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Fixed the prototype of CreateDIBPatternBrushPt
[wine/multimedia.git] / graphics / x11drv / bitblt.c
blob7d43a658abd4919dd3e3a7d6b2a721b763ef1436
1 /*
2 * GDI bit-blit operations
3 *
4 * Copyright 1993, 1994 Alexandre Julliard
5 */
6
7 #include <assert.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <X11/Xlib.h>
11 #include <X11/Intrinsic.h>
12 #include "bitmap.h"
13 #include "callback.h"
14 #include "color.h"
15 #include "dc.h"
16 #include "metafile.h"
17 #include "options.h"
18 #include "x11drv.h"
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 #define SWAP_INT32(i1,i2) \
39 do { INT32 __t = *(i1); *(i1) = *(i2); *(i2) = __t; } while(0)
40
41 static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] =
42 {
43 { OP(PAT,DST,GXclear) }, /* 0x00 0 */
44 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnor) }, /* 0x01 ~(D|(P|S)) */
45 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXand) }, /* 0x02 D&~(P|S) */
46 { OP(PAT,SRC,GXnor) }, /* 0x03 ~(P|S) */
47 { OP(PAT,DST,GXnor), OP(SRC,DST,GXand) }, /* 0x04 S&~(D|P) */
48 { OP(PAT,DST,GXnor) }, /* 0x05 ~(D|P) */
49 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnor), }, /* 0x06 ~(P|~(D^S)) */
50 { OP(SRC,DST,GXand), OP(PAT,DST,GXnor) }, /* 0x07 ~(P|(D&S)) */
51 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXand) },/* 0x08 S&D&~P */
52 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnor) }, /* 0x09 ~(P|(D^S)) */
53 { OP(PAT,DST,GXandInverted) }, /* 0x0a D&~P */
54 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXnor) }, /* 0x0b ~(P|(S&~D)) */
55 { OP(PAT,SRC,GXandInverted) }, /* 0x0c S&~P */
56 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXnor) },/* 0x0d ~(P|(D&~S)) */
57 { OP(SRC,DST,GXnor), OP(PAT,DST,GXnor) }, /* 0x0e ~(P|~(D|S)) */
58 { OP(PAT,DST,GXcopyInverted) }, /* 0x0f ~P */
59 { OP(SRC,DST,GXnor), OP(PAT,DST,GXand) }, /* 0x10 P&~(S|D) */
60 { OP(SRC,DST,GXnor) }, /* 0x11 ~(D|S) */
61 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnor) }, /* 0x12 ~(S|~(D^P)) */
62 { OP(PAT,DST,GXand), OP(SRC,DST,GXnor) }, /* 0x13 ~(S|(D&P)) */
63 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnor) }, /* 0x14 ~(D|~(P^S)) */
64 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnor) }, /* 0x15 ~(D|(P&S)) */
65 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
66 OP(TMP,DST,GXand), OP(SRC,DST,GXxor),
67 OP(PAT,DST,GXxor) }, /* 0x16 P^S^(D&~(P&S) */
68 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
69 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
70 OP(TMP,DST,GXequiv) }, /* 0x17 ~S^((S^P)&(S^D))*/
71 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
72 OP(SRC,DST,GXand) }, /* 0x18 (S^P)&(D^P) */
73 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
74 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x19 ~S^(D&~(P&S)) */
75 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
76 OP(PAT,DST,GXxor) }, /* 0x1a P^(D|(S&P)) */
77 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXxor),
78 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x1b ~S^(D&(P^S)) */
79 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
80 OP(PAT,DST,GXxor) }, /* 0x1c P^(S|(D&P)) */
81 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
82 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1d ~D^(S&(D^P)) */
83 { OP(SRC,DST,GXor), OP(PAT,DST,GXxor) }, /* 0x1e P^(D|S) */
84 { OP(SRC,DST,GXor), OP(PAT,DST,GXnand) }, /* 0x1f ~(P&(D|S)) */
85 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXand) }, /* 0x20 D&(P&~S) */
86 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnor) }, /* 0x21 ~(S|(D^P)) */
87 { OP(SRC,DST,GXandInverted) }, /* 0x22 ~S&D */
88 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x23 ~(S|(P&~D)) */
89 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
90 OP(SRC,DST,GXand) }, /* 0x24 (S^P)&(S^D) */
91 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand),
92 OP(PAT,DST,GXequiv) }, /* 0x25 ~P^(D&~(S&P)) */
93 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
94 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x26 S^(D|(S&P)) */
95 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXequiv),
96 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x27 S^(D|~(P^S)) */
97 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand) }, /* 0x28 D&(P^S) */
98 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
99 OP(TMP,DST,GXor), OP(SRC,DST,GXxor),
100 OP(PAT,DST,GXequiv) }, /* 0x29 ~P^S^(D|(P&S)) */
101 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand) }, /* 0x2a D&~(P&S) */
102 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
103 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
104 OP(TMP,DST,GXequiv) }, /* 0x2b ~S^((P^S)&(P^D))*/
105 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
106 OP(SRC,DST,GXxor) }, /* 0x2c S^(P&(S|D)) */
107 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXxor) }, /* 0x2d P^(S|~D) */
108 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
109 OP(PAT,DST,GXxor) }, /* 0x2e P^(S|(D^P)) */
110 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXnand) }, /* 0x2f ~(P&(S|~D)) */
111 { OP(PAT,SRC,GXandReverse) }, /* 0x30 P&~S */
112 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXnor) },/* 0x31 ~(S|(D&~P)) */
113 { OP(SRC,DST,GXor), OP(PAT,DST,GXor),
114 OP(SRC,DST,GXxor) }, /* 0x32 S^(D|P|S) */
115 { OP(SRC,DST,GXcopyInverted) }, /* 0x33 ~S */
116 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
117 OP(SRC,DST,GXxor) }, /* 0x34 S^(P|(D&S)) */
118 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor),
119 OP(SRC,DST,GXxor) }, /* 0x35 S^(P|~(D^S)) */
120 { OP(PAT,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x36 S^(D|P) */
121 { OP(PAT,DST,GXor), OP(SRC,DST,GXnand) }, /* 0x37 ~(S&(D|P)) */
122 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
123 OP(PAT,DST,GXxor) }, /* 0x38 P^(S&(D|P)) */
124 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x39 S^(P|~D) */
125 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
126 OP(SRC,DST,GXxor) }, /* 0x3a S^(P|(D^S)) */
127 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x3b ~(S&(P|~D)) */
128 { OP(PAT,SRC,GXxor) }, /* 0x3c P^S */
129 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
130 OP(SRC,DST,GXxor) }, /* 0x3d S^(P|~(D|S)) */
131 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
132 OP(SRC,DST,GXxor) }, /* 0x3e S^(P|(D&~S)) */
133 { OP(PAT,SRC,GXnand) }, /* 0x3f ~(P&S) */
134 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXand) }, /* 0x40 P&S&~D */
135 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnor) }, /* 0x41 ~(D|(P^S)) */
136 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
137 OP(SRC,DST,GXand) }, /* 0x42 (S^D)&(P^D) */
138 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
139 OP(SRC,DST,GXequiv) }, /* 0x43 ~S^(P&~(D&S)) */
140 { OP(SRC,DST,GXandReverse) }, /* 0x44 S&~D */
141 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x45 ~(D|(P&~S)) */
142 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
143 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x46 D^(S|(P&D)) */
144 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
145 OP(PAT,DST,GXequiv) }, /* 0x47 ~P^(S&(D^P)) */
146 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand) }, /* 0x48 S&(P^D) */
147 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
148 OP(SRC,DST,GXor), OP(TMP,DST,GXxor),
149 OP(PAT,DST,GXequiv) }, /* 0x49 ~P^D^(S|(P&D)) */
150 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
151 OP(SRC,DST,GXxor) }, /* 0x4a D^(P&(S|D)) */
152 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXxor) }, /* 0x4b P^(D|~S) */
153 { OP(PAT,DST,GXnand), OP(SRC,DST,GXand) }, /* 0x4c S&~(D&P) */
154 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
155 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
156 OP(TMP,DST,GXequiv) }, /* 0x4d ~S^((S^P)|(S^D))*/
157 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
158 OP(PAT,DST,GXxor) }, /* 0x4e P^(D|(S^P)) */
159 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXnand) },/* 0x4f ~(P&(D|~S)) */
160 { OP(PAT,DST,GXandReverse) }, /* 0x50 P&~D */
161 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXnor) },/* 0x51 ~(D|(S&~P)) */
162 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
163 OP(SRC,DST,GXxor) }, /* 0x52 D^(P|(S&D)) */
164 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
165 OP(SRC,DST,GXequiv) }, /* 0x53 ~S^(P&(D^S)) */
166 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXnor) }, /* 0x54 ~(D|~(P|S)) */
167 { OP(PAT,DST,GXinvert) }, /* 0x55 ~D */
168 { OP(PAT,SRC,GXor), OP(SRC,DST,GXxor) }, /* 0x56 D^(P|S) */
169 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnand) }, /* 0x57 ~(D&(P|S)) */
170 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
171 OP(PAT,DST,GXxor) }, /* 0x58 P^(D&(P|S)) */
172 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x59 D^(P|~S) */
173 { OP(PAT,DST,GXxor) }, /* 0x5a D^P */
174 { OP(DST,SRC,GXnor), OP(PAT,SRC,GXor),
175 OP(SRC,DST,GXxor) }, /* 0x5b D^(P|~(S|D)) */
176 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
177 OP(SRC,DST,GXxor) }, /* 0x5c D^(P|(S^D)) */
178 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x5d ~(D&(P|~S)) */
179 { OP(DST,SRC,GXandInverted), OP(PAT,SRC,GXor),
180 OP(SRC,DST,GXxor) }, /* 0x5e D^(P|(S&~D)) */
181 { OP(PAT,DST,GXnand) }, /* 0x5f ~(D&P) */
182 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand) }, /* 0x60 P&(D^S) */
183 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
184 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
185 OP(TMP,DST,GXequiv) }, /* 0x61 ~D^S^(P|(D&S)) */
186 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
187 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x62 D^(S&(P|D)) */
188 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x63 S^(D|~P) */
189 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
190 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x64 S^(D&(P|S)) */
191 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x65 D^(S|~P) */
192 { OP(SRC,DST,GXxor) }, /* 0x66 S^D */
193 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
194 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x67 S^(D|~(S|P) */
195 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnor),
196 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
197 OP(TMP,DST,GXequiv) }, /* 0x68 ~D^S^(P|~(D|S))*/
198 { OP(SRC,DST,GXxor), OP(PAT,DST,GXequiv) }, /* 0x69 ~P^(D^S) */
199 { OP(PAT,SRC,GXand), OP(SRC,DST,GXxor) }, /* 0x6a D^(P&S) */
200 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
201 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
202 OP(PAT,DST,GXequiv) }, /* 0x6b ~P^S^(D&(P|S)) */
203 { OP(PAT,DST,GXand), OP(SRC,DST,GXxor) }, /* 0x6c S^(D&P) */
204 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
205 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
206 OP(PAT,DST,GXequiv) }, /* 0x6d ~P^D^(S&(P|D)) */
207 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
208 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x6e S^(D&(P|~S)) */
209 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnand) }, /* 0x6f ~(P&~(S^D)) */
210 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand) }, /* 0x70 P&~(D&S) */
211 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
212 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
213 OP(TMP,DST,GXequiv) }, /* 0x71 ~S^((S^D)&(P^D))*/
214 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
215 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x72 S^(D|(P^S)) */
216 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXnand) },/* 0x73 ~(S&(D|~P)) */
217 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
218 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x74 D^(S|(P^D)) */
219 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXnand) },/* 0x75 ~(D&(S|~P)) */
220 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
221 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x76 S^(D|(P&~S)) */
222 { OP(SRC,DST,GXnand) }, /* 0x77 ~(S&D) */
223 { OP(SRC,DST,GXand), OP(PAT,DST,GXxor) }, /* 0x78 P^(D&S) */
224 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
225 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
226 OP(TMP,DST,GXequiv) }, /* 0x79 ~D^S^(P&(D|S)) */
227 { OP(DST,SRC,GXorInverted), OP(PAT,SRC,GXand),
228 OP(SRC,DST,GXxor) }, /* 0x7a D^(P&(S|~D)) */
229 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7b ~(S&~(D^P)) */
230 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
231 OP(SRC,DST,GXxor) }, /* 0x7c S^(P&(D|~S)) */
232 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7d ~(D&~(P^S)) */
233 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
234 OP(SRC,DST,GXor) }, /* 0x7e (S^P)|(S^D) */
235 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnand) }, /* 0x7f ~(D&P&S) */
236 { OP(PAT,SRC,GXand), OP(SRC,DST,GXand) }, /* 0x80 D&P&S */
237 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
238 OP(SRC,DST,GXnor) }, /* 0x81 ~((S^P)|(S^D)) */
239 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXand) }, /* 0x82 D&~(P^S) */
240 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
241 OP(SRC,DST,GXequiv) }, /* 0x83 ~S^(P&(D|~S)) */
242 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXand) }, /* 0x84 S&~(D^P) */
243 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand),
244 OP(PAT,DST,GXequiv) }, /* 0x85 ~P^(D&(S|~P)) */
245 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
246 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
247 OP(TMP,DST,GXxor) }, /* 0x86 D^S^(P&(D|S)) */
248 { OP(SRC,DST,GXand), OP(PAT,DST,GXequiv) }, /* 0x87 ~P^(D&S) */
249 { OP(SRC,DST,GXand) }, /* 0x88 S&D */
250 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
251 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x89 ~S^(D|(P&~S)) */
252 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8a D&(S|~P) */
253 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
254 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8b ~D^(S|(P^D)) */
255 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8c S&(D|~P) */
256 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
257 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8d ~S^(D|(P^S)) */
258 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
259 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
260 OP(TMP,DST,GXxor) }, /* 0x8e S^((S^D)&(P^D))*/
261 { OP(SRC,DST,GXnand), OP(PAT,DST,GXnand) }, /* 0x8f ~(P&~(D&S)) */
262 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXand) }, /* 0x90 P&~(D^S) */
263 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
264 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x91 ~S^(D&(P|~S)) */
265 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
266 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
267 OP(TMP,DST,GXxor) }, /* 0x92 D^P^(S&(D|P)) */
268 { OP(PAT,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x93 ~S^(P&D) */
269 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
270 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
271 OP(TMP,DST,GXxor) }, /* 0x94 S^P^(D&(P|S)) */
272 { OP(PAT,SRC,GXand), OP(SRC,DST,GXequiv) }, /* 0x95 ~D^(P&S) */
273 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXxor) }, /* 0x96 D^P^S */
274 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
275 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
276 OP(TMP,DST,GXxor) }, /* 0x97 S^P^(D|~(P|S)) */
277 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
278 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x98 ~S^(D|~(P|S)) */
279 { OP(SRC,DST,GXequiv) }, /* 0x99 ~S^D */
280 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9a D^(P&~S) */
281 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
282 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9b ~S^(D&(P|S)) */
283 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9c S^(P&~D) */
284 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
285 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9d ~D^(S&(P|D)) */
286 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
287 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
288 OP(TMP,DST,GXxor) }, /* 0x9e D^S^(P|(D&S)) */
289 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnand) }, /* 0x9f ~(P&(D^S)) */
290 { OP(PAT,DST,GXand) }, /* 0xa0 D&P */
291 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor),
292 OP(PAT,DST,GXequiv) }, /* 0xa1 ~P^(D|(S&~P)) */
293 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXand) }, /* 0xa2 D&(P|~S) */
294 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
295 OP(SRC,DST,GXequiv) }, /* 0xa3 ~D^(P|(S^D)) */
296 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor),
297 OP(PAT,DST,GXequiv) }, /* 0xa4 ~P^(D|~(S|P)) */
298 { OP(PAT,DST,GXequiv) }, /* 0xa5 ~P^D */
299 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXxor) },/* 0xa6 D^(S&~P) */
300 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
301 OP(PAT,DST,GXequiv) }, /* 0xa7 ~P^(D&(S|P)) */
302 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand) }, /* 0xa8 D&(P|S) */
303 { OP(PAT,SRC,GXor), OP(SRC,DST,GXequiv) }, /* 0xa9 ~D^(P|S) */
304 { OP(SRC,DST,GXnoop) }, /* 0xaa D */
305 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor) }, /* 0xab D|~(P|S) */
306 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
307 OP(SRC,DST,GXxor) }, /* 0xac S^(P&(D^S)) */
308 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
309 OP(SRC,DST,GXequiv) }, /* 0xad ~D^(P|(S&D)) */
310 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor) }, /* 0xae D|(S&~P) */
311 { OP(PAT,DST,GXorInverted) }, /* 0xaf D|~P */
312 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand) }, /* 0xb0 P&(D|~S) */
313 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
314 OP(PAT,DST,GXequiv) }, /* 0xb1 ~P^(D|(S^P)) */
315 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
316 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
317 OP(TMP,DST,GXxor) }, /* 0xb2 S^((S^P)|(S^D))*/
318 { OP(PAT,DST,GXnand), OP(SRC,DST,GXnand) }, /* 0xb3 ~(S&~(D&P)) */
319 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXxor) }, /* 0xb4 P^(S&~D) */
320 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
321 OP(SRC,DST,GXequiv) }, /* 0xb5 ~D^(P&(S|D)) */
322 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
323 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
324 OP(TMP,DST,GXxor) }, /* 0xb6 D^P^(S|(D&P)) */
325 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnand) }, /* 0xb7 ~(S&(D^P)) */
326 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
327 OP(PAT,DST,GXxor) }, /* 0xb8 P^(S&(D^P)) */
328 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
329 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xb9 ~D^(S|(P&D)) */
330 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXor) }, /* 0xba D|(P&~S) */
331 { OP(SRC,DST,GXorInverted) }, /* 0xbb ~S|D */
332 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
333 OP(SRC,DST,GXxor) }, /* 0xbc S^(P&~(D&S)) */
334 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
335 OP(SRC,DST,GXnand) }, /* 0xbd ~((S^D)&(P^D)) */
336 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor) }, /* 0xbe D|(P^S) */
337 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXor) }, /* 0xbf D|~(P&S) */
338 { OP(PAT,SRC,GXand) }, /* 0xc0 P&S */
339 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
340 OP(SRC,DST,GXequiv) }, /* 0xc1 ~S^(P|(D&~S)) */
341 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
342 OP(SRC,DST,GXequiv) }, /* 0xc2 ~S^(P|~(D|S)) */
343 { OP(PAT,SRC,GXequiv) }, /* 0xc3 ~P^S */
344 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXand) }, /* 0xc4 S&(P|~D) */
345 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
346 OP(SRC,DST,GXequiv) }, /* 0xc5 ~S^(P|(D^S)) */
347 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXxor) },/* 0xc6 S^(D&~P) */
348 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
349 OP(PAT,DST,GXequiv) }, /* 0xc7 ~P^(S&(D|P)) */
350 { OP(PAT,DST,GXor), OP(SRC,DST,GXand) }, /* 0xc8 S&(D|P) */
351 { OP(PAT,DST,GXor), OP(SRC,DST,GXequiv) }, /* 0xc9 ~S^(P|D) */
352 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXand),
353 OP(SRC,DST,GXxor) }, /* 0xca D^(P&(S^D)) */
354 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
355 OP(SRC,DST,GXequiv) }, /* 0xcb ~S^(P|(D&S)) */
356 { OP(SRC,DST,GXcopy) }, /* 0xcc S */
357 { OP(PAT,DST,GXnor), OP(SRC,DST,GXor) }, /* 0xcd S|~(D|P) */
358 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXor) }, /* 0xce S|(D&~P) */
359 { OP(PAT,SRC,GXorInverted) }, /* 0xcf S|~P */
360 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXand) }, /* 0xd0 P&(S|~D) */
361 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
362 OP(PAT,DST,GXequiv) }, /* 0xd1 ~P^(S|(D^P)) */
363 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXxor) },/* 0xd2 P^(D&~S) */
364 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
365 OP(SRC,DST,GXequiv) }, /* 0xd3 ~S^(P&(D|S)) */
366 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
367 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
368 OP(TMP,DST,GXxor) }, /* 0xd4 S^((S^P)&(D^P))*/
369 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXnand) }, /* 0xd5 ~(D&~(P&S)) */
370 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
371 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
372 OP(TMP,DST,GXxor) }, /* 0xd6 S^P^(D|(P&S)) */
373 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnand) }, /* 0xd7 ~(D&(P^S)) */
374 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
375 OP(PAT,DST,GXxor) }, /* 0xd8 P^(D&(S^P)) */
376 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
377 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xd9 ~S^(D|(P&S)) */
378 { OP(DST,SRC,GXnand), OP(PAT,SRC,GXand),
379 OP(SRC,DST,GXxor) }, /* 0xda D^(P&~(S&D)) */
380 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
381 OP(SRC,DST,GXnand) }, /* 0xdb ~((S^P)&(S^D)) */
382 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXor) }, /* 0xdc S|(P&~D) */
383 { OP(SRC,DST,GXorReverse) }, /* 0xdd S|~D */
384 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor) }, /* 0xde S|(D^P) */
385 { OP(PAT,DST,GXnand), OP(SRC,DST,GXor) }, /* 0xdf S|~(D&P) */
386 { OP(SRC,DST,GXor), OP(PAT,DST,GXand) }, /* 0xe0 P&(D|S) */
387 { OP(SRC,DST,GXor), OP(PAT,DST,GXequiv) }, /* 0xe1 ~P^(D|S) */
388 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
389 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe2 D^(S&(P^D)) */
390 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
391 OP(PAT,DST,GXequiv) }, /* 0xe3 ~P^(S|(D&P)) */
392 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
393 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe4 S^(D&(P^S)) */
394 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
395 OP(PAT,DST,GXequiv) }, /* 0xe5 ~P^(D|(S&P)) */
396 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
397 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe6 S^(D&~(P&S)) */
398 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
399 OP(SRC,DST,GXnand) }, /* 0xe7 ~((S^P)&(D^P)) */
400 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
401 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
402 OP(TMP,DST,GXxor) }, /* 0xe8 S^((S^P)&(S^D))*/
403 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnand),
404 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
405 OP(TMP,DST,GXequiv) }, /* 0xe9 ~D^S^(P&~(S&D))*/
406 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor) }, /* 0xea D|(P&S) */
407 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXor) }, /* 0xeb D|~(P^S) */
408 { OP(PAT,DST,GXand), OP(SRC,DST,GXor) }, /* 0xec S|(D&P) */
409 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXor) }, /* 0xed S|~(D^P) */
410 { OP(SRC,DST,GXor) }, /* 0xee S|D */
411 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXor) }, /* 0xef S|D|~P */
412 { OP(PAT,DST,GXcopy) }, /* 0xf0 P */
413 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor) }, /* 0xf1 P|~(D|S) */
414 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor) }, /* 0xf2 P|(D&~S) */
415 { OP(PAT,SRC,GXorReverse) }, /* 0xf3 P|~S */
416 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXor) }, /* 0xf4 P|(S&~D) */
417 { OP(PAT,DST,GXorReverse) }, /* 0xf5 P|~D */
418 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor) }, /* 0xf6 P|(D^S) */
419 { OP(SRC,DST,GXnand), OP(PAT,DST,GXor) }, /* 0xf7 P|~(S&D) */
420 { OP(SRC,DST,GXand), OP(PAT,DST,GXor) }, /* 0xf8 P|(D&S) */
421 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor) }, /* 0xf9 P|~(D^S) */
422 { OP(PAT,DST,GXor) }, /* 0xfa D|P */
423 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXor) }, /* 0xfb D|P|~S */
424 { OP(PAT,SRC,GXor) }, /* 0xfc P|S */
425 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXor) }, /* 0xfd P|S|~D */
426 { OP(SRC,DST,GXor), OP(PAT,DST,GXor) }, /* 0xfe P|D|S */
427 { OP(PAT,DST,GXset) } /* 0xff 1 */
428 };
429
430
431 #ifdef BITBLT_TEST /* Opcodes test */
432
433 static int do_bitop( int s, int d, int rop )
434 {
435 int res;
436 switch(rop)
437 {
438 case GXclear: res = 0; break;
439 case GXand: res = s & d; break;
440 case GXandReverse: res = s & ~d; break;
441 case GXcopy: res = s; break;
442 case GXandInverted: res = ~s & d; break;
443 case GXnoop: res = d; break;
444 case GXxor: res = s ^ d; break;
445 case GXor: res = s | d; break;
446 case GXnor: res = ~(s | d); break;
447 case GXequiv: res = ~s ^ d; break;
448 case GXinvert: res = ~d; break;
449 case GXorReverse: res = s | ~d; break;
450 case GXcopyInverted: res = ~s; break;
451 case GXorInverted: res = ~s | d; break;
452 case GXnand: res = ~(s & d); break;
453 case GXset: res = 1; break;
454 }
455 return res & 1;
456 }
457
458 main()
459 {
460 int rop, i, res, src, dst, pat, tmp, dstUsed;
461 const BYTE *opcode;
462
463 for (rop = 0; rop < 256; rop++)
464 {
465 res = dstUsed = 0;
466 for (i = 0; i < 8; i++)
467 {
468 pat = (i >> 2) & 1;
469 src = (i >> 1) & 1;
470 dst = i & 1;
471 for (opcode = BITBLT_Opcodes[rop]; *opcode; opcode++)
472 {
473 switch(*opcode >> 4)
474 {
475 case OP_ARGS(DST,TMP):
476 tmp = do_bitop( dst, tmp, *opcode & 0xf );
477 break;
478 case OP_ARGS(DST,SRC):
479 src = do_bitop( dst, src, *opcode & 0xf );
480 break;
481 case OP_ARGS(SRC,TMP):
482 tmp = do_bitop( src, tmp, *opcode & 0xf );
483 break;
484 case OP_ARGS(SRC,DST):
485 dst = do_bitop( src, dst, *opcode & 0xf );
486 dstUsed = 1;
487 break;
488 case OP_ARGS(PAT,TMP):
489 tmp = do_bitop( pat, tmp, *opcode & 0xf );
490 break;
491 case OP_ARGS(PAT,DST):
492 dst = do_bitop( pat, dst, *opcode & 0xf );
493 dstUsed = 1;
494 break;
495 case OP_ARGS(PAT,SRC):
496 src = do_bitop( pat, src, *opcode & 0xf );
497 break;
498 case OP_ARGS(TMP,DST):
499 dst = do_bitop( tmp, dst, *opcode & 0xf );
500 dstUsed = 1;
501 break;
502 case OP_ARGS(TMP,SRC):
503 src = do_bitop( tmp, src, *opcode & 0xf );
504 break;
505 default:
506 printf( "Invalid opcode %x\n", *opcode );
507 }
508 }
509 if (!dstUsed) dst = src;
510 if (dst) res |= 1 << i;
511 }
512 if (res != rop) printf( "%02x: ERROR, res=%02x\n", rop, res );
513 }
514 }
515
516 #endif /* BITBLT_TEST */
517
518
519 /***********************************************************************
520 * BITBLT_StretchRow
521 *
522 * Stretch a row of pixels. Helper function for BITBLT_StretchImage.
523 */
524 static void BITBLT_StretchRow( int *rowSrc, int *rowDst,
525 INT32 startDst, INT32 widthDst,
526 INT32 xinc, INT32 xoff, WORD mode )
527 {
528 register INT32 xsrc = xinc * startDst + xoff;
529 rowDst += startDst;
530 switch(mode)
531 {
532 case STRETCH_ANDSCANS:
533 for(; widthDst > 0; widthDst--, xsrc += xinc)
534 *rowDst++ &= rowSrc[xsrc >> 16];
535 break;
536 case STRETCH_ORSCANS:
537 for(; widthDst > 0; widthDst--, xsrc += xinc)
538 *rowDst++ |= rowSrc[xsrc >> 16];
539 break;
540 case STRETCH_DELETESCANS:
541 for(; widthDst > 0; widthDst--, xsrc += xinc)
542 *rowDst++ = rowSrc[xsrc >> 16];
543 break;
544 }
545 }
546
547
548 /***********************************************************************
549 * BITBLT_ShrinkRow
550 *
551 * Shrink a row of pixels. Helper function for BITBLT_StretchImage.
552 */
553 static void BITBLT_ShrinkRow( int *rowSrc, int *rowDst,
554 INT32 startSrc, INT32 widthSrc,
555 INT32 xinc, INT32 xoff, WORD mode )
556 {
557 register INT32 xdst = xinc * startSrc + xoff;
558 rowSrc += startSrc;
559 switch(mode)
560 {
561 case STRETCH_ORSCANS:
562 for(; widthSrc > 0; widthSrc--, xdst += xinc)
563 rowDst[xdst >> 16] |= *rowSrc++;
564 break;
565 case STRETCH_ANDSCANS:
566 for(; widthSrc > 0; widthSrc--, xdst += xinc)
567 rowDst[xdst >> 16] &= *rowSrc++;
568 break;
569 case STRETCH_DELETESCANS:
570 for(; widthSrc > 0; widthSrc--, xdst += xinc)
571 rowDst[xdst >> 16] = *rowSrc++;
572 break;
573 }
574 }
575
576
577 /***********************************************************************
578 * BITBLT_GetRow
579 *
580 * Retrieve a row from an image. Helper function for BITBLT_StretchImage.
581 */
582 static void BITBLT_GetRow( XImage *image, int *pdata, INT32 row,
583 INT32 start, INT32 width, INT32 depthDst,
584 int fg, int bg, BOOL32 swap)
585 {
586 register INT32 i;
587
588 assert( (row >= 0) && (row < image->height) );
589 assert( (start >= 0) && (width <= image->width) );
590
591 pdata += swap ? start+width-1 : start;
592 if (image->depth == depthDst) /* color -> color */
593 {
594 if (COLOR_PixelToPalette && (depthDst != 1))
595 if (swap) for (i = 0; i < width; i++)
596 *pdata-- = COLOR_PixelToPalette[XGetPixel( image, i, row )];
597 else for (i = 0; i < width; i++)
598 *pdata++ = COLOR_PixelToPalette[XGetPixel( image, i, row )];
599 else
600 if (swap) for (i = 0; i < width; i++)
601 *pdata-- = XGetPixel( image, i, row );
602 else for (i = 0; i < width; i++)
603 *pdata++ = XGetPixel( image, i, row );
604 }
605 else
606 {
607 if (image->depth == 1) /* monochrome -> color */
608 {
609 if (COLOR_PixelToPalette)
610 {
611 fg = COLOR_PixelToPalette[fg];
612 bg = COLOR_PixelToPalette[bg];
613 }
614 if (swap) for (i = 0; i < width; i++)
615 *pdata-- = XGetPixel( image, i, row ) ? bg : fg;
616 else for (i = 0; i < width; i++)
617 *pdata++ = XGetPixel( image, i, row ) ? bg : fg;
618 }
619 else /* color -> monochrome */
620 {
621 if (swap) for (i = 0; i < width; i++)
622 *pdata-- = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
623 else for (i = 0; i < width; i++)
624 *pdata++ = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
625 }
626 }
627 }
628
629
630 /***********************************************************************
631 * BITBLT_StretchImage
632 *
633 * Stretch an X image.
634 * FIXME: does not work for full 32-bit coordinates.
635 */
636 static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage,
637 INT32 widthSrc, INT32 heightSrc,
638 INT32 widthDst, INT32 heightDst,
639 RECT32 *visRectSrc, RECT32 *visRectDst,
640 int foreground, int background, WORD mode )
641 {
642 int *rowSrc, *rowDst, *pixel;
643 char *pdata;
644 INT32 xinc, xoff, yinc, ysrc, ydst;
645 register INT32 x, y;
646 BOOL32 hstretch, vstretch, hswap, vswap;
647
648 hswap = ((int)widthSrc * widthDst) < 0;
649 vswap = ((int)heightSrc * heightDst) < 0;
650 widthSrc = abs(widthSrc);
651 heightSrc = abs(heightSrc);
652 widthDst = abs(widthDst);
653 heightDst = abs(heightDst);
654
655 if (!(rowSrc = (int *)HeapAlloc( GetProcessHeap(), 0,
656 (widthSrc+widthDst)*sizeof(int) ))) return;
657 rowDst = rowSrc + widthSrc;
658
659 /* When stretching, all modes are the same, and DELETESCANS is faster */
660 if ((widthSrc < widthDst) && (heightSrc < heightDst))
661 mode = STRETCH_DELETESCANS;
662
663 if (mode != STRETCH_DELETESCANS)
664 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
665 widthDst*sizeof(int) );
666
667 hstretch = (widthSrc < widthDst);
668 vstretch = (heightSrc < heightDst);
669
670 if (hstretch)
671 {
672 xinc = ((int)widthSrc << 16) / widthDst;
673 xoff = ((widthSrc << 16) - (xinc * widthDst)) / 2;
674 }
675 else
676 {
677 xinc = ((int)widthDst << 16) / widthSrc;
678 xoff = ((widthDst << 16) - (xinc * widthSrc)) / 2;
679 }
680
681 if (vstretch)
682 {
683 yinc = ((int)heightSrc << 16) / heightDst;
684 ydst = visRectDst->top;
685 if (vswap)
686 {
687 ysrc = yinc * (heightDst - ydst - 1);
688 yinc = -yinc;
689 }
690 else
691 ysrc = yinc * ydst;
692
693 for ( ; (ydst < visRectDst->bottom); ysrc += yinc, ydst++)
694 {
695 if (((ysrc >> 16) < visRectSrc->top) ||
696 ((ysrc >> 16) >= visRectSrc->bottom)) continue;
697
698 /* Retrieve a source row */
699 BITBLT_GetRow( srcImage, rowSrc, (ysrc >> 16) - visRectSrc->top,
700 hswap ? widthSrc - visRectSrc->right
701 : visRectSrc->left,
702 visRectSrc->right - visRectSrc->left,
703 dstImage->depth, foreground, background, hswap );
704
705 /* Stretch or shrink it */
706 if (hstretch)
707 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left,
708 visRectDst->right - visRectDst->left,
709 xinc, xoff, mode );
710 else BITBLT_ShrinkRow( rowSrc, rowDst,
711 hswap ? widthSrc - visRectSrc->right
712 : visRectSrc->left,
713 visRectSrc->right - visRectSrc->left,
714 xinc, xoff, mode );
715
716 /* Store the destination row */
717 pixel = rowDst + visRectDst->right - 1;
718 y = ydst - visRectDst->top;
719 for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--)
720 XPutPixel( dstImage, x, y, *pixel-- );
721 if (mode != STRETCH_DELETESCANS)
722 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
723 widthDst*sizeof(int) );
724
725 /* Make copies of the destination row */
726
727 pdata = dstImage->data + dstImage->bytes_per_line * y;
728 while (((ysrc + yinc) >> 16 == ysrc >> 16) &&
729 (ydst < visRectDst->bottom-1))
730 {
731 memcpy( pdata + dstImage->bytes_per_line, pdata,
732 dstImage->bytes_per_line );
733 pdata += dstImage->bytes_per_line;
734 ysrc += yinc;
735 ydst++;
736 }
737 }
738 }
739 else /* Shrinking */
740 {
741 yinc = ((int)heightDst << 16) / heightSrc;
742 ysrc = visRectSrc->top;
743 ydst = ((heightDst << 16) - (yinc * heightSrc)) / 2;
744 if (vswap)
745 {
746 ydst += yinc * (heightSrc - ysrc - 1);
747 yinc = -yinc;
748 }
749 else
750 ydst += yinc * ysrc;
751
752 for( ; (ysrc < visRectSrc->bottom); ydst += yinc, ysrc++)
753 {
754 if (((ydst >> 16) < visRectDst->top) ||
755 ((ydst >> 16) >= visRectDst->bottom)) continue;
756
757 /* Retrieve a source row */
758 BITBLT_GetRow( srcImage, rowSrc, ysrc - visRectSrc->top,
759 hswap ? widthSrc - visRectSrc->right
760 : visRectSrc->left,
761 visRectSrc->right - visRectSrc->left,
762 dstImage->depth, foreground, background, hswap );
763
764 /* Stretch or shrink it */
765 if (hstretch)
766 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left,
767 visRectDst->right - visRectDst->left,
768 xinc, xoff, mode );
769 else BITBLT_ShrinkRow( rowSrc, rowDst,
770 hswap ? widthSrc - visRectSrc->right
771 : visRectSrc->left,
772 visRectSrc->right - visRectSrc->left,
773 xinc, xoff, mode );
774
775 /* Merge several source rows into the destination */
776 if (mode == STRETCH_DELETESCANS)
777 {
778 /* Simply skip the overlapping rows */
779 while (((ydst + yinc) >> 16 == ydst >> 16) &&
780 (ysrc < visRectSrc->bottom-1))
781 {
782 ydst += yinc;
783 ysrc++;
784 }
785 }
786 else if (((ydst + yinc) >> 16 == ydst >> 16) &&
787 (ysrc < visRectSrc->bottom-1))
788 continue; /* Restart loop for next overlapping row */
789
790 /* Store the destination row */
791 pixel = rowDst + visRectDst->right - 1;
792 y = (ydst >> 16) - visRectDst->top;
793 for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--)
794 XPutPixel( dstImage, x, y, *pixel-- );
795 if (mode != STRETCH_DELETESCANS)
796 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
797 widthDst*sizeof(int) );
798 }
799 }
800 HeapFree( GetProcessHeap(), 0, rowSrc );
801 }
802
803
804 /***********************************************************************
805 * BITBLT_GetSrcAreaStretch
806 *
807 * Retrieve an area from the source DC, stretching and mapping all the
808 * pixels to Windows colors.
809 */
810 static void BITBLT_GetSrcAreaStretch( DC *dcSrc, DC *dcDst,
811 Pixmap pixmap, GC gc,
812 INT32 xSrc, INT32 ySrc,
813 INT32 widthSrc, INT32 heightSrc,
814 INT32 xDst, INT32 yDst,
815 INT32 widthDst, INT32 heightDst,
816 RECT32 *visRectSrc, RECT32 *visRectDst )
817 {
818 XImage *imageSrc, *imageDst;
819 X11DRV_PDEVICE *physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev;
820 X11DRV_PDEVICE *physDevDst = (X11DRV_PDEVICE *)dcDst->physDev;
821
822 RECT32 rectSrc = *visRectSrc;
823 RECT32 rectDst = *visRectDst;
824
825 if (widthSrc < 0) xSrc += widthSrc;
826 if (widthDst < 0) xDst += widthDst;
827 if (heightSrc < 0) ySrc += heightSrc;
828 if (heightDst < 0) yDst += heightDst;
829 OffsetRect32( &rectSrc, -xSrc, -ySrc );
830 OffsetRect32( &rectDst, -xDst, -yDst );
831
832 /* FIXME: avoid BadMatch errors */
833 imageSrc = XGetImage( display, physDevSrc->drawable,
834 visRectSrc->left, visRectSrc->top,
835 visRectSrc->right - visRectSrc->left,
836 visRectSrc->bottom - visRectSrc->top,
837 AllPlanes, ZPixmap );
838 XCREATEIMAGE( imageDst, rectDst.right - rectDst.left,
839 rectDst.bottom - rectDst.top, dcDst->w.bitsPerPixel );
840 BITBLT_StretchImage( imageSrc, imageDst, widthSrc, heightSrc,
841 widthDst, heightDst, &rectSrc, &rectDst,
842 physDevDst->textPixel, dcDst->w.bitsPerPixel != 1 ?
843 physDevDst->backgroundPixel :
844 physDevSrc->backgroundPixel,
845 dcDst->w.stretchBltMode );
846 XPutImage( display, pixmap, gc, imageDst, 0, 0, 0, 0,
847 rectDst.right - rectDst.left, rectDst.bottom - rectDst.top );
848 XDestroyImage( imageSrc );
849 XDestroyImage( imageDst );
850 }
851
852
853 /***********************************************************************
854 * BITBLT_GetSrcArea
855 *
856 * Retrieve an area from the source DC, mapping all the
857 * pixels to Windows colors.
858 */
859 static void BITBLT_GetSrcArea( DC *dcSrc, DC *dcDst, Pixmap pixmap, GC gc,
860 INT32 xSrc, INT32 ySrc, RECT32 *visRectSrc )
861 {
862 XImage *imageSrc, *imageDst;
863 register INT32 x, y;
864 INT32 width = visRectSrc->right - visRectSrc->left;
865 INT32 height = visRectSrc->bottom - visRectSrc->top;
866 X11DRV_PDEVICE *physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev;
867 X11DRV_PDEVICE *physDevDst = (X11DRV_PDEVICE *)dcDst->physDev;
868
869 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
870 {
871 if (!COLOR_PixelToPalette ||
872 (dcDst->w.bitsPerPixel == 1)) /* monochrome -> monochrome */
873 {
874 XCopyArea( display, physDevSrc->drawable, pixmap, gc,
875 visRectSrc->left, visRectSrc->top, width, height, 0, 0);
876 }
877 else /* color -> color */
878 {
879 if (dcSrc->w.flags & DC_MEMORY)
880 imageSrc = XGetImage( display, physDevSrc->drawable,
881 visRectSrc->left, visRectSrc->top,
882 width, height, AllPlanes, ZPixmap );
883 else
884 {
885 /* Make sure we don't get a BadMatch error */
886 XCopyArea( display, physDevSrc->drawable, pixmap, gc,
887 visRectSrc->left, visRectSrc->top,
888 width, height, 0, 0);
889 imageSrc = XGetImage( display, pixmap, 0, 0, width, height,
890 AllPlanes, ZPixmap );
891 }
892 for (y = 0; y < height; y++)
893 for (x = 0; x < width; x++)
894 XPutPixel(imageSrc, x, y,
895 COLOR_PixelToPalette[XGetPixel(imageSrc, x, y)]);
896 XPutImage( display, pixmap, gc, imageSrc,
897 0, 0, 0, 0, width, height );
898 XDestroyImage( imageSrc );
899 }
900 }
901 else
902 {
903 if (dcSrc->w.bitsPerPixel == 1) /* monochrome -> color */
904 {
905 if (COLOR_PixelToPalette)
906 {
907 XSetBackground( display, gc,
908 COLOR_PixelToPalette[physDevDst->textPixel] );
909 XSetForeground( display, gc,
910 COLOR_PixelToPalette[physDevDst->backgroundPixel]);
911 }
912 else
913 {
914 XSetBackground( display, gc, physDevDst->textPixel );
915 XSetForeground( display, gc, physDevDst->backgroundPixel );
916 }
917 XCopyPlane( display, physDevSrc->drawable, pixmap, gc,
918 visRectSrc->left, visRectSrc->top,
919 width, height, 0, 0, 1 );
920 }
921 else /* color -> monochrome */
922 {
923 /* FIXME: avoid BadMatch error */
924 imageSrc = XGetImage( display, physDevSrc->drawable,
925 visRectSrc->left, visRectSrc->top,
926 width, height, AllPlanes, ZPixmap );
927 XCREATEIMAGE( imageDst, width, height, dcDst->w.bitsPerPixel );
928 for (y = 0; y < height; y++)
929 for (x = 0; x < width; x++)
930 XPutPixel(imageDst, x, y, (XGetPixel(imageSrc,x,y) ==
931 physDevSrc->backgroundPixel) );
932 XPutImage( display, pixmap, gc, imageDst,
933 0, 0, 0, 0, width, height );
934 XDestroyImage( imageSrc );
935 XDestroyImage( imageDst );
936 }
937 }
938 }
939
940
941 /***********************************************************************
942 * BITBLT_GetDstArea
943 *
944 * Retrieve an area from the destination DC, mapping all the
945 * pixels to Windows colors.
946 */
947 static void BITBLT_GetDstArea(DC *dc, Pixmap pixmap, GC gc, RECT32 *visRectDst)
948 {
949 INT32 width = visRectDst->right - visRectDst->left;
950 INT32 height = visRectDst->bottom - visRectDst->top;
951 X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
952
953 if (!COLOR_PixelToPalette || (dc->w.bitsPerPixel == 1) ||
954 (COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) )
955 {
956 XCopyArea( display, physDev->drawable, pixmap, gc,
957 visRectDst->left, visRectDst->top, width, height, 0, 0 );
958 }
959 else
960 {
961 register INT32 x, y;
962 XImage *image;
963
964 if (dc->w.flags & DC_MEMORY)
965 image = XGetImage( display, physDev->drawable,
966 visRectDst->left, visRectDst->top,
967 width, height, AllPlanes, ZPixmap );
968 else
969 {
970 /* Make sure we don't get a BadMatch error */
971 XCopyArea( display, physDev->drawable, pixmap, gc,
972 visRectDst->left, visRectDst->top, width, height, 0, 0);
973 image = XGetImage( display, pixmap, 0, 0, width, height,
974 AllPlanes, ZPixmap );
975 }
976 for (y = 0; y < height; y++)
977 for (x = 0; x < width; x++)
978 XPutPixel( image, x, y,
979 COLOR_PixelToPalette[XGetPixel( image, x, y )]);
980 XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, width, height );
981 XDestroyImage( image );
982 }
983 }
984
985
986 /***********************************************************************
987 * BITBLT_PutDstArea
988 *
989 * Put an area back into the destination DC, mapping the pixel
990 * colors to X pixels.
991 */
992 static void BITBLT_PutDstArea(DC *dc, Pixmap pixmap, GC gc, RECT32 *visRectDst)
993 {
994 INT32 width = visRectDst->right - visRectDst->left;
995 INT32 height = visRectDst->bottom - visRectDst->top;
996 X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
997
998 /* !COLOR_PaletteToPixel is _NOT_ enough */
999
1000 if (!COLOR_PaletteToPixel || (dc->w.bitsPerPixel == 1) ||
1001 (COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) )
1002 {
1003 XCopyArea( display, pixmap, physDev->drawable, gc, 0, 0,
1004 width, height, visRectDst->left, visRectDst->top );
1005 }
1006 else
1007 {
1008 register INT32 x, y;
1009 XImage *image = XGetImage( display, pixmap, 0, 0, width, height,
1010 AllPlanes, ZPixmap );
1011 for (y = 0; y < height; y++)
1012 for (x = 0; x < width; x++)
1013 {
1014 XPutPixel( image, x, y,
1015 COLOR_PaletteToPixel[XGetPixel( image, x, y )]);
1016 }
1017 XPutImage( display, physDev->drawable, gc, image, 0, 0,
1018 visRectDst->left, visRectDst->top, width, height );
1019 XDestroyImage( image );
1020 }
1021 }
1022
1023
1024 /***********************************************************************
1025 * BITBLT_GetVisRectangles
1026 *
1027 * Get the source and destination visible rectangles for StretchBlt().
1028 * Return FALSE if one of the rectangles is empty.
1029 */
1030 static BOOL32 BITBLT_GetVisRectangles( DC *dcDst, INT32 xDst, INT32 yDst,
1031 INT32 widthDst, INT32 heightDst,
1032 DC *dcSrc, INT32 xSrc, INT32 ySrc,
1033 INT32 widthSrc, INT32 heightSrc,
1034 RECT32 *visRectSrc, RECT32 *visRectDst )
1035 {
1036 RECT32 rect, clipRect;
1037
1038 /* Get the destination visible rectangle */
1039
1040 SetRect32( &rect, xDst, yDst, xDst + widthDst, yDst + heightDst );
1041 if (widthDst < 0) SWAP_INT32( &rect.left, &rect.right );
1042 if (heightDst < 0) SWAP_INT32( &rect.top, &rect.bottom );
1043 GetRgnBox32( dcDst->w.hGCClipRgn, &clipRect );
1044 if (!IntersectRect32( visRectDst, &rect, &clipRect )) return FALSE;
1045
1046 /* Get the source visible rectangle */
1047
1048 if (!dcSrc) return TRUE;
1049 SetRect32( &rect, xSrc, ySrc, xSrc + widthSrc, ySrc + heightSrc );
1050 if (widthSrc < 0) SWAP_INT32( &rect.left, &rect.right );
1051 if (heightSrc < 0) SWAP_INT32( &rect.top, &rect.bottom );
1052 /* Apparently the clipping and visible regions are only for output,
1053 so just check against totalExtent here to avoid BadMatch errors */
1054 if (!IntersectRect32( visRectSrc, &rect, &dcSrc->w.totalExtent ))
1055 return FALSE;
1056
1057 /* Intersect the rectangles */
1058
1059 if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */
1060 {
1061 OffsetRect32( visRectSrc, xDst - xSrc, yDst - ySrc );
1062 if (!IntersectRect32( &rect, visRectSrc, visRectDst )) return FALSE;
1063 *visRectSrc = *visRectDst = rect;
1064 OffsetRect32( visRectSrc, xSrc - xDst, ySrc - yDst );
1065 }
1066 else /* stretching */
1067 {
1068 /* Map source rectangle into destination coordinates */
1069 rect.left = xDst + (visRectSrc->left - xSrc)*widthDst/widthSrc;
1070 rect.top = yDst + (visRectSrc->top - ySrc)*heightDst/heightSrc;
1071 rect.right = xDst + ((visRectSrc->right - xSrc)*widthDst)/widthSrc;
1072 rect.bottom = yDst + ((visRectSrc->bottom - ySrc)*heightDst)/heightSrc;
1073 if (rect.left > rect.right) SWAP_INT32( &rect.left, &rect.right );
1074 if (rect.top > rect.bottom) SWAP_INT32( &rect.top, &rect.bottom );
1075 InflateRect32( &rect, 1, 1 ); /* Avoid rounding errors */
1076 if (!IntersectRect32( visRectDst, &rect, visRectDst )) return FALSE;
1077
1078 /* Map destination rectangle back to source coordinates */
1079 rect = *visRectDst;
1080 rect.left = xSrc + (visRectDst->left - xDst)*widthSrc/widthDst;
1081 rect.top = ySrc + (visRectDst->top - yDst)*heightSrc/heightDst;
1082 rect.right = xSrc + ((visRectDst->right - xDst)*widthSrc)/widthDst;
1083 rect.bottom = ySrc + ((visRectDst->bottom - yDst)*heightSrc)/heightDst;
1084 if (rect.left > rect.right) SWAP_INT32( &rect.left, &rect.right );
1085 if (rect.top > rect.bottom) SWAP_INT32( &rect.top, &rect.bottom );
1086 InflateRect32( &rect, 1, 1 ); /* Avoid rounding errors */
1087 if (!IntersectRect32( visRectSrc, &rect, visRectSrc )) return FALSE;
1088 }
1089 return TRUE;
1090 }
1091
1092
1093 /***********************************************************************
1094 * BITBLT_InternalStretchBlt
1095 *
1096 * Implementation of PatBlt(), BitBlt() and StretchBlt().
1097 */
1098 static BOOL32 BITBLT_InternalStretchBlt( DC *dcDst, INT32 xDst, INT32 yDst,
1099 INT32 widthDst, INT32 heightDst,
1100 DC *dcSrc, INT32 xSrc, INT32 ySrc,
1101 INT32 widthSrc, INT32 heightSrc,
1102 DWORD rop )
1103 {
1104 BOOL32 usePat, useSrc, useDst, destUsed, fStretch, fNullBrush;
1105 RECT32 visRectDst, visRectSrc;
1106 INT32 width, height;
1107 const BYTE *opcode;
1108 Pixmap pixmaps[3] = { 0, 0, 0 }; /* pixmaps for DST, SRC, TMP */
1109 GC tmpGC = 0;
1110 X11DRV_PDEVICE *physDevSrc = NULL;
1111 X11DRV_PDEVICE *physDevDst = (X11DRV_PDEVICE *)dcDst->physDev;
1112
1113 if(dcSrc) physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev;
1114 usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000));
1115 useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000));
1116 useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000));
1117 if (!dcSrc && useSrc) return FALSE;
1118
1119 if (dcDst->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dcDst );
1120 if (dcSrc && (dcSrc->w.flags & DC_DIRTY)) CLIPPING_UpdateGCRegion( dcSrc );
1121
1122 /* Map the coordinates to device coords */
1123
1124 xDst = dcDst->w.DCOrgX + XLPTODP( dcDst, xDst );
1125 yDst = dcDst->w.DCOrgY + YLPTODP( dcDst, yDst );
1126 widthDst = widthDst * dcDst->vportExtX / dcDst->wndExtX;
1127 heightDst = heightDst * dcDst->vportExtY / dcDst->wndExtY;
1128
1129 TRACE(bitblt, " vportdst=%d,%d-%d,%d wnddst=%d,%d-%d,%d\n",
1130 dcDst->vportOrgX, dcDst->vportOrgY,
1131 dcDst->vportExtX, dcDst->vportExtY,
1132 dcDst->wndOrgX, dcDst->wndOrgY,
1133 dcDst->wndExtX, dcDst->wndExtY );
1134 TRACE(bitblt, " rectdst=%d,%d-%d,%d orgdst=%d,%d\n",
1135 xDst, yDst, widthDst, heightDst,
1136 dcDst->w.DCOrgX, dcDst->w.DCOrgY );
1137
1138 if (useSrc)
1139 {
1140 xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc );
1141 ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc );
1142 widthSrc = widthSrc * dcSrc->vportExtX / dcSrc->wndExtX;
1143 heightSrc = heightSrc * dcSrc->vportExtY / dcSrc->wndExtY;
1144 fStretch = (widthSrc != widthDst) || (heightSrc != heightDst);
1145 TRACE(bitblt," vportsrc=%d,%d-%d,%d wndsrc=%d,%d-%d,%d\n",
1146 dcSrc->vportOrgX, dcSrc->vportOrgY,
1147 dcSrc->vportExtX, dcSrc->vportExtY,
1148 dcSrc->wndOrgX, dcSrc->wndOrgY,
1149 dcSrc->wndExtX, dcSrc->wndExtY );
1150 TRACE(bitblt, " rectsrc=%d,%d-%d,%d orgsrc=%d,%d\n",
1151 xSrc, ySrc, widthSrc, heightSrc,
1152 dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
1153 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1154 dcSrc, xSrc, ySrc, widthSrc, heightSrc,
1155 &visRectSrc, &visRectDst ))
1156 return TRUE;
1157 TRACE(bitblt, " vissrc=%d,%d-%d,%d visdst=%d,%d-%d,%d\n",
1158 visRectSrc.left, visRectSrc.top,
1159 visRectSrc.right, visRectSrc.bottom,
1160 visRectDst.left, visRectDst.top,
1161 visRectDst.right, visRectDst.bottom );
1162 }
1163 else
1164 {
1165 fStretch = FALSE;
1166 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1167 NULL, 0, 0, 0, 0, NULL, &visRectDst ))
1168 return TRUE;
1169 TRACE(bitblt, " vissrc=none visdst=%d,%d-%d,%d\n",
1170 visRectDst.left, visRectDst.top,
1171 visRectDst.right, visRectDst.bottom );
1172 }
1173
1174 width = visRectDst.right - visRectDst.left;
1175 height = visRectDst.bottom - visRectDst.top;
1176
1177 if (!fStretch) switch(rop) /* A few optimisations */
1178 {
1179 case BLACKNESS: /* 0x00 */
1180 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1181 XSetFunction( display, physDevDst->gc, GXclear );
1182 else
1183 {
1184 XSetFunction( display, physDevDst->gc, GXcopy );
1185 XSetForeground( display, physDevDst->gc, COLOR_PaletteToPixel[0] );
1186 XSetFillStyle( display, physDevDst->gc, FillSolid );
1187 }
1188 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1189 visRectDst.left, visRectDst.top, width, height );
1190 return TRUE;
1191
1192 case DSTINVERT: /* 0x55 */
1193 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel ||
1194 !Options.perfectGraphics)
1195 {
1196 XSetFunction( display, physDevDst->gc, GXinvert );
1197
1198 if( COLOR_GetSystemPaletteFlags() & (COLOR_PRIVATE | COLOR_VIRTUAL) )
1199 XSetFunction( display, physDevDst->gc, GXinvert);
1200 else
1201 {
1202 /* Xor is much better when we do not have full colormap. */
1203 /* Using white^black ensures that we invert at least black */
1204 /* and white. */
1205 Pixel xor_pix = (WhitePixelOfScreen(screen) ^
1206 BlackPixelOfScreen(screen));
1207 XSetFunction( display, physDevDst->gc, GXxor );
1208 XSetForeground( display, physDevDst->gc, xor_pix);
1209 XSetFillStyle( display, physDevDst->gc, FillSolid );
1210 }
1211 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1212 visRectDst.left, visRectDst.top, width, height );
1213 return TRUE;
1214 }
1215 break;
1216
1217 case PATINVERT: /* 0x5a */
1218 if (Options.perfectGraphics) break;
1219 if (X11DRV_SetupGCForBrush( dcDst ))
1220 {
1221 XSetFunction( display, physDevDst->gc, GXxor );
1222 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1223 visRectDst.left, visRectDst.top, width, height );
1224 }
1225 return TRUE;
1226
1227 case 0xa50065:
1228 if (Options.perfectGraphics) break;
1229 if (X11DRV_SetupGCForBrush( dcDst ))
1230 {
1231 XSetFunction( display, physDevDst->gc, GXequiv );
1232 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1233 visRectDst.left, visRectDst.top, width, height );
1234 }
1235 return TRUE;
1236
1237 case SRCCOPY: /* 0xcc */
1238 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
1239 {
1240 XSetGraphicsExposures( display, physDevDst->gc, True );
1241 XSetFunction( display, physDevDst->gc, GXcopy );
1242 XCopyArea( display, physDevSrc->drawable,
1243 physDevDst->drawable, physDevDst->gc,
1244 visRectSrc.left, visRectSrc.top,
1245 width, height, visRectDst.left, visRectDst.top );
1246 XSetGraphicsExposures( display, physDevDst->gc, False );
1247 return TRUE;
1248 }
1249 if (dcSrc->w.bitsPerPixel == 1)
1250 {
1251 XSetBackground( display, physDevDst->gc, physDevDst->textPixel );
1252 XSetForeground( display, physDevDst->gc,
1253 physDevDst->backgroundPixel );
1254 XSetFunction( display, physDevDst->gc, GXcopy );
1255 XSetGraphicsExposures( display, physDevDst->gc, True );
1256 XCopyPlane( display, physDevSrc->drawable,
1257 physDevDst->drawable, physDevDst->gc,
1258 visRectSrc.left, visRectSrc.top,
1259 width, height, visRectDst.left, visRectDst.top, 1 );
1260 XSetGraphicsExposures( display, physDevDst->gc, False );
1261 return TRUE;
1262 }
1263 break;
1264
1265 case PATCOPY: /* 0xf0 */
1266 if (!X11DRV_SetupGCForBrush( dcDst )) return TRUE;
1267 XSetFunction( display, physDevDst->gc, GXcopy );
1268 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1269 visRectDst.left, visRectDst.top, width, height );
1270 return TRUE;
1271
1272 case WHITENESS: /* 0xff */
1273 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1274 XSetFunction( display, physDevDst->gc, GXset );
1275 else
1276 {
1277 XSetFunction( display, physDevDst->gc, GXcopy );
1278 XSetForeground( display, physDevDst->gc,
1279 COLOR_PaletteToPixel[COLOR_GetSystemPaletteSize() - 1]);
1280 XSetFillStyle( display, physDevDst->gc, FillSolid );
1281 }
1282 XFillRectangle( display, physDevDst->drawable, physDevDst->gc,
1283 visRectDst.left, visRectDst.top, width, height );
1284 return TRUE;
1285 }
1286
1287 tmpGC = XCreateGC( display, physDevDst->drawable, 0, NULL );
1288 pixmaps[DST] = XCreatePixmap( display, rootWindow, width, height,
1289 dcDst->w.bitsPerPixel );
1290 if (useSrc)
1291 {
1292 pixmaps[SRC] = XCreatePixmap( display, rootWindow, width, height,
1293 dcDst->w.bitsPerPixel );
1294 if (fStretch)
1295 BITBLT_GetSrcAreaStretch( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1296 xSrc, ySrc, widthSrc, heightSrc,
1297 xDst, yDst, widthDst, heightDst,
1298 &visRectSrc, &visRectDst );
1299 else
1300 BITBLT_GetSrcArea( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1301 xSrc, ySrc, &visRectSrc );
1302 }
1303 if (useDst) BITBLT_GetDstArea( dcDst, pixmaps[DST], tmpGC, &visRectDst );
1304 if (usePat) fNullBrush = !X11DRV_SetupGCForPatBlt( dcDst, tmpGC, TRUE );
1305 else fNullBrush = FALSE;
1306 destUsed = FALSE;
1307
1308 for (opcode = BITBLT_Opcodes[(rop >> 16) & 0xff]; *opcode; opcode++)
1309 {
1310 if (OP_DST(*opcode) == DST) destUsed = TRUE;
1311 XSetFunction( display, tmpGC, OP_ROP(*opcode) );
1312 switch(OP_SRCDST(*opcode))
1313 {
1314 case OP_ARGS(DST,TMP):
1315 case OP_ARGS(SRC,TMP):
1316 if (!pixmaps[TMP])
1317 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1318 width, height,
1319 dcDst->w.bitsPerPixel );
1320 /* fall through */
1321 case OP_ARGS(DST,SRC):
1322 case OP_ARGS(SRC,DST):
1323 case OP_ARGS(TMP,SRC):
1324 case OP_ARGS(TMP,DST):
1325 XCopyArea( display, pixmaps[OP_SRC(*opcode)],
1326 pixmaps[OP_DST(*opcode)], tmpGC,
1327 0, 0, width, height, 0, 0 );
1328 break;
1329
1330 case OP_ARGS(PAT,TMP):
1331 if (!pixmaps[TMP] && !fNullBrush)
1332 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1333 width, height,
1334 dcDst->w.bitsPerPixel );
1335 /* fall through */
1336 case OP_ARGS(PAT,DST):
1337 case OP_ARGS(PAT,SRC):
1338 if (!fNullBrush)
1339 XFillRectangle( display, pixmaps[OP_DST(*opcode)],
1340 tmpGC, 0, 0, width, height );
1341 break;
1342 }
1343 }
1344 XSetFunction( display, physDevDst->gc, GXcopy );
1345 BITBLT_PutDstArea( dcDst, pixmaps[destUsed ? DST : SRC],
1346 physDevDst->gc, &visRectDst );
1347 XFreePixmap( display, pixmaps[DST] );
1348 if (pixmaps[SRC]) XFreePixmap( display, pixmaps[SRC] );
1349 if (pixmaps[TMP]) XFreePixmap( display, pixmaps[TMP] );
1350 XFreeGC( display, tmpGC );
1351 return TRUE;
1352 }
1353
1354 struct StretchBlt_params
1355 {
1356 DC *dcDst;
1357 INT32 xDst;
1358 INT32 yDst;
1359 INT32 widthDst;
1360 INT32 heightDst;
1361 DC *dcSrc;
1362 INT32 xSrc;
1363 INT32 ySrc;
1364 INT32 widthSrc;
1365 INT32 heightSrc;
1366 DWORD rop;
1367 };
1368
1369 /***********************************************************************
1370 * BITBLT_DoStretchBlt
1371 *
1372 * Wrapper function for BITBLT_InternalStretchBlt
1373 * to use with CALL_LARGE_STACK.
1374 */
1375 static int BITBLT_DoStretchBlt( const struct StretchBlt_params *p )
1376 {
1377 return (int)BITBLT_InternalStretchBlt( p->dcDst, p->xDst, p->yDst,
1378 p->widthDst, p->heightDst,
1379 p->dcSrc, p->xSrc, p->ySrc,
1380 p->widthSrc, p->heightSrc, p->rop );
1381 }
1382
1383 /***********************************************************************
1384 * X11DRV_PatBlt
1385 */
1386 BOOL32 X11DRV_PatBlt( DC *dc, INT32 left, INT32 top,
1387 INT32 width, INT32 height, DWORD rop )
1388 {
1389 struct StretchBlt_params params = { dc, left, top, width, height,
1390 NULL, 0, 0, 0, 0, rop };
1391 BOOL32 result;
1392 DIB_UpdateDIBSection( dc, FALSE );
1393 EnterCriticalSection( &X11DRV_CritSection );
1394 result = (BOOL32)CALL_LARGE_STACK( BITBLT_DoStretchBlt, &params );
1395 LeaveCriticalSection( &X11DRV_CritSection );
1396 DIB_UpdateDIBSection( dc, TRUE );
1397 return result;
1398 }
1399
1400
1401 /***********************************************************************
1402 * X11DRV_BitBlt
1403 */
1404 BOOL32 X11DRV_BitBlt( DC *dcDst, INT32 xDst, INT32 yDst,
1405 INT32 width, INT32 height, DC *dcSrc,
1406 INT32 xSrc, INT32 ySrc, DWORD rop )
1407 {
1408 struct StretchBlt_params params = { dcDst, xDst, yDst, width, height,
1409 dcSrc, xSrc, ySrc, width, height, rop};
1410 BOOL32 result;
1411 DIB_UpdateDIBSection( dcDst, FALSE );
1412 DIB_UpdateDIBSection( dcSrc, FALSE );
1413 EnterCriticalSection( &X11DRV_CritSection );
1414 result = (BOOL32)CALL_LARGE_STACK( BITBLT_DoStretchBlt, &params );
1415 LeaveCriticalSection( &X11DRV_CritSection );
1416 DIB_UpdateDIBSection( dcDst, TRUE );
1417 return result;
1418 }
1419
1420
1421 /***********************************************************************
1422 * X11DRV_StretchBlt
1423 */
1424 BOOL32 X11DRV_StretchBlt( DC *dcDst, INT32 xDst, INT32 yDst,
1425 INT32 widthDst, INT32 heightDst,
1426 DC *dcSrc, INT32 xSrc, INT32 ySrc,
1427 INT32 widthSrc, INT32 heightSrc, DWORD rop )
1428 {
1429 struct StretchBlt_params params = { dcDst, xDst, yDst, widthDst, heightDst,
1430 dcSrc, xSrc, ySrc, widthSrc, heightSrc,
1431 rop };
1432 BOOL32 result;
1433 DIB_UpdateDIBSection( dcDst, FALSE );
1434 DIB_UpdateDIBSection( dcSrc, FALSE );
1435 EnterCriticalSection( &X11DRV_CritSection );
1436 result = (BOOL32)CALL_LARGE_STACK( BITBLT_DoStretchBlt, &params );
1437 LeaveCriticalSection( &X11DRV_CritSection );
1438 DIB_UpdateDIBSection( dcDst, TRUE );
1439 return result;
1440 }
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