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|
/* GerberExportSub.m
* Sub class of Gerber export
*
* Copyright (C) 2002-2015 by Cenon GmbH
* Author: Ilonka Fleischmann
*
* created: 2002-04-25
* modified: 2015-07-01 (-exportToFile: select tool for path elements)
* 2008-12-02 (fix: export paths stacked on each other)
* 2008-06-21 (fixes)
*
* This file is part of the Cenon Export Library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Cenon Public License as
* published by the Cenon GmbH. Among other things,
* the License requires that the copyright notices and this notice
* be preserved on all copies.
*
* This library 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 Cenon Public License for more details.
*
* You should have received a copy of the Cenon Public License along
* with this library; see the file LICENSE. If not, write to Cenon.
*
* If you want to link this library to your proprietary software,
* or for other uses which are not covered by the definitions
* laid down in the Cenon Public License, vhf also offers a proprietary
* license scheme. See the vhf internet pages or ask for details.
*
* Cenon GmbH, Schwabstr. 45, 72108 Rottenburg a.N., Germany
* eMail: info@Cenon.com
* http://www.Cenon.de
*/
#include <AppKit/AppKit.h>
#include <VHFShared/vhfCommonFunctions.h>
#include <VHFShared/VHFStringAdditions.h> // stringByReplacing -> eps export
#include <VHFShared/VHFSystemAdditions.h> // NSFileManager
#include "App.h"
#include "GerberExportSub.h"
#include "Graphics.h"
#include "messages.h"
#include "locations.h"
#include "PreferencesMacros.h"
//#define RES 1000
@interface GerberExportSub(PrivateMethods)
- (void)exportPolyLine:(VPolyLine*)g;
- (void)exportRectangle:(VRectangle*)g;
- (void)exportArc:(VArc*)g;
- (void)exportCurve:(VCurve*)g;
- (void)exportText:(VText*)g;
- (void)exportPath:(VPath*)path;
- (void)exportGroup:(VGroup*)group;
@end
@implementation GerberExportSub
- (void)setDocumentView:view
{
docView = view;
}
- (void)exportPolyLine:(VPolyLine*)g
{ int i, cnt = [(VPolyLine*)g numPoints];
// start polygon mode G36*
if ([g filled] && cnt > 3)
[self writePolygonMode:YES];
for (i=0; i<cnt-1; i++)
[self writeLine:[g pointWithNum:i] :[g pointWithNum:i+1]];
// end polygon mode G37*
if ([g filled] && cnt > 3)
[self writePolygonMode:NO];
}
- (void)exportRectangle:(VRectangle*)g
{
if ([g radius] || ![g filled])
[self exportPath:[g pathRepresentation]];
else
{ NSPoint origin, size, center;
[g getVertices:&origin :&size];
center.x = origin.x + size.x/2.0;
center.y = origin.y + size.y/2.0;
[self writeRectangle:center]; // flash to center
}
}
- (void)exportArc:(VArc*)g
{
if (Abs([g angle]) != 360.0 || ![g filled])
{ float angle;
NSPoint center, start, end;
BOOL ccw = 0; // cw -> G02
[g getCenter:¢er start:&start angle:&angle];
end = [g pointWithNum:MAXINT]; // end
if (angle > 0.0) // ccw -> G03
ccw = 1;
[self writeArc:center :start :end :ccw];
}
else
[self writeCircle:[g center]]; // flash
}
- (void)exportCurve:(VCurve*)g
{ NSAutoreleasePool *pool = [NSAutoreleasePool new];
VPath *path;
if ( (path = [g flattenedObjectWithFlatness:0.1]) )
{ int i, cnt = [[path list] count];
for (i=0; i<cnt; i++)
{ id line = [[path list] objectAtIndex:i];
[self writeLine:[line pointWithNum:0] :[line pointWithNum:1]];
}
}
[pool release];
}
- (void)exportText:(VText*)g
{ NSAutoreleasePool *pool = [NSAutoreleasePool new];
id text = [g pathRepresentation];
if (text && [text isKindOfClass:[VPath class]])
[self exportPath:text];
else if (text /*&& [text isKindOfClass:[VGroup class]]*/)
[self exportGroup:text];
[pool release];
}
- (void)exportPath:(VPath*)path
{ int i, j, k, b, cnt=[[path list] count], subPathsCnt = 0, subPathsInCnt = 0;
NSMutableArray *subpaths = [NSMutableArray array], *subpathsIns = [NSMutableArray array];
BOOL lastDrawnIsClear = NO;
/* sort subPaths of path in arrays */
for ( i=0; i<cnt; i=j+1 )
{ VPath *pth = [VPath path];
j = [path getLastObjectOfSubPath:i];
subPathsCnt++;
[pth setFilled:YES];
for ( k=i; k < j+1; k++ )
[[pth list] addObject:[[path list] objectAtIndex:k]];
[subpaths addObject:pth];
}
/* polygons inside must be clear(white) outside must be dark(black)*/
if (subPathsCnt > 1 && [path filled])
{
/* count how many times each subpath is inside all others */
for ( i=0; i<subPathsCnt; i++ )
{ id gr = [[[subpaths objectAtIndex:i] list] objectAtIndex:0]; // first gr in subpath
NSPoint pt = [gr pointAt:0.4];
int inside = 0;
for ( j=0; j< subPathsCnt; j++ )
{ VPath *sp = [subpaths objectAtIndex:j];
if ( i == j )
continue;
if ( [sp isPointInside:pt] )
inside++;
}
[subpathsIns addObject:[NSNumber numberWithInt:inside]];
subPathsInCnt++;
}
}
b = 0;
while ( b >= 0 )
{ BOOL drawed = NO, somethingToDraw = NO;
for ( j=0; j<subPathsCnt; j++ )
{ int inside;
inside = (subPathsInCnt > 1) ? [[subpathsIns objectAtIndex:j] intValue] : 0;
/* !b - we draw only the black one which have no realy no inside ; b - we draw only the white one */
if ( inside == b )
{ somethingToDraw = YES;
break;
}
}
if (!Even(b) && [path filled] && b && subPathsCnt > b && somethingToDraw)
{
[self writeLayerPolarityMode:YES]; // clear
lastDrawnIsClear = YES;
}
else if (Even(b) && [path filled] && b && subPathsCnt > b && somethingToDraw)
{ [self writeLayerPolarityMode:NO]; // dark
lastDrawnIsClear = NO;
}
for ( j=0; j<subPathsCnt; j++ )
{ VPath *sp = [subpaths objectAtIndex:j];
int cnt = [[sp list] count], inside;
inside = (subPathsInCnt > 1) ? [[subpathsIns objectAtIndex:j] intValue] : 0;
/* !b - we draw only the black one which have no realy no inside ; b - we draw only the white one */
if ( !(inside == b) )
continue;
drawed = YES;
// start polygon mode G36*
if ([path filled])
[self writePolygonMode:YES];
for (i=0; i<cnt; i++)
{ id g = [[sp list] objectAtIndex:i];
if ( [g isKindOfClass:[VLine class]] )
[self writeLine:[g pointWithNum:0] :[g pointWithNum:1]];
else if ( [g isKindOfClass:[VPolyLine class]] )
[self exportPolyLine:g];
else if ( [g isKindOfClass:[VRectangle class]] )
[self exportRectangle:g];
else if ( [g isKindOfClass:[VArc class]] )
[self exportArc:g];
else if ( [g isKindOfClass:[VPath class]] )
[self exportPath:g];
else if ( [g isKindOfClass:[VCurve class]] )
[self exportCurve:g];
else NSLog(@"Gerber exportPath g type not implemented\n");
}
// end polygon mode G37*
if ([path filled])
[self writePolygonMode:NO];
}
if ( drawed == NO )
break;
b++;
}
if ([path filled] && lastDrawnIsClear == YES)
[self writeLayerPolarityMode:NO]; // set LayerPolarity back to dark
}
- (void)exportGroup:(VGroup*)group
{ int j, k, cnt=[[group list] count];
int insideIs[cnt], insideCnt = 0, polygonIs[cnt], polyCnt = 0, pathsIns[cnt];
NSRect polyBounds[cnt];
/* get all bounds of polygons and */
/* get all indexes of polygons */
for (j=0; j<cnt; j++)
{ VGraphic *g = [[group list] objectAtIndex:j];
if ([g isKindOfClass:[VPath class]])
{
polygonIs[polyCnt] = j;
polyBounds[polyCnt++] = [g bounds];
}
}
if (polyCnt > 1)
{
/* count how many times each path is inside all others */
for (j=0; j < polyCnt; j++)
{ NSArray *list = [[[group list] objectAtIndex:polygonIs[j]] list];
VGraphic *gr;
NSPoint pt;
int inside = 0;
if (![list count])
continue; // empty group
gr = [list objectAtIndex:0];
pt = [gr pointWithNum:0];
for (k=0; k < polyCnt; k++)
{ NSRect kbounds = polyBounds[k];
if ( j == k )
continue;
if ( NSPointInRect(pt, kbounds) )
inside++;
}
pathsIns[j] = inside;
}
}
/* get all indexes of graphics inside/intersect bounds of polygons */
for (j=0; j<cnt; j++)
{ id g = [[group list] objectAtIndex:j];
if (![g isKindOfClass:[VPath class]])
{ NSRect bounds = [g bounds];
for (k=0; k<polyCnt; k++)
{
if ( vhfIntersectsRect(polyBounds[k], bounds) )
{ insideIs[insideCnt++] = j;
break;
}
}
}
}
/* draw graphics, but polygons, outside bounds of polygons */
/* draw polygons from outside to inside */
/* draw graphics inside bounds of polygons */
for (k=0; k < 3; k++)
{
/* draw polygons from outside to inside */
if ( k == 1 )
{ int b = 0;
while ( b >= 0 )
{ BOOL drawed = NO;
for (j=0; j<polyCnt; j++)
{ int inside;
VPath *sp = [[group list] objectAtIndex:polygonIs[j]];
inside = (polyCnt > 1) ? pathsIns[j] : 0;
/* b == inside; we draw from outside to inside */
if ( !(inside == b) )
continue;
drawed = YES;
[self exportPath:sp];
}
if (drawed == NO)
break;
b++;
}
continue;
}
for (j=0; j<cnt; j++)
{ VGraphic *g = [[group list] objectAtIndex:j];
float w = [g width];
if ( !(!k && ![g isKindOfClass:[VPath class]] && !valueInArray(j, insideIs, insideCnt)) &&
/*!(k == 1 && [g isKindOfClass:[VPath class]]) &&*/
!(k == 2 && ![g isKindOfClass:[VPath class]] && valueInArray(j, insideIs, insideCnt)) )
continue;
if ([g isKindOfClass:[VRectangle class]] && [g filled] && ![(VRectangle*)g radius])
{ NSSize rsize = [(VRectangle*)g size];
[self writeRectangleTool:w+rsize.width :w+rsize.height];
}
else if (w ||
([g isKindOfClass:[VArc class]] && Abs([(VArc*)g angle]) == 360.0 && [(VArc*)g filled]))
{
if ([g isKindOfClass:[VArc class]] && Abs([(VArc*)g angle]) == 360.0 && [(VArc*)g filled])
w += [(VArc*)g radius]*2.0;
[self writeCircleTool:w];
}
if ( [g isKindOfClass:[VLine class]] )
[self writeLine:[g pointWithNum:0] :[g pointWithNum:1]];
else if ( [g isKindOfClass:[VPolyLine class]] )
[self exportPolyLine:(VPolyLine*)g];
else if ( [g isKindOfClass:[VRectangle class]] )
[self exportRectangle:(VRectangle*)g];
else if ( [g isKindOfClass:[VArc class]] )
[self exportArc:(VArc*)g];
else if ( [g isKindOfClass:[VCurve class]] )
[self exportCurve:(VCurve*)g];
else if ( [g isKindOfClass:[VPath class]] )
NSLog(@"GerberExportSub.m: exportToFile, exportPath\n"); /*[self exportPath:(VPath*)g]*/
else if ( [g isKindOfClass:[VGroup class]] )
[self exportGroup:(VGroup*)g];
else if ( [g isKindOfClass:[VText class]] )
[self exportText:(VText*)g];
}
}
/*
for (i=0; i<cnt; i++)
{ id g = [[group list] objectAtIndex:i];
float w = [g width];
if ([g isKindOfClass:[VRectangle class]] && [g filled] && ![(VRectangle*)g radius])
{ NSSize rsize = [(VRectangle*)g size];
[self writeRectangleTool:w+rsize.width :w+rsize.height];
}
else if (w ||
([g isKindOfClass:[VArc class]] && Abs([(VArc*)g angle]) == 360.0 && [(VArc*)g filled]))
{
if ([g isKindOfClass:[VArc class]] && Abs([(VArc*)g angle]) == 360.0 && [(VArc*)g filled])
w += [(VArc*)g radius]*2.0;
[self writeCircleTool:w];
}
if ( [g isKindOfClass:[VLine class]] )
[self writeLine:[g pointWithNum:0] :[g pointWithNum:1]];
else if ( [g isKindOfClass:[VPolyLine class]] )
[self exportPolyLine:g];
else if ( [g isKindOfClass:[VRectangle class]] )
[self exportRectangle:g];
else if ( [g isKindOfClass:[VArc class]] )
[self exportArc:g];
else if ( [g isKindOfClass:[VCurve class]] )
[self exportCurve:g];
else if ( [g isKindOfClass:[VPath class]] )
[self exportPath:g];
else if ( [g isKindOfClass:[VGroup class]] )
[self exportGroup:g];
else NSLog(@"gerber exportGroup g type not implemented\n");
}
*/
}
- (BOOL)exportToFile:(NSString*)filename
{ BOOL savedOk = NO;
NSString *backupFilename;
NSFileManager *fileManager = [NSFileManager defaultManager];
backupFilename = [[[filename stringByDeletingPathExtension] stringByAppendingString:@"~"]
stringByAppendingPathExtension:GERBER_EXT];
/* file not writable */
if ( [fileManager fileExistsAtPath:filename] && ![fileManager isWritableFileAtPath:filename] )
{ NSRunAlertPanel(SAVE_TITLE, CANT_CREATE_BACKUP, nil, nil, nil);
return NO;
}
/* rename to backup */
if ( ([fileManager fileExistsAtPath:backupFilename] &&
![fileManager removeFileAtPath:backupFilename error:NULL])
|| ([fileManager fileExistsAtPath:filename] &&
![fileManager movePath:filename toPath:backupFilename error:NULL]) )
{ NSRunAlertPanel(SAVE_TITLE, CANT_CREATE_BACKUP, nil, nil, nil);
return NO;
}
//else if ( isDirectory && [fileManager createDirectoryAtPath:filename recursive:NO attributes:nil error:NULL] )
//fileDirectory = [filename stringByDeletingLastPathComponent];
/* save */
// if ([fileManager isWritableFileAtPath:filename])
{ NSArray *layerList = [docView layerList];
int i, lcnt = [layerList count];
NSMutableArray *gList = [NSMutableArray array];
// 72 25400 div 72 25400 div scale\n
/* first clip rect */
for (i=0 ; i < lcnt ; i++)
{ LayerObject *lObj = [layerList objectAtIndex:i];
if ([lObj type] == LAYER_CLIPPING || ![lObj state]) // not visible - continue
continue;
/* add all visible objects to gList */
{ int j, cnt = [[lObj list] count];
for (j=0; j<cnt; j++)
[gList addObject:[[lObj list] objectAtIndex:j]];
}
}
/* export gList */
{ int j, k, cnt = [gList count], maxInside = 0;
int insideIs[cnt], insideCnt = 0, polygonIs[cnt], polyCnt = 0, pathsIns[cnt];
NSRect polyBounds[cnt];
/* get all bounds of polygons and */
/* get all indexes of polygons */
for (j=0; j<cnt; j++)
{ id g = [gList objectAtIndex:j];
if ([g isKindOfClass:[VPath class]])
{
polygonIs[polyCnt] = j;
polyBounds[polyCnt++] = [g bounds];
}
}
if (polyCnt > 1)
{
/* count how many times each path is inside all others */
for (j=0; j < polyCnt; j++)
{ id gr = [[[gList objectAtIndex:polygonIs[j]] list] objectAtIndex:0];
NSPoint pt = [gr pointWithNum:0];
int inside = 0;
for (k=0; k < polyCnt; k++)
{ NSRect kbounds = polyBounds[k];
if ( j == k )
continue;
if ( NSPointInRect(pt, kbounds) )
inside++;
}
if ( inside > maxInside )
maxInside = inside;
pathsIns[j] = inside;
}
}
/* get all indexes of graphics inside/intersect bounds of polygons */
for (j=0; j<cnt; j++)
{ id g = [gList objectAtIndex:j];
if (![g isKindOfClass:[VPath class]])
{ NSRect bounds = [g bounds];
for (k=0; k<polyCnt; k++)
{
if ( vhfIntersectsRect(polyBounds[k], bounds) )
{ insideIs[insideCnt++] = j;
break;
}
}
}
}
/* 1. draw graphics, except polygons outside bounds of polygons */
/* 2. draw polygons from outside to inside */
/* 3. draw graphics inside bounds of polygons */
for (k=0; k < 3; k++)
{
/* draw polygons from outside to inside */
if ( k == 1 )
{ int b = 0;
while ( b >= 0 )
{ BOOL drawed = NO;
for (j=0; j<polyCnt; j++)
{ int inside;
VPath *sp = [gList objectAtIndex:polygonIs[j]];
VFloat w = [sp width];
inside = (polyCnt > 1) ? pathsIns[j] : 0;
/* b == inside; we draw from outside to inside */
if ( !(inside == b) )
continue;
drawed = YES;
[self writeCircleTool:(w > 0.0) ? w : 1.0]; // 2015-07-01: set tool for paths too
[self exportPath:sp];
}
if ( b >= maxInside ) // if (drawed == NO)
break;
b++;
}
continue;
}
for (j=0; j<cnt; j++)
{ VGraphic *g = [gList objectAtIndex:j];
float w = [g width];
if ( !(!k && ![g isKindOfClass:[VPath class]] && !valueInArray(j, insideIs, insideCnt)) &&
/*!(k == 1 && [g isKindOfClass:[VPath class]]) &&*/
!(k == 2 && ![g isKindOfClass:[VPath class]] && valueInArray(j, insideIs, insideCnt)) )
continue;
if ([g isKindOfClass:[VRectangle class]] && [g filled] && ![(VRectangle*)g radius])
{ NSSize rsize = [(VRectangle*)g size];
[self writeRectangleTool:w+rsize.width :w+rsize.height];
}
else if (w ||
([g isKindOfClass:[VArc class]] && Abs([(VArc*)g angle]) == 360.0 && [(VArc*)g filled]))
{
if ([g isKindOfClass:[VArc class]] && Abs([(VArc*)g angle]) == 360.0 && [(VArc*)g filled])
w += [(VArc*)g radius]*2.0;
[self writeCircleTool:w];
}
else // 2015-07-01: set tool for path elements too
[self writeCircleTool:(w > 0.0) ? w : 1.0];
if ( [g isKindOfClass:[VLine class]] )
[self writeLine:[g pointWithNum:0] :[g pointWithNum:1]];
else if ( [g isKindOfClass:[VPolyLine class]] )
[self exportPolyLine:(VPolyLine*)g];
else if ( [g isKindOfClass:[VRectangle class]] )
[self exportRectangle:(VRectangle*)g];
else if ( [g isKindOfClass:[VArc class]] )
[self exportArc:(VArc*)g];
else if ( [g isKindOfClass:[VCurve class]] )
[self exportCurve:(VCurve*)g];
else if ( [g isKindOfClass:[VPath class]] )
NSLog(@"GerberExportSub.m: exportToFile, exportPath\n");/*[self exportPath:(VPath*)g];*/
else if ( [g isKindOfClass:[VGroup class]] )
[self exportGroup:(VGroup*)g];
else if ( [g isKindOfClass:[VText class]] )
[self exportText:(VText*)g];
}
}
}
[gList removeAllObjects];
}
savedOk = [self saveToFile:filename];
/* restore backup */
if (!savedOk)
{
[fileManager removeFileAtPath:filename error:NULL]; // remove what we just started to write
[fileManager movePath:backupFilename toPath:filename error:NULL]; // restore backup
NSRunAlertPanel(SAVE_TITLE, CANT_SAVE, nil, nil, nil);
}
else
{
if (Prefs_RemoveBackups)
[fileManager removeFileAtPath:backupFilename error:NULL];
}
return YES;
}
- (void)dealloc
{
[super dealloc];
}
@end
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