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Release 951003
[wine/multimedia.git] / objects / bitblt.c
blobae7dd30e309d4c09d033e1c79a97c857f4f91d4e
1 /*
2 * GDI bit-blit operations
3 *
4 * Copyright 1993, 1994 Alexandre Julliard
5 */
6
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <X11/Xlib.h>
10 #include <X11/Intrinsic.h>
11 #include "bitmap.h"
12 #include "callback.h"
13 #include "color.h"
14 #include "dc.h"
15 #include "metafile.h"
16 #include "options.h"
17 #include "stddebug.h"
18 /* #define DEBUG_BITBLT */
19 #include "debug.h"
20
21
22 #define DST 0 /* Destination drawable */
23 #define SRC 1 /* Source drawable */
24 #define TMP 2 /* Temporary drawable */
25 #define PAT 3 /* Pattern (brush) in destination DC */
26
27 #define OP(src,dst,rop) (OP_ARGS(src,dst) << 4 | (rop))
28 #define OP_ARGS(src,dst) (((src) << 2) | (dst))
29
30 #define OP_SRC(opcode) ((opcode) >> 6)
31 #define OP_DST(opcode) (((opcode) >> 4) & 3)
32 #define OP_SRCDST(opcode) ((opcode) >> 4)
33 #define OP_ROP(opcode) ((opcode) & 0x0f)
34
35 #define MAX_OP_LEN 6 /* Longest opcode + 1 for the terminating 0 */
36
37 static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] =
38 {
39 { OP(PAT,DST,GXclear) }, /* 0x00 0 */
40 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnor) }, /* 0x01 ~(D|(P|S)) */
41 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXand) }, /* 0x02 D&~(P|S) */
42 { OP(PAT,SRC,GXnor) }, /* 0x03 ~(P|S) */
43 { OP(PAT,DST,GXnor), OP(SRC,DST,GXand) }, /* 0x04 S&~(D|P) */
44 { OP(PAT,DST,GXnor) }, /* 0x05 ~(D|P) */
45 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnor), }, /* 0x06 ~(P|~(D^S)) */
46 { OP(SRC,DST,GXand), OP(PAT,DST,GXnor) }, /* 0x07 ~(P|(D&S)) */
47 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXand) },/* 0x08 S&D&~P */
48 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnor) }, /* 0x09 ~(P|(D^S)) */
49 { OP(PAT,DST,GXandInverted) }, /* 0x0a D&~P */
50 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXnor) }, /* 0x0b ~(P|(S&~D)) */
51 { OP(PAT,SRC,GXandInverted) }, /* 0x0c S&~P */
52 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXnor) },/* 0x0d ~(P|(D&~S)) */
53 { OP(SRC,DST,GXnor), OP(PAT,DST,GXnor) }, /* 0x0e ~(P|~(D|S)) */
54 { OP(PAT,DST,GXcopyInverted) }, /* 0x0f ~P */
55 { OP(SRC,DST,GXnor), OP(PAT,DST,GXand) }, /* 0x10 P&~(S|D) */
56 { OP(SRC,DST,GXnor) }, /* 0x11 ~(D|S) */
57 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnor) }, /* 0x12 ~(S|~(D^P)) */
58 { OP(PAT,DST,GXand), OP(SRC,DST,GXnor) }, /* 0x13 ~(S|(D&P)) */
59 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnor) }, /* 0x14 ~(D|~(P^S)) */
60 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnor) }, /* 0x15 ~(D|(P&S)) */
61 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
62 OP(TMP,DST,GXand), OP(SRC,DST,GXxor),
63 OP(PAT,DST,GXxor) }, /* 0x16 P^S^(D&~(P&S) */
64 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
65 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
66 OP(TMP,DST,GXequiv) }, /* 0x17 ~S^((S^P)&(S^D))*/
67 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
68 OP(SRC,DST,GXand) }, /* 0x18 (S^P)&(D^P) */
69 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
70 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x19 ~S^(D&~(P&S)) */
71 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
72 OP(PAT,DST,GXxor) }, /* 0x1a P^(D|(S&P)) */
73 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXxor),
74 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x1b ~S^(D&(P^S)) */
75 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
76 OP(PAT,DST,GXxor) }, /* 0x1c P^(S|(D&P)) */
77 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
78 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1d ~D^(S&(D^P)) */
79 { OP(SRC,DST,GXor), OP(PAT,DST,GXxor) }, /* 0x1e P^(D|S) */
80 { OP(SRC,DST,GXor), OP(PAT,DST,GXnand) }, /* 0x1f ~(P&(D|S)) */
81 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXand) }, /* 0x20 D&(P&~S) */
82 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnor) }, /* 0x21 ~(S|(D^P)) */
83 { OP(SRC,DST,GXandInverted) }, /* 0x22 ~S&D */
84 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x23 ~(S|(P&~D)) */
85 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
86 OP(SRC,DST,GXand) }, /* 0x24 (S^P)&(S^D) */
87 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand),
88 OP(PAT,DST,GXequiv) }, /* 0x25 ~P^(D&~(S&P)) */
89 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
90 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x26 S^(D|(S&P)) */
91 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXequiv),
92 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x27 S^(D|~(P^S)) */
93 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand) }, /* 0x28 D&(P^S) */
94 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
95 OP(TMP,DST,GXor), OP(SRC,DST,GXxor),
96 OP(PAT,DST,GXequiv) }, /* 0x29 ~P^S^(D|(P&S)) */
97 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand) }, /* 0x2a D&~(P&S) */
98 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
99 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
100 OP(TMP,DST,GXequiv) }, /* 0x2b ~S^((P^S)&(P^D))*/
101 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
102 OP(SRC,DST,GXxor) }, /* 0x2c S^(P&(S|D)) */
103 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXxor) }, /* 0x2d P^(S|~D) */
104 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
105 OP(PAT,DST,GXxor) }, /* 0x2e P^(S|(D^P)) */
106 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXnand) }, /* 0x2f ~(P&(S|~D)) */
107 { OP(PAT,SRC,GXandReverse) }, /* 0x30 P&~S */
108 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXnor) },/* 0x31 ~(S|(D&~P)) */
109 { OP(SRC,DST,GXor), OP(PAT,DST,GXor),
110 OP(SRC,DST,GXxor) }, /* 0x32 S^(D|P|S) */
111 { OP(SRC,DST,GXcopyInverted) }, /* 0x33 ~S */
112 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
113 OP(SRC,DST,GXxor) }, /* 0x34 S^(P|(D&S)) */
114 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor),
115 OP(SRC,DST,GXxor) }, /* 0x35 S^(P|~(D^S)) */
116 { OP(PAT,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x36 S^(D|P) */
117 { OP(PAT,DST,GXor), OP(SRC,DST,GXnand) }, /* 0x37 ~(S&(D|P)) */
118 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
119 OP(PAT,DST,GXxor) }, /* 0x38 P^(S&(D|P)) */
120 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x39 S^(P|~D) */
121 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
122 OP(SRC,DST,GXxor) }, /* 0x3a S^(P|(D^S)) */
123 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x3b ~(S&(P|~D)) */
124 { OP(PAT,SRC,GXxor) }, /* 0x3c P^S */
125 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
126 OP(SRC,DST,GXxor) }, /* 0x3d S^(P|~(D|S)) */
127 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
128 OP(SRC,DST,GXxor) }, /* 0x3e S^(P|(D&~S)) */
129 { OP(PAT,SRC,GXnand) }, /* 0x3f ~(P&S) */
130 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXand) }, /* 0x40 P&S&~D */
131 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnor) }, /* 0x41 ~(D|(P^S)) */
132 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
133 OP(SRC,DST,GXand) }, /* 0x42 (S^D)&(P^D) */
134 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
135 OP(SRC,DST,GXequiv) }, /* 0x43 ~S^(P&~(D&S)) */
136 { OP(SRC,DST,GXandReverse) }, /* 0x44 S&~D */
137 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x45 ~(D|(P&~S)) */
138 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
139 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x46 D^(S|(P&D)) */
140 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
141 OP(PAT,DST,GXequiv) }, /* 0x47 ~P^(S&(D^P)) */
142 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand) }, /* 0x48 S&(P^D) */
143 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
144 OP(SRC,DST,GXor), OP(TMP,DST,GXxor),
145 OP(PAT,DST,GXequiv) }, /* 0x49 ~P^D^(S|(P&D)) */
146 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
147 OP(SRC,DST,GXxor) }, /* 0x4a D^(P&(S|D)) */
148 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXxor) }, /* 0x4b P^(D|~S) */
149 { OP(PAT,DST,GXnand), OP(SRC,DST,GXand) }, /* 0x4c S&~(D&P) */
150 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
151 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
152 OP(TMP,DST,GXequiv) }, /* 0x4d ~S^((S^P)|(S^D))*/
153 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
154 OP(PAT,DST,GXxor) }, /* 0x4e P^(D|(S^P)) */
155 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXnand) },/* 0x4f ~(P&(D|~S)) */
156 { OP(PAT,DST,GXandReverse) }, /* 0x50 P&~D */
157 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXnor) },/* 0x51 ~(D|(S&~P)) */
158 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
159 OP(SRC,DST,GXxor) }, /* 0x52 D^(P|(S&D)) */
160 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
161 OP(SRC,DST,GXequiv) }, /* 0x53 ~S^(P&(D^S)) */
162 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXnor) }, /* 0x54 ~(D|~(P|S)) */
163 { OP(PAT,DST,GXinvert) }, /* 0x55 ~D */
164 { OP(PAT,SRC,GXor), OP(SRC,DST,GXxor) }, /* 0x56 D^(P|S) */
165 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnand) }, /* 0x57 ~(D&(P|S)) */
166 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
167 OP(PAT,DST,GXxor) }, /* 0x58 P^(D&(P|S)) */
168 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x59 D^(P|~S) */
169 { OP(PAT,DST,GXxor) }, /* 0x5a D^P */
170 { OP(DST,SRC,GXnor), OP(PAT,SRC,GXor),
171 OP(SRC,DST,GXxor) }, /* 0x5b D^(P|~(S|D)) */
172 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
173 OP(SRC,DST,GXxor) }, /* 0x5c D^(P|(S^D)) */
174 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x5d ~(D&(P|~S)) */
175 { OP(DST,SRC,GXandInverted), OP(PAT,SRC,GXor),
176 OP(SRC,DST,GXxor) }, /* 0x5e D^(P|(S&~D)) */
177 { OP(PAT,DST,GXnand) }, /* 0x5f ~(D&P) */
178 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand) }, /* 0x60 P&(D^S) */
179 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
180 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
181 OP(TMP,DST,GXequiv) }, /* 0x61 ~D^S^(P|(D&S)) */
182 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
183 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x62 D^(S&(P|D)) */
184 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x63 S^(D|~P) */
185 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
186 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x64 S^(D&(P|S)) */
187 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x65 D^(S|~P) */
188 { OP(SRC,DST,GXxor) }, /* 0x66 S^D */
189 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
190 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x67 S^(D|~(S|P) */
191 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnor),
192 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
193 OP(TMP,DST,GXequiv) }, /* 0x68 ~D^S^(P|~(D|S))*/
194 { OP(SRC,DST,GXxor), OP(PAT,DST,GXequiv) }, /* 0x69 ~P^(D^S) */
195 { OP(PAT,SRC,GXand), OP(SRC,DST,GXxor) }, /* 0x6a D^(P&S) */
196 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
197 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
198 OP(PAT,DST,GXequiv) }, /* 0x6b ~P^S^(D&(P|S)) */
199 { OP(PAT,DST,GXand), OP(SRC,DST,GXxor) }, /* 0x6c S^(D&P) */
200 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
201 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
202 OP(PAT,DST,GXequiv) }, /* 0x6d ~P^D^(S&(P|D)) */
203 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
204 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x6e S^(D&(P|~S)) */
205 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnand) }, /* 0x6f ~(P&~(S^D)) */
206 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand) }, /* 0x70 P&~(D&S) */
207 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
208 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
209 OP(TMP,DST,GXequiv) }, /* 0x71 ~S^((S^D)&(P^D))*/
210 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
211 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x72 S^(D|(P^S)) */
212 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXnand) },/* 0x73 ~(S&(D|~P)) */
213 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
214 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x74 D^(S|(P^D)) */
215 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXnand) },/* 0x75 ~(D&(S|~P)) */
216 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
217 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x76 S^(D|(P&~S)) */
218 { OP(SRC,DST,GXnand) }, /* 0x77 ~(S&D) */
219 { OP(SRC,DST,GXand), OP(PAT,DST,GXxor) }, /* 0x78 P^(D&S) */
220 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
221 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
222 OP(TMP,DST,GXequiv) }, /* 0x79 ~D^S^(P&(D|S)) */
223 { OP(DST,SRC,GXorInverted), OP(PAT,SRC,GXand),
224 OP(SRC,DST,GXxor) }, /* 0x7a D^(P&(S|~D)) */
225 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7b ~(S&~(D^P)) */
226 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
227 OP(SRC,DST,GXxor) }, /* 0x7c S^(P&(D|~S)) */
228 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7d ~(D&~(P^S)) */
229 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
230 OP(SRC,DST,GXor) }, /* 0x7e (S^P)|(S^D) */
231 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnand) }, /* 0x7f ~(D&P&S) */
232 { OP(PAT,SRC,GXand), OP(SRC,DST,GXand) }, /* 0x80 D&P&S */
233 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
234 OP(SRC,DST,GXnor) }, /* 0x81 ~((S^P)|(S^D)) */
235 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXand) }, /* 0x82 D&~(P^S) */
236 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
237 OP(SRC,DST,GXequiv) }, /* 0x83 ~S^(P&(D|~S)) */
238 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXand) }, /* 0x84 S&~(D^P) */
239 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand),
240 OP(PAT,DST,GXequiv) }, /* 0x85 ~P^(D&(S|~P)) */
241 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
242 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
243 OP(TMP,DST,GXxor) }, /* 0x86 D^S^(P&(D|S)) */
244 { OP(SRC,DST,GXand), OP(PAT,DST,GXequiv) }, /* 0x87 ~P^(D&S) */
245 { OP(SRC,DST,GXand) }, /* 0x88 S&D */
246 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
247 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x89 ~S^(D|(P&~S)) */
248 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8a D&(S|~P) */
249 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
250 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8b ~D^(S|(P^D)) */
251 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8c S&(D|~P) */
252 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
253 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8d ~S^(D|(P^S)) */
254 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
255 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
256 OP(TMP,DST,GXxor) }, /* 0x8e S^((S^D)&(P^D))*/
257 { OP(SRC,DST,GXnand), OP(PAT,DST,GXnand) }, /* 0x8f ~(P&~(D&S)) */
258 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXand) }, /* 0x90 P&~(D^S) */
259 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
260 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x91 ~S^(D&(P|~S)) */
261 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
262 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
263 OP(TMP,DST,GXxor) }, /* 0x92 D^P^(S&(D|P)) */
264 { OP(PAT,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x93 ~S^(P&D) */
265 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
266 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
267 OP(TMP,DST,GXxor) }, /* 0x94 S^P^(D&(P|S)) */
268 { OP(PAT,SRC,GXand), OP(SRC,DST,GXequiv) }, /* 0x95 ~D^(P&S) */
269 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXxor) }, /* 0x96 D^P^S */
270 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
271 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
272 OP(TMP,DST,GXxor) }, /* 0x97 S^P^(D|~(P|S)) */
273 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
274 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x98 ~S^(D|~(P|S)) */
275 { OP(SRC,DST,GXequiv) }, /* 0x99 ~S^D */
276 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9a D^(P&~S) */
277 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
278 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9b ~S^(D&(P|S)) */
279 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9c S^(P&~D) */
280 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
281 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9d ~D^(S&(P|D)) */
282 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
283 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
284 OP(TMP,DST,GXxor) }, /* 0x9e D^S^(P|(D&S)) */
285 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnand) }, /* 0x9f ~(P&(D^S)) */
286 { OP(PAT,DST,GXand) }, /* 0xa0 D&P */
287 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor),
288 OP(PAT,DST,GXequiv) }, /* 0xa1 ~P^(D|(S&~P)) */
289 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXand) }, /* 0xa2 D&(P|~S) */
290 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
291 OP(SRC,DST,GXequiv) }, /* 0xa3 ~D^(P|(S^D)) */
292 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor),
293 OP(PAT,DST,GXequiv) }, /* 0xa4 ~P^(D|~(S|P)) */
294 { OP(PAT,DST,GXequiv) }, /* 0xa5 ~P^D */
295 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXxor) },/* 0xa6 D^(S&~P) */
296 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
297 OP(PAT,DST,GXequiv) }, /* 0xa7 ~P^(D&(S|P)) */
298 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand) }, /* 0xa8 D&(P|S) */
299 { OP(PAT,SRC,GXor), OP(SRC,DST,GXequiv) }, /* 0xa9 ~D^(P|S) */
300 { OP(SRC,DST,GXnoop) }, /* 0xaa D */
301 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor) }, /* 0xab D|~(P|S) */
302 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
303 OP(SRC,DST,GXxor) }, /* 0xac S^(P&(D^S)) */
304 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
305 OP(SRC,DST,GXequiv) }, /* 0xad ~D^(P|(S&D)) */
306 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor) }, /* 0xae D|(S&~P) */
307 { OP(PAT,DST,GXorInverted) }, /* 0xaf D|~P */
308 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand) }, /* 0xb0 P&(D|~S) */
309 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
310 OP(PAT,DST,GXequiv) }, /* 0xb1 ~P^(D|(S^P)) */
311 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
312 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
313 OP(TMP,DST,GXxor) }, /* 0xb2 S^((S^P)|(S^D))*/
314 { OP(PAT,DST,GXnand), OP(SRC,DST,GXnand) }, /* 0xb3 ~(S&~(D&P)) */
315 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXxor) }, /* 0xb4 P^(S&~D) */
316 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
317 OP(SRC,DST,GXequiv) }, /* 0xb5 ~D^(P&(S|D)) */
318 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
319 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
320 OP(TMP,DST,GXxor) }, /* 0xb6 D^P^(S|(D&P)) */
321 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnand) }, /* 0xb7 ~(S&(D^P)) */
322 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
323 OP(PAT,DST,GXxor) }, /* 0xb8 P^(S&(D^P)) */
324 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
325 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xb9 ~D^(S|(P&D)) */
326 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXor) }, /* 0xba D|(P&~S) */
327 { OP(SRC,DST,GXorInverted) }, /* 0xbb ~S|D */
328 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
329 OP(SRC,DST,GXxor) }, /* 0xbc S^(P&~(D&S)) */
330 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
331 OP(SRC,DST,GXnand) }, /* 0xbd ~((S^D)&(P^D)) */
332 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor) }, /* 0xbe D|(P^S) */
333 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXor) }, /* 0xbf D|~(P&S) */
334 { OP(PAT,SRC,GXand) }, /* 0xc0 P&S */
335 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
336 OP(SRC,DST,GXequiv) }, /* 0xc1 ~S^(P|(D&~S)) */
337 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
338 OP(SRC,DST,GXequiv) }, /* 0xc2 ~S^(P|~(D|S)) */
339 { OP(PAT,SRC,GXequiv) }, /* 0xc3 ~P^S */
340 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXand) }, /* 0xc4 S&(P|~D) */
341 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
342 OP(SRC,DST,GXequiv) }, /* 0xc5 ~S^(P|(D^S)) */
343 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXxor) },/* 0xc6 S^(D&~P) */
344 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
345 OP(PAT,DST,GXequiv) }, /* 0xc7 ~P^(S&(D|P)) */
346 { OP(PAT,DST,GXor), OP(SRC,DST,GXand) }, /* 0xc8 S&(D|P) */
347 { OP(PAT,DST,GXor), OP(SRC,DST,GXequiv) }, /* 0xc9 ~S^(P|D) */
348 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXand),
349 OP(SRC,DST,GXxor) }, /* 0xca D^(P&(S^D)) */
350 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
351 OP(SRC,DST,GXequiv) }, /* 0xcb ~S^(P|(D&S)) */
352 { OP(SRC,DST,GXcopy) }, /* 0xcc S */
353 { OP(PAT,DST,GXnor), OP(SRC,DST,GXor) }, /* 0xcd S|~(D|P) */
354 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXor) }, /* 0xce S|(D&~P) */
355 { OP(PAT,SRC,GXorInverted) }, /* 0xcf S|~P */
356 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXand) }, /* 0xd0 P&(S|~D) */
357 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
358 OP(PAT,DST,GXequiv) }, /* 0xd1 ~P^(S|(D^P)) */
359 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXxor) },/* 0xd2 P^(D&~S) */
360 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
361 OP(SRC,DST,GXequiv) }, /* 0xd3 ~S^(P&(D|S)) */
362 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
363 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
364 OP(TMP,DST,GXxor) }, /* 0xd4 S^((S^P)&(D^P))*/
365 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXnand) }, /* 0xd5 ~(D&~(P&S)) */
366 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
367 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
368 OP(TMP,DST,GXxor) }, /* 0xd6 S^P^(D|(P&S)) */
369 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnand) }, /* 0xd7 ~(D&(P^S)) */
370 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
371 OP(PAT,DST,GXxor) }, /* 0xd8 P^(D&(S^P)) */
372 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
373 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xd9 ~S^(D|(P&S)) */
374 { OP(DST,SRC,GXnand), OP(PAT,SRC,GXand),
375 OP(SRC,DST,GXxor) }, /* 0xda D^(P&~(S&D)) */
376 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
377 OP(SRC,DST,GXnand) }, /* 0xdb ~((S^P)&(S^D)) */
378 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXor) }, /* 0xdc S|(P&~D) */
379 { OP(SRC,DST,GXorReverse) }, /* 0xdd S|~D */
380 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor) }, /* 0xde S|(D^P) */
381 { OP(PAT,DST,GXnand), OP(SRC,DST,GXor) }, /* 0xdf S|~(D&P) */
382 { OP(SRC,DST,GXor), OP(PAT,DST,GXand) }, /* 0xe0 P&(D|S) */
383 { OP(SRC,DST,GXor), OP(PAT,DST,GXequiv) }, /* 0xe1 ~P^(D|S) */
384 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
385 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe2 D^(S&(P^D)) */
386 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
387 OP(PAT,DST,GXequiv) }, /* 0xe3 ~P^(S|(D&P)) */
388 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
389 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe4 S^(D&(P^S)) */
390 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
391 OP(PAT,DST,GXequiv) }, /* 0xe5 ~P^(D|(S&P)) */
392 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
393 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe6 S^(D&~(P&S)) */
394 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
395 OP(SRC,DST,GXnand) }, /* 0xe7 ~((S^P)&(D^P)) */
396 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
397 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
398 OP(TMP,DST,GXxor) }, /* 0xe8 S^((S^P)&(S^D))*/
399 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnand),
400 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
401 OP(TMP,DST,GXequiv) }, /* 0xe9 ~D^S^(P&~(S&D))*/
402 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor) }, /* 0xea D|(P&S) */
403 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXor) }, /* 0xeb D|~(P^S) */
404 { OP(PAT,DST,GXand), OP(SRC,DST,GXor) }, /* 0xec S|(D&P) */
405 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXor) }, /* 0xed S|~(D^P) */
406 { OP(SRC,DST,GXor) }, /* 0xee S|D */
407 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXor) }, /* 0xef S|D|~P */
408 { OP(PAT,DST,GXcopy) }, /* 0xf0 P */
409 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor) }, /* 0xf1 P|~(D|S) */
410 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor) }, /* 0xf2 P|(D&~S) */
411 { OP(PAT,SRC,GXorReverse) }, /* 0xf3 P|~S */
412 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXor) }, /* 0xf4 P|(S&~D) */
413 { OP(PAT,DST,GXorReverse) }, /* 0xf5 P|~D */
414 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor) }, /* 0xf6 P|(D^S) */
415 { OP(SRC,DST,GXnand), OP(PAT,DST,GXor) }, /* 0xf7 P|~(S&D) */
416 { OP(SRC,DST,GXand), OP(PAT,DST,GXor) }, /* 0xf8 P|(D&S) */
417 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor) }, /* 0xf9 P|~(D^S) */
418 { OP(PAT,DST,GXor) }, /* 0xfa D|P */
419 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXor) }, /* 0xfb D|P|~S */
420 { OP(PAT,SRC,GXor) }, /* 0xfc P|S */
421 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXor) }, /* 0xfd P|S|~D */
422 { OP(SRC,DST,GXor), OP(PAT,DST,GXor) }, /* 0xfe P|D|S */
423 { OP(PAT,DST,GXset) } /* 0xff 1 */
424 };
425
426
427 #ifdef BITBLT_TEST /* Opcodes test */
428
429 static int do_bitop( int s, int d, int rop )
430 {
431 int res;
432 switch(rop)
433 {
434 case GXclear: res = 0; break;
435 case GXand: res = s & d; break;
436 case GXandReverse: res = s & ~d; break;
437 case GXcopy: res = s; break;
438 case GXandInverted: res = ~s & d; break;
439 case GXnoop: res = d; break;
440 case GXxor: res = s ^ d; break;
441 case GXor: res = s | d; break;
442 case GXnor: res = ~(s | d); break;
443 case GXequiv: res = ~s ^ d; break;
444 case GXinvert: res = ~d; break;
445 case GXorReverse: res = s | ~d; break;
446 case GXcopyInverted: res = ~s; break;
447 case GXorInverted: res = ~s | d; break;
448 case GXnand: res = ~(s & d); break;
449 case GXset: res = 1; break;
450 }
451 return res & 1;
452 }
453
454 main()
455 {
456 int rop, i, res, src, dst, pat, tmp, dstUsed;
457 const BYTE *opcode;
458
459 for (rop = 0; rop < 256; rop++)
460 {
461 res = dstUsed = 0;
462 for (i = 0; i < 8; i++)
463 {
464 pat = (i >> 2) & 1;
465 src = (i >> 1) & 1;
466 dst = i & 1;
467 for (opcode = BITBLT_Opcodes[rop]; *opcode; opcode++)
468 {
469 switch(*opcode >> 4)
470 {
471 case OP_ARGS(DST,TMP):
472 tmp = do_bitop( dst, tmp, *opcode & 0xf );
473 break;
474 case OP_ARGS(DST,SRC):
475 src = do_bitop( dst, src, *opcode & 0xf );
476 break;
477 case OP_ARGS(SRC,TMP):
478 tmp = do_bitop( src, tmp, *opcode & 0xf );
479 break;
480 case OP_ARGS(SRC,DST):
481 dst = do_bitop( src, dst, *opcode & 0xf );
482 dstUsed = 1;
483 break;
484 case OP_ARGS(PAT,TMP):
485 tmp = do_bitop( pat, tmp, *opcode & 0xf );
486 break;
487 case OP_ARGS(PAT,DST):
488 dst = do_bitop( pat, dst, *opcode & 0xf );
489 dstUsed = 1;
490 break;
491 case OP_ARGS(PAT,SRC):
492 src = do_bitop( pat, src, *opcode & 0xf );
493 break;
494 case OP_ARGS(TMP,DST):
495 dst = do_bitop( tmp, dst, *opcode & 0xf );
496 dstUsed = 1;
497 break;
498 case OP_ARGS(TMP,SRC):
499 src = do_bitop( tmp, src, *opcode & 0xf );
500 break;
501 default:
502 printf( "Invalid opcode %x\n", *opcode );
503 }
504 }
505 if (!dstUsed) dst = src;
506 if (dst) res |= 1 << i;
507 }
508 if (res != rop) printf( "%02x: ERROR, res=%02x\n", rop, res );
509 }
510 }
511
512 #endif /* BITBLT_TEST */
513
514
515 /***********************************************************************
516 * BITBLT_StretchRow
517 *
518 * Stretch a row of pixels. Helper function for BITBLT_StretchImage.
519 */
520 static void BITBLT_StretchRow( int *rowSrc, int *rowDst,
521 short startDst, short widthDst,
522 int xinc, WORD mode )
523 {
524 register int xsrc = xinc * startDst;
525 rowDst += startDst;
526 switch(mode)
527 {
528 case STRETCH_ANDSCANS:
529 for(; widthDst > 0; widthDst--, xsrc += xinc)
530 *rowDst++ &= rowSrc[xsrc >> 16];
531 break;
532 case STRETCH_ORSCANS:
533 for(; widthDst > 0; widthDst--, xsrc += xinc)
534 *rowDst++ |= rowSrc[xsrc >> 16];
535 break;
536 case STRETCH_DELETESCANS:
537 for(; widthDst > 0; widthDst--, xsrc += xinc)
538 *rowDst++ = rowSrc[xsrc >> 16];
539 break;
540 }
541 }
542
543
544 /***********************************************************************
545 * BITBLT_ShrinkRow
546 *
547 * Shrink a row of pixels. Helper function for BITBLT_StretchImage.
548 */
549 static void BITBLT_ShrinkRow( int *rowSrc, int *rowDst,
550 short startSrc, short widthSrc,
551 int xinc, WORD mode )
552 {
553 register int xdst = xinc * startSrc;
554 rowSrc += startSrc;
555 switch(mode)
556 {
557 case STRETCH_ORSCANS:
558 for(; widthSrc > 0; widthSrc--, xdst += xinc)
559 rowDst[xdst >> 16] |= *rowSrc++;
560 break;
561 case STRETCH_ANDSCANS:
562 for(; widthSrc > 0; widthSrc--, xdst += xinc)
563 rowDst[xdst >> 16] &= *rowSrc++;
564 break;
565 case STRETCH_DELETESCANS:
566 for(; widthSrc > 0; widthSrc--, xdst += xinc)
567 rowDst[xdst >> 16] = *rowSrc++;
568 break;
569 }
570 }
571
572
573 /***********************************************************************
574 * BITBLT_GetRow
575 *
576 * Retrieve a row from an image. Helper function for BITBLT_StretchImage.
577 */
578 static void BITBLT_GetRow( XImage *image, int *pdata, short row,
579 short start, short width, short depthDst,
580 int fg, int bg, BOOL swap)
581 {
582 register short i;
583
584 pdata += swap ? start+width-1 : start;
585 if (image->depth == depthDst) /* color -> color */
586 {
587 if (COLOR_PixelToPalette && (depthDst != 1))
588 if (swap) for (i = 0; i < width; i++)
589 *pdata-- = COLOR_PixelToPalette[XGetPixel( image, i, row )];
590 else for (i = 0; i < width; i++)
591 *pdata++ = COLOR_PixelToPalette[XGetPixel( image, i, row )];
592 else
593 if (swap) for (i = 0; i < width; i++)
594 *pdata-- = XGetPixel( image, i, row );
595 else for (i = 0; i < width; i++)
596 *pdata++ = XGetPixel( image, i, row );
597 }
598 else
599 {
600 if (image->depth == 1) /* monochrome -> color */
601 {
602 if (COLOR_PixelToPalette)
603 {
604 fg = COLOR_PixelToPalette[fg];
605 bg = COLOR_PixelToPalette[bg];
606 }
607 if (swap) for (i = 0; i < width; i++)
608 *pdata-- = XGetPixel( image, i, row ) ? bg : fg;
609 else for (i = 0; i < width; i++)
610 *pdata++ = XGetPixel( image, i, row ) ? bg : fg;
611 }
612 else /* color -> monochrome */
613 {
614 if (swap) for (i = 0; i < width; i++)
615 *pdata-- = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
616 else for (i = 0; i < width; i++)
617 *pdata++ = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
618 }
619 }
620 }
621
622
623 /***********************************************************************
624 * BITBLT_StretchImage
625 *
626 * Stretch an X image.
627 */
628 static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage,
629 short widthSrc, short heightSrc,
630 short widthDst, short heightDst,
631 RECT *visRectSrc, RECT *visRectDst,
632 int foreground, int background, WORD mode )
633 {
634 int *rowSrc, *rowDst, *pixel;
635 int xinc, yinc, ysrc, ydst;
636 register short x, y;
637 BOOL hstretch, vstretch, hswap, vswap;
638
639 hswap = ((int)widthSrc * widthDst) < 0;
640 vswap = ((int)heightSrc * heightDst) < 0;
641 widthSrc = abs(widthSrc);
642 heightSrc = abs(heightSrc);
643 widthDst = abs(widthDst);
644 heightDst = abs(heightDst);
645
646 dprintf_bitblt( stddeb, "BITBLT_StretchImage: %dx%d -> %dx%d (mode=%d,h=%d,v=%d)\n",
647 widthSrc, heightSrc, widthDst, heightDst, mode, hswap, vswap );
648
649 if (!(rowSrc = (int *)malloc( (widthSrc+widthDst)*sizeof(int) ))) return;
650 rowDst = rowSrc + widthSrc;
651
652 /* When stretching, all modes are the same, and DELETESCANS is faster */
653 if ((widthSrc < widthDst) && (heightSrc < heightDst))
654 mode = STRETCH_DELETESCANS;
655
656 if (mode != STRETCH_DELETESCANS)
657 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
658 widthDst*sizeof(int) );
659
660 hstretch = ((widthSrc < widthDst) || (mode == STRETCH_DELETESCANS));
661 vstretch = ((heightSrc < heightDst) || (mode == STRETCH_DELETESCANS));
662 xinc = hstretch ? ((int)widthSrc << 16) / widthDst :
663 ((int)widthDst << 16) / widthSrc;
664
665 if (vstretch)
666 {
667 yinc = ((int)heightSrc << 16) / heightDst;
668 ydst = visRectDst->top;
669 ysrc = yinc * ydst;
670 }
671 else
672 {
673 yinc = ((int)heightDst << 16) / heightSrc;
674 ysrc = visRectSrc->top;
675 ydst = yinc * ysrc;
676 }
677
678 while(vstretch ? (ydst < visRectDst->bottom) : (ysrc < visRectSrc->bottom))
679 {
680 /* Retrieve a source row */
681 BITBLT_GetRow( srcImage, rowSrc, vstretch ? ysrc >> 16 : ysrc,
682 visRectSrc->left, visRectSrc->right - visRectSrc->left,
683 dstImage->depth, foreground, background, hswap );
684
685 /* Stretch or shrink it */
686 if (hstretch)
687 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left,
688 visRectDst->right-visRectDst->left, xinc, mode);
689 else BITBLT_ShrinkRow( rowSrc, rowDst, visRectSrc->left,
690 visRectSrc->right-visRectSrc->left, xinc, mode);
691
692 /* When shrinking, merge several source rows into the destination */
693 if (!vstretch)
694 {
695 if (mode == STRETCH_DELETESCANS)
696 {
697 /* Simply skip the overlapping rows */
698 while (((ydst + yinc) >> 16 == ydst >> 16) &&
699 (ysrc < visRectSrc->bottom-1))
700 {
701 ydst += yinc;
702 ysrc++;
703 }
704 }
705 else if (((ydst + yinc) >> 16 == ydst >> 16) &&
706 (ysrc < visRectSrc->bottom-1))
707 {
708 ydst += yinc;
709 ysrc++;
710 continue; /* Restart loop for next overlapping row */
711 }
712 }
713
714 /* Store the destination row */
715
716 pixel = rowDst + visRectDst->right - 1;
717 if (vswap)
718 y = visRectDst->bottom - (vstretch ? ydst : ydst >> 16);
719 else
720 y = (vstretch ? ydst : ydst >> 16) - visRectDst->top;
721 for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--)
722 XPutPixel( dstImage, x, y, *pixel-- );
723 if (mode != STRETCH_DELETESCANS)
724 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
725 widthDst*sizeof(int) );
726
727 /* If stretching, make copies of the destination row */
728
729 if (vstretch)
730 {
731 char *pdata = dstImage->data + dstImage->bytes_per_line * y;
732 while (((ysrc + yinc) >> 16 == ysrc >> 16) &&
733 (ydst < visRectDst->bottom-1))
734 {
735 if (vswap)
736 {
737 memcpy( pdata - dstImage->bytes_per_line, pdata,
738 dstImage->bytes_per_line );
739 pdata -= dstImage->bytes_per_line;
740 }
741 else
742 {
743 memcpy( pdata + dstImage->bytes_per_line, pdata,
744 dstImage->bytes_per_line );
745 pdata += dstImage->bytes_per_line;
746 }
747 ysrc += yinc;
748 ydst++;
749 }
750 ysrc += yinc;
751 ydst++;
752 }
753 else
754 {
755 ydst += yinc;
756 ysrc++;
757 }
758 }
759
760 free( rowSrc );
761 }
762
763
764 /***********************************************************************
765 * BITBLT_GetSrcAreaStretch
766 *
767 * Retrieve an area from the source DC, stretching and mapping all the
768 * pixels to Windows colors.
769 */
770 static void BITBLT_GetSrcAreaStretch( DC *dcSrc, DC *dcDst,
771 Pixmap pixmap, GC gc,
772 short xSrc, short ySrc,
773 short widthSrc, short heightSrc,
774 short xDst, short yDst,
775 short widthDst, short heightDst,
776 RECT *visRectSrc, RECT *visRectDst )
777 {
778 XImage *imageSrc, *imageDst;
779
780 RECT rectSrc = *visRectSrc;
781 RECT rectDst = *visRectDst;
782 OffsetRect( &rectSrc, -xSrc, -ySrc );
783 OffsetRect( &rectDst, -xDst, -yDst );
784 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
785 visRectSrc->left, visRectSrc->top,
786 visRectSrc->right - visRectSrc->left,
787 visRectSrc->bottom - visRectSrc->top,
788 AllPlanes, ZPixmap );
789 XCREATEIMAGE( imageDst, rectDst.right - rectDst.left,
790 rectDst.bottom - rectDst.top, dcDst->w.bitsPerPixel );
791 BITBLT_StretchImage( imageSrc, imageDst, widthSrc, heightSrc,
792 widthDst, heightDst, &rectSrc, &rectDst,
793 dcDst->w.textPixel, dcDst->w.bitsPerPixel != 1 ?
794 dcDst->w.backgroundPixel : dcSrc->w.backgroundPixel,
795 dcDst->w.stretchBltMode );
796 XPutImage( display, pixmap, gc, imageDst, 0, 0, 0, 0,
797 rectDst.right - rectDst.left, rectDst.bottom - rectDst.top );
798 XDestroyImage( imageSrc );
799 XDestroyImage( imageDst );
800 }
801
802
803 /***********************************************************************
804 * BITBLT_GetSrcArea
805 *
806 * Retrieve an area from the source DC, mapping all the
807 * pixels to Windows colors.
808 */
809 static void BITBLT_GetSrcArea( DC *dcSrc, DC *dcDst, Pixmap pixmap, GC gc,
810 short xSrc, short ySrc,
811 RECT *visRectSrc )
812 {
813 XImage *imageSrc, *imageDst;
814 register short x, y;
815 short width = visRectSrc->right - visRectSrc->left;
816 short height = visRectSrc->bottom - visRectSrc->top;
817
818 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
819 {
820 if (!COLOR_PixelToPalette ||
821 (dcDst->w.bitsPerPixel == 1)) /* monochrome -> monochrome */
822 {
823 XCopyArea( display, dcSrc->u.x.drawable, pixmap, gc,
824 visRectSrc->left, visRectSrc->top, width, height, 0, 0);
825 }
826 else /* color -> color */
827 {
828 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
829 visRectSrc->left, visRectSrc->top,
830 width, height, AllPlanes, ZPixmap );
831 for (y = 0; y < height; y++)
832 for (x = 0; x < width; x++)
833 XPutPixel(imageSrc, x, y,
834 COLOR_PixelToPalette[XGetPixel(imageSrc, x, y)]);
835 XPutImage( display, pixmap, gc, imageSrc,
836 0, 0, 0, 0, width, height );
837 XDestroyImage( imageSrc );
838 }
839 }
840 else
841 {
842 if (dcSrc->w.bitsPerPixel == 1) /* monochrome -> color */
843 {
844 if (COLOR_PixelToPalette)
845 {
846 XSetBackground( display, gc,
847 COLOR_PixelToPalette[dcDst->w.textPixel] );
848 XSetForeground( display, gc,
849 COLOR_PixelToPalette[dcDst->w.backgroundPixel]);
850 }
851 else
852 {
853 XSetBackground( display, gc, dcDst->w.textPixel );
854 XSetForeground( display, gc, dcDst->w.backgroundPixel );
855 }
856 XCopyPlane( display, dcSrc->u.x.drawable, pixmap, gc,
857 visRectSrc->left, visRectSrc->top,
858 width, height, 0, 0, 1 );
859 }
860 else /* color -> monochrome */
861 {
862 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
863 visRectSrc->left, visRectSrc->top,
864 width, height, AllPlanes, ZPixmap );
865 XCREATEIMAGE( imageDst, width, height, dcDst->w.bitsPerPixel );
866 for (y = 0; y < height; y++)
867 for (x = 0; x < width; x++)
868 XPutPixel(imageDst, x, y, (XGetPixel(imageSrc,x,y) ==
869 dcSrc->w.backgroundPixel) );
870 XPutImage( display, pixmap, gc, imageDst,
871 0, 0, 0, 0, width, height );
872 XDestroyImage( imageSrc );
873 XDestroyImage( imageDst );
874 }
875 }
876 }
877
878
879 /***********************************************************************
880 * BITBLT_GetDstArea
881 *
882 * Retrieve an area from the destination DC, mapping all the
883 * pixels to Windows colors.
884 */
885 static void BITBLT_GetDstArea( DC *dc, Pixmap pixmap, GC gc, RECT *visRectDst )
886 {
887 short width = visRectDst->right - visRectDst->left;
888 short height = visRectDst->bottom - visRectDst->top;
889
890 if (!COLOR_PixelToPalette || (dc->w.bitsPerPixel == 1))
891 {
892 XCopyArea( display, dc->u.x.drawable, pixmap, gc,
893 visRectDst->left, visRectDst->top, width, height, 0, 0 );
894 }
895 else
896 {
897 register short x, y;
898 XImage *image = XGetImage( display, dc->u.x.drawable,
899 visRectDst->left, visRectDst->top,
900 width, height, AllPlanes, ZPixmap );
901 for (y = 0; y < height; y++)
902 for (x = 0; x < width; x++)
903 XPutPixel( image, x, y,
904 COLOR_PixelToPalette[XGetPixel( image, x, y )]);
905 XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, width, height );
906 }
907 }
908
909
910 /***********************************************************************
911 * BITBLT_PutDstArea
912 *
913 * Put an area back into the destination DC, mapping the pixel
914 * colors to X pixels.
915 */
916 static void BITBLT_PutDstArea( DC *dc, Pixmap pixmap, GC gc, RECT *visRectDst )
917 {
918 short width = visRectDst->right - visRectDst->left;
919 short height = visRectDst->bottom - visRectDst->top;
920
921 if (!COLOR_PaletteToPixel)
922 {
923 XCopyArea( display, pixmap, dc->u.x.drawable, gc, 0, 0,
924 width, height, visRectDst->left, visRectDst->top );
925 }
926 else
927 {
928 register short x, y;
929 XImage *image = XGetImage( display, pixmap, 0, 0, width, height,
930 AllPlanes, ZPixmap );
931 for (y = 0; y < height; y++)
932 for (x = 0; x < width; x++)
933 {
934 XPutPixel( image, x, y,
935 COLOR_PaletteToPixel[XGetPixel( image, x, y )]);
936 }
937 XPutImage( display, dc->u.x.drawable, gc, image, 0, 0,
938 visRectDst->left, visRectDst->top, width, height );
939 XDestroyImage( image );
940 }
941 }
942
943
944 /***********************************************************************
945 * BITBLT_GetVisRectangles
946 *
947 * Get the source and destination visible rectangles for StretchBlt().
948 * Return FALSE if one of the rectangles is empty.
949 */
950 static BOOL BITBLT_GetVisRectangles( DC *dcDst, short xDst, short yDst,
951 short widthDst, short heightDst,
952 DC *dcSrc, short xSrc, short ySrc,
953 short widthSrc, short heightSrc,
954 RECT *visRectSrc, RECT *visRectDst )
955 {
956 RECT tmpRect, clipRect;
957
958 if (widthSrc < 0) { widthSrc = -widthSrc; xSrc -= widthSrc; }
959 if (widthDst < 0) { widthDst = -widthDst; xDst -= widthDst; }
960 if (heightSrc < 0) { heightSrc = -heightSrc; ySrc -= heightSrc; }
961 if (heightDst < 0) { heightDst = -heightDst; yDst -= heightDst; }
962
963 /* Get the destination visible rectangle */
964
965 SetRect( &tmpRect, xDst, yDst, xDst + widthDst, yDst + heightDst );
966 GetRgnBox( dcDst->w.hGCClipRgn, &clipRect );
967 OffsetRect( &clipRect, dcDst->w.DCOrgX, dcDst->w.DCOrgY );
968 if (!IntersectRect( visRectDst, &tmpRect, &clipRect )) return FALSE;
969
970 /* Get the source visible rectangle */
971
972 if (!dcSrc) return TRUE;
973 SetRect( &tmpRect, xSrc, ySrc, xSrc + widthSrc, ySrc + heightSrc );
974 GetRgnBox( dcSrc->w.hGCClipRgn, &clipRect );
975 OffsetRect( &clipRect, dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
976 if (!IntersectRect( visRectSrc, &tmpRect, &clipRect )) return FALSE;
977
978 /* Intersect the rectangles */
979
980 if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */
981 {
982 OffsetRect( visRectSrc, xDst - xSrc, yDst - ySrc );
983 if (!IntersectRect( &tmpRect, visRectSrc, visRectDst )) return FALSE;
984 *visRectSrc = *visRectDst = tmpRect;
985 OffsetRect( visRectSrc, xSrc - xDst, ySrc - yDst );
986 }
987 else /* stretching */
988 {
989 visRectSrc->left = xDst + (visRectSrc->left-xSrc)*widthDst/widthSrc;
990 visRectSrc->top = yDst + (visRectSrc->top-ySrc)*heightDst/heightSrc;
991 visRectSrc->right = xDst +
992 ((visRectSrc->right-xSrc) * widthDst) / widthSrc;
993 visRectSrc->bottom = yDst +
994 ((visRectSrc->bottom-ySrc) * heightDst) / heightSrc;
995 if (!IntersectRect( &tmpRect, visRectSrc, visRectDst )) return FALSE;
996 *visRectSrc = *visRectDst = tmpRect;
997 visRectSrc->left = xSrc + (visRectSrc->left-xDst)*widthSrc/widthDst;
998 visRectSrc->top = ySrc + (visRectSrc->top-yDst)*heightSrc/heightDst;
999 visRectSrc->right = xSrc +
1000 ((visRectSrc->right-xDst) * widthSrc) / widthDst;
1001 visRectSrc->bottom = ySrc +
1002 ((visRectSrc->bottom-yDst) * heightSrc) / heightDst;
1003 if (IsRectEmpty( visRectSrc )) return FALSE;
1004 }
1005 return TRUE;
1006 }
1007
1008
1009 /***********************************************************************
1010 * BITBLT_InternalStretchBlt
1011 *
1012 * Implementation of PatBlt(), BitBlt() and StretchBlt().
1013 */
1014 BOOL BITBLT_InternalStretchBlt( DC *dcDst, short xDst, short yDst,
1015 short widthDst, short heightDst,
1016 DC *dcSrc, short xSrc, short ySrc,
1017 short widthSrc, short heightSrc, DWORD rop )
1018 {
1019 BOOL usePat, useSrc, useDst, destUsed, fStretch, fNullBrush;
1020 RECT visRectDst, visRectSrc;
1021 short width, height;
1022 const BYTE *opcode;
1023 Pixmap pixmaps[3] = { 0, 0, 0 }; /* pixmaps for DST, SRC, TMP */
1024 GC tmpGC = 0;
1025
1026 usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000));
1027 useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000));
1028 useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000));
1029 if (!dcSrc && useSrc) return FALSE;
1030
1031 /* Map the coordinates to device coords */
1032
1033 xDst = dcDst->w.DCOrgX + XLPTODP( dcDst, xDst );
1034 yDst = dcDst->w.DCOrgY + YLPTODP( dcDst, yDst );
1035 widthDst = widthDst * dcDst->w.VportExtX / dcDst->w.WndExtX;
1036 heightDst = heightDst * dcDst->w.VportExtY / dcDst->w.WndExtY;
1037
1038 dprintf_bitblt( stddeb, " vportdst=%d,%d-%d,%d wnddst=%d,%d-%d,%d\n",
1039 dcDst->w.VportOrgX, dcDst->w.VportOrgY,
1040 dcDst->w.VportExtX, dcDst->w.VportExtY,
1041 dcDst->w.WndOrgX, dcDst->w.WndOrgY,
1042 dcDst->w.WndExtX, dcDst->w.WndExtY );
1043 dprintf_bitblt( stddeb, " rectdst=%d,%d-%d,%d orgdst=%d,%d\n",
1044 xDst, yDst, widthDst, heightDst,
1045 dcDst->w.DCOrgX, dcDst->w.DCOrgY );
1046
1047 if (useSrc)
1048 {
1049 xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc );
1050 ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc );
1051 widthSrc = widthSrc * dcSrc->w.VportExtX / dcSrc->w.WndExtX;
1052 heightSrc = heightSrc * dcSrc->w.VportExtY / dcSrc->w.WndExtY;
1053 fStretch = (widthSrc != widthDst) || (heightSrc != heightDst);
1054 dprintf_bitblt( stddeb," vportsrc=%d,%d-%d,%d wndsrc=%d,%d-%d,%d\n",
1055 dcSrc->w.VportOrgX, dcSrc->w.VportOrgY,
1056 dcSrc->w.VportExtX, dcSrc->w.VportExtY,
1057 dcSrc->w.WndOrgX, dcSrc->w.WndOrgY,
1058 dcSrc->w.WndExtX, dcSrc->w.WndExtY );
1059 dprintf_bitblt( stddeb, " rectsrc=%d,%d-%d,%d orgsrc=%d,%d\n",
1060 xSrc, ySrc, widthSrc, heightSrc,
1061 dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
1062 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1063 dcSrc, xSrc, ySrc, widthSrc, heightSrc,
1064 &visRectSrc, &visRectDst ))
1065 return TRUE;
1066 dprintf_bitblt( stddeb, " vissrc=%d,%d-%d,%d visdst=%d,%d-%d,%d\n",
1067 visRectSrc.left, visRectSrc.top,
1068 visRectSrc.right, visRectSrc.bottom,
1069 visRectDst.left, visRectDst.top,
1070 visRectDst.right, visRectDst.bottom );
1071 }
1072 else
1073 {
1074 fStretch = FALSE;
1075 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1076 NULL, 0, 0, 0, 0, NULL, &visRectDst ))
1077 return TRUE;
1078 dprintf_bitblt( stddeb, " vissrc=none visdst=%d,%d-%d,%d\n",
1079 visRectDst.left, visRectDst.top,
1080 visRectDst.right, visRectDst.bottom );
1081 }
1082
1083 width = visRectDst.right - visRectDst.left;
1084 height = visRectDst.bottom - visRectDst.top;
1085
1086 if (!fStretch) switch(rop) /* A few optimisations */
1087 {
1088 case BLACKNESS: /* 0x00 */
1089 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1090 XSetFunction( display, dcDst->u.x.gc, GXclear );
1091 else
1092 {
1093 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1094 XSetForeground( display, dcDst->u.x.gc, COLOR_PaletteToPixel[0] );
1095 XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
1096 }
1097 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1098 visRectDst.left, visRectDst.top, width, height );
1099 return TRUE;
1100
1101 case PATINVERT: /* 0x5a */
1102 /* FIXME: This is not really correct, but for now PATINVERT is */
1103 /* used to draw the window moving frame, so it has to be fast. */
1104 if (!DC_SetupGCForBrush( dcDst )) return TRUE;
1105 XSetFunction( display, dcDst->u.x.gc, GXxor );
1106 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1107 visRectDst.left, visRectDst.top, width, height );
1108 return TRUE;
1109
1110 case SRCCOPY: /* 0xcc */
1111 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
1112 {
1113 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1114 XCopyArea( display, dcSrc->u.x.drawable,
1115 dcDst->u.x.drawable, dcDst->u.x.gc,
1116 visRectSrc.left, visRectSrc.top,
1117 width, height, visRectDst.left, visRectDst.top );
1118 return TRUE;
1119 }
1120 if (dcSrc->w.bitsPerPixel == 1)
1121 {
1122 XSetBackground( display, dcDst->u.x.gc, dcDst->w.textPixel );
1123 XSetForeground( display, dcDst->u.x.gc, dcDst->w.backgroundPixel );
1124 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1125 XCopyPlane( display, dcSrc->u.x.drawable,
1126 dcDst->u.x.drawable, dcDst->u.x.gc,
1127 visRectSrc.left, visRectSrc.top,
1128 width, height, visRectDst.left, visRectDst.top, 1 );
1129 return TRUE;
1130 }
1131 break;
1132
1133 case PATCOPY: /* 0xf0 */
1134 if (!DC_SetupGCForBrush( dcDst )) return TRUE;
1135 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1136 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1137 visRectDst.left, visRectDst.top, width, height );
1138 return TRUE;
1139
1140 case WHITENESS: /* 0xff */
1141 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1142 XSetFunction( display, dcDst->u.x.gc, GXset );
1143 else
1144 {
1145 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1146 XSetForeground( display, dcDst->u.x.gc,
1147 COLOR_PaletteToPixel[COLOR_ColormapSize-1] );
1148 XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
1149 }
1150 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1151 visRectDst.left, visRectDst.top, width, height );
1152 return TRUE;
1153 }
1154
1155 tmpGC = XCreateGC( display, dcDst->u.x.drawable, 0, NULL );
1156 pixmaps[DST] = XCreatePixmap( display, rootWindow, width, height,
1157 dcDst->w.bitsPerPixel );
1158 if (useSrc)
1159 {
1160 pixmaps[SRC] = XCreatePixmap( display, rootWindow, width, height,
1161 dcDst->w.bitsPerPixel );
1162 if (fStretch)
1163 BITBLT_GetSrcAreaStretch( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1164 xSrc, ySrc, widthSrc, heightSrc,
1165 xDst, yDst, widthDst, heightDst,
1166 &visRectSrc, &visRectDst );
1167 else
1168 BITBLT_GetSrcArea( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1169 xSrc, ySrc, &visRectSrc );
1170 }
1171 if (useDst) BITBLT_GetDstArea( dcDst, pixmaps[DST], tmpGC, &visRectDst );
1172 if (usePat) fNullBrush = !DC_SetupGCForPatBlt( dcDst, tmpGC, TRUE );
1173 else fNullBrush = FALSE;
1174 destUsed = FALSE;
1175
1176 for (opcode = BITBLT_Opcodes[(rop >> 16) & 0xff]; *opcode; opcode++)
1177 {
1178 if (OP_DST(*opcode) == DST) destUsed = TRUE;
1179 XSetFunction( display, tmpGC, OP_ROP(*opcode) );
1180 switch(OP_SRCDST(*opcode))
1181 {
1182 case OP_ARGS(DST,TMP):
1183 case OP_ARGS(SRC,TMP):
1184 if (!pixmaps[TMP])
1185 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1186 width, height,
1187 dcDst->w.bitsPerPixel );
1188 /* fall through */
1189 case OP_ARGS(DST,SRC):
1190 case OP_ARGS(SRC,DST):
1191 case OP_ARGS(TMP,SRC):
1192 case OP_ARGS(TMP,DST):
1193 XCopyArea( display, pixmaps[OP_SRC(*opcode)],
1194 pixmaps[OP_DST(*opcode)], tmpGC,
1195 0, 0, width, height, 0, 0 );
1196 break;
1197
1198 case OP_ARGS(PAT,TMP):
1199 if (!pixmaps[TMP] && !fNullBrush)
1200 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1201 width, height,
1202 dcDst->w.bitsPerPixel );
1203 /* fall through */
1204 case OP_ARGS(PAT,DST):
1205 case OP_ARGS(PAT,SRC):
1206 if (!fNullBrush)
1207 XFillRectangle( display, pixmaps[OP_DST(*opcode)],
1208 tmpGC, 0, 0, width, height );
1209 break;
1210 }
1211 }
1212 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1213 BITBLT_PutDstArea( dcDst, pixmaps[destUsed ? DST : SRC],
1214 dcDst->u.x.gc, &visRectDst );
1215 XFreePixmap( display, pixmaps[DST] );
1216 if (pixmaps[SRC]) XFreePixmap( display, pixmaps[SRC] );
1217 if (pixmaps[TMP]) XFreePixmap( display, pixmaps[TMP] );
1218 XFreeGC( display, tmpGC );
1219 return TRUE;
1220 }
1221
1222
1223 /***********************************************************************
1224 * PatBlt (GDI.29)
1225 */
1226 BOOL PatBlt( HDC hdc, short left, short top,
1227 short width, short height, DWORD rop)
1228 {
1229 DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1230 if (!dc)
1231 {
1232 dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
1233 if (!dc) return FALSE;
1234 MF_MetaParam6(dc, META_PATBLT, left, top, width, height,
1235 HIWORD(rop), LOWORD(rop));
1236 return TRUE;
1237 }
1238
1239 dprintf_bitblt(stddeb, "PatBlt: "NPFMT" %d,%d %dx%d %06lx\n",
1240 hdc, left, top, width, height, rop );
1241
1242 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1243 dc, left, top, width, height,
1244 NULL, 0, 0, 0, 0, rop );
1245 }
1246
1247
1248 /***********************************************************************
1249 * BitBlt (GDI.34)
1250 */
1251 BOOL BitBlt( HDC hdcDst, short xDst, short yDst, short width, short height,
1252 HDC hdcSrc, short xSrc, short ySrc, DWORD rop )
1253 {
1254 DC *dcDst, *dcSrc;
1255
1256 if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, DC_MAGIC )))
1257 {
1258 dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC );
1259 if (!dcDst) return FALSE;
1260 return MF_BitBlt( dcDst, xDst, yDst, width, height,
1261 hdcSrc, xSrc, ySrc, rop );
1262 }
1263 dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC );
1264
1265 dprintf_bitblt(stddeb,
1266 "BitBlt: "NPFMT" %d,%d %d bpp -> "NPFMT" %d,%d %dx%dx%d rop=%06lx\n",
1267 hdcSrc, xSrc, ySrc, dcSrc ? dcSrc->w.bitsPerPixel : 0,
1268 hdcDst, xDst, yDst, width, height, dcDst->w.bitsPerPixel, rop);
1269
1270 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1271 dcDst, xDst, yDst, width, height,
1272 dcSrc, xSrc, ySrc, width, height, rop );
1273 }
1274
1275
1276 /***********************************************************************
1277 * StretchBlt (GDI.35)
1278 */
1279 BOOL StretchBlt( HDC hdcDst, short xDst, short yDst,
1280 short widthDst, short heightDst,
1281 HDC hdcSrc, short xSrc, short ySrc,
1282 short widthSrc, short heightSrc, DWORD rop )
1283 {
1284 DC *dcDst, *dcSrc;
1285
1286 if (!(dcDst = (DC *) GDI_GetObjPtr( hdcDst, DC_MAGIC )))
1287 {
1288 if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC )))
1289 return FALSE;
1290 return MF_StretchBlt( dcDst, xDst, yDst, widthDst, heightDst,
1291 hdcSrc, xSrc, ySrc, widthSrc, heightSrc, rop );
1292 }
1293
1294 dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC );
1295 dprintf_bitblt(stddeb,
1296 "StretchBlt: "NPFMT" %d,%d %dx%dx%d -> "NPFMT" %d,%d %dx%dx%d rop=%06lx\n",
1297 hdcSrc, xSrc, ySrc, widthSrc, heightSrc,
1298 dcSrc ? dcSrc->w.bitsPerPixel : 0, hdcDst, xDst, yDst,
1299 widthDst, heightDst, dcDst->w.bitsPerPixel, rop );
1300
1301 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1302 dcDst, xDst, yDst, widthDst, heightDst,
1303 dcSrc, xSrc, ySrc, widthSrc, heightSrc, rop );
1304 }
1305 /***********************************************************************
1306 * FastWindowFrame (GDI.400)
1307 */
1308 WORD
1309 FastWindowFrame(WORD x1,DWORD x2,WORD x3,WORD x4,DWORD x5) {
1310 dprintf_gdi(stdnimp,"FastWindowFrame (%04x, %08lx, %04x, %04x, %08lx) // unimplemented!\n",x1,x2,x3,x4,x5);
1311 return 0xFFFF; /* failed? */
1312 }
Maarten's multimedia branch