/* * GDI bit-blit operations * * Copyright 1993, 1994 Alexandre Julliard */ #include #include #include #include #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)) { 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; if (!COLOR_PaletteToPixel) { 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 PATINVERT: /* 0x5a */ /* FIXME: This is not really correct, but for now PATINVERT is */ /* used to draw the window moving frame, so it has to be fast. */ 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_ColormapSize-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? */ }