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Release 961023
[wine/multimedia.git] / objects / bitblt.c
blob1bf865778a9200f7dac2fcb6dd3409321189fe89
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 #include "xmalloc.h"
21
22
23 #define DST 0 /* Destination drawable */
24 #define SRC 1 /* Source drawable */
25 #define TMP 2 /* Temporary drawable */
26 #define PAT 3 /* Pattern (brush) in destination DC */
27
28 #define OP(src,dst,rop) (OP_ARGS(src,dst) << 4 | (rop))
29 #define OP_ARGS(src,dst) (((src) << 2) | (dst))
30
31 #define OP_SRC(opcode) ((opcode) >> 6)
32 #define OP_DST(opcode) (((opcode) >> 4) & 3)
33 #define OP_SRCDST(opcode) ((opcode) >> 4)
34 #define OP_ROP(opcode) ((opcode) & 0x0f)
35
36 #define MAX_OP_LEN 6 /* Longest opcode + 1 for the terminating 0 */
37
38 extern void CLIPPING_UpdateGCRegion(DC* );
39
40 static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] =
41 {
42 { OP(PAT,DST,GXclear) }, /* 0x00 0 */
43 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnor) }, /* 0x01 ~(D|(P|S)) */
44 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXand) }, /* 0x02 D&~(P|S) */
45 { OP(PAT,SRC,GXnor) }, /* 0x03 ~(P|S) */
46 { OP(PAT,DST,GXnor), OP(SRC,DST,GXand) }, /* 0x04 S&~(D|P) */
47 { OP(PAT,DST,GXnor) }, /* 0x05 ~(D|P) */
48 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnor), }, /* 0x06 ~(P|~(D^S)) */
49 { OP(SRC,DST,GXand), OP(PAT,DST,GXnor) }, /* 0x07 ~(P|(D&S)) */
50 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXand) },/* 0x08 S&D&~P */
51 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnor) }, /* 0x09 ~(P|(D^S)) */
52 { OP(PAT,DST,GXandInverted) }, /* 0x0a D&~P */
53 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXnor) }, /* 0x0b ~(P|(S&~D)) */
54 { OP(PAT,SRC,GXandInverted) }, /* 0x0c S&~P */
55 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXnor) },/* 0x0d ~(P|(D&~S)) */
56 { OP(SRC,DST,GXnor), OP(PAT,DST,GXnor) }, /* 0x0e ~(P|~(D|S)) */
57 { OP(PAT,DST,GXcopyInverted) }, /* 0x0f ~P */
58 { OP(SRC,DST,GXnor), OP(PAT,DST,GXand) }, /* 0x10 P&~(S|D) */
59 { OP(SRC,DST,GXnor) }, /* 0x11 ~(D|S) */
60 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnor) }, /* 0x12 ~(S|~(D^P)) */
61 { OP(PAT,DST,GXand), OP(SRC,DST,GXnor) }, /* 0x13 ~(S|(D&P)) */
62 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnor) }, /* 0x14 ~(D|~(P^S)) */
63 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnor) }, /* 0x15 ~(D|(P&S)) */
64 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
65 OP(TMP,DST,GXand), OP(SRC,DST,GXxor),
66 OP(PAT,DST,GXxor) }, /* 0x16 P^S^(D&~(P&S) */
67 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
68 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
69 OP(TMP,DST,GXequiv) }, /* 0x17 ~S^((S^P)&(S^D))*/
70 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
71 OP(SRC,DST,GXand) }, /* 0x18 (S^P)&(D^P) */
72 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
73 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x19 ~S^(D&~(P&S)) */
74 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
75 OP(PAT,DST,GXxor) }, /* 0x1a P^(D|(S&P)) */
76 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXxor),
77 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x1b ~S^(D&(P^S)) */
78 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
79 OP(PAT,DST,GXxor) }, /* 0x1c P^(S|(D&P)) */
80 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
81 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1d ~D^(S&(D^P)) */
82 { OP(SRC,DST,GXor), OP(PAT,DST,GXxor) }, /* 0x1e P^(D|S) */
83 { OP(SRC,DST,GXor), OP(PAT,DST,GXnand) }, /* 0x1f ~(P&(D|S)) */
84 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXand) }, /* 0x20 D&(P&~S) */
85 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnor) }, /* 0x21 ~(S|(D^P)) */
86 { OP(SRC,DST,GXandInverted) }, /* 0x22 ~S&D */
87 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x23 ~(S|(P&~D)) */
88 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
89 OP(SRC,DST,GXand) }, /* 0x24 (S^P)&(S^D) */
90 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand),
91 OP(PAT,DST,GXequiv) }, /* 0x25 ~P^(D&~(S&P)) */
92 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
93 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x26 S^(D|(S&P)) */
94 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXequiv),
95 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x27 S^(D|~(P^S)) */
96 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand) }, /* 0x28 D&(P^S) */
97 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
98 OP(TMP,DST,GXor), OP(SRC,DST,GXxor),
99 OP(PAT,DST,GXequiv) }, /* 0x29 ~P^S^(D|(P&S)) */
100 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand) }, /* 0x2a D&~(P&S) */
101 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
102 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
103 OP(TMP,DST,GXequiv) }, /* 0x2b ~S^((P^S)&(P^D))*/
104 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
105 OP(SRC,DST,GXxor) }, /* 0x2c S^(P&(S|D)) */
106 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXxor) }, /* 0x2d P^(S|~D) */
107 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
108 OP(PAT,DST,GXxor) }, /* 0x2e P^(S|(D^P)) */
109 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXnand) }, /* 0x2f ~(P&(S|~D)) */
110 { OP(PAT,SRC,GXandReverse) }, /* 0x30 P&~S */
111 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXnor) },/* 0x31 ~(S|(D&~P)) */
112 { OP(SRC,DST,GXor), OP(PAT,DST,GXor),
113 OP(SRC,DST,GXxor) }, /* 0x32 S^(D|P|S) */
114 { OP(SRC,DST,GXcopyInverted) }, /* 0x33 ~S */
115 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
116 OP(SRC,DST,GXxor) }, /* 0x34 S^(P|(D&S)) */
117 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor),
118 OP(SRC,DST,GXxor) }, /* 0x35 S^(P|~(D^S)) */
119 { OP(PAT,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x36 S^(D|P) */
120 { OP(PAT,DST,GXor), OP(SRC,DST,GXnand) }, /* 0x37 ~(S&(D|P)) */
121 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
122 OP(PAT,DST,GXxor) }, /* 0x38 P^(S&(D|P)) */
123 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x39 S^(P|~D) */
124 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
125 OP(SRC,DST,GXxor) }, /* 0x3a S^(P|(D^S)) */
126 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x3b ~(S&(P|~D)) */
127 { OP(PAT,SRC,GXxor) }, /* 0x3c P^S */
128 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
129 OP(SRC,DST,GXxor) }, /* 0x3d S^(P|~(D|S)) */
130 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
131 OP(SRC,DST,GXxor) }, /* 0x3e S^(P|(D&~S)) */
132 { OP(PAT,SRC,GXnand) }, /* 0x3f ~(P&S) */
133 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXand) }, /* 0x40 P&S&~D */
134 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnor) }, /* 0x41 ~(D|(P^S)) */
135 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
136 OP(SRC,DST,GXand) }, /* 0x42 (S^D)&(P^D) */
137 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
138 OP(SRC,DST,GXequiv) }, /* 0x43 ~S^(P&~(D&S)) */
139 { OP(SRC,DST,GXandReverse) }, /* 0x44 S&~D */
140 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x45 ~(D|(P&~S)) */
141 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
142 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x46 D^(S|(P&D)) */
143 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
144 OP(PAT,DST,GXequiv) }, /* 0x47 ~P^(S&(D^P)) */
145 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand) }, /* 0x48 S&(P^D) */
146 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
147 OP(SRC,DST,GXor), OP(TMP,DST,GXxor),
148 OP(PAT,DST,GXequiv) }, /* 0x49 ~P^D^(S|(P&D)) */
149 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
150 OP(SRC,DST,GXxor) }, /* 0x4a D^(P&(S|D)) */
151 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXxor) }, /* 0x4b P^(D|~S) */
152 { OP(PAT,DST,GXnand), OP(SRC,DST,GXand) }, /* 0x4c S&~(D&P) */
153 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
154 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
155 OP(TMP,DST,GXequiv) }, /* 0x4d ~S^((S^P)|(S^D))*/
156 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
157 OP(PAT,DST,GXxor) }, /* 0x4e P^(D|(S^P)) */
158 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXnand) },/* 0x4f ~(P&(D|~S)) */
159 { OP(PAT,DST,GXandReverse) }, /* 0x50 P&~D */
160 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXnor) },/* 0x51 ~(D|(S&~P)) */
161 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
162 OP(SRC,DST,GXxor) }, /* 0x52 D^(P|(S&D)) */
163 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
164 OP(SRC,DST,GXequiv) }, /* 0x53 ~S^(P&(D^S)) */
165 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXnor) }, /* 0x54 ~(D|~(P|S)) */
166 { OP(PAT,DST,GXinvert) }, /* 0x55 ~D */
167 { OP(PAT,SRC,GXor), OP(SRC,DST,GXxor) }, /* 0x56 D^(P|S) */
168 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnand) }, /* 0x57 ~(D&(P|S)) */
169 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
170 OP(PAT,DST,GXxor) }, /* 0x58 P^(D&(P|S)) */
171 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x59 D^(P|~S) */
172 { OP(PAT,DST,GXxor) }, /* 0x5a D^P */
173 { OP(DST,SRC,GXnor), OP(PAT,SRC,GXor),
174 OP(SRC,DST,GXxor) }, /* 0x5b D^(P|~(S|D)) */
175 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
176 OP(SRC,DST,GXxor) }, /* 0x5c D^(P|(S^D)) */
177 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x5d ~(D&(P|~S)) */
178 { OP(DST,SRC,GXandInverted), OP(PAT,SRC,GXor),
179 OP(SRC,DST,GXxor) }, /* 0x5e D^(P|(S&~D)) */
180 { OP(PAT,DST,GXnand) }, /* 0x5f ~(D&P) */
181 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand) }, /* 0x60 P&(D^S) */
182 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
183 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
184 OP(TMP,DST,GXequiv) }, /* 0x61 ~D^S^(P|(D&S)) */
185 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
186 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x62 D^(S&(P|D)) */
187 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x63 S^(D|~P) */
188 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
189 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x64 S^(D&(P|S)) */
190 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x65 D^(S|~P) */
191 { OP(SRC,DST,GXxor) }, /* 0x66 S^D */
192 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
193 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x67 S^(D|~(S|P) */
194 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnor),
195 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
196 OP(TMP,DST,GXequiv) }, /* 0x68 ~D^S^(P|~(D|S))*/
197 { OP(SRC,DST,GXxor), OP(PAT,DST,GXequiv) }, /* 0x69 ~P^(D^S) */
198 { OP(PAT,SRC,GXand), OP(SRC,DST,GXxor) }, /* 0x6a D^(P&S) */
199 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
200 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
201 OP(PAT,DST,GXequiv) }, /* 0x6b ~P^S^(D&(P|S)) */
202 { OP(PAT,DST,GXand), OP(SRC,DST,GXxor) }, /* 0x6c S^(D&P) */
203 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
204 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
205 OP(PAT,DST,GXequiv) }, /* 0x6d ~P^D^(S&(P|D)) */
206 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
207 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x6e S^(D&(P|~S)) */
208 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnand) }, /* 0x6f ~(P&~(S^D)) */
209 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand) }, /* 0x70 P&~(D&S) */
210 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
211 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
212 OP(TMP,DST,GXequiv) }, /* 0x71 ~S^((S^D)&(P^D))*/
213 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
214 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x72 S^(D|(P^S)) */
215 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXnand) },/* 0x73 ~(S&(D|~P)) */
216 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
217 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x74 D^(S|(P^D)) */
218 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXnand) },/* 0x75 ~(D&(S|~P)) */
219 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
220 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x76 S^(D|(P&~S)) */
221 { OP(SRC,DST,GXnand) }, /* 0x77 ~(S&D) */
222 { OP(SRC,DST,GXand), OP(PAT,DST,GXxor) }, /* 0x78 P^(D&S) */
223 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
224 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
225 OP(TMP,DST,GXequiv) }, /* 0x79 ~D^S^(P&(D|S)) */
226 { OP(DST,SRC,GXorInverted), OP(PAT,SRC,GXand),
227 OP(SRC,DST,GXxor) }, /* 0x7a D^(P&(S|~D)) */
228 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7b ~(S&~(D^P)) */
229 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
230 OP(SRC,DST,GXxor) }, /* 0x7c S^(P&(D|~S)) */
231 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7d ~(D&~(P^S)) */
232 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
233 OP(SRC,DST,GXor) }, /* 0x7e (S^P)|(S^D) */
234 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnand) }, /* 0x7f ~(D&P&S) */
235 { OP(PAT,SRC,GXand), OP(SRC,DST,GXand) }, /* 0x80 D&P&S */
236 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
237 OP(SRC,DST,GXnor) }, /* 0x81 ~((S^P)|(S^D)) */
238 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXand) }, /* 0x82 D&~(P^S) */
239 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
240 OP(SRC,DST,GXequiv) }, /* 0x83 ~S^(P&(D|~S)) */
241 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXand) }, /* 0x84 S&~(D^P) */
242 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand),
243 OP(PAT,DST,GXequiv) }, /* 0x85 ~P^(D&(S|~P)) */
244 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
245 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
246 OP(TMP,DST,GXxor) }, /* 0x86 D^S^(P&(D|S)) */
247 { OP(SRC,DST,GXand), OP(PAT,DST,GXequiv) }, /* 0x87 ~P^(D&S) */
248 { OP(SRC,DST,GXand) }, /* 0x88 S&D */
249 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
250 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x89 ~S^(D|(P&~S)) */
251 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8a D&(S|~P) */
252 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
253 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8b ~D^(S|(P^D)) */
254 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8c S&(D|~P) */
255 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
256 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8d ~S^(D|(P^S)) */
257 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
258 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
259 OP(TMP,DST,GXxor) }, /* 0x8e S^((S^D)&(P^D))*/
260 { OP(SRC,DST,GXnand), OP(PAT,DST,GXnand) }, /* 0x8f ~(P&~(D&S)) */
261 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXand) }, /* 0x90 P&~(D^S) */
262 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
263 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x91 ~S^(D&(P|~S)) */
264 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
265 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
266 OP(TMP,DST,GXxor) }, /* 0x92 D^P^(S&(D|P)) */
267 { OP(PAT,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x93 ~S^(P&D) */
268 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
269 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
270 OP(TMP,DST,GXxor) }, /* 0x94 S^P^(D&(P|S)) */
271 { OP(PAT,SRC,GXand), OP(SRC,DST,GXequiv) }, /* 0x95 ~D^(P&S) */
272 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXxor) }, /* 0x96 D^P^S */
273 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
274 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
275 OP(TMP,DST,GXxor) }, /* 0x97 S^P^(D|~(P|S)) */
276 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
277 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x98 ~S^(D|~(P|S)) */
278 { OP(SRC,DST,GXequiv) }, /* 0x99 ~S^D */
279 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9a D^(P&~S) */
280 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
281 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9b ~S^(D&(P|S)) */
282 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9c S^(P&~D) */
283 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
284 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9d ~D^(S&(P|D)) */
285 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
286 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
287 OP(TMP,DST,GXxor) }, /* 0x9e D^S^(P|(D&S)) */
288 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnand) }, /* 0x9f ~(P&(D^S)) */
289 { OP(PAT,DST,GXand) }, /* 0xa0 D&P */
290 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor),
291 OP(PAT,DST,GXequiv) }, /* 0xa1 ~P^(D|(S&~P)) */
292 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXand) }, /* 0xa2 D&(P|~S) */
293 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
294 OP(SRC,DST,GXequiv) }, /* 0xa3 ~D^(P|(S^D)) */
295 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor),
296 OP(PAT,DST,GXequiv) }, /* 0xa4 ~P^(D|~(S|P)) */
297 { OP(PAT,DST,GXequiv) }, /* 0xa5 ~P^D */
298 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXxor) },/* 0xa6 D^(S&~P) */
299 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
300 OP(PAT,DST,GXequiv) }, /* 0xa7 ~P^(D&(S|P)) */
301 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand) }, /* 0xa8 D&(P|S) */
302 { OP(PAT,SRC,GXor), OP(SRC,DST,GXequiv) }, /* 0xa9 ~D^(P|S) */
303 { OP(SRC,DST,GXnoop) }, /* 0xaa D */
304 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor) }, /* 0xab D|~(P|S) */
305 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
306 OP(SRC,DST,GXxor) }, /* 0xac S^(P&(D^S)) */
307 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
308 OP(SRC,DST,GXequiv) }, /* 0xad ~D^(P|(S&D)) */
309 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor) }, /* 0xae D|(S&~P) */
310 { OP(PAT,DST,GXorInverted) }, /* 0xaf D|~P */
311 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand) }, /* 0xb0 P&(D|~S) */
312 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
313 OP(PAT,DST,GXequiv) }, /* 0xb1 ~P^(D|(S^P)) */
314 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
315 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
316 OP(TMP,DST,GXxor) }, /* 0xb2 S^((S^P)|(S^D))*/
317 { OP(PAT,DST,GXnand), OP(SRC,DST,GXnand) }, /* 0xb3 ~(S&~(D&P)) */
318 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXxor) }, /* 0xb4 P^(S&~D) */
319 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
320 OP(SRC,DST,GXequiv) }, /* 0xb5 ~D^(P&(S|D)) */
321 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
322 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
323 OP(TMP,DST,GXxor) }, /* 0xb6 D^P^(S|(D&P)) */
324 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnand) }, /* 0xb7 ~(S&(D^P)) */
325 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
326 OP(PAT,DST,GXxor) }, /* 0xb8 P^(S&(D^P)) */
327 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
328 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xb9 ~D^(S|(P&D)) */
329 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXor) }, /* 0xba D|(P&~S) */
330 { OP(SRC,DST,GXorInverted) }, /* 0xbb ~S|D */
331 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
332 OP(SRC,DST,GXxor) }, /* 0xbc S^(P&~(D&S)) */
333 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
334 OP(SRC,DST,GXnand) }, /* 0xbd ~((S^D)&(P^D)) */
335 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor) }, /* 0xbe D|(P^S) */
336 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXor) }, /* 0xbf D|~(P&S) */
337 { OP(PAT,SRC,GXand) }, /* 0xc0 P&S */
338 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
339 OP(SRC,DST,GXequiv) }, /* 0xc1 ~S^(P|(D&~S)) */
340 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
341 OP(SRC,DST,GXequiv) }, /* 0xc2 ~S^(P|~(D|S)) */
342 { OP(PAT,SRC,GXequiv) }, /* 0xc3 ~P^S */
343 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXand) }, /* 0xc4 S&(P|~D) */
344 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
345 OP(SRC,DST,GXequiv) }, /* 0xc5 ~S^(P|(D^S)) */
346 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXxor) },/* 0xc6 S^(D&~P) */
347 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
348 OP(PAT,DST,GXequiv) }, /* 0xc7 ~P^(S&(D|P)) */
349 { OP(PAT,DST,GXor), OP(SRC,DST,GXand) }, /* 0xc8 S&(D|P) */
350 { OP(PAT,DST,GXor), OP(SRC,DST,GXequiv) }, /* 0xc9 ~S^(P|D) */
351 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXand),
352 OP(SRC,DST,GXxor) }, /* 0xca D^(P&(S^D)) */
353 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
354 OP(SRC,DST,GXequiv) }, /* 0xcb ~S^(P|(D&S)) */
355 { OP(SRC,DST,GXcopy) }, /* 0xcc S */
356 { OP(PAT,DST,GXnor), OP(SRC,DST,GXor) }, /* 0xcd S|~(D|P) */
357 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXor) }, /* 0xce S|(D&~P) */
358 { OP(PAT,SRC,GXorInverted) }, /* 0xcf S|~P */
359 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXand) }, /* 0xd0 P&(S|~D) */
360 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
361 OP(PAT,DST,GXequiv) }, /* 0xd1 ~P^(S|(D^P)) */
362 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXxor) },/* 0xd2 P^(D&~S) */
363 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
364 OP(SRC,DST,GXequiv) }, /* 0xd3 ~S^(P&(D|S)) */
365 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
366 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
367 OP(TMP,DST,GXxor) }, /* 0xd4 S^((S^P)&(D^P))*/
368 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXnand) }, /* 0xd5 ~(D&~(P&S)) */
369 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
370 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
371 OP(TMP,DST,GXxor) }, /* 0xd6 S^P^(D|(P&S)) */
372 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnand) }, /* 0xd7 ~(D&(P^S)) */
373 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
374 OP(PAT,DST,GXxor) }, /* 0xd8 P^(D&(S^P)) */
375 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
376 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xd9 ~S^(D|(P&S)) */
377 { OP(DST,SRC,GXnand), OP(PAT,SRC,GXand),
378 OP(SRC,DST,GXxor) }, /* 0xda D^(P&~(S&D)) */
379 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
380 OP(SRC,DST,GXnand) }, /* 0xdb ~((S^P)&(S^D)) */
381 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXor) }, /* 0xdc S|(P&~D) */
382 { OP(SRC,DST,GXorReverse) }, /* 0xdd S|~D */
383 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor) }, /* 0xde S|(D^P) */
384 { OP(PAT,DST,GXnand), OP(SRC,DST,GXor) }, /* 0xdf S|~(D&P) */
385 { OP(SRC,DST,GXor), OP(PAT,DST,GXand) }, /* 0xe0 P&(D|S) */
386 { OP(SRC,DST,GXor), OP(PAT,DST,GXequiv) }, /* 0xe1 ~P^(D|S) */
387 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
388 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe2 D^(S&(P^D)) */
389 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
390 OP(PAT,DST,GXequiv) }, /* 0xe3 ~P^(S|(D&P)) */
391 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
392 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe4 S^(D&(P^S)) */
393 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
394 OP(PAT,DST,GXequiv) }, /* 0xe5 ~P^(D|(S&P)) */
395 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
396 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe6 S^(D&~(P&S)) */
397 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
398 OP(SRC,DST,GXnand) }, /* 0xe7 ~((S^P)&(D^P)) */
399 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
400 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
401 OP(TMP,DST,GXxor) }, /* 0xe8 S^((S^P)&(S^D))*/
402 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnand),
403 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
404 OP(TMP,DST,GXequiv) }, /* 0xe9 ~D^S^(P&~(S&D))*/
405 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor) }, /* 0xea D|(P&S) */
406 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXor) }, /* 0xeb D|~(P^S) */
407 { OP(PAT,DST,GXand), OP(SRC,DST,GXor) }, /* 0xec S|(D&P) */
408 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXor) }, /* 0xed S|~(D^P) */
409 { OP(SRC,DST,GXor) }, /* 0xee S|D */
410 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXor) }, /* 0xef S|D|~P */
411 { OP(PAT,DST,GXcopy) }, /* 0xf0 P */
412 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor) }, /* 0xf1 P|~(D|S) */
413 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor) }, /* 0xf2 P|(D&~S) */
414 { OP(PAT,SRC,GXorReverse) }, /* 0xf3 P|~S */
415 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXor) }, /* 0xf4 P|(S&~D) */
416 { OP(PAT,DST,GXorReverse) }, /* 0xf5 P|~D */
417 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor) }, /* 0xf6 P|(D^S) */
418 { OP(SRC,DST,GXnand), OP(PAT,DST,GXor) }, /* 0xf7 P|~(S&D) */
419 { OP(SRC,DST,GXand), OP(PAT,DST,GXor) }, /* 0xf8 P|(D&S) */
420 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor) }, /* 0xf9 P|~(D^S) */
421 { OP(PAT,DST,GXor) }, /* 0xfa D|P */
422 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXor) }, /* 0xfb D|P|~S */
423 { OP(PAT,SRC,GXor) }, /* 0xfc P|S */
424 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXor) }, /* 0xfd P|S|~D */
425 { OP(SRC,DST,GXor), OP(PAT,DST,GXor) }, /* 0xfe P|D|S */
426 { OP(PAT,DST,GXset) } /* 0xff 1 */
427 };
428
429
430 #ifdef BITBLT_TEST /* Opcodes test */
431
432 static int do_bitop( int s, int d, int rop )
433 {
434 int res;
435 switch(rop)
436 {
437 case GXclear: res = 0; break;
438 case GXand: res = s & d; break;
439 case GXandReverse: res = s & ~d; break;
440 case GXcopy: res = s; break;
441 case GXandInverted: res = ~s & d; break;
442 case GXnoop: res = d; break;
443 case GXxor: res = s ^ d; break;
444 case GXor: res = s | d; break;
445 case GXnor: res = ~(s | d); break;
446 case GXequiv: res = ~s ^ d; break;
447 case GXinvert: res = ~d; break;
448 case GXorReverse: res = s | ~d; break;
449 case GXcopyInverted: res = ~s; break;
450 case GXorInverted: res = ~s | d; break;
451 case GXnand: res = ~(s & d); break;
452 case GXset: res = 1; break;
453 }
454 return res & 1;
455 }
456
457 main()
458 {
459 int rop, i, res, src, dst, pat, tmp, dstUsed;
460 const BYTE *opcode;
461
462 for (rop = 0; rop < 256; rop++)
463 {
464 res = dstUsed = 0;
465 for (i = 0; i < 8; i++)
466 {
467 pat = (i >> 2) & 1;
468 src = (i >> 1) & 1;
469 dst = i & 1;
470 for (opcode = BITBLT_Opcodes[rop]; *opcode; opcode++)
471 {
472 switch(*opcode >> 4)
473 {
474 case OP_ARGS(DST,TMP):
475 tmp = do_bitop( dst, tmp, *opcode & 0xf );
476 break;
477 case OP_ARGS(DST,SRC):
478 src = do_bitop( dst, src, *opcode & 0xf );
479 break;
480 case OP_ARGS(SRC,TMP):
481 tmp = do_bitop( src, tmp, *opcode & 0xf );
482 break;
483 case OP_ARGS(SRC,DST):
484 dst = do_bitop( src, dst, *opcode & 0xf );
485 dstUsed = 1;
486 break;
487 case OP_ARGS(PAT,TMP):
488 tmp = do_bitop( pat, tmp, *opcode & 0xf );
489 break;
490 case OP_ARGS(PAT,DST):
491 dst = do_bitop( pat, dst, *opcode & 0xf );
492 dstUsed = 1;
493 break;
494 case OP_ARGS(PAT,SRC):
495 src = do_bitop( pat, src, *opcode & 0xf );
496 break;
497 case OP_ARGS(TMP,DST):
498 dst = do_bitop( tmp, dst, *opcode & 0xf );
499 dstUsed = 1;
500 break;
501 case OP_ARGS(TMP,SRC):
502 src = do_bitop( tmp, src, *opcode & 0xf );
503 break;
504 default:
505 printf( "Invalid opcode %x\n", *opcode );
506 }
507 }
508 if (!dstUsed) dst = src;
509 if (dst) res |= 1 << i;
510 }
511 if (res != rop) printf( "%02x: ERROR, res=%02x\n", rop, res );
512 }
513 }
514
515 #endif /* BITBLT_TEST */
516
517
518 /***********************************************************************
519 * BITBLT_StretchRow
520 *
521 * Stretch a row of pixels. Helper function for BITBLT_StretchImage.
522 */
523 static void BITBLT_StretchRow( int *rowSrc, int *rowDst,
524 short startDst, short widthDst,
525 int xinc, WORD mode )
526 {
527 register int xsrc = xinc * startDst;
528 rowDst += startDst;
529 switch(mode)
530 {
531 case STRETCH_ANDSCANS:
532 for(; widthDst > 0; widthDst--, xsrc += xinc)
533 *rowDst++ &= rowSrc[xsrc >> 16];
534 break;
535 case STRETCH_ORSCANS:
536 for(; widthDst > 0; widthDst--, xsrc += xinc)
537 *rowDst++ |= rowSrc[xsrc >> 16];
538 break;
539 case STRETCH_DELETESCANS:
540 for(; widthDst > 0; widthDst--, xsrc += xinc)
541 *rowDst++ = rowSrc[xsrc >> 16];
542 break;
543 }
544 }
545
546
547 /***********************************************************************
548 * BITBLT_ShrinkRow
549 *
550 * Shrink a row of pixels. Helper function for BITBLT_StretchImage.
551 */
552 static void BITBLT_ShrinkRow( int *rowSrc, int *rowDst,
553 short startSrc, short widthSrc,
554 int xinc, WORD mode )
555 {
556 register int xdst = xinc * startSrc;
557 rowSrc += startSrc;
558 switch(mode)
559 {
560 case STRETCH_ORSCANS:
561 for(; widthSrc > 0; widthSrc--, xdst += xinc)
562 rowDst[xdst >> 16] |= *rowSrc++;
563 break;
564 case STRETCH_ANDSCANS:
565 for(; widthSrc > 0; widthSrc--, xdst += xinc)
566 rowDst[xdst >> 16] &= *rowSrc++;
567 break;
568 case STRETCH_DELETESCANS:
569 for(; widthSrc > 0; widthSrc--, xdst += xinc)
570 rowDst[xdst >> 16] = *rowSrc++;
571 break;
572 }
573 }
574
575
576 /***********************************************************************
577 * BITBLT_GetRow
578 *
579 * Retrieve a row from an image. Helper function for BITBLT_StretchImage.
580 */
581 static void BITBLT_GetRow( XImage *image, int *pdata, short row,
582 short start, short width, short depthDst,
583 int fg, int bg, BOOL swap)
584 {
585 register short i;
586
587 pdata += swap ? start+width-1 : start;
588 if (image->depth == depthDst) /* color -> color */
589 {
590 if (COLOR_PixelToPalette && (depthDst != 1))
591 if (swap) for (i = 0; i < width; i++)
592 *pdata-- = COLOR_PixelToPalette[XGetPixel( image, i, row )];
593 else for (i = 0; i < width; i++)
594 *pdata++ = COLOR_PixelToPalette[XGetPixel( image, i, row )];
595 else
596 if (swap) for (i = 0; i < width; i++)
597 *pdata-- = XGetPixel( image, i, row );
598 else for (i = 0; i < width; i++)
599 *pdata++ = XGetPixel( image, i, row );
600 }
601 else
602 {
603 if (image->depth == 1) /* monochrome -> color */
604 {
605 if (COLOR_PixelToPalette)
606 {
607 fg = COLOR_PixelToPalette[fg];
608 bg = COLOR_PixelToPalette[bg];
609 }
610 if (swap) for (i = 0; i < width; i++)
611 *pdata-- = XGetPixel( image, i, row ) ? bg : fg;
612 else for (i = 0; i < width; i++)
613 *pdata++ = XGetPixel( image, i, row ) ? bg : fg;
614 }
615 else /* color -> monochrome */
616 {
617 if (swap) for (i = 0; i < width; i++)
618 *pdata-- = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
619 else for (i = 0; i < width; i++)
620 *pdata++ = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
621 }
622 }
623 }
624
625
626 /***********************************************************************
627 * BITBLT_StretchImage
628 *
629 * Stretch an X image.
630 */
631 static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage,
632 short widthSrc, short heightSrc,
633 short widthDst, short heightDst,
634 RECT16 *visRectSrc, RECT16 *visRectDst,
635 int foreground, int background, WORD mode )
636 {
637 int *rowSrc, *rowDst, *pixel;
638 int xinc, yinc, ysrc, ydst;
639 register short x, y;
640 BOOL hstretch, vstretch, hswap, vswap;
641
642 hswap = ((int)widthSrc * widthDst) < 0;
643 vswap = ((int)heightSrc * heightDst) < 0;
644 widthSrc = abs(widthSrc);
645 heightSrc = abs(heightSrc);
646 widthDst = abs(widthDst);
647 heightDst = abs(heightDst);
648
649 dprintf_bitblt( stddeb, "BITBLT_StretchImage: %dx%d -> %dx%d (mode=%d,h=%d,v=%d)\n",
650 widthSrc, heightSrc, widthDst, heightDst, mode, hswap, vswap );
651
652 if (!(rowSrc = (int *)malloc( (widthSrc+widthDst)*sizeof(int) ))) return;
653 rowDst = rowSrc + widthSrc;
654
655 /* When stretching, all modes are the same, and DELETESCANS is faster */
656 if ((widthSrc < widthDst) && (heightSrc < heightDst))
657 mode = STRETCH_DELETESCANS;
658
659 if (mode != STRETCH_DELETESCANS)
660 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
661 widthDst*sizeof(int) );
662
663 hstretch = (widthSrc < widthDst);
664 vstretch = (heightSrc < heightDst);
665
666 xinc = hstretch ? ((int)widthSrc << 16) / widthDst :
667 ((int)widthDst << 16) / widthSrc;
668
669 if (vstretch)
670 {
671 yinc = ((int)heightSrc << 16) / heightDst;
672 ydst = visRectDst->top;
673 ysrc = yinc * ydst + (vswap ? heightSrc<<16 : 0);
674 }
675 else
676 {
677 yinc = ((int)heightDst << 16) / heightSrc;
678 ysrc = visRectSrc->top;
679 ydst = yinc * ysrc - (vswap ? (heightDst-1)<<16 : 0);
680 }
681
682 while(vstretch ? (ydst < visRectDst->bottom) : (ysrc < visRectSrc->bottom))
683 {
684 /* Retrieve a source row */
685 BITBLT_GetRow( srcImage, rowSrc, vstretch ? ysrc >> 16 : ysrc,
686 visRectSrc->left, visRectSrc->right - visRectSrc->left,
687 dstImage->depth, foreground, background, hswap );
688
689 /* Stretch or shrink it */
690 if (hstretch)
691 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left +
692 (hswap ? widthDst : 0),
693 visRectDst->right-visRectDst->left, xinc, mode);
694 else BITBLT_ShrinkRow( rowSrc, rowDst, visRectSrc->left,
695 visRectSrc->right-visRectSrc->left, xinc, mode);
696
697 /* When shrinking, merge several source rows into the destination */
698 if (!vstretch)
699 {
700 if (mode == STRETCH_DELETESCANS)
701 {
702 /* Simply skip the overlapping rows */
703 while (((ydst + yinc) >> 16 == ydst >> 16) &&
704 (ysrc < visRectSrc->bottom-1))
705 {
706 ydst += yinc;
707 ysrc++;
708 }
709 }
710 else if (((ydst + yinc) >> 16 == ydst >> 16) &&
711 (ysrc < visRectSrc->bottom-1))
712 {
713 ydst += yinc;
714 ysrc++;
715 continue; /* Restart loop for next overlapping row */
716 }
717 }
718
719 /* Store the destination row */
720
721 pixel = rowDst + visRectDst->right - 1 + (hswap ? widthDst : 0);
722 if (vswap)
723 y = visRectDst->bottom - (vstretch ? ydst : ydst >> 16);
724 else
725 y = (vstretch ? ydst : ydst >> 16) - visRectDst->top;
726 for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--)
727 XPutPixel( dstImage, x, y, *pixel-- );
728 if (mode != STRETCH_DELETESCANS)
729 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
730 widthDst*sizeof(int) );
731
732 /* If stretching, make copies of the destination row */
733
734 if (vstretch)
735 {
736 char *pdata = dstImage->data + dstImage->bytes_per_line * y;
737 while (((ysrc + yinc) >> 16 == ysrc >> 16) &&
738 (ydst < visRectDst->bottom-1))
739 {
740 if (vswap)
741 {
742 memcpy( pdata - dstImage->bytes_per_line, pdata,
743 dstImage->bytes_per_line );
744 pdata -= dstImage->bytes_per_line;
745 }
746 else
747 {
748 memcpy( pdata + dstImage->bytes_per_line, pdata,
749 dstImage->bytes_per_line );
750 pdata += dstImage->bytes_per_line;
751 }
752 ysrc += yinc;
753 ydst++;
754 }
755 ysrc += yinc;
756 ydst++;
757 }
758 else
759 {
760 ydst += yinc;
761 ysrc++;
762 }
763 }
764
765 free( rowSrc );
766 }
767
768
769 /***********************************************************************
770 * BITBLT_GetSrcAreaStretch
771 *
772 * Retrieve an area from the source DC, stretching and mapping all the
773 * pixels to Windows colors.
774 */
775 static void BITBLT_GetSrcAreaStretch( DC *dcSrc, DC *dcDst,
776 Pixmap pixmap, GC gc,
777 short xSrc, short ySrc,
778 short widthSrc, short heightSrc,
779 short xDst, short yDst,
780 short widthDst, short heightDst,
781 RECT16 *visRectSrc, RECT16 *visRectDst )
782 {
783 XImage *imageSrc, *imageDst;
784
785 RECT16 rectSrc = *visRectSrc;
786 RECT16 rectDst = *visRectDst;
787 OffsetRect16( &rectSrc, -xSrc, -ySrc );
788 OffsetRect16( &rectDst, -xDst, -yDst );
789 /* FIXME: avoid BadMatch errors */
790 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
791 visRectSrc->left, visRectSrc->top,
792 visRectSrc->right - visRectSrc->left,
793 visRectSrc->bottom - visRectSrc->top,
794 AllPlanes, ZPixmap );
795 XCREATEIMAGE( imageDst, rectDst.right - rectDst.left,
796 rectDst.bottom - rectDst.top, dcDst->w.bitsPerPixel );
797 BITBLT_StretchImage( imageSrc, imageDst, widthSrc, heightSrc,
798 widthDst, heightDst, &rectSrc, &rectDst,
799 dcDst->w.textPixel, dcDst->w.bitsPerPixel != 1 ?
800 dcDst->w.backgroundPixel : dcSrc->w.backgroundPixel,
801 dcDst->w.stretchBltMode );
802 XPutImage( display, pixmap, gc, imageDst, 0, 0, 0, 0,
803 rectDst.right - rectDst.left, rectDst.bottom - rectDst.top );
804 XDestroyImage( imageSrc );
805 XDestroyImage( imageDst );
806 }
807
808
809 /***********************************************************************
810 * BITBLT_GetSrcArea
811 *
812 * Retrieve an area from the source DC, mapping all the
813 * pixels to Windows colors.
814 */
815 static void BITBLT_GetSrcArea( DC *dcSrc, DC *dcDst, Pixmap pixmap, GC gc,
816 short xSrc, short ySrc,
817 RECT16 *visRectSrc )
818 {
819 XImage *imageSrc, *imageDst;
820 register short x, y;
821 short width = visRectSrc->right - visRectSrc->left;
822 short height = visRectSrc->bottom - visRectSrc->top;
823
824 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
825 {
826 if (!COLOR_PixelToPalette ||
827 (dcDst->w.bitsPerPixel == 1)) /* monochrome -> monochrome */
828 {
829 XCopyArea( display, dcSrc->u.x.drawable, pixmap, gc,
830 visRectSrc->left, visRectSrc->top, width, height, 0, 0);
831 }
832 else /* color -> color */
833 {
834 if (dcSrc->w.flags & DC_MEMORY)
835 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
836 visRectSrc->left, visRectSrc->top,
837 width, height, AllPlanes, ZPixmap );
838 else
839 {
840 /* Make sure we don't get a BadMatch error */
841 XCopyArea( display, dcSrc->u.x.drawable, pixmap, gc,
842 visRectSrc->left, visRectSrc->top,
843 width, height, 0, 0);
844 imageSrc = XGetImage( display, pixmap, 0, 0, width, height,
845 AllPlanes, ZPixmap );
846 }
847 for (y = 0; y < height; y++)
848 for (x = 0; x < width; x++)
849 XPutPixel(imageSrc, x, y,
850 COLOR_PixelToPalette[XGetPixel(imageSrc, x, y)]);
851 XPutImage( display, pixmap, gc, imageSrc,
852 0, 0, 0, 0, width, height );
853 XDestroyImage( imageSrc );
854 }
855 }
856 else
857 {
858 if (dcSrc->w.bitsPerPixel == 1) /* monochrome -> color */
859 {
860 if (COLOR_PixelToPalette)
861 {
862 XSetBackground( display, gc,
863 COLOR_PixelToPalette[dcDst->w.textPixel] );
864 XSetForeground( display, gc,
865 COLOR_PixelToPalette[dcDst->w.backgroundPixel]);
866 }
867 else
868 {
869 XSetBackground( display, gc, dcDst->w.textPixel );
870 XSetForeground( display, gc, dcDst->w.backgroundPixel );
871 }
872 XCopyPlane( display, dcSrc->u.x.drawable, pixmap, gc,
873 visRectSrc->left, visRectSrc->top,
874 width, height, 0, 0, 1 );
875 }
876 else /* color -> monochrome */
877 {
878 /* FIXME: avoid BadMatch error */
879 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
880 visRectSrc->left, visRectSrc->top,
881 width, height, AllPlanes, ZPixmap );
882 XCREATEIMAGE( imageDst, width, height, dcDst->w.bitsPerPixel );
883 for (y = 0; y < height; y++)
884 for (x = 0; x < width; x++)
885 XPutPixel(imageDst, x, y, (XGetPixel(imageSrc,x,y) ==
886 dcSrc->w.backgroundPixel) );
887 XPutImage( display, pixmap, gc, imageDst,
888 0, 0, 0, 0, width, height );
889 XDestroyImage( imageSrc );
890 XDestroyImage( imageDst );
891 }
892 }
893 }
894
895
896 /***********************************************************************
897 * BITBLT_GetDstArea
898 *
899 * Retrieve an area from the destination DC, mapping all the
900 * pixels to Windows colors.
901 */
902 static void BITBLT_GetDstArea(DC *dc, Pixmap pixmap, GC gc, RECT16 *visRectDst)
903 {
904 short width = visRectDst->right - visRectDst->left;
905 short height = visRectDst->bottom - visRectDst->top;
906
907 if (!COLOR_PixelToPalette || (dc->w.bitsPerPixel == 1) ||
908 (COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) )
909 {
910 XCopyArea( display, dc->u.x.drawable, pixmap, gc,
911 visRectDst->left, visRectDst->top, width, height, 0, 0 );
912 }
913 else
914 {
915 register short x, y;
916 XImage *image;
917
918 if (dc->w.flags & DC_MEMORY)
919 image = XGetImage( display, dc->u.x.drawable,
920 visRectDst->left, visRectDst->top,
921 width, height, AllPlanes, ZPixmap );
922 else
923 {
924 /* Make sure we don't get a BadMatch error */
925 XCopyArea( display, dc->u.x.drawable, pixmap, gc,
926 visRectDst->left, visRectDst->top, width, height, 0, 0);
927 image = XGetImage( display, pixmap, 0, 0, width, height,
928 AllPlanes, ZPixmap );
929 }
930 for (y = 0; y < height; y++)
931 for (x = 0; x < width; x++)
932 XPutPixel( image, x, y,
933 COLOR_PixelToPalette[XGetPixel( image, x, y )]);
934 XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, width, height );
935 }
936 }
937
938
939 /***********************************************************************
940 * BITBLT_PutDstArea
941 *
942 * Put an area back into the destination DC, mapping the pixel
943 * colors to X pixels.
944 */
945 static void BITBLT_PutDstArea(DC *dc, Pixmap pixmap, GC gc, RECT16 *visRectDst)
946 {
947 short width = visRectDst->right - visRectDst->left;
948 short height = visRectDst->bottom - visRectDst->top;
949
950 /* !COLOR_PaletteToPixel is _NOT_ enough */
951
952 if (!COLOR_PaletteToPixel || (dc->w.bitsPerPixel == 1) ||
953 (COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) )
954 {
955 XCopyArea( display, pixmap, dc->u.x.drawable, gc, 0, 0,
956 width, height, visRectDst->left, visRectDst->top );
957 }
958 else
959 {
960 register short x, y;
961 XImage *image = XGetImage( display, pixmap, 0, 0, width, height,
962 AllPlanes, ZPixmap );
963 for (y = 0; y < height; y++)
964 for (x = 0; x < width; x++)
965 {
966 XPutPixel( image, x, y,
967 COLOR_PaletteToPixel[XGetPixel( image, x, y )]);
968 }
969 XPutImage( display, dc->u.x.drawable, gc, image, 0, 0,
970 visRectDst->left, visRectDst->top, width, height );
971 XDestroyImage( image );
972 }
973 }
974
975
976 /***********************************************************************
977 * BITBLT_GetVisRectangles
978 *
979 * Get the source and destination visible rectangles for StretchBlt().
980 * Return FALSE if one of the rectangles is empty.
981 */
982 static BOOL BITBLT_GetVisRectangles( DC *dcDst, short xDst, short yDst,
983 short widthDst, short heightDst,
984 DC *dcSrc, short xSrc, short ySrc,
985 short widthSrc, short heightSrc,
986 RECT16 *visRectSrc, RECT16 *visRectDst )
987 {
988 RECT16 tmpRect, clipRect;
989
990 if (widthSrc < 0) { widthSrc = -widthSrc; xSrc -= widthSrc; }
991 if (widthDst < 0) { widthDst = -widthDst; xDst -= widthDst; }
992 if (heightSrc < 0) { heightSrc = -heightSrc; ySrc -= heightSrc; }
993 if (heightDst < 0) { heightDst = -heightDst; yDst -= heightDst; }
994
995 /* Get the destination visible rectangle */
996
997 SetRect16( &tmpRect, xDst, yDst, xDst + widthDst, yDst + heightDst );
998 GetRgnBox16( dcDst->w.hGCClipRgn, &clipRect );
999 OffsetRect16( &clipRect, dcDst->w.DCOrgX, dcDst->w.DCOrgY );
1000 if (!IntersectRect16( visRectDst, &tmpRect, &clipRect )) return FALSE;
1001
1002 /* Get the source visible rectangle */
1003
1004 if (!dcSrc) return TRUE;
1005 SetRect16( &tmpRect, xSrc, ySrc, xSrc + widthSrc, ySrc + heightSrc );
1006 /* Apparently the clip region is only for output, so use hVisRgn here */
1007 GetRgnBox16( dcSrc->w.hVisRgn, &clipRect );
1008 OffsetRect16( &clipRect, dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
1009 if (!IntersectRect16( visRectSrc, &tmpRect, &clipRect )) return FALSE;
1010
1011 /* Intersect the rectangles */
1012
1013 if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */
1014 {
1015 OffsetRect16( visRectSrc, xDst - xSrc, yDst - ySrc );
1016 if (!IntersectRect16( &tmpRect, visRectSrc, visRectDst )) return FALSE;
1017 *visRectSrc = *visRectDst = tmpRect;
1018 OffsetRect16( visRectSrc, xSrc - xDst, ySrc - yDst );
1019 }
1020 else /* stretching */
1021 {
1022 visRectSrc->left = xDst + (visRectSrc->left-xSrc)*widthDst/widthSrc;
1023 visRectSrc->top = yDst + (visRectSrc->top-ySrc)*heightDst/heightSrc;
1024 visRectSrc->right = xDst +
1025 ((visRectSrc->right-xSrc) * widthDst) / widthSrc;
1026 visRectSrc->bottom = yDst +
1027 ((visRectSrc->bottom-ySrc) * heightDst) / heightSrc;
1028 if (!IntersectRect16( &tmpRect, visRectSrc, visRectDst )) return FALSE;
1029 *visRectSrc = *visRectDst = tmpRect;
1030 visRectSrc->left = xSrc + (visRectSrc->left-xDst)*widthSrc/widthDst;
1031 visRectSrc->top = ySrc + (visRectSrc->top-yDst)*heightSrc/heightDst;
1032 visRectSrc->right = xSrc +
1033 ((visRectSrc->right-xDst) * widthSrc) / widthDst;
1034 visRectSrc->bottom = ySrc +
1035 ((visRectSrc->bottom-yDst) * heightSrc) / heightDst;
1036 if (IsRectEmpty16( visRectSrc )) return FALSE;
1037 }
1038 return TRUE;
1039 }
1040
1041
1042 /***********************************************************************
1043 * BITBLT_InternalStretchBlt
1044 *
1045 * Implementation of PatBlt(), BitBlt() and StretchBlt().
1046 */
1047 BOOL BITBLT_InternalStretchBlt( DC *dcDst, short xDst, short yDst,
1048 short widthDst, short heightDst,
1049 DC *dcSrc, short xSrc, short ySrc,
1050 short widthSrc, short heightSrc, DWORD rop )
1051 {
1052 BOOL usePat, useSrc, useDst, destUsed, fStretch, fNullBrush;
1053 RECT16 visRectDst, visRectSrc;
1054 short width, height;
1055 const BYTE *opcode;
1056 Pixmap pixmaps[3] = { 0, 0, 0 }; /* pixmaps for DST, SRC, TMP */
1057 GC tmpGC = 0;
1058
1059 usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000));
1060 useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000));
1061 useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000));
1062 if (!dcSrc && useSrc) return FALSE;
1063
1064 if (dcDst->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dcDst );
1065 if (dcSrc && (dcSrc->w.flags & DC_DIRTY)) CLIPPING_UpdateGCRegion( dcSrc );
1066
1067 /* Map the coordinates to device coords */
1068
1069 xDst = dcDst->w.DCOrgX + XLPTODP( dcDst, xDst );
1070 yDst = dcDst->w.DCOrgY + YLPTODP( dcDst, yDst );
1071 widthDst = widthDst * dcDst->w.VportExtX / dcDst->w.WndExtX;
1072 heightDst = heightDst * dcDst->w.VportExtY / dcDst->w.WndExtY;
1073
1074 dprintf_bitblt( stddeb, " vportdst=%d,%d-%d,%d wnddst=%d,%d-%d,%d\n",
1075 dcDst->w.VportOrgX, dcDst->w.VportOrgY,
1076 dcDst->w.VportExtX, dcDst->w.VportExtY,
1077 dcDst->w.WndOrgX, dcDst->w.WndOrgY,
1078 dcDst->w.WndExtX, dcDst->w.WndExtY );
1079 dprintf_bitblt( stddeb, " rectdst=%d,%d-%d,%d orgdst=%d,%d\n",
1080 xDst, yDst, widthDst, heightDst,
1081 dcDst->w.DCOrgX, dcDst->w.DCOrgY );
1082
1083 if (useSrc)
1084 {
1085 xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc );
1086 ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc );
1087 widthSrc = widthSrc * dcSrc->w.VportExtX / dcSrc->w.WndExtX;
1088 heightSrc = heightSrc * dcSrc->w.VportExtY / dcSrc->w.WndExtY;
1089 fStretch = (widthSrc != widthDst) || (heightSrc != heightDst);
1090 dprintf_bitblt( stddeb," vportsrc=%d,%d-%d,%d wndsrc=%d,%d-%d,%d\n",
1091 dcSrc->w.VportOrgX, dcSrc->w.VportOrgY,
1092 dcSrc->w.VportExtX, dcSrc->w.VportExtY,
1093 dcSrc->w.WndOrgX, dcSrc->w.WndOrgY,
1094 dcSrc->w.WndExtX, dcSrc->w.WndExtY );
1095 dprintf_bitblt( stddeb, " rectsrc=%d,%d-%d,%d orgsrc=%d,%d\n",
1096 xSrc, ySrc, widthSrc, heightSrc,
1097 dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
1098 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1099 dcSrc, xSrc, ySrc, widthSrc, heightSrc,
1100 &visRectSrc, &visRectDst ))
1101 return TRUE;
1102 dprintf_bitblt( stddeb, " vissrc=%d,%d-%d,%d visdst=%d,%d-%d,%d\n",
1103 visRectSrc.left, visRectSrc.top,
1104 visRectSrc.right, visRectSrc.bottom,
1105 visRectDst.left, visRectDst.top,
1106 visRectDst.right, visRectDst.bottom );
1107 }
1108 else
1109 {
1110 fStretch = FALSE;
1111 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1112 NULL, 0, 0, 0, 0, NULL, &visRectDst ))
1113 return TRUE;
1114 dprintf_bitblt( stddeb, " vissrc=none visdst=%d,%d-%d,%d\n",
1115 visRectDst.left, visRectDst.top,
1116 visRectDst.right, visRectDst.bottom );
1117 }
1118
1119 width = visRectDst.right - visRectDst.left;
1120 height = visRectDst.bottom - visRectDst.top;
1121
1122 if (!fStretch) switch(rop) /* A few optimisations */
1123 {
1124 case BLACKNESS: /* 0x00 */
1125 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1126 XSetFunction( display, dcDst->u.x.gc, GXclear );
1127 else
1128 {
1129 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1130 XSetForeground( display, dcDst->u.x.gc, COLOR_PaletteToPixel[0] );
1131 XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
1132 }
1133 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1134 visRectDst.left, visRectDst.top, width, height );
1135 return TRUE;
1136
1137 case DSTINVERT: /* 0x55 */
1138 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel ||
1139 !Options.perfectGraphics)
1140 {
1141 XSetFunction( display, dcDst->u.x.gc, GXinvert );
1142
1143 if( COLOR_GetSystemPaletteFlags() & (COLOR_PRIVATE | COLOR_VIRTUAL) )
1144 XSetFunction( display, dcDst->u.x.gc, GXinvert);
1145 else
1146 {
1147 /* Xor is much better when we do not have full colormap. */
1148 /* Using white^black ensures that we invert at least black */
1149 /* and white. */
1150 Pixel xor_pix = (WhitePixelOfScreen(screen) ^
1151 BlackPixelOfScreen(screen));
1152 XSetFunction( display, dcDst->u.x.gc, GXxor );
1153 XSetForeground( display, dcDst->u.x.gc, xor_pix);
1154 XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
1155 }
1156 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1157 visRectDst.left, visRectDst.top, width, height );
1158 return TRUE;
1159 }
1160 break;
1161
1162 case PATINVERT: /* 0x5a */
1163 if (Options.perfectGraphics) break;
1164 if (!DC_SetupGCForBrush( dcDst )) return TRUE;
1165 XSetFunction( display, dcDst->u.x.gc, GXxor );
1166 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1167 visRectDst.left, visRectDst.top, width, height );
1168 return TRUE;
1169
1170 case SRCCOPY: /* 0xcc */
1171 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
1172 {
1173 XSetGraphicsExposures( display, dcDst->u.x.gc, True );
1174 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1175 XCopyArea( display, dcSrc->u.x.drawable,
1176 dcDst->u.x.drawable, dcDst->u.x.gc,
1177 visRectSrc.left, visRectSrc.top,
1178 width, height, visRectDst.left, visRectDst.top );
1179 XSetGraphicsExposures( display, dcDst->u.x.gc, False );
1180 return TRUE;
1181 }
1182 if (dcSrc->w.bitsPerPixel == 1)
1183 {
1184 XSetBackground( display, dcDst->u.x.gc, dcDst->w.textPixel );
1185 XSetForeground( display, dcDst->u.x.gc, dcDst->w.backgroundPixel );
1186 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1187 XSetGraphicsExposures( display, dcDst->u.x.gc, True );
1188 XCopyPlane( display, dcSrc->u.x.drawable,
1189 dcDst->u.x.drawable, dcDst->u.x.gc,
1190 visRectSrc.left, visRectSrc.top,
1191 width, height, visRectDst.left, visRectDst.top, 1 );
1192 XSetGraphicsExposures( display, dcDst->u.x.gc, False );
1193 return TRUE;
1194 }
1195 break;
1196
1197 case PATCOPY: /* 0xf0 */
1198 if (!DC_SetupGCForBrush( dcDst )) return TRUE;
1199 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1200 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1201 visRectDst.left, visRectDst.top, width, height );
1202 return TRUE;
1203
1204 case WHITENESS: /* 0xff */
1205 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1206 XSetFunction( display, dcDst->u.x.gc, GXset );
1207 else
1208 {
1209 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1210 XSetForeground( display, dcDst->u.x.gc,
1211 COLOR_PaletteToPixel[COLOR_GetSystemPaletteSize() - 1]);
1212 XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
1213 }
1214 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1215 visRectDst.left, visRectDst.top, width, height );
1216 return TRUE;
1217 }
1218
1219 tmpGC = XCreateGC( display, dcDst->u.x.drawable, 0, NULL );
1220 pixmaps[DST] = XCreatePixmap( display, rootWindow, width, height,
1221 dcDst->w.bitsPerPixel );
1222 if (useSrc)
1223 {
1224 pixmaps[SRC] = XCreatePixmap( display, rootWindow, width, height,
1225 dcDst->w.bitsPerPixel );
1226 if (fStretch)
1227 BITBLT_GetSrcAreaStretch( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1228 xSrc, ySrc, widthSrc, heightSrc,
1229 xDst, yDst, widthDst, heightDst,
1230 &visRectSrc, &visRectDst );
1231 else
1232 BITBLT_GetSrcArea( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1233 xSrc, ySrc, &visRectSrc );
1234 }
1235 if (useDst) BITBLT_GetDstArea( dcDst, pixmaps[DST], tmpGC, &visRectDst );
1236 if (usePat) fNullBrush = !DC_SetupGCForPatBlt( dcDst, tmpGC, TRUE );
1237 else fNullBrush = FALSE;
1238 destUsed = FALSE;
1239
1240 for (opcode = BITBLT_Opcodes[(rop >> 16) & 0xff]; *opcode; opcode++)
1241 {
1242 if (OP_DST(*opcode) == DST) destUsed = TRUE;
1243 XSetFunction( display, tmpGC, OP_ROP(*opcode) );
1244 switch(OP_SRCDST(*opcode))
1245 {
1246 case OP_ARGS(DST,TMP):
1247 case OP_ARGS(SRC,TMP):
1248 if (!pixmaps[TMP])
1249 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1250 width, height,
1251 dcDst->w.bitsPerPixel );
1252 /* fall through */
1253 case OP_ARGS(DST,SRC):
1254 case OP_ARGS(SRC,DST):
1255 case OP_ARGS(TMP,SRC):
1256 case OP_ARGS(TMP,DST):
1257 XCopyArea( display, pixmaps[OP_SRC(*opcode)],
1258 pixmaps[OP_DST(*opcode)], tmpGC,
1259 0, 0, width, height, 0, 0 );
1260 break;
1261
1262 case OP_ARGS(PAT,TMP):
1263 if (!pixmaps[TMP] && !fNullBrush)
1264 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1265 width, height,
1266 dcDst->w.bitsPerPixel );
1267 /* fall through */
1268 case OP_ARGS(PAT,DST):
1269 case OP_ARGS(PAT,SRC):
1270 if (!fNullBrush)
1271 XFillRectangle( display, pixmaps[OP_DST(*opcode)],
1272 tmpGC, 0, 0, width, height );
1273 break;
1274 }
1275 }
1276 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1277 BITBLT_PutDstArea( dcDst, pixmaps[destUsed ? DST : SRC],
1278 dcDst->u.x.gc, &visRectDst );
1279 XFreePixmap( display, pixmaps[DST] );
1280 if (pixmaps[SRC]) XFreePixmap( display, pixmaps[SRC] );
1281 if (pixmaps[TMP]) XFreePixmap( display, pixmaps[TMP] );
1282 XFreeGC( display, tmpGC );
1283 return TRUE;
1284 }
1285
1286
1287 /***********************************************************************
1288 * PatBlt (GDI.29)
1289 */
1290 BOOL PatBlt( HDC16 hdc, short left, short top,
1291 short width, short height, DWORD rop)
1292 {
1293 DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1294 if (!dc)
1295 {
1296 dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
1297 if (!dc) return FALSE;
1298 MF_MetaParam6(dc, META_PATBLT, left, top, width, height,
1299 HIWORD(rop), LOWORD(rop));
1300 return TRUE;
1301 }
1302
1303 dprintf_bitblt(stddeb, "PatBlt: %04x %d,%d %dx%d %06lx\n",
1304 hdc, left, top, width, height, rop );
1305
1306 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1307 dc, left, top, width, height,
1308 NULL, 0, 0, 0, 0, rop );
1309 }
1310
1311
1312 /***********************************************************************
1313 * BitBlt (GDI.34)
1314 */
1315 BOOL BitBlt( HDC16 hdcDst, INT xDst, INT yDst, INT width, INT height,
1316 HDC16 hdcSrc, INT xSrc, INT ySrc, DWORD rop )
1317 {
1318 DC *dcDst, *dcSrc;
1319
1320 if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, DC_MAGIC )))
1321 {
1322 dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC );
1323 if (!dcDst) return FALSE;
1324 return MF_BitBlt( dcDst, xDst, yDst, width, height,
1325 hdcSrc, xSrc, ySrc, rop );
1326 }
1327 dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC );
1328
1329 dprintf_bitblt(stddeb,
1330 "BitBlt: hdcSrc=%04x %d,%d %d bpp -> hdcDest=%04x %d,%d %dx%dx%d rop=%06lx\n",
1331 hdcSrc, xSrc, ySrc, dcSrc ? dcSrc->w.bitsPerPixel : 0,
1332 hdcDst, xDst, yDst, width, height, dcDst->w.bitsPerPixel, rop);
1333
1334 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1335 dcDst, xDst, yDst, width, height,
1336 dcSrc, xSrc, ySrc, width, height, rop );
1337 }
1338
1339
1340 /***********************************************************************
1341 * StretchBlt (GDI.35)
1342 */
1343 BOOL StretchBlt( HDC16 hdcDst, short xDst, short yDst,
1344 short widthDst, short heightDst,
1345 HDC16 hdcSrc, short xSrc, short ySrc,
1346 short widthSrc, short heightSrc, DWORD rop )
1347 {
1348 DC *dcDst, *dcSrc;
1349
1350 if (!(dcDst = (DC *) GDI_GetObjPtr( hdcDst, DC_MAGIC )))
1351 {
1352 if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC )))
1353 return FALSE;
1354 return MF_StretchBlt( dcDst, xDst, yDst, widthDst, heightDst,
1355 hdcSrc, xSrc, ySrc, widthSrc, heightSrc, rop );
1356 }
1357
1358 dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC );
1359 dprintf_bitblt(stddeb,
1360 "StretchBlt: %04x %d,%d %dx%dx%d -> %04x %d,%d %dx%dx%d rop=%06lx\n",
1361 hdcSrc, xSrc, ySrc, widthSrc, heightSrc,
1362 dcSrc ? dcSrc->w.bitsPerPixel : 0, hdcDst, xDst, yDst,
1363 widthDst, heightDst, dcDst->w.bitsPerPixel, rop );
1364
1365 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1366 dcDst, xDst, yDst, widthDst, heightDst,
1367 dcSrc, xSrc, ySrc, widthSrc, heightSrc, rop );
1368 }
1369 /***********************************************************************
1370 * FastWindowFrame (GDI.400)
1371 */
1372 WORD
1373 FastWindowFrame(WORD x1,DWORD x2,WORD x3,WORD x4,DWORD x5) {
1374 dprintf_gdi(stdnimp,"FastWindowFrame (%04x, %08lx, %04x, %04x, %08lx) // unimplemented!\n",x1,x2,x3,x4,x5);
1375 return 0xFFFF; /* failed? */
1376 }
Maarten's multimedia branch