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Annotation of 43BSD/contrib/X/libsun/tile.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char *rcsid_tile_c = "$Header: tile.c,v 10.2 86/02/01 16:21:30 tony Rel $";
        !             3: #endif lint
        !             4: #ifdef sun
        !             5: /*
        !             6:  * The Sun X drivers are a product of Sun Microsystems, Inc. and are provided
        !             7:  * for unrestricted use provided that this legend is included on all tape
        !             8:  * media and as a part of the software program in whole or part.  Users
        !             9:  * may copy or modify these drivers without charge, but are not authorized
        !            10:  * to license or distribute them to anyone else except as part of a product or
        !            11:  * program developed by the user.
        !            12:  * 
        !            13:  * THE SUN X DRIVERS ARE PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND
        !            14:  * INCLUDING THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A
        !            15:  * PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE
        !            16:  * PRACTICE.
        !            17:  *
        !            18:  * The Sun X Drivers are provided with no support and without any obligation
        !            19:  * on the part of Sun Microsystems, Inc. to assist in their use, correction,
        !            20:  * modification or enhancement.
        !            21:  * 
        !            22:  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
        !            23:  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY THE SUN X
        !            24:  * DRIVERS OR ANY PART THEREOF.
        !            25:  * 
        !            26:  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
        !            27:  * or profits or other special, indirect and consequential damages, even if
        !            28:  * Sun has been advised of the possibility of such damages.
        !            29:  * 
        !            30:  * Sun Microsystems, Inc.
        !            31:  * 2550 Garcia Avenue
        !            32:  * Mountain View, California  94043
        !            33:  */
        !            34: 
        !            35: #ifndef        lint
        !            36: static char sccsid[] = "@(#)tile.c 2.1 86/01/28 Copyright 1986 Sun Micro";
        !            37: #endif
        !            38: 
        !            39: /*-
        !            40:  * Copyright (c) 1986 by Sun Microsystems,  Inc.
        !            41:  */
        !            42: 
        !            43: /* tile.c      Perform a raster operation involving a pattern
        !            44:  *
        !            45:  *     TileFill        Patterns a portion of the screen
        !            46:  *     DrawFilled      Draw a filled generalized line/polygon/combination
        !            47:  *
        !            48:  */
        !            49: 
        !            50: /*
        !            51:  *     ToDo:
        !            52:  *             Implement draw filled
        !            53:  *             Implement tile fill with xymap
        !            54:  *             Use static pixrects
        !            55:  */
        !            56: 
        !            57: #include "Xsun.h"
        !            58: 
        !            59: extern struct pixrect *PixRect;
        !            60: 
        !            61: char *Xalloc();
        !            62: 
        !            63: static
        !            64: PixrectFill(Tile, xymask, dstx, dsty, width, height, op, clips, clipcount, xoff, yoff)
        !            65:     struct pixrect *Tile;
        !            66:     BITMAP *xymask;
        !            67:     int dstx, dsty, width, height;
        !            68:     unsigned op;
        !            69:     CLIP *clips;
        !            70:     int        clipcount;
        !            71:     int xoff, yoff;
        !            72: {
        !            73:     if (xymask == NULL) {
        !            74:        /* spread tile from (dstx,dsty) by (width,height) */
        !            75:        do {
        !            76:            int         cleft, ctop, cwidth, cheight;
        !            77: 
        !            78:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !            79:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !            80:                int         tleft = (cleft > dstx ? cleft : dstx);
        !            81:                int         ttop = (ctop > dsty ? ctop : dsty);
        !            82:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !            83:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !            84:                /* XXX - is this the right tile mode? */
        !            85:                CheckCursor(tleft, ttop, twidth, theight);
        !            86:                pr_replrop(PixRect, tleft, ttop, twidth, theight, op,
        !            87:                Tile, tleft - xoff, ttop - yoff);
        !            88:            }
        !            89:        } while (--clipcount > 0);
        !            90:     }
        !            91:     else {
        !            92:        /* spread tile thru xymask */
        !            93:        struct pixrect *stencil = mem_point(xymask->width, xymask->width, 1, xymask->data);
        !            94: 
        !            95: #ifdef notdef
        !            96:        do {
        !            97:            int         cleft, ctop, cwidth, cheight;
        !            98: 
        !            99:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !           100:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !           101:                int         tleft = (cleft > dstx ? cleft : dstx);
        !           102:                int         ttop = (ctop > dsty ? ctop : dsty);
        !           103:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !           104:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !           105:                CheckCursor(tleft, ttop, twidth, theight);
        !           106:                /* XXX - need combination of stencil & replrop */
        !           107:                pr_stencil(PixRect, tleft, ttop, twidth, theight, op, &stencil, tleft, ttop, NULL, 0, 0);
        !           108:            }
        !           109:        } while (--clipcount > 0);
        !           110: #endif
        !           111:        pr_destroy(stencil);
        !           112:     }
        !           113: }
        !           114: 
        !           115: static
        !           116: ConstantFill(tile, xymask, dstx, dsty, width, height, op, clips, clipcount)
        !           117:     PIXMAP *tile;
        !           118:     BITMAP *xymask;
        !           119:     int dstx, dsty, width, height;
        !           120:     unsigned op;
        !           121:     CLIP *clips;
        !           122:     int        clipcount;
        !           123: {
        !           124:     op |= PIX_COLOR((PINVERT(tile) ^ (int) tile->data));
        !           125:     if (xymask == NULL) {
        !           126:        /* spread constant from (dstx,dsty) by (width,height) */
        !           127:        do {
        !           128:            int         cleft, ctop, cwidth, cheight;
        !           129: 
        !           130:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !           131:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !           132:                int         tleft = (cleft > dstx ? cleft : dstx);
        !           133:                int         ttop = (ctop > dsty ? ctop : dsty);
        !           134:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !           135:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !           136:                CheckCursor(tleft, ttop, twidth, theight);
        !           137:                /* XXX - is this the right tile mode? */
        !           138:                pr_rop(PixRect, tleft, ttop, twidth, theight, op, NULL, 0, 0);
        !           139:            }
        !           140:        } while (--clipcount > 0);
        !           141:     }
        !           142:     else {
        !           143:        /* spread constant thru xymask */
        !           144:        struct pixrect *stencil = mem_point(xymask->width, xymask->width, 1, xymask->data);
        !           145: 
        !           146:        do {
        !           147:            int         cleft, ctop, cwidth, cheight;
        !           148: 
        !           149:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !           150:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !           151:                int         tleft = (cleft > dstx ? cleft : dstx);
        !           152:                int         ttop = (ctop > dsty ? ctop : dsty);
        !           153:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !           154:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !           155: 
        !           156:                CheckCursor(tleft, ttop, twidth, theight);
        !           157:                pr_stencil(PixRect, tleft, ttop, twidth, theight, op, stencil, tleft, ttop, NULL, 0, 0);
        !           158:            }
        !           159:        } while (--clipcount > 0);
        !           160:        pr_destroy(stencil);
        !           161:     }
        !           162: }
        !           163: 
        !           164: 
        !           165: /*ARGSUSED*/
        !           166: TileFill (tile, xoff, yoff, xymask, dstx, dsty, width, height,
        !           167:          clips, clipcount, func, zmask)
        !           168:        PIXMAP *tile;
        !           169:        BITMAP *xymask;
        !           170:        int xoff, yoff, dstx, dsty, width, height, zmask;
        !           171:        register int func;
        !           172:        CLIP *clips;
        !           173: {
        !           174:     int         op = SUN_FROM_X_OP(func) | PIX_DONTCLIP;
        !           175:     int         allmask = -1;
        !           176: 
        !           177:     if ((PixRect->pr_depth == 1) && !(zmask & 1))
        !           178:        return;
        !           179:     SetZmask(PixRect, &zmask);
        !           180:     switch (PTYPE(tile)) {
        !           181:     case BitmapPixmap:
        !           182:        {
        !           183:            struct pixrect *Tile =
        !           184:            mem_point(tile->width, tile->height, 1, ((BITMAP *) tile->data)->data);     /* XXX - slow !!! */
        !           185: 
        !           186:            PixrectFill(Tile, xymask, dstx, dsty, width, height, op, clips, clipcount, xoff, yoff);
        !           187:            pr_destroy(Tile);
        !           188:        }
        !           189:        break;
        !           190:     case ConstantPixmap:
        !           191:        ConstantFill(tile, xymask, dstx, dsty, width, height, op, clips, clipcount);
        !           192:        break;
        !           193:     case XYColorPixmap:
        !           194:        /* XXX - not yet implemented - do plane by plane */
        !           195:        break;
        !           196:     case ZColorPixmap:
        !           197:        {
        !           198:            struct pixrect *Tile =
        !           199:            mem_point(tile->width, tile->height, PixRect->pr_depth, tile->data);        /* XXX - slow !!! */
        !           200: 
        !           201:            PixrectFill(Tile, xymask, dstx, dsty, width, height, op, clips, clipcount, xoff, yoff);
        !           202:            pr_destroy(Tile);
        !           203:        }
        !           204:        break;
        !           205:     }
        !           206:     SetZmask(PixRect, &allmask);
        !           207:     RestoreCursor();
        !           208: }
        !           209: 
        !           210: /*ARGSUSED*/
        !           211: DrawFilled (verts, vertcount, xbase, ybase, srcpix, tile, xoff, yoff,
        !           212:            clips, clipcount, func, zmask)
        !           213:        Vertex *verts;
        !           214:        register PIXMAP *tile;
        !           215:        int vertcount, xbase, ybase, srcpix, xoff, yoff, clipcount, zmask;
        !           216:        register int func;
        !           217:        CLIP *clips;
        !           218: {
        !           219:        /* XXX - need pr_polygon_2() */
        !           220: }
        !           221: #endif sun

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