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/*
Copyright (C) 1996-2001 Ulric Eriksson <ulric@siag.nu>
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, 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.
*/
/* ---
embed.c
The bogus, deprecated functions designed to allow embedding of
black-and white X11 bitmaps. Do not touch.
--- */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <X11/StringDefs.h>
#include <X11/Intrinsic.h>
#include <Mowitz/Mowitz.h>
#include "embed.h"
typedef struct s_embed_object {
char *filename;
unsigned int width, height;
Pixmap bitmap;
struct s_embed_object *next;
} embed_object;
static Display *display;
static Screen *screen;
static Pixel fg, bg;
static GC gc;
static embed_object *eo_list;
static embed_object *tag2object(char *tag)
{
embed_object *o;
for (o = eo_list; o; o = o->next)
if (!strcmp(tag, o->filename)) return o;
return NULL;
}
int embed_init(Widget w)
{
unsigned long valuemask = 0;
XGCValues values;
display = XtDisplay(w);
screen = XtScreen(w);
gc = XCreateGC(display, XtWindow(w), valuemask, &values);
fg = BlackPixelOfScreen(screen);
XSetForeground(display, gc, fg);
bg = WhitePixelOfScreen(screen);
XSetBackground(display, gc, bg);
eo_list = NULL;
return EMBED_OK;
}
/* 970909: Changed XReadBitmapFileData to XReadBitmapFile. Fixes X11R5. */
char *embed_load(char *filename)
{
unsigned int width, height;
int x_hot, y_hot;
embed_object *o;
int i;
Pixmap bmp; /* for X11R5 */
/* if the object is already loaded, unload and reload */
embed_unload(filename);
i = XReadBitmapFile(display, XDefaultRootWindow(display),
filename, &width, &height, &bmp, &x_hot, &y_hot);
if (i != BitmapSuccess) return NULL;
o = MwMalloc(sizeof(embed_object));
if (!o) return NULL;
o->filename = MwStrdup(filename); /* unique and recognizable */
o->bitmap = XCreatePixmap(display, XDefaultRootWindow(display),
width, height,
DefaultDepth(display, DefaultScreen(display)));
XCopyPlane(display, bmp, o->bitmap, gc, 0, 0, width, height, 0, 0, 1);
XFreePixmap(display, bmp);
o->width = width;
o->height = height;
o->next = eo_list;
eo_list = o;
return o->filename;
}
int embed_unload(char *tag)
{
embed_object *o = tag2object(tag);
embed_object *o1 = eo_list;
if (!o) return EMBED_ERR;
for (o1 = eo_list; o1; o1 = o1->next) {
if (o1->next == o) {
o1->next = o->next;
XFreePixmap(display, o->bitmap);
MwFree(o->filename);
MwFree(o);
return EMBED_OK;
}
}
return EMBED_ERR;
}
int embed_open(char *tag)
{
char cmd[1024], b[256];
char *p = "bitmap %s";
FILE *fp;
embed_object *o = tag2object(tag);
int found = 0;
if (!o) return EMBED_ERR;
fp = fopen(tag, "r");
if (!fp) return EMBED_ERR;
while (!found && fgets(b, 250, fp)) {
if (!strncmp(b, "EmBeD", 5)) {
found = 1;
strcpy(b, b+5);
p = strchr(b, '\n');
if (p) *p = '\0';
}
}
fclose(fp);
if (!found) {
fprintf(stderr, "Warning: no object info available\n");
strcpy(b, "bitmap %s");
}
sprintf(cmd, b, tag);
system(cmd);
return EMBED_OK;
}
int embed_save(char *tag, char *cmd, Pixmap bitmap)
{
int x, y;
unsigned int width, height;
unsigned int border_width;
unsigned int depth;
Window root;
FILE *fp;
XGetGeometry(display, bitmap, &root, &x, &y,
&width, &height, &border_width, &depth);
XWriteBitmapFile(display, tag, bitmap, width, height, 0, 0);
fp = fopen(tag, "a");
fprintf(fp, "/*\n");
fprintf(fp, "EmBeD%s\n", cmd);
fprintf(fp, "*/\n");
fclose(fp);
return EMBED_OK;
}
int embed_print(FILE *fp, char *tag, int x_base, int y_base)
{
embed_object *o = tag2object(tag);
if (!o) return EMBED_ERR;
fprintf(stderr, "No printing yet\n");
fprintf(fp, "newpath\n");
fprintf(fp, "%d %d moveto\n", x_base, y_base);
fprintf(fp, "%d %d lineto\n", x_base+o->width, y_base);
fprintf(fp, "%d %d lineto\n", x_base+o->width, y_base+o->height);
fprintf(fp, "%d %d lineto\n", x_base, y_base+o->height);
fprintf(fp, "closepath\n");
fprintf(fp, "stroke\n");
return EMBED_ERR;
}
int embed_size(char *tag, unsigned int *width, unsigned int *height)
{
embed_object *o = tag2object(tag);
if (!o) return EMBED_ERR;
if (width) *width = o->width;
if (height) *height = o->height;
return EMBED_OK;
}
int embed_draw(Drawable d, int x, int y, char *tag)
{
embed_object *o = tag2object(tag);
if (!o) return EMBED_ERR;
XCopyArea(display, o->bitmap, d, gc, 0, 0, o->width, o->height, x, y);
return EMBED_OK;
}
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