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Release 960717
[wine/multimedia.git] / objects / bitblt.c
blob4eba5dbe315049c6adc8ab6660164d480d5b65e8
1 /*
2 * GDI bit-blit operations
3 *
4 * Copyright 1993, 1994 Alexandre Julliard
5 */
6
7 #include <stdio.h>
8 #include <stdlib.h>
9 #include <X11/Xlib.h>
10 #include <X11/Intrinsic.h>
11 #include "bitmap.h"
12 #include "callback.h"
13 #include "color.h"
14 #include "dc.h"
15 #include "metafile.h"
16 #include "options.h"
17 #include "stddebug.h"
18 /* #define DEBUG_BITBLT */
19 #include "debug.h"
20 #include "xmalloc.h"
21
22
23 #define DST 0 /* Destination drawable */
24 #define SRC 1 /* Source drawable */
25 #define TMP 2 /* Temporary drawable */
26 #define PAT 3 /* Pattern (brush) in destination DC */
27
28 #define OP(src,dst,rop) (OP_ARGS(src,dst) << 4 | (rop))
29 #define OP_ARGS(src,dst) (((src) << 2) | (dst))
30
31 #define OP_SRC(opcode) ((opcode) >> 6)
32 #define OP_DST(opcode) (((opcode) >> 4) & 3)
33 #define OP_SRCDST(opcode) ((opcode) >> 4)
34 #define OP_ROP(opcode) ((opcode) & 0x0f)
35
36 #define MAX_OP_LEN 6 /* Longest opcode + 1 for the terminating 0 */
37
38 extern void CLIPPING_UpdateGCRegion(DC* );
39
40 static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] =
41 {
42 { OP(PAT,DST,GXclear) }, /* 0x00 0 */
43 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnor) }, /* 0x01 ~(D|(P|S)) */
44 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXand) }, /* 0x02 D&~(P|S) */
45 { OP(PAT,SRC,GXnor) }, /* 0x03 ~(P|S) */
46 { OP(PAT,DST,GXnor), OP(SRC,DST,GXand) }, /* 0x04 S&~(D|P) */
47 { OP(PAT,DST,GXnor) }, /* 0x05 ~(D|P) */
48 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnor), }, /* 0x06 ~(P|~(D^S)) */
49 { OP(SRC,DST,GXand), OP(PAT,DST,GXnor) }, /* 0x07 ~(P|(D&S)) */
50 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXand) },/* 0x08 S&D&~P */
51 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnor) }, /* 0x09 ~(P|(D^S)) */
52 { OP(PAT,DST,GXandInverted) }, /* 0x0a D&~P */
53 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXnor) }, /* 0x0b ~(P|(S&~D)) */
54 { OP(PAT,SRC,GXandInverted) }, /* 0x0c S&~P */
55 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXnor) },/* 0x0d ~(P|(D&~S)) */
56 { OP(SRC,DST,GXnor), OP(PAT,DST,GXnor) }, /* 0x0e ~(P|~(D|S)) */
57 { OP(PAT,DST,GXcopyInverted) }, /* 0x0f ~P */
58 { OP(SRC,DST,GXnor), OP(PAT,DST,GXand) }, /* 0x10 P&~(S|D) */
59 { OP(SRC,DST,GXnor) }, /* 0x11 ~(D|S) */
60 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnor) }, /* 0x12 ~(S|~(D^P)) */
61 { OP(PAT,DST,GXand), OP(SRC,DST,GXnor) }, /* 0x13 ~(S|(D&P)) */
62 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnor) }, /* 0x14 ~(D|~(P^S)) */
63 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnor) }, /* 0x15 ~(D|(P&S)) */
64 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
65 OP(TMP,DST,GXand), OP(SRC,DST,GXxor),
66 OP(PAT,DST,GXxor) }, /* 0x16 P^S^(D&~(P&S) */
67 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
68 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
69 OP(TMP,DST,GXequiv) }, /* 0x17 ~S^((S^P)&(S^D))*/
70 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
71 OP(SRC,DST,GXand) }, /* 0x18 (S^P)&(D^P) */
72 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand),
73 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x19 ~S^(D&~(P&S)) */
74 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
75 OP(PAT,DST,GXxor) }, /* 0x1a P^(D|(S&P)) */
76 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXxor),
77 OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x1b ~S^(D&(P^S)) */
78 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
79 OP(PAT,DST,GXxor) }, /* 0x1c P^(S|(D&P)) */
80 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
81 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1d ~D^(S&(D^P)) */
82 { OP(SRC,DST,GXor), OP(PAT,DST,GXxor) }, /* 0x1e P^(D|S) */
83 { OP(SRC,DST,GXor), OP(PAT,DST,GXnand) }, /* 0x1f ~(P&(D|S)) */
84 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXand) }, /* 0x20 D&(P&~S) */
85 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnor) }, /* 0x21 ~(S|(D^P)) */
86 { OP(SRC,DST,GXandInverted) }, /* 0x22 ~S&D */
87 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x23 ~(S|(P&~D)) */
88 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
89 OP(SRC,DST,GXand) }, /* 0x24 (S^P)&(S^D) */
90 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand),
91 OP(PAT,DST,GXequiv) }, /* 0x25 ~P^(D&~(S&P)) */
92 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
93 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x26 S^(D|(S&P)) */
94 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXequiv),
95 OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x27 S^(D|~(P^S)) */
96 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand) }, /* 0x28 D&(P^S) */
97 { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand),
98 OP(TMP,DST,GXor), OP(SRC,DST,GXxor),
99 OP(PAT,DST,GXequiv) }, /* 0x29 ~P^S^(D|(P&S)) */
100 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand) }, /* 0x2a D&~(P&S) */
101 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
102 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
103 OP(TMP,DST,GXequiv) }, /* 0x2b ~S^((P^S)&(P^D))*/
104 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
105 OP(SRC,DST,GXxor) }, /* 0x2c S^(P&(S|D)) */
106 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXxor) }, /* 0x2d P^(S|~D) */
107 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
108 OP(PAT,DST,GXxor) }, /* 0x2e P^(S|(D^P)) */
109 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXnand) }, /* 0x2f ~(P&(S|~D)) */
110 { OP(PAT,SRC,GXandReverse) }, /* 0x30 P&~S */
111 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXnor) },/* 0x31 ~(S|(D&~P)) */
112 { OP(SRC,DST,GXor), OP(PAT,DST,GXor),
113 OP(SRC,DST,GXxor) }, /* 0x32 S^(D|P|S) */
114 { OP(SRC,DST,GXcopyInverted) }, /* 0x33 ~S */
115 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
116 OP(SRC,DST,GXxor) }, /* 0x34 S^(P|(D&S)) */
117 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor),
118 OP(SRC,DST,GXxor) }, /* 0x35 S^(P|~(D^S)) */
119 { OP(PAT,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x36 S^(D|P) */
120 { OP(PAT,DST,GXor), OP(SRC,DST,GXnand) }, /* 0x37 ~(S&(D|P)) */
121 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
122 OP(PAT,DST,GXxor) }, /* 0x38 P^(S&(D|P)) */
123 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x39 S^(P|~D) */
124 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
125 OP(SRC,DST,GXxor) }, /* 0x3a S^(P|(D^S)) */
126 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x3b ~(S&(P|~D)) */
127 { OP(PAT,SRC,GXxor) }, /* 0x3c P^S */
128 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
129 OP(SRC,DST,GXxor) }, /* 0x3d S^(P|~(D|S)) */
130 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
131 OP(SRC,DST,GXxor) }, /* 0x3e S^(P|(D&~S)) */
132 { OP(PAT,SRC,GXnand) }, /* 0x3f ~(P&S) */
133 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXand) }, /* 0x40 P&S&~D */
134 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnor) }, /* 0x41 ~(D|(P^S)) */
135 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
136 OP(SRC,DST,GXand) }, /* 0x42 (S^D)&(P^D) */
137 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
138 OP(SRC,DST,GXequiv) }, /* 0x43 ~S^(P&~(D&S)) */
139 { OP(SRC,DST,GXandReverse) }, /* 0x44 S&~D */
140 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x45 ~(D|(P&~S)) */
141 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
142 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x46 D^(S|(P&D)) */
143 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
144 OP(PAT,DST,GXequiv) }, /* 0x47 ~P^(S&(D^P)) */
145 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand) }, /* 0x48 S&(P^D) */
146 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
147 OP(SRC,DST,GXor), OP(TMP,DST,GXxor),
148 OP(PAT,DST,GXequiv) }, /* 0x49 ~P^D^(S|(P&D)) */
149 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
150 OP(SRC,DST,GXxor) }, /* 0x4a D^(P&(S|D)) */
151 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXxor) }, /* 0x4b P^(D|~S) */
152 { OP(PAT,DST,GXnand), OP(SRC,DST,GXand) }, /* 0x4c S&~(D&P) */
153 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
154 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
155 OP(TMP,DST,GXequiv) }, /* 0x4d ~S^((S^P)|(S^D))*/
156 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
157 OP(PAT,DST,GXxor) }, /* 0x4e P^(D|(S^P)) */
158 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXnand) },/* 0x4f ~(P&(D|~S)) */
159 { OP(PAT,DST,GXandReverse) }, /* 0x50 P&~D */
160 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXnor) },/* 0x51 ~(D|(S&~P)) */
161 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
162 OP(SRC,DST,GXxor) }, /* 0x52 D^(P|(S&D)) */
163 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
164 OP(SRC,DST,GXequiv) }, /* 0x53 ~S^(P&(D^S)) */
165 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXnor) }, /* 0x54 ~(D|~(P|S)) */
166 { OP(PAT,DST,GXinvert) }, /* 0x55 ~D */
167 { OP(PAT,SRC,GXor), OP(SRC,DST,GXxor) }, /* 0x56 D^(P|S) */
168 { OP(PAT,SRC,GXor), OP(SRC,DST,GXnand) }, /* 0x57 ~(D&(P|S)) */
169 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
170 OP(PAT,DST,GXxor) }, /* 0x58 P^(D&(P|S)) */
171 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x59 D^(P|~S) */
172 { OP(PAT,DST,GXxor) }, /* 0x5a D^P */
173 { OP(DST,SRC,GXnor), OP(PAT,SRC,GXor),
174 OP(SRC,DST,GXxor) }, /* 0x5b D^(P|~(S|D)) */
175 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
176 OP(SRC,DST,GXxor) }, /* 0x5c D^(P|(S^D)) */
177 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x5d ~(D&(P|~S)) */
178 { OP(DST,SRC,GXandInverted), OP(PAT,SRC,GXor),
179 OP(SRC,DST,GXxor) }, /* 0x5e D^(P|(S&~D)) */
180 { OP(PAT,DST,GXnand) }, /* 0x5f ~(D&P) */
181 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand) }, /* 0x60 P&(D^S) */
182 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
183 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
184 OP(TMP,DST,GXequiv) }, /* 0x61 ~D^S^(P|(D&S)) */
185 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
186 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x62 D^(S&(P|D)) */
187 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x63 S^(D|~P) */
188 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
189 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x64 S^(D&(P|S)) */
190 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x65 D^(S|~P) */
191 { OP(SRC,DST,GXxor) }, /* 0x66 S^D */
192 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
193 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x67 S^(D|~(S|P) */
194 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnor),
195 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
196 OP(TMP,DST,GXequiv) }, /* 0x68 ~D^S^(P|~(D|S))*/
197 { OP(SRC,DST,GXxor), OP(PAT,DST,GXequiv) }, /* 0x69 ~P^(D^S) */
198 { OP(PAT,SRC,GXand), OP(SRC,DST,GXxor) }, /* 0x6a D^(P&S) */
199 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
200 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
201 OP(PAT,DST,GXequiv) }, /* 0x6b ~P^S^(D&(P|S)) */
202 { OP(PAT,DST,GXand), OP(SRC,DST,GXxor) }, /* 0x6c S^(D&P) */
203 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
204 OP(SRC,DST,GXand), OP(TMP,DST,GXxor),
205 OP(PAT,DST,GXequiv) }, /* 0x6d ~P^D^(S&(P|D)) */
206 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
207 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x6e S^(D&(P|~S)) */
208 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnand) }, /* 0x6f ~(P&~(S^D)) */
209 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand) }, /* 0x70 P&~(D&S) */
210 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
211 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
212 OP(TMP,DST,GXequiv) }, /* 0x71 ~S^((S^D)&(P^D))*/
213 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
214 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x72 S^(D|(P^S)) */
215 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXnand) },/* 0x73 ~(S&(D|~P)) */
216 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
217 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x74 D^(S|(P^D)) */
218 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXnand) },/* 0x75 ~(D&(S|~P)) */
219 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
220 OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x76 S^(D|(P&~S)) */
221 { OP(SRC,DST,GXnand) }, /* 0x77 ~(S&D) */
222 { OP(SRC,DST,GXand), OP(PAT,DST,GXxor) }, /* 0x78 P^(D&S) */
223 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
224 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
225 OP(TMP,DST,GXequiv) }, /* 0x79 ~D^S^(P&(D|S)) */
226 { OP(DST,SRC,GXorInverted), OP(PAT,SRC,GXand),
227 OP(SRC,DST,GXxor) }, /* 0x7a D^(P&(S|~D)) */
228 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7b ~(S&~(D^P)) */
229 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
230 OP(SRC,DST,GXxor) }, /* 0x7c S^(P&(D|~S)) */
231 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7d ~(D&~(P^S)) */
232 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
233 OP(SRC,DST,GXor) }, /* 0x7e (S^P)|(S^D) */
234 { OP(PAT,SRC,GXand), OP(SRC,DST,GXnand) }, /* 0x7f ~(D&P&S) */
235 { OP(PAT,SRC,GXand), OP(SRC,DST,GXand) }, /* 0x80 D&P&S */
236 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
237 OP(SRC,DST,GXnor) }, /* 0x81 ~((S^P)|(S^D)) */
238 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXand) }, /* 0x82 D&~(P^S) */
239 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand),
240 OP(SRC,DST,GXequiv) }, /* 0x83 ~S^(P&(D|~S)) */
241 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXand) }, /* 0x84 S&~(D^P) */
242 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand),
243 OP(PAT,DST,GXequiv) }, /* 0x85 ~P^(D&(S|~P)) */
244 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor),
245 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
246 OP(TMP,DST,GXxor) }, /* 0x86 D^S^(P&(D|S)) */
247 { OP(SRC,DST,GXand), OP(PAT,DST,GXequiv) }, /* 0x87 ~P^(D&S) */
248 { OP(SRC,DST,GXand) }, /* 0x88 S&D */
249 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse),
250 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x89 ~S^(D|(P&~S)) */
251 { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8a D&(S|~P) */
252 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
253 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8b ~D^(S|(P^D)) */
254 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8c S&(D|~P) */
255 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
256 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8d ~S^(D|(P^S)) */
257 { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor),
258 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
259 OP(TMP,DST,GXxor) }, /* 0x8e S^((S^D)&(P^D))*/
260 { OP(SRC,DST,GXnand), OP(PAT,DST,GXnand) }, /* 0x8f ~(P&~(D&S)) */
261 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXand) }, /* 0x90 P&~(D^S) */
262 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse),
263 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x91 ~S^(D&(P|~S)) */
264 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
265 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
266 OP(TMP,DST,GXxor) }, /* 0x92 D^P^(S&(D|P)) */
267 { OP(PAT,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x93 ~S^(P&D) */
268 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
269 OP(SRC,DST,GXand), OP(PAT,DST,GXxor),
270 OP(TMP,DST,GXxor) }, /* 0x94 S^P^(D&(P|S)) */
271 { OP(PAT,SRC,GXand), OP(SRC,DST,GXequiv) }, /* 0x95 ~D^(P&S) */
272 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXxor) }, /* 0x96 D^P^S */
273 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
274 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
275 OP(TMP,DST,GXxor) }, /* 0x97 S^P^(D|~(P|S)) */
276 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor),
277 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x98 ~S^(D|~(P|S)) */
278 { OP(SRC,DST,GXequiv) }, /* 0x99 ~S^D */
279 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9a D^(P&~S) */
280 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor),
281 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9b ~S^(D&(P|S)) */
282 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9c S^(P&~D) */
283 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor),
284 OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9d ~D^(S&(P|D)) */
285 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand),
286 OP(PAT,DST,GXor), OP(SRC,DST,GXxor),
287 OP(TMP,DST,GXxor) }, /* 0x9e D^S^(P|(D&S)) */
288 { OP(SRC,DST,GXxor), OP(PAT,DST,GXnand) }, /* 0x9f ~(P&(D^S)) */
289 { OP(PAT,DST,GXand) }, /* 0xa0 D&P */
290 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor),
291 OP(PAT,DST,GXequiv) }, /* 0xa1 ~P^(D|(S&~P)) */
292 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXand) }, /* 0xa2 D&(P|~S) */
293 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor),
294 OP(SRC,DST,GXequiv) }, /* 0xa3 ~D^(P|(S^D)) */
295 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor),
296 OP(PAT,DST,GXequiv) }, /* 0xa4 ~P^(D|~(S|P)) */
297 { OP(PAT,DST,GXequiv) }, /* 0xa5 ~P^D */
298 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXxor) },/* 0xa6 D^(S&~P) */
299 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand),
300 OP(PAT,DST,GXequiv) }, /* 0xa7 ~P^(D&(S|P)) */
301 { OP(PAT,SRC,GXor), OP(SRC,DST,GXand) }, /* 0xa8 D&(P|S) */
302 { OP(PAT,SRC,GXor), OP(SRC,DST,GXequiv) }, /* 0xa9 ~D^(P|S) */
303 { OP(SRC,DST,GXnoop) }, /* 0xaa D */
304 { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor) }, /* 0xab D|~(P|S) */
305 { OP(SRC,DST,GXxor), OP(PAT,DST,GXand),
306 OP(SRC,DST,GXxor) }, /* 0xac S^(P&(D^S)) */
307 { OP(DST,SRC,GXand), OP(PAT,SRC,GXor),
308 OP(SRC,DST,GXequiv) }, /* 0xad ~D^(P|(S&D)) */
309 { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor) }, /* 0xae D|(S&~P) */
310 { OP(PAT,DST,GXorInverted) }, /* 0xaf D|~P */
311 { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand) }, /* 0xb0 P&(D|~S) */
312 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
313 OP(PAT,DST,GXequiv) }, /* 0xb1 ~P^(D|(S^P)) */
314 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
315 OP(PAT,SRC,GXxor), OP(SRC,DST,GXor),
316 OP(TMP,DST,GXxor) }, /* 0xb2 S^((S^P)|(S^D))*/
317 { OP(PAT,DST,GXnand), OP(SRC,DST,GXnand) }, /* 0xb3 ~(S&~(D&P)) */
318 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXxor) }, /* 0xb4 P^(S&~D) */
319 { OP(DST,SRC,GXor), OP(PAT,SRC,GXand),
320 OP(SRC,DST,GXequiv) }, /* 0xb5 ~D^(P&(S|D)) */
321 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
322 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
323 OP(TMP,DST,GXxor) }, /* 0xb6 D^P^(S|(D&P)) */
324 { OP(PAT,DST,GXxor), OP(SRC,DST,GXnand) }, /* 0xb7 ~(S&(D^P)) */
325 { OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
326 OP(PAT,DST,GXxor) }, /* 0xb8 P^(S&(D^P)) */
327 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand),
328 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xb9 ~D^(S|(P&D)) */
329 { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXor) }, /* 0xba D|(P&~S) */
330 { OP(SRC,DST,GXorInverted) }, /* 0xbb ~S|D */
331 { OP(SRC,DST,GXnand), OP(PAT,DST,GXand),
332 OP(SRC,DST,GXxor) }, /* 0xbc S^(P&~(D&S)) */
333 { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor),
334 OP(SRC,DST,GXnand) }, /* 0xbd ~((S^D)&(P^D)) */
335 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor) }, /* 0xbe D|(P^S) */
336 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXor) }, /* 0xbf D|~(P&S) */
337 { OP(PAT,SRC,GXand) }, /* 0xc0 P&S */
338 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor),
339 OP(SRC,DST,GXequiv) }, /* 0xc1 ~S^(P|(D&~S)) */
340 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor),
341 OP(SRC,DST,GXequiv) }, /* 0xc2 ~S^(P|~(D|S)) */
342 { OP(PAT,SRC,GXequiv) }, /* 0xc3 ~P^S */
343 { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXand) }, /* 0xc4 S&(P|~D) */
344 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor),
345 OP(SRC,DST,GXequiv) }, /* 0xc5 ~S^(P|(D^S)) */
346 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXxor) },/* 0xc6 S^(D&~P) */
347 { OP(PAT,DST,GXor), OP(SRC,DST,GXand),
348 OP(PAT,DST,GXequiv) }, /* 0xc7 ~P^(S&(D|P)) */
349 { OP(PAT,DST,GXor), OP(SRC,DST,GXand) }, /* 0xc8 S&(D|P) */
350 { OP(PAT,DST,GXor), OP(SRC,DST,GXequiv) }, /* 0xc9 ~S^(P|D) */
351 { OP(DST,SRC,GXxor), OP(PAT,SRC,GXand),
352 OP(SRC,DST,GXxor) }, /* 0xca D^(P&(S^D)) */
353 { OP(SRC,DST,GXand), OP(PAT,DST,GXor),
354 OP(SRC,DST,GXequiv) }, /* 0xcb ~S^(P|(D&S)) */
355 { OP(SRC,DST,GXcopy) }, /* 0xcc S */
356 { OP(PAT,DST,GXnor), OP(SRC,DST,GXor) }, /* 0xcd S|~(D|P) */
357 { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXor) }, /* 0xce S|(D&~P) */
358 { OP(PAT,SRC,GXorInverted) }, /* 0xcf S|~P */
359 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXand) }, /* 0xd0 P&(S|~D) */
360 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor),
361 OP(PAT,DST,GXequiv) }, /* 0xd1 ~P^(S|(D^P)) */
362 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXxor) },/* 0xd2 P^(D&~S) */
363 { OP(SRC,DST,GXor), OP(PAT,DST,GXand),
364 OP(SRC,DST,GXequiv) }, /* 0xd3 ~S^(P&(D|S)) */
365 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
366 OP(PAT,DST,GXxor), OP(SRC,DST,GXand),
367 OP(TMP,DST,GXxor) }, /* 0xd4 S^((S^P)&(D^P))*/
368 { OP(PAT,SRC,GXnand), OP(SRC,DST,GXnand) }, /* 0xd5 ~(D&~(P&S)) */
369 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
370 OP(SRC,DST,GXor), OP(PAT,DST,GXxor),
371 OP(TMP,DST,GXxor) }, /* 0xd6 S^P^(D|(P&S)) */
372 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnand) }, /* 0xd7 ~(D&(P^S)) */
373 { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
374 OP(PAT,DST,GXxor) }, /* 0xd8 P^(D&(S^P)) */
375 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand),
376 OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xd9 ~S^(D|(P&S)) */
377 { OP(DST,SRC,GXnand), OP(PAT,SRC,GXand),
378 OP(SRC,DST,GXxor) }, /* 0xda D^(P&~(S&D)) */
379 { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor),
380 OP(SRC,DST,GXnand) }, /* 0xdb ~((S^P)&(S^D)) */
381 { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXor) }, /* 0xdc S|(P&~D) */
382 { OP(SRC,DST,GXorReverse) }, /* 0xdd S|~D */
383 { OP(PAT,DST,GXxor), OP(SRC,DST,GXor) }, /* 0xde S|(D^P) */
384 { OP(PAT,DST,GXnand), OP(SRC,DST,GXor) }, /* 0xdf S|~(D&P) */
385 { OP(SRC,DST,GXor), OP(PAT,DST,GXand) }, /* 0xe0 P&(D|S) */
386 { OP(SRC,DST,GXor), OP(PAT,DST,GXequiv) }, /* 0xe1 ~P^(D|S) */
387 { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor),
388 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe2 D^(S&(P^D)) */
389 { OP(PAT,DST,GXand), OP(SRC,DST,GXor),
390 OP(PAT,DST,GXequiv) }, /* 0xe3 ~P^(S|(D&P)) */
391 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor),
392 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe4 S^(D&(P^S)) */
393 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor),
394 OP(PAT,DST,GXequiv) }, /* 0xe5 ~P^(D|(S&P)) */
395 { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand),
396 OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe6 S^(D&~(P&S)) */
397 { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor),
398 OP(SRC,DST,GXnand) }, /* 0xe7 ~((S^P)&(D^P)) */
399 { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor),
400 OP(PAT,SRC,GXxor), OP(SRC,DST,GXand),
401 OP(TMP,DST,GXxor) }, /* 0xe8 S^((S^P)&(S^D))*/
402 { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnand),
403 OP(PAT,DST,GXand), OP(SRC,DST,GXxor),
404 OP(TMP,DST,GXequiv) }, /* 0xe9 ~D^S^(P&~(S&D))*/
405 { OP(PAT,SRC,GXand), OP(SRC,DST,GXor) }, /* 0xea D|(P&S) */
406 { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXor) }, /* 0xeb D|~(P^S) */
407 { OP(PAT,DST,GXand), OP(SRC,DST,GXor) }, /* 0xec S|(D&P) */
408 { OP(PAT,DST,GXequiv), OP(SRC,DST,GXor) }, /* 0xed S|~(D^P) */
409 { OP(SRC,DST,GXor) }, /* 0xee S|D */
410 { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXor) }, /* 0xef S|D|~P */
411 { OP(PAT,DST,GXcopy) }, /* 0xf0 P */
412 { OP(SRC,DST,GXnor), OP(PAT,DST,GXor) }, /* 0xf1 P|~(D|S) */
413 { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor) }, /* 0xf2 P|(D&~S) */
414 { OP(PAT,SRC,GXorReverse) }, /* 0xf3 P|~S */
415 { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXor) }, /* 0xf4 P|(S&~D) */
416 { OP(PAT,DST,GXorReverse) }, /* 0xf5 P|~D */
417 { OP(SRC,DST,GXxor), OP(PAT,DST,GXor) }, /* 0xf6 P|(D^S) */
418 { OP(SRC,DST,GXnand), OP(PAT,DST,GXor) }, /* 0xf7 P|~(S&D) */
419 { OP(SRC,DST,GXand), OP(PAT,DST,GXor) }, /* 0xf8 P|(D&S) */
420 { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor) }, /* 0xf9 P|~(D^S) */
421 { OP(PAT,DST,GXor) }, /* 0xfa D|P */
422 { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXor) }, /* 0xfb D|P|~S */
423 { OP(PAT,SRC,GXor) }, /* 0xfc P|S */
424 { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXor) }, /* 0xfd P|S|~D */
425 { OP(SRC,DST,GXor), OP(PAT,DST,GXor) }, /* 0xfe P|D|S */
426 { OP(PAT,DST,GXset) } /* 0xff 1 */
427 };
428
429
430 #ifdef BITBLT_TEST /* Opcodes test */
431
432 static int do_bitop( int s, int d, int rop )
433 {
434 int res;
435 switch(rop)
436 {
437 case GXclear: res = 0; break;
438 case GXand: res = s & d; break;
439 case GXandReverse: res = s & ~d; break;
440 case GXcopy: res = s; break;
441 case GXandInverted: res = ~s & d; break;
442 case GXnoop: res = d; break;
443 case GXxor: res = s ^ d; break;
444 case GXor: res = s | d; break;
445 case GXnor: res = ~(s | d); break;
446 case GXequiv: res = ~s ^ d; break;
447 case GXinvert: res = ~d; break;
448 case GXorReverse: res = s | ~d; break;
449 case GXcopyInverted: res = ~s; break;
450 case GXorInverted: res = ~s | d; break;
451 case GXnand: res = ~(s & d); break;
452 case GXset: res = 1; break;
453 }
454 return res & 1;
455 }
456
457 main()
458 {
459 int rop, i, res, src, dst, pat, tmp, dstUsed;
460 const BYTE *opcode;
461
462 for (rop = 0; rop < 256; rop++)
463 {
464 res = dstUsed = 0;
465 for (i = 0; i < 8; i++)
466 {
467 pat = (i >> 2) & 1;
468 src = (i >> 1) & 1;
469 dst = i & 1;
470 for (opcode = BITBLT_Opcodes[rop]; *opcode; opcode++)
471 {
472 switch(*opcode >> 4)
473 {
474 case OP_ARGS(DST,TMP):
475 tmp = do_bitop( dst, tmp, *opcode & 0xf );
476 break;
477 case OP_ARGS(DST,SRC):
478 src = do_bitop( dst, src, *opcode & 0xf );
479 break;
480 case OP_ARGS(SRC,TMP):
481 tmp = do_bitop( src, tmp, *opcode & 0xf );
482 break;
483 case OP_ARGS(SRC,DST):
484 dst = do_bitop( src, dst, *opcode & 0xf );
485 dstUsed = 1;
486 break;
487 case OP_ARGS(PAT,TMP):
488 tmp = do_bitop( pat, tmp, *opcode & 0xf );
489 break;
490 case OP_ARGS(PAT,DST):
491 dst = do_bitop( pat, dst, *opcode & 0xf );
492 dstUsed = 1;
493 break;
494 case OP_ARGS(PAT,SRC):
495 src = do_bitop( pat, src, *opcode & 0xf );
496 break;
497 case OP_ARGS(TMP,DST):
498 dst = do_bitop( tmp, dst, *opcode & 0xf );
499 dstUsed = 1;
500 break;
501 case OP_ARGS(TMP,SRC):
502 src = do_bitop( tmp, src, *opcode & 0xf );
503 break;
504 default:
505 printf( "Invalid opcode %x\n", *opcode );
506 }
507 }
508 if (!dstUsed) dst = src;
509 if (dst) res |= 1 << i;
510 }
511 if (res != rop) printf( "%02x: ERROR, res=%02x\n", rop, res );
512 }
513 }
514
515 #endif /* BITBLT_TEST */
516
517
518 /***********************************************************************
519 * BITBLT_StretchRow
520 *
521 * Stretch a row of pixels. Helper function for BITBLT_StretchImage.
522 */
523 static void BITBLT_StretchRow( int *rowSrc, int *rowDst,
524 short startDst, short widthDst,
525 int xinc, WORD mode )
526 {
527 register int xsrc = xinc * startDst;
528 rowDst += startDst;
529 switch(mode)
530 {
531 case STRETCH_ANDSCANS:
532 for(; widthDst > 0; widthDst--, xsrc += xinc)
533 *rowDst++ &= rowSrc[xsrc >> 16];
534 break;
535 case STRETCH_ORSCANS:
536 for(; widthDst > 0; widthDst--, xsrc += xinc)
537 *rowDst++ |= rowSrc[xsrc >> 16];
538 break;
539 case STRETCH_DELETESCANS:
540 for(; widthDst > 0; widthDst--, xsrc += xinc)
541 *rowDst++ = rowSrc[xsrc >> 16];
542 break;
543 }
544 }
545
546
547 /***********************************************************************
548 * BITBLT_ShrinkRow
549 *
550 * Shrink a row of pixels. Helper function for BITBLT_StretchImage.
551 */
552 static void BITBLT_ShrinkRow( int *rowSrc, int *rowDst,
553 short startSrc, short widthSrc,
554 int xinc, WORD mode )
555 {
556 register int xdst = xinc * startSrc;
557 rowSrc += startSrc;
558 switch(mode)
559 {
560 case STRETCH_ORSCANS:
561 for(; widthSrc > 0; widthSrc--, xdst += xinc)
562 rowDst[xdst >> 16] |= *rowSrc++;
563 break;
564 case STRETCH_ANDSCANS:
565 for(; widthSrc > 0; widthSrc--, xdst += xinc)
566 rowDst[xdst >> 16] &= *rowSrc++;
567 break;
568 case STRETCH_DELETESCANS:
569 for(; widthSrc > 0; widthSrc--, xdst += xinc)
570 rowDst[xdst >> 16] = *rowSrc++;
571 break;
572 }
573 }
574
575
576 /***********************************************************************
577 * BITBLT_GetRow
578 *
579 * Retrieve a row from an image. Helper function for BITBLT_StretchImage.
580 */
581 static void BITBLT_GetRow( XImage *image, int *pdata, short row,
582 short start, short width, short depthDst,
583 int fg, int bg, BOOL swap)
584 {
585 register short i;
586
587 pdata += swap ? start+width-1 : start;
588 if (image->depth == depthDst) /* color -> color */
589 {
590 if (COLOR_PixelToPalette && (depthDst != 1))
591 if (swap) for (i = 0; i < width; i++)
592 *pdata-- = COLOR_PixelToPalette[XGetPixel( image, i, row )];
593 else for (i = 0; i < width; i++)
594 *pdata++ = COLOR_PixelToPalette[XGetPixel( image, i, row )];
595 else
596 if (swap) for (i = 0; i < width; i++)
597 *pdata-- = XGetPixel( image, i, row );
598 else for (i = 0; i < width; i++)
599 *pdata++ = XGetPixel( image, i, row );
600 }
601 else
602 {
603 if (image->depth == 1) /* monochrome -> color */
604 {
605 if (COLOR_PixelToPalette)
606 {
607 fg = COLOR_PixelToPalette[fg];
608 bg = COLOR_PixelToPalette[bg];
609 }
610 if (swap) for (i = 0; i < width; i++)
611 *pdata-- = XGetPixel( image, i, row ) ? bg : fg;
612 else for (i = 0; i < width; i++)
613 *pdata++ = XGetPixel( image, i, row ) ? bg : fg;
614 }
615 else /* color -> monochrome */
616 {
617 if (swap) for (i = 0; i < width; i++)
618 *pdata-- = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
619 else for (i = 0; i < width; i++)
620 *pdata++ = (XGetPixel( image, i, row ) == bg) ? 1 : 0;
621 }
622 }
623 }
624
625
626 /***********************************************************************
627 * BITBLT_StretchImage
628 *
629 * Stretch an X image.
630 */
631 static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage,
632 short widthSrc, short heightSrc,
633 short widthDst, short heightDst,
634 RECT16 *visRectSrc, RECT16 *visRectDst,
635 int foreground, int background, WORD mode )
636 {
637 int *rowSrc, *rowDst, *pixel;
638 int xinc, yinc, ysrc, ydst;
639 register short x, y;
640 BOOL hstretch, vstretch, hswap, vswap;
641
642 hswap = ((int)widthSrc * widthDst) < 0;
643 vswap = ((int)heightSrc * heightDst) < 0;
644 widthSrc = abs(widthSrc);
645 heightSrc = abs(heightSrc);
646 widthDst = abs(widthDst);
647 heightDst = abs(heightDst);
648
649 dprintf_bitblt( stddeb, "BITBLT_StretchImage: %dx%d -> %dx%d (mode=%d,h=%d,v=%d)\n",
650 widthSrc, heightSrc, widthDst, heightDst, mode, hswap, vswap );
651
652 if (!(rowSrc = (int *)malloc( (widthSrc+widthDst)*sizeof(int) ))) return;
653 rowDst = rowSrc + widthSrc;
654
655 /* When stretching, all modes are the same, and DELETESCANS is faster */
656 if ((widthSrc < widthDst) && (heightSrc < heightDst))
657 mode = STRETCH_DELETESCANS;
658
659 if (mode != STRETCH_DELETESCANS)
660 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
661 widthDst*sizeof(int) );
662
663 hstretch = ((widthSrc < widthDst) || (mode == STRETCH_DELETESCANS));
664 vstretch = ((heightSrc < heightDst) || (mode == STRETCH_DELETESCANS));
665 xinc = hstretch ? ((int)widthSrc << 16) / widthDst :
666 ((int)widthDst << 16) / widthSrc;
667
668 if (vstretch)
669 {
670 yinc = ((int)heightSrc << 16) / heightDst;
671 ydst = visRectDst->top;
672 ysrc = yinc * ydst + (vswap ? heightSrc<<16 : 0);
673 }
674 else
675 {
676 yinc = ((int)heightDst << 16) / heightSrc;
677 ysrc = visRectSrc->top;
678 ydst = yinc * ysrc - (vswap ? (heightDst-1)<<16 : 0);
679 }
680
681 while(vstretch ? (ydst < visRectDst->bottom) : (ysrc < visRectSrc->bottom))
682 {
683 /* Retrieve a source row */
684 BITBLT_GetRow( srcImage, rowSrc, vstretch ? ysrc >> 16 : ysrc,
685 visRectSrc->left, visRectSrc->right - visRectSrc->left,
686 dstImage->depth, foreground, background, hswap );
687
688 /* Stretch or shrink it */
689 if (hstretch)
690 BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left +
691 (hswap ? widthDst : 0),
692 visRectDst->right-visRectDst->left, xinc, mode);
693 else BITBLT_ShrinkRow( rowSrc, rowDst, visRectSrc->left,
694 visRectSrc->right-visRectSrc->left, xinc, mode);
695
696 /* When shrinking, merge several source rows into the destination */
697 if (!vstretch)
698 {
699 if (mode == STRETCH_DELETESCANS)
700 {
701 /* Simply skip the overlapping rows */
702 while (((ydst + yinc) >> 16 == ydst >> 16) &&
703 (ysrc < visRectSrc->bottom-1))
704 {
705 ydst += yinc;
706 ysrc++;
707 }
708 }
709 else if (((ydst + yinc) >> 16 == ydst >> 16) &&
710 (ysrc < visRectSrc->bottom-1))
711 {
712 ydst += yinc;
713 ysrc++;
714 continue; /* Restart loop for next overlapping row */
715 }
716 }
717
718 /* Store the destination row */
719
720 pixel = rowDst + visRectDst->right - 1 + (hswap ? widthDst : 0);
721 if (vswap)
722 y = visRectDst->bottom - (vstretch ? ydst : ydst >> 16);
723 else
724 y = (vstretch ? ydst : ydst >> 16) - visRectDst->top;
725 for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--)
726 XPutPixel( dstImage, x, y, *pixel-- );
727 if (mode != STRETCH_DELETESCANS)
728 memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00,
729 widthDst*sizeof(int) );
730
731 /* If stretching, make copies of the destination row */
732
733 if (vstretch)
734 {
735 char *pdata = dstImage->data + dstImage->bytes_per_line * y;
736 while (((ysrc + yinc) >> 16 == ysrc >> 16) &&
737 (ydst < visRectDst->bottom-1))
738 {
739 if (vswap)
740 {
741 memcpy( pdata - dstImage->bytes_per_line, pdata,
742 dstImage->bytes_per_line );
743 pdata -= dstImage->bytes_per_line;
744 }
745 else
746 {
747 memcpy( pdata + dstImage->bytes_per_line, pdata,
748 dstImage->bytes_per_line );
749 pdata += dstImage->bytes_per_line;
750 }
751 ysrc += yinc;
752 ydst++;
753 }
754 ysrc += yinc;
755 ydst++;
756 }
757 else
758 {
759 ydst += yinc;
760 ysrc++;
761 }
762 }
763
764 free( rowSrc );
765 }
766
767
768 /***********************************************************************
769 * BITBLT_GetSrcAreaStretch
770 *
771 * Retrieve an area from the source DC, stretching and mapping all the
772 * pixels to Windows colors.
773 */
774 static void BITBLT_GetSrcAreaStretch( DC *dcSrc, DC *dcDst,
775 Pixmap pixmap, GC gc,
776 short xSrc, short ySrc,
777 short widthSrc, short heightSrc,
778 short xDst, short yDst,
779 short widthDst, short heightDst,
780 RECT16 *visRectSrc, RECT16 *visRectDst )
781 {
782 XImage *imageSrc, *imageDst;
783
784 RECT16 rectSrc = *visRectSrc;
785 RECT16 rectDst = *visRectDst;
786 OffsetRect16( &rectSrc, -xSrc, -ySrc );
787 OffsetRect16( &rectDst, -xDst, -yDst );
788 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
789 visRectSrc->left, visRectSrc->top,
790 visRectSrc->right - visRectSrc->left,
791 visRectSrc->bottom - visRectSrc->top,
792 AllPlanes, ZPixmap );
793 XCREATEIMAGE( imageDst, rectDst.right - rectDst.left,
794 rectDst.bottom - rectDst.top, dcDst->w.bitsPerPixel );
795 BITBLT_StretchImage( imageSrc, imageDst, widthSrc, heightSrc,
796 widthDst, heightDst, &rectSrc, &rectDst,
797 dcDst->w.textPixel, dcDst->w.bitsPerPixel != 1 ?
798 dcDst->w.backgroundPixel : dcSrc->w.backgroundPixel,
799 dcDst->w.stretchBltMode );
800 XPutImage( display, pixmap, gc, imageDst, 0, 0, 0, 0,
801 rectDst.right - rectDst.left, rectDst.bottom - rectDst.top );
802 XDestroyImage( imageSrc );
803 XDestroyImage( imageDst );
804 }
805
806
807 /***********************************************************************
808 * BITBLT_GetSrcArea
809 *
810 * Retrieve an area from the source DC, mapping all the
811 * pixels to Windows colors.
812 */
813 static void BITBLT_GetSrcArea( DC *dcSrc, DC *dcDst, Pixmap pixmap, GC gc,
814 short xSrc, short ySrc,
815 RECT16 *visRectSrc )
816 {
817 XImage *imageSrc, *imageDst;
818 register short x, y;
819 short width = visRectSrc->right - visRectSrc->left;
820 short height = visRectSrc->bottom - visRectSrc->top;
821
822 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
823 {
824 if (!COLOR_PixelToPalette ||
825 (dcDst->w.bitsPerPixel == 1)) /* monochrome -> monochrome */
826 {
827 XCopyArea( display, dcSrc->u.x.drawable, pixmap, gc,
828 visRectSrc->left, visRectSrc->top, width, height, 0, 0);
829 }
830 else /* color -> color */
831 {
832 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
833 visRectSrc->left, visRectSrc->top,
834 width, height, AllPlanes, ZPixmap );
835 for (y = 0; y < height; y++)
836 for (x = 0; x < width; x++)
837 XPutPixel(imageSrc, x, y,
838 COLOR_PixelToPalette[XGetPixel(imageSrc, x, y)]);
839 XPutImage( display, pixmap, gc, imageSrc,
840 0, 0, 0, 0, width, height );
841 XDestroyImage( imageSrc );
842 }
843 }
844 else
845 {
846 if (dcSrc->w.bitsPerPixel == 1) /* monochrome -> color */
847 {
848 if (COLOR_PixelToPalette)
849 {
850 XSetBackground( display, gc,
851 COLOR_PixelToPalette[dcDst->w.textPixel] );
852 XSetForeground( display, gc,
853 COLOR_PixelToPalette[dcDst->w.backgroundPixel]);
854 }
855 else
856 {
857 XSetBackground( display, gc, dcDst->w.textPixel );
858 XSetForeground( display, gc, dcDst->w.backgroundPixel );
859 }
860 XCopyPlane( display, dcSrc->u.x.drawable, pixmap, gc,
861 visRectSrc->left, visRectSrc->top,
862 width, height, 0, 0, 1 );
863 }
864 else /* color -> monochrome */
865 {
866 imageSrc = XGetImage( display, dcSrc->u.x.drawable,
867 visRectSrc->left, visRectSrc->top,
868 width, height, AllPlanes, ZPixmap );
869 XCREATEIMAGE( imageDst, width, height, dcDst->w.bitsPerPixel );
870 for (y = 0; y < height; y++)
871 for (x = 0; x < width; x++)
872 XPutPixel(imageDst, x, y, (XGetPixel(imageSrc,x,y) ==
873 dcSrc->w.backgroundPixel) );
874 XPutImage( display, pixmap, gc, imageDst,
875 0, 0, 0, 0, width, height );
876 XDestroyImage( imageSrc );
877 XDestroyImage( imageDst );
878 }
879 }
880 }
881
882
883 /***********************************************************************
884 * BITBLT_GetDstArea
885 *
886 * Retrieve an area from the destination DC, mapping all the
887 * pixels to Windows colors.
888 */
889 static void BITBLT_GetDstArea(DC *dc, Pixmap pixmap, GC gc, RECT16 *visRectDst)
890 {
891 short width = visRectDst->right - visRectDst->left;
892 short height = visRectDst->bottom - visRectDst->top;
893
894 if (!COLOR_PixelToPalette || (dc->w.bitsPerPixel == 1))
895 {
896 XCopyArea( display, dc->u.x.drawable, pixmap, gc,
897 visRectDst->left, visRectDst->top, width, height, 0, 0 );
898 }
899 else
900 {
901 register short x, y;
902 XImage *image = XGetImage( display, dc->u.x.drawable,
903 visRectDst->left, visRectDst->top,
904 width, height, AllPlanes, ZPixmap );
905 for (y = 0; y < height; y++)
906 for (x = 0; x < width; x++)
907 XPutPixel( image, x, y,
908 COLOR_PixelToPalette[XGetPixel( image, x, y )]);
909 XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, width, height );
910 }
911 }
912
913
914 /***********************************************************************
915 * BITBLT_PutDstArea
916 *
917 * Put an area back into the destination DC, mapping the pixel
918 * colors to X pixels.
919 */
920 static void BITBLT_PutDstArea(DC *dc, Pixmap pixmap, GC gc, RECT16 *visRectDst)
921 {
922 short width = visRectDst->right - visRectDst->left;
923 short height = visRectDst->bottom - visRectDst->top;
924
925 if (!COLOR_PaletteToPixel)
926 {
927 XCopyArea( display, pixmap, dc->u.x.drawable, gc, 0, 0,
928 width, height, visRectDst->left, visRectDst->top );
929 }
930 else
931 {
932 register short x, y;
933 XImage *image = XGetImage( display, pixmap, 0, 0, width, height,
934 AllPlanes, ZPixmap );
935 for (y = 0; y < height; y++)
936 for (x = 0; x < width; x++)
937 {
938 XPutPixel( image, x, y,
939 COLOR_PaletteToPixel[XGetPixel( image, x, y )]);
940 }
941 XPutImage( display, dc->u.x.drawable, gc, image, 0, 0,
942 visRectDst->left, visRectDst->top, width, height );
943 XDestroyImage( image );
944 }
945 }
946
947
948 /***********************************************************************
949 * BITBLT_GetVisRectangles
950 *
951 * Get the source and destination visible rectangles for StretchBlt().
952 * Return FALSE if one of the rectangles is empty.
953 */
954 static BOOL BITBLT_GetVisRectangles( DC *dcDst, short xDst, short yDst,
955 short widthDst, short heightDst,
956 DC *dcSrc, short xSrc, short ySrc,
957 short widthSrc, short heightSrc,
958 RECT16 *visRectSrc, RECT16 *visRectDst )
959 {
960 RECT16 tmpRect, clipRect;
961
962 if (widthSrc < 0) { widthSrc = -widthSrc; xSrc -= widthSrc; }
963 if (widthDst < 0) { widthDst = -widthDst; xDst -= widthDst; }
964 if (heightSrc < 0) { heightSrc = -heightSrc; ySrc -= heightSrc; }
965 if (heightDst < 0) { heightDst = -heightDst; yDst -= heightDst; }
966
967 /* Get the destination visible rectangle */
968
969 SetRect16( &tmpRect, xDst, yDst, xDst + widthDst, yDst + heightDst );
970 GetRgnBox16( dcDst->w.hGCClipRgn, &clipRect );
971 OffsetRect16( &clipRect, dcDst->w.DCOrgX, dcDst->w.DCOrgY );
972 if (!IntersectRect16( visRectDst, &tmpRect, &clipRect )) return FALSE;
973
974 /* Get the source visible rectangle */
975
976 if (!dcSrc) return TRUE;
977 SetRect16( &tmpRect, xSrc, ySrc, xSrc + widthSrc, ySrc + heightSrc );
978 /* Apparently the clip region is only for output, so use hVisRgn here */
979 GetRgnBox16( dcSrc->w.hVisRgn, &clipRect );
980 OffsetRect16( &clipRect, dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
981 if (!IntersectRect16( visRectSrc, &tmpRect, &clipRect )) return FALSE;
982
983 /* Intersect the rectangles */
984
985 if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */
986 {
987 OffsetRect16( visRectSrc, xDst - xSrc, yDst - ySrc );
988 if (!IntersectRect16( &tmpRect, visRectSrc, visRectDst )) return FALSE;
989 *visRectSrc = *visRectDst = tmpRect;
990 OffsetRect16( visRectSrc, xSrc - xDst, ySrc - yDst );
991 }
992 else /* stretching */
993 {
994 visRectSrc->left = xDst + (visRectSrc->left-xSrc)*widthDst/widthSrc;
995 visRectSrc->top = yDst + (visRectSrc->top-ySrc)*heightDst/heightSrc;
996 visRectSrc->right = xDst +
997 ((visRectSrc->right-xSrc) * widthDst) / widthSrc;
998 visRectSrc->bottom = yDst +
999 ((visRectSrc->bottom-ySrc) * heightDst) / heightSrc;
1000 if (!IntersectRect16( &tmpRect, visRectSrc, visRectDst )) return FALSE;
1001 *visRectSrc = *visRectDst = tmpRect;
1002 visRectSrc->left = xSrc + (visRectSrc->left-xDst)*widthSrc/widthDst;
1003 visRectSrc->top = ySrc + (visRectSrc->top-yDst)*heightSrc/heightDst;
1004 visRectSrc->right = xSrc +
1005 ((visRectSrc->right-xDst) * widthSrc) / widthDst;
1006 visRectSrc->bottom = ySrc +
1007 ((visRectSrc->bottom-yDst) * heightSrc) / heightDst;
1008 if (IsRectEmpty16( visRectSrc )) return FALSE;
1009 }
1010 return TRUE;
1011 }
1012
1013
1014 /***********************************************************************
1015 * BITBLT_InternalStretchBlt
1016 *
1017 * Implementation of PatBlt(), BitBlt() and StretchBlt().
1018 */
1019 BOOL BITBLT_InternalStretchBlt( DC *dcDst, short xDst, short yDst,
1020 short widthDst, short heightDst,
1021 DC *dcSrc, short xSrc, short ySrc,
1022 short widthSrc, short heightSrc, DWORD rop )
1023 {
1024 BOOL usePat, useSrc, useDst, destUsed, fStretch, fNullBrush;
1025 RECT16 visRectDst, visRectSrc;
1026 short width, height;
1027 const BYTE *opcode;
1028 Pixmap pixmaps[3] = { 0, 0, 0 }; /* pixmaps for DST, SRC, TMP */
1029 GC tmpGC = 0;
1030
1031 usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000));
1032 useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000));
1033 useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000));
1034 if (!dcSrc && useSrc) return FALSE;
1035
1036 if (dcDst->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dcDst );
1037 if (dcSrc && (dcSrc->w.flags & DC_DIRTY)) CLIPPING_UpdateGCRegion( dcSrc );
1038
1039 /* Map the coordinates to device coords */
1040
1041 xDst = dcDst->w.DCOrgX + XLPTODP( dcDst, xDst );
1042 yDst = dcDst->w.DCOrgY + YLPTODP( dcDst, yDst );
1043 widthDst = widthDst * dcDst->w.VportExtX / dcDst->w.WndExtX;
1044 heightDst = heightDst * dcDst->w.VportExtY / dcDst->w.WndExtY;
1045
1046 dprintf_bitblt( stddeb, " vportdst=%d,%d-%d,%d wnddst=%d,%d-%d,%d\n",
1047 dcDst->w.VportOrgX, dcDst->w.VportOrgY,
1048 dcDst->w.VportExtX, dcDst->w.VportExtY,
1049 dcDst->w.WndOrgX, dcDst->w.WndOrgY,
1050 dcDst->w.WndExtX, dcDst->w.WndExtY );
1051 dprintf_bitblt( stddeb, " rectdst=%d,%d-%d,%d orgdst=%d,%d\n",
1052 xDst, yDst, widthDst, heightDst,
1053 dcDst->w.DCOrgX, dcDst->w.DCOrgY );
1054
1055 if (useSrc)
1056 {
1057 xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc );
1058 ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc );
1059 widthSrc = widthSrc * dcSrc->w.VportExtX / dcSrc->w.WndExtX;
1060 heightSrc = heightSrc * dcSrc->w.VportExtY / dcSrc->w.WndExtY;
1061 fStretch = (widthSrc != widthDst) || (heightSrc != heightDst);
1062 dprintf_bitblt( stddeb," vportsrc=%d,%d-%d,%d wndsrc=%d,%d-%d,%d\n",
1063 dcSrc->w.VportOrgX, dcSrc->w.VportOrgY,
1064 dcSrc->w.VportExtX, dcSrc->w.VportExtY,
1065 dcSrc->w.WndOrgX, dcSrc->w.WndOrgY,
1066 dcSrc->w.WndExtX, dcSrc->w.WndExtY );
1067 dprintf_bitblt( stddeb, " rectsrc=%d,%d-%d,%d orgsrc=%d,%d\n",
1068 xSrc, ySrc, widthSrc, heightSrc,
1069 dcSrc->w.DCOrgX, dcSrc->w.DCOrgY );
1070 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1071 dcSrc, xSrc, ySrc, widthSrc, heightSrc,
1072 &visRectSrc, &visRectDst ))
1073 return TRUE;
1074 dprintf_bitblt( stddeb, " vissrc=%d,%d-%d,%d visdst=%d,%d-%d,%d\n",
1075 visRectSrc.left, visRectSrc.top,
1076 visRectSrc.right, visRectSrc.bottom,
1077 visRectDst.left, visRectDst.top,
1078 visRectDst.right, visRectDst.bottom );
1079 }
1080 else
1081 {
1082 fStretch = FALSE;
1083 if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst,
1084 NULL, 0, 0, 0, 0, NULL, &visRectDst ))
1085 return TRUE;
1086 dprintf_bitblt( stddeb, " vissrc=none visdst=%d,%d-%d,%d\n",
1087 visRectDst.left, visRectDst.top,
1088 visRectDst.right, visRectDst.bottom );
1089 }
1090
1091 width = visRectDst.right - visRectDst.left;
1092 height = visRectDst.bottom - visRectDst.top;
1093
1094 if (!fStretch) switch(rop) /* A few optimisations */
1095 {
1096 case BLACKNESS: /* 0x00 */
1097 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1098 XSetFunction( display, dcDst->u.x.gc, GXclear );
1099 else
1100 {
1101 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1102 XSetForeground( display, dcDst->u.x.gc, COLOR_PaletteToPixel[0] );
1103 XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
1104 }
1105 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1106 visRectDst.left, visRectDst.top, width, height );
1107 return TRUE;
1108
1109 case DSTINVERT: /* 0x55 */
1110 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel ||
1111 !Options.perfectGraphics)
1112 {
1113 XSetFunction( display, dcDst->u.x.gc, GXinvert );
1114 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1115 visRectDst.left, visRectDst.top, width, height );
1116 return TRUE;
1117 }
1118 break;
1119
1120 case PATINVERT: /* 0x5a */
1121 if (Options.perfectGraphics) break;
1122 if (!DC_SetupGCForBrush( dcDst )) return TRUE;
1123 XSetFunction( display, dcDst->u.x.gc, GXxor );
1124 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1125 visRectDst.left, visRectDst.top, width, height );
1126 return TRUE;
1127
1128 case SRCCOPY: /* 0xcc */
1129 if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel)
1130 {
1131 XSetGraphicsExposures( display, dcDst->u.x.gc, True );
1132 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1133 XCopyArea( display, dcSrc->u.x.drawable,
1134 dcDst->u.x.drawable, dcDst->u.x.gc,
1135 visRectSrc.left, visRectSrc.top,
1136 width, height, visRectDst.left, visRectDst.top );
1137 XSetGraphicsExposures( display, dcDst->u.x.gc, False );
1138 return TRUE;
1139 }
1140 if (dcSrc->w.bitsPerPixel == 1)
1141 {
1142 XSetBackground( display, dcDst->u.x.gc, dcDst->w.textPixel );
1143 XSetForeground( display, dcDst->u.x.gc, dcDst->w.backgroundPixel );
1144 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1145 XSetGraphicsExposures( display, dcDst->u.x.gc, True );
1146 XCopyPlane( display, dcSrc->u.x.drawable,
1147 dcDst->u.x.drawable, dcDst->u.x.gc,
1148 visRectSrc.left, visRectSrc.top,
1149 width, height, visRectDst.left, visRectDst.top, 1 );
1150 XSetGraphicsExposures( display, dcDst->u.x.gc, False );
1151 return TRUE;
1152 }
1153 break;
1154
1155 case PATCOPY: /* 0xf0 */
1156 if (!DC_SetupGCForBrush( dcDst )) return TRUE;
1157 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1158 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1159 visRectDst.left, visRectDst.top, width, height );
1160 return TRUE;
1161
1162 case WHITENESS: /* 0xff */
1163 if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
1164 XSetFunction( display, dcDst->u.x.gc, GXset );
1165 else
1166 {
1167 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1168 XSetForeground( display, dcDst->u.x.gc,
1169 COLOR_PaletteToPixel[COLOR_GetSystemPaletteSize() - 1]);
1170 XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
1171 }
1172 XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
1173 visRectDst.left, visRectDst.top, width, height );
1174 return TRUE;
1175 }
1176
1177 tmpGC = XCreateGC( display, dcDst->u.x.drawable, 0, NULL );
1178 pixmaps[DST] = XCreatePixmap( display, rootWindow, width, height,
1179 dcDst->w.bitsPerPixel );
1180 if (useSrc)
1181 {
1182 pixmaps[SRC] = XCreatePixmap( display, rootWindow, width, height,
1183 dcDst->w.bitsPerPixel );
1184 if (fStretch)
1185 BITBLT_GetSrcAreaStretch( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1186 xSrc, ySrc, widthSrc, heightSrc,
1187 xDst, yDst, widthDst, heightDst,
1188 &visRectSrc, &visRectDst );
1189 else
1190 BITBLT_GetSrcArea( dcSrc, dcDst, pixmaps[SRC], tmpGC,
1191 xSrc, ySrc, &visRectSrc );
1192 }
1193 if (useDst) BITBLT_GetDstArea( dcDst, pixmaps[DST], tmpGC, &visRectDst );
1194 if (usePat) fNullBrush = !DC_SetupGCForPatBlt( dcDst, tmpGC, TRUE );
1195 else fNullBrush = FALSE;
1196 destUsed = FALSE;
1197
1198 for (opcode = BITBLT_Opcodes[(rop >> 16) & 0xff]; *opcode; opcode++)
1199 {
1200 if (OP_DST(*opcode) == DST) destUsed = TRUE;
1201 XSetFunction( display, tmpGC, OP_ROP(*opcode) );
1202 switch(OP_SRCDST(*opcode))
1203 {
1204 case OP_ARGS(DST,TMP):
1205 case OP_ARGS(SRC,TMP):
1206 if (!pixmaps[TMP])
1207 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1208 width, height,
1209 dcDst->w.bitsPerPixel );
1210 /* fall through */
1211 case OP_ARGS(DST,SRC):
1212 case OP_ARGS(SRC,DST):
1213 case OP_ARGS(TMP,SRC):
1214 case OP_ARGS(TMP,DST):
1215 XCopyArea( display, pixmaps[OP_SRC(*opcode)],
1216 pixmaps[OP_DST(*opcode)], tmpGC,
1217 0, 0, width, height, 0, 0 );
1218 break;
1219
1220 case OP_ARGS(PAT,TMP):
1221 if (!pixmaps[TMP] && !fNullBrush)
1222 pixmaps[TMP] = XCreatePixmap( display, rootWindow,
1223 width, height,
1224 dcDst->w.bitsPerPixel );
1225 /* fall through */
1226 case OP_ARGS(PAT,DST):
1227 case OP_ARGS(PAT,SRC):
1228 if (!fNullBrush)
1229 XFillRectangle( display, pixmaps[OP_DST(*opcode)],
1230 tmpGC, 0, 0, width, height );
1231 break;
1232 }
1233 }
1234 XSetFunction( display, dcDst->u.x.gc, GXcopy );
1235 BITBLT_PutDstArea( dcDst, pixmaps[destUsed ? DST : SRC],
1236 dcDst->u.x.gc, &visRectDst );
1237 XFreePixmap( display, pixmaps[DST] );
1238 if (pixmaps[SRC]) XFreePixmap( display, pixmaps[SRC] );
1239 if (pixmaps[TMP]) XFreePixmap( display, pixmaps[TMP] );
1240 XFreeGC( display, tmpGC );
1241 return TRUE;
1242 }
1243
1244
1245 /***********************************************************************
1246 * PatBlt (GDI.29)
1247 */
1248 BOOL PatBlt( HDC hdc, short left, short top,
1249 short width, short height, DWORD rop)
1250 {
1251 DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1252 if (!dc)
1253 {
1254 dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
1255 if (!dc) return FALSE;
1256 MF_MetaParam6(dc, META_PATBLT, left, top, width, height,
1257 HIWORD(rop), LOWORD(rop));
1258 return TRUE;
1259 }
1260
1261 dprintf_bitblt(stddeb, "PatBlt: %04x %d,%d %dx%d %06lx\n",
1262 hdc, left, top, width, height, rop );
1263
1264 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1265 dc, left, top, width, height,
1266 NULL, 0, 0, 0, 0, rop );
1267 }
1268
1269
1270 /***********************************************************************
1271 * BitBlt (GDI.34)
1272 */
1273 BOOL BitBlt( HDC hdcDst, INT xDst, INT yDst, INT width, INT height,
1274 HDC hdcSrc, INT xSrc, INT ySrc, DWORD rop )
1275 {
1276 DC *dcDst, *dcSrc;
1277
1278 if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, DC_MAGIC )))
1279 {
1280 dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC );
1281 if (!dcDst) return FALSE;
1282 return MF_BitBlt( dcDst, xDst, yDst, width, height,
1283 hdcSrc, xSrc, ySrc, rop );
1284 }
1285 dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC );
1286
1287 dprintf_bitblt(stddeb,
1288 "BitBlt: hdcSrc=%04x %d,%d %d bpp -> hdcDest=%04x %d,%d %dx%dx%d rop=%06lx\n",
1289 hdcSrc, xSrc, ySrc, dcSrc ? dcSrc->w.bitsPerPixel : 0,
1290 hdcDst, xDst, yDst, width, height, dcDst->w.bitsPerPixel, rop);
1291
1292 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1293 dcDst, xDst, yDst, width, height,
1294 dcSrc, xSrc, ySrc, width, height, rop );
1295 }
1296
1297
1298 /***********************************************************************
1299 * StretchBlt (GDI.35)
1300 */
1301 BOOL StretchBlt( HDC hdcDst, short xDst, short yDst,
1302 short widthDst, short heightDst,
1303 HDC hdcSrc, short xSrc, short ySrc,
1304 short widthSrc, short heightSrc, DWORD rop )
1305 {
1306 DC *dcDst, *dcSrc;
1307
1308 if (!(dcDst = (DC *) GDI_GetObjPtr( hdcDst, DC_MAGIC )))
1309 {
1310 if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC )))
1311 return FALSE;
1312 return MF_StretchBlt( dcDst, xDst, yDst, widthDst, heightDst,
1313 hdcSrc, xSrc, ySrc, widthSrc, heightSrc, rop );
1314 }
1315
1316 dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC );
1317 dprintf_bitblt(stddeb,
1318 "StretchBlt: %04x %d,%d %dx%dx%d -> %04x %d,%d %dx%dx%d rop=%06lx\n",
1319 hdcSrc, xSrc, ySrc, widthSrc, heightSrc,
1320 dcSrc ? dcSrc->w.bitsPerPixel : 0, hdcDst, xDst, yDst,
1321 widthDst, heightDst, dcDst->w.bitsPerPixel, rop );
1322
1323 return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11,
1324 dcDst, xDst, yDst, widthDst, heightDst,
1325 dcSrc, xSrc, ySrc, widthSrc, heightSrc, rop );
1326 }
1327 /***********************************************************************
1328 * FastWindowFrame (GDI.400)
1329 */
1330 WORD
1331 FastWindowFrame(WORD x1,DWORD x2,WORD x3,WORD x4,DWORD x5) {
1332 dprintf_gdi(stdnimp,"FastWindowFrame (%04x, %08lx, %04x, %04x, %08lx) // unimplemented!\n",x1,x2,x3,x4,x5);
1333 return 0xFFFF; /* failed? */
1334 }
Maarten's multimedia branch