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Annotation of researchv9/X11/src/X.V11R1/lib/X/XCrBFData.c, revision 1.1.1.1

1.1       root        1: #include "copyright.h"
                      2: 
                      3: 
                      4: #include "Xlib.h"
                      5: 
                      6: /*
                      7:  * MakeBitmap: Routine to make a pixmap from user supplied data.
                      8:  *             D is the window the pixmap will be used in (i.e, where
                      9:  *             to get depth from).  Data is a pointer to the bit data, and
                     10:  *             width & height give the size in bits of the pixmap.
                     11:  *
                     12:  * The following format is assumed for data:
                     13:  *
                     14:  *    format=XYPixmap
                     15:  *    bit_order=LSBFirst
                     16:  *    byte_order=LSBFirst
                     17:  *    padding=8
                     18:  *    bitmap_unit=8
                     19:  *    xoffset=0
                     20:  *    no extra bytes per line
                     21:  */  
                     22: Pixmap XCreateBitmapFromData(display, d, data, width, height)
                     23:      Display *display;
                     24:      Drawable d;
                     25:      char *data;
                     26:      int width, height;
                     27: {
                     28:     XImage ximage;
                     29:     GC gc;
                     30:     XGCValues gcv;
                     31:     Pixmap pix;
                     32: 
                     33:     pix = XCreatePixmap(display, d, width, height, 1);
                     34:     if (!pix)
                     35:       return(0);
                     36:     gcv.foreground = 1;
                     37:     gcv.background = 0;
                     38:     gc = XCreateGC(display, pix, GCForeground|GCBackground, &gcv);
                     39:     ximage.height = height;
                     40:     ximage.width = width;
                     41:     ximage.depth = 1;
                     42:     ximage.xoffset = 0;
                     43:     ximage.format = XYBitmap;
                     44:     ximage.data = data;
                     45:     ximage.byte_order = LSBFirst;
                     46:     ximage.bitmap_unit = 8;
                     47:     ximage.bitmap_bit_order = LSBFirst;
                     48:     ximage.bitmap_pad = 8;
                     49:     ximage.bytes_per_line = (width+7)/8;
                     50: 
                     51:     XPutImage(display, pix, gc, &ximage, 0, 0, 0, 0, width, height);
                     52:     XFreeGC(display, gc);
                     53:     return(pix);
                     54: }

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