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-rw-r--r--tk8.6/xlib/ximage.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/tk8.6/xlib/ximage.c b/tk8.6/xlib/ximage.c
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+++ b/tk8.6/xlib/ximage.c
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+/*
+ * ximage.c --
+ *
+ * X bitmap and image routines.
+ *
+ * Copyright (c) 1995 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ */
+
+#include "tkInt.h"
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XCreateBitmapFromData --
+ *
+ * Construct a single plane pixmap from bitmap data.
+ *
+ * NOTE: This procedure has the correct behavior on Windows and the
+ * Macintosh, but not on UNIX. This is probably because the emulation for
+ * XPutImage on those platforms compensates for whatever is wrong here
+ * :-)
+ *
+ * Results:
+ * Returns a new Pixmap.
+ *
+ * Side effects:
+ * Allocates a new bitmap and drawable.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Pixmap
+XCreateBitmapFromData(
+ Display *display,
+ Drawable d,
+ _Xconst char *data,
+ unsigned int width,
+ unsigned int height)
+{
+ XImage *ximage;
+ GC gc;
+ Pixmap pix;
+
+ pix = Tk_GetPixmap(display, d, (int) width, (int) height, 1);
+ gc = XCreateGC(display, pix, 0, NULL);
+ if (gc == NULL) {
+ return None;
+ }
+ ximage = XCreateImage(display, NULL, 1, XYBitmap, 0, (char*) data, width,
+ height, 8, (width + 7) / 8);
+ ximage->bitmap_bit_order = LSBFirst;
+ _XInitImageFuncPtrs(ximage);
+ TkPutImage(NULL, 0, display, pix, gc, ximage, 0, 0, 0, 0, width, height);
+ ximage->data = NULL;
+ XDestroyImage(ximage);
+ XFreeGC(display, gc);
+ return pix;
+}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */