| /* |
| * GDI bit-blit operations |
| * |
| * Copyright 1993, 1994 Alexandre Julliard |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <X11/Xlib.h> |
| #include <X11/Intrinsic.h> |
| #include "windows.h" |
| #include "dc.h" |
| #include "gdi.h" |
| #include "color.h" |
| #include "metafile.h" |
| #include "bitmap.h" |
| #include "options.h" |
| #include "stddebug.h" |
| /* #define DEBUG_GDI */ |
| #include "debug.h" |
| |
| |
| #define TMP 0 /* Temporary drawable */ |
| #define DST 1 /* Destination drawable */ |
| #define SRC 2 /* Source drawable */ |
| #define PAT 3 /* Pattern (brush) in destination DC */ |
| |
| /* Build the ROP arguments */ |
| #define OP_ARGS(src,dst) (((src) << 2) | (dst)) |
| |
| /* Build the ROP code */ |
| #define OP(src,dst,rop) (OP_ARGS(src,dst) << 4 | (rop)) |
| |
| #define MAX_OP_LEN 6 |
| |
| 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_GetImage |
| */ |
| static XImage *BITBLT_GetImage( HDC hdc, int x, int y, int width, int height ) |
| { |
| XImage *image; |
| RECT rect, tmpRect, clipRect; |
| DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); |
| |
| GetClipBox( hdc, &clipRect ); |
| OffsetRect( &clipRect, dc->w.DCOrgX, dc->w.DCOrgY ); |
| SetRect( &tmpRect, x, y, x+width, y+height ); |
| IntersectRect( &rect, &tmpRect, &clipRect ); |
| if (EqualRect(&rect,&tmpRect)) |
| { |
| image = XGetImage( display, dc->u.x.drawable, x, y, width, height, |
| AllPlanes, ZPixmap ); |
| } |
| else /* Get only the visible sub-image */ |
| { |
| XCREATEIMAGE( image, width, height, dc->w.bitsPerPixel ); |
| if (image && !IsRectEmpty(&rect)) |
| { |
| XGetSubImage( display, dc->u.x.drawable, rect.left, rect.top, |
| rect.right-rect.left, rect.bottom-rect.top, |
| AllPlanes, ZPixmap, image, rect.left-x, rect.top-y ); |
| } |
| } |
| return image; |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_GetArea |
| * |
| * Retrieve an area of the source DC. If necessary, the area is |
| * mapped to colormap-independent colors. |
| */ |
| static void BITBLT_GetArea( HDC hdcSrc, HDC hdcDst, Pixmap pixmap, GC gc, |
| int x, int y, int width, int height ) |
| { |
| XImage *srcImage, *dstImage; |
| DC * dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC ); |
| DC * dcDst = (DC *) GDI_GetObjPtr( hdcDst, DC_MAGIC ); |
| |
| if ((dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel) && |
| (!COLOR_PixelToPalette || (dcDst->w.bitsPerPixel == 1))) |
| { |
| XCopyArea( display, dcSrc->u.x.drawable, pixmap, gc, |
| x, y, width, height, 0, 0 ); |
| return; |
| } |
| if ((dcSrc->w.bitsPerPixel == 1) && (dcDst->w.bitsPerPixel != 1)) |
| { |
| XSetBackground( display, gc, COLOR_PixelToPalette ? |
| COLOR_PixelToPalette[dcDst->w.textPixel] : |
| dcDst->w.textPixel ); |
| XSetForeground( display, gc, COLOR_PixelToPalette ? |
| COLOR_PixelToPalette[dcDst->w.backgroundPixel] : |
| dcDst->w.backgroundPixel ); |
| XCopyPlane( display, dcSrc->u.x.drawable, pixmap, gc, |
| x, y, width, height, 0, 0, 1); |
| return; |
| } |
| |
| srcImage = BITBLT_GetImage( hdcSrc, x, y, width, height ); |
| if (dcSrc->w.bitsPerPixel != dcDst->w.bitsPerPixel) |
| { |
| XCREATEIMAGE( dstImage, width, height, dcDst->w.bitsPerPixel ); |
| for (y = 0; y < height; y++) |
| for (x = 0; x < width; x++) |
| { |
| XPutPixel( dstImage, x, y, (XGetPixel( srcImage, x, y ) == |
| dcSrc->w.backgroundPixel) ); |
| } |
| XDestroyImage( srcImage ); |
| } |
| else |
| { |
| for (y = 0; y < height; y++) |
| for (x = 0; x < width; x++) |
| { |
| XPutPixel( srcImage, x, y, |
| COLOR_PixelToPalette[XGetPixel( srcImage, x, y)] ); |
| } |
| dstImage = srcImage; |
| } |
| XPutImage( display, pixmap, gc, dstImage, 0, 0, 0, 0, width, height ); |
| XDestroyImage( dstImage ); |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_PutArea |
| * |
| * Put an area back into an hdc, possibly applying a mapping |
| * to every pixel in the process. |
| */ |
| static void BITBLT_PutArea( HDC hdc, Pixmap pixmap, GC gc, |
| int x, int y, int width, int height ) |
| { |
| XImage *image; |
| int x1, y1; |
| DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); |
| |
| if (!COLOR_PaletteToPixel) |
| { |
| XCopyArea( display, pixmap, dc->u.x.drawable, gc, |
| 0, 0, width, height, x, y ); |
| } |
| else |
| { |
| image = XGetImage( display, pixmap, 0, 0, width, height, |
| AllPlanes, ZPixmap ); |
| for (y1 = 0; y1 < height; y1++) |
| for (x1 = 0; x1 < width; x1++) |
| { |
| XPutPixel( image, x1, y1, |
| COLOR_PaletteToPixel[XGetPixel( image, x1, y1)] ); |
| } |
| XPutImage( display, dc->u.x.drawable, gc, image, |
| 0, 0, x, y, width, height ); |
| XDestroyImage( image ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * BITBLT_SelectBrush |
| * |
| * Select the brush into a GC. |
| */ |
| static BOOL BITBLT_SelectBrush( DC * dc, GC gc ) |
| { |
| XGCValues val; |
| XImage *image; |
| Pixmap pixmap = 0; |
| int x, y, mask = 0; |
| |
| if (dc->u.x.brush.style == BS_NULL) return FALSE; |
| if (dc->u.x.brush.pixel == -1) |
| { |
| val.foreground = dc->w.backgroundPixel; |
| val.background = dc->w.textPixel; |
| } |
| else |
| { |
| val.foreground = dc->u.x.brush.pixel; |
| val.background = dc->w.backgroundPixel; |
| } |
| if (COLOR_PixelToPalette) |
| { |
| val.foreground = COLOR_PixelToPalette[val.foreground]; |
| val.background = COLOR_PixelToPalette[val.background]; |
| } |
| val.fill_style = dc->u.x.brush.fillStyle; |
| if ((val.fill_style==FillStippled) || (val.fill_style==FillOpaqueStippled)) |
| { |
| if (dc->w.backgroundMode==OPAQUE) val.fill_style = FillOpaqueStippled; |
| val.stipple = dc->u.x.brush.pixmap; |
| mask = GCStipple; |
| } |
| else if (val.fill_style == FillTiled) |
| { |
| if (COLOR_PixelToPalette) |
| { |
| pixmap = XCreatePixmap( display, rootWindow, 8, 8, screenDepth ); |
| image = XGetImage( display, dc->u.x.brush.pixmap, 0, 0, 8, 8, |
| AllPlanes, ZPixmap ); |
| for (y = 0; y < 8; y++) |
| for (x = 0; x < 8; x++) |
| XPutPixel( image, x, y, |
| COLOR_PixelToPalette[XGetPixel( image, x, y)] ); |
| XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, 8, 8 ); |
| XDestroyImage( image ); |
| val.tile = pixmap; |
| } |
| else val.tile = dc->u.x.brush.pixmap; |
| mask = GCTile; |
| } |
| val.ts_x_origin = dc->w.DCOrgX + dc->w.brushOrgX; |
| val.ts_y_origin = dc->w.DCOrgY + dc->w.brushOrgY; |
| XChangeGC( display, gc, |
| GCForeground | GCBackground | GCFillStyle | |
| GCTileStipXOrigin | GCTileStipYOrigin | mask, |
| &val ); |
| if (pixmap) XFreePixmap( display, pixmap ); |
| 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_gdi(stddeb, "PatBlt: %d %d,%d %dx%d %06lx\n", |
| hdc, left, top, width, height, rop ); |
| |
| /* Convert ROP3 code to ROP2 code */ |
| rop >>= 16; |
| if (!DC_SetupGCForBrush( dc )) rop &= 0x0f; |
| else rop = (rop & 0x03) | ((rop >> 4) & 0x0c); |
| |
| /* Special case for BLACKNESS and WHITENESS */ |
| if (!Options.usePrivateMap && ((rop == R2_BLACK-1) || (rop == R2_WHITE-1))) |
| { |
| XSetForeground( display, dc->u.x.gc, (rop == R2_BLACK-1) ? |
| BlackPixelOfScreen(screen) : WhitePixelOfScreen(screen)); |
| XSetFillStyle( display, dc->u.x.gc, FillSolid ); |
| rop = R2_COPYPEN; |
| } |
| |
| XSetFunction( display, dc->u.x.gc, DC_XROPfunction[rop] ); |
| |
| left = dc->w.DCOrgX + XLPTODP( dc, left ); |
| top = dc->w.DCOrgY + YLPTODP( dc, top ); |
| |
| /* Convert dimensions to device coords */ |
| if ((width = (width * dc->w.VportExtX) / dc->w.WndExtX) < 0) |
| { |
| width = -width; |
| left -= width; |
| } |
| if ((height = (height * dc->w.VportExtY) / dc->w.WndExtY) < 0) |
| { |
| height = -height; |
| top -= height; |
| } |
| |
| XFillRectangle( display, dc->u.x.drawable, dc->u.x.gc, |
| left, top, width, height ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * BitBlt (GDI.34) |
| */ |
| BOOL BitBlt( HDC hdcDst, short xDst, short yDst, short width, short height, |
| HDC hdcSrc, short xSrc, short ySrc, DWORD rop ) |
| { |
| DC *dcDst, *dcSrc; |
| BOOL usePat, useSrc, useDst, destUsed; |
| RECT dstRect, tmpRect, clipRect; |
| const BYTE *opcode; |
| Pixmap srcPixmap = 0, dstPixmap = 0, tmpPixmap = 0; |
| GC tmpGC = 0; |
| |
| usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000)); |
| useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000)); |
| useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000)); |
| |
| dprintf_gdi(stddeb, "BitBlt: %04x %d,%d %dx%d %04x %d,%d %06lx\n", |
| hdcDst, xDst, yDst, width, height, hdcSrc, xSrc, ySrc, rop); |
| |
| if (!useSrc) |
| return PatBlt( hdcDst, xDst, yDst, width, height, rop ); |
| |
| dcDst = (DC *) GDI_GetObjPtr( hdcDst, DC_MAGIC ); |
| if (!dcDst) |
| { |
| dcDst = (DC *)GDI_GetObjPtr(hdcDst, METAFILE_DC_MAGIC); |
| if (!dcDst) return FALSE; |
| MF_BitBlt(dcDst, xDst, yDst, width, height, |
| hdcSrc, xSrc, ySrc, rop); |
| return TRUE; |
| } |
| dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC ); |
| if (!dcSrc) return FALSE; |
| |
| if ((width * dcSrc->w.VportExtX / dcSrc->w.WndExtX != |
| width * dcDst->w.VportExtX / dcDst->w.WndExtX) || |
| (height * dcSrc->w.VportExtY / dcSrc->w.WndExtY != |
| height * dcDst->w.VportExtY / dcDst->w.WndExtY)) |
| return StretchBlt( hdcDst, xDst, yDst, width, height, |
| hdcSrc, xSrc, ySrc, width, height, rop ); |
| |
| xSrc = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc ); |
| ySrc = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc ); |
| xDst = dcDst->w.DCOrgX + XLPTODP( dcDst, xDst ); |
| yDst = dcDst->w.DCOrgY + YLPTODP( dcDst, yDst ); |
| width = width * dcDst->w.VportExtX / dcDst->w.WndExtX; |
| height = height * dcDst->w.VportExtY / dcDst->w.WndExtY; |
| |
| tmpRect.left = min( xDst, xDst + width ); |
| tmpRect.top = min( yDst, yDst + height ); |
| tmpRect.right = max( xDst, xDst + width ); |
| tmpRect.bottom = max( yDst, yDst + height ); |
| |
| GetClipBox( hdcDst, &clipRect ); |
| OffsetRect( &clipRect, dcDst->w.DCOrgX, dcDst->w.DCOrgY ); |
| if (!IntersectRect( &dstRect, &tmpRect, &clipRect )) return TRUE; |
| |
| xSrc += dstRect.left - xDst; |
| ySrc += dstRect.top - yDst; |
| xDst = dstRect.left; |
| yDst = dstRect.top; |
| width = dstRect.right - dstRect.left; |
| height = dstRect.bottom - dstRect.top; |
| |
| if (rop == SRCCOPY) /* Optimisation for SRCCOPY */ |
| { |
| DC_SetupGCForText( dcDst ); |
| if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel) |
| { |
| XCopyArea( display, dcSrc->u.x.drawable, dcDst->u.x.drawable, |
| dcDst->u.x.gc, xSrc, ySrc, width, height, xDst, yDst ); |
| return TRUE; |
| } |
| if (dcSrc->w.bitsPerPixel == 1) |
| { |
| XCopyPlane( display, dcSrc->u.x.drawable, |
| dcDst->u.x.drawable, dcDst->u.x.gc, |
| xSrc, ySrc, width, height, xDst, yDst, 1); |
| return TRUE; |
| } |
| } |
| |
| rop >>= 16; |
| |
| /* printf( "BitBlt: applying rop %lx\n", rop ); */ |
| tmpGC = XCreateGC( display, rootWindow, 0, NULL ); |
| srcPixmap = XCreatePixmap( display, rootWindow, width, height, |
| dcDst->w.bitsPerPixel ); |
| dstPixmap = XCreatePixmap( display, rootWindow, width, height, |
| dcDst->w.bitsPerPixel ); |
| if (useSrc) |
| BITBLT_GetArea( hdcSrc, hdcDst, srcPixmap, tmpGC, |
| xSrc, ySrc, width, height ); |
| if (useDst) |
| BITBLT_GetArea( hdcDst, hdcDst, dstPixmap, tmpGC, |
| xDst, yDst, width, height ); |
| if (usePat) |
| BITBLT_SelectBrush( dcDst, tmpGC ); |
| destUsed = FALSE; |
| |
| for (opcode = BITBLT_Opcodes[rop & 0xff]; *opcode; opcode++) |
| { |
| switch(*opcode >> 4) |
| { |
| case OP_ARGS(DST,TMP): |
| if (!tmpPixmap) tmpPixmap = XCreatePixmap( display, rootWindow, |
| width, height, |
| dcDst->w.bitsPerPixel ); |
| XSetFunction( display, tmpGC, *opcode & 0x0f ); |
| XCopyArea( display, dstPixmap, tmpPixmap, tmpGC, |
| 0, 0, width, height, 0, 0 ); |
| break; |
| |
| case OP_ARGS(DST,SRC): |
| XSetFunction( display, tmpGC, *opcode & 0x0f ); |
| XCopyArea( display, dstPixmap, srcPixmap, tmpGC, |
| 0, 0, width, height, 0, 0 ); |
| break; |
| |
| case OP_ARGS(SRC,TMP): |
| if (!tmpPixmap) tmpPixmap = XCreatePixmap( display, rootWindow, |
| width, height, |
| dcDst->w.bitsPerPixel ); |
| XSetFunction( display, tmpGC, *opcode & 0x0f ); |
| XCopyArea( display, srcPixmap, tmpPixmap, tmpGC, |
| 0, 0, width, height, 0, 0 ); |
| break; |
| |
| case OP_ARGS(SRC,DST): |
| XSetFunction( display, tmpGC, *opcode & 0x0f ); |
| XCopyArea( display, srcPixmap, dstPixmap, tmpGC, |
| 0, 0, width, height, 0, 0 ); |
| destUsed = TRUE; |
| break; |
| |
| case OP_ARGS(PAT,TMP): |
| if (!tmpPixmap) tmpPixmap = XCreatePixmap( display, rootWindow, |
| width, height, |
| dcDst->w.bitsPerPixel ); |
| XSetFunction( display, tmpGC, *opcode & 0x0f ); |
| XFillRectangle( display, tmpPixmap, tmpGC, 0, 0, width, height ); |
| break; |
| |
| case OP_ARGS(PAT,DST): |
| XSetFunction( display, tmpGC, *opcode & 0x0f ); |
| XFillRectangle( display, dstPixmap, tmpGC, 0, 0, width, height ); |
| destUsed = TRUE; |
| break; |
| |
| case OP_ARGS(PAT,SRC): |
| XSetFunction( display, tmpGC, *opcode & 0x0f ); |
| XFillRectangle( display, srcPixmap, tmpGC, 0, 0, width, height ); |
| break; |
| |
| case OP_ARGS(TMP,SRC): |
| XSetFunction( display, tmpGC, *opcode & 0x0f ); |
| XCopyArea( display, tmpPixmap, srcPixmap, tmpGC, |
| 0, 0, width, height, 0, 0 ); |
| break; |
| |
| case OP_ARGS(TMP,DST): |
| XSetFunction( display, tmpGC, *opcode & 0x0f ); |
| XCopyArea( display, tmpPixmap, dstPixmap, tmpGC, |
| 0, 0, width, height, 0, 0 ); |
| destUsed = TRUE; |
| break; |
| } |
| } |
| XSetFunction( display, dcDst->u.x.gc, GXcopy ); |
| BITBLT_PutArea( hdcDst, destUsed ? dstPixmap : srcPixmap, |
| dcDst->u.x.gc, xDst, yDst, width, height ); |
| XFreePixmap( display, dstPixmap ); |
| XFreePixmap( display, srcPixmap ); |
| if (tmpPixmap) XFreePixmap( display, tmpPixmap ); |
| XFreeGC( display, tmpGC ); |
| return TRUE; |
| #if 0 |
| if (((rop & 0x0f) == (rop >> 4))&&(rop!=0xbb)) |
| /* FIXME: Test, whether more than just 0xbb has to be excluded */ |
| { |
| XSetFunction( display, dcDst->u.x.gc, DC_XROPfunction[rop & 0x0f] ); |
| if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel) |
| { |
| XCopyArea( display, dcSrc->u.x.drawable, |
| dcDst->u.x.drawable, dcDst->u.x.gc, |
| min(xs1,xs2), min(ys1,ys2), abs(xs2-xs1), abs(ys2-ys1), |
| min(xd1,xd2), min(yd1,yd2) ); |
| } |
| else |
| { |
| if (dcSrc->w.bitsPerPixel != 1) return FALSE; |
| XCopyPlane( display, dcSrc->u.x.drawable, |
| dcDest->u.x.drawable, dcDest->u.x.gc, |
| min(xs1,xs2), min(ys1,ys2), abs(xs2-xs1), abs(ys2-ys1), |
| min(xd1,xd2), min(yd1,yd2), 1 ); |
| } |
| } |
| else |
| { |
| XImage *sxi, *dxi, *bxi; |
| int x,y,s,d,p,res,ofs,i,cp,cs,cd,cres; |
| XColor sentry,dentry,pentry,entry; |
| long colors[256]; |
| |
| /* HDC hdcBrush = CreateCompatibleDC(hdcDest); |
| DC *dcBrush;*/ |
| RECT r = {min(xDest,xDest+width), min(yDest,yDest+height), |
| max(xDest,xDest+width), max(yDest,yDest+height)}; |
| HBRUSH cur_brush=SelectObject(hdcDest, GetStockObject(BLACK_BRUSH)); |
| SelectObject(hdcDest, cur_brush); |
| /* FillRect(hdcBrush, &r, cur_brush);*/ |
| sxi = BITBLT_GetImage( hdcSrc, min(xs1,xs2), min(ys1,ys2), |
| abs(xs2-xs1), abs(ys2-ys1) ); |
| dxi = BITBLT_GetImage( hdcDest, min(xd1,xd2), min(yd1,yd2), |
| abs(xs2-xs1), abs(ys2-ys1) ); |
| /* dcBrush = (DC *) GDI_GetObjPtr( hdcBrush, DC_MAGIC );*/ |
| /* bxi=XGetImage(display, dcBrush->u.x.drawable, min(xd1,xd2),min(yd1,yd2), |
| abs(xs2-xs1), abs(ys2-ys1), AllPlanes, ZPixmap);*/ |
| /* FIXME: It's really not necessary to do this on the visible screen */ |
| FillRect(hdcDest, &r, cur_brush); |
| bxi = BITBLT_GetImage( hdcDest, min(xd1,xd2), min(yd1,yd2), |
| abs(xs2-xs1), abs(ys2-ys1) ); |
| for (i=0; i<min(256,1<<(dcDest->w.bitsPerPixel)); i++) |
| { |
| entry.pixel = i; |
| XQueryColor ( display, COLOR_WinColormap, &entry); |
| colors[i] = (int) RGB( entry.red>>8, entry.green>>8, entry.blue>>8 ); |
| } |
| if (dcSrc->w.bitsPerPixel == dcDest->w.bitsPerPixel) |
| { |
| for(x=0; x<abs(xs2-xs1); x++) |
| { |
| for(y=0; y<abs(ys2-ys1); y++) |
| { |
| s = XGetPixel(sxi, x, y); |
| d = XGetPixel(dxi, x, y); |
| p = XGetPixel(bxi, x, y); |
| if (s<256) |
| cs=colors[s]; |
| else |
| { |
| sentry.pixel = s; |
| XQueryColor ( display, COLOR_WinColormap, &sentry); |
| cs = (int) RGB( sentry.red>>8,sentry.green>>8, sentry.blue>>8 ); |
| } |
| if (d<256) |
| cd=colors[d]; |
| else |
| { |
| dentry.pixel = d; |
| XQueryColor ( display, COLOR_WinColormap, &dentry); |
| cd = (int) RGB( dentry.red>>8, dentry.green>>8,dentry.blue>>8 ); |
| } |
| if (p<256) |
| cp=colors[p]; |
| else |
| { |
| pentry.pixel = p; |
| XQueryColor ( display, COLOR_WinColormap, &pentry); |
| cp = (int) RGB( pentry.red>>8, pentry.green>>8,pentry.blue>>8 ); |
| } |
| cres = 0; |
| for(i=0; i<24; i++) |
| { |
| ofs=1<<(((cp>>i)&1)*4+((cs>>i)&1)*2+((cd>>i)&1)); |
| if (rop & ofs) |
| cres |= (1<<i); |
| } |
| if (cres==cs) |
| res=s; |
| else if (cres==cd) |
| res=d; |
| else if (cres==cp) |
| res=p; |
| else |
| { |
| res = -1; |
| for (i=0; i<min(256,1<<(dcDest->w.bitsPerPixel)); i++) |
| if (colors[i]==cres) |
| { |
| res = i; |
| break; |
| } |
| if (res == -1) |
| res = GetNearestPaletteIndex(dcDest->w.hPalette, res); |
| } |
| XPutPixel(dxi, x, y, res); |
| } |
| } |
| } |
| else |
| fprintf(stderr,"BitBlt // depths different!\n"); |
| XPutImage(display, dcDest->u.x.drawable, dcDest->u.x.gc, |
| dxi, 0, 0, min(xd1,xd2), min(yd1,yd2), abs(xs2-xs1), abs(ys2-ys1)+38); |
| XDestroyImage(sxi); |
| XDestroyImage(dxi); |
| XDestroyImage(bxi); |
| /*DeleteDC(hdcBrush);*/ |
| } |
| #endif |
| return TRUE; |
| } |
| |
| |
| |
| /*********************************************************************** |
| * black on white stretch -- favors color pixels over white |
| * |
| */ |
| static void bonw_stretch(XImage *sxi, XImage *dxi, |
| short widthSrc, short heightSrc, short widthDest, short heightDest) |
| { |
| float deltax, deltay, sourcex, sourcey, oldsourcex, oldsourcey; |
| register int x, y; |
| Pixel whitep; |
| int totalx, totaly, xavgwhite, yavgwhite; |
| register int i; |
| int endx, endy; |
| |
| deltax = (float)widthSrc/widthDest; |
| deltay = (float)heightSrc/heightDest; |
| whitep = WhitePixel(display, DefaultScreen(display)); |
| |
| oldsourcex = 0; |
| for (x=0, sourcex=0.0; x<widthDest; |
| x++, oldsourcex=sourcex, sourcex+=deltax) { |
| xavgwhite = 0; |
| if (deltax > 1.0) { |
| totalx = 0; |
| endx = (int)sourcex; |
| for (i=(int)oldsourcex; i<=endx; i++) |
| if (XGetPixel(sxi, i, (int)sourcey) == whitep) |
| totalx++; |
| xavgwhite = (totalx > (int)(deltax / 2.0)); |
| } else { |
| xavgwhite = 0; |
| } |
| |
| oldsourcey = 0; |
| for (y=0, sourcey=0.0; y<heightDest; |
| y++, oldsourcey=sourcey, sourcey+=deltay) { |
| yavgwhite = 0; |
| if (deltay > 1.0) { |
| totaly = 0; |
| endy = (int)sourcey; |
| for (i=(int)oldsourcey; i<=endy; i++) |
| if (XGetPixel(sxi, (int)sourcex, i) == whitep) |
| totaly++; |
| yavgwhite = (totaly > ((int)deltay / 2)); |
| } else { |
| yavgwhite = 0; |
| } |
| if (xavgwhite && yavgwhite) |
| XPutPixel(dxi, x, y, whitep); |
| else |
| XPutPixel(dxi, x, y, XGetPixel(sxi, (int)sourcex, (int)sourcey)); |
| |
| } /* for all y in dest */ |
| } /* for all x in dest */ |
| |
| } |
| |
| /*********************************************************************** |
| * white on black stretch -- favors color pixels over black |
| * |
| */ |
| static void wonb_stretch(XImage *sxi, XImage *dxi, |
| short widthSrc, short heightSrc, short widthDest, short heightDest) |
| { |
| float deltax, deltay, sourcex, sourcey, oldsourcex, oldsourcey; |
| register int x, y; |
| Pixel blackp; |
| int totalx, totaly, xavgblack, yavgblack; |
| register int i; |
| int endx, endy; |
| |
| deltax = (float)widthSrc/widthDest; |
| deltay = (float)heightSrc/heightDest; |
| blackp = WhitePixel(display, DefaultScreen(display)); |
| |
| oldsourcex = 0; |
| for (x=0, sourcex=0.0; x<widthDest; |
| x++, oldsourcex=sourcex, sourcex+=deltax) { |
| xavgblack = 0; |
| if (deltax > 1.0) { |
| totalx = 0; |
| endx = (int)sourcex; |
| for (i=(int)oldsourcex; i<=endx; i++) |
| if (XGetPixel(sxi, i, (int)sourcey) == blackp) |
| totalx++; |
| xavgblack = (totalx > (int)(deltax / 2.0)); |
| } else { |
| xavgblack = 0; |
| } |
| |
| oldsourcey = 0; |
| for (y=0, sourcey=0.0; y<heightDest; |
| y++, oldsourcey=sourcey, sourcey+=deltay) { |
| yavgblack = 0; |
| if (deltay > 1.0) { |
| totaly = 0; |
| endy = (int)sourcey; |
| for (i=(int)oldsourcey; i<=endy; i++) |
| if (XGetPixel(sxi, (int)sourcex, i) == blackp) |
| totaly++; |
| yavgblack = (totaly > ((int)deltay / 2)); |
| } else { |
| yavgblack = 0; |
| } |
| if (xavgblack && yavgblack) |
| XPutPixel(dxi, x, y, blackp); |
| else |
| XPutPixel(dxi, x, y, XGetPixel(sxi, (int)sourcex, (int)sourcey)); |
| |
| } /* for all y in dest */ |
| } /* for all x in dest */ |
| } |
| |
| /* We use the 32-bit to 64-bit multiply and 64-bit to 32-bit divide of the */ |
| /* 386 (which gcc doesn't know well enough) to efficiently perform integer */ |
| /* scaling without having to worry about overflows. */ |
| |
| /* ##### muldiv64() borrowed from svgalib 1.03 ##### */ |
| static __inline__ int muldiv64( int m1, int m2, int d ) |
| { |
| /* int32 * int32 -> int64 / int32 -> int32 */ |
| #ifdef i386 |
| int result; |
| __asm__( |
| "imull %%edx\n\t" |
| "idivl %3\n\t" |
| : "=&a" (result) /* out */ |
| : "0" (m1), "d" (m2), "g" (d) /* in */ |
| : "%edx" /* mod */ |
| ); |
| return result; |
| #else |
| return m1 * m2 / d; |
| #endif |
| } |
| |
| /*********************************************************************** |
| * color stretch -- deletes unused pixels |
| * |
| */ |
| static void color_stretch(XImage *sxi, XImage *dxi, |
| short widthSrc, short heightSrc, short widthDest, short heightDest) |
| { |
| register int x, y, sx, sy, xfactor, yfactor; |
| |
| xfactor = muldiv64(widthSrc, 65536, widthDest); |
| yfactor = muldiv64(heightSrc, 65536, heightDest); |
| |
| sy = 0; |
| |
| for (y = 0; y < heightDest;) |
| { |
| int sourcey = sy >> 16; |
| sx = 0; |
| for (x = 0; x < widthDest; x++) { |
| XPutPixel(dxi, x, y, XGetPixel(sxi, sx >> 16, sourcey)); |
| sx += xfactor; |
| } |
| y++; |
| while (y < heightDest) { |
| int py; |
| |
| sourcey = sy >> 16; |
| sy += yfactor; |
| |
| if ((sy >> 16) != sourcey) |
| break; |
| |
| /* vertical stretch => copy previous line */ |
| |
| py = y - 1; |
| |
| for (x = 0; x < widthDest; x++) |
| XPutPixel(dxi, x, y, XGetPixel(dxi, x, py)); |
| y++; |
| } |
| } |
| } |
| |
| /*********************************************************************** |
| * StretchBlt (GDI.35) |
| * |
| * o StretchBlt is CPU intensive so we only call it if we have |
| * to. Checks are made to see if we can call BitBlt instead. |
| * |
| * o the stretching is slowish, some integer interpolation would |
| * speed it up. |
| * |
| * o only black on white and color copy have been tested |
| */ |
| BOOL StretchBlt( HDC hdcDest, short xDest, short yDest, short widthDest, short heightDest, |
| HDC hdcSrc, short xSrc, short ySrc, short widthSrc, short heightSrc, DWORD rop ) |
| { |
| int xs1, xs2, ys1, ys2; |
| int xd1, xd2, yd1, yd2; |
| DC *dcDest, *dcSrc; |
| XImage *sxi, *dxi; |
| DWORD saverop = rop; |
| WORD stretchmode; |
| |
| dprintf_gdi(stddeb, "StretchBlt: %d %d,%d %dx%d %d %d,%d %dx%d %06lx\n", |
| hdcDest, xDest, yDest, widthDest, heightDest, hdcSrc, xSrc, |
| ySrc, widthSrc, heightSrc, rop ); |
| dprintf_gdi(stddeb, "StretchMode is %x\n", |
| ((DC *)GDI_GetObjPtr(hdcDest, DC_MAGIC))->w.stretchBltMode); |
| |
| if (widthDest == 0 || heightDest == 0) return FALSE; |
| if (widthSrc == 0 || heightSrc == 0) return FALSE; |
| if ((rop & 0xcc0000) == ((rop & 0x330000) << 2)) |
| return PatBlt( hdcDest, xDest, yDest, widthDest, heightDest, rop ); |
| |
| /* don't stretch the bitmap unless we have to; if we don't, |
| * call BitBlt for a performance boost |
| */ |
| |
| if (widthSrc == widthDest && heightSrc == heightDest) { |
| return BitBlt(hdcDest, xDest, yDest, widthSrc, heightSrc, |
| hdcSrc, xSrc, ySrc, rop); |
| } |
| |
| rop >>= 16; |
| if ((rop & 0x0f) != (rop >> 4)) |
| { |
| fprintf(stdnimp, "StretchBlt: Unimplemented ROP %02lx\n", rop ); |
| return FALSE; |
| } |
| |
| dcSrc = (DC *) GDI_GetObjPtr( hdcSrc, DC_MAGIC ); |
| if (!dcSrc) return FALSE; |
| dcDest = (DC *) GDI_GetObjPtr( hdcDest, DC_MAGIC ); |
| if (!dcDest) |
| { |
| dcDest = (DC *)GDI_GetObjPtr(hdcDest, METAFILE_DC_MAGIC); |
| if (!dcDest) return FALSE; |
| MF_StretchBlt(dcDest, xDest, yDest, widthDest, heightDest, |
| hdcSrc, xSrc, ySrc, widthSrc, heightSrc, saverop); |
| return TRUE; |
| } |
| |
| xs1 = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc ); |
| xs2 = dcSrc->w.DCOrgX + XLPTODP( dcSrc, xSrc + widthSrc ); |
| ys1 = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc ); |
| ys2 = dcSrc->w.DCOrgY + YLPTODP( dcSrc, ySrc + heightSrc ); |
| xd1 = dcDest->w.DCOrgX + XLPTODP( dcDest, xDest ); |
| xd2 = dcDest->w.DCOrgX + XLPTODP( dcDest, xDest + widthDest ); |
| yd1 = dcDest->w.DCOrgY + YLPTODP( dcDest, yDest ); |
| yd2 = dcDest->w.DCOrgY + YLPTODP( dcDest, yDest + heightDest ); |
| |
| |
| /* get a source and destination image so we can manipulate |
| * the pixels |
| */ |
| |
| sxi = BITBLT_GetImage( hdcSrc, xs1, ys1, widthSrc, heightSrc ); |
| dxi = XCreateImage(display, DefaultVisualOfScreen(screen), |
| screenDepth, ZPixmap, |
| 0, NULL, widthDest, heightDest, |
| 32, 0); |
| dxi->data = malloc(dxi->bytes_per_line * heightDest); |
| |
| stretchmode = ((DC *)GDI_GetObjPtr(hdcDest, DC_MAGIC))->w.stretchBltMode; |
| |
| /* the actual stretching is done here, we'll try to use |
| * some interolation to get some speed out of it in |
| * the future |
| */ |
| |
| switch (stretchmode) { |
| case BLACKONWHITE: |
| color_stretch(sxi, dxi, widthSrc, heightSrc, |
| widthDest, heightDest); |
| /* bonw_stretch(sxi, dxi, widthSrc, heightSrc, |
| widthDest, heightDest); |
| */ break; |
| case WHITEONBLACK: |
| color_stretch(sxi, dxi, widthSrc, heightSrc, |
| widthDest, heightDest); |
| /* wonb_stretch(sxi, dxi, widthSrc, heightSrc, |
| widthDest, heightDest); |
| */ break; |
| case COLORONCOLOR: |
| color_stretch(sxi, dxi, widthSrc, heightSrc, |
| widthDest, heightDest); |
| break; |
| default: |
| fprintf(stderr, "StretchBlt: unknown stretchmode '%d'\n", |
| stretchmode); |
| break; |
| } |
| |
| DC_SetupGCForText(dcDest); |
| XSetFunction(display, dcDest->u.x.gc, DC_XROPfunction[rop & 0x0f]); |
| XPutImage(display, dcDest->u.x.drawable, dcDest->u.x.gc, |
| dxi, 0, 0, min(xd1,xd2), min(yd1,yd2), |
| widthDest, heightDest); |
| |
| /* now free the images we created */ |
| |
| XDestroyImage(sxi); |
| XDestroyImage(dxi); |
| |
| return TRUE; |
| } |
