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var PointD = require('./PointD');
function Transform(x, y) {
this.lworldOrgX = 0.0;
this.lworldOrgY = 0.0;
this.ldeviceOrgX = 0.0;
this.ldeviceOrgY = 0.0;
this.lworldExtX = 1.0;
this.lworldExtY = 1.0;
this.ldeviceExtX = 1.0;
this.ldeviceExtY = 1.0;
}
Transform.prototype.getWorldOrgX = function ()
{
return this.lworldOrgX;
}
Transform.prototype.setWorldOrgX = function (wox)
{
this.lworldOrgX = wox;
}
Transform.prototype.getWorldOrgY = function ()
{
return this.lworldOrgY;
}
Transform.prototype.setWorldOrgY = function (woy)
{
this.lworldOrgY = woy;
}
Transform.prototype.getWorldExtX = function ()
{
return this.lworldExtX;
}
Transform.prototype.setWorldExtX = function (wex)
{
this.lworldExtX = wex;
}
Transform.prototype.getWorldExtY = function ()
{
return this.lworldExtY;
}
Transform.prototype.setWorldExtY = function (wey)
{
this.lworldExtY = wey;
}
/* Device related */
Transform.prototype.getDeviceOrgX = function ()
{
return this.ldeviceOrgX;
}
Transform.prototype.setDeviceOrgX = function (dox)
{
this.ldeviceOrgX = dox;
}
Transform.prototype.getDeviceOrgY = function ()
{
return this.ldeviceOrgY;
}
Transform.prototype.setDeviceOrgY = function (doy)
{
this.ldeviceOrgY = doy;
}
Transform.prototype.getDeviceExtX = function ()
{
return this.ldeviceExtX;
}
Transform.prototype.setDeviceExtX = function (dex)
{
this.ldeviceExtX = dex;
}
Transform.prototype.getDeviceExtY = function ()
{
return this.ldeviceExtY;
}
Transform.prototype.setDeviceExtY = function (dey)
{
this.ldeviceExtY = dey;
}
Transform.prototype.transformX = function (x)
{
var xDevice = 0.0;
var worldExtX = this.lworldExtX;
if (worldExtX != 0.0)
{
xDevice = this.ldeviceOrgX +
((x - this.lworldOrgX) * this.ldeviceExtX / worldExtX);
}
return xDevice;
}
Transform.prototype.transformY = function (y)
{
var yDevice = 0.0;
var worldExtY = this.lworldExtY;
if (worldExtY != 0.0)
{
yDevice = this.ldeviceOrgY +
((y - this.lworldOrgY) * this.ldeviceExtY / worldExtY);
}
return yDevice;
}
Transform.prototype.inverseTransformX = function (x)
{
var xWorld = 0.0;
var deviceExtX = this.ldeviceExtX;
if (deviceExtX != 0.0)
{
xWorld = this.lworldOrgX +
((x - this.ldeviceOrgX) * this.lworldExtX / deviceExtX);
}
return xWorld;
}
Transform.prototype.inverseTransformY = function (y)
{
var yWorld = 0.0;
var deviceExtY = this.ldeviceExtY;
if (deviceExtY != 0.0)
{
yWorld = this.lworldOrgY +
((y - this.ldeviceOrgY) * this.lworldExtY / deviceExtY);
}
return yWorld;
}
Transform.prototype.inverseTransformPoint = function (inPoint)
{
var outPoint =
new PointD(this.inverseTransformX(inPoint.x),
this.inverseTransformY(inPoint.y));
return outPoint;
}
module.exports = Transform;
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