Fix problems with transformation matrices that include numbers very close to zero (as in issue #222)
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1 changed files with 8 additions and 3 deletions
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@ -167,6 +167,11 @@ function formToMatrix(form) {
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return matrix;
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}
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function str(n) {
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if (n < 0.00001 && n > -0.00001) return 0;
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return n;
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}
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function makeTransform(w, h, form, matrices) {
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var props = form.form._0.props;
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var m = A6( Transform.matrix, 1, 0, 0, 1,
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@ -176,9 +181,9 @@ function makeTransform(w, h, form, matrices) {
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for (var i = 0; i < len; ++i) { m = A2( Transform.multiply, m, matrices[i] ); }
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m = A2( Transform.multiply, m, formToMatrix(form) );
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return 'matrix(' + m[0] + ',' + m[3] + ',' +
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(-m[1]) + ',' + (-m[4]) + ',' +
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m[2] + ',' + m[5] + ')';
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return 'matrix(' + str( m[0]) + ',' + str( m[3]) + ',' +
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str(-m[1]) + ',' + str(-m[4]) + ',' +
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str( m[2]) + ',' + str( m[5]) + ')';
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}
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function stepperHelp(list) {
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