?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
New debug scheme with explicit debug channels declaration.
[wine.git] / graphics / x11drv / bitblt.c
blob565f1d77a1611bf1828edbfebccbf5e983b11265
1 /*
2 * GDI bit-blit operations
3 *
4 * Copyright 1993, 1994 Alexandre Julliard
5 */
6
7 #include "config.h"
8
9 #ifndef X_DISPLAY_MISSING
10
11 #include <X11/Intrinsic.h>
12 #include "ts_xlib.h"
13
14 #include <assert.h>
15 #include <stdio.h>
16 #include <stdlib.h>
17 #include "bitmap.h"
18 #include "callback.h"
19 #include "color.h"
20 #include "dc.h"
21 #include "metafile.h"
22 #include "options.h"
23 #include "x11drv.h"
24 #include "debug.h"
25 #include "xmalloc.h" /* for XCREATEIMAGE macro */
26
27 DEFAULT_DEBUG_CHANNEL(bitblt)
28
29
30 #define DST 0 /* Destination drawable */
31 #define SRC 1 /* Source drawable */
32 #define TMP 2 /* Temporary drawable */
33 #define PAT 3 /* Pattern (brush) in destination DC */
34
35 #define OP(src,dst,rop) (OP_ARGS(src,dst) << 4 | (rop))
36 #define OP_ARGS(src,dst) (((src) << 2) | (dst))
37
38 #define OP_SRC(opcode) ((opcode) >> 6)
39 #define OP_DST(opcode) (((opcode) >> 4) & 3)
40 #define OP_SRCDST(opcode) ((opcode) >> 4)
41 #define OP_ROP(opcode) ((opcode) & 0x0f)
42
43 #define MAX_OP_LEN 6 /* Longest opcode + 1 for the terminating 0 */
44
45 #define SWAP_INT32(i1,i2) \
46 do { INT __t = *(i1); *(i1) = *(i2); *(i2) = __t; } while(0)
47
48 static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] =
49 {
50 { OP(PAT,DST,GXclear) }, /* 0x00 0 */
51 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnor) }, /* 0x01 ~(D|(P|S)) */
52 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXand) }, /* 0x02 D&~(P|S) */
53 { OP(PAT,SRC,GXnor) }, /* 0x03 ~(P|S) */
54 { OP(PAT,DST,GXnor), OP(SRC,DST,GXand) }, /* 0x04 S&~(D|P) */
55 { OP(PAT,DST,GXnor) }, /* 0x05 ~(D|P) */
56 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnor), }, /* 0x06 ~(P|~(D^S)) */
57 { OP(SRC,DST,GXand), OP(PAT,DST,GXnor) }, /* 0x07 ~(P|(D&S)) */
58 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXand) },/* 0x08 S&D&~P */
59 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnor) }, /* 0x09 ~(P|(D^S)) */
60 { OP(PAT,DST,GXandInverted) }, /* 0x0a D&~P */
61 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXnor) }, /* 0x0b ~(P|(S&~D)) */
62 { OP(PAT,SRC,GXandInverted) }, /* 0x0c S&~P */
63 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXnor) },/* 0x0d ~(P|(D&~S)) */
64 { OP(SRC,DST,GXnor), OP(PAT,DST,GXnor) }, /* 0x0e ~(P|~(D|S)) */
65 { OP(PAT,DST,GXcopyInverted) }, /* 0x0f ~P */
66 { OP(SRC,DST,GXnor), OP(PAT,DST,GXand) }, /* 0x10 P&~(S|D) */
67 { OP(SRC,DST,GXnor) }, /* 0x11 ~(D|S) */
68 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnor) }, /* 0x12 ~(S|~(D^P)) */
69 { OP(PAT,DST,GXand), OP(SRC,DST,GXnor) }, /* 0x13 ~(S|(D&P)) */
70 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnor) }, /* 0x14 ~(D|~(P^S)) */
71 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnor) }, /* 0x15 ~(D|(P&S)) */
72 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
73 OP(TMP,DST,GXand), OP(SRC,DST,GXxor),
74 OP(PAT,DST,GXxor) }, /* 0x16 P^S^(D&~(P&S) */
75 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
76 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
77 OP(TMP,DST,GXequiv) }, /* 0x17 ~S^((S^P)&(S^D))*/
78 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
79 OP(SRC,DST,GXand) }, /* 0x18 (S^P)&(D^P) */
80 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
81 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x19 ~S^(D&~(P&S)) */
82 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
83 OP(PAT,DST,GXxor) }, /* 0x1a P^(D|(S&P)) */
84 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXxor),
85 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x1b ~S^(D&(P^S)) */
86 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
87 OP(PAT,DST,GXxor) }, /* 0x1c P^(S|(D&P)) */
88 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
89 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1d ~D^(S&(D^P)) */
90 { OP(SRC,DST,GXor), OP(PAT,DST,GXxor) }, /* 0x1e P^(D|S) */
91 { OP(SRC,DST,GXor), OP(PAT,DST,GXnand) }, /* 0x1f ~(P&(D|S)) */
92 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXand) }, /* 0x20 D&(P&~S) */
93 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnor) }, /* 0x21 ~(S|(D^P)) */
94 { OP(SRC,DST,GXandInverted) }, /* 0x22 ~S&D */
95 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x23 ~(S|(P&~D)) */
96 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
97 OP(SRC,DST,GXand) }, /* 0x24 (S^P)&(S^D) */
98 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand),
99 OP(PAT,DST,GXequiv) }, /* 0x25 ~P^(D&~(S&P)) */
100 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
101 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x26 S^(D|(S&P)) */
102 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXequiv),
103 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x27 S^(D|~(P^S)) */
104 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand) }, /* 0x28 D&(P^S) */
105 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
106 OP(TMP,DST,GXor), OP(SRC,DST,GXxor),
107 OP(PAT,DST,GXequiv) }, /* 0x29 ~P^S^(D|(P&S)) */
108 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand) }, /* 0x2a D&~(P&S) */
109 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
110 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
111 OP(TMP,DST,GXequiv) }, /* 0x2b ~S^((P^S)&(P^D))*/
112 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
113 OP(SRC,DST,GXxor) }, /* 0x2c S^(P&(S|D)) */
114 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXxor) }, /* 0x2d P^(S|~D) */
115 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
116 OP(PAT,DST,GXxor) }, /* 0x2e P^(S|(D^P)) */
117 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXnand) }, /* 0x2f ~(P&(S|~D)) */
118 { OP(PAT,SRC,GXandReverse) }, /* 0x30 P&~S */
119 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXnor) },/* 0x31 ~(S|(D&~P)) */
120 { OP(SRC,DST,GXor), OP(PAT,DST,GXor),
121 OP(SRC,DST,GXxor) }, /* 0x32 S^(D|P|S) */
122 { OP(SRC,DST,GXcopyInverted) }, /* 0x33 ~S */
123 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
124 OP(SRC,DST,GXxor) }, /* 0x34 S^(P|(D&S)) */
125 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor),
126 OP(SRC,DST,GXxor) }, /* 0x35 S^(P|~(D^S)) */
127 { OP(PAT,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x36 S^(D|P) */
128 { OP(PAT,DST,GXor), OP(SRC,DST,GXnand) }, /* 0x37 ~(S&(D|P)) */
129 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
130 OP(PAT,DST,GXxor) }, /* 0x38 P^(S&(D|P)) */
131 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x39 S^(P|~D) */
132 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
133 OP(SRC,DST,GXxor) }, /* 0x3a S^(P|(D^S)) */
134 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x3b ~(S&(P|~D)) */
135 { OP(PAT,SRC,GXxor) }, /* 0x3c P^S */
136 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
137 OP(SRC,DST,GXxor) }, /* 0x3d S^(P|~(D|S)) */
138 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
139 OP(SRC,DST,GXxor) }, /* 0x3e S^(P|(D&~S)) */
140 { OP(PAT,SRC,GXnand) }, /* 0x3f ~(P&S) */
141 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXand) }, /* 0x40 P&S&~D */
142 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnor) }, /* 0x41 ~(D|(P^S)) */
143 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
144 OP(SRC,DST,GXand) }, /* 0x42 (S^D)&(P^D) */
145 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
146 OP(SRC,DST,GXequiv) }, /* 0x43 ~S^(P&~(D&S)) */
147 { OP(SRC,DST,GXandReverse) }, /* 0x44 S&~D */
148 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x45 ~(D|(P&~S)) */
149 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
150 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x46 D^(S|(P&D)) */
151 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
152 OP(PAT,DST,GXequiv) }, /* 0x47 ~P^(S&(D^P)) */
153 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand) }, /* 0x48 S&(P^D) */
154 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
155 OP(SRC,DST,GXor), OP(TMP,DST,GXxor),
156 OP(PAT,DST,GXequiv) }, /* 0x49 ~P^D^(S|(P&D)) */
157 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
158 OP(SRC,DST,GXxor) }, /* 0x4a D^(P&(S|D)) */
159 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXxor) }, /* 0x4b P^(D|~S) */
160 { OP(PAT,DST,GXnand), OP(SRC,DST,GXand) }, /* 0x4c S&~(D&P) */
161 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
162 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
163 OP(TMP,DST,GXequiv) }, /* 0x4d ~S^((S^P)|(S^D))*/
164 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
165 OP(PAT,DST,GXxor) }, /* 0x4e P^(D|(S^P)) */
166 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXnand) },/* 0x4f ~(P&(D|~S)) */
167 { OP(PAT,DST,GXandReverse) }, /* 0x50 P&~D */
168 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXnor) },/* 0x51 ~(D|(S&~P)) */
169 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
170 OP(SRC,DST,GXxor) }, /* 0x52 D^(P|(S&D)) */
171 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
172 OP(SRC,DST,GXequiv) }, /* 0x53 ~S^(P&(D^S)) */
173 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXnor) }, /* 0x54 ~(D|~(P|S)) */
174 { OP(PAT,DST,GXinvert) }, /* 0x55 ~D */
175 { OP(PAT,SRC,GXor), OP(SRC,DST,GXxor) }, /* 0x56 D^(P|S) */
176 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnand) }, /* 0x57 ~(D&(P|S)) */
177 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
178 OP(PAT,DST,GXxor) }, /* 0x58 P^(D&(P|S)) */
179 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x59 D^(P|~S) */
180 { OP(PAT,DST,GXxor) }, /* 0x5a D^P */
181 { OP(DST,SRC,GXnor), OP(PAT,SRC,GXor),
182 OP(SRC,DST,GXxor) }, /* 0x5b D^(P|~(S|D)) */
183 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
184 OP(SRC,DST,GXxor) }, /* 0x5c D^(P|(S^D)) */
185 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x5d ~(D&(P|~S)) */
186 { OP(DST,SRC,GXandInverted), OP(PAT,SRC,GXor),
187 OP(SRC,DST,GXxor) }, /* 0x5e D^(P|(S&~D)) */
188 { OP(PAT,DST,GXnand) }, /* 0x5f ~(D&P) */
189 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand) }, /* 0x60 P&(D^S) */
190 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
191 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
192 OP(TMP,DST,GXequiv) }, /* 0x61 ~D^S^(P|(D&S)) */
193 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
194 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x62 D^(S&(P|D)) */
195 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x63 S^(D|~P) */
196 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
197 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x64 S^(D&(P|S)) */
198 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x65 D^(S|~P) */
199 { OP(SRC,DST,GXxor) }, /* 0x66 S^D */
200 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
201 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x67 S^(D|~(S|P) */
202 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnor),
203 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
204 OP(TMP,DST,GXequiv) }, /* 0x68 ~D^S^(P|~(D|S))*/
205 { OP(SRC,DST,GXxor), OP(PAT,DST,GXequiv) }, /* 0x69 ~P^(D^S) */
206 { OP(PAT,SRC,GXand), OP(SRC,DST,GXxor) }, /* 0x6a D^(P&S) */
207 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
208 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
209 OP(PAT,DST,GXequiv) }, /* 0x6b ~P^S^(D&(P|S)) */
210 { OP(PAT,DST,GXand), OP(SRC,DST,GXxor) }, /* 0x6c S^(D&P) */
211 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
212 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
213 OP(PAT,DST,GXequiv) }, /* 0x6d ~P^D^(S&(P|D)) */
214 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
215 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x6e S^(D&(P|~S)) */
216 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnand) }, /* 0x6f ~(P&~(S^D)) */
217 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand) }, /* 0x70 P&~(D&S) */
218 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
219 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
220 OP(TMP,DST,GXequiv) }, /* 0x71 ~S^((S^D)&(P^D))*/
221 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
222 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x72 S^(D|(P^S)) */
223 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXnand) },/* 0x73 ~(S&(D|~P)) */
224 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
225 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x74 D^(S|(P^D)) */
226 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXnand) },/* 0x75 ~(D&(S|~P)) */
227 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
228 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x76 S^(D|(P&~S)) */
229 { OP(SRC,DST,GXnand) }, /* 0x77 ~(S&D) */
230 { OP(SRC,DST,GXand), OP(PAT,DST,GXxor) }, /* 0x78 P^(D&S) */
231 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
232 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
233 OP(TMP,DST,GXequiv) }, /* 0x79 ~D^S^(P&(D|S)) */
234 { OP(DST,SRC,GXorInverted), OP(PAT,SRC,GXand),
235 OP(SRC,DST,GXxor) }, /* 0x7a D^(P&(S|~D)) */
236 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7b ~(S&~(D^P)) */
237 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
238 OP(SRC,DST,GXxor) }, /* 0x7c S^(P&(D|~S)) */
239 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7d ~(D&~(P^S)) */
240 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
241 OP(SRC,DST,GXor) }, /* 0x7e (S^P)|(S^D) */
242 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnand) }, /* 0x7f ~(D&P&S) */
243 { OP(PAT,SRC,GXand), OP(SRC,DST,GXand) }, /* 0x80 D&P&S */
244 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
245 OP(SRC,DST,GXnor) }, /* 0x81 ~((S^P)|(S^D)) */
246 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXand) }, /* 0x82 D&~(P^S) */
247 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
248 OP(SRC,DST,GXequiv) }, /* 0x83 ~S^(P&(D|~S)) */
249 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXand) }, /* 0x84 S&~(D^P) */
250 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand),
251 OP(PAT,DST,GXequiv) }, /* 0x85 ~P^(D&(S|~P)) */
252 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
253 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
254 OP(TMP,DST,GXxor) }, /* 0x86 D^S^(P&(D|S)) */
255 { OP(SRC,DST,GXand), OP(PAT,DST,GXequiv) }, /* 0x87 ~P^(D&S) */
256 { OP(SRC,DST,GXand) }, /* 0x88 S&D */
257 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
258 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x89 ~S^(D|(P&~S)) */
259 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8a D&(S|~P) */
260 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
261 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8b ~D^(S|(P^D)) */
262 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8c S&(D|~P) */
263 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
264 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8d ~S^(D|(P^S)) */
265 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
266 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
267 OP(TMP,DST,GXxor) }, /* 0x8e S^((S^D)&(P^D))*/
268 { OP(SRC,DST,GXnand), OP(PAT,DST,GXnand) }, /* 0x8f ~(P&~(D&S)) */
269 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXand) }, /* 0x90 P&~(D^S) */
270 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
271 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x91 ~S^(D&(P|~S)) */
272 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
273 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
274 OP(TMP,DST,GXxor) }, /* 0x92 D^P^(S&(D|P)) */
275 { OP(PAT,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x93 ~S^(P&D) */
276 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
277 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
278 OP(TMP,DST,GXxor) }, /* 0x94 S^P^(D&(P|S)) */
279 { OP(PAT,SRC,GXand), OP(SRC,DST,GXequiv) }, /* 0x95 ~D^(P&S) */
280 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXxor) }, /* 0x96 D^P^S */
281 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
282 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
283 OP(TMP,DST,GXxor) }, /* 0x97 S^P^(D|~(P|S)) */
284 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
285 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x98 ~S^(D|~(P|S)) */
286 { OP(SRC,DST,GXequiv) }, /* 0x99 ~S^D */
287 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9a D^(P&~S) */
288 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
289 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9b ~S^(D&(P|S)) */
290 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9c S^(P&~D) */
291 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
292 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9d ~D^(S&(P|D)) */
293 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
294 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
295 OP(TMP,DST,GXxor) }, /* 0x9e D^S^(P|(D&S)) */
296 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnand) }, /* 0x9f ~(P&(D^S)) */
297 { OP(PAT,DST,GXand) }, /* 0xa0 D&P */
298 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor),
299 OP(PAT,DST,GXequiv) }, /* 0xa1 ~P^(D|(S&~P)) */
300 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXand) }, /* 0xa2 D&(P|~S) */
301 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
302 OP(SRC,DST,GXequiv) }, /* 0xa3 ~D^(P|(S^D)) */
303 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor),
304 OP(PAT,DST,GXequiv) }, /* 0xa4 ~P^(D|~(S|P)) */
305 { OP(PAT,DST,GXequiv) }, /* 0xa5 ~P^D */
306 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXxor) },/* 0xa6 D^(S&~P) */
307 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
308 OP(PAT,DST,GXequiv) }, /* 0xa7 ~P^(D&(S|P)) */
309 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand) }, /* 0xa8 D&(P|S) */
310 { OP(PAT,SRC,GXor), OP(SRC,DST,GXequiv) }, /* 0xa9 ~D^(P|S) */
311 { OP(SRC,DST,GXnoop) }, /* 0xaa D */
312 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor) }, /* 0xab D|~(P|S) */
313 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
314 OP(SRC,DST,GXxor) }, /* 0xac S^(P&(D^S)) */
315 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
316 OP(SRC,DST,GXequiv) }, /* 0xad ~D^(P|(S&D)) */
317 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor) }, /* 0xae D|(S&~P) */
318 { OP(PAT,DST,GXorInverted) }, /* 0xaf D|~P */
319 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand) }, /* 0xb0 P&(D|~S) */
320 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
321 OP(PAT,DST,GXequiv) }, /* 0xb1 ~P^(D|(S^P)) */
322 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
323 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
324 OP(TMP,DST,GXxor) }, /* 0xb2 S^((S^P)|(S^D))*/
325 { OP(PAT,DST,GXnand), OP(SRC,DST,GXnand) }, /* 0xb3 ~(S&~(D&P)) */
326 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXxor) }, /* 0xb4 P^(S&~D) */
327 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
328 OP(SRC,DST,GXequiv) }, /* 0xb5 ~D^(P&(S|D)) */
329 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
330 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
331 OP(TMP,DST,GXxor) }, /* 0xb6 D^P^(S|(D&P)) */
332 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnand) }, /* 0xb7 ~(S&(D^P)) */
333 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
334 OP(PAT,DST,GXxor) }, /* 0xb8 P^(S&(D^P)) */
335 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
336 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xb9 ~D^(S|(P&D)) */
337 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXor) }, /* 0xba D|(P&~S) */
338 { OP(SRC,DST,GXorInverted) }, /* 0xbb ~S|D */
339 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
340 OP(SRC,DST,GXxor) }, /* 0xbc S^(P&~(D&S)) */
341 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
342 OP(SRC,DST,GXnand) }, /* 0xbd ~((S^D)&(P^D)) */
343 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor) }, /* 0xbe D|(P^S) */
344 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXor) }, /* 0xbf D|~(P&S) */
345 { OP(PAT,SRC,GXand) }, /* 0xc0 P&S */
346 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
347 OP(SRC,DST,GXequiv) }, /* 0xc1 ~S^(P|(D&~S)) */
348 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
349 OP(SRC,DST,GXequiv) }, /* 0xc2 ~S^(P|~(D|S)) */
350 { OP(PAT,SRC,GXequiv) }, /* 0xc3 ~P^S */
351 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXand) }, /* 0xc4 S&(P|~D) */
352 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
353 OP(SRC,DST,GXequiv) }, /* 0xc5 ~S^(P|(D^S)) */
354 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXxor) },/* 0xc6 S^(D&~P) */
355 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
356 OP(PAT,DST,GXequiv) }, /* 0xc7 ~P^(S&(D|P)) */
357 { OP(PAT,DST,GXor), OP(SRC,DST,GXand) }, /* 0xc8 S&(D|P) */
358 { OP(PAT,DST,GXor), OP(SRC,DST,GXequiv) }, /* 0xc9 ~S^(P|D) */
359 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXand),
360 OP(SRC,DST,GXxor) }, /* 0xca D^(P&(S^D)) */
361 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
362 OP(SRC,DST,GXequiv) }, /* 0xcb ~S^(P|(D&S)) */
363 { OP(SRC,DST,GXcopy) }, /* 0xcc S */
364 { OP(PAT,DST,GXnor), OP(SRC,DST,GXor) }, /* 0xcd S|~(D|P) */
365 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXor) }, /* 0xce S|(D&~P) */
366 { OP(PAT,SRC,GXorInverted) }, /* 0xcf S|~P */
367 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXand) }, /* 0xd0 P&(S|~D) */
368 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
369 OP(PAT,DST,GXequiv) }, /* 0xd1 ~P^(S|(D^P)) */
370 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXxor) },/* 0xd2 P^(D&~S) */
371 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
372 OP(SRC,DST,GXequiv) }, /* 0xd3 ~S^(P&(D|S)) */
373 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
374 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
375 OP(TMP,DST,GXxor) }, /* 0xd4 S^((S^P)&(D^P))*/
376 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXnand) }, /* 0xd5 ~(D&~(P&S)) */
377 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
378 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
379 OP(TMP,DST,GXxor) }, /* 0xd6 S^P^(D|(P&S)) */
380 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnand) }, /* 0xd7 ~(D&(P^S)) */
381 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
382 OP(PAT,DST,GXxor) }, /* 0xd8 P^(D&(S^P)) */
383 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
384 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xd9 ~S^(D|(P&S)) */
385 { OP(DST,SRC,GXnand), OP(PAT,SRC,GXand),
386 OP(SRC,DST,GXxor) }, /* 0xda D^(P&~(S&D)) */
387 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
388 OP(SRC,DST,GXnand) }, /* 0xdb ~((S^P)&(S^D)) */
389 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXor) }, /* 0xdc S|(P&~D) */
390 { OP(SRC,DST,GXorReverse) }, /* 0xdd S|~D */
391 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor) }, /* 0xde S|(D^P) */
392 { OP(PAT,DST,GXnand), OP(SRC,DST,GXor) }, /* 0xdf S|~(D&P) */
393 { OP(SRC,DST,GXor), OP(PAT,DST,GXand) }, /* 0xe0 P&(D|S) */
394 { OP(SRC,DST,GXor), OP(PAT,DST,GXequiv) }, /* 0xe1 ~P^(D|S) */
395 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
396 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe2 D^(S&(P^D)) */
397 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
398 OP(PAT,DST,GXequiv) }, /* 0xe3 ~P^(S|(D&P)) */
399 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
400 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe4 S^(D&(P^S)) */
401 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
402 OP(PAT,DST,GXequiv) }, /* 0xe5 ~P^(D|(S&P)) */
403 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
404 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe6 S^(D&~(P&S)) */
405 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
406 OP(SRC,DST,GXnand) }, /* 0xe7 ~((S^P)&(D^P)) */
407 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
408 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
409 OP(TMP,DST,GXxor) }, /* 0xe8 S^((S^P)&(S^D))*/
410 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnand),
411 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
412 OP(TMP,DST,GXequiv) }, /* 0xe9 ~D^S^(P&~(S&D))*/
413 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor) }, /* 0xea D|(P&S) */
414 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXor) }, /* 0xeb D|~(P^S) */
415 { OP(PAT,DST,GXand), OP(SRC,DST,GXor) }, /* 0xec S|(D&P) */
416 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXor) }, /* 0xed S|~(D^P) */
417 { OP(SRC,DST,GXor) }, /* 0xee S|D */
418 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXor) }, /* 0xef S|D|~P */
419 { OP(PAT,DST,GXcopy) }, /* 0xf0 P */
420 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor) }, /* 0xf1 P|~(D|S) */
421 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor) }, /* 0xf2 P|(D&~S) */
422 { OP(PAT,SRC,GXorReverse) }, /* 0xf3 P|~S */
423 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXor) }, /* 0xf4 P|(S&~D) */
424 { OP(PAT,DST,GXorReverse) }, /* 0xf5 P|~D */
425 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor) }, /* 0xf6 P|(D^S) */
426 { OP(SRC,DST,GXnand), OP(PAT,DST,GXor) }, /* 0xf7 P|~(S&D) */
427 { OP(SRC,DST,GXand), OP(PAT,DST,GXor) }, /* 0xf8 P|(D&S) */
428 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor) }, /* 0xf9 P|~(D^S) */
429 { OP(PAT,DST,GXor) }, /* 0xfa D|P */
430 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXor) }, /* 0xfb D|P|~S */
431 { OP(PAT,SRC,GXor) }, /* 0xfc P|S */
432 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXor) }, /* 0xfd P|S|~D */
433 { OP(SRC,DST,GXor), OP(PAT,DST,GXor) }, /* 0xfe P|D|S */
434 { OP(PAT,DST,GXset) } /* 0xff 1 */
435 };
436
437
438 #ifdef BITBLT_TEST /* Opcodes test */
439
440 static int do_bitop( int s, int d, int rop )
441 {
442 int res;
443 switch(rop)
444 {
445 case GXclear: res = 0; break;
446 case GXand: res = s & d; break;
447 case GXandReverse: res = s & ~d; break;
448 case GXcopy: res = s; break;
449 case GXandInverted: res = ~s & d; break;
450 case GXnoop: res = d; break;
451 case GXxor: res = s ^ d; break;
452 case GXor: res = s | d; break;
453 case GXnor: res = ~(s | d); break;
454 case GXequiv: res = ~s ^ d; break;
455 case GXinvert: res = ~d; break;
456 case GXorReverse: res = s | ~d; break;
457 case GXcopyInverted: res = ~s; break;
458 case GXorInverted: res = ~s | d; break;
459 case GXnand: res = ~(s & d); break;
460 case GXset: res = 1; break;
461 }
462 return res & 1;
463 }
464
465 main()
466 {
467 int rop, i, res, src, dst, pat, tmp, dstUsed;
468 const BYTE *opcode;
469
470 for (rop = 0; rop < 256; rop++)
471 {
472 res = dstUsed = 0;
473 for (i = 0; i < 8; i++)
474 {
475 pat = (i >> 2) & 1;
476 src = (i >> 1) & 1;
477 dst = i & 1;
478 for (opcode = BITBLT_Opcodes[rop]; *opcode; opcode++)
479 {
480 switch(*opcode >> 4)
481 {
482 case OP_ARGS(DST,TMP):
483 tmp = do_bitop( dst, tmp, *opcode & 0xf );
484 break;
485 case OP_ARGS(DST,SRC):
486 src = do_bitop( dst, src, *opcode & 0xf );
487 break;
488 case OP_ARGS(SRC,TMP):
489 tmp = do_bitop( src, tmp, *opcode & 0xf );
490 break;
491 case OP_ARGS(SRC,DST):
492 dst = do_bitop( src, dst, *opcode & 0xf );
493 dstUsed = 1;
494 break;
495 case OP_ARGS(PAT,TMP):
496 tmp = do_bitop( pat, tmp, *opcode & 0xf );
497 break;
498 case OP_ARGS(PAT,DST):
499 dst = do_bitop( pat, dst, *opcode & 0xf );
500 dstUsed = 1;
501 break;
502 case OP_ARGS(PAT,SRC):
503 src = do_bitop( pat, src, *opcode & 0xf );
504 break;
505 case OP_ARGS(TMP,DST):
506 dst = do_bitop( tmp, dst, *opcode & 0xf );
507 dstUsed = 1;
508 break;
509 case OP_ARGS(TMP,SRC):
510 src = do_bitop( tmp, src, *opcode & 0xf );
511 break;
512 default:
513 printf( "Invalid opcode %x\n", *opcode );
514 }
515 }
516 if (!dstUsed) dst = src;
517 if (dst) res |= 1 << i;
518 }
519 if (res != rop) printf( "%02x: ERROR, res=%02x\n", rop, res );
520 }
521 }
522
523 #endif /* BITBLT_TEST */
524
525
526 /***********************************************************************
527 * BITBLT_StretchRow
528 *
529 * Stretch a row of pixels. Helper function for BITBLT_StretchImage.
530 */
531 static void BITBLT_StretchRow( int *rowSrc, int *rowDst,
532 INT startDst, INT widthDst,
533 INT xinc, INT xoff, WORD mode )
534 {
535 register INT xsrc = xinc * startDst + xoff;
536 rowDst += startDst;
537 switch(mode)
538 {
539 case STRETCH_ANDSCANS:
540 for(; widthDst > 0; widthDst--, xsrc += xinc)
541 *rowDst++ &= rowSrc[xsrc >> 16];
542 break;
543 case STRETCH_ORSCANS:
544 for(; widthDst > 0; widthDst--, xsrc += xinc)
545 *rowDst++ |= rowSrc[xsrc >> 16];
546 break;
547 case STRETCH_DELETESCANS:
548 for(; widthDst > 0; widthDst--, xsrc += xinc)
549 *rowDst++ = rowSrc[xsrc >> 16];
550 break;
551 }
552 }
553
554
555 /***********************************************************************
556 * BITBLT_ShrinkRow
557 *
558 * Shrink a row of pixels. Helper function for BITBLT_StretchImage.
559 */
560 static void BITBLT_ShrinkRow( int *rowSrc, int *rowDst,
561 INT startSrc, INT widthSrc,
562 INT xinc, INT xoff, WORD mode )
563 {
564 register INT xdst = xinc * startSrc + xoff;
565 rowSrc += startSrc;
566 switch(mode)
567 {
568 case STRETCH_ORSCANS:
569 for(; widthSrc > 0; widthSrc--, xdst += xinc)
570 rowDst[xdst >> 16] |= *rowSrc++;
571 break;
572 case STRETCH_ANDSCANS:
573 for(; widthSrc > 0; widthSrc--, xdst += xinc)
574 rowDst[xdst >> 16] &= *rowSrc++;
575 break;
576 case STRETCH_DELETESCANS:
577 for(; widthSrc > 0; widthSrc--, xdst += xinc)
578 rowDst[xdst >> 16] = *rowSrc++;
579 break;
580 }
581 }
582
583
584 /***********************************************************************
585 * BITBLT_GetRow
586 *
587 * Retrieve a row from an image. Helper function for BITBLT_StretchImage.
588 */
589 static void BITBLT_GetRow( XImage *image, int *pdata, INT row,
590 INT start, INT width, INT depthDst,
591 int fg, int bg, BOOL swap)
592 {
593 register INT i;
594
595 assert( (row >= 0) && (row < image->height) );
596 assert( (start >= 0) && (width <= image->width) );
597
598 pdata += swap ? start+width-1 : start;
599 if (image->depth == depthDst) /* color -> color */
600 {
601 if (X11DRV_PALETTE_XPixelToPalette && (depthDst != 1))
602 if (swap) for (i = 0; i < width; i++)
603 *pdata-- = X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, i, row )];
604 else for (i = 0; i < width; i++)
605 *pdata++ = X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, i, row )];
606 else
607 if (swap) for (i = 0; i < width; i++)
608 *pdata-- = XGetPixel( image, i, row );
609 else for (i = 0; i < width; i++)
610 *pdata++ = XGetPixel( image, i, row );
611 }
612 else
613 {
614 if (image->depth == 1) /* monochrome -> color */
615 {
616 if (X11DRV_PALETTE_XPixelToPalette)
617 {
618 fg = X11DRV_PALETTE_XPixelToPalette[fg];
619 bg = X11DRV_PALETTE_XPixelToPalette[bg];
620 }
621 if (swap) for (i = 0; i < width; i++)
622 *pdata-- = XGetPixel( image, i, row ) ? bg : fg;
623 else for (i = 0; i < width; i++)
624 *pdata++ = XGetPixel( image, i, row ) ? bg : fg;
625 }
626 else /* color -> monochrome */
627 {
628 if (swap) for (i = 0; i < width; i++)
629 *pdata-- = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
630 else for (i = 0; i < width; i++)
631 *pdata++ = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
632 }
633 }
634 }
635
636
637 /***********************************************************************
638 * BITBLT_StretchImage
639 *
640 * Stretch an X image.
641 * FIXME: does not work for full 32-bit coordinates.
642 */
643 static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage,
644 INT widthSrc, INT heightSrc,
645 INT widthDst, INT heightDst,
646 RECT *visRectSrc, RECT *visRectDst,
647 int foreground, int background, WORD mode )
648 {
649 int *rowSrc, *rowDst, *pixel;
650 char *pdata;
651 INT xinc, xoff, yinc, ysrc, ydst;
652 register INT x, y;
653 BOOL hstretch, vstretch, hswap, vswap;
654
655 hswap = ((int)widthSrc * widthDst) < 0;
656 vswap = ((int)heightSrc * heightDst) < 0;
657 widthSrc = abs(widthSrc);
658 heightSrc = abs(heightSrc);
659 widthDst = abs(widthDst);
660 heightDst = abs(heightDst);
661
662 if (!(rowSrc = (int *)HeapAlloc( GetProcessHeap(), 0,
663 (widthSrc+widthDst)*sizeof(int) ))) return;
664 rowDst = rowSrc + widthSrc;
665
666 /* When stretching, all modes are the same, and DELETESCANS is faster */
667 if ((widthSrc < widthDst) && (heightSrc < heightDst))
668 mode = STRETCH_DELETESCANS;
669
670 if (mode != STRETCH_DELETESCANS)
671 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
672 widthDst*sizeof(int) );
673
674 hstretch = (widthSrc < widthDst);
675 vstretch = (heightSrc < heightDst);
676
677 if (hstretch)
678 {
679 xinc = ((int)widthSrc << 16) / widthDst;
680 xoff = ((widthSrc << 16) - (xinc * widthDst)) / 2;
681 }
682 else
683 {
684 xinc = ((int)widthDst << 16) / widthSrc;
685 xoff = ((widthDst << 16) - (xinc * widthSrc)) / 2;
686 }
687
688 if (vstretch)
689 {
690 yinc = ((int)heightSrc << 16) / heightDst;
691 ydst = visRectDst->top;
692 if (vswap)
693 {
694 ysrc = yinc * (heightDst - ydst - 1);
695 yinc = -yinc;
696 }
697 else
698 ysrc = yinc * ydst;
699
700 for ( ; (ydst < visRectDst->bottom); ysrc += yinc, ydst++)
701 {
702 if (((ysrc >> 16) < visRectSrc->top) ||
703 ((ysrc >> 16) >= visRectSrc->bottom)) continue;
704
705 /* Retrieve a source row */
706 BITBLT_GetRow( srcImage, rowSrc, (ysrc >> 16) - visRectSrc->top,
707 hswap ? widthSrc - visRectSrc->right
708 : visRectSrc->left,
709 visRectSrc->right - visRectSrc->left,
710 dstImage->depth, foreground, background, hswap );
711
712 /* Stretch or shrink it */
713 if (hstretch)
714 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left,
715 visRectDst->right - visRectDst->left,
716 xinc, xoff, mode );
717 else BITBLT_ShrinkRow( rowSrc, rowDst,
718 hswap ? widthSrc - visRectSrc->right
719 : visRectSrc->left,
720 visRectSrc->right - visRectSrc->left,
721 xinc, xoff, mode );
722
723 /* Store the destination row */
724 pixel = rowDst + visRectDst->right - 1;
725 y = ydst - 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 /* Make copies of the destination row */
733
734 pdata = dstImage->data + dstImage->bytes_per_line * y;
735 while (((ysrc + yinc) >> 16 == ysrc >> 16) &&
736 (ydst < visRectDst->bottom-1))
737 {
738 memcpy( pdata + dstImage->bytes_per_line, pdata,
739 dstImage->bytes_per_line );
740 pdata += dstImage->bytes_per_line;
741 ysrc += yinc;
742 ydst++;
743 }
744 }
745 }
746 else /* Shrinking */
747 {
748 yinc = ((int)heightDst << 16) / heightSrc;
749 ysrc = visRectSrc->top;
750 ydst = ((heightDst << 16) - (yinc * heightSrc)) / 2;
751 if (vswap)
752 {
753 ydst += yinc * (heightSrc - ysrc - 1);
754 yinc = -yinc;
755 }
756 else
757 ydst += yinc * ysrc;
758
759 for( ; (ysrc < visRectSrc->bottom); ydst += yinc, ysrc++)
760 {
761 if (((ydst >> 16) < visRectDst->top) ||
762 ((ydst >> 16) >= visRectDst->bottom)) continue;
763
764 /* Retrieve a source row */
765 BITBLT_GetRow( srcImage, rowSrc, ysrc - visRectSrc->top,
766 hswap ? widthSrc - visRectSrc->right
767 : visRectSrc->left,
768 visRectSrc->right - visRectSrc->left,
769 dstImage->depth, foreground, background, hswap );
770
771 /* Stretch or shrink it */
772 if (hstretch)
773 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left,
774 visRectDst->right - visRectDst->left,
775 xinc, xoff, mode );
776 else BITBLT_ShrinkRow( rowSrc, rowDst,
777 hswap ? widthSrc - visRectSrc->right
778 : visRectSrc->left,
779 visRectSrc->right - visRectSrc->left,
780 xinc, xoff, mode );
781
782 /* Merge several source rows into the destination */
783 if (mode == STRETCH_DELETESCANS)
784 {
785 /* Simply skip the overlapping rows */
786 while (((ydst + yinc) >> 16 == ydst >> 16) &&
787 (ysrc < visRectSrc->bottom-1))
788 {
789 ydst += yinc;
790 ysrc++;
791 }
792 }
793 else if (((ydst + yinc) >> 16 == ydst >> 16) &&
794 (ysrc < visRectSrc->bottom-1))
795 continue; /* Restart loop for next overlapping row */
796
797 /* Store the destination row */
798 pixel = rowDst + visRectDst->right - 1;
799 y = (ydst >> 16) - visRectDst->top;
800 for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--)
801 XPutPixel( dstImage, x, y, *pixel-- );
802 if (mode != STRETCH_DELETESCANS)
803 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
804 widthDst*sizeof(int) );
805 }
806 }
807 HeapFree( GetProcessHeap(), 0, rowSrc );
808 }
809
810
811 /***********************************************************************
812 * BITBLT_GetSrcAreaStretch
813 *
814 * Retrieve an area from the source DC, stretching and mapping all the
815 * pixels to Windows colors.
816 */
817 static void BITBLT_GetSrcAreaStretch( DC *dcSrc, DC *dcDst,
818 Pixmap pixmap, GC gc,
819 INT xSrc, INT ySrc,
820 INT widthSrc, INT heightSrc,
821 INT xDst, INT yDst,
822 INT widthDst, INT heightDst,
823 RECT *visRectSrc, RECT *visRectDst )
824 {
825 XImage *imageSrc, *imageDst;
826 X11DRV_PDEVICE *physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev;
827 X11DRV_PDEVICE *physDevDst = (X11DRV_PDEVICE *)dcDst->physDev;
828
829 RECT rectSrc = *visRectSrc;
830 RECT rectDst = *visRectDst;
831
832 if (widthSrc < 0) xSrc += widthSrc;
833 if (widthDst < 0) xDst += widthDst;
834 if (heightSrc < 0) ySrc += heightSrc;
835 if (heightDst < 0) yDst += heightDst;
836 OffsetRect( &rectSrc, -xSrc, -ySrc );
837 OffsetRect( &rectDst, -xDst, -yDst );
838
839 /* FIXME: avoid BadMatch errors */
840 imageSrc = XGetImage( display, physDevSrc->drawable,
841 visRectSrc->left, visRectSrc->top,
842 visRectSrc->right - visRectSrc->left,
843 visRectSrc->bottom - visRectSrc->top,
844 AllPlanes, ZPixmap );
845 XCREATEIMAGE( imageDst, rectDst.right - rectDst.left,
846 rectDst.bottom - rectDst.top, dcDst->w.bitsPerPixel );
847 BITBLT_StretchImage( imageSrc, imageDst, widthSrc, heightSrc,
848 widthDst, heightDst, &rectSrc, &rectDst,
849 physDevDst->textPixel, dcDst->w.bitsPerPixel != 1 ?
850 physDevDst->backgroundPixel :
851 physDevSrc->backgroundPixel,
852 dcDst->w.stretchBltMode );
853 XPutImage( display, pixmap, gc, imageDst, 0, 0, 0, 0,
854 rectDst.right - rectDst.left, rectDst.bottom - rectDst.top );
855 XDestroyImage( imageSrc );
856 XDestroyImage( imageDst );
857 }
858
859
860 /***********************************************************************
861 * BITBLT_GetSrcArea
862 *
863 * Retrieve an area from the source DC, mapping all the
864 * pixels to Windows colors.
865 */
866 static void BITBLT_GetSrcArea( DC *dcSrc, DC *dcDst, Pixmap pixmap, GC gc,
867 INT xSrc, INT ySrc, RECT *visRectSrc )
868 {
869 XImage *imageSrc, *imageDst;
870 register INT x, y;
871 INT width = visRectSrc->right - visRectSrc->left;
872 INT height = visRectSrc->bottom - visRectSrc->top;
873 X11DRV_PDEVICE *physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev;
874 X11DRV_PDEVICE *physDevDst = (X11DRV_PDEVICE *)dcDst->physDev;
875
876 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
877 {
878 if (!X11DRV_PALETTE_XPixelToPalette ||
879 (dcDst->w.bitsPerPixel == 1)) /* monochrome -> monochrome */
880 {
881 XCopyArea( display, physDevSrc->drawable, pixmap, gc,
882 visRectSrc->left, visRectSrc->top, width, height, 0, 0);
883 }
884 else /* color -> color */
885 {
886 if (dcSrc->w.flags & DC_MEMORY)
887 imageSrc = XGetImage( display, physDevSrc->drawable,
888 visRectSrc->left, visRectSrc->top,
889 width, height, AllPlanes, ZPixmap );
890 else
891 {
892 /* Make sure we don't get a BadMatch error */
893 XCopyArea( display, physDevSrc->drawable, pixmap, gc,
894 visRectSrc->left, visRectSrc->top,
895 width, height, 0, 0);
896 imageSrc = XGetImage( display, pixmap, 0, 0, width, height,
897 AllPlanes, ZPixmap );
898 }
899 for (y = 0; y < height; y++)
900 for (x = 0; x < width; x++)
901 XPutPixel(imageSrc, x, y,
902 X11DRV_PALETTE_XPixelToPalette[XGetPixel(imageSrc, x, y)]);
903 XPutImage( display, pixmap, gc, imageSrc,
904 0, 0, 0, 0, width, height );
905 XDestroyImage( imageSrc );
906 }
907 }
908 else
909 {
910 if (dcSrc->w.bitsPerPixel == 1) /* monochrome -> color */
911 {
912 if (X11DRV_PALETTE_XPixelToPalette)
913 {
914 XSetBackground( display, gc,
915 X11DRV_PALETTE_XPixelToPalette[physDevDst->textPixel] );
916 XSetForeground( display, gc,
917 X11DRV_PALETTE_XPixelToPalette[physDevDst->backgroundPixel]);
918 }
919 else
920 {
921 XSetBackground( display, gc, physDevDst->textPixel );
922 XSetForeground( display, gc, physDevDst->backgroundPixel );
923 }
924 XCopyPlane( display, physDevSrc->drawable, pixmap, gc,
925 visRectSrc->left, visRectSrc->top,
926 width, height, 0, 0, 1 );
927 }
928 else /* color -> monochrome */
929 {
930 /* FIXME: avoid BadMatch error */
931 imageSrc = XGetImage( display, physDevSrc->drawable,
932 visRectSrc->left, visRectSrc->top,
933 width, height, AllPlanes, ZPixmap );
934 XCREATEIMAGE( imageDst, width, height, dcDst->w.bitsPerPixel );
935 for (y = 0; y < height; y++)
936 for (x = 0; x < width; x++)
937 XPutPixel(imageDst, x, y, (XGetPixel(imageSrc,x,y) ==
938 physDevSrc->backgroundPixel) );
939 XPutImage( display, pixmap, gc, imageDst,
940 0, 0, 0, 0, width, height );
941 XDestroyImage( imageSrc );
942 XDestroyImage( imageDst );
943 }
944 }
945 }
946
947
948 /***********************************************************************
949 * BITBLT_GetDstArea
950 *
951 * Retrieve an area from the destination DC, mapping all the
952 * pixels to Windows colors.
953 */
954 static void BITBLT_GetDstArea(DC *dc, Pixmap pixmap, GC gc, RECT *visRectDst)
955 {
956 INT width = visRectDst->right - visRectDst->left;
957 INT height = visRectDst->bottom - visRectDst->top;
958 X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
959
960 if (!X11DRV_PALETTE_XPixelToPalette || (dc->w.bitsPerPixel == 1) ||
961 (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) )
962 {
963 XCopyArea( display, physDev->drawable, pixmap, gc,
964 visRectDst->left, visRectDst->top, width, height, 0, 0 );
965 }
966 else
967 {
968 register INT x, y;
969 XImage *image;
970
971 if (dc->w.flags & DC_MEMORY)
972 image = XGetImage( display, physDev->drawable,
973 visRectDst->left, visRectDst->top,
974 width, height, AllPlanes, ZPixmap );
975 else
976 {
977 /* Make sure we don't get a BadMatch error */
978 XCopyArea( display, physDev->drawable, pixmap, gc,
979 visRectDst->left, visRectDst->top, width, height, 0, 0);
980 image = XGetImage( display, pixmap, 0, 0, width, height,
981 AllPlanes, ZPixmap );
982 }
983 for (y = 0; y < height; y++)
984 for (x = 0; x < width; x++)
985 XPutPixel( image, x, y,
986 X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, x, y )]);
987 XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, width, height );
988 XDestroyImage( image );
989 }
990 }
991
992
993 /***********************************************************************
994 * BITBLT_PutDstArea
995 *
996 * Put an area back into the destination DC, mapping the pixel
997 * colors to X pixels.
998 */
999 static void BITBLT_PutDstArea(DC *dc, Pixmap pixmap, GC gc, RECT *visRectDst)
1000 {
1001 INT width = visRectDst->right - visRectDst->left;
1002 INT height = visRectDst->bottom - visRectDst->top;
1003 X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
1004
1005 /* !X11DRV_PALETTE_PaletteToXPixel is _NOT_ enough */
1006
1007 if (!X11DRV_PALETTE_PaletteToXPixel || (dc->w.bitsPerPixel == 1) ||
1008 (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) )
1009 {
1010 XCopyArea( display, pixmap, physDev->drawable, gc, 0, 0,
1011 width, height, visRectDst->left, visRectDst->top );
1012 }
1013 else
1014 {
1015 register INT x, y;
1016 XImage *image = XGetImage( display, pixmap, 0, 0, width, height,
1017 AllPlanes, ZPixmap );
1018 for (y = 0; y < height; y++)
1019 for (x = 0; x < width; x++)
1020 {
1021 XPutPixel( image, x, y,
1022 X11DRV_PALETTE_PaletteToXPixel[XGetPixel( image, x, y )]);
1023 }
1024 XPutImage( display, physDev->drawable, gc, image, 0, 0,
1025 visRectDst->left, visRectDst->top, width, height );
1026 XDestroyImage( image );
1027 }
1028 }
1029
1030
1031 /***********************************************************************
1032 * BITBLT_GetVisRectangles
1033 *
1034 * Get the source and destination visible rectangles for StretchBlt().
1035 * Return FALSE if one of the rectangles is empty.
1036 */
1037 static BOOL BITBLT_GetVisRectangles( DC *dcDst, INT xDst, INT yDst,
1038 INT widthDst, INT heightDst,
1039 DC *dcSrc, INT xSrc, INT ySrc,
1040 INT widthSrc, INT heightSrc,
1041 RECT *visRectSrc, RECT *visRectDst )
1042 {
1043 RECT rect, clipRect;
1044
1045 /* Get the destination visible rectangle */
1046
1047 SetRect( &rect, xDst, yDst, xDst + widthDst, yDst + heightDst );
1048 if (widthDst < 0) SWAP_INT32( &rect.left, &rect.right );
1049 if (heightDst < 0) SWAP_INT32( &rect.top, &rect.bottom );
1050 GetRgnBox( dcDst->w.hGCClipRgn, &clipRect );
1051 if (!IntersectRect( visRectDst, &rect, &clipRect )) return FALSE;
1052
1053 /* Get the source visible rectangle */
1054
1055 if (!dcSrc) return TRUE;
1056 SetRect( &rect, xSrc, ySrc, xSrc + widthSrc, ySrc + heightSrc );
1057 if (widthSrc < 0) SWAP_INT32( &rect.left, &rect.right );
1058 if (heightSrc < 0) SWAP_INT32( &rect.top, &rect.bottom );
1059 /* Apparently the clipping and visible regions are only for output,
1060 so just check against totalExtent here to avoid BadMatch errors */
1061 if (!IntersectRect( visRectSrc, &rect, &dcSrc->w.totalExtent ))
1062 return FALSE;
1063
1064 /* Intersect the rectangles */
1065
1066 if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */
1067 {
1068 OffsetRect( visRectSrc, xDst - xSrc, yDst - ySrc );
1069 if (!IntersectRect( &rect, visRectSrc, visRectDst )) return FALSE;
1070 *visRectSrc = *visRectDst = rect;
1071 OffsetRect( visRectSrc, xSrc - xDst, ySrc - yDst );
1072 }
1073 else /* stretching */
1074 {
1075 /* Map source rectangle into destination coordinates */
1076 rect.left = xDst + (visRectSrc->left - xSrc)*widthDst/widthSrc;
1077 rect.top = yDst + (visRectSrc->top - ySrc)*heightDst/heightSrc;
1078 rect.right = xDst + ((visRectSrc->right - xSrc)*widthDst)/widthSrc;
1079 rect.bottom = yDst + ((visRectSrc->bottom - ySrc)*heightDst)/heightSrc;
1080 if (rect.left > rect.right) SWAP_INT32( &rect.left, &rect.right );
1081 if (rect.top > rect.bottom) SWAP_INT32( &rect.top, &rect.bottom );
1082 InflateRect( &rect, 1, 1 ); /* Avoid rounding errors */
1083 if (!IntersectRect( visRectDst, &rect, visRectDst )) return FALSE;
1084
1085 /* Map destination rectangle back to source coordinates */
1086 rect = *visRectDst;
1087 rect.left = xSrc + (visRectDst->left - xDst)*widthSrc/widthDst;
1088 rect.top = ySrc + (visRectDst->top - yDst)*heightSrc/heightDst;
1089 rect.right = xSrc + ((visRectDst->right - xDst)*widthSrc)/widthDst;
1090 rect.bottom = ySrc + ((visRectDst->bottom - yDst)*heightSrc)/heightDst;
1091 if (rect.left > rect.right) SWAP_INT32( &rect.left, &rect.right );
1092 if (rect.top > rect.bottom) SWAP_INT32( &rect.top, &rect.bottom );
1093 InflateRect( &rect, 1, 1 ); /* Avoid rounding errors */
1094 if (!IntersectRect( visRectSrc, &rect, visRectSrc )) return FALSE;
1095 }
1096 return TRUE;
1097 }
1098
1099
1100 /***********************************************************************
1101 * BITBLT_InternalStretchBlt
1102 *
1103 * Implementation of PatBlt(), BitBlt() and StretchBlt().
1104 */
1105 static BOOL BITBLT_InternalStretchBlt( DC *dcDst, INT xDst, INT yDst,
1106 INT widthDst, INT heightDst,
1107 DC *dcSrc, INT xSrc, INT ySrc,
1108 INT widthSrc, INT heightSrc,
1109 DWORD rop )
1110 {
1111 BOOL usePat, useSrc, useDst, destUsed, fStretch, fNullBrush;
1112 RECT visRectDst, visRectSrc;
1113 INT width, height;
1114 const BYTE *opcode;
1115 Pixmap pixmaps[3] = { 0, 0, 0 }; /* pixmaps for DST, SRC, TMP */
1116 GC tmpGC = 0;
1117 X11DRV_PDEVICE *physDevSrc = NULL;
1118 X11DRV_PDEVICE *physDevDst = (X11DRV_PDEVICE *)dcDst->physDev;
1119
1120 /* compensate for off-by-one shifting for negative widths and heights */
1121 if (widthDst < 0)
1122 ++xDst;
1123 if (heightDst < 0)
1124 ++yDst;
1125 if (widthSrc < 0)
1126 ++xSrc;
1127 if (heightSrc < 0)
1128 ++ySrc;
1129
1130 if(dcSrc) physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev;
1131 usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000));
1132 useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000));
1133 useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000));
1134 if (!dcSrc && useSrc) return FALSE;
1135
1136 if (dcDst->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dcDst );
1137 if (dcSrc && (dcSrc->w.flags & DC_DIRTY)) CLIPPING_UpdateGCRegion( dcSrc );
1138
1139 /* Map the coordinates to device coords */
1140
1141 xDst = dcDst->w.DCOrgX + XLPTODP( dcDst, xDst );
1142 yDst = dcDst->w.DCOrgY + YLPTODP( dcDst, yDst );
1143 widthDst = widthDst * dcDst->vportExtX / dcDst->wndExtX;
1144 heightDst = heightDst * dcDst->vportExtY / dcDst->wndExtY;
1145
1146 TRACE(bitblt, " vportdst=%d,%d-%d,%d wnddst=%d,%d-%d,%d\n",
1147 dcDst->vportOrgX, dcDst->vportOrgY,
1148 dcDst->vportExtX, dcDst->vportExtY,
1149 dcDst->wndOrgX, dcDst->wndOrgY,
1150 dcDst->wndExtX, dcDst->wndExtY );
1151 TRACE(bitblt, " rectdst=%d,%d-%d,%d orgdst=%d,%d\n",
1152 xDst, yDst, widthDst, heightDst,
1153 dcDst->w.DCOrgX, dcDst->w.DCOrgY );
1154
1155 if (useSrc)
1156 {
1157 xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc );
1158 ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc );
1159 widthSrc = widthSrc * dcSrc->vportExtX / dcSrc->wndExtX;
1160 heightSrc = heightSrc * dcSrc->vportExtY / dcSrc->wndExtY;
1161 fStretch = (widthSrc != widthDst) || (heightSrc != heightDst);
1162 TRACE(bitblt," vportsrc=%d,%d-%d,%d wndsrc=%d,%d-%d,%d\n",
1163 dcSrc->vportOrgX, dcSrc->vportOrgY,
1164 dcSrc->vportExtX, dcSrc->vportExtY,
1165 dcSrc->wndOrgX, dcSrc->wndOrgY,
1166 dcSrc->wndExtX, dcSrc->wndExtY );
1167 TRACE(bitblt, " rectsrc=%d,%d-%d,%d orgsrc=%d,%d\n",
1168 xSrc, ySrc, widthSrc, heightSrc,
1169 dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
1170 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1171 dcSrc, xSrc, ySrc, widthSrc, heightSrc,
1172 &visRectSrc, &visRectDst ))
1173 return TRUE;
1174 TRACE(bitblt, " vissrc=%d,%d-%d,%d visdst=%d,%d-%d,%d\n",
1175 visRectSrc.left, visRectSrc.top,
1176 visRectSrc.right, visRectSrc.bottom,
1177 visRectDst.left, visRectDst.top,
1178 visRectDst.right, visRectDst.bottom );
1179 }
1180 else
1181 {
1182 fStretch = FALSE;
1183 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1184 NULL, 0, 0, 0, 0, NULL, &visRectDst ))
1185 return TRUE;
1186 TRACE(bitblt, " vissrc=none visdst=%d,%d-%d,%d\n",
1187 visRectDst.left, visRectDst.top,
1188 visRectDst.right, visRectDst.bottom );
1189 }
1190
1191 width = visRectDst.right - visRectDst.left;
1192 height = visRectDst.bottom - visRectDst.top;
1193
1194 if (!fStretch) switch(rop) /* A few optimisations */
1195 {
1196 case BLACKNESS: /* 0x00 */
1197 if ((dcDst->w.bitsPerPixel == 1) || !X11DRV_PALETTE_PaletteToXPixel)
1198 XSetFunction( display, physDevDst->gc, GXclear );
1199 else
1200 {
1201 XSetFunction( display, physDevDst->gc, GXcopy );
1202 XSetForeground( display, physDevDst->gc, X11DRV_PALETTE_PaletteToXPixel[0] );
1203 XSetFillStyle( display, physDevDst->gc, FillSolid );
1204 }
1205 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1206 visRectDst.left, visRectDst.top, width, height );
1207 return TRUE;
1208
1209 case DSTINVERT: /* 0x55 */
1210 if ((dcDst->w.bitsPerPixel == 1) || !X11DRV_PALETTE_PaletteToXPixel ||
1211 !Options.perfectGraphics)
1212 {
1213 XSetFunction( display, physDevDst->gc, GXinvert );
1214
1215 if( X11DRV_PALETTE_PaletteFlags & (X11DRV_PALETTE_PRIVATE | X11DRV_PALETTE_VIRTUAL) )
1216 XSetFunction( display, physDevDst->gc, GXinvert);
1217 else
1218 {
1219 /* Xor is much better when we do not have full colormap. */
1220 /* Using white^black ensures that we invert at least black */
1221 /* and white. */
1222 Pixel xor_pix = (WhitePixelOfScreen(X11DRV_GetXScreen()) ^
1223 BlackPixelOfScreen(X11DRV_GetXScreen()));
1224 XSetFunction( display, physDevDst->gc, GXxor );
1225 XSetForeground( display, physDevDst->gc, xor_pix);
1226 XSetFillStyle( display, physDevDst->gc, FillSolid );
1227 }
1228 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1229 visRectDst.left, visRectDst.top, width, height );
1230 return TRUE;
1231 }
1232 break;
1233
1234 case PATINVERT: /* 0x5a */
1235 if (Options.perfectGraphics) break;
1236 if (X11DRV_SetupGCForBrush( dcDst ))
1237 {
1238 XSetFunction( display, physDevDst->gc, GXxor );
1239 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1240 visRectDst.left, visRectDst.top, width, height );
1241 }
1242 return TRUE;
1243
1244 case 0xa50065:
1245 if (Options.perfectGraphics) break;
1246 if (X11DRV_SetupGCForBrush( dcDst ))
1247 {
1248 XSetFunction( display, physDevDst->gc, GXequiv );
1249 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1250 visRectDst.left, visRectDst.top, width, height );
1251 }
1252 return TRUE;
1253
1254 case SRCCOPY: /* 0xcc */
1255 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
1256 {
1257 BOOL expose = !(dcSrc->w.flags & DC_MEMORY) && !(dcDst->w.flags & DC_MEMORY);
1258 if ( expose ) XSetGraphicsExposures( display, physDevDst->gc, True );
1259 XSetFunction( display, physDevDst->gc, GXcopy );
1260 XCopyArea( display, physDevSrc->drawable,
1261 physDevDst->drawable, physDevDst->gc,
1262 visRectSrc.left, visRectSrc.top,
1263 width, height, visRectDst.left, visRectDst.top );
1264 if ( expose ) XSetGraphicsExposures( display, physDevDst->gc, False );
1265 return TRUE;
1266 }
1267 if (dcSrc->w.bitsPerPixel == 1)
1268 {
1269 BOOL expose = !(dcSrc->w.flags & DC_MEMORY) && !(dcDst->w.flags & DC_MEMORY);
1270 XSetBackground( display, physDevDst->gc, physDevDst->textPixel );
1271 XSetForeground( display, physDevDst->gc,
1272 physDevDst->backgroundPixel );
1273 XSetFunction( display, physDevDst->gc, GXcopy );
1274 if ( expose ) XSetGraphicsExposures( display, physDevDst->gc, True );
1275 XCopyPlane( display, physDevSrc->drawable,
1276 physDevDst->drawable, physDevDst->gc,
1277 visRectSrc.left, visRectSrc.top,
1278 width, height, visRectDst.left, visRectDst.top, 1 );
1279 if ( expose ) XSetGraphicsExposures( display, physDevDst->gc, False );
1280 return TRUE;
1281 }
1282 break;
1283
1284 case PATCOPY: /* 0xf0 */
1285 if (!X11DRV_SetupGCForBrush( dcDst )) return TRUE;
1286 XSetFunction( display, physDevDst->gc, GXcopy );
1287 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1288 visRectDst.left, visRectDst.top, width, height );
1289 return TRUE;
1290
1291 case WHITENESS: /* 0xff */
1292 if ((dcDst->w.bitsPerPixel == 1) || !X11DRV_PALETTE_PaletteToXPixel)
1293 XSetFunction( display, physDevDst->gc, GXset );
1294 else
1295 {
1296 XSetFunction( display, physDevDst->gc, GXcopy );
1297 XSetForeground( display, physDevDst->gc,
1298 WhitePixelOfScreen( X11DRV_GetXScreen() ));
1299 XSetFillStyle( display, physDevDst->gc, FillSolid );
1300 }
1301 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1302 visRectDst.left, visRectDst.top, width, height );
1303 return TRUE;
1304 }
1305
1306 tmpGC = XCreateGC( display, physDevDst->drawable, 0, NULL );
1307 XSetGraphicsExposures( display, tmpGC, False );
1308 pixmaps[DST] = XCreatePixmap( display, X11DRV_GetXRootWindow(), width, height,
1309 dcDst->w.bitsPerPixel );
1310 if (useSrc)
1311 {
1312 pixmaps[SRC] = XCreatePixmap( display, X11DRV_GetXRootWindow(), width, height,
1313 dcDst->w.bitsPerPixel );
1314 if (fStretch)
1315 BITBLT_GetSrcAreaStretch( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1316 xSrc, ySrc, widthSrc, heightSrc,
1317 xDst, yDst, widthDst, heightDst,
1318 &visRectSrc, &visRectDst );
1319 else
1320 BITBLT_GetSrcArea( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1321 xSrc, ySrc, &visRectSrc );
1322 }
1323 if (useDst) BITBLT_GetDstArea( dcDst, pixmaps[DST], tmpGC, &visRectDst );
1324 if (usePat) fNullBrush = !X11DRV_SetupGCForPatBlt( dcDst, tmpGC, TRUE );
1325 else fNullBrush = FALSE;
1326 destUsed = FALSE;
1327
1328 for (opcode = BITBLT_Opcodes[(rop >> 16) & 0xff]; *opcode; opcode++)
1329 {
1330 if (OP_DST(*opcode) == DST) destUsed = TRUE;
1331 XSetFunction( display, tmpGC, OP_ROP(*opcode) );
1332 switch(OP_SRCDST(*opcode))
1333 {
1334 case OP_ARGS(DST,TMP):
1335 case OP_ARGS(SRC,TMP):
1336 if (!pixmaps[TMP])
1337 pixmaps[TMP] = XCreatePixmap( display, X11DRV_GetXRootWindow(),
1338 width, height,
1339 dcDst->w.bitsPerPixel );
1340 /* fall through */
1341 case OP_ARGS(DST,SRC):
1342 case OP_ARGS(SRC,DST):
1343 case OP_ARGS(TMP,SRC):
1344 case OP_ARGS(TMP,DST):
1345 XCopyArea( display, pixmaps[OP_SRC(*opcode)],
1346 pixmaps[OP_DST(*opcode)], tmpGC,
1347 0, 0, width, height, 0, 0 );
1348 break;
1349
1350 case OP_ARGS(PAT,TMP):
1351 if (!pixmaps[TMP] && !fNullBrush)
1352 pixmaps[TMP] = XCreatePixmap( display, X11DRV_GetXRootWindow(),
1353 width, height,
1354 dcDst->w.bitsPerPixel );
1355 /* fall through */
1356 case OP_ARGS(PAT,DST):
1357 case OP_ARGS(PAT,SRC):
1358 if (!fNullBrush)
1359 XFillRectangle( display, pixmaps[OP_DST(*opcode)],
1360 tmpGC, 0, 0, width, height );
1361 break;
1362 }
1363 }
1364 XSetFunction( display, physDevDst->gc, GXcopy );
1365 BITBLT_PutDstArea( dcDst, pixmaps[destUsed ? DST : SRC],
1366 physDevDst->gc, &visRectDst );
1367 XFreePixmap( display, pixmaps[DST] );
1368 if (pixmaps[SRC]) XFreePixmap( display, pixmaps[SRC] );
1369 if (pixmaps[TMP]) XFreePixmap( display, pixmaps[TMP] );
1370 XFreeGC( display, tmpGC );
1371 return TRUE;
1372 }
1373
1374 struct StretchBlt_params
1375 {
1376 DC *dcDst;
1377 INT xDst;
1378 INT yDst;
1379 INT widthDst;
1380 INT heightDst;
1381 DC *dcSrc;
1382 INT xSrc;
1383 INT ySrc;
1384 INT widthSrc;
1385 INT heightSrc;
1386 DWORD rop;
1387 };
1388
1389 /***********************************************************************
1390 * BITBLT_DoStretchBlt
1391 *
1392 * Wrapper function for BITBLT_InternalStretchBlt
1393 * to use with CALL_LARGE_STACK.
1394 */
1395 static int BITBLT_DoStretchBlt( const struct StretchBlt_params *p )
1396 {
1397 return (int)BITBLT_InternalStretchBlt( p->dcDst, p->xDst, p->yDst,
1398 p->widthDst, p->heightDst,
1399 p->dcSrc, p->xSrc, p->ySrc,
1400 p->widthSrc, p->heightSrc, p->rop );
1401 }
1402
1403 /***********************************************************************
1404 * X11DRV_PatBlt
1405 */
1406 BOOL X11DRV_PatBlt( DC *dc, INT left, INT top,
1407 INT width, INT height, DWORD rop )
1408 {
1409 struct StretchBlt_params params = { dc, left, top, width, height,
1410 NULL, 0, 0, 0, 0, rop };
1411 BOOL result;
1412 X11DRV_DIB_UpdateDIBSection( dc, FALSE );
1413 EnterCriticalSection( &X11DRV_CritSection );
1414 result = (BOOL)CALL_LARGE_STACK( BITBLT_DoStretchBlt, &params );
1415 LeaveCriticalSection( &X11DRV_CritSection );
1416 X11DRV_DIB_UpdateDIBSection( dc, TRUE );
1417 return result;
1418 }
1419
1420
1421 /***********************************************************************
1422 * X11DRV_BitBlt
1423 */
1424 BOOL X11DRV_BitBlt( DC *dcDst, INT xDst, INT yDst,
1425 INT width, INT height, DC *dcSrc,
1426 INT xSrc, INT ySrc, DWORD rop )
1427 {
1428 struct StretchBlt_params params = { dcDst, xDst, yDst, width, height,
1429 dcSrc, xSrc, ySrc, width, height, rop};
1430 BOOL result;
1431 X11DRV_DIB_UpdateDIBSection( dcDst, FALSE );
1432 X11DRV_DIB_UpdateDIBSection( dcSrc, FALSE );
1433 EnterCriticalSection( &X11DRV_CritSection );
1434 result = (BOOL)CALL_LARGE_STACK( BITBLT_DoStretchBlt, &params );
1435 LeaveCriticalSection( &X11DRV_CritSection );
1436 X11DRV_DIB_UpdateDIBSection( dcDst, TRUE );
1437 return result;
1438 }
1439
1440
1441 /***********************************************************************
1442 * X11DRV_StretchBlt
1443 */
1444 BOOL X11DRV_StretchBlt( DC *dcDst, INT xDst, INT yDst,
1445 INT widthDst, INT heightDst,
1446 DC *dcSrc, INT xSrc, INT ySrc,
1447 INT widthSrc, INT heightSrc, DWORD rop )
1448 {
1449 struct StretchBlt_params params = { dcDst, xDst, yDst, widthDst, heightDst,
1450 dcSrc, xSrc, ySrc, widthSrc, heightSrc,
1451 rop };
1452 BOOL result;
1453 X11DRV_DIB_UpdateDIBSection( dcDst, FALSE );
1454 X11DRV_DIB_UpdateDIBSection( dcSrc, FALSE );
1455 EnterCriticalSection( &X11DRV_CritSection );
1456 result = (BOOL)CALL_LARGE_STACK( BITBLT_DoStretchBlt, &params );
1457 LeaveCriticalSection( &X11DRV_CritSection );
1458 X11DRV_DIB_UpdateDIBSection( dcDst, TRUE );
1459 return result;
1460 }
1461
1462 #endif /* !defined(X_DISPLAY_MISSING) */
Windows API implementation