diff options
Diffstat (limited to 'app/wlib/gtklib/gtkxpm.c')
| -rw-r--r-- | app/wlib/gtklib/gtkxpm.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/app/wlib/gtklib/gtkxpm.c b/app/wlib/gtklib/gtkxpm.c deleted file mode 100644 index 54ce5a6..0000000 --- a/app/wlib/gtklib/gtkxpm.c +++ /dev/null @@ -1,173 +0,0 @@ -/** \file gtkxpm.c - * XPM creation functions - */ - -/* XTrackCad - Model Railroad CAD - * Copyright (C) 2015 Martin Fischer - * - * 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> -#ifdef HAVE_MALLOC_H -#include <malloc.h> -#endif -#include <string.h> - -#include <gtk/gtk.h> -#include "gtkint.h" - - #include "uthash.h" - -struct xpmColTable { - int color; /* color value (rgb) */ - char name[ 5 ]; /* corresponding character representation */ - UT_hash_handle hh; /* makes this structure hashable */ -}; - -static struct xpmColTable *colTable = NULL; - -// must be 64 chars long -static char colVal[] = ".*0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; - -//struct wDraw_t { - //WOBJ_COMMON - //void * context; - //wDrawActionCallBack_p action; - //wDrawRedrawCallBack_p redraw; - - //double dpi; - - //GdkGC * gc; - //wDrawWidth lineWidth; - //wDrawOpts opts; - //wPos_t maxW; - //wPos_t maxH; - //unsigned long lastColor; - //wBool_t lastColorInverted; - //const char * helpStr; - - //wPos_t lastX; - //wPos_t lastY; - - //wBool_t delayUpdate; - //}; - - /** - * Export as XPM bitmap file. During creation of the color table, a 4 byte color - * encoding is assumed and a table created accordingly. Once the whole picture has been scanned - * the correct number ist known. When writing to disk only the needed number of bytes per entry - * is written. - * This routine was heavily inspired by on implementation for TK written by Jan Nijtmans. - * - * \param d IN the drawing area ? - * \param fileName IN fully qualified filename for the bitmap file. - * \return TRUE on success, FALSE on error - */ - -wBool_t wBitMapWriteFile( wDraw_p d, const char * fileName ) -{ - GdkImage * image; - gint x, y; - guint32 pixel; - FILE * f; - int cc = 0; - struct xpmColTable *ct, *tmp; - int numChars; - - image = gdk_image_get( (GdkWindow*)d->pixmap, 0, 0, d->w, d->h ); - if (!image) { - wNoticeEx( NT_ERROR, "WriteBitMap: image_get failed", "Ok", NULL ); - return FALSE; - } - - f = fopen( fileName, "w" ); - if (!f) { - perror( fileName ); - return FALSE; - } - fprintf( f, "/* XPM */\n" ); - fprintf( f, "static char * xtrkcad_bitmap[] = {\n" ); - fprintf( f, "/* width height num_colors chars_per_pixel */\n" ); - - // count colors used and create the color table in the same pass - for( y = 0; y < d->h;y ++ ) { - for (x = 0; x < d->w; x++ ) { - - pixel = gdk_image_get_pixel( image, x, y ); - //check whether color is new - - HASH_FIND(hh, colTable, &pixel, sizeof( guint32 ), ct); - if( !ct ) { - // not found previously, so add a new color table entry - int i; - int c; - - ct = malloc( sizeof( struct xpmColTable ) ); - ct->name[ 4 ] = '\0'; - for( i = 3, c = cc; i >= 0; i--, c>>=6 ) { - (ct->name)[ i ] = colVal[ c & 0x3F ]; - } - ct->color = pixel; - - HASH_ADD(hh, colTable, color, sizeof( guint32 ), ct); - cc++; - } - } - } - - // calculate how many characters are needed for the color table - numChars = 1; - if( cc > 0x3ffff ) { - numChars = 4; - } else { - if( cc > 0xfff ) { - numChars = 3; - } else { - if( cc > 0x3f ) { - numChars = 2; - } - } - } - // print color table - fprintf( f, "\"%d %d %d %d\"\n", d->w, d->h, cc, numChars ); - fprintf( f, "/* colors */\n" ); - for( ct = colTable; ct != NULL; ct = ct->hh.next ) - fprintf( f, "\"%s c #%6.6x\",\n", (ct->name) + (4 - numChars ), ct->color ); - - // print the pixels - fprintf( f, "/* pixels */\n" ); - for ( y=0; y<d->h; y++ ) { - fprintf( f, "\"" ); - for ( x=0; x<d->w; x++ ) { - pixel = gdk_image_get_pixel( image, x, y ); - HASH_FIND( hh, colTable, &pixel, sizeof(guint32), ct ); - fputs( (ct->name) + (4 - numChars ), f ); - } - fprintf( f, "\"%s\n", (y<d->h-1)?",":"" ); - } - - // delete the hash and free the content - HASH_ITER(hh, colTable, ct, tmp) { - HASH_DEL(colTable,ct); - free(ct); - } - - gdk_image_destroy( image ); - fprintf( f, "};\n" ); - fclose( f ); - return TRUE; -} |