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eeshow/misc.c (matrix_to_angle, matrix_is_mirrored): add matrix 0, -1, 1, 0
Probably mirrored + 270 deg.
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06d5a924c6
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@ -35,12 +35,16 @@ unsigned matrix_to_angle(const int m[6])
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return 180;
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if (eq(m, 0, 1, 1, 0))
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return 270;
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if (eq(m, -1, 0, 0, -1))
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return 0;
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if (eq(m, 1, 0, 0, 1)) /* x-flipped */
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return 180;
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if (eq(m, 0, 1, -1, 0)) /* x-flipped, 90 deg */
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return 90;
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if (eq(m, 1, 0, 0, 1)) /* x-flipped */
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return 180;
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if (eq(m, 0, -1, 1, 0)) /* x-flipped, 270 deg */
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return 270;
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fprintf(stderr, "unrecognized matrix %d %d %d %d\n",
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m[1], m[2], m[4], m[5]);
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exit(1);
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@ -60,10 +64,13 @@ bool matrix_is_mirrored(const int m[6])
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if (eq(m, -1, 0, 0, -1))
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return 1;
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if (eq(m, 1, 0, 0, 1))
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return 1;
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if (eq(m, 0, 1, -1, 0))
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return 1;
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if (eq(m, 1, 0, 0, 1))
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return 1;
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if (eq(m, 0, -1, 1, 0))
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return 1;
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assert(0);
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}
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