Convert nx-X11/lib/ build flow from imake to autotools.

1 files changed, 258 insertions, 0 deletions

diff --git a/nx-X11/lib/src/RdBitF.c b/nx-X11/lib/src/RdBitF.c
new file mode 100644
index 000000000..319a0ee0b
--- /dev/null
+++ b/nx-X11/lib/src/RdBitF.c
@@ -0,0 +1,258 @@
+/*
+
+Copyright 1987, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+/*
+ *	Code to read bitmaps from disk files. Interprets
+ *	data from X10 and X11 bitmap files and creates
+ *	Pixmap representations of files. Returns Pixmap
+ *	ID and specifics about image.
+ *
+ *	Modified for speedup by Jim Becker, changed image
+ *	data parsing logic (removed some fscanf()s).
+ *	Aug 5, 1988
+ *
+ * Note that this file and ../Xmu/RdBitF.c look very similar....  Keep them
+ * that way (but don't use common source code so that people can have one
+ * without the other).
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include <nx-X11/Xos.h>
+#include "Xutil.h"
+#include <stdio.h>
+#include <ctype.h>
+
+
+#define MAX_SIZE 255
+
+/* shared data for the image read/parse logic */
+static const short hexTable[256] = {
+    ['0'] = 0,  ['1'] = 1,
+    ['2'] = 2,  ['3'] = 3,
+    ['4'] = 4,  ['5'] = 5,
+    ['6'] = 6,  ['7'] = 7,
+    ['8'] = 8,  ['9'] = 9,
+    ['A'] = 10, ['B'] = 11,
+    ['C'] = 12, ['D'] = 13,
+    ['E'] = 14, ['F'] = 15,
+    ['a'] = 10, ['b'] = 11,
+    ['c'] = 12, ['d'] = 13,
+    ['e'] = 14, ['f'] = 15,
+
+    [' '] = -1, [','] = -1,
+    ['}'] = -1, ['\n'] = -1,
+    ['\t'] = -1
+};
+
+/*
+ *	read next hex value in the input stream, return -1 if EOF
+ */
+static int
+NextInt (
+    FILE *fstream)
+{
+    int	ch;
+    int	value = 0;
+    int gotone = 0;
+    int done = 0;
+
+    /* loop, accumulate hex value until find delimiter  */
+    /* skip any initial delimiters found in read stream */
+
+    while (!done) {
+	ch = getc(fstream);
+	if (ch == EOF) {
+	    value	= -1;
+	    done++;
+	} else {
+	    /* trim high bits, check type and accumulate */
+	    ch &= 0xff;
+	    if (isascii(ch) && isxdigit(ch)) {
+		value = (value << 4) + hexTable[ch];
+		gotone++;
+	    } else if ((hexTable[ch]) < 0 && gotone)
+	      done++;
+	}
+    }
+    return value;
+}
+
+int
+XReadBitmapFileData (
+    _Xconst char *filename,
+    unsigned int *width,                /* RETURNED */
+    unsigned int *height,               /* RETURNED */
+    unsigned char **data,               /* RETURNED */
+    int *x_hot,                         /* RETURNED */
+    int *y_hot)                         /* RETURNED */
+{
+    FILE *fstream;			/* handle on file  */
+    unsigned char *bits = NULL;		/* working variable */
+    char line[MAX_SIZE];		/* input line from file */
+    int size;				/* number of bytes of data */
+    char name_and_type[MAX_SIZE];	/* an input line */
+    char *type;				/* for parsing */
+    int value;				/* from an input line */
+    int version10p;			/* boolean, old format */
+    int padding;			/* to handle alignment */
+    int bytes_per_line;			/* per scanline of data */
+    unsigned int ww = 0;		/* width */
+    unsigned int hh = 0;		/* height */
+    int hx = -1;			/* x hotspot */
+    int hy = -1;			/* y hotspot */
+
+    if (!(fstream = fopen(filename, "r")))
+	return BitmapOpenFailed;
+
+    /* error cleanup and return macro	*/
+#define	RETURN(code) \
+{ Xfree (bits); fclose (fstream); return code; }
+
+    while (fgets(line, MAX_SIZE, fstream)) {
+	if (strlen(line) == MAX_SIZE-1)
+	    RETURN (BitmapFileInvalid);
+	if (sscanf(line,"#define %s %d",name_and_type,&value) == 2) {
+	    if (!(type = strrchr(name_and_type, '_')))
+	      type = name_and_type;
+	    else
+	      type++;
+
+	    if (!strcmp("width", type))
+	      ww = (unsigned int) value;
+	    if (!strcmp("height", type))
+	      hh = (unsigned int) value;
+	    if (!strcmp("hot", type)) {
+		if (type-- == name_and_type || type-- == name_and_type)
+		  continue;
+		if (!strcmp("x_hot", type))
+		  hx = value;
+		if (!strcmp("y_hot", type))
+		  hy = value;
+	    }
+	    continue;
+	}
+
+	if (sscanf(line, "static short %s = {", name_and_type) == 1)
+	  version10p = 1;
+	else if (sscanf(line,"static unsigned char %s = {",name_and_type) == 1)
+	  version10p = 0;
+	else if (sscanf(line, "static char %s = {", name_and_type) == 1)
+	  version10p = 0;
+	else
+	  continue;
+
+	if (!(type = strrchr(name_and_type, '_')))
+	  type = name_and_type;
+	else
+	  type++;
+
+	if (strcmp("bits[]", type))
+	  continue;
+
+	if (!ww || !hh)
+	  RETURN (BitmapFileInvalid);
+
+	if ((ww % 16) && ((ww % 16) < 9) && version10p)
+	  padding = 1;
+	else
+	  padding = 0;
+
+	bytes_per_line = (ww+7)/8 + padding;
+
+	size = bytes_per_line * hh;
+	bits = Xmalloc (size);
+	if (!bits)
+	  RETURN (BitmapNoMemory);
+
+	if (version10p) {
+	    unsigned char *ptr;
+	    int bytes;
+
+	    for (bytes=0, ptr=bits; bytes<size; (bytes += 2)) {
+		if ((value = NextInt(fstream)) < 0)
+		  RETURN (BitmapFileInvalid);
+		*(ptr++) = value;
+		if (!padding || ((bytes+2) % bytes_per_line))
+		  *(ptr++) = value >> 8;
+	    }
+	} else {
+	    unsigned char *ptr;
+	    int bytes;
+
+	    for (bytes=0, ptr=bits; bytes<size; bytes++, ptr++) {
+		if ((value = NextInt(fstream)) < 0)
+		  RETURN (BitmapFileInvalid);
+		*ptr=value;
+	    }
+	}
+
+	/* If we got to this point, we read a full bitmap file. Break so we don't
+	 * start reading another one from the same file and leak the memory
+	 * allocated for the previous one. */
+	break;
+    }					/* end while */
+
+    fclose(fstream);
+    if (!bits)
+	return (BitmapFileInvalid);
+
+    *data = bits;
+    *width = ww;
+    *height = hh;
+    if (x_hot) *x_hot = hx;
+    if (y_hot) *y_hot = hy;
+
+    return (BitmapSuccess);
+}
+
+int
+XReadBitmapFile (
+    Display *display,
+    Drawable d,
+    _Xconst char *filename,
+    unsigned int *width,                /* RETURNED */
+    unsigned int *height,               /* RETURNED */
+    Pixmap *pixmap,                     /* RETURNED */
+    int *x_hot,                         /* RETURNED */
+    int *y_hot)                         /* RETURNED */
+{
+    unsigned char *data;
+    int res;
+
+    res = XReadBitmapFileData(filename, width, height, &data, x_hot, y_hot);
+    if (res != BitmapSuccess)
+	return res;
+    *pixmap = XCreateBitmapFromData(display, d, (char *)data, *width, *height);
+    Xfree(data);
+    if (*pixmap == None)
+	return (BitmapNoMemory);
+    return (BitmapSuccess);
+}