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Release 960506
[wine.git] / objects / bitblt.c
blobb9b2b786019cad1ba4ec3fd9665e6605d0bb266d
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 static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] =
39 {
40 { OP(PAT,DST,GXclear) }, /* 0x00 0 */
41 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnor) }, /* 0x01 ~(D|(P|S)) */
42 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXand) }, /* 0x02 D&~(P|S) */
43 { OP(PAT,SRC,GXnor) }, /* 0x03 ~(P|S) */
44 { OP(PAT,DST,GXnor), OP(SRC,DST,GXand) }, /* 0x04 S&~(D|P) */
45 { OP(PAT,DST,GXnor) }, /* 0x05 ~(D|P) */
46 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnor), }, /* 0x06 ~(P|~(D^S)) */
47 { OP(SRC,DST,GXand), OP(PAT,DST,GXnor) }, /* 0x07 ~(P|(D&S)) */
48 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXand) },/* 0x08 S&D&~P */
49 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnor) }, /* 0x09 ~(P|(D^S)) */
50 { OP(PAT,DST,GXandInverted) }, /* 0x0a D&~P */
51 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXnor) }, /* 0x0b ~(P|(S&~D)) */
52 { OP(PAT,SRC,GXandInverted) }, /* 0x0c S&~P */
53 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXnor) },/* 0x0d ~(P|(D&~S)) */
54 { OP(SRC,DST,GXnor), OP(PAT,DST,GXnor) }, /* 0x0e ~(P|~(D|S)) */
55 { OP(PAT,DST,GXcopyInverted) }, /* 0x0f ~P */
56 { OP(SRC,DST,GXnor), OP(PAT,DST,GXand) }, /* 0x10 P&~(S|D) */
57 { OP(SRC,DST,GXnor) }, /* 0x11 ~(D|S) */
58 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnor) }, /* 0x12 ~(S|~(D^P)) */
59 { OP(PAT,DST,GXand), OP(SRC,DST,GXnor) }, /* 0x13 ~(S|(D&P)) */
60 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnor) }, /* 0x14 ~(D|~(P^S)) */
61 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnor) }, /* 0x15 ~(D|(P&S)) */
62 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
63 OP(TMP,DST,GXand), OP(SRC,DST,GXxor),
64 OP(PAT,DST,GXxor) }, /* 0x16 P^S^(D&~(P&S) */
65 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
66 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
67 OP(TMP,DST,GXequiv) }, /* 0x17 ~S^((S^P)&(S^D))*/
68 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
69 OP(SRC,DST,GXand) }, /* 0x18 (S^P)&(D^P) */
70 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
71 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x19 ~S^(D&~(P&S)) */
72 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
73 OP(PAT,DST,GXxor) }, /* 0x1a P^(D|(S&P)) */
74 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXxor),
75 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x1b ~S^(D&(P^S)) */
76 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
77 OP(PAT,DST,GXxor) }, /* 0x1c P^(S|(D&P)) */
78 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
79 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1d ~D^(S&(D^P)) */
80 { OP(SRC,DST,GXor), OP(PAT,DST,GXxor) }, /* 0x1e P^(D|S) */
81 { OP(SRC,DST,GXor), OP(PAT,DST,GXnand) }, /* 0x1f ~(P&(D|S)) */
82 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXand) }, /* 0x20 D&(P&~S) */
83 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnor) }, /* 0x21 ~(S|(D^P)) */
84 { OP(SRC,DST,GXandInverted) }, /* 0x22 ~S&D */
85 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x23 ~(S|(P&~D)) */
86 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
87 OP(SRC,DST,GXand) }, /* 0x24 (S^P)&(S^D) */
88 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand),
89 OP(PAT,DST,GXequiv) }, /* 0x25 ~P^(D&~(S&P)) */
90 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
91 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x26 S^(D|(S&P)) */
92 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXequiv),
93 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x27 S^(D|~(P^S)) */
94 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand) }, /* 0x28 D&(P^S) */
95 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
96 OP(TMP,DST,GXor), OP(SRC,DST,GXxor),
97 OP(PAT,DST,GXequiv) }, /* 0x29 ~P^S^(D|(P&S)) */
98 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand) }, /* 0x2a D&~(P&S) */
99 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
100 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
101 OP(TMP,DST,GXequiv) }, /* 0x2b ~S^((P^S)&(P^D))*/
102 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
103 OP(SRC,DST,GXxor) }, /* 0x2c S^(P&(S|D)) */
104 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXxor) }, /* 0x2d P^(S|~D) */
105 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
106 OP(PAT,DST,GXxor) }, /* 0x2e P^(S|(D^P)) */
107 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXnand) }, /* 0x2f ~(P&(S|~D)) */
108 { OP(PAT,SRC,GXandReverse) }, /* 0x30 P&~S */
109 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXnor) },/* 0x31 ~(S|(D&~P)) */
110 { OP(SRC,DST,GXor), OP(PAT,DST,GXor),
111 OP(SRC,DST,GXxor) }, /* 0x32 S^(D|P|S) */
112 { OP(SRC,DST,GXcopyInverted) }, /* 0x33 ~S */
113 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
114 OP(SRC,DST,GXxor) }, /* 0x34 S^(P|(D&S)) */
115 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor),
116 OP(SRC,DST,GXxor) }, /* 0x35 S^(P|~(D^S)) */
117 { OP(PAT,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x36 S^(D|P) */
118 { OP(PAT,DST,GXor), OP(SRC,DST,GXnand) }, /* 0x37 ~(S&(D|P)) */
119 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
120 OP(PAT,DST,GXxor) }, /* 0x38 P^(S&(D|P)) */
121 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x39 S^(P|~D) */
122 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
123 OP(SRC,DST,GXxor) }, /* 0x3a S^(P|(D^S)) */
124 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x3b ~(S&(P|~D)) */
125 { OP(PAT,SRC,GXxor) }, /* 0x3c P^S */
126 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
127 OP(SRC,DST,GXxor) }, /* 0x3d S^(P|~(D|S)) */
128 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
129 OP(SRC,DST,GXxor) }, /* 0x3e S^(P|(D&~S)) */
130 { OP(PAT,SRC,GXnand) }, /* 0x3f ~(P&S) */
131 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXand) }, /* 0x40 P&S&~D */
132 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnor) }, /* 0x41 ~(D|(P^S)) */
133 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
134 OP(SRC,DST,GXand) }, /* 0x42 (S^D)&(P^D) */
135 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
136 OP(SRC,DST,GXequiv) }, /* 0x43 ~S^(P&~(D&S)) */
137 { OP(SRC,DST,GXandReverse) }, /* 0x44 S&~D */
138 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x45 ~(D|(P&~S)) */
139 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
140 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x46 D^(S|(P&D)) */
141 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
142 OP(PAT,DST,GXequiv) }, /* 0x47 ~P^(S&(D^P)) */
143 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand) }, /* 0x48 S&(P^D) */
144 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
145 OP(SRC,DST,GXor), OP(TMP,DST,GXxor),
146 OP(PAT,DST,GXequiv) }, /* 0x49 ~P^D^(S|(P&D)) */
147 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
148 OP(SRC,DST,GXxor) }, /* 0x4a D^(P&(S|D)) */
149 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXxor) }, /* 0x4b P^(D|~S) */
150 { OP(PAT,DST,GXnand), OP(SRC,DST,GXand) }, /* 0x4c S&~(D&P) */
151 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
152 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
153 OP(TMP,DST,GXequiv) }, /* 0x4d ~S^((S^P)|(S^D))*/
154 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
155 OP(PAT,DST,GXxor) }, /* 0x4e P^(D|(S^P)) */
156 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXnand) },/* 0x4f ~(P&(D|~S)) */
157 { OP(PAT,DST,GXandReverse) }, /* 0x50 P&~D */
158 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXnor) },/* 0x51 ~(D|(S&~P)) */
159 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
160 OP(SRC,DST,GXxor) }, /* 0x52 D^(P|(S&D)) */
161 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
162 OP(SRC,DST,GXequiv) }, /* 0x53 ~S^(P&(D^S)) */
163 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXnor) }, /* 0x54 ~(D|~(P|S)) */
164 { OP(PAT,DST,GXinvert) }, /* 0x55 ~D */
165 { OP(PAT,SRC,GXor), OP(SRC,DST,GXxor) }, /* 0x56 D^(P|S) */
166 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnand) }, /* 0x57 ~(D&(P|S)) */
167 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
168 OP(PAT,DST,GXxor) }, /* 0x58 P^(D&(P|S)) */
169 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x59 D^(P|~S) */
170 { OP(PAT,DST,GXxor) }, /* 0x5a D^P */
171 { OP(DST,SRC,GXnor), OP(PAT,SRC,GXor),
172 OP(SRC,DST,GXxor) }, /* 0x5b D^(P|~(S|D)) */
173 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
174 OP(SRC,DST,GXxor) }, /* 0x5c D^(P|(S^D)) */
175 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x5d ~(D&(P|~S)) */
176 { OP(DST,SRC,GXandInverted), OP(PAT,SRC,GXor),
177 OP(SRC,DST,GXxor) }, /* 0x5e D^(P|(S&~D)) */
178 { OP(PAT,DST,GXnand) }, /* 0x5f ~(D&P) */
179 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand) }, /* 0x60 P&(D^S) */
180 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
181 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
182 OP(TMP,DST,GXequiv) }, /* 0x61 ~D^S^(P|(D&S)) */
183 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
184 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x62 D^(S&(P|D)) */
185 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x63 S^(D|~P) */
186 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
187 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x64 S^(D&(P|S)) */
188 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x65 D^(S|~P) */
189 { OP(SRC,DST,GXxor) }, /* 0x66 S^D */
190 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
191 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x67 S^(D|~(S|P) */
192 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnor),
193 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
194 OP(TMP,DST,GXequiv) }, /* 0x68 ~D^S^(P|~(D|S))*/
195 { OP(SRC,DST,GXxor), OP(PAT,DST,GXequiv) }, /* 0x69 ~P^(D^S) */
196 { OP(PAT,SRC,GXand), OP(SRC,DST,GXxor) }, /* 0x6a D^(P&S) */
197 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
198 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
199 OP(PAT,DST,GXequiv) }, /* 0x6b ~P^S^(D&(P|S)) */
200 { OP(PAT,DST,GXand), OP(SRC,DST,GXxor) }, /* 0x6c S^(D&P) */
201 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
202 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
203 OP(PAT,DST,GXequiv) }, /* 0x6d ~P^D^(S&(P|D)) */
204 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
205 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x6e S^(D&(P|~S)) */
206 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnand) }, /* 0x6f ~(P&~(S^D)) */
207 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand) }, /* 0x70 P&~(D&S) */
208 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
209 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
210 OP(TMP,DST,GXequiv) }, /* 0x71 ~S^((S^D)&(P^D))*/
211 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
212 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x72 S^(D|(P^S)) */
213 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXnand) },/* 0x73 ~(S&(D|~P)) */
214 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
215 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x74 D^(S|(P^D)) */
216 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXnand) },/* 0x75 ~(D&(S|~P)) */
217 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
218 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x76 S^(D|(P&~S)) */
219 { OP(SRC,DST,GXnand) }, /* 0x77 ~(S&D) */
220 { OP(SRC,DST,GXand), OP(PAT,DST,GXxor) }, /* 0x78 P^(D&S) */
221 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
222 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
223 OP(TMP,DST,GXequiv) }, /* 0x79 ~D^S^(P&(D|S)) */
224 { OP(DST,SRC,GXorInverted), OP(PAT,SRC,GXand),
225 OP(SRC,DST,GXxor) }, /* 0x7a D^(P&(S|~D)) */
226 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7b ~(S&~(D^P)) */
227 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
228 OP(SRC,DST,GXxor) }, /* 0x7c S^(P&(D|~S)) */
229 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7d ~(D&~(P^S)) */
230 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
231 OP(SRC,DST,GXor) }, /* 0x7e (S^P)|(S^D) */
232 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnand) }, /* 0x7f ~(D&P&S) */
233 { OP(PAT,SRC,GXand), OP(SRC,DST,GXand) }, /* 0x80 D&P&S */
234 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
235 OP(SRC,DST,GXnor) }, /* 0x81 ~((S^P)|(S^D)) */
236 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXand) }, /* 0x82 D&~(P^S) */
237 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
238 OP(SRC,DST,GXequiv) }, /* 0x83 ~S^(P&(D|~S)) */
239 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXand) }, /* 0x84 S&~(D^P) */
240 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand),
241 OP(PAT,DST,GXequiv) }, /* 0x85 ~P^(D&(S|~P)) */
242 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
243 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
244 OP(TMP,DST,GXxor) }, /* 0x86 D^S^(P&(D|S)) */
245 { OP(SRC,DST,GXand), OP(PAT,DST,GXequiv) }, /* 0x87 ~P^(D&S) */
246 { OP(SRC,DST,GXand) }, /* 0x88 S&D */
247 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
248 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x89 ~S^(D|(P&~S)) */
249 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8a D&(S|~P) */
250 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
251 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8b ~D^(S|(P^D)) */
252 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8c S&(D|~P) */
253 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
254 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8d ~S^(D|(P^S)) */
255 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
256 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
257 OP(TMP,DST,GXxor) }, /* 0x8e S^((S^D)&(P^D))*/
258 { OP(SRC,DST,GXnand), OP(PAT,DST,GXnand) }, /* 0x8f ~(P&~(D&S)) */
259 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXand) }, /* 0x90 P&~(D^S) */
260 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
261 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x91 ~S^(D&(P|~S)) */
262 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
263 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
264 OP(TMP,DST,GXxor) }, /* 0x92 D^P^(S&(D|P)) */
265 { OP(PAT,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x93 ~S^(P&D) */
266 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
267 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
268 OP(TMP,DST,GXxor) }, /* 0x94 S^P^(D&(P|S)) */
269 { OP(PAT,SRC,GXand), OP(SRC,DST,GXequiv) }, /* 0x95 ~D^(P&S) */
270 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXxor) }, /* 0x96 D^P^S */
271 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
272 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
273 OP(TMP,DST,GXxor) }, /* 0x97 S^P^(D|~(P|S)) */
274 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
275 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x98 ~S^(D|~(P|S)) */
276 { OP(SRC,DST,GXequiv) }, /* 0x99 ~S^D */
277 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9a D^(P&~S) */
278 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
279 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9b ~S^(D&(P|S)) */
280 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9c S^(P&~D) */
281 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
282 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9d ~D^(S&(P|D)) */
283 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
284 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
285 OP(TMP,DST,GXxor) }, /* 0x9e D^S^(P|(D&S)) */
286 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnand) }, /* 0x9f ~(P&(D^S)) */
287 { OP(PAT,DST,GXand) }, /* 0xa0 D&P */
288 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor),
289 OP(PAT,DST,GXequiv) }, /* 0xa1 ~P^(D|(S&~P)) */
290 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXand) }, /* 0xa2 D&(P|~S) */
291 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
292 OP(SRC,DST,GXequiv) }, /* 0xa3 ~D^(P|(S^D)) */
293 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor),
294 OP(PAT,DST,GXequiv) }, /* 0xa4 ~P^(D|~(S|P)) */
295 { OP(PAT,DST,GXequiv) }, /* 0xa5 ~P^D */
296 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXxor) },/* 0xa6 D^(S&~P) */
297 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
298 OP(PAT,DST,GXequiv) }, /* 0xa7 ~P^(D&(S|P)) */
299 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand) }, /* 0xa8 D&(P|S) */
300 { OP(PAT,SRC,GXor), OP(SRC,DST,GXequiv) }, /* 0xa9 ~D^(P|S) */
301 { OP(SRC,DST,GXnoop) }, /* 0xaa D */
302 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor) }, /* 0xab D|~(P|S) */
303 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
304 OP(SRC,DST,GXxor) }, /* 0xac S^(P&(D^S)) */
305 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
306 OP(SRC,DST,GXequiv) }, /* 0xad ~D^(P|(S&D)) */
307 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor) }, /* 0xae D|(S&~P) */
308 { OP(PAT,DST,GXorInverted) }, /* 0xaf D|~P */
309 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand) }, /* 0xb0 P&(D|~S) */
310 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
311 OP(PAT,DST,GXequiv) }, /* 0xb1 ~P^(D|(S^P)) */
312 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
313 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
314 OP(TMP,DST,GXxor) }, /* 0xb2 S^((S^P)|(S^D))*/
315 { OP(PAT,DST,GXnand), OP(SRC,DST,GXnand) }, /* 0xb3 ~(S&~(D&P)) */
316 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXxor) }, /* 0xb4 P^(S&~D) */
317 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
318 OP(SRC,DST,GXequiv) }, /* 0xb5 ~D^(P&(S|D)) */
319 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
320 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
321 OP(TMP,DST,GXxor) }, /* 0xb6 D^P^(S|(D&P)) */
322 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnand) }, /* 0xb7 ~(S&(D^P)) */
323 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
324 OP(PAT,DST,GXxor) }, /* 0xb8 P^(S&(D^P)) */
325 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
326 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xb9 ~D^(S|(P&D)) */
327 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXor) }, /* 0xba D|(P&~S) */
328 { OP(SRC,DST,GXorInverted) }, /* 0xbb ~S|D */
329 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
330 OP(SRC,DST,GXxor) }, /* 0xbc S^(P&~(D&S)) */
331 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
332 OP(SRC,DST,GXnand) }, /* 0xbd ~((S^D)&(P^D)) */
333 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor) }, /* 0xbe D|(P^S) */
334 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXor) }, /* 0xbf D|~(P&S) */
335 { OP(PAT,SRC,GXand) }, /* 0xc0 P&S */
336 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
337 OP(SRC,DST,GXequiv) }, /* 0xc1 ~S^(P|(D&~S)) */
338 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
339 OP(SRC,DST,GXequiv) }, /* 0xc2 ~S^(P|~(D|S)) */
340 { OP(PAT,SRC,GXequiv) }, /* 0xc3 ~P^S */
341 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXand) }, /* 0xc4 S&(P|~D) */
342 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
343 OP(SRC,DST,GXequiv) }, /* 0xc5 ~S^(P|(D^S)) */
344 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXxor) },/* 0xc6 S^(D&~P) */
345 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
346 OP(PAT,DST,GXequiv) }, /* 0xc7 ~P^(S&(D|P)) */
347 { OP(PAT,DST,GXor), OP(SRC,DST,GXand) }, /* 0xc8 S&(D|P) */
348 { OP(PAT,DST,GXor), OP(SRC,DST,GXequiv) }, /* 0xc9 ~S^(P|D) */
349 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXand),
350 OP(SRC,DST,GXxor) }, /* 0xca D^(P&(S^D)) */
351 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
352 OP(SRC,DST,GXequiv) }, /* 0xcb ~S^(P|(D&S)) */
353 { OP(SRC,DST,GXcopy) }, /* 0xcc S */
354 { OP(PAT,DST,GXnor), OP(SRC,DST,GXor) }, /* 0xcd S|~(D|P) */
355 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXor) }, /* 0xce S|(D&~P) */
356 { OP(PAT,SRC,GXorInverted) }, /* 0xcf S|~P */
357 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXand) }, /* 0xd0 P&(S|~D) */
358 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
359 OP(PAT,DST,GXequiv) }, /* 0xd1 ~P^(S|(D^P)) */
360 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXxor) },/* 0xd2 P^(D&~S) */
361 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
362 OP(SRC,DST,GXequiv) }, /* 0xd3 ~S^(P&(D|S)) */
363 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
364 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
365 OP(TMP,DST,GXxor) }, /* 0xd4 S^((S^P)&(D^P))*/
366 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXnand) }, /* 0xd5 ~(D&~(P&S)) */
367 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
368 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
369 OP(TMP,DST,GXxor) }, /* 0xd6 S^P^(D|(P&S)) */
370 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnand) }, /* 0xd7 ~(D&(P^S)) */
371 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
372 OP(PAT,DST,GXxor) }, /* 0xd8 P^(D&(S^P)) */
373 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
374 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xd9 ~S^(D|(P&S)) */
375 { OP(DST,SRC,GXnand), OP(PAT,SRC,GXand),
376 OP(SRC,DST,GXxor) }, /* 0xda D^(P&~(S&D)) */
377 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
378 OP(SRC,DST,GXnand) }, /* 0xdb ~((S^P)&(S^D)) */
379 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXor) }, /* 0xdc S|(P&~D) */
380 { OP(SRC,DST,GXorReverse) }, /* 0xdd S|~D */
381 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor) }, /* 0xde S|(D^P) */
382 { OP(PAT,DST,GXnand), OP(SRC,DST,GXor) }, /* 0xdf S|~(D&P) */
383 { OP(SRC,DST,GXor), OP(PAT,DST,GXand) }, /* 0xe0 P&(D|S) */
384 { OP(SRC,DST,GXor), OP(PAT,DST,GXequiv) }, /* 0xe1 ~P^(D|S) */
385 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
386 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe2 D^(S&(P^D)) */
387 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
388 OP(PAT,DST,GXequiv) }, /* 0xe3 ~P^(S|(D&P)) */
389 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
390 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe4 S^(D&(P^S)) */
391 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
392 OP(PAT,DST,GXequiv) }, /* 0xe5 ~P^(D|(S&P)) */
393 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
394 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe6 S^(D&~(P&S)) */
395 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
396 OP(SRC,DST,GXnand) }, /* 0xe7 ~((S^P)&(D^P)) */
397 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
398 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
399 OP(TMP,DST,GXxor) }, /* 0xe8 S^((S^P)&(S^D))*/
400 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnand),
401 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
402 OP(TMP,DST,GXequiv) }, /* 0xe9 ~D^S^(P&~(S&D))*/
403 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor) }, /* 0xea D|(P&S) */
404 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXor) }, /* 0xeb D|~(P^S) */
405 { OP(PAT,DST,GXand), OP(SRC,DST,GXor) }, /* 0xec S|(D&P) */
406 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXor) }, /* 0xed S|~(D^P) */
407 { OP(SRC,DST,GXor) }, /* 0xee S|D */
408 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXor) }, /* 0xef S|D|~P */
409 { OP(PAT,DST,GXcopy) }, /* 0xf0 P */
410 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor) }, /* 0xf1 P|~(D|S) */
411 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor) }, /* 0xf2 P|(D&~S) */
412 { OP(PAT,SRC,GXorReverse) }, /* 0xf3 P|~S */
413 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXor) }, /* 0xf4 P|(S&~D) */
414 { OP(PAT,DST,GXorReverse) }, /* 0xf5 P|~D */
415 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor) }, /* 0xf6 P|(D^S) */
416 { OP(SRC,DST,GXnand), OP(PAT,DST,GXor) }, /* 0xf7 P|~(S&D) */
417 { OP(SRC,DST,GXand), OP(PAT,DST,GXor) }, /* 0xf8 P|(D&S) */
418 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor) }, /* 0xf9 P|~(D^S) */
419 { OP(PAT,DST,GXor) }, /* 0xfa D|P */
420 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXor) }, /* 0xfb D|P|~S */
421 { OP(PAT,SRC,GXor) }, /* 0xfc P|S */
422 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXor) }, /* 0xfd P|S|~D */
423 { OP(SRC,DST,GXor), OP(PAT,DST,GXor) }, /* 0xfe P|D|S */
424 { OP(PAT,DST,GXset) } /* 0xff 1 */
425 };
426
427
428 #ifdef BITBLT_TEST /* Opcodes test */
429
430 static int do_bitop( int s, int d, int rop )
431 {
432 int res;
433 switch(rop)
434 {
435 case GXclear: res = 0; break;
436 case GXand: res = s & d; break;
437 case GXandReverse: res = s & ~d; break;
438 case GXcopy: res = s; break;
439 case GXandInverted: res = ~s & d; break;
440 case GXnoop: res = d; break;
441 case GXxor: res = s ^ d; break;
442 case GXor: res = s | d; break;
443 case GXnor: res = ~(s | d); break;
444 case GXequiv: res = ~s ^ d; break;
445 case GXinvert: res = ~d; break;
446 case GXorReverse: res = s | ~d; break;
447 case GXcopyInverted: res = ~s; break;
448 case GXorInverted: res = ~s | d; break;
449 case GXnand: res = ~(s & d); break;
450 case GXset: res = 1; break;
451 }
452 return res & 1;
453 }
454
455 main()
456 {
457 int rop, i, res, src, dst, pat, tmp, dstUsed;
458 const BYTE *opcode;
459
460 for (rop = 0; rop < 256; rop++)
461 {
462 res = dstUsed = 0;
463 for (i = 0; i < 8; i++)
464 {
465 pat = (i >> 2) & 1;
466 src = (i >> 1) & 1;
467 dst = i & 1;
468 for (opcode = BITBLT_Opcodes[rop]; *opcode; opcode++)
469 {
470 switch(*opcode >> 4)
471 {
472 case OP_ARGS(DST,TMP):
473 tmp = do_bitop( dst, tmp, *opcode & 0xf );
474 break;
475 case OP_ARGS(DST,SRC):
476 src = do_bitop( dst, src, *opcode & 0xf );
477 break;
478 case OP_ARGS(SRC,TMP):
479 tmp = do_bitop( src, tmp, *opcode & 0xf );
480 break;
481 case OP_ARGS(SRC,DST):
482 dst = do_bitop( src, dst, *opcode & 0xf );
483 dstUsed = 1;
484 break;
485 case OP_ARGS(PAT,TMP):
486 tmp = do_bitop( pat, tmp, *opcode & 0xf );
487 break;
488 case OP_ARGS(PAT,DST):
489 dst = do_bitop( pat, dst, *opcode & 0xf );
490 dstUsed = 1;
491 break;
492 case OP_ARGS(PAT,SRC):
493 src = do_bitop( pat, src, *opcode & 0xf );
494 break;
495 case OP_ARGS(TMP,DST):
496 dst = do_bitop( tmp, dst, *opcode & 0xf );
497 dstUsed = 1;
498 break;
499 case OP_ARGS(TMP,SRC):
500 src = do_bitop( tmp, src, *opcode & 0xf );
501 break;
502 default:
503 printf( "Invalid opcode %x\n", *opcode );
504 }
505 }
506 if (!dstUsed) dst = src;
507 if (dst) res |= 1 << i;
508 }
509 if (res != rop) printf( "%02x: ERROR, res=%02x\n", rop, res );
510 }
511 }
512
513 #endif /* BITBLT_TEST */
514
515
516 /***********************************************************************
517 * BITBLT_StretchRow
518 *
519 * Stretch a row of pixels. Helper function for BITBLT_StretchImage.
520 */
521 static void BITBLT_StretchRow( int *rowSrc, int *rowDst,
522 short startDst, short widthDst,
523 int xinc, WORD mode )
524 {
525 register int xsrc = xinc * startDst;
526 rowDst += startDst;
527 switch(mode)
528 {
529 case STRETCH_ANDSCANS:
530 for(; widthDst > 0; widthDst--, xsrc += xinc)
531 *rowDst++ &= rowSrc[xsrc >> 16];
532 break;
533 case STRETCH_ORSCANS:
534 for(; widthDst > 0; widthDst--, xsrc += xinc)
535 *rowDst++ |= rowSrc[xsrc >> 16];
536 break;
537 case STRETCH_DELETESCANS:
538 for(; widthDst > 0; widthDst--, xsrc += xinc)
539 *rowDst++ = rowSrc[xsrc >> 16];
540 break;
541 }
542 }
543
544
545 /***********************************************************************
546 * BITBLT_ShrinkRow
547 *
548 * Shrink a row of pixels. Helper function for BITBLT_StretchImage.
549 */
550 static void BITBLT_ShrinkRow( int *rowSrc, int *rowDst,
551 short startSrc, short widthSrc,
552 int xinc, WORD mode )
553 {
554 register int xdst = xinc * startSrc;
555 rowSrc += startSrc;
556 switch(mode)
557 {
558 case STRETCH_ORSCANS:
559 for(; widthSrc > 0; widthSrc--, xdst += xinc)
560 rowDst[xdst >> 16] |= *rowSrc++;
561 break;
562 case STRETCH_ANDSCANS:
563 for(; widthSrc > 0; widthSrc--, xdst += xinc)
564 rowDst[xdst >> 16] &= *rowSrc++;
565 break;
566 case STRETCH_DELETESCANS:
567 for(; widthSrc > 0; widthSrc--, xdst += xinc)
568 rowDst[xdst >> 16] = *rowSrc++;
569 break;
570 }
571 }
572
573
574 /***********************************************************************
575 * BITBLT_GetRow
576 *
577 * Retrieve a row from an image. Helper function for BITBLT_StretchImage.
578 */
579 static void BITBLT_GetRow( XImage *image, int *pdata, short row,
580 short start, short width, short depthDst,
581 int fg, int bg, BOOL swap)
582 {
583 register short i;
584
585 pdata += swap ? start+width-1 : start;
586 if (image->depth == depthDst) /* color -> color */
587 {
588 if (COLOR_PixelToPalette && (depthDst != 1))
589 if (swap) for (i = 0; i < width; i++)
590 *pdata-- = COLOR_PixelToPalette[XGetPixel( image, i, row )];
591 else for (i = 0; i < width; i++)
592 *pdata++ = COLOR_PixelToPalette[XGetPixel( image, i, row )];
593 else
594 if (swap) for (i = 0; i < width; i++)
595 *pdata-- = XGetPixel( image, i, row );
596 else for (i = 0; i < width; i++)
597 *pdata++ = XGetPixel( image, i, row );
598 }
599 else
600 {
601 if (image->depth == 1) /* monochrome -> color */
602 {
603 if (COLOR_PixelToPalette)
604 {
605 fg = COLOR_PixelToPalette[fg];
606 bg = COLOR_PixelToPalette[bg];
607 }
608 if (swap) for (i = 0; i < width; i++)
609 *pdata-- = XGetPixel( image, i, row ) ? bg : fg;
610 else for (i = 0; i < width; i++)
611 *pdata++ = XGetPixel( image, i, row ) ? bg : fg;
612 }
613 else /* color -> monochrome */
614 {
615 if (swap) for (i = 0; i < width; i++)
616 *pdata-- = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
617 else for (i = 0; i < width; i++)
618 *pdata++ = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
619 }
620 }
621 }
622
623
624 /***********************************************************************
625 * BITBLT_StretchImage
626 *
627 * Stretch an X image.
628 */
629 static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage,
630 short widthSrc, short heightSrc,
631 short widthDst, short heightDst,
632 RECT *visRectSrc, RECT *visRectDst,
633 int foreground, int background, WORD mode )
634 {
635 int *rowSrc, *rowDst, *pixel;
636 int xinc, yinc, ysrc, ydst;
637 register short x, y;
638 BOOL hstretch, vstretch, hswap, vswap;
639
640 hswap = ((int)widthSrc * widthDst) < 0;
641 vswap = ((int)heightSrc * heightDst) < 0;
642 widthSrc = abs(widthSrc);
643 heightSrc = abs(heightSrc);
644 widthDst = abs(widthDst);
645 heightDst = abs(heightDst);
646
647 dprintf_bitblt( stddeb, "BITBLT_StretchImage: %dx%d -> %dx%d (mode=%d,h=%d,v=%d)\n",
648 widthSrc, heightSrc, widthDst, heightDst, mode, hswap, vswap );
649
650 if (!(rowSrc = (int *)malloc( (widthSrc+widthDst)*sizeof(int) ))) return;
651 rowDst = rowSrc + widthSrc;
652
653 /* When stretching, all modes are the same, and DELETESCANS is faster */
654 if ((widthSrc < widthDst) && (heightSrc < heightDst))
655 mode = STRETCH_DELETESCANS;
656
657 if (mode != STRETCH_DELETESCANS)
658 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
659 widthDst*sizeof(int) );
660
661 hstretch = ((widthSrc < widthDst) || (mode == STRETCH_DELETESCANS));
662 vstretch = ((heightSrc < heightDst) || (mode == STRETCH_DELETESCANS));
663 xinc = hstretch ? ((int)widthSrc << 16) / widthDst :
664 ((int)widthDst << 16) / widthSrc;
665
666 if (vstretch)
667 {
668 yinc = ((int)heightSrc << 16) / heightDst;
669 ydst = visRectDst->top;
670 ysrc = yinc * ydst + (vswap ? heightSrc<<16 : 0);
671 }
672 else
673 {
674 yinc = ((int)heightDst << 16) / heightSrc;
675 ysrc = visRectSrc->top;
676 ydst = yinc * ysrc - (vswap ? (heightDst-1)<<16 : 0);
677 }
678
679 while(vstretch ? (ydst < visRectDst->bottom) : (ysrc < visRectSrc->bottom))
680 {
681 /* Retrieve a source row */
682 BITBLT_GetRow( srcImage, rowSrc, vstretch ? ysrc >> 16 : ysrc,
683 visRectSrc->left, visRectSrc->right - visRectSrc->left,
684 dstImage->depth, foreground, background, hswap );
685
686 /* Stretch or shrink it */
687 if (hstretch)
688 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left +
689 (hswap ? widthDst : 0),
690 visRectDst->right-visRectDst->left, xinc, mode);
691 else BITBLT_ShrinkRow( rowSrc, rowDst, visRectSrc->left,
692 visRectSrc->right-visRectSrc->left, xinc, mode);
693
694 /* When shrinking, merge several source rows into the destination */
695 if (!vstretch)
696 {
697 if (mode == STRETCH_DELETESCANS)
698 {
699 /* Simply skip the overlapping rows */
700 while (((ydst + yinc) >> 16 == ydst >> 16) &&
701 (ysrc < visRectSrc->bottom-1))
702 {
703 ydst += yinc;
704 ysrc++;
705 }
706 }
707 else if (((ydst + yinc) >> 16 == ydst >> 16) &&
708 (ysrc < visRectSrc->bottom-1))
709 {
710 ydst += yinc;
711 ysrc++;
712 continue; /* Restart loop for next overlapping row */
713 }
714 }
715
716 /* Store the destination row */
717
718 pixel = rowDst + visRectDst->right - 1 + (hswap ? widthDst : 0);
719 if (vswap)
720 y = visRectDst->bottom - (vstretch ? ydst : ydst >> 16);
721 else
722 y = (vstretch ? ydst : ydst >> 16) - visRectDst->top;
723 for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--)
724 XPutPixel( dstImage, x, y, *pixel-- );
725 if (mode != STRETCH_DELETESCANS)
726 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
727 widthDst*sizeof(int) );
728
729 /* If stretching, make copies of the destination row */
730
731 if (vstretch)
732 {
733 char *pdata = dstImage->data + dstImage->bytes_per_line * y;
734 while (((ysrc + yinc) >> 16 == ysrc >> 16) &&
735 (ydst < visRectDst->bottom-1))
736 {
737 if (vswap)
738 {
739 memcpy( pdata - dstImage->bytes_per_line, pdata,
740 dstImage->bytes_per_line );
741 pdata -= dstImage->bytes_per_line;
742 }
743 else
744 {
745 memcpy( pdata + dstImage->bytes_per_line, pdata,
746 dstImage->bytes_per_line );
747 pdata += dstImage->bytes_per_line;
748 }
749 ysrc += yinc;
750 ydst++;
751 }
752 ysrc += yinc;
753 ydst++;
754 }
755 else
756 {
757 ydst += yinc;
758 ysrc++;
759 }
760 }
761
762 free( rowSrc );
763 }
764
765
766 /***********************************************************************
767 * BITBLT_GetSrcAreaStretch
768 *
769 * Retrieve an area from the source DC, stretching and mapping all the
770 * pixels to Windows colors.
771 */
772 static void BITBLT_GetSrcAreaStretch( DC *dcSrc, DC *dcDst,
773 Pixmap pixmap, GC gc,
774 short xSrc, short ySrc,
775 short widthSrc, short heightSrc,
776 short xDst, short yDst,
777 short widthDst, short heightDst,
778 RECT *visRectSrc, RECT *visRectDst )
779 {
780 XImage *imageSrc, *imageDst;
781
782 RECT rectSrc = *visRectSrc;
783 RECT rectDst = *visRectDst;
784 OffsetRect( &rectSrc, -xSrc, -ySrc );
785 OffsetRect( &rectDst, -xDst, -yDst );
786 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
787 visRectSrc->left, visRectSrc->top,
788 visRectSrc->right - visRectSrc->left,
789 visRectSrc->bottom - visRectSrc->top,
790 AllPlanes, ZPixmap );
791 XCREATEIMAGE( imageDst, rectDst.right - rectDst.left,
792 rectDst.bottom - rectDst.top, dcDst->w.bitsPerPixel );
793 BITBLT_StretchImage( imageSrc, imageDst, widthSrc, heightSrc,
794 widthDst, heightDst, &rectSrc, &rectDst,
795 dcDst->w.textPixel, dcDst->w.bitsPerPixel != 1 ?
796 dcDst->w.backgroundPixel : dcSrc->w.backgroundPixel,
797 dcDst->w.stretchBltMode );
798 XPutImage( display, pixmap, gc, imageDst, 0, 0, 0, 0,
799 rectDst.right - rectDst.left, rectDst.bottom - rectDst.top );
800 XDestroyImage( imageSrc );
801 XDestroyImage( imageDst );
802 }
803
804
805 /***********************************************************************
806 * BITBLT_GetSrcArea
807 *
808 * Retrieve an area from the source DC, mapping all the
809 * pixels to Windows colors.
810 */
811 static void BITBLT_GetSrcArea( DC *dcSrc, DC *dcDst, Pixmap pixmap, GC gc,
812 short xSrc, short ySrc,
813 RECT *visRectSrc )
814 {
815 XImage *imageSrc, *imageDst;
816 register short x, y;
817 short width = visRectSrc->right - visRectSrc->left;
818 short height = visRectSrc->bottom - visRectSrc->top;
819
820 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
821 {
822 if (!COLOR_PixelToPalette ||
823 (dcDst->w.bitsPerPixel == 1)) /* monochrome -> monochrome */
824 {
825 XCopyArea( display, dcSrc->u.x.drawable, pixmap, gc,
826 visRectSrc->left, visRectSrc->top, width, height, 0, 0);
827 }
828 else /* color -> color */
829 {
830 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
831 visRectSrc->left, visRectSrc->top,
832 width, height, AllPlanes, ZPixmap );
833 for (y = 0; y < height; y++)
834 for (x = 0; x < width; x++)
835 XPutPixel(imageSrc, x, y,
836 COLOR_PixelToPalette[XGetPixel(imageSrc, x, y)]);
837 XPutImage( display, pixmap, gc, imageSrc,
838 0, 0, 0, 0, width, height );
839 XDestroyImage( imageSrc );
840 }
841 }
842 else
843 {
844 if (dcSrc->w.bitsPerPixel == 1) /* monochrome -> color */
845 {
846 if (COLOR_PixelToPalette)
847 {
848 XSetBackground( display, gc,
849 COLOR_PixelToPalette[dcDst->w.textPixel] );
850 XSetForeground( display, gc,
851 COLOR_PixelToPalette[dcDst->w.backgroundPixel]);
852 }
853 else
854 {
855 XSetBackground( display, gc, dcDst->w.textPixel );
856 XSetForeground( display, gc, dcDst->w.backgroundPixel );
857 }
858 XCopyPlane( display, dcSrc->u.x.drawable, pixmap, gc,
859 visRectSrc->left, visRectSrc->top,
860 width, height, 0, 0, 1 );
861 }
862 else /* color -> monochrome */
863 {
864 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
865 visRectSrc->left, visRectSrc->top,
866 width, height, AllPlanes, ZPixmap );
867 XCREATEIMAGE( imageDst, width, height, dcDst->w.bitsPerPixel );
868 for (y = 0; y < height; y++)
869 for (x = 0; x < width; x++)
870 XPutPixel(imageDst, x, y, (XGetPixel(imageSrc,x,y) ==
871 dcSrc->w.backgroundPixel) );
872 XPutImage( display, pixmap, gc, imageDst,
873 0, 0, 0, 0, width, height );
874 XDestroyImage( imageSrc );
875 XDestroyImage( imageDst );
876 }
877 }
878 }
879
880
881 /***********************************************************************
882 * BITBLT_GetDstArea
883 *
884 * Retrieve an area from the destination DC, mapping all the
885 * pixels to Windows colors.
886 */
887 static void BITBLT_GetDstArea( DC *dc, Pixmap pixmap, GC gc, RECT *visRectDst )
888 {
889 short width = visRectDst->right - visRectDst->left;
890 short height = visRectDst->bottom - visRectDst->top;
891
892 if (!COLOR_PixelToPalette || (dc->w.bitsPerPixel == 1))
893 {
894 XCopyArea( display, dc->u.x.drawable, pixmap, gc,
895 visRectDst->left, visRectDst->top, width, height, 0, 0 );
896 }
897 else
898 {
899 register short x, y;
900 XImage *image = XGetImage( display, dc->u.x.drawable,
901 visRectDst->left, visRectDst->top,
902 width, height, AllPlanes, ZPixmap );
903 for (y = 0; y < height; y++)
904 for (x = 0; x < width; x++)
905 XPutPixel( image, x, y,
906 COLOR_PixelToPalette[XGetPixel( image, x, y )]);
907 XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, width, height );
908 }
909 }
910
911
912 /***********************************************************************
913 * BITBLT_PutDstArea
914 *
915 * Put an area back into the destination DC, mapping the pixel
916 * colors to X pixels.
917 */
918 static void BITBLT_PutDstArea( DC *dc, Pixmap pixmap, GC gc, RECT *visRectDst )
919 {
920 short width = visRectDst->right - visRectDst->left;
921 short height = visRectDst->bottom - visRectDst->top;
922
923 if (!COLOR_PaletteToPixel)
924 {
925 XCopyArea( display, pixmap, dc->u.x.drawable, gc, 0, 0,
926 width, height, visRectDst->left, visRectDst->top );
927 }
928 else
929 {
930 register short x, y;
931 XImage *image = XGetImage( display, pixmap, 0, 0, width, height,
932 AllPlanes, ZPixmap );
933 for (y = 0; y < height; y++)
934 for (x = 0; x < width; x++)
935 {
936 XPutPixel( image, x, y,
937 COLOR_PaletteToPixel[XGetPixel( image, x, y )]);
938 }
939 XPutImage( display, dc->u.x.drawable, gc, image, 0, 0,
940 visRectDst->left, visRectDst->top, width, height );
941 XDestroyImage( image );
942 }
943 }
944
945
946 /***********************************************************************
947 * BITBLT_GetVisRectangles
948 *
949 * Get the source and destination visible rectangles for StretchBlt().
950 * Return FALSE if one of the rectangles is empty.
951 */
952 static BOOL BITBLT_GetVisRectangles( DC *dcDst, short xDst, short yDst,
953 short widthDst, short heightDst,
954 DC *dcSrc, short xSrc, short ySrc,
955 short widthSrc, short heightSrc,
956 RECT *visRectSrc, RECT *visRectDst )
957 {
958 RECT tmpRect, clipRect;
959
960 if (widthSrc < 0) { widthSrc = -widthSrc; xSrc -= widthSrc; }
961 if (widthDst < 0) { widthDst = -widthDst; xDst -= widthDst; }
962 if (heightSrc < 0) { heightSrc = -heightSrc; ySrc -= heightSrc; }
963 if (heightDst < 0) { heightDst = -heightDst; yDst -= heightDst; }
964
965 /* Get the destination visible rectangle */
966
967 SetRect( &tmpRect, xDst, yDst, xDst + widthDst, yDst + heightDst );
968 GetRgnBox( dcDst->w.hGCClipRgn, &clipRect );
969 OffsetRect( &clipRect, dcDst->w.DCOrgX, dcDst->w.DCOrgY );
970 if (!IntersectRect( visRectDst, &tmpRect, &clipRect )) return FALSE;
971
972 /* Get the source visible rectangle */
973
974 if (!dcSrc) return TRUE;
975 SetRect( &tmpRect, xSrc, ySrc, xSrc + widthSrc, ySrc + heightSrc );
976 /* Apparently the clip region is only for output, so use hVisRgn here */
977 GetRgnBox( dcSrc->w.hVisRgn, &clipRect );
978 OffsetRect( &clipRect, dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
979 if (!IntersectRect( visRectSrc, &tmpRect, &clipRect )) return FALSE;
980
981 /* Intersect the rectangles */
982
983 if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */
984 {
985 OffsetRect( visRectSrc, xDst - xSrc, yDst - ySrc );
986 if (!IntersectRect( &tmpRect, visRectSrc, visRectDst )) return FALSE;
987 *visRectSrc = *visRectDst = tmpRect;
988 OffsetRect( visRectSrc, xSrc - xDst, ySrc - yDst );
989 }
990 else /* stretching */
991 {
992 visRectSrc->left = xDst + (visRectSrc->left-xSrc)*widthDst/widthSrc;
993 visRectSrc->top = yDst + (visRectSrc->top-ySrc)*heightDst/heightSrc;
994 visRectSrc->right = xDst +
995 ((visRectSrc->right-xSrc) * widthDst) / widthSrc;
996 visRectSrc->bottom = yDst +
997 ((visRectSrc->bottom-ySrc) * heightDst) / heightSrc;
998 if (!IntersectRect( &tmpRect, visRectSrc, visRectDst )) return FALSE;
999 *visRectSrc = *visRectDst = tmpRect;
1000 visRectSrc->left = xSrc + (visRectSrc->left-xDst)*widthSrc/widthDst;
1001 visRectSrc->top = ySrc + (visRectSrc->top-yDst)*heightSrc/heightDst;
1002 visRectSrc->right = xSrc +
1003 ((visRectSrc->right-xDst) * widthSrc) / widthDst;
1004 visRectSrc->bottom = ySrc +
1005 ((visRectSrc->bottom-yDst) * heightSrc) / heightDst;
1006 if (IsRectEmpty( visRectSrc )) return FALSE;
1007 }
1008 return TRUE;
1009 }
1010
1011
1012 /***********************************************************************
1013 * BITBLT_InternalStretchBlt
1014 *
1015 * Implementation of PatBlt(), BitBlt() and StretchBlt().
1016 */
1017 BOOL BITBLT_InternalStretchBlt( DC *dcDst, short xDst, short yDst,
1018 short widthDst, short heightDst,
1019 DC *dcSrc, short xSrc, short ySrc,
1020 short widthSrc, short heightSrc, DWORD rop )
1021 {
1022 BOOL usePat, useSrc, useDst, destUsed, fStretch, fNullBrush;
1023 RECT visRectDst, visRectSrc;
1024 short width, height;
1025 const BYTE *opcode;
1026 Pixmap pixmaps[3] = { 0, 0, 0 }; /* pixmaps for DST, SRC, TMP */
1027 GC tmpGC = 0;
1028
1029 usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000));
1030 useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000));
1031 useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000));
1032 if (!dcSrc && useSrc) return FALSE;
1033
1034 /* Map the coordinates to device coords */
1035
1036 xDst = dcDst->w.DCOrgX + XLPTODP( dcDst, xDst );
1037 yDst = dcDst->w.DCOrgY + YLPTODP( dcDst, yDst );
1038 widthDst = widthDst * dcDst->w.VportExtX / dcDst->w.WndExtX;
1039 heightDst = heightDst * dcDst->w.VportExtY / dcDst->w.WndExtY;
1040
1041 dprintf_bitblt( stddeb, " vportdst=%d,%d-%d,%d wnddst=%d,%d-%d,%d\n",
1042 dcDst->w.VportOrgX, dcDst->w.VportOrgY,
1043 dcDst->w.VportExtX, dcDst->w.VportExtY,
1044 dcDst->w.WndOrgX, dcDst->w.WndOrgY,
1045 dcDst->w.WndExtX, dcDst->w.WndExtY );
1046 dprintf_bitblt( stddeb, " rectdst=%d,%d-%d,%d orgdst=%d,%d\n",
1047 xDst, yDst, widthDst, heightDst,
1048 dcDst->w.DCOrgX, dcDst->w.DCOrgY );
1049
1050 if (useSrc)
1051 {
1052 xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc );
1053 ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc );
1054 widthSrc = widthSrc * dcSrc->w.VportExtX / dcSrc->w.WndExtX;
1055 heightSrc = heightSrc * dcSrc->w.VportExtY / dcSrc->w.WndExtY;
1056 fStretch = (widthSrc != widthDst) || (heightSrc != heightDst);
1057 dprintf_bitblt( stddeb," vportsrc=%d,%d-%d,%d wndsrc=%d,%d-%d,%d\n",
1058 dcSrc->w.VportOrgX, dcSrc->w.VportOrgY,
1059 dcSrc->w.VportExtX, dcSrc->w.VportExtY,
1060 dcSrc->w.WndOrgX, dcSrc->w.WndOrgY,
1061 dcSrc->w.WndExtX, dcSrc->w.WndExtY );
1062 dprintf_bitblt( stddeb, " rectsrc=%d,%d-%d,%d orgsrc=%d,%d\n",
1063 xSrc, ySrc, widthSrc, heightSrc,
1064 dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
1065 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1066 dcSrc, xSrc, ySrc, widthSrc, heightSrc,
1067 &visRectSrc, &visRectDst ))
1068 return TRUE;
1069 dprintf_bitblt( stddeb, " vissrc=%d,%d-%d,%d visdst=%d,%d-%d,%d\n",
1070 visRectSrc.left, visRectSrc.top,
1071 visRectSrc.right, visRectSrc.bottom,
1072 visRectDst.left, visRectDst.top,
1073 visRectDst.right, visRectDst.bottom );
1074 }
1075 else
1076 {
1077 fStretch = FALSE;
1078 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1079 NULL, 0, 0, 0, 0, NULL, &visRectDst ))
1080 return TRUE;
1081 dprintf_bitblt( stddeb, " vissrc=none visdst=%d,%d-%d,%d\n",
1082 visRectDst.left, visRectDst.top,
1083 visRectDst.right, visRectDst.bottom );
1084 }
1085
1086 width = visRectDst.right - visRectDst.left;
1087 height = visRectDst.bottom - visRectDst.top;
1088
1089 if (!fStretch) switch(rop) /* A few optimisations */
1090 {
1091 case BLACKNESS: /* 0x00 */
1092 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1093 XSetFunction( display, dcDst->u.x.gc, GXclear );
1094 else
1095 {
1096 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1097 XSetForeground( display, dcDst->u.x.gc, COLOR_PaletteToPixel[0] );
1098 XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
1099 }
1100 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1101 visRectDst.left, visRectDst.top, width, height );
1102 return TRUE;
1103
1104 case PATINVERT: /* 0x5a */
1105 /* FIXME: This is not really correct, but for now PATINVERT is */
1106 /* used to draw the window moving frame, so it has to be fast. */
1107 if (!DC_SetupGCForBrush( dcDst )) return TRUE;
1108 XSetFunction( display, dcDst->u.x.gc, GXxor );
1109 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1110 visRectDst.left, visRectDst.top, width, height );
1111 return TRUE;
1112
1113 case SRCCOPY: /* 0xcc */
1114 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
1115 {
1116 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1117 XCopyArea( display, dcSrc->u.x.drawable,
1118 dcDst->u.x.drawable, dcDst->u.x.gc,
1119 visRectSrc.left, visRectSrc.top,
1120 width, height, visRectDst.left, visRectDst.top );
1121 return TRUE;
1122 }
1123 if (dcSrc->w.bitsPerPixel == 1)
1124 {
1125 XSetBackground( display, dcDst->u.x.gc, dcDst->w.textPixel );
1126 XSetForeground( display, dcDst->u.x.gc, dcDst->w.backgroundPixel );
1127 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1128 XCopyPlane( display, dcSrc->u.x.drawable,
1129 dcDst->u.x.drawable, dcDst->u.x.gc,
1130 visRectSrc.left, visRectSrc.top,
1131 width, height, visRectDst.left, visRectDst.top, 1 );
1132 return TRUE;
1133 }
1134 break;
1135
1136 case PATCOPY: /* 0xf0 */
1137 if (!DC_SetupGCForBrush( dcDst )) return TRUE;
1138 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1139 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1140 visRectDst.left, visRectDst.top, width, height );
1141 return TRUE;
1142
1143 case WHITENESS: /* 0xff */
1144 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1145 XSetFunction( display, dcDst->u.x.gc, GXset );
1146 else
1147 {
1148 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1149 XSetForeground( display, dcDst->u.x.gc,
1150 COLOR_PaletteToPixel[COLOR_ColormapSize-1] );
1151 XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
1152 }
1153 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1154 visRectDst.left, visRectDst.top, width, height );
1155 return TRUE;
1156 }
1157
1158 tmpGC = XCreateGC( display, dcDst->u.x.drawable, 0, NULL );
1159 pixmaps[DST] = XCreatePixmap( display, rootWindow, width, height,
1160 dcDst->w.bitsPerPixel );
1161 if (useSrc)
1162 {
1163 pixmaps[SRC] = XCreatePixmap( display, rootWindow, width, height,
1164 dcDst->w.bitsPerPixel );
1165 if (fStretch)
1166 BITBLT_GetSrcAreaStretch( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1167 xSrc, ySrc, widthSrc, heightSrc,
1168 xDst, yDst, widthDst, heightDst,
1169 &visRectSrc, &visRectDst );
1170 else
1171 BITBLT_GetSrcArea( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1172 xSrc, ySrc, &visRectSrc );
1173 }
1174 if (useDst) BITBLT_GetDstArea( dcDst, pixmaps[DST], tmpGC, &visRectDst );
1175 if (usePat) fNullBrush = !DC_SetupGCForPatBlt( dcDst, tmpGC, TRUE );
1176 else fNullBrush = FALSE;
1177 destUsed = FALSE;
1178
1179 for (opcode = BITBLT_Opcodes[(rop >> 16) & 0xff]; *opcode; opcode++)
1180 {
1181 if (OP_DST(*opcode) == DST) destUsed = TRUE;
1182 XSetFunction( display, tmpGC, OP_ROP(*opcode) );
1183 switch(OP_SRCDST(*opcode))
1184 {
1185 case OP_ARGS(DST,TMP):
1186 case OP_ARGS(SRC,TMP):
1187 if (!pixmaps[TMP])
1188 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1189 width, height,
1190 dcDst->w.bitsPerPixel );
1191 /* fall through */
1192 case OP_ARGS(DST,SRC):
1193 case OP_ARGS(SRC,DST):
1194 case OP_ARGS(TMP,SRC):
1195 case OP_ARGS(TMP,DST):
1196 XCopyArea( display, pixmaps[OP_SRC(*opcode)],
1197 pixmaps[OP_DST(*opcode)], tmpGC,
1198 0, 0, width, height, 0, 0 );
1199 break;
1200
1201 case OP_ARGS(PAT,TMP):
1202 if (!pixmaps[TMP] && !fNullBrush)
1203 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1204 width, height,
1205 dcDst->w.bitsPerPixel );
1206 /* fall through */
1207 case OP_ARGS(PAT,DST):
1208 case OP_ARGS(PAT,SRC):
1209 if (!fNullBrush)
1210 XFillRectangle( display, pixmaps[OP_DST(*opcode)],
1211 tmpGC, 0, 0, width, height );
1212 break;
1213 }
1214 }
1215 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1216 BITBLT_PutDstArea( dcDst, pixmaps[destUsed ? DST : SRC],
1217 dcDst->u.x.gc, &visRectDst );
1218 XFreePixmap( display, pixmaps[DST] );
1219 if (pixmaps[SRC]) XFreePixmap( display, pixmaps[SRC] );
1220 if (pixmaps[TMP]) XFreePixmap( display, pixmaps[TMP] );
1221 XFreeGC( display, tmpGC );
1222 return TRUE;
1223 }
1224
1225
1226 /***********************************************************************
1227 * PatBlt (GDI.29)
1228 */
1229 BOOL PatBlt( HDC hdc, short left, short top,
1230 short width, short height, DWORD rop)
1231 {
1232 DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1233 if (!dc)
1234 {
1235 dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
1236 if (!dc) return FALSE;
1237 MF_MetaParam6(dc, META_PATBLT, left, top, width, height,
1238 HIWORD(rop), LOWORD(rop));
1239 return TRUE;
1240 }
1241
1242 dprintf_bitblt(stddeb, "PatBlt: %04x %d,%d %dx%d %06lx\n",
1243 hdc, left, top, width, height, rop );
1244
1245 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1246 dc, left, top, width, height,
1247 NULL, 0, 0, 0, 0, rop );
1248 }
1249
1250
1251 /***********************************************************************
1252 * BitBlt (GDI.34)
1253 */
1254 BOOL BitBlt( HDC hdcDst, INT xDst, INT yDst, INT width, INT height,
1255 HDC hdcSrc, INT xSrc, INT ySrc, DWORD rop )
1256 {
1257 DC *dcDst, *dcSrc;
1258
1259 if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, DC_MAGIC )))
1260 {
1261 dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC );
1262 if (!dcDst) return FALSE;
1263 return MF_BitBlt( dcDst, xDst, yDst, width, height,
1264 hdcSrc, xSrc, ySrc, rop );
1265 }
1266 dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC );
1267
1268 dprintf_bitblt(stddeb,
1269 "BitBlt: %04x %d,%d %d bpp -> %04x %d,%d %dx%dx%d rop=%06lx\n",
1270 hdcSrc, xSrc, ySrc, dcSrc ? dcSrc->w.bitsPerPixel : 0,
1271 hdcDst, xDst, yDst, width, height, dcDst->w.bitsPerPixel, rop);
1272
1273 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1274 dcDst, xDst, yDst, width, height,
1275 dcSrc, xSrc, ySrc, width, height, rop );
1276 }
1277
1278
1279 /***********************************************************************
1280 * StretchBlt (GDI.35)
1281 */
1282 BOOL StretchBlt( HDC hdcDst, short xDst, short yDst,
1283 short widthDst, short heightDst,
1284 HDC hdcSrc, short xSrc, short ySrc,
1285 short widthSrc, short heightSrc, DWORD rop )
1286 {
1287 DC *dcDst, *dcSrc;
1288
1289 if (!(dcDst = (DC *) GDI_GetObjPtr( hdcDst, DC_MAGIC )))
1290 {
1291 if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC )))
1292 return FALSE;
1293 return MF_StretchBlt( dcDst, xDst, yDst, widthDst, heightDst,
1294 hdcSrc, xSrc, ySrc, widthSrc, heightSrc, rop );
1295 }
1296
1297 dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC );
1298 dprintf_bitblt(stddeb,
1299 "StretchBlt: %04x %d,%d %dx%dx%d -> %04x %d,%d %dx%dx%d rop=%06lx\n",
1300 hdcSrc, xSrc, ySrc, widthSrc, heightSrc,
1301 dcSrc ? dcSrc->w.bitsPerPixel : 0, hdcDst, xDst, yDst,
1302 widthDst, heightDst, dcDst->w.bitsPerPixel, rop );
1303
1304 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1305 dcDst, xDst, yDst, widthDst, heightDst,
1306 dcSrc, xSrc, ySrc, widthSrc, heightSrc, rop );
1307 }
1308 /***********************************************************************
1309 * FastWindowFrame (GDI.400)
1310 */
1311 WORD
1312 FastWindowFrame(WORD x1,DWORD x2,WORD x3,WORD x4,DWORD x5) {
1313 dprintf_gdi(stdnimp,"FastWindowFrame (%04x, %08lx, %04x, %04x, %08lx) // unimplemented!\n",x1,x2,x3,x4,x5);
1314 return 0xFFFF; /* failed? */
1315 }
Windows API implementation