v08i092: Yet Another Bitmap Viewer, Part01/01

[Robert Thompson]

Submitted-by: Robert Thompson <thompson_r at hpmtlrt.hp.com>
Posting-number: Volume 8, Issue 92
Archive-name: yabv/part01

[ Need I say more? :-)  --dan ]

#---------------------------------- cut here ----------------------------------
# This is a shell archive.  Remove anything before this line,
# then unpack it by saving it in a file and typing "sh file".
#
# Wrapped by  <thompson_r at hpmtlrt> on Mon Aug 20 14:28:20 1990
#
# This archive contains:
#	Imakefile	Makefile	bmv.c		patchlevel.h	
#

LANG=""; export LANG
PATH=/bin:/usr/bin:$PATH; export PATH

echo x - Imakefile
cat >Imakefile <<'@EOF'
LOCAL_LIBRARIES = $(XLIB)
           SRCS = bmv.c
           OBJS = bmv.o

ComplexProgramTarget(bmv)
@EOF

chmod 666 Imakefile

echo x - Makefile
cat >Makefile <<'@EOF'
SRCS=	bmv.c
OBJS=	bmv.o
CC=	cc
CFLAGS=	-O 
LIBS=	-lX11

all:	bmv

bmv:
	cc $(CFLAGS) $@.c -o $@ $(LIBS)

@EOF

chmod 666 Makefile

echo x - bmv.c
cat >bmv.c <<'@EOF'
#include <X11/XHPlib.h>
#include <X11/X.h>
#include <X11/Xutil.h>
#include <stdio.h>
#include "patchlevel.h"

typedef struct {
	Pixmap	pmap;
	char	name[64];
	int	x;
	int	y;
	int	width;
	int	height;
} Image;

Image	image[256];
int	numbms;

main(argc,argv)
int	argc;
char	**argv;
{
	register int	counter,status;
	int	xh,yh;
	int	maxheight = 0;
	int	nextx = 0;
	int	nexty = 30;
	int	lasty = 0;
	GC	gc;
	Window	w;
	Display	*disp;
	XGCValues	values;
	Font		font;

	if (argc < 2)
		{
		printf ("usage: %s file1 [file 2] ... [file 256]\n",argv[0]);
		exit(0);
		}
	else 
		numbms = argc;


	disp = XOpenDisplay("");

	font = XLoadFont(disp,"vtbold");

	w = XCreateSimpleWindow(disp,
		RootWindow(disp,DefaultScreen(disp)),
		0,0,900,800,	
		10,	
		0x000000,
		0x2a5a7b);
	
	XStoreName(disp,w,"Bitmap Viewer v1.0");
	XSetIconName(disp,w,"BMV V1.0");

	values.foreground = 0x000000;
	values.background = 0xffffff;
	values.function   = GXcopy;
	values.font	  = font;

	gc = XCreateGC(disp,w,
		GCFunction|GCForeground|GCBackground|GCFont,&values);

	for (counter=1;counter < argc;counter++) {

	status = XReadBitmapFile(disp,w,argv[counter],
			&image[counter].width,
			&image[counter].height,
			&image[counter].pmap,&xh,&yh);

	if (status != BitmapSuccess)
		fprintf (stderr,"Could not load %s\n",argv[counter]);
	else
		{
		if (nextx > 900 - image[counter].width)
			{
			nexty = lasty + maxheight + 2;
			lasty = nexty;
			nextx = 0;
			maxheight = 0;
			}

		strcpy(image[counter].name,argv[counter]);
		XCopyPlane(disp, image[counter].pmap,w, gc, 0,0,
			image[counter].width,
			image[counter].height,
			nextx,nexty,
			1);

		image[counter].x = nextx;
		image[counter].y = nexty;

		maxheight = (image[counter].height > maxheight ? 
				image[counter].height:maxheight);

		nextx += image[counter].width + 2;
		}
	}

	XMapWindow(disp,w);
	XSelectInput(disp,w, ButtonPressMask|ExposureMask|
		VisibilityChangeMask|KeyPressMask);

	for (;;)
		{
		XEvent	ev;
		XNextEvent(disp,&ev);
		switch (ev.type) {
			case ButtonPress:
				if (!FindBitmap(disp,w,ev,gc))
					break;
			case KeyPress:
				{
				for (counter = 1;counter < argc;counter ++)
				XFreePixmap(disp,image[counter].pmap);
				exit(0);
				}
			case MapNotify:
			case Expose:
				for (counter = 1;counter < argc;counter ++)
				{
				XCopyPlane(disp,
					image[counter].pmap,w,
					gc,
					0,0,
					image[counter].width,
					image[counter].height,
					image[counter].x,
					image[counter].y,
					1);
				}
				break;
			}	
		}
}

int FindBitmap(disp,win,event,gc)
Display	*disp;
Window	win;
XEvent	event;
GC	gc;
{
	int	x = event.xbutton.x;
	int	y = event.xbutton.y;
	register int i;
	char	buf[128];

	for (i = 1;i < numbms;i++)
		if (	x >= image[i].x 		&& 
			y >= image[i].y			&&
			x <= image[i].x+image[i].width	&&
			y <= image[i].y+image[i].height) break;

	switch (event.xbutton.button)
		{
		case 1:
			XClearArea(disp,win,0,0,900,29);
			sprintf(buf,"That bitmap is called: %s",image[i].name);
			XDrawString(disp,win,gc,20,20,buf,strlen(buf));
			break;
		case 2:
			sprintf (buf,"bitmap -nodashed %s",image[i].name);
			system(buf);
			break;
		case 3:
			return (-1);
		}
	return(0);
}
@EOF

chmod 666 bmv.c

echo x - patchlevel.h
cat >patchlevel.h <<'@EOF'
#define PATCHLEVEL 0
@EOF

chmod 666 patchlevel.h

exit 0

dan
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