1 files changed, 303 insertions, 0 deletions
diff --git a/app/help/mkxpmbutt.c b/app/help/mkxpmbutt.c
new file mode 100644
index 0000000..4b09a80
--- /dev/null
+++ b/app/help/mkxpmbutt.c
@@ -0,0 +1,303 @@
+
+/*  XTrkCad - Model Railroad CAD
+ *  Copyright (C) 2005 Dave Bullis
+ *
+ *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct {
+	int w;
+	int h;
+	char * b;
+	} bitmap_t;
+
+#define RGB(R,G,B) (((R)<<16)|((G)<<8)|(B))
+
+static struct {
+	long rgb;
+	int key;
+	} mainColorMap[256];
+static int mainColorCnt;
+static int fileColorMap[256];
+
+static int sizeColorMap( void )
+{
+	return mainColorCnt;
+}
+
+static void printColorMap( FILE * fout )
+{
+	int inx, r, g, b;
+	long rgb;
+	for ( inx=0; inx<mainColorCnt; inx++ ) {
+		rgb = mainColorMap[inx].rgb;
+		r = (rgb>>16)&0xFF;
+		g = (rgb>>8)&0xFF;
+		b = (rgb)&0xFF;
+		fprintf( fout, "\"%c\tc #%2.2X%s%2.2X%s%2.2X%s\",\n",
+			mainColorMap[inx].key,
+			r, ((r&1)?"FF":"00"),
+			g, ((g&1)?"FF":"00"),
+			b, ((b&1)?"FF":"00") );
+	}
+}
+
+static int allocColor( long color )
+{
+	int inx;
+	for ( inx=0; inx<mainColorCnt; inx++ ) {
+		if ( mainColorMap[inx].rgb == color )
+			return mainColorMap[inx].key;
+	}
+	if ( mainColorCnt >= 256 ) {
+		fprintf( stderr, "too many colors\n" );
+		exit(1);
+	}
+	mainColorMap[mainColorCnt].rgb = color;
+	mainColorMap[mainColorCnt].key = mainColorCnt+'0';
+	return mainColorMap[mainColorCnt++].key;
+}
+
+static void resetColor( void )
+{
+	int inx;
+	for ( inx=0; inx<256; inx++ )
+		fileColorMap[inx] = -1;
+}
+
+static void mapColor( int inx, long rgb )
+{
+	fileColorMap[inx] = allocColor(rgb);
+}
+
+static int remapColor( int oldColor )
+{
+	int newColor;
+	newColor = fileColorMap[oldColor];
+	if ( newColor < 0 ) {
+		fprintf( stderr, "unknown color inx: %d\n", oldColor );
+		return ' ';
+	}
+	return newColor;
+}
+
+static int read_xpm(
+	char * filename,
+	int *rw,
+	int *rh,
+	int bx,
+	int by,
+	bitmap_t *bm )
+{
+	char line[1024], *cp, *cq, *buffer, color[5];
+	FILE * f;
+	int numcol, curcol, depth, linenum;
+	int col, row, len, r, g, b;
+	long rgb;
+	
+	f = fopen( filename, "r" );
+	if ( !f ) {
+		perror( filename );
+		return 0;
+	}
+	numcol = -1;
+	curcol = 0;
+	linenum = 0;
+	resetColor();
+	row = by;
+	while (fgets( line, sizeof line, f ) ) {
+		linenum++;
+		if ( line[0] != '"' )
+			continue;
+		if ( numcol == -1 ) {
+			if ( sscanf( line+1, "%d%d%d%d", rw, rh, &numcol, &depth ) != 4 ) {
+				fprintf( stderr, "bogus XPM header: %s:%d\n", filename, linenum );
+				return 0;
+			}
+			if (!bm)
+				return 1;
+		} else if ( curcol < numcol ) {
+			if ( strncmp( line+2, "\tc #", 4 ) != 0 ) {
+				fprintf( stderr, "bogus XPM color line: %s:%d\n", filename, linenum );
+				return 0;
+			}
+			color[3] = 0;
+			memcpy( color, line+6, 2 );
+			r = strtol( color, &cp, 16 );
+			memcpy( color, line+10, 2 );
+			g = strtol( color, &cp, 16 );
+			memcpy( color, line+14, 2 );
+			b = strtol( color, &cp, 16 );
+			rgb = RGB(r,g,b);
+			if ( curcol == 0 )
+				fileColorMap[line[1]] = '0';
+			else
+				mapColor( line[1], rgb );
+			curcol++;
+		} else {
+			if ( row > by+*rh ) {
+				fprintf( stderr, "too many data lines: %s:%d\n", filename, linenum );
+				return 0;
+			}
+			if ( row > bm->h )
+				return 1;
+			cp = line+1;
+			for ( col=0; col<*rw; col++,cp++ ) {
+				if ( bx+col > bm->w )
+					break;
+				if ( *cp == '"' ) {
+					fprintf( stderr, "short data line: %s:%d\n", filename, linenum );
+					return 0;
+				}
+				bm->b[bx+col+bm->w*row] = remapColor( *cp );
+			}
+			row++;
+		}
+	}
+	fclose( f );
+	return 1;
+}
+
+static void drawVline(
+	bitmap_t * bm,
+	int col,
+	int x,
+	int y0,
+	int y1 )
+{
+	int jj;
+	if ( x > bm->w )
+		return;
+	for ( jj=y0; jj<=y1; jj++ ) {
+		if ( jj>=bm->h )
+			return;
+		bm->b[jj*bm->w+x] = col;
+	}
+}
+
+
+static void drawHline(
+	bitmap_t * bm,
+	int col,
+	int x0,
+	int x1,
+	int y )
+{
+	int ii;
+	if ( y > bm->h )
+		return;
+	for ( ii=x0; ii<=x1; ii++ ) {
+		if ( ii>=bm->w )
+			return;
+		bm->b[y*bm->w+ii] = col;
+	}
+}
+
+static void fillBlock(
+	bitmap_t * bm,
+	int col,
+	int x,
+	int y,
+	int w,
+	int h )
+{
+	int ii, jj;
+	for ( jj=y; jj<y+h; jj++ ) {
+		if ( jj>bm->h )
+			return;
+		for ( ii=x; ii<x+w; ii++ ) {
+			if ( ii>bm->w )
+				return;
+			bm->b[jj*bm->w+ii] = col;
+		}
+	}
+}
+
+
+int main ( int argc, char * argv[] )
+{
+	char * name;
+	int colWhite, colMdGray, colDkGray, colBlack;
+	int bx, w, h;
+	bitmap_t bm;
+	char ** filename;
+	int ii, jj;
+	char * cp;
+	int argn;
+	
+	if ( argc < 3 ) {
+		fprintf( stderr, "usage: %s NAME FILE1.XPM...\n", argv[0] );
+		exit(1);
+	}
+
+	colMdGray = allocColor( RGB(0xC0,0xC0,0xC0) );
+	colWhite = allocColor( RGB(255,255,255) );
+	colDkGray = allocColor( RGB(0x80,0x80,0x80) );
+	colBlack = allocColor( RGB(0,0,0) );
+	allocColor( RGB(255,0,0) );
+
+	name = argv[1];
+	argc -= 2;
+	filename = &argv[2];
+
+	bm.w = 1;
+	bm.h = 0;
+	for ( argn=0; argn<argc; argn++ ) {
+		if ( !read_xpm( filename[argn], &w, &h, bx+5, 5, NULL ) )
+			return;
+		if ( h+10 > bm.h )
+			bm.h = h+10;
+		bm.w += w+9;
+	}
+
+	bm.b = (char*)malloc( bm.w*bm.h );
+	memset( bm.b, 0, bm.w*bm.h );
+	fillBlock( &bm, colMdGray, 0, 0, bm.w, bm.h );
+ 	bx = 0;
+	for ( argn=0; argn<argc; argn++ ) {
+		if ( !read_xpm( filename[argn], &w, &h, bx+5, 5, &bm ) )
+			return;
+		drawVline( &bm, colBlack, bx+0, 0, bm.h-1 );
+		drawVline( &bm, colWhite, bx+1, 1, bm.h-2 );
+		drawVline( &bm, colWhite, bx+2, 1, bm.h-3 );
+		drawVline( &bm, colDkGray, bx+5+w+2, 2, bm.h-2 );
+		drawVline( &bm, colDkGray, bx+5+w+3, 1, bm.h-2 );
+		drawVline( &bm, colBlack, bx+5+w+4, 0, bm.h-1 );
+
+		drawHline( &bm, colBlack, bx+1, bx+5+w+3, 0 );
+		drawHline( &bm, colWhite, bx+1, bx+5+w+2, 1 );
+		drawHline( &bm, colWhite, bx+1, bx+5+w+1, 2 );
+		drawHline( &bm, colDkGray, bx+2, bx+5+w+1, bm.h-3 );
+		drawHline( &bm, colDkGray, bx+1, bx+5+w+1, bm.h-2 );
+		drawHline( &bm, colBlack, bx+1, bx+5+w+3, bm.h-1 );
+
+		bx += w+9;
+	}
+
+	fprintf( stdout, "/* XPM */\n" );
+	fprintf( stdout, "static char * %s_xpm[] = {\n", name );
+	fprintf( stdout, "\"%d %d %d 1\",\n", bm.w, bm.h, sizeColorMap()+1 );
+	fprintf( stdout, "\"Z\tc #000000000000\",\n" );
+	printColorMap( stdout );
+	cp = bm.b;
+	for ( jj=0; jj<bm.h; jj++ ) {
+		fprintf(stdout, "\"%.*s\"%s\n", bm.w, cp, (jj<bm.h-1?",":"};") );
+		cp += bm.w;
+	}
+}