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| define(["require", "exports"], function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var MatrixTypes;
(function (MatrixTypes) {
MatrixTypes[MatrixTypes["Identity"] = 0] = "Identity";
MatrixTypes[MatrixTypes["Translation"] = 1] = "Translation";
MatrixTypes[MatrixTypes["Scaling"] = 2] = "Scaling";
MatrixTypes[MatrixTypes["Unknown"] = 4] = "Unknown";
})(MatrixTypes = exports.MatrixTypes || (exports.MatrixTypes = {}));
var Matrix = (function () {
function Matrix(m11, m12, m21, m22, offsetX, offsetY, type) {
this.m11 = m11;
this.m12 = m12;
this.m21 = m21;
this.m22 = m22;
this.offsetX = offsetX;
this.offsetY = offsetY;
this.type = type;
}
return Matrix;
}());
exports.Matrix = Matrix;
function identityMatrix() {
return new Matrix(1, 0, 0, 1, 0, 0, MatrixTypes.Identity);
}
exports.identityMatrix = identityMatrix;
function transformPointByMatrix(matrix, point) {
var pt = multiplyPoint(matrix, point.x, point.y);
return { x: Math.round(pt.x * 100) / 100, y: Math.round(pt.y * 100) / 100 };
}
exports.transformPointByMatrix = transformPointByMatrix;
function transformPointsByMatrix(matrix, points) {
var transformedPoints = [];
for (var _i = 0, points_1 = points; _i < points_1.length; _i++) {
var point = points_1[_i];
transformedPoints.push(transformPointByMatrix(matrix, point));
}
return transformedPoints;
}
exports.transformPointsByMatrix = transformPointsByMatrix;
function rotateMatrix(matrix, angle, centerX, centerY) {
angle %= 360.0;
multiplyMatrix(matrix, createRotationRadians(angle * 0.017453292519943295, centerX ? centerX : 0, centerY ? centerY : 0));
}
exports.rotateMatrix = rotateMatrix;
function scaleMatrix(matrix, scaleX, scaleY, centerX, centerY) {
if (centerX === void 0) { centerX = 0; }
if (centerY === void 0) { centerY = 0; }
multiplyMatrix(matrix, createScaling(scaleX, scaleY, centerX, centerY));
}
exports.scaleMatrix = scaleMatrix;
function translateMatrix(matrix, offsetX, offsetY) {
matrix.offsetX += offsetX;
matrix.offsetY += offsetY;
matrix.type |= MatrixTypes.Translation;
}
exports.translateMatrix = translateMatrix;
function createScaling(scaleX, scaleY, centerX, centerY) {
var result = identityMatrix();
result.type = !(centerX || centerY) ? MatrixTypes.Scaling : MatrixTypes.Scaling | MatrixTypes.Translation;
setMatrix(result, scaleX, 0.0, 0.0, scaleY, centerX - scaleX * centerX, centerY - scaleY * centerY);
return result;
}
function createRotationRadians(angle, centerX, centerY) {
var result = identityMatrix();
var num = Math.sin(angle);
var num2 = Math.cos(angle);
var offsetX = centerX * (1.0 - num2) + centerY * num;
var offsetY = centerY * (1.0 - num2) - centerX * num;
result.type = MatrixTypes.Unknown;
setMatrix(result, num2, num, -num, num2, offsetX, offsetY);
return result;
}
function multiplyPoint(matrix, x, y) {
switch (matrix.type) {
case MatrixTypes.Translation | MatrixTypes.Scaling:
x *= matrix.m11;
x += matrix.offsetX;
y *= matrix.m22;
y += matrix.offsetY;
break;
default:
var num = y * matrix.m21 + matrix.offsetX;
var num2 = x * matrix.m12 + matrix.offsetY;
x *= matrix.m11;
x += num;
y *= matrix.m22;
y += num2;
break;
}
return { x: x, y: y };
}
function multiplyMatrix(matrix1, matrix2) {
var type = matrix1.type;
var type2 = matrix2.type;
if (type === MatrixTypes.Identity) {
assignMatrix(matrix1, matrix2);
matrix1.type = matrix2.type;
return;
}
Eif (type !== MatrixTypes.Translation) {
var num = type << 4 | type2;
switch (num) {
case 50:
matrix1.m11 *= matrix2.m11;
matrix1.m22 *= matrix2.m22;
matrix1.offsetX *= matrix2.m11;
matrix1.offsetY *= matrix2.m22;
return;
case 51:
matrix1.m11 *= matrix2.m11;
matrix1.m22 *= matrix2.m22;
matrix1.offsetX = matrix2.m11 * matrix1.offsetX + matrix2.offsetX;
matrix1.offsetY = matrix2.m22 * matrix1.offsetY + matrix2.offsetY;
return;
case 52: break;
default:
switch (num) {
case 66:
case 67:
case 68: break;
default: return;
}
break;
}
var result = identityMatrix();
var m11New = matrix1.m11 * matrix2.m11 + matrix1.m12 * matrix2.m21;
var m12New = matrix1.m11 * matrix2.m12 + matrix1.m12 * matrix2.m22;
var m21New = matrix1.m21 * matrix2.m11 + matrix1.m22 * matrix2.m21;
var m22New = matrix1.m21 * matrix2.m12 + matrix1.m22 * matrix2.m22;
var offsetX_1 = matrix1.offsetX * matrix2.m11 + matrix1.offsetY * matrix2.m21 + matrix2.offsetX;
var offsetY_1 = matrix1.offsetX * matrix2.m12 + matrix1.offsetY * matrix2.m22 + matrix2.offsetY;
setMatrix(result, m11New, m12New, m21New, m22New, offsetX_1, offsetY_1);
if (result.m21 || result.m12) {
result.type = MatrixTypes.Unknown;
}
else {
if (result.m11 && result.m11 !== 1.0 || result.m22 && result.m22 !== 1.0) {
result.type = MatrixTypes.Scaling;
}
if (result.offsetX || result.offsetY) {
result.type |= MatrixTypes.Translation;
}
if ((result.type & (MatrixTypes.Translation | MatrixTypes.Scaling)) === MatrixTypes.Identity) {
result.type = MatrixTypes.Identity;
}
result.type = MatrixTypes.Scaling | MatrixTypes.Translation;
}
assignMatrix(matrix1, result);
matrix1.type = result.type;
return;
}
var offsetX = matrix1.offsetX;
var offsetY = matrix1.offsetY;
matrix1.offsetX = offsetX * matrix2.m11 + offsetY * matrix2.m21 + matrix2.offsetX;
matrix1.offsetY = offsetX * matrix2.m12 + offsetY * matrix2.m22 + matrix2.offsetY;
if (type2 === MatrixTypes.Unknown) {
matrix1.type = MatrixTypes.Unknown;
return;
}
matrix1.type = (MatrixTypes.Translation | MatrixTypes.Scaling);
}
exports.multiplyMatrix = multiplyMatrix;
function setMatrix(mat, m11, m12, m21, m22, x, y) {
mat.m11 = m11;
mat.m12 = m12;
mat.m21 = m21;
mat.m22 = m22;
mat.offsetX = x;
mat.offsetY = y;
}
function assignMatrix(matrix1, matrix2) {
matrix1.m11 = matrix2.m11;
matrix1.m12 = matrix2.m12;
matrix1.m21 = matrix2.m21;
matrix1.m22 = matrix2.m22;
matrix1.offsetX = matrix2.offsetX;
matrix1.offsetY = matrix2.offsetY;
matrix1.type = matrix2.type;
}
});
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