''' rectangle.py Copyright (C) 2020 - 2024 Phillip A Carter Copyright (C) 2020 - 2024 Gregory D Carl This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. ''' import os import sys import math import gettext for f in sys.path: if '/lib/python' in f: if '/usr' in f: localeDir = 'usr/share/locale' else: localeDir = os.path.join(f'{f.split("/lib")[0]}', 'share', 'locale') break gettext.install("linuxcnc", localedir=localeDir) # Conv is the upstream calling module def preview(Conv, fTmp, fNgc, fNgcBkp, matNumber, matName, preAmble, postAmble, leadinLength, leadoutLength, isCenter, xOffset, yOffset, kerfWidth, isExternal, width, height, angle, styleR1, styleR2, styleR3, styleR4, radiusR1, radiusR2, radiusR3, radiusR4, textR1, textR2, textR3, textR4): error = '' msg1 = _('entry is invalid') valid, xOffset = Conv.conv_is_float(xOffset) if not valid and xOffset: msg0 = _('X ORIGIN') error += 'f{msg0} {msg1}\n\n' valid, yOffset = Conv.conv_is_float(yOffset) if not valid and yOffset: msg0 = _('Y ORIGIN') error += 'f{msg0} {msg1}\n\n' valid, leadinLength = Conv.conv_is_float(leadinLength) if not valid and leadinLength: msg0 = _('LEAD IN') error += 'f{msg0} {msg1}\n\n' valid, leadoutLength = Conv.conv_is_float(leadoutLength) if not valid and leadoutLength: msg0 = _('LEAD OUT') error += 'f{msg0} {msg1}\n\n' valid, width = Conv.conv_is_float(width) if not valid and width: msg0 = _('WIDTH') error += 'f{msg0} {msg1}\n\n' valid, height = Conv.conv_is_float(height) if not valid and height: msg0 = _('HEIGHT') error += 'f{msg0} {msg1}\n\n' valid, angle = Conv.conv_is_float(angle) if not valid and angle: msg0 = _('ANGLE') error += 'f{msg0} {msg1}\n\n' valid, radius1 = Conv.conv_is_float(radiusR1) if not valid and radiusR1: error += f'{textR1} {msg1}\n\n' valid, radius2 = Conv.conv_is_float(radiusR2) if not valid and radiusR2: error += f'{textR2} {msg1}\n\n' valid, radius3 = Conv.conv_is_float(radiusR3) if not valid and radiusR3: error += f'{textR3} {msg1}\n\n' valid, radius4 = Conv.conv_is_float(radiusR4) if not valid and radiusR4: error += f'{textR4} {msg1}\n\n' valid, kerfWidth = Conv.conv_is_float(kerfWidth) if not valid: msg = _('Kerf Width entry in material is invalid') error += f'{msg}\n\n' if error: return error if width == 0: msg = _('WIDTH cannot be zero') error += f'{msg}\n\n' if height == 0: msg = _('HEIGHT cannot be zero') error += f'{msg}\n\n' if width and height: msg0 = _('cannot be greater than') if isExternal: maxH = height maxW = width else: maxH = height + kerfWidth * -1 maxW = width + kerfWidth * -1 max = min(maxW / 2, maxH) if radius1 > max: error += f'{textR1} {msg0} {max}\n\n' if radius2 > max: error += f'{textR2} {msg0} {max}\n\n' if radius3 > maxH: error += f'{textR3} {msg0} {maxH}\n\n' if radius4 > maxH: error += f'{textR4} {msg0} {maxH}\n\n' if radius3 + radius4 > maxW: error += f'{textR3} + {textR4} {msg0} {maxW}\n\n' if radius1 + radius3 > maxH: error += f'{textR1} + {textR3} {msg0} {maxH}\n\n' if radius2 + radius4 > maxH: error += f'{textR2} + {textR4} {msg0} {maxH}\n\n' radii = [None, radius1, radius2, radius3, radius4] texts = [None, textR1, textR2, textR3, textR4] for r in range(1, 5): if radii[r] and radii[r] < kerfWidth / 2: msg0 = _('can not be less than kerf radius') error += f'{texts[r]} {msg0}\n\n' if error: return error angle = math.radians(angle) leadInOffset = math.sin(math.radians(45)) * leadinLength leadOutOffset = math.sin(math.radians(45)) * leadoutLength kOffset = kerfWidth / 2 if isExternal: width = width + kerfWidth height = height + kerfWidth else: width = width - kerfWidth height = height - kerfWidth right = math.radians(0) up = math.radians(90) left = math.radians(180) down = math.radians(270) if isExternal: if radius1: if styleR1 == 'extRadius': radius1 += kOffset elif styleR1 == 'chamfer': radius1 += kOffset * math.tan(math.radians(22.5)) if radius2: if styleR2 == 'extRadius': radius2 += kOffset elif styleR2 == 'chamfer': radius2 += kOffset * math.tan(math.radians(22.5)) if radius3: if styleR3 == 'extRadius': radius3 += kOffset elif styleR3 == 'chamfer': radius3 += kOffset * math.tan(math.radians(22.5)) if radius4: if styleR4 == 'extRadius': radius4 += kOffset elif styleR4 == 'chamfer': radius4 += kOffset * math.tan(math.radians(22.5)) else: if radius1: if styleR1 == 'extRadius': radius1 -= kOffset elif styleR1 == 'chamfer': radius1 -= kOffset * math.tan(math.radians(22.5)) if radius2: if styleR2 == 'extRadius': radius2 -= kOffset elif styleR2 == 'chamfer': radius2 -= kOffset * math.tan(math.radians(22.5)) if radius3: if styleR3 == 'extRadius': radius3 -= kOffset elif styleR3 == 'chamfer': radius3 -= kOffset * math.tan(math.radians(22.5)) if radius4: if styleR4 == 'extRadius': radius4 -= kOffset elif styleR4 == 'chamfer': radius4 -= kOffset * math.tan(math.radians(22.5)) xLB = width - (radius3 + radius4) xLT = width - (radius1 + radius2) xC = width / 2 yLR = height - (radius2 + radius4) yLL = height - (radius1 + radius3) yC = height / 2 blLength = math.sqrt(xC ** 2 + (yC * 2) ** 2) blAngle = math.atan((yC * 2) / xC) if isCenter: if isExternal: xS = xOffset + ((yC - radius2) * math.cos(angle + up)) + (xC * math.cos(angle + right)) yS = yOffset + ((yC - radius2) * math.sin(angle + up)) + (xC * math.sin(angle + right)) else: xS = xOffset + yC * math.cos(angle + up) yS = yOffset + yC * math.sin(angle + up) else: if isExternal: xS = xOffset + (width * math.cos(angle + up)) + (width * math.cos(angle + right)) yS = yOffset + ((height - radius2) * math.sin(angle + up)) + (width * math.sin(angle + right)) else: xS = xOffset + (blLength * math.cos(angle + right + blAngle)) yS = yOffset + (blLength * math.sin(angle + right + blAngle)) outTmp = open(fTmp, 'w') outNgc = open(fNgc, 'w') inWiz = open(fNgcBkp, 'r') for line in inWiz: line = line.strip() if line and line[0] not in ';': if '(new conversational file)' in line: if('\\n') in preAmble: outNgc.write('(preamble)\n') for l in preAmble.split('\\n'): outNgc.write(f'{l}\n') else: outNgc.write(f'\n{preAmble} (preamble)\n') break elif '(postamble)' in line: break elif 'M2' in line.upper() or 'M02' in line.upper() or 'M30' in line.upper(): continue outNgc.write(f"{line}\n") outTmp.write('\n(conversational rectangle)\n') outTmp.write(f';using material #{matNumber}: {matName}\n') outTmp.write(f'M190 P{matNumber}\n') outTmp.write('M66 P3 L3 Q1\n') outTmp.write('F#<_hal[plasmac.cut-feed-rate]>\n') if isExternal: if leadInOffset > 0: xlCentre = xS + (leadInOffset * math.cos(angle + right)) ylCentre = yS + (leadInOffset * math.sin(angle + right)) xlStart = xlCentre + (leadInOffset * math.cos(angle + up)) ylStart = ylCentre + (leadInOffset * math.sin(angle + up)) outTmp.write(f'G00 X{xlStart:.6f} Y{ylStart:.6f}\n') outTmp.write('M03 $0 S1\n') outTmp.write(f'G03 X{xS:.6f} Y{yS:.6f} I{xlCentre - xlStart:.6f} J{ylCentre - ylStart:.6f}\n') else: outTmp.write(f'G00 X{xS:.6f} Y{yS:.6f}\n') outTmp.write('M03 $0 S1\n') x1 = xS + yLR * math.cos(angle + down) y1 = yS + yLR * math.sin(angle + down) outTmp.write(f'G01 X{x1:.6f} Y{y1:.6f}\n') if radius4: if styleR4 == 'intRadius': xrCentre = x1 + (radius4 * math.cos(angle + down)) yrCentre = y1 + (radius4 * math.sin(angle + down)) xrEnd = xrCentre + (radius4 * math.cos(angle + left)) yrEnd = yrCentre + (radius4 * math.sin(angle + left)) outTmp.write(f'G03 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x1:.6f} J{yrCentre - y1:.6f}\n') else: xrCentre = x1 + (radius4 * math.cos(angle + left)) yrCentre = y1 + (radius4 * math.sin(angle + left)) xrEnd = xrCentre + (radius4 * math.cos(angle + down)) yrEnd = yrCentre + (radius4 * math.sin(angle + down)) if styleR4 == 'extRadius': outTmp.write(f'G02 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x1:.6f} J{yrCentre - y1:.6f}\n') else: outTmp.write(f'G01 X{xrEnd:.6f} Y{yrEnd:.6f}\n') x2 = xrEnd + xLB * math.cos(angle + left) y2 = yrEnd + xLB * math.sin(angle + left) else: x2 = x1 + xLB * math.cos(angle + left) y2 = y1 + xLB * math.sin(angle + left) outTmp.write(f'G01 X{x2:.6f} Y{y2:.6f}\n') if radius3: if styleR3 == 'intRadius': xrCentre = x2 + (radius3 * math.cos(angle + left)) yrCentre = y2 + (radius3 * math.sin(angle + left)) xrEnd = xrCentre + (radius3 * math.cos(angle + up)) yrEnd = yrCentre + (radius3 * math.sin(angle + up)) outTmp.write(f'G03 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x2:.6f} J{yrCentre - y2:.6f}\n') else: xrCentre = x2 + (radius3 * math.cos(angle + up)) yrCentre = y2 + (radius3 * math.sin(angle + up)) xrEnd = xrCentre + (radius3 * math.cos(angle + left)) yrEnd = yrCentre + (radius3 * math.sin(angle + left)) if styleR3 == 'extRadius': outTmp.write(f'G02 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x2:.6f} J{yrCentre - y2:.6f}\n') else: outTmp.write(f'G01 X{xrEnd:.6f} Y{yrEnd:.6f}\n') x3 = xrEnd + yLL * math.cos(angle + up) y3 = yrEnd + yLL * math.sin(angle + up) else: x3 = x2 + yLL * math.cos(angle + up) y3 = y2 + yLL * math.sin(angle + up) outTmp.write(f'G01 X{x3:.6f} Y{y3:.6f}\n') if radius1: if styleR1 == 'intRadius': xrCentre = x3 + (radius1 * math.cos(angle + up)) yrCentre = y3 + (radius1 * math.sin(angle + up)) xrEnd = xrCentre + (radius1 * math.cos(angle + right)) yrEnd = yrCentre + (radius1 * math.sin(angle + right)) outTmp.write(f'G03 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x3:.6f} J{yrCentre - y3:.6f}\n') else: xrCentre = x3 + (radius1 * math.cos(angle + right)) yrCentre = y3 + (radius1 * math.sin(angle + right)) xrEnd = xrCentre + (radius1 * math.cos(angle + up)) yrEnd = yrCentre + (radius1 * math.sin(angle + up)) if styleR1 == 'extRadius': outTmp.write(f'G02 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x3:.6f} J{yrCentre - y3:.6f}\n') else: outTmp.write(f'G01 X{xrEnd:.6f} Y{yrEnd:.6f}\n') x4 = xrEnd + xLT * math.cos(angle + right) y4 = yrEnd + xLT * math.sin(angle + right) else: x4 = x3 + xLT * math.cos(angle + right) y4 = y3 + xLT * math.sin(angle + right) outTmp.write(f'G01 X{x4:.6f} Y{y4:.6f}\n') if radius2: if styleR2 == 'intRadius': xrCentre = x4 + (radius2 * math.cos(angle + right)) yrCentre = y4 + (radius2 * math.sin(angle + right)) xrEnd = xrCentre + (radius2 * math.cos(angle + down)) yrEnd = yrCentre + (radius2 * math.sin(angle + down)) outTmp.write(f'G03 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x4:.6f} J{yrCentre - y4:.6f}\n') else: xrCentre = x4 + (radius2 * math.cos(angle + down)) yrCentre = y4 + (radius2 * math.sin(angle + down)) xrEnd = xrCentre + (radius2 * math.cos(angle + right)) yrEnd = yrCentre + (radius2 * math.sin(angle + right)) if styleR2 == 'extRadius': outTmp.write(f'G02 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x4:.6f} J{yrCentre - y4:.6f}\n') else: outTmp.write(f'G01 X{xrEnd:.6f} Y{yrEnd:.6f}\n') else: if leadInOffset > 0: xlCentre = xS + (leadInOffset * math.cos(angle + down)) ylCentre = yS + (leadInOffset * math.sin(angle + down)) xlStart = xlCentre + (leadInOffset * math.cos(angle + right)) ylStart = ylCentre + (leadInOffset * math.sin(angle + right)) outTmp.write(f'G00 X{xlStart:.6f} Y{ylStart:.6f}\n') outTmp.write('M03 $0 S1\n') outTmp.write(f'G03 X{xS:.6f} Y{yS:.6f} I{xlCentre - xlStart:.6f} J{ylCentre - ylStart:.6f}\n') else: outTmp.write(f'G00 X{xS:.6f} Y{yS:.6f}\n') outTmp.write('M03 $0 S1\n') x1 = xS + ((xLT - (radius1 - radius2)) / 2) * math.cos(angle + left) y1 = yS + ((xLT - (radius1 - radius2)) / 2) * math.sin(angle + left) outTmp.write(f'G01 X{x1:.6f} Y{y1:.6f}\n') if radius1: if styleR1 == 'intRadius': xrCentre = x1 + (radius1 * math.cos(angle + left)) yrCentre = y1 + (radius1 * math.sin(angle + left)) xrEnd = xrCentre + (radius1 * math.cos(angle + down)) yrEnd = yrCentre + (radius1 * math.sin(angle + down)) outTmp.write(f'G02 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x1:.6f} J{yrCentre - y1:.6f}\n') else: xrCentre = x1 + (radius1 * math.cos(angle + down)) yrCentre = y1 + (radius1 * math.sin(angle + down)) xrEnd = xrCentre + (radius1 * math.cos(angle + left)) yrEnd = yrCentre + (radius1 * math.sin(angle + left)) if styleR1 == 'extRadius': outTmp.write(f'G03 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x1:.6f} J{yrCentre - y1:.6f}\n') else: outTmp.write(f'G01 X{xrEnd:.6f} Y{yrEnd:.6f}\n') x2 = xrEnd + yLL * math.cos(angle + down) y2 = yrEnd + yLL * math.sin(angle + down) else: x2 = x1 + yLL * math.cos(angle + down) y2 = y1 + yLL * math.sin(angle + down) outTmp.write(f'G01 X{x2:.6f} Y{y2:.6f}\n') if radius3: if styleR3 == 'intRadius': xrCentre = x2 + (radius3 * math.cos(angle + down)) yrCentre = y2 + (radius3 * math.sin(angle + down)) xrEnd = xrCentre + (radius3 * math.cos(angle + right)) yrEnd = yrCentre + (radius3 * math.sin(angle + right)) outTmp.write(f'G02 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x2:.6f} J{yrCentre - y2:.6f}\n') else: xrCentre = x2 + (radius3 * math.cos(angle + right)) yrCentre = y2 + (radius3 * math.sin(angle + right)) xrEnd = xrCentre + (radius3 * math.cos(angle + down)) yrEnd = yrCentre + (radius3 * math.sin(angle + down)) if styleR3 == 'extRadius': outTmp.write(f'G03 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x2:.6f} J{yrCentre - y2:.6f}\n') else: outTmp.write(f'G01 X{xrEnd:.6f} Y{yrEnd:.6f}\n') x3 = xrEnd + xLB * math.cos(angle + right) y3 = yrEnd + xLB * math.sin(angle + right) else: x3 = x2 + xLB * math.cos(angle + right) y3 = y2 + xLB * math.sin(angle + right) outTmp.write(f'G01 X{x3:.6f} Y{y3:.6f}\n') if radius4: if styleR4 == 'intRadius': xrCentre = x3 + (radius4 * math.cos(angle + right)) yrCentre = y3 + (radius4 * math.sin(angle + right)) xrEnd = xrCentre + (radius4 * math.cos(angle + up)) yrEnd = yrCentre + (radius4 * math.sin(angle + up)) outTmp.write(f'G02 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x3:.6f} J{yrCentre - y3:.6f}\n') else: xrCentre = x3 + (radius4 * math.cos(angle + up)) yrCentre = y3 + (radius4 * math.sin(angle + up)) xrEnd = xrCentre + (radius4 * math.cos(angle + right)) yrEnd = yrCentre + (radius4 * math.sin(angle + right)) if styleR4 == 'extRadius': outTmp.write(f'G03 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x3:.6f} J{yrCentre - y3:.6f}\n') else: outTmp.write(f'G01 X{xrEnd:.6f} Y{yrEnd:.6f}\n') x4 = xrEnd + yLR * math.cos(angle + up) y4 = yrEnd + yLR * math.sin(angle + up) else: x4 = x3 + yLR * math.cos(angle + up) y4 = y3 + yLR * math.sin(angle + up) outTmp.write(f'G01 X{x4:.6f} Y{y4:.6f}\n') if radius2: if styleR2 == 'intRadius': xrCentre = x4 + (radius2 * math.cos(angle + up)) yrCentre = y4 + (radius2 * math.sin(angle + up)) xrEnd = xrCentre + (radius2 * math.cos(angle + left)) yrEnd = yrCentre + (radius2 * math.sin(angle + left)) outTmp.write(f'G02 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x4:.6f} J{yrCentre - y4:.6f}\n') else: xrCentre = x4 + (radius2 * math.cos(angle + left)) yrCentre = y4 + (radius2 * math.sin(angle + left)) xrEnd = xrCentre + (radius2 * math.cos(angle + up)) yrEnd = yrCentre + (radius2 * math.sin(angle + up)) if styleR2 == 'extRadius': outTmp.write(f'G03 X{xrEnd:.6f} Y{yrEnd:.6f} I{xrCentre - x4:.6f} J{yrCentre - y4:.6f}\n') else: outTmp.write(f'G01 X{xrEnd:.6f} Y{yrEnd:.6f}\n') outTmp.write(f'G01 X{xS:.6f} Y{yS:.6f}\n') if leadOutOffset > 0: # and not (isExternal and radius2): if isExternal and not radius2: dir = ['G02', down, right] elif isExternal and radius2: dir = ['G03', right, down] else: dir = ['G03', down, left] xlCentre = xS + (leadOutOffset * math.cos(angle + dir[1])) ylCentre = yS + (leadOutOffset * math.sin(angle + dir[1])) xlEnd = xlCentre + (leadOutOffset * math.cos(angle + dir[2])) ylEnd = ylCentre + (leadOutOffset * math.sin(angle + dir[2])) outTmp.write(f'{dir[0]} X{xlEnd:.6f} Y{ylEnd:.6f} I{xlCentre - xS:.6f} J{ylCentre - yS:.6f}\n') outTmp.write('G40\n') outTmp.write('M05 $0\n') outTmp.close() outTmp = open(fTmp, 'r') for line in outTmp: outNgc.write(line) outTmp.close() if('\\n') in postAmble: outNgc.write('\n(postamble)\n') for l in postAmble.split('\\n'): outNgc.write(f'{l}\n') else: outNgc.write(f'\n{postAmble} (postamble)\n') outNgc.write('M02\n') outNgc.close() return False