38 | | The code moved to <https://gist.github.com/703363>. |
| 38 | https://gist.github.com/703363> |
| 39 | |
| 40 | {{{ |
| 41 | #!c |
| 42 | // |
| 43 | // Export the EAGLE cream layers to DXF for the Craft-ROBO cutting machine. |
| 44 | // |
| 45 | // Copyright (c) 2010 Switch Science, Inc. |
| 46 | // |
| 47 | |
| 48 | string HEADER = |
| 49 | " 0\n" |
| 50 | "SECTION\n" |
| 51 | " 2\n" |
| 52 | "HEADER\n" |
| 53 | " 9\n" |
| 54 | "$ACADVER\n" |
| 55 | " 1\n" |
| 56 | "AC1014\n" |
| 57 | " 9\n" |
| 58 | "$HANDSEED\n" |
| 59 | " 5\n" |
| 60 | "FFFF\n" |
| 61 | " 9\n" |
| 62 | "$MEASUREMENT\n" |
| 63 | " 70\n" |
| 64 | " 1\n" // unit: mm |
| 65 | " 0\n" |
| 66 | "ENDSEC\n" |
| 67 | " 0\n" |
| 68 | "SECTION\n" |
| 69 | " 2\n" |
| 70 | "ENTITIES\n"; |
| 71 | |
| 72 | string POLYLINE = |
| 73 | " 0\n" |
| 74 | "LWPOLYLINE\n" |
| 75 | " 5\n" |
| 76 | "%d\n" // id |
| 77 | "100\n" |
| 78 | "AcDbEntity\n" |
| 79 | " 8\n" |
| 80 | "0\n" |
| 81 | " 62\n" |
| 82 | "7\n" |
| 83 | "100\n" |
| 84 | "AcDbPolyline\n" |
| 85 | " 90\n" |
| 86 | "%d\n" // number of points |
| 87 | " 70\n" |
| 88 | "0\n"; |
| 89 | |
| 90 | string POINT = |
| 91 | " 10\n" |
| 92 | "%f\n" |
| 93 | " 20\n" |
| 94 | "%f\n" |
| 95 | " 30\n" |
| 96 | "0.0\n"; |
| 97 | |
| 98 | string TRAILER = |
| 99 | " 0\n" |
| 100 | "ENDSEC\n" |
| 101 | " 0\n" |
| 102 | "EOF\n"; |
| 103 | |
| 104 | void processLayer(UL_BOARD B, int layer) { |
| 105 | int cream = (layer == LAYER_TOP ? LAYER_TCREAM : LAYER_BCREAM); |
| 106 | int id = 100; |
| 107 | printf("%s", HEADER); |
| 108 | B.elements(E) { |
| 109 | E.package.contacts(C) { |
| 110 | if (C.smd && C.smd.layer == layer) { |
| 111 | real x = C.smd.x / 10000.0; |
| 112 | real y = C.smd.y / 10000.0; |
| 113 | real w = C.smd.dx[cream] / 10000.0 / 2; |
| 114 | real h = C.smd.dy[cream] / 10000.0 / 2; |
| 115 | real a = C.smd.angle / 181 * PI; |
| 116 | real wc = w * cos(a); |
| 117 | real hs = h * sin(a); |
| 118 | real ws = w * sin(a); |
| 119 | real hc = h * cos(a); |
| 120 | printf(POLYLINE, id++, 6); // 6 points |
| 121 | printf(POINT, x + wc - hs, y + ws + hc); // a |
| 122 | printf(POINT, x - wc - hs, y - ws + hc); // b |
| 123 | printf(POINT, x - wc + hs, y - ws - hc); // c |
| 124 | printf(POINT, x + wc + hs, y + ws - hc); // d |
| 125 | printf(POINT, x + wc - hs, y + ws + hc); // a; close the rectangle |
| 126 | printf(POINT, x - wc - hs, y - ws + hc); // b; one more line |
| 127 | } |
| 128 | } |
| 129 | } |
| 130 | printf("%s", TRAILER); |
| 131 | } |
| 132 | |
| 133 | board(B) { |
| 134 | output(filesetext(B.name, "-tcream.dxf")) processLayer(B, LAYER_TOP); |
| 135 | output(filesetext(B.name, "-bcream.dxf")) processLayer(B, LAYER_BOTTOM); |
| 136 | } |
| 137 | }}} |