72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
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/*
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* ximage.c --
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*
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* X bitmap and image routines.
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*
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* Copyright (c) 1995 Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* SCCS: @(#) ximage.c 1.6 96/07/23 16:59:10
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*/
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#include "tkInt.h"
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/*
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*----------------------------------------------------------------------
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*
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* XCreateBitmapFromData --
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*
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* Construct a single plane pixmap from bitmap data.
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*
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* NOTE: This procedure has the correct behavior on Windows and
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* the Macintosh, but not on UNIX. This is probably because the
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* emulation for XPutImage on those platforms compensates for whatever
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* is wrong here :-)
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*
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* Results:
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* Returns a new Pixmap.
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*
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* Side effects:
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* Allocates a new bitmap and drawable.
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*
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*----------------------------------------------------------------------
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*/
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Pixmap
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XCreateBitmapFromData(display, d, data, width, height)
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Display* display;
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Drawable d;
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_Xconst char* data;
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unsigned int width;
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unsigned int height;
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{
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XImage ximage;
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GC gc;
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Pixmap pix;
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pix = Tk_GetPixmap(display, d, width, height, 1);
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gc = XCreateGC(display, pix, 0, NULL);
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if (gc == NULL) {
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return None;
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}
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ximage.height = height;
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ximage.width = width;
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ximage.depth = 1;
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ximage.bits_per_pixel = 1;
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ximage.xoffset = 0;
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ximage.format = XYBitmap;
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ximage.data = (char *)data;
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ximage.byte_order = LSBFirst;
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ximage.bitmap_unit = 8;
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ximage.bitmap_bit_order = LSBFirst;
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ximage.bitmap_pad = 8;
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ximage.bytes_per_line = (width+7)/8;
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TkPutImage(NULL, 0, display, pix, gc, &ximage, 0, 0, 0, 0, width, height);
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XFreeGC(display, gc);
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return pix;
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}
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