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1.1 root 1: /* $Header: put.c,v 10.3 86/02/01 15:47:24 tony Rel $ */
2: /* put.c Perform a raster operation with a source bitmap
3: *
4: * PixmapPut Puts a pixmap up on the screen
5: * PixmapBitsPut Puts a pixmap up on the screen
6: * BitmapBitsPut Puts a pixmap up on the screen
7: *
8: */
9:
10: /****************************************************************************
11: * *
12: * Copyright (c) 1983, 1984 by *
13: * DIGITAL EQUIPMENT CORPORATION, Maynard, Massachusetts. *
14: * All rights reserved. *
15: * *
16: * This software is furnished on an as-is basis and may be used and copied *
17: * only with inclusion of the above copyright notice. This software or any *
18: * other copies thereof may be provided or otherwise made available to *
19: * others only for non-commercial purposes. No title to or ownership of *
20: * the software is hereby transferred. *
21: * *
22: * The information in this software is subject to change without notice *
23: * and should not be construed as a commitment by DIGITAL EQUIPMENT *
24: * CORPORATION. *
25: * *
26: * DIGITAL assumes no responsibility for the use or reliability of its *
27: * software on equipment which is not supplied by DIGITAL. *
28: * *
29: * *
30: ****************************************************************************/
31:
32: #include "vs100.h"
33:
34: extern BitMap screen;
35: extern int VSReloc;
36: extern char FBMap[];
37: extern char SSMap[];
38:
39: char *AllocateSpace(), *AllocateCopy(), *Xalloc();
40:
41: PixmapPut (src, srcx, srcy, width, height, dstx, dsty, clips, clipcount,
42: func, zmask)
43: PIXMAP *src;
44: int srcx, srcy, width, height, dstx, dsty, clipcount, zmask;
45: register int func;
46: CLIP *clips;
47: {
48: register CopyAreaPacket *cap;
49: #define h ((PacketHeader *) cap->cap_head)
50: #define img ((SubBitmap *) cap->cap_source.image)
51: #define pat ((Halftone *) cap->cap_source.pattern)
52: #define size ((Extent *) cap->cap_maskSize)
53: #define destOff ((Point *) cap->cap_destOffset)
54: #define clip ((RectangleList *) cap->cap_clipping.rectList)
55:
56: if (!(zmask & 1)) {
57: DeallocateSpace ();
58: return;
59: }
60: cap = (CopyAreaPacket *) AllocateSpace (sizeof (CopyAreaPacket));
61: if (cap == NULL) return;
62:
63: func = SSMap[func | (src->kind & 0x10)];
64: h->ph_copyMod.m_mask = 0;
65: h->ph_copyMod.m_map = MAPTYPE(func);
66: h->ph_opcode = COPY_AREA;
67: *(long *) h->ph_next = NULL;
68:
69: if (src->kind == 0) {
70: h->ph_copyMod.m_source = 0;
71: cap->cap_source.const = (int) src->data;
72: } else {
73: h->ph_copyMod.m_source = 1;
74: #ifdef HTCROCK
75: if (src->kind & 2)
76: *(caddr_t *) img->sb_address = BDATA(TDATA(src)->bitmap)->vsPtr;
77: else
78: #endif
79: *(caddr_t *) img->sb_address = BDATA(PDATA(src))->vsPtr;
80: img->sb_height = src->height;
81: img->sb_width = src->width;
82: img->sb_bitsPerPixel = 1;
83: img->sb_x = srcx;
84: img->sb_y = srcy;
85: }
86:
87: size->e_height = height;
88: size->e_width = width;
89:
90: *(BitMap *) cap->cap_destImage = screen;
91: destOff->p_x = dstx;
92: destOff->p_y = dsty;
93:
94: *(long *) cap->cap_map.literal = MAPLIT(func);
95:
96: if (clipcount == 1) {
97: h->ph_copyMod.m_clipping = 1;
98: *(CLIP *) cap->cap_clipping.litRect = *clips;
99: } else {
100: h->ph_copyMod.m_clipping = 2;
101: *(caddr_t *) clip->r_first = (caddr_t) clips + VSReloc;
102: clip->r_count = clipcount;
103: }
104:
105: WritePacket ((caddr_t) cap);
106: #undef h
107: #undef img
108: #undef pat
109: #undef size
110: #undef destOff
111: #undef clip
112: }
113:
114:
115: /*ARGSUSED*/
116: PixmapBitsPut (width, height, format, data, xymask, dstx, dsty,
117: clips, clipcount, func, zmask)
118: char *data;
119: int width, height, format, dstx, dsty, clipcount, zmask;
120: BITMAP *xymask;
121: CLIP *clips;
122: int func;
123: {
124: BitmapBitsPut (width, height, data, 1, 0, xymask, dstx, dsty,
125: clips, clipcount, func, zmask);
126: }
127:
128:
129: BitmapBitsPut (width, height, data, fore, back, xymask, dstx, dsty,
130: clips, clipcount, func, zmask)
131: char *data;
132: int width, height, fore, back, dstx, dsty, clipcount, zmask;
133: register BITMAP *xymask;
134: CLIP *clips;
135: register int func;
136: {
137: register CopyAreaPacket *cap;
138: #define h ((PacketHeader *) cap->cap_head)
139: #define src ((SubBitmap *) cap->cap_source.image)
140: #define pat ((Halftone *) cap->cap_source.pattern)
141: #define size ((Extent *) cap->cap_maskSize)
142: #define mask ((SubBitmap *) cap->cap_sourceMask)
143: #define destOff ((Point *) cap->cap_destOffset)
144: #define clip ((RectangleList *) cap->cap_clipping.rectList)
145: caddr_t bits;
146: char *boxes = NULL;
147: CLIP clip1;
148: int width1, num, boxbytes, bytes;
149:
150: if (!(zmask & 1)) {
151: DeallocateSpace ();
152: return;
153: }
154: if (fore & 1)
155: func += 0x20;
156: if (back & 1)
157: func += 0x10;
158: func = FBMap[func];
159:
160: width1 = BitmapSize(width, 1);
161: num = VBUFSIZE / width1;
162: if (height > num) {
163: if (clipcount == 1) {
164: clip1 = *clips;
165: clips = &clip1;
166: } else {
167: boxbytes = sizeof (CLIP) * clipcount;
168: boxes = Xalloc (boxbytes);
169: bcopy ((caddr_t) clips, boxes, boxbytes);
170: DeallocateSpace ();
171: }
172: }
173:
174: while (height) {
175: if (height < num)
176: num = height;
177: bytes = num * width1;
178: if ((bits = (caddr_t) AllocateCopy (data, bytes)) == NULL ||
179: (boxes && (clips = (CLIP *) AllocateCopy (boxes, boxbytes)) == NULL) ||
180: (cap = (CopyAreaPacket *) AllocateSpace (sizeof (CopyAreaPacket))) == NULL)
181: break;
182:
183: h->ph_copyMod.m_source = 1;
184: h->ph_copyMod.m_mask = xymask ? 1 : 0;
185: h->ph_copyMod.m_map = MAPTYPE(func);
186: h->ph_opcode = COPY_AREA;
187: *(long *) h->ph_next = NULL;
188:
189: *(caddr_t *) src->sb_address = bits + VSReloc;
190: src->sb_height = num;
191: src->sb_width = width;
192: src->sb_bitsPerPixel = 1;
193: src->sb_x = src->sb_y = 0;
194:
195: if (xymask) {
196: *(caddr_t *) mask->sb_address = BDATA(xymask)->vsPtr;
197: mask->sb_height = xymask->height;
198: mask->sb_width = xymask->width;
199: mask->sb_bitsPerPixel = 1;
200: mask->sb_x = mask->sb_y = 0;
201: }
202: size->e_height = num;
203: size->e_width = width;
204:
205: *(BitMap *) cap->cap_destImage = screen;
206: destOff->p_x = dstx;
207: destOff->p_y = dsty;
208:
209: *(long *) cap->cap_map.literal = MAPLIT(func);
210:
211: if (clipcount == 1) {
212: h->ph_copyMod.m_clipping = 1;
213: *(CLIP *) cap->cap_clipping.litRect = *clips;
214: } else {
215: h->ph_copyMod.m_clipping = 2;
216: *(caddr_t *) clip->r_first = (caddr_t) clips + VSReloc;
217: clip->r_count = clipcount;
218: }
219:
220: WritePacket ((caddr_t) cap);
221: height -= num;
222: dsty += num;
223: data += bytes;
224: }
225: if (boxes)
226: free (boxes);
227: #undef h
228: #undef src
229: #undef pat
230: #undef size
231: #undef mask
232: #undef destOff
233: #undef clip
234: }
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