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

1.1     ! root        1: #ifndef lint
        !             2: static char *rcsid_put_c = "$Header: put.c,v 10.2 86/02/01 16:21:13 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[] = "@(#)put.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: /* put.c       Perform a raster operation with a source bitmap
        !            44:  *
        !            45:  *     PixmapPut       Puts a pixmap up on the screen
        !            46:  *     PixmapBitsPut   Puts a pixmap up on the screen
        !            47:  *     BitmapBitsPut   Puts a pixmap up on the screen
        !            48:  *
        !            49:  */
        !            50: 
        !            51: /*
        !            52:  *     ToDo:
        !            53:  *             XYColorPixmap putting & bitsputting
        !            54:  */
        !            55: 
        !            56: #include "Xsun.h"
        !            57: 
        !            58: extern struct pixrect *PixRect;
        !            59: 
        !            60: char *Xalloc();
        !            61: 
        !            62: PixmapPut (src, srcx, srcy, width, height, dstx, dsty, clips, clipcount,
        !            63:           func, zmask)
        !            64:        register PIXMAP *src;
        !            65:        int srcx, srcy, width, height, dstx, dsty, clipcount, zmask;
        !            66:        register int func;
        !            67:        CLIP *clips;
        !            68: {
        !            69:     struct pixrect *Src;
        !            70:     int op = SUN_FROM_X_OP(func);
        !            71:     int allmask = -1;
        !            72: 
        !            73:     SetZmask(PixRect, &zmask);
        !            74:     switch (PTYPE(src)) {
        !            75:     case BitmapPixmap:
        !            76:        {
        !            77:     BITMAP     *bm = (BITMAP *) src->data;
        !            78:        Src = mem_point(bm->width, bm->height, 1, bm->data);
        !            79:        do {
        !            80:            int         cleft, ctop, cwidth, cheight;
        !            81: 
        !            82:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !            83:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !            84:                int         tleft = (cleft > dstx ? cleft : dstx);
        !            85:                int         ttop = (ctop > dsty ? ctop : dsty);
        !            86:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !            87:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !            88:                int         sx = (tleft - dstx) + srcx;
        !            89:                int         sy = (ttop - dsty) + srcy;
        !            90: 
        !            91:                CheckCursor(tleft, ttop, twidth, theight);
        !            92:                CheckCursor(sx, sy, twidth, theight);
        !            93:                pr_rop(PixRect, tleft, ttop, twidth, theight, op | PIX_DONTCLIP, Src, sx, sy);
        !            94:            }
        !            95:        } while (--clipcount > 0);
        !            96:        pr_destroy(Src);
        !            97:        }
        !            98:        break;
        !            99:     case ConstantPixmap:
        !           100:        /* spread constant from (dstx,dsty) by (width,height) */
        !           101:        do {
        !           102:            int         cleft, ctop, cwidth, cheight;
        !           103: 
        !           104:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !           105:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !           106:                int         tleft = (cleft > dstx ? cleft : dstx);
        !           107:                int         ttop = (ctop > dsty ? ctop : dsty);
        !           108:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !           109:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !           110:                CheckCursor(tleft, ttop, twidth, theight);
        !           111:                /* XXX - is this the right tile mode? */
        !           112:                pr_rop(PixRect, tleft, ttop, twidth, theight, PIX_SRC | PIX_COLOR(PINVERT(src) ^ (int) src->data), NULL, 0, 0);
        !           113:            }
        !           114:        } while (--clipcount > 0);
        !           115:        break;
        !           116:     case ZColorPixmap:
        !           117:        Src = mem_point(src->width, src->height, PixRect->pr_depth, src->data);
        !           118:        do {
        !           119:            int         cleft, ctop, cwidth, cheight;
        !           120: 
        !           121:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !           122:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !           123:                int         tleft = (cleft > dstx ? cleft : dstx);
        !           124:                int         ttop = (ctop > dsty ? ctop : dsty);
        !           125:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !           126:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !           127:                int         sx = (tleft - dstx) + srcx;
        !           128:                int         sy = (ttop - dsty) + srcy;
        !           129: 
        !           130:                CheckCursor(tleft, ttop, twidth, theight);
        !           131:                CheckCursor(sx, sy, twidth, theight);
        !           132:                pr_rop(PixRect, tleft, ttop, twidth, theight, op | PIX_DONTCLIP, Src, sx, sy);
        !           133:            }
        !           134:        } while (--clipcount > 0);
        !           135:        pr_destroy(Src);
        !           136:        break;
        !           137:     case XYColorPixmap:
        !           138:        /* XXX - not yet implemented - do a plane at a time */
        !           139:        break;
        !           140:     }
        !           141:     RestoreCursor();
        !           142:     SetZmask(PixRect, &allmask);
        !           143: }
        !           144: 
        !           145: 
        !           146: /*ARGSUSED*/
        !           147: PixmapBitsPut (width, height, format, data, xymask, dstx, dsty,
        !           148:               clips, clipcount, func, zmask)
        !           149:        char *data;
        !           150:        int width, height, format, dstx, dsty, clipcount, zmask;
        !           151:        BITMAP *xymask;
        !           152:        CLIP *clips;
        !           153:        int func;
        !           154: {
        !           155:     if (PixRect->pr_depth == 1)
        !           156:        BitsPut(width, height, data, 1, 0, xymask, dstx, dsty,
        !           157:                clips, clipcount, func, zmask, 1);
        !           158:     else if (PixRect->pr_depth <= 8)
        !           159:        switch (format) {
        !           160:        case ZFormat: {
        !           161:            char *newdata;
        !           162: 
        !           163:            if (width&1) {
        !           164:                register int i;
        !           165:                register char *old = data, *new;
        !           166: 
        !           167:                new = newdata = (char *) Xalloc((width+1)*height);
        !           168:                for (i = 0; i < height; i++) {
        !           169:                    bcopy(old, new, width);
        !           170:                    old += width;
        !           171:                    new += width+1;
        !           172:                }
        !           173:            } else 
        !           174:                newdata = data;
        !           175:            BitsPut(width, height, newdata, 1, 0, xymask, dstx, dsty,
        !           176:                    clips, clipcount, func, zmask, PixRect->pr_depth);
        !           177:            if (newdata != data)
        !           178:                free (newdata);
        !           179:            }
        !           180:            break;
        !           181:        case XYFormat:
        !           182:            /* XXX - not yet supported - do one plane at a time */
        !           183:            break;
        !           184:        }
        !           185: }
        !           186: 
        !           187: BitmapBitsPut (width, height, data, fore, back, xymask, dstx, dsty,
        !           188:               clips, clipcount, func, zmask)
        !           189:        char *data;
        !           190:        int width, height, fore, back, dstx, dsty, clipcount, zmask;
        !           191:        register BITMAP *xymask;
        !           192:        CLIP *clips;
        !           193:        register int func;
        !           194: {
        !           195:        InvertPixelOrder((short *) data, BitmapSize(width, height) >> 1);
        !           196:        BitsPut(width, height, data, fore, back, xymask, dstx, dsty,
        !           197:               clips, clipcount, func, zmask, 1);
        !           198: }
        !           199: 
        !           200: static
        !           201: BitsPut (width, height, data, fore, back, xymask, dstx, dsty,
        !           202:               clips, clipcount, func, zmask, srcdepth)
        !           203:        char *data;
        !           204:        int width, height, fore, back, dstx, dsty, clipcount, zmask;
        !           205:        register BITMAP *xymask;
        !           206:        CLIP *clips;
        !           207:        register int func;
        !           208:        int srcdepth;
        !           209: {
        !           210:     struct pixrect *Src;
        !           211:     extern char FBMap[];
        !           212:     int allmask = -1;
        !           213:     int op;
        !           214: 
        !           215:     if ((PixRect->pr_depth == 1) && !(zmask & 1))
        !           216:        return;
        !           217:     SetZmask(PixRect, &zmask);
        !           218:     if (fore & 1)
        !           219:        func += 0x20;
        !           220:     if (back & 1)
        !           221:        func += 0x10;
        !           222: 
        !           223:     func = FBMap[func];
        !           224:     op = SUN_FROM_X_OP(func);
        !           225: 
        !           226:     Src = mem_point(width, height, srcdepth, data);
        !           227:     if (xymask == NULL) {
        !           228:        do {
        !           229:            int         cleft, ctop, cwidth, cheight;
        !           230: 
        !           231:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !           232:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !           233:                int         tleft = (cleft > dstx ? cleft : dstx);
        !           234:                int         ttop = (ctop > dsty ? ctop : dsty);
        !           235:                int         twidth = (cleft + cwidth < dstx + width ? cleft + cwidth : dstx + width) - tleft;
        !           236:                int         theight = (ctop + cheight < dsty + height ? ctop + cheight : dsty + height) - ttop;
        !           237:                int         sx = (tleft - dstx);
        !           238:                int         sy = (ttop - dsty);
        !           239: 
        !           240:                CheckCursor(cleft, ctop, cwidth, cheight);
        !           241:                pr_rop(PixRect, tleft, ttop, twidth, theight, op | PIX_DONTCLIP, Src, sx, sy);
        !           242:            }
        !           243:        } while (--clipcount > 0);
        !           244:     }
        !           245:     else {
        !           246:        struct pixrect *stencil;
        !           247: 
        !           248:        stencil = mem_point(xymask->width, xymask->height, 1, xymask->data);
        !           249:        do {
        !           250:            int         cleft, ctop, cwidth, cheight;
        !           251: 
        !           252:            GetNextClip(clips, cleft, ctop, cwidth, cheight);
        !           253:            if (OverLap(cleft, ctop, cwidth, cheight, dstx, dsty, width, height)) {
        !           254:                CheckCursor(cleft, ctop, cwidth, cheight);
        !           255:                pr_stencil(PixRect, dstx, dsty, width, height, op,
        !           256:                    stencil, 0, 0, Src, 0, 0);
        !           257:            }
        !           258:        } while (--clipcount > 0);
        !           259:        pr_destroy(stencil);
        !           260:     }
        !           261:     RestoreCursor();
        !           262:     pr_destroy(Src);
        !           263:     SetZmask(PixRect, &allmask);
        !           264:     return;
        !           265: }
        !           266: #endif sun

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