnd.x, y: data.handles.perpendicularEnd.y};
intersection = cornerstoneMath.lineSegment.intersectLine(longLine, perpendicularLine);
@ -601,7 +601,7 @@
d1 = cornerstoneMath.point.distance(intersection, data.handles.start);
d2 = cornerstoneMath.point.distance(intersection, data.handles.end);
if (!intersection.intersected || d1 < 3 || d2 < 3) {
if (!intersection || d1 < 3 || d2 < 3) {
outOfBounds = true;
}
}

View File

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