| /* |
| * GDI bit-blit operations |
| * |
| * Copyright 1993, 1994 Alexandre Julliard |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <X11/Xlib.h> |
| #include <X11/Intrinsic.h> |
| #include "bitmap.h" |
| #include "callback.h" |
| #include "color.h" |
| #include "dc.h" |
| #include "metafile.h" |
| #include "options.h" |
| #include "stddebug.h" |
| /* #define DEBUG_BITBLT */ |
| #include "debug.h" |
| #include "xmalloc.h" |
| |
| |
| #define DST 0 /* Destination drawable */ |
| #define SRC 1 /* Source drawable */ |
| #define TMP 2 /* Temporary drawable */ |
| #define PAT 3 /* Pattern (brush) in destination DC */ |
| |
| #define OP(src,dst,rop) (OP_ARGS(src,dst) << 4 | (rop)) |
| #define OP_ARGS(src,dst) (((src) << 2) | (dst)) |
| |
| #define OP_SRC(opcode) ((opcode) >> 6) |
| #define OP_DST(opcode) (((opcode) >> 4) & 3) |
| #define OP_SRCDST(opcode) ((opcode) >> 4) |
| #define OP_ROP(opcode) ((opcode) & 0x0f) |
| |
| #define MAX_OP_LEN 6 /* Longest opcode + 1 for the terminating 0 */ |
| |
| extern void CLIPPING_UpdateGCRegion(DC* ); |
| |
| static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] = |
| { |
| { OP(PAT,DST,GXclear) }, /* 0x00 0 */ |
| { OP(PAT,SRC,GXor), OP(SRC,DST,GXnor) }, /* 0x01 ~(D|(P|S)) */ |
| { OP(PAT,SRC,GXnor), OP(SRC,DST,GXand) }, /* 0x02 D&~(P|S) */ |
| { OP(PAT,SRC,GXnor) }, /* 0x03 ~(P|S) */ |
| { OP(PAT,DST,GXnor), OP(SRC,DST,GXand) }, /* 0x04 S&~(D|P) */ |
| { OP(PAT,DST,GXnor) }, /* 0x05 ~(D|P) */ |
| { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnor), }, /* 0x06 ~(P|~(D^S)) */ |
| { OP(SRC,DST,GXand), OP(PAT,DST,GXnor) }, /* 0x07 ~(P|(D&S)) */ |
| { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXand) },/* 0x08 S&D&~P */ |
| { OP(SRC,DST,GXxor), OP(PAT,DST,GXnor) }, /* 0x09 ~(P|(D^S)) */ |
| { OP(PAT,DST,GXandInverted) }, /* 0x0a D&~P */ |
| { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXnor) }, /* 0x0b ~(P|(S&~D)) */ |
| { OP(PAT,SRC,GXandInverted) }, /* 0x0c S&~P */ |
| { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXnor) },/* 0x0d ~(P|(D&~S)) */ |
| { OP(SRC,DST,GXnor), OP(PAT,DST,GXnor) }, /* 0x0e ~(P|~(D|S)) */ |
| { OP(PAT,DST,GXcopyInverted) }, /* 0x0f ~P */ |
| { OP(SRC,DST,GXnor), OP(PAT,DST,GXand) }, /* 0x10 P&~(S|D) */ |
| { OP(SRC,DST,GXnor) }, /* 0x11 ~(D|S) */ |
| { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnor) }, /* 0x12 ~(S|~(D^P)) */ |
| { OP(PAT,DST,GXand), OP(SRC,DST,GXnor) }, /* 0x13 ~(S|(D&P)) */ |
| { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnor) }, /* 0x14 ~(D|~(P^S)) */ |
| { OP(PAT,SRC,GXand), OP(SRC,DST,GXnor) }, /* 0x15 ~(D|(P&S)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand), |
| OP(TMP,DST,GXand), OP(SRC,DST,GXxor), |
| OP(PAT,DST,GXxor) }, /* 0x16 P^S^(D&~(P&S) */ |
| { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor), |
| OP(PAT,SRC,GXxor), OP(SRC,DST,GXand), |
| OP(TMP,DST,GXequiv) }, /* 0x17 ~S^((S^P)&(S^D))*/ |
| { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor), |
| OP(SRC,DST,GXand) }, /* 0x18 (S^P)&(D^P) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXnand), |
| OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x19 ~S^(D&~(P&S)) */ |
| { OP(PAT,SRC,GXand), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXxor) }, /* 0x1a P^(D|(S&P)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXxor), |
| OP(TMP,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x1b ~S^(D&(P^S)) */ |
| { OP(PAT,DST,GXand), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXxor) }, /* 0x1c P^(S|(D&P)) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x1d ~D^(S&(D^P)) */ |
| { OP(SRC,DST,GXor), OP(PAT,DST,GXxor) }, /* 0x1e P^(D|S) */ |
| { OP(SRC,DST,GXor), OP(PAT,DST,GXnand) }, /* 0x1f ~(P&(D|S)) */ |
| { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXand) }, /* 0x20 D&(P&~S) */ |
| { OP(PAT,DST,GXxor), OP(SRC,DST,GXnor) }, /* 0x21 ~(S|(D^P)) */ |
| { OP(SRC,DST,GXandInverted) }, /* 0x22 ~S&D */ |
| { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x23 ~(S|(P&~D)) */ |
| { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor), |
| OP(SRC,DST,GXand) }, /* 0x24 (S^P)&(S^D) */ |
| { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXequiv) }, /* 0x25 ~P^(D&~(S&P)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand), |
| OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x26 S^(D|(S&P)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXequiv), |
| OP(TMP,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x27 S^(D|~(P^S)) */ |
| { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand) }, /* 0x28 D&(P^S) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,TMP,GXand), |
| OP(TMP,DST,GXor), OP(SRC,DST,GXxor), |
| OP(PAT,DST,GXequiv) }, /* 0x29 ~P^S^(D|(P&S)) */ |
| { OP(PAT,SRC,GXnand), OP(SRC,DST,GXand) }, /* 0x2a D&~(P&S) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor), |
| OP(PAT,DST,GXxor), OP(SRC,DST,GXand), |
| OP(TMP,DST,GXequiv) }, /* 0x2b ~S^((P^S)&(P^D))*/ |
| { OP(SRC,DST,GXor), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXxor) }, /* 0x2c S^(P&(S|D)) */ |
| { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXxor) }, /* 0x2d P^(S|~D) */ |
| { OP(PAT,DST,GXxor), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXxor) }, /* 0x2e P^(S|(D^P)) */ |
| { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXnand) }, /* 0x2f ~(P&(S|~D)) */ |
| { OP(PAT,SRC,GXandReverse) }, /* 0x30 P&~S */ |
| { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXnor) },/* 0x31 ~(S|(D&~P)) */ |
| { OP(SRC,DST,GXor), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x32 S^(D|P|S) */ |
| { OP(SRC,DST,GXcopyInverted) }, /* 0x33 ~S */ |
| { OP(SRC,DST,GXand), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x34 S^(P|(D&S)) */ |
| { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x35 S^(P|~(D^S)) */ |
| { OP(PAT,DST,GXor), OP(SRC,DST,GXxor) }, /* 0x36 S^(D|P) */ |
| { OP(PAT,DST,GXor), OP(SRC,DST,GXnand) }, /* 0x37 ~(S&(D|P)) */ |
| { OP(PAT,DST,GXor), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXxor) }, /* 0x38 P^(S&(D|P)) */ |
| { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x39 S^(P|~D) */ |
| { OP(SRC,DST,GXxor), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x3a S^(P|(D^S)) */ |
| { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x3b ~(S&(P|~D)) */ |
| { OP(PAT,SRC,GXxor) }, /* 0x3c P^S */ |
| { OP(SRC,DST,GXnor), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x3d S^(P|~(D|S)) */ |
| { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x3e S^(P|(D&~S)) */ |
| { OP(PAT,SRC,GXnand) }, /* 0x3f ~(P&S) */ |
| { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXand) }, /* 0x40 P&S&~D */ |
| { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnor) }, /* 0x41 ~(D|(P^S)) */ |
| { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor), |
| OP(SRC,DST,GXand) }, /* 0x42 (S^D)&(P^D) */ |
| { OP(SRC,DST,GXnand), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXequiv) }, /* 0x43 ~S^(P&~(D&S)) */ |
| { OP(SRC,DST,GXandReverse) }, /* 0x44 S&~D */ |
| { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXnor) }, /* 0x45 ~(D|(P&~S)) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x46 D^(S|(P&D)) */ |
| { OP(PAT,DST,GXxor), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXequiv) }, /* 0x47 ~P^(S&(D^P)) */ |
| { OP(PAT,DST,GXxor), OP(SRC,DST,GXand) }, /* 0x48 S&(P^D) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXxor), |
| OP(PAT,DST,GXequiv) }, /* 0x49 ~P^D^(S|(P&D)) */ |
| { OP(DST,SRC,GXor), OP(PAT,SRC,GXand), |
| OP(SRC,DST,GXxor) }, /* 0x4a D^(P&(S|D)) */ |
| { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXxor) }, /* 0x4b P^(D|~S) */ |
| { OP(PAT,DST,GXnand), OP(SRC,DST,GXand) }, /* 0x4c S&~(D&P) */ |
| { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor), |
| OP(PAT,SRC,GXxor), OP(SRC,DST,GXor), |
| OP(TMP,DST,GXequiv) }, /* 0x4d ~S^((S^P)|(S^D))*/ |
| { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXxor) }, /* 0x4e P^(D|(S^P)) */ |
| { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXnand) },/* 0x4f ~(P&(D|~S)) */ |
| { OP(PAT,DST,GXandReverse) }, /* 0x50 P&~D */ |
| { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXnor) },/* 0x51 ~(D|(S&~P)) */ |
| { OP(DST,SRC,GXand), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x52 D^(P|(S&D)) */ |
| { OP(SRC,DST,GXxor), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXequiv) }, /* 0x53 ~S^(P&(D^S)) */ |
| { OP(PAT,SRC,GXnor), OP(SRC,DST,GXnor) }, /* 0x54 ~(D|~(P|S)) */ |
| { OP(PAT,DST,GXinvert) }, /* 0x55 ~D */ |
| { OP(PAT,SRC,GXor), OP(SRC,DST,GXxor) }, /* 0x56 D^(P|S) */ |
| { OP(PAT,SRC,GXor), OP(SRC,DST,GXnand) }, /* 0x57 ~(D&(P|S)) */ |
| { OP(PAT,SRC,GXor), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXxor) }, /* 0x58 P^(D&(P|S)) */ |
| { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXxor) }, /* 0x59 D^(P|~S) */ |
| { OP(PAT,DST,GXxor) }, /* 0x5a D^P */ |
| { OP(DST,SRC,GXnor), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x5b D^(P|~(S|D)) */ |
| { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x5c D^(P|(S^D)) */ |
| { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXnand) }, /* 0x5d ~(D&(P|~S)) */ |
| { OP(DST,SRC,GXandInverted), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXxor) }, /* 0x5e D^(P|(S&~D)) */ |
| { OP(PAT,DST,GXnand) }, /* 0x5f ~(D&P) */ |
| { OP(SRC,DST,GXxor), OP(PAT,DST,GXand) }, /* 0x60 P&(D^S) */ |
| { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXor), OP(SRC,DST,GXxor), |
| OP(TMP,DST,GXequiv) }, /* 0x61 ~D^S^(P|(D&S)) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x62 D^(S&(P|D)) */ |
| { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x63 S^(D|~P) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x64 S^(D&(P|S)) */ |
| { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXxor) }, /* 0x65 D^(S|~P) */ |
| { OP(SRC,DST,GXxor) }, /* 0x66 S^D */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x67 S^(D|~(S|P) */ |
| { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnor), |
| OP(PAT,DST,GXor), OP(SRC,DST,GXxor), |
| OP(TMP,DST,GXequiv) }, /* 0x68 ~D^S^(P|~(D|S))*/ |
| { OP(SRC,DST,GXxor), OP(PAT,DST,GXequiv) }, /* 0x69 ~P^(D^S) */ |
| { OP(PAT,SRC,GXand), OP(SRC,DST,GXxor) }, /* 0x6a D^(P&S) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXxor), |
| OP(PAT,DST,GXequiv) }, /* 0x6b ~P^S^(D&(P|S)) */ |
| { OP(PAT,DST,GXand), OP(SRC,DST,GXxor) }, /* 0x6c S^(D&P) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXxor), |
| OP(PAT,DST,GXequiv) }, /* 0x6d ~P^D^(S&(P|D)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0x6e S^(D&(P|~S)) */ |
| { OP(SRC,DST,GXequiv), OP(PAT,DST,GXnand) }, /* 0x6f ~(P&~(S^D)) */ |
| { OP(SRC,DST,GXnand), OP(PAT,DST,GXand) }, /* 0x70 P&~(D&S) */ |
| { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor), |
| OP(PAT,DST,GXxor), OP(SRC,DST,GXand), |
| OP(TMP,DST,GXequiv) }, /* 0x71 ~S^((S^D)&(P^D))*/ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x72 S^(D|(P^S)) */ |
| { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXnand) },/* 0x73 ~(S&(D|~P)) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x74 D^(S|(P^D)) */ |
| { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXnand) },/* 0x75 ~(D&(S|~P)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXxor) }, /* 0x76 S^(D|(P&~S)) */ |
| { OP(SRC,DST,GXnand) }, /* 0x77 ~(S&D) */ |
| { OP(SRC,DST,GXand), OP(PAT,DST,GXxor) }, /* 0x78 P^(D&S) */ |
| { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXand), OP(SRC,DST,GXxor), |
| OP(TMP,DST,GXequiv) }, /* 0x79 ~D^S^(P&(D|S)) */ |
| { OP(DST,SRC,GXorInverted), OP(PAT,SRC,GXand), |
| OP(SRC,DST,GXxor) }, /* 0x7a D^(P&(S|~D)) */ |
| { OP(PAT,DST,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7b ~(S&~(D^P)) */ |
| { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXxor) }, /* 0x7c S^(P&(D|~S)) */ |
| { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXnand) }, /* 0x7d ~(D&~(P^S)) */ |
| { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor), |
| OP(SRC,DST,GXor) }, /* 0x7e (S^P)|(S^D) */ |
| { OP(PAT,SRC,GXand), OP(SRC,DST,GXnand) }, /* 0x7f ~(D&P&S) */ |
| { OP(PAT,SRC,GXand), OP(SRC,DST,GXand) }, /* 0x80 D&P&S */ |
| { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor), |
| OP(SRC,DST,GXnor) }, /* 0x81 ~((S^P)|(S^D)) */ |
| { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXand) }, /* 0x82 D&~(P^S) */ |
| { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXequiv) }, /* 0x83 ~S^(P&(D|~S)) */ |
| { OP(PAT,DST,GXequiv), OP(SRC,DST,GXand) }, /* 0x84 S&~(D^P) */ |
| { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXequiv) }, /* 0x85 ~P^(D&(S|~P)) */ |
| { OP(DST,TMP,GXcopy), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXand), OP(SRC,DST,GXxor), |
| OP(TMP,DST,GXxor) }, /* 0x86 D^S^(P&(D|S)) */ |
| { OP(SRC,DST,GXand), OP(PAT,DST,GXequiv) }, /* 0x87 ~P^(D&S) */ |
| { OP(SRC,DST,GXand) }, /* 0x88 S&D */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXandReverse), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x89 ~S^(D|(P&~S)) */ |
| { OP(PAT,SRC,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8a D&(S|~P) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8b ~D^(S|(P^D)) */ |
| { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXand) }, /* 0x8c S&(D|~P) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x8d ~S^(D|(P^S)) */ |
| { OP(SRC,TMP,GXcopy), OP(DST,SRC,GXxor), |
| OP(PAT,DST,GXxor), OP(SRC,DST,GXand), |
| OP(TMP,DST,GXxor) }, /* 0x8e S^((S^D)&(P^D))*/ |
| { OP(SRC,DST,GXnand), OP(PAT,DST,GXnand) }, /* 0x8f ~(P&~(D&S)) */ |
| { OP(SRC,DST,GXequiv), OP(PAT,DST,GXand) }, /* 0x90 P&~(D^S) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXorReverse), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x91 ~S^(D&(P|~S)) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXand), OP(PAT,DST,GXxor), |
| OP(TMP,DST,GXxor) }, /* 0x92 D^P^(S&(D|P)) */ |
| { OP(PAT,DST,GXand), OP(SRC,DST,GXequiv) }, /* 0x93 ~S^(P&D) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXand), OP(PAT,DST,GXxor), |
| OP(TMP,DST,GXxor) }, /* 0x94 S^P^(D&(P|S)) */ |
| { OP(PAT,SRC,GXand), OP(SRC,DST,GXequiv) }, /* 0x95 ~D^(P&S) */ |
| { OP(PAT,SRC,GXxor), OP(SRC,DST,GXxor) }, /* 0x96 D^P^S */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor), |
| OP(SRC,DST,GXor), OP(PAT,DST,GXxor), |
| OP(TMP,DST,GXxor) }, /* 0x97 S^P^(D|~(P|S)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnor), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0x98 ~S^(D|~(P|S)) */ |
| { OP(SRC,DST,GXequiv) }, /* 0x99 ~S^D */ |
| { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9a D^(P&~S) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9b ~S^(D&(P|S)) */ |
| { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXxor) }, /* 0x9c S^(P&~D) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXequiv) }, /* 0x9d ~D^(S&(P|D)) */ |
| { OP(DST,TMP,GXcopy), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXor), OP(SRC,DST,GXxor), |
| OP(TMP,DST,GXxor) }, /* 0x9e D^S^(P|(D&S)) */ |
| { OP(SRC,DST,GXxor), OP(PAT,DST,GXnand) }, /* 0x9f ~(P&(D^S)) */ |
| { OP(PAT,DST,GXand) }, /* 0xa0 D&P */ |
| { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXequiv) }, /* 0xa1 ~P^(D|(S&~P)) */ |
| { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXand) }, /* 0xa2 D&(P|~S) */ |
| { OP(DST,SRC,GXxor), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXequiv) }, /* 0xa3 ~D^(P|(S^D)) */ |
| { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXequiv) }, /* 0xa4 ~P^(D|~(S|P)) */ |
| { OP(PAT,DST,GXequiv) }, /* 0xa5 ~P^D */ |
| { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXxor) },/* 0xa6 D^(S&~P) */ |
| { OP(PAT,SRC,GXor), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXequiv) }, /* 0xa7 ~P^(D&(S|P)) */ |
| { OP(PAT,SRC,GXor), OP(SRC,DST,GXand) }, /* 0xa8 D&(P|S) */ |
| { OP(PAT,SRC,GXor), OP(SRC,DST,GXequiv) }, /* 0xa9 ~D^(P|S) */ |
| { OP(SRC,DST,GXnoop) }, /* 0xaa D */ |
| { OP(PAT,SRC,GXnor), OP(SRC,DST,GXor) }, /* 0xab D|~(P|S) */ |
| { OP(SRC,DST,GXxor), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXxor) }, /* 0xac S^(P&(D^S)) */ |
| { OP(DST,SRC,GXand), OP(PAT,SRC,GXor), |
| OP(SRC,DST,GXequiv) }, /* 0xad ~D^(P|(S&D)) */ |
| { OP(PAT,SRC,GXandInverted), OP(SRC,DST,GXor) }, /* 0xae D|(S&~P) */ |
| { OP(PAT,DST,GXorInverted) }, /* 0xaf D|~P */ |
| { OP(SRC,DST,GXorInverted), OP(PAT,DST,GXand) }, /* 0xb0 P&(D|~S) */ |
| { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXequiv) }, /* 0xb1 ~P^(D|(S^P)) */ |
| { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor), |
| OP(PAT,SRC,GXxor), OP(SRC,DST,GXor), |
| OP(TMP,DST,GXxor) }, /* 0xb2 S^((S^P)|(S^D))*/ |
| { OP(PAT,DST,GXnand), OP(SRC,DST,GXnand) }, /* 0xb3 ~(S&~(D&P)) */ |
| { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXxor) }, /* 0xb4 P^(S&~D) */ |
| { OP(DST,SRC,GXor), OP(PAT,SRC,GXand), |
| OP(SRC,DST,GXequiv) }, /* 0xb5 ~D^(P&(S|D)) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXor), OP(PAT,DST,GXxor), |
| OP(TMP,DST,GXxor) }, /* 0xb6 D^P^(S|(D&P)) */ |
| { OP(PAT,DST,GXxor), OP(SRC,DST,GXnand) }, /* 0xb7 ~(S&(D^P)) */ |
| { OP(PAT,DST,GXxor), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXxor) }, /* 0xb8 P^(S&(D^P)) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xb9 ~D^(S|(P&D)) */ |
| { OP(PAT,SRC,GXandReverse), OP(SRC,DST,GXor) }, /* 0xba D|(P&~S) */ |
| { OP(SRC,DST,GXorInverted) }, /* 0xbb ~S|D */ |
| { OP(SRC,DST,GXnand), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXxor) }, /* 0xbc S^(P&~(D&S)) */ |
| { OP(DST,SRC,GXxor), OP(PAT,DST,GXxor), |
| OP(SRC,DST,GXnand) }, /* 0xbd ~((S^D)&(P^D)) */ |
| { OP(PAT,SRC,GXxor), OP(SRC,DST,GXor) }, /* 0xbe D|(P^S) */ |
| { OP(PAT,SRC,GXnand), OP(SRC,DST,GXor) }, /* 0xbf D|~(P&S) */ |
| { OP(PAT,SRC,GXand) }, /* 0xc0 P&S */ |
| { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXequiv) }, /* 0xc1 ~S^(P|(D&~S)) */ |
| { OP(SRC,DST,GXnor), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXequiv) }, /* 0xc2 ~S^(P|~(D|S)) */ |
| { OP(PAT,SRC,GXequiv) }, /* 0xc3 ~P^S */ |
| { OP(PAT,DST,GXorReverse), OP(SRC,DST,GXand) }, /* 0xc4 S&(P|~D) */ |
| { OP(SRC,DST,GXxor), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXequiv) }, /* 0xc5 ~S^(P|(D^S)) */ |
| { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXxor) },/* 0xc6 S^(D&~P) */ |
| { OP(PAT,DST,GXor), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXequiv) }, /* 0xc7 ~P^(S&(D|P)) */ |
| { OP(PAT,DST,GXor), OP(SRC,DST,GXand) }, /* 0xc8 S&(D|P) */ |
| { OP(PAT,DST,GXor), OP(SRC,DST,GXequiv) }, /* 0xc9 ~S^(P|D) */ |
| { OP(DST,SRC,GXxor), OP(PAT,SRC,GXand), |
| OP(SRC,DST,GXxor) }, /* 0xca D^(P&(S^D)) */ |
| { OP(SRC,DST,GXand), OP(PAT,DST,GXor), |
| OP(SRC,DST,GXequiv) }, /* 0xcb ~S^(P|(D&S)) */ |
| { OP(SRC,DST,GXcopy) }, /* 0xcc S */ |
| { OP(PAT,DST,GXnor), OP(SRC,DST,GXor) }, /* 0xcd S|~(D|P) */ |
| { OP(PAT,DST,GXandInverted), OP(SRC,DST,GXor) }, /* 0xce S|(D&~P) */ |
| { OP(PAT,SRC,GXorInverted) }, /* 0xcf S|~P */ |
| { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXand) }, /* 0xd0 P&(S|~D) */ |
| { OP(PAT,DST,GXxor), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXequiv) }, /* 0xd1 ~P^(S|(D^P)) */ |
| { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXxor) },/* 0xd2 P^(D&~S) */ |
| { OP(SRC,DST,GXor), OP(PAT,DST,GXand), |
| OP(SRC,DST,GXequiv) }, /* 0xd3 ~S^(P&(D|S)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor), |
| OP(PAT,DST,GXxor), OP(SRC,DST,GXand), |
| OP(TMP,DST,GXxor) }, /* 0xd4 S^((S^P)&(D^P))*/ |
| { OP(PAT,SRC,GXnand), OP(SRC,DST,GXnand) }, /* 0xd5 ~(D&~(P&S)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand), |
| OP(SRC,DST,GXor), OP(PAT,DST,GXxor), |
| OP(TMP,DST,GXxor) }, /* 0xd6 S^P^(D|(P&S)) */ |
| { OP(PAT,SRC,GXxor), OP(SRC,DST,GXnand) }, /* 0xd7 ~(D&(P^S)) */ |
| { OP(PAT,SRC,GXxor), OP(SRC,DST,GXand), |
| OP(PAT,DST,GXxor) }, /* 0xd8 P^(D&(S^P)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXand), |
| OP(SRC,DST,GXor), OP(TMP,DST,GXequiv) }, /* 0xd9 ~S^(D|(P&S)) */ |
| { OP(DST,SRC,GXnand), OP(PAT,SRC,GXand), |
| OP(SRC,DST,GXxor) }, /* 0xda D^(P&~(S&D)) */ |
| { OP(SRC,DST,GXxor), OP(PAT,SRC,GXxor), |
| OP(SRC,DST,GXnand) }, /* 0xdb ~((S^P)&(S^D)) */ |
| { OP(PAT,DST,GXandReverse), OP(SRC,DST,GXor) }, /* 0xdc S|(P&~D) */ |
| { OP(SRC,DST,GXorReverse) }, /* 0xdd S|~D */ |
| { OP(PAT,DST,GXxor), OP(SRC,DST,GXor) }, /* 0xde S|(D^P) */ |
| { OP(PAT,DST,GXnand), OP(SRC,DST,GXor) }, /* 0xdf S|~(D&P) */ |
| { OP(SRC,DST,GXor), OP(PAT,DST,GXand) }, /* 0xe0 P&(D|S) */ |
| { OP(SRC,DST,GXor), OP(PAT,DST,GXequiv) }, /* 0xe1 ~P^(D|S) */ |
| { OP(DST,TMP,GXcopy), OP(PAT,DST,GXxor), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe2 D^(S&(P^D)) */ |
| { OP(PAT,DST,GXand), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXequiv) }, /* 0xe3 ~P^(S|(D&P)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXxor), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe4 S^(D&(P^S)) */ |
| { OP(PAT,SRC,GXand), OP(SRC,DST,GXor), |
| OP(PAT,DST,GXequiv) }, /* 0xe5 ~P^(D|(S&P)) */ |
| { OP(SRC,TMP,GXcopy), OP(PAT,SRC,GXnand), |
| OP(SRC,DST,GXand), OP(TMP,DST,GXxor) }, /* 0xe6 S^(D&~(P&S)) */ |
| { OP(PAT,SRC,GXxor), OP(PAT,DST,GXxor), |
| OP(SRC,DST,GXnand) }, /* 0xe7 ~((S^P)&(D^P)) */ |
| { OP(SRC,TMP,GXcopy), OP(SRC,DST,GXxor), |
| OP(PAT,SRC,GXxor), OP(SRC,DST,GXand), |
| OP(TMP,DST,GXxor) }, /* 0xe8 S^((S^P)&(S^D))*/ |
| { OP(DST,TMP,GXcopy), OP(SRC,DST,GXnand), |
| OP(PAT,DST,GXand), OP(SRC,DST,GXxor), |
| OP(TMP,DST,GXequiv) }, /* 0xe9 ~D^S^(P&~(S&D))*/ |
| { OP(PAT,SRC,GXand), OP(SRC,DST,GXor) }, /* 0xea D|(P&S) */ |
| { OP(PAT,SRC,GXequiv), OP(SRC,DST,GXor) }, /* 0xeb D|~(P^S) */ |
| { OP(PAT,DST,GXand), OP(SRC,DST,GXor) }, /* 0xec S|(D&P) */ |
| { OP(PAT,DST,GXequiv), OP(SRC,DST,GXor) }, /* 0xed S|~(D^P) */ |
| { OP(SRC,DST,GXor) }, /* 0xee S|D */ |
| { OP(PAT,DST,GXorInverted), OP(SRC,DST,GXor) }, /* 0xef S|D|~P */ |
| { OP(PAT,DST,GXcopy) }, /* 0xf0 P */ |
| { OP(SRC,DST,GXnor), OP(PAT,DST,GXor) }, /* 0xf1 P|~(D|S) */ |
| { OP(SRC,DST,GXandInverted), OP(PAT,DST,GXor) }, /* 0xf2 P|(D&~S) */ |
| { OP(PAT,SRC,GXorReverse) }, /* 0xf3 P|~S */ |
| { OP(SRC,DST,GXandReverse), OP(PAT,DST,GXor) }, /* 0xf4 P|(S&~D) */ |
| { OP(PAT,DST,GXorReverse) }, /* 0xf5 P|~D */ |
| { OP(SRC,DST,GXxor), OP(PAT,DST,GXor) }, /* 0xf6 P|(D^S) */ |
| { OP(SRC,DST,GXnand), OP(PAT,DST,GXor) }, /* 0xf7 P|~(S&D) */ |
| { OP(SRC,DST,GXand), OP(PAT,DST,GXor) }, /* 0xf8 P|(D&S) */ |
| { OP(SRC,DST,GXequiv), OP(PAT,DST,GXor) }, /* 0xf9 P|~(D^S) */ |
| { OP(PAT,DST,GXor) }, /* 0xfa D|P */ |
| { OP(PAT,SRC,GXorReverse), OP(SRC,DST,GXor) }, /* 0xfb D|P|~S */ |
| { OP(PAT,SRC,GXor) }, /* 0xfc P|S */ |
| { OP(SRC,DST,GXorReverse), OP(PAT,DST,GXor) }, /* 0xfd P|S|~D */ |
| { OP(SRC,DST,GXor), OP(PAT,DST,GXor) }, /* 0xfe P|D|S */ |
| { OP(PAT,DST,GXset) } /* 0xff 1 */ |
| }; |
| |
| |
| #ifdef BITBLT_TEST /* Opcodes test */ |
| |
| static int do_bitop( int s, int d, int rop ) |
| { |
| int res; |
| switch(rop) |
| { |
| case GXclear: res = 0; break; |
| case GXand: res = s & d; break; |
| case GXandReverse: res = s & ~d; break; |
| case GXcopy: res = s; break; |
| case GXandInverted: res = ~s & d; break; |
| case GXnoop: res = d; break; |
| case GXxor: res = s ^ d; break; |
| case GXor: res = s | d; break; |
| case GXnor: res = ~(s | d); break; |
| case GXequiv: res = ~s ^ d; break; |
| case GXinvert: res = ~d; break; |
| case GXorReverse: res = s | ~d; break; |
| case GXcopyInverted: res = ~s; break; |
| case GXorInverted: res = ~s | d; break; |
| case GXnand: res = ~(s & d); break; |
| case GXset: res = 1; break; |
| } |
| return res & 1; |
| } |
| |
| main() |
| { |
| int rop, i, res, src, dst, pat, tmp, dstUsed; |
| const BYTE *opcode; |
| |
| for (rop = 0; rop < 256; rop++) |
| { |
| res = dstUsed = 0; |
| for (i = 0; i < 8; i++) |
| { |
| pat = (i >> 2) & 1; |
| src = (i >> 1) & 1; |
| dst = i & 1; |
| for (opcode = BITBLT_Opcodes[rop]; *opcode; opcode++) |
| { |
| switch(*opcode >> 4) |
| { |
| case OP_ARGS(DST,TMP): |
| tmp = do_bitop( dst, tmp, *opcode & 0xf ); |
| break; |
| case OP_ARGS(DST,SRC): |
| src = do_bitop( dst, src, *opcode & 0xf ); |
| break; |
| case OP_ARGS(SRC,TMP): |
| tmp = do_bitop( src, tmp, *opcode & 0xf ); |
| break; |
| case OP_ARGS(SRC,DST): |
| dst = do_bitop( src, dst, *opcode & 0xf ); |
| dstUsed = 1; |
| break; |
| case OP_ARGS(PAT,TMP): |
| tmp = do_bitop( pat, tmp, *opcode & 0xf ); |
| break; |
| case OP_ARGS(PAT,DST): |
| dst = do_bitop( pat, dst, *opcode & 0xf ); |
| dstUsed = 1; |
| break; |
| case OP_ARGS(PAT,SRC): |
| src = do_bitop( pat, src, *opcode & 0xf ); |
| break; |
| case OP_ARGS(TMP,DST): |
| dst = do_bitop( tmp, dst, *opcode & 0xf ); |
| dstUsed = 1; |
| break; |
| case OP_ARGS(TMP,SRC): |
| src = do_bitop( tmp, src, *opcode & 0xf ); |
| break; |
| default: |
| printf( "Invalid opcode %x\n", *opcode ); |
| } |
| } |
| if (!dstUsed) dst = src; |
| if (dst) res |= 1 << i; |
| } |
| if (res != rop) printf( "%02x: ERROR, res=%02x\n", rop, res ); |
| } |
| } |
| |
| #endif /* BITBLT_TEST */ |
| |
| |
| /*********************************************************************** |
| * BITBLT_StretchRow |
| * |
| * Stretch a row of pixels. Helper function for BITBLT_StretchImage. |
| */ |
| static void BITBLT_StretchRow( int *rowSrc, int *rowDst, |
| short startDst, short widthDst, |
| int xinc, WORD mode ) |
| { |
| register int xsrc = xinc * startDst; |
| rowDst += startDst; |
| switch(mode) |
| { |
| case STRETCH_ANDSCANS: |
| for(; widthDst > 0; widthDst--, xsrc += xinc) |
| *rowDst++ &= rowSrc[xsrc >> 16]; |
| break; |
| case STRETCH_ORSCANS: |
| for(; widthDst > 0; widthDst--, xsrc += xinc) |
| *rowDst++ |= rowSrc[xsrc >> 16]; |
| break; |
| case STRETCH_DELETESCANS: |
| for(; widthDst > 0; widthDst--, xsrc += xinc) |
| *rowDst++ = rowSrc[xsrc >> 16]; |
| break; |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_ShrinkRow |
| * |
| * Shrink a row of pixels. Helper function for BITBLT_StretchImage. |
| */ |
| static void BITBLT_ShrinkRow( int *rowSrc, int *rowDst, |
| short startSrc, short widthSrc, |
| int xinc, WORD mode ) |
| { |
| register int xdst = xinc * startSrc; |
| rowSrc += startSrc; |
| switch(mode) |
| { |
| case STRETCH_ORSCANS: |
| for(; widthSrc > 0; widthSrc--, xdst += xinc) |
| rowDst[xdst >> 16] |= *rowSrc++; |
| break; |
| case STRETCH_ANDSCANS: |
| for(; widthSrc > 0; widthSrc--, xdst += xinc) |
| rowDst[xdst >> 16] &= *rowSrc++; |
| break; |
| case STRETCH_DELETESCANS: |
| for(; widthSrc > 0; widthSrc--, xdst += xinc) |
| rowDst[xdst >> 16] = *rowSrc++; |
| break; |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_GetRow |
| * |
| * Retrieve a row from an image. Helper function for BITBLT_StretchImage. |
| */ |
| static void BITBLT_GetRow( XImage *image, int *pdata, short row, |
| short start, short width, short depthDst, |
| int fg, int bg, BOOL swap) |
| { |
| register short i; |
| |
| pdata += swap ? start+width-1 : start; |
| if (image->depth == depthDst) /* color -> color */ |
| { |
| if (COLOR_PixelToPalette && (depthDst != 1)) |
| if (swap) for (i = 0; i < width; i++) |
| *pdata-- = COLOR_PixelToPalette[XGetPixel( image, i, row )]; |
| else for (i = 0; i < width; i++) |
| *pdata++ = COLOR_PixelToPalette[XGetPixel( image, i, row )]; |
| else |
| if (swap) for (i = 0; i < width; i++) |
| *pdata-- = XGetPixel( image, i, row ); |
| else for (i = 0; i < width; i++) |
| *pdata++ = XGetPixel( image, i, row ); |
| } |
| else |
| { |
| if (image->depth == 1) /* monochrome -> color */ |
| { |
| if (COLOR_PixelToPalette) |
| { |
| fg = COLOR_PixelToPalette[fg]; |
| bg = COLOR_PixelToPalette[bg]; |
| } |
| if (swap) for (i = 0; i < width; i++) |
| *pdata-- = XGetPixel( image, i, row ) ? bg : fg; |
| else for (i = 0; i < width; i++) |
| *pdata++ = XGetPixel( image, i, row ) ? bg : fg; |
| } |
| else /* color -> monochrome */ |
| { |
| if (swap) for (i = 0; i < width; i++) |
| *pdata-- = (XGetPixel( image, i, row ) == bg) ? 1 : 0; |
| else for (i = 0; i < width; i++) |
| *pdata++ = (XGetPixel( image, i, row ) == bg) ? 1 : 0; |
| } |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_StretchImage |
| * |
| * Stretch an X image. |
| */ |
| static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage, |
| short widthSrc, short heightSrc, |
| short widthDst, short heightDst, |
| RECT16 *visRectSrc, RECT16 *visRectDst, |
| int foreground, int background, WORD mode ) |
| { |
| int *rowSrc, *rowDst, *pixel; |
| int xinc, yinc, ysrc, ydst; |
| register short x, y; |
| BOOL hstretch, vstretch, hswap, vswap; |
| |
| hswap = ((int)widthSrc * widthDst) < 0; |
| vswap = ((int)heightSrc * heightDst) < 0; |
| widthSrc = abs(widthSrc); |
| heightSrc = abs(heightSrc); |
| widthDst = abs(widthDst); |
| heightDst = abs(heightDst); |
| |
| dprintf_bitblt( stddeb, "BITBLT_StretchImage: %dx%d -> %dx%d (mode=%d,h=%d,v=%d)\n", |
| widthSrc, heightSrc, widthDst, heightDst, mode, hswap, vswap ); |
| |
| if (!(rowSrc = (int *)malloc( (widthSrc+widthDst)*sizeof(int) ))) return; |
| rowDst = rowSrc + widthSrc; |
| |
| /* When stretching, all modes are the same, and DELETESCANS is faster */ |
| if ((widthSrc < widthDst) && (heightSrc < heightDst)) |
| mode = STRETCH_DELETESCANS; |
| |
| if (mode != STRETCH_DELETESCANS) |
| memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00, |
| widthDst*sizeof(int) ); |
| |
| hstretch = ((widthSrc < widthDst) || (mode == STRETCH_DELETESCANS)); |
| vstretch = ((heightSrc < heightDst) || (mode == STRETCH_DELETESCANS)); |
| xinc = hstretch ? ((int)widthSrc << 16) / widthDst : |
| ((int)widthDst << 16) / widthSrc; |
| |
| if (vstretch) |
| { |
| yinc = ((int)heightSrc << 16) / heightDst; |
| ydst = visRectDst->top; |
| ysrc = yinc * ydst + (vswap ? heightSrc<<16 : 0); |
| } |
| else |
| { |
| yinc = ((int)heightDst << 16) / heightSrc; |
| ysrc = visRectSrc->top; |
| ydst = yinc * ysrc - (vswap ? (heightDst-1)<<16 : 0); |
| } |
| |
| while(vstretch ? (ydst < visRectDst->bottom) : (ysrc < visRectSrc->bottom)) |
| { |
| /* Retrieve a source row */ |
| BITBLT_GetRow( srcImage, rowSrc, vstretch ? ysrc >> 16 : ysrc, |
| visRectSrc->left, visRectSrc->right - visRectSrc->left, |
| dstImage->depth, foreground, background, hswap ); |
| |
| /* Stretch or shrink it */ |
| if (hstretch) |
| BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left + |
| (hswap ? widthDst : 0), |
| visRectDst->right-visRectDst->left, xinc, mode); |
| else BITBLT_ShrinkRow( rowSrc, rowDst, visRectSrc->left, |
| visRectSrc->right-visRectSrc->left, xinc, mode); |
| |
| /* When shrinking, merge several source rows into the destination */ |
| if (!vstretch) |
| { |
| if (mode == STRETCH_DELETESCANS) |
| { |
| /* Simply skip the overlapping rows */ |
| while (((ydst + yinc) >> 16 == ydst >> 16) && |
| (ysrc < visRectSrc->bottom-1)) |
| { |
| ydst += yinc; |
| ysrc++; |
| } |
| } |
| else if (((ydst + yinc) >> 16 == ydst >> 16) && |
| (ysrc < visRectSrc->bottom-1)) |
| { |
| ydst += yinc; |
| ysrc++; |
| continue; /* Restart loop for next overlapping row */ |
| } |
| } |
| |
| /* Store the destination row */ |
| |
| pixel = rowDst + visRectDst->right - 1 + (hswap ? widthDst : 0); |
| if (vswap) |
| y = visRectDst->bottom - (vstretch ? ydst : ydst >> 16); |
| else |
| y = (vstretch ? ydst : ydst >> 16) - visRectDst->top; |
| for (x = visRectDst->right-visRectDst->left-1; x >= 0; x--) |
| XPutPixel( dstImage, x, y, *pixel-- ); |
| if (mode != STRETCH_DELETESCANS) |
| memset( rowDst, (mode == STRETCH_ANDSCANS) ? 0xff : 0x00, |
| widthDst*sizeof(int) ); |
| |
| /* If stretching, make copies of the destination row */ |
| |
| if (vstretch) |
| { |
| char *pdata = dstImage->data + dstImage->bytes_per_line * y; |
| while (((ysrc + yinc) >> 16 == ysrc >> 16) && |
| (ydst < visRectDst->bottom-1)) |
| { |
| if (vswap) |
| { |
| memcpy( pdata - dstImage->bytes_per_line, pdata, |
| dstImage->bytes_per_line ); |
| pdata -= dstImage->bytes_per_line; |
| } |
| else |
| { |
| memcpy( pdata + dstImage->bytes_per_line, pdata, |
| dstImage->bytes_per_line ); |
| pdata += dstImage->bytes_per_line; |
| } |
| ysrc += yinc; |
| ydst++; |
| } |
| ysrc += yinc; |
| ydst++; |
| } |
| else |
| { |
| ydst += yinc; |
| ysrc++; |
| } |
| } |
| |
| free( rowSrc ); |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_GetSrcAreaStretch |
| * |
| * Retrieve an area from the source DC, stretching and mapping all the |
| * pixels to Windows colors. |
| */ |
| static void BITBLT_GetSrcAreaStretch( DC *dcSrc, DC *dcDst, |
| Pixmap pixmap, GC gc, |
| short xSrc, short ySrc, |
| short widthSrc, short heightSrc, |
| short xDst, short yDst, |
| short widthDst, short heightDst, |
| RECT16 *visRectSrc, RECT16 *visRectDst ) |
| { |
| XImage *imageSrc, *imageDst; |
| |
| RECT16 rectSrc = *visRectSrc; |
| RECT16 rectDst = *visRectDst; |
| OffsetRect16( &rectSrc, -xSrc, -ySrc ); |
| OffsetRect16( &rectDst, -xDst, -yDst ); |
| imageSrc = XGetImage( display, dcSrc->u.x.drawable, |
| visRectSrc->left, visRectSrc->top, |
| visRectSrc->right - visRectSrc->left, |
| visRectSrc->bottom - visRectSrc->top, |
| AllPlanes, ZPixmap ); |
| XCREATEIMAGE( imageDst, rectDst.right - rectDst.left, |
| rectDst.bottom - rectDst.top, dcDst->w.bitsPerPixel ); |
| BITBLT_StretchImage( imageSrc, imageDst, widthSrc, heightSrc, |
| widthDst, heightDst, &rectSrc, &rectDst, |
| dcDst->w.textPixel, dcDst->w.bitsPerPixel != 1 ? |
| dcDst->w.backgroundPixel : dcSrc->w.backgroundPixel, |
| dcDst->w.stretchBltMode ); |
| XPutImage( display, pixmap, gc, imageDst, 0, 0, 0, 0, |
| rectDst.right - rectDst.left, rectDst.bottom - rectDst.top ); |
| XDestroyImage( imageSrc ); |
| XDestroyImage( imageDst ); |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_GetSrcArea |
| * |
| * Retrieve an area from the source DC, mapping all the |
| * pixels to Windows colors. |
| */ |
| static void BITBLT_GetSrcArea( DC *dcSrc, DC *dcDst, Pixmap pixmap, GC gc, |
| short xSrc, short ySrc, |
| RECT16 *visRectSrc ) |
| { |
| XImage *imageSrc, *imageDst; |
| register short x, y; |
| short width = visRectSrc->right - visRectSrc->left; |
| short height = visRectSrc->bottom - visRectSrc->top; |
| |
| if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel) |
| { |
| if (!COLOR_PixelToPalette || |
| (dcDst->w.bitsPerPixel == 1)) /* monochrome -> monochrome */ |
| { |
| XCopyArea( display, dcSrc->u.x.drawable, pixmap, gc, |
| visRectSrc->left, visRectSrc->top, width, height, 0, 0); |
| } |
| else /* color -> color */ |
| { |
| imageSrc = XGetImage( display, dcSrc->u.x.drawable, |
| visRectSrc->left, visRectSrc->top, |
| width, height, AllPlanes, ZPixmap ); |
| for (y = 0; y < height; y++) |
| for (x = 0; x < width; x++) |
| XPutPixel(imageSrc, x, y, |
| COLOR_PixelToPalette[XGetPixel(imageSrc, x, y)]); |
| XPutImage( display, pixmap, gc, imageSrc, |
| 0, 0, 0, 0, width, height ); |
| XDestroyImage( imageSrc ); |
| } |
| } |
| else |
| { |
| if (dcSrc->w.bitsPerPixel == 1) /* monochrome -> color */ |
| { |
| if (COLOR_PixelToPalette) |
| { |
| XSetBackground( display, gc, |
| COLOR_PixelToPalette[dcDst->w.textPixel] ); |
| XSetForeground( display, gc, |
| COLOR_PixelToPalette[dcDst->w.backgroundPixel]); |
| } |
| else |
| { |
| XSetBackground( display, gc, dcDst->w.textPixel ); |
| XSetForeground( display, gc, dcDst->w.backgroundPixel ); |
| } |
| XCopyPlane( display, dcSrc->u.x.drawable, pixmap, gc, |
| visRectSrc->left, visRectSrc->top, |
| width, height, 0, 0, 1 ); |
| } |
| else /* color -> monochrome */ |
| { |
| imageSrc = XGetImage( display, dcSrc->u.x.drawable, |
| visRectSrc->left, visRectSrc->top, |
| width, height, AllPlanes, ZPixmap ); |
| XCREATEIMAGE( imageDst, width, height, dcDst->w.bitsPerPixel ); |
| for (y = 0; y < height; y++) |
| for (x = 0; x < width; x++) |
| XPutPixel(imageDst, x, y, (XGetPixel(imageSrc,x,y) == |
| dcSrc->w.backgroundPixel) ); |
| XPutImage( display, pixmap, gc, imageDst, |
| 0, 0, 0, 0, width, height ); |
| XDestroyImage( imageSrc ); |
| XDestroyImage( imageDst ); |
| } |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_GetDstArea |
| * |
| * Retrieve an area from the destination DC, mapping all the |
| * pixels to Windows colors. |
| */ |
| static void BITBLT_GetDstArea(DC *dc, Pixmap pixmap, GC gc, RECT16 *visRectDst) |
| { |
| short width = visRectDst->right - visRectDst->left; |
| short height = visRectDst->bottom - visRectDst->top; |
| |
| if (!COLOR_PixelToPalette || (dc->w.bitsPerPixel == 1) || |
| (COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) ) |
| { |
| XCopyArea( display, dc->u.x.drawable, pixmap, gc, |
| visRectDst->left, visRectDst->top, width, height, 0, 0 ); |
| } |
| else |
| { |
| register short x, y; |
| XImage *image = XGetImage( display, dc->u.x.drawable, |
| visRectDst->left, visRectDst->top, |
| width, height, AllPlanes, ZPixmap ); |
| for (y = 0; y < height; y++) |
| for (x = 0; x < width; x++) |
| XPutPixel( image, x, y, |
| COLOR_PixelToPalette[XGetPixel( image, x, y )]); |
| XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, width, height ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_PutDstArea |
| * |
| * Put an area back into the destination DC, mapping the pixel |
| * colors to X pixels. |
| */ |
| static void BITBLT_PutDstArea(DC *dc, Pixmap pixmap, GC gc, RECT16 *visRectDst) |
| { |
| short width = visRectDst->right - visRectDst->left; |
| short height = visRectDst->bottom - visRectDst->top; |
| |
| /* !COLOR_PaletteToPixel is _NOT_ enough */ |
| |
| if (!COLOR_PaletteToPixel || (dc->w.bitsPerPixel == 1) || |
| (COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) ) |
| { |
| XCopyArea( display, pixmap, dc->u.x.drawable, gc, 0, 0, |
| width, height, visRectDst->left, visRectDst->top ); |
| } |
| else |
| { |
| register short x, y; |
| XImage *image = XGetImage( display, pixmap, 0, 0, width, height, |
| AllPlanes, ZPixmap ); |
| for (y = 0; y < height; y++) |
| for (x = 0; x < width; x++) |
| { |
| XPutPixel( image, x, y, |
| COLOR_PaletteToPixel[XGetPixel( image, x, y )]); |
| } |
| XPutImage( display, dc->u.x.drawable, gc, image, 0, 0, |
| visRectDst->left, visRectDst->top, width, height ); |
| XDestroyImage( image ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_GetVisRectangles |
| * |
| * Get the source and destination visible rectangles for StretchBlt(). |
| * Return FALSE if one of the rectangles is empty. |
| */ |
| static BOOL BITBLT_GetVisRectangles( DC *dcDst, short xDst, short yDst, |
| short widthDst, short heightDst, |
| DC *dcSrc, short xSrc, short ySrc, |
| short widthSrc, short heightSrc, |
| RECT16 *visRectSrc, RECT16 *visRectDst ) |
| { |
| RECT16 tmpRect, clipRect; |
| |
| if (widthSrc < 0) { widthSrc = -widthSrc; xSrc -= widthSrc; } |
| if (widthDst < 0) { widthDst = -widthDst; xDst -= widthDst; } |
| if (heightSrc < 0) { heightSrc = -heightSrc; ySrc -= heightSrc; } |
| if (heightDst < 0) { heightDst = -heightDst; yDst -= heightDst; } |
| |
| /* Get the destination visible rectangle */ |
| |
| SetRect16( &tmpRect, xDst, yDst, xDst + widthDst, yDst + heightDst ); |
| GetRgnBox16( dcDst->w.hGCClipRgn, &clipRect ); |
| OffsetRect16( &clipRect, dcDst->w.DCOrgX, dcDst->w.DCOrgY ); |
| if (!IntersectRect16( visRectDst, &tmpRect, &clipRect )) return FALSE; |
| |
| /* Get the source visible rectangle */ |
| |
| if (!dcSrc) return TRUE; |
| SetRect16( &tmpRect, xSrc, ySrc, xSrc + widthSrc, ySrc + heightSrc ); |
| /* Apparently the clip region is only for output, so use hVisRgn here */ |
| GetRgnBox16( dcSrc->w.hVisRgn, &clipRect ); |
| OffsetRect16( &clipRect, dcSrc->w.DCOrgX, dcSrc->w.DCOrgY ); |
| if (!IntersectRect16( visRectSrc, &tmpRect, &clipRect )) return FALSE; |
| |
| /* Intersect the rectangles */ |
| |
| if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */ |
| { |
| OffsetRect16( visRectSrc, xDst - xSrc, yDst - ySrc ); |
| if (!IntersectRect16( &tmpRect, visRectSrc, visRectDst )) return FALSE; |
| *visRectSrc = *visRectDst = tmpRect; |
| OffsetRect16( visRectSrc, xSrc - xDst, ySrc - yDst ); |
| } |
| else /* stretching */ |
| { |
| visRectSrc->left = xDst + (visRectSrc->left-xSrc)*widthDst/widthSrc; |
| visRectSrc->top = yDst + (visRectSrc->top-ySrc)*heightDst/heightSrc; |
| visRectSrc->right = xDst + |
| ((visRectSrc->right-xSrc) * widthDst) / widthSrc; |
| visRectSrc->bottom = yDst + |
| ((visRectSrc->bottom-ySrc) * heightDst) / heightSrc; |
| if (!IntersectRect16( &tmpRect, visRectSrc, visRectDst )) return FALSE; |
| *visRectSrc = *visRectDst = tmpRect; |
| visRectSrc->left = xSrc + (visRectSrc->left-xDst)*widthSrc/widthDst; |
| visRectSrc->top = ySrc + (visRectSrc->top-yDst)*heightSrc/heightDst; |
| visRectSrc->right = xSrc + |
| ((visRectSrc->right-xDst) * widthSrc) / widthDst; |
| visRectSrc->bottom = ySrc + |
| ((visRectSrc->bottom-yDst) * heightSrc) / heightDst; |
| if (IsRectEmpty16( visRectSrc )) return FALSE; |
| } |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_InternalStretchBlt |
| * |
| * Implementation of PatBlt(), BitBlt() and StretchBlt(). |
| */ |
| BOOL BITBLT_InternalStretchBlt( DC *dcDst, short xDst, short yDst, |
| short widthDst, short heightDst, |
| DC *dcSrc, short xSrc, short ySrc, |
| short widthSrc, short heightSrc, DWORD rop ) |
| { |
| BOOL usePat, useSrc, useDst, destUsed, fStretch, fNullBrush; |
| RECT16 visRectDst, visRectSrc; |
| short width, height; |
| const BYTE *opcode; |
| Pixmap pixmaps[3] = { 0, 0, 0 }; /* pixmaps for DST, SRC, TMP */ |
| GC tmpGC = 0; |
| |
| usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000)); |
| useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000)); |
| useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000)); |
| if (!dcSrc && useSrc) return FALSE; |
| |
| if (dcDst->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dcDst ); |
| if (dcSrc && (dcSrc->w.flags & DC_DIRTY)) CLIPPING_UpdateGCRegion( dcSrc ); |
| |
| /* Map the coordinates to device coords */ |
| |
| xDst = dcDst->w.DCOrgX + XLPTODP( dcDst, xDst ); |
| yDst = dcDst->w.DCOrgY + YLPTODP( dcDst, yDst ); |
| widthDst = widthDst * dcDst->w.VportExtX / dcDst->w.WndExtX; |
| heightDst = heightDst * dcDst->w.VportExtY / dcDst->w.WndExtY; |
| |
| dprintf_bitblt( stddeb, " vportdst=%d,%d-%d,%d wnddst=%d,%d-%d,%d\n", |
| dcDst->w.VportOrgX, dcDst->w.VportOrgY, |
| dcDst->w.VportExtX, dcDst->w.VportExtY, |
| dcDst->w.WndOrgX, dcDst->w.WndOrgY, |
| dcDst->w.WndExtX, dcDst->w.WndExtY ); |
| dprintf_bitblt( stddeb, " rectdst=%d,%d-%d,%d orgdst=%d,%d\n", |
| xDst, yDst, widthDst, heightDst, |
| dcDst->w.DCOrgX, dcDst->w.DCOrgY ); |
| |
| if (useSrc) |
| { |
| xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc ); |
| ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc ); |
| widthSrc = widthSrc * dcSrc->w.VportExtX / dcSrc->w.WndExtX; |
| heightSrc = heightSrc * dcSrc->w.VportExtY / dcSrc->w.WndExtY; |
| fStretch = (widthSrc != widthDst) || (heightSrc != heightDst); |
| dprintf_bitblt( stddeb," vportsrc=%d,%d-%d,%d wndsrc=%d,%d-%d,%d\n", |
| dcSrc->w.VportOrgX, dcSrc->w.VportOrgY, |
| dcSrc->w.VportExtX, dcSrc->w.VportExtY, |
| dcSrc->w.WndOrgX, dcSrc->w.WndOrgY, |
| dcSrc->w.WndExtX, dcSrc->w.WndExtY ); |
| dprintf_bitblt( stddeb, " rectsrc=%d,%d-%d,%d orgsrc=%d,%d\n", |
| xSrc, ySrc, widthSrc, heightSrc, |
| dcSrc->w.DCOrgX, dcSrc->w.DCOrgY ); |
| if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst, |
| dcSrc, xSrc, ySrc, widthSrc, heightSrc, |
| &visRectSrc, &visRectDst )) |
| return TRUE; |
| dprintf_bitblt( stddeb, " vissrc=%d,%d-%d,%d visdst=%d,%d-%d,%d\n", |
| visRectSrc.left, visRectSrc.top, |
| visRectSrc.right, visRectSrc.bottom, |
| visRectDst.left, visRectDst.top, |
| visRectDst.right, visRectDst.bottom ); |
| } |
| else |
| { |
| fStretch = FALSE; |
| if (!BITBLT_GetVisRectangles( dcDst, xDst, yDst, widthDst, heightDst, |
| NULL, 0, 0, 0, 0, NULL, &visRectDst )) |
| return TRUE; |
| dprintf_bitblt( stddeb, " vissrc=none visdst=%d,%d-%d,%d\n", |
| visRectDst.left, visRectDst.top, |
| visRectDst.right, visRectDst.bottom ); |
| } |
| |
| width = visRectDst.right - visRectDst.left; |
| height = visRectDst.bottom - visRectDst.top; |
| |
| if (!fStretch) switch(rop) /* A few optimisations */ |
| { |
| case BLACKNESS: /* 0x00 */ |
| if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel) |
| XSetFunction( display, dcDst->u.x.gc, GXclear ); |
| else |
| { |
| XSetFunction( display, dcDst->u.x.gc, GXcopy ); |
| XSetForeground( display, dcDst->u.x.gc, COLOR_PaletteToPixel[0] ); |
| XSetFillStyle( display, dcDst->u.x.gc, FillSolid ); |
| } |
| XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc, |
| visRectDst.left, visRectDst.top, width, height ); |
| return TRUE; |
| |
| case DSTINVERT: /* 0x55 */ |
| if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel || |
| !Options.perfectGraphics) |
| { |
| XSetFunction( display, dcDst->u.x.gc, GXinvert ); |
| |
| if( COLOR_GetSystemPaletteFlags() & (COLOR_PRIVATE | COLOR_VIRTUAL) ) |
| XSetFunction( display, dcDst->u.x.gc, GXinvert); |
| else |
| { |
| /* Xor is much better when we do not have full colormap. */ |
| /* Using white^black ensures that we invert at least black */ |
| /* and white. */ |
| Pixel xor_pix = (WhitePixelOfScreen(screen) ^ |
| BlackPixelOfScreen(screen)); |
| XSetFunction( display, dcDst->u.x.gc, GXxor ); |
| XSetForeground( display, dcDst->u.x.gc, xor_pix); |
| XSetFillStyle( display, dcDst->u.x.gc, FillSolid ); |
| } |
| XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc, |
| visRectDst.left, visRectDst.top, width, height ); |
| return TRUE; |
| } |
| break; |
| |
| case PATINVERT: /* 0x5a */ |
| if (Options.perfectGraphics) break; |
| if (!DC_SetupGCForBrush( dcDst )) return TRUE; |
| XSetFunction( display, dcDst->u.x.gc, GXxor ); |
| XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc, |
| visRectDst.left, visRectDst.top, width, height ); |
| return TRUE; |
| |
| case SRCCOPY: /* 0xcc */ |
| if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel) |
| { |
| XSetGraphicsExposures( display, dcDst->u.x.gc, True ); |
| XSetFunction( display, dcDst->u.x.gc, GXcopy ); |
| XCopyArea( display, dcSrc->u.x.drawable, |
| dcDst->u.x.drawable, dcDst->u.x.gc, |
| visRectSrc.left, visRectSrc.top, |
| width, height, visRectDst.left, visRectDst.top ); |
| XSetGraphicsExposures( display, dcDst->u.x.gc, False ); |
| return TRUE; |
| } |
| if (dcSrc->w.bitsPerPixel == 1) |
| { |
| XSetBackground( display, dcDst->u.x.gc, dcDst->w.textPixel ); |
| XSetForeground( display, dcDst->u.x.gc, dcDst->w.backgroundPixel ); |
| XSetFunction( display, dcDst->u.x.gc, GXcopy ); |
| XSetGraphicsExposures( display, dcDst->u.x.gc, True ); |
| XCopyPlane( display, dcSrc->u.x.drawable, |
| dcDst->u.x.drawable, dcDst->u.x.gc, |
| visRectSrc.left, visRectSrc.top, |
| width, height, visRectDst.left, visRectDst.top, 1 ); |
| XSetGraphicsExposures( display, dcDst->u.x.gc, False ); |
| return TRUE; |
| } |
| break; |
| |
| case PATCOPY: /* 0xf0 */ |
| if (!DC_SetupGCForBrush( dcDst )) return TRUE; |
| XSetFunction( display, dcDst->u.x.gc, GXcopy ); |
| XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc, |
| visRectDst.left, visRectDst.top, width, height ); |
| return TRUE; |
| |
| case WHITENESS: /* 0xff */ |
| if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel) |
| XSetFunction( display, dcDst->u.x.gc, GXset ); |
| else |
| { |
| XSetFunction( display, dcDst->u.x.gc, GXcopy ); |
| XSetForeground( display, dcDst->u.x.gc, |
| COLOR_PaletteToPixel[COLOR_GetSystemPaletteSize() - 1]); |
| XSetFillStyle( display, dcDst->u.x.gc, FillSolid ); |
| } |
| XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc, |
| visRectDst.left, visRectDst.top, width, height ); |
| return TRUE; |
| } |
| |
| tmpGC = XCreateGC( display, dcDst->u.x.drawable, 0, NULL ); |
| pixmaps[DST] = XCreatePixmap( display, rootWindow, width, height, |
| dcDst->w.bitsPerPixel ); |
| if (useSrc) |
| { |
| pixmaps[SRC] = XCreatePixmap( display, rootWindow, width, height, |
| dcDst->w.bitsPerPixel ); |
| if (fStretch) |
| BITBLT_GetSrcAreaStretch( dcSrc, dcDst, pixmaps[SRC], tmpGC, |
| xSrc, ySrc, widthSrc, heightSrc, |
| xDst, yDst, widthDst, heightDst, |
| &visRectSrc, &visRectDst ); |
| else |
| BITBLT_GetSrcArea( dcSrc, dcDst, pixmaps[SRC], tmpGC, |
| xSrc, ySrc, &visRectSrc ); |
| } |
| if (useDst) BITBLT_GetDstArea( dcDst, pixmaps[DST], tmpGC, &visRectDst ); |
| if (usePat) fNullBrush = !DC_SetupGCForPatBlt( dcDst, tmpGC, TRUE ); |
| else fNullBrush = FALSE; |
| destUsed = FALSE; |
| |
| for (opcode = BITBLT_Opcodes[(rop >> 16) & 0xff]; *opcode; opcode++) |
| { |
| if (OP_DST(*opcode) == DST) destUsed = TRUE; |
| XSetFunction( display, tmpGC, OP_ROP(*opcode) ); |
| switch(OP_SRCDST(*opcode)) |
| { |
| case OP_ARGS(DST,TMP): |
| case OP_ARGS(SRC,TMP): |
| if (!pixmaps[TMP]) |
| pixmaps[TMP] = XCreatePixmap( display, rootWindow, |
| width, height, |
| dcDst->w.bitsPerPixel ); |
| /* fall through */ |
| case OP_ARGS(DST,SRC): |
| case OP_ARGS(SRC,DST): |
| case OP_ARGS(TMP,SRC): |
| case OP_ARGS(TMP,DST): |
| XCopyArea( display, pixmaps[OP_SRC(*opcode)], |
| pixmaps[OP_DST(*opcode)], tmpGC, |
| 0, 0, width, height, 0, 0 ); |
| break; |
| |
| case OP_ARGS(PAT,TMP): |
| if (!pixmaps[TMP] && !fNullBrush) |
| pixmaps[TMP] = XCreatePixmap( display, rootWindow, |
| width, height, |
| dcDst->w.bitsPerPixel ); |
| /* fall through */ |
| case OP_ARGS(PAT,DST): |
| case OP_ARGS(PAT,SRC): |
| if (!fNullBrush) |
| XFillRectangle( display, pixmaps[OP_DST(*opcode)], |
| tmpGC, 0, 0, width, height ); |
| break; |
| } |
| } |
| XSetFunction( display, dcDst->u.x.gc, GXcopy ); |
| BITBLT_PutDstArea( dcDst, pixmaps[destUsed ? DST : SRC], |
| dcDst->u.x.gc, &visRectDst ); |
| XFreePixmap( display, pixmaps[DST] ); |
| if (pixmaps[SRC]) XFreePixmap( display, pixmaps[SRC] ); |
| if (pixmaps[TMP]) XFreePixmap( display, pixmaps[TMP] ); |
| XFreeGC( display, tmpGC ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * PatBlt (GDI.29) |
| */ |
| BOOL PatBlt( HDC hdc, short left, short top, |
| short width, short height, DWORD rop) |
| { |
| DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); |
| if (!dc) |
| { |
| dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); |
| if (!dc) return FALSE; |
| MF_MetaParam6(dc, META_PATBLT, left, top, width, height, |
| HIWORD(rop), LOWORD(rop)); |
| return TRUE; |
| } |
| |
| dprintf_bitblt(stddeb, "PatBlt: %04x %d,%d %dx%d %06lx\n", |
| hdc, left, top, width, height, rop ); |
| |
| return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11, |
| dc, left, top, width, height, |
| NULL, 0, 0, 0, 0, rop ); |
| } |
| |
| |
| /*********************************************************************** |
| * BitBlt (GDI.34) |
| */ |
| BOOL BitBlt( HDC hdcDst, INT xDst, INT yDst, INT width, INT height, |
| HDC hdcSrc, INT xSrc, INT ySrc, DWORD rop ) |
| { |
| DC *dcDst, *dcSrc; |
| |
| if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, DC_MAGIC ))) |
| { |
| dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC ); |
| if (!dcDst) return FALSE; |
| return MF_BitBlt( dcDst, xDst, yDst, width, height, |
| hdcSrc, xSrc, ySrc, rop ); |
| } |
| dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC ); |
| |
| dprintf_bitblt(stddeb, |
| "BitBlt: hdcSrc=%04x %d,%d %d bpp -> hdcDest=%04x %d,%d %dx%dx%d rop=%06lx\n", |
| hdcSrc, xSrc, ySrc, dcSrc ? dcSrc->w.bitsPerPixel : 0, |
| hdcDst, xDst, yDst, width, height, dcDst->w.bitsPerPixel, rop); |
| |
| return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11, |
| dcDst, xDst, yDst, width, height, |
| dcSrc, xSrc, ySrc, width, height, rop ); |
| } |
| |
| |
| /*********************************************************************** |
| * StretchBlt (GDI.35) |
| */ |
| BOOL StretchBlt( HDC hdcDst, short xDst, short yDst, |
| short widthDst, short heightDst, |
| HDC hdcSrc, short xSrc, short ySrc, |
| short widthSrc, short heightSrc, DWORD rop ) |
| { |
| DC *dcDst, *dcSrc; |
| |
| if (!(dcDst = (DC *) GDI_GetObjPtr( hdcDst, DC_MAGIC ))) |
| { |
| if (!(dcDst = (DC *)GDI_GetObjPtr( hdcDst, METAFILE_DC_MAGIC ))) |
| return FALSE; |
| return MF_StretchBlt( dcDst, xDst, yDst, widthDst, heightDst, |
| hdcSrc, xSrc, ySrc, widthSrc, heightSrc, rop ); |
| } |
| |
| dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC ); |
| dprintf_bitblt(stddeb, |
| "StretchBlt: %04x %d,%d %dx%dx%d -> %04x %d,%d %dx%dx%d rop=%06lx\n", |
| hdcSrc, xSrc, ySrc, widthSrc, heightSrc, |
| dcSrc ? dcSrc->w.bitsPerPixel : 0, hdcDst, xDst, yDst, |
| widthDst, heightDst, dcDst->w.bitsPerPixel, rop ); |
| |
| return CallTo32_LargeStack( (int(*)())BITBLT_InternalStretchBlt, 11, |
| dcDst, xDst, yDst, widthDst, heightDst, |
| dcSrc, xSrc, ySrc, widthSrc, heightSrc, rop ); |
| } |
| /*********************************************************************** |
| * FastWindowFrame (GDI.400) |
| */ |
| WORD |
| FastWindowFrame(WORD x1,DWORD x2,WORD x3,WORD x4,DWORD x5) { |
| dprintf_gdi(stdnimp,"FastWindowFrame (%04x, %08lx, %04x, %04x, %08lx) // unimplemented!\n",x1,x2,x3,x4,x5); |
| return 0xFFFF; /* failed? */ |
| } |
