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Annotation of 43BSDTahoe/new/X/libsun/fill.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char *rcsid_fill_c = "$Header: fill.c,v 10.4 86/11/30 16:06:12 jg 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[] = "@(#)fill.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: /* fill.c      Perform a simple raster operation a section of the screen
        !            44:  *
        !            45:  *     PixFill Do a function on the screen
        !            46:  *
        !            47:  */
        !            48: 
        !            49: #include "Xsun.h"
        !            50: extern struct pixrect *PixRect;
        !            51: 
        !            52: /*ARGSUSED*/
        !            53: PixFill (srcpix, xymask, dstx, dsty, width, height, clips, clipcount,
        !            54:         func, zmask)
        !            55:        int srcpix, dstx, dsty, width, height, clipcount, zmask;
        !            56:        BITMAP *xymask;
        !            57:        int func;
        !            58:        CLIP *clips;
        !            59: {
        !            60:     int         op = SUN_FROM_X_OP(func) | PIX_COLOR(srcpix) | PIX_DONTCLIP;
        !            61:     int allmask = -1;
        !            62: 
        !            63:     SetZmask(PixRect, &zmask);
        !            64:     if (xymask == NULL) {
        !            65:        do {
        !            66:            int         cleft, ctop, cwidth, cheight;
        !            67: 
        !            68:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !            69:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !            70:                int         tleft = (cleft > dstx ? cleft : dstx);
        !            71:                int         ttop = (ctop > dsty ? ctop : dsty);
        !            72:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !            73:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !            74: 
        !            75:                CheckCursor(tleft, ttop, twidth, theight);
        !            76:                pr_rop(PixRect, tleft, ttop, twidth, theight, op, NULL, 0, 0);
        !            77:            }
        !            78:        } while (--clipcount > 0);
        !            79:     }
        !            80:     else {
        !            81:        struct pixrect stencil;
        !            82:        struct mpr_data foo_data;
        !            83:        extern struct pixrectops mem_ops;
        !            84: 
        !            85:        foo_data.md_linebytes = mpr_linebytes(xymask->width, 1);
        !            86:        foo_data.md_image = (short *) xymask->data;
        !            87:        foo_data.md_offset.x = 0;
        !            88:        foo_data.md_offset.y = 0;
        !            89:        foo_data.md_primary = 0;
        !            90:        foo_data.md_flags = 0;
        !            91:        stencil.pr_ops = &mem_ops;
        !            92:        stencil.pr_size.x = xymask->width;
        !            93:        stencil.pr_size.y = xymask->height;
        !            94:        stencil.pr_depth = 1;
        !            95:        stencil.pr_data = (caddr_t) &foo_data;
        !            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: 
        !           106:                CheckCursor(tleft, ttop, twidth, theight);
        !           107:                pr_stencil(PixRect, tleft, ttop, twidth, theight, op, &stencil,
        !           108:                         tleft - dstx, ttop - dsty, NULL, 0, 0);
        !           109:            }
        !           110:        } while (--clipcount > 0);
        !           111:     }
        !           112:     RestoreCursor();
        !           113:     SetZmask(PixRect, &allmask);
        !           114: }
        !           115: /*
        !           116:  * the following is bogus on a color sun, but as I know nothing about Suns,
        !           117:  * might as well make b/w work....  -JG
        !           118:  */
        !           119: extern int errno;
        !           120: #include <errno.h>
        !           121: 
        !           122: int StippleFill (srcpix, xoff, yoff, stipmask, dstx, dsty, width, height,
        !           123:        clips, clipcount, func, zmask)
        !           124:        int srcpix;             /* source pixel */
        !           125:        int xoff, yoff;         /* stipple origin */
        !           126:        BITMAP *stipmask;       /* stipple mask */
        !           127:        int dstx, dsty;         /* destination */
        !           128:        int width, height;
        !           129:        CLIP *clips;            /* clipping rectangles */
        !           130:        int clipcount;
        !           131:        int func;               /* GX display function */
        !           132:        int zmask;              /* plane mask */
        !           133: {
        !           134:        static char funcmap[16][2] = {
        !           135:                {GXandInverted, GXandInverted}, /* GXclear */
        !           136:                {GXandInverted, GXnoop},        /* GXand */
        !           137:                {GXandInverted, GXxor},         /* GXandReverse */
        !           138:                {GXandInverted, GXor},          /* GXcopy */
        !           139:                {GXnoop,        GXandInverted}, /* GXandInverted */
        !           140:                {GXnoop,        GXnoop},        /* GXnoop */
        !           141:                {GXnoop,        GXxor},         /* GXxor */
        !           142:                {GXnoop,        GXor},          /* GXor */
        !           143:                {GXxor,         GXandInverted}, /* GXnor */
        !           144:                {GXxor,         GXnoop},        /* GXequiv */
        !           145:                {GXxor,         GXxor},         /* GXinvert */
        !           146:                {GXxor,         GXor},          /* GXorReverse */
        !           147:                {GXor,          GXandInverted}, /* GXcopyInverted */
        !           148:                {GXor,          GXnoop},        /* GXorInverted */
        !           149:                {GXor,          GXxor},         /* GXnand */
        !           150:                {GXor,          GXor}           /* GXset */
        !           151:        };
        !           152:        int newfunc = funcmap [func][srcpix & 1];
        !           153:        PIXMAP *tile, *MakePixmap();
        !           154: 
        !           155:        if ((stipmask->width != 16) || (stipmask->height != 16)) {
        !           156:                errno = EINVAL;
        !           157:                return (0);
        !           158:        }
        !           159:        tile = MakePixmap (stipmask, 1, 0);
        !           160:        TileFill (tile, xoff, yoff, 0, dstx, dsty, width, height,
        !           161:                clips, clipcount, newfunc, zmask);
        !           162:        FreePixmap (tile);
        !           163:        return (1);
        !           164: }
        !           165: #endif sun

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