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Annotation of 43BSDTahoe/new/X/libis/tile.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  *     $Source: /u1/X/libis/RCS/tile.c,v $
                      3:  *     $Header: tile.c,v 1.1 86/11/17 14:34:41 swick Rel $
                      4:  */
                      5: 
                      6: #ifndef lint
                      7: static char *rcsid_tile_c = "$Header: tile.c,v 1.1 86/11/17 14:34:41 swick Rel $";
                      8: #endif lint
                      9: 
                     10: #include "is-copyright.h"
                     11: 
                     12: 
                     13: /*     tile.c          Perform a raster operation involving a pattern
                     14:  *
                     15:  *     TileFill        Patterns a portion of the screen
                     16:  *     DrawFilled      Draw a filled generalized line/polygon/combination
                     17:  *
                     18:  *     Copyright (c) 1986, Integrated Solutions, Inc.
                     19:  */
                     20: 
                     21: #include "Xis.h"
                     22: 
                     23: extern PIXMAP ScreenPixmap;
                     24: 
                     25: TileFill(tile, xoff, yoff, xymask, dstx, dsty, width, height, clips, clipcount, func, zmask)
                     26: PIXMAP         *tile;
                     27: int            xoff, yoff;
                     28: BITMAP         *xymask;
                     29: int            dstx, dsty;
                     30: int            width, height;
                     31: register CLIP  *clips;
                     32: register int   clipcount;
                     33: int            func;
                     34: int            zmask;
                     35: {
                     36:     CLIP bounds;
                     37: 
                     38: #ifdef DEBUG
                     39: if (debug & D_TileFill)
                     40:     printf("TileFill(tile=0x%x, xoff=%d, yoff=%d, xymask=0x%x,\n       dstx=%d, dsty=%d, width=%d, height=%d,\n        clips=0x%x, clipcount=%d, func=%d, zmask=0x%04x)\n",
                     41:        tile, xoff, yoff, xymask, dstx, dsty, width, height,
                     42:        clips, clipcount, func, zmask);
                     43: if (debug & D_TileFill_data) {
                     44:     printf_pixmap("tile", tile);
                     45:     printf_bitmap("xymask", xymask);
                     46: }
                     47: #endif DEBUG
                     48: 
                     49:     bounds.top = dsty;
                     50:     bounds.left = dstx;
                     51:     bounds.width = width;
                     52:     bounds.height = height;
                     53:     for ( ; clipcount > 0; clipcount--, ++clips) {
                     54: 
                     55:        /* If clip rectangle and destination bounds overlap, display
                     56:         * character in the area the two intersect */
                     57:        if (Overlap(clips[0], bounds)) {
                     58:            CLIP i;
                     59:            i = Intersection(clips[0], bounds);
                     60:            CheckCursor(i);
                     61:            GIP_RasterOp((unsigned char)func, tile, xoff, yoff,
                     62:                          &ScreenPixmap, i.left, i.top,
                     63:                          xymask, i.left - dstx, i.top - dsty,
                     64:                          i.width, i.height, zmask);
                     65:        }
                     66:     }
                     67:     RestoreCursor();
                     68: }
                     69: 
                     70: DrawFilled(verts, vertcount, xbase, ybase, srcpix, tile, xoff, yoff, clips, clipcount, func, zmask)
                     71: Vertex         *verts;
                     72: register PIXMAP        *tile;
                     73: int            vertcount, xbase, ybase, srcpix, xoff, yoff, clipcount, zmask;
                     74: register int   func;
                     75: CLIP           *clips;
                     76: {
                     77: /* #ifdef DEBUG
                     78: if (debug & D_TileFill) */
                     79:     printf("DrawFilled(verts=0x%x, vertcount=%d, xbase=%d, ybase=%d,\n srcpix=%d, tile=0x%x, xoff=%d, yoff=%d,\n       clips=0x%x, clipcount=%d, func=%d, zmask=0x%04x)\n",
                     80:        verts, vertcount, xbase, ybase, srcpix, tile, xoff, yoff,
                     81:        clips, clipcount, func, zmask);
                     82: /* #endif DEBUG */
                     83: }

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