/* * GDI bit-blit operations * * Copyright 1993, 1994 Alexandre Julliard */ #include "config.h" #ifndef X_DISPLAY_MISSING #include #include "ts_xlib.h" #include #include #include #include "bitmap.h" #include "callback.h" #include "color.h" #include "dc.h" #include "metafile.h" #include "options.h" #include "x11drv.h" #include "debugtools.h" #include "xmalloc.h" /* for XCREATEIMAGE macro */ DEFAULT_DEBUG_CHANNEL(bitblt) #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 */ #define SWAP_INT32(i1,i2) \ do { INT __t = *(i1); *(i1) = *(i2); *(i2) = __t; } while(0) 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, INT startDst, INT widthDst, INT xinc, INT xoff, WORD mode ) { register INT xsrc = xinc * startDst + xoff; 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, INT startSrc, INT widthSrc, INT xinc, INT xoff, WORD mode ) { register INT xdst = xinc * startSrc + xoff; 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, INT row, INT start, INT width, INT depthDst, int fg, int bg, BOOL swap) { register INT i; assert( (row >= 0) && (row < image->height) ); assert( (start >= 0) && (width <= image->width) ); pdata += swap ? start+width-1 : start; if (image->depth == depthDst) /* color -> color */ { if (X11DRV_PALETTE_XPixelToPalette && (depthDst != 1)) if (swap) for (i = 0; i < width; i++) *pdata-- = X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, i, row )]; else for (i = 0; i < width; i++) *pdata++ = X11DRV_PALETTE_XPixelToPalette[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 (X11DRV_PALETTE_XPixelToPalette) { fg = X11DRV_PALETTE_XPixelToPalette[fg]; bg = X11DRV_PALETTE_XPixelToPalette[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. * FIXME: does not work for full 32-bit coordinates. */ static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage, INT widthSrc, INT heightSrc, INT widthDst, INT heightDst, RECT *visRectSrc, RECT *visRectDst, int foreground, int background, WORD mode ) { int *rowSrc, *rowDst, *pixel; char *pdata; INT xinc, xoff, yinc, ysrc, ydst; register INT 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); if (!(rowSrc = (int *)HeapAlloc( GetProcessHeap(), 0, (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); vstretch = (heightSrc < heightDst); if (hstretch) { xinc = ((int)widthSrc << 16) / widthDst; xoff = ((widthSrc << 16) - (xinc * widthDst)) / 2; } else { xinc = ((int)widthDst << 16) / widthSrc; xoff = ((widthDst << 16) - (xinc * widthSrc)) / 2; } if (vstretch) { yinc = ((int)heightSrc << 16) / heightDst; ydst = visRectDst->top; if (vswap) { ysrc = yinc * (heightDst - ydst - 1); yinc = -yinc; } else ysrc = yinc * ydst; for ( ; (ydst < visRectDst->bottom); ysrc += yinc, ydst++) { if (((ysrc >> 16) < visRectSrc->top) || ((ysrc >> 16) >= visRectSrc->bottom)) continue; /* Retrieve a source row */ BITBLT_GetRow( srcImage, rowSrc, (ysrc >> 16) - visRectSrc->top, hswap ? widthSrc - visRectSrc->right : visRectSrc->left, visRectSrc->right - visRectSrc->left, dstImage->depth, foreground, background, hswap ); /* Stretch or shrink it */ if (hstretch) BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left, visRectDst->right - visRectDst->left, xinc, xoff, mode ); else BITBLT_ShrinkRow( rowSrc, rowDst, hswap ? widthSrc - visRectSrc->right : visRectSrc->left, visRectSrc->right - visRectSrc->left, xinc, xoff, mode ); /* Store the destination row */ pixel = rowDst + visRectDst->right - 1; y = ydst - 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) ); /* Make copies of the destination row */ pdata = dstImage->data + dstImage->bytes_per_line * y; while (((ysrc + yinc) >> 16 == ysrc >> 16) && (ydst < visRectDst->bottom-1)) { memcpy( pdata + dstImage->bytes_per_line, pdata, dstImage->bytes_per_line ); pdata += dstImage->bytes_per_line; ysrc += yinc; ydst++; } } } else /* Shrinking */ { yinc = ((int)heightDst << 16) / heightSrc; ysrc = visRectSrc->top; ydst = ((heightDst << 16) - (yinc * heightSrc)) / 2; if (vswap) { ydst += yinc * (heightSrc - ysrc - 1); yinc = -yinc; } else ydst += yinc * ysrc; for( ; (ysrc < visRectSrc->bottom); ydst += yinc, ysrc++) { if (((ydst >> 16) < visRectDst->top) || ((ydst >> 16) >= visRectDst->bottom)) continue; /* Retrieve a source row */ BITBLT_GetRow( srcImage, rowSrc, ysrc - visRectSrc->top, hswap ? widthSrc - visRectSrc->right : visRectSrc->left, visRectSrc->right - visRectSrc->left, dstImage->depth, foreground, background, hswap ); /* Stretch or shrink it */ if (hstretch) BITBLT_StretchRow( rowSrc, rowDst, visRectDst->left, visRectDst->right - visRectDst->left, xinc, xoff, mode ); else BITBLT_ShrinkRow( rowSrc, rowDst, hswap ? widthSrc - visRectSrc->right : visRectSrc->left, visRectSrc->right - visRectSrc->left, xinc, xoff, mode ); /* Merge several source rows into the destination */ 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)) continue; /* Restart loop for next overlapping row */ /* Store the destination row */ pixel = rowDst + visRectDst->right - 1; y = (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) ); } } HeapFree( GetProcessHeap(), 0, 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, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, INT xDst, INT yDst, INT widthDst, INT heightDst, RECT *visRectSrc, RECT *visRectDst ) { XImage *imageSrc, *imageDst; X11DRV_PDEVICE *physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev; X11DRV_PDEVICE *physDevDst = (X11DRV_PDEVICE *)dcDst->physDev; RECT rectSrc = *visRectSrc; RECT rectDst = *visRectDst; if (widthSrc < 0) xSrc += widthSrc; if (widthDst < 0) xDst += widthDst; if (heightSrc < 0) ySrc += heightSrc; if (heightDst < 0) yDst += heightDst; OffsetRect( &rectSrc, -xSrc, -ySrc ); OffsetRect( &rectDst, -xDst, -yDst ); /* FIXME: avoid BadMatch errors */ imageSrc = XGetImage( display, physDevSrc->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, physDevDst->textPixel, dcDst->w.bitsPerPixel != 1 ? physDevDst->backgroundPixel : physDevSrc->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, INT xSrc, INT ySrc, RECT *visRectSrc ) { XImage *imageSrc, *imageDst; register INT x, y; INT width = visRectSrc->right - visRectSrc->left; INT height = visRectSrc->bottom - visRectSrc->top; X11DRV_PDEVICE *physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev; X11DRV_PDEVICE *physDevDst = (X11DRV_PDEVICE *)dcDst->physDev; if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel) { if (!X11DRV_PALETTE_XPixelToPalette || (dcDst->w.bitsPerPixel == 1)) /* monochrome -> monochrome */ { XCopyArea( display, physDevSrc->drawable, pixmap, gc, visRectSrc->left, visRectSrc->top, width, height, 0, 0); } else /* color -> color */ { if (dcSrc->w.flags & DC_MEMORY) imageSrc = XGetImage( display, physDevSrc->drawable, visRectSrc->left, visRectSrc->top, width, height, AllPlanes, ZPixmap ); else { /* Make sure we don't get a BadMatch error */ XCopyArea( display, physDevSrc->drawable, pixmap, gc, visRectSrc->left, visRectSrc->top, width, height, 0, 0); imageSrc = XGetImage( display, pixmap, 0, 0, width, height, AllPlanes, ZPixmap ); } for (y = 0; y < height; y++) for (x = 0; x < width; x++) XPutPixel(imageSrc, x, y, X11DRV_PALETTE_XPixelToPalette[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 (X11DRV_PALETTE_XPixelToPalette) { XSetBackground( display, gc, X11DRV_PALETTE_XPixelToPalette[physDevDst->textPixel] ); XSetForeground( display, gc, X11DRV_PALETTE_XPixelToPalette[physDevDst->backgroundPixel]); } else { XSetBackground( display, gc, physDevDst->textPixel ); XSetForeground( display, gc, physDevDst->backgroundPixel ); } XCopyPlane( display, physDevSrc->drawable, pixmap, gc, visRectSrc->left, visRectSrc->top, width, height, 0, 0, 1 ); } else /* color -> monochrome */ { /* FIXME: avoid BadMatch error */ imageSrc = XGetImage( display, physDevSrc->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) == physDevSrc->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, RECT *visRectDst) { INT width = visRectDst->right - visRectDst->left; INT height = visRectDst->bottom - visRectDst->top; X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev; if (!X11DRV_PALETTE_XPixelToPalette || (dc->w.bitsPerPixel == 1) || (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) ) { XCopyArea( display, physDev->drawable, pixmap, gc, visRectDst->left, visRectDst->top, width, height, 0, 0 ); } else { register INT x, y; XImage *image; if (dc->w.flags & DC_MEMORY) image = XGetImage( display, physDev->drawable, visRectDst->left, visRectDst->top, width, height, AllPlanes, ZPixmap ); else { /* Make sure we don't get a BadMatch error */ XCopyArea( display, physDev->drawable, pixmap, gc, visRectDst->left, visRectDst->top, width, height, 0, 0); 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, X11DRV_PALETTE_XPixelToPalette[XGetPixel( image, x, y )]); XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, width, height ); XDestroyImage( image ); } } /*********************************************************************** * 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, RECT *visRectDst) { INT width = visRectDst->right - visRectDst->left; INT height = visRectDst->bottom - visRectDst->top; X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev; /* !X11DRV_PALETTE_PaletteToXPixel is _NOT_ enough */ if (!X11DRV_PALETTE_PaletteToXPixel || (dc->w.bitsPerPixel == 1) || (X11DRV_PALETTE_PaletteFlags & X11DRV_PALETTE_VIRTUAL) ) { XCopyArea( display, pixmap, physDev->drawable, gc, 0, 0, width, height, visRectDst->left, visRectDst->top ); } else { register INT 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, X11DRV_PALETTE_PaletteToXPixel[XGetPixel( image, x, y )]); } XPutImage( display, physDev->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, INT xDst, INT yDst, INT widthDst, INT heightDst, DC *dcSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, RECT *visRectSrc, RECT *visRectDst ) { RECT rect, clipRect; /* Get the destination visible rectangle */ SetRect( &rect, xDst, yDst, xDst + widthDst, yDst + heightDst ); if (widthDst < 0) SWAP_INT32( &rect.left, &rect.right ); if (heightDst < 0) SWAP_INT32( &rect.top, &rect.bottom ); GetRgnBox( dcDst->w.hGCClipRgn, &clipRect ); if (!IntersectRect( visRectDst, &rect, &clipRect )) return FALSE; /* Get the source visible rectangle */ if (!dcSrc) return TRUE; SetRect( &rect, xSrc, ySrc, xSrc + widthSrc, ySrc + heightSrc ); if (widthSrc < 0) SWAP_INT32( &rect.left, &rect.right ); if (heightSrc < 0) SWAP_INT32( &rect.top, &rect.bottom ); /* Apparently the clipping and visible regions are only for output, so just check against totalExtent here to avoid BadMatch errors */ if (!IntersectRect( visRectSrc, &rect, &dcSrc->w.totalExtent )) return FALSE; /* Intersect the rectangles */ if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */ { OffsetRect( visRectSrc, xDst - xSrc, yDst - ySrc ); if (!IntersectRect( &rect, visRectSrc, visRectDst )) return FALSE; *visRectSrc = *visRectDst = rect; OffsetRect( visRectSrc, xSrc - xDst, ySrc - yDst ); } else /* stretching */ { /* Map source rectangle into destination coordinates */ rect.left = xDst + (visRectSrc->left - xSrc)*widthDst/widthSrc; rect.top = yDst + (visRectSrc->top - ySrc)*heightDst/heightSrc; rect.right = xDst + ((visRectSrc->right - xSrc)*widthDst)/widthSrc; rect.bottom = yDst + ((visRectSrc->bottom - ySrc)*heightDst)/heightSrc; if (rect.left > rect.right) SWAP_INT32( &rect.left, &rect.right ); if (rect.top > rect.bottom) SWAP_INT32( &rect.top, &rect.bottom ); InflateRect( &rect, 1, 1 ); /* Avoid rounding errors */ if (!IntersectRect( visRectDst, &rect, visRectDst )) return FALSE; /* Map destination rectangle back to source coordinates */ rect = *visRectDst; rect.left = xSrc + (visRectDst->left - xDst)*widthSrc/widthDst; rect.top = ySrc + (visRectDst->top - yDst)*heightSrc/heightDst; rect.right = xSrc + ((visRectDst->right - xDst)*widthSrc)/widthDst; rect.bottom = ySrc + ((visRectDst->bottom - yDst)*heightSrc)/heightDst; if (rect.left > rect.right) SWAP_INT32( &rect.left, &rect.right ); if (rect.top > rect.bottom) SWAP_INT32( &rect.top, &rect.bottom ); InflateRect( &rect, 1, 1 ); /* Avoid rounding errors */ if (!IntersectRect( visRectSrc, &rect, visRectSrc )) return FALSE; } return TRUE; } /*********************************************************************** * BITBLT_InternalStretchBlt * * Implementation of PatBlt(), BitBlt() and StretchBlt(). */ static BOOL BITBLT_InternalStretchBlt( DC *dcDst, INT xDst, INT yDst, INT widthDst, INT heightDst, DC *dcSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, DWORD rop ) { BOOL usePat, useSrc, useDst, destUsed, fStretch, fNullBrush; RECT visRectDst, visRectSrc; INT width, height; const BYTE *opcode; Pixmap pixmaps[3] = { 0, 0, 0 }; /* pixmaps for DST, SRC, TMP */ GC tmpGC = 0; X11DRV_PDEVICE *physDevSrc = NULL; X11DRV_PDEVICE *physDevDst = (X11DRV_PDEVICE *)dcDst->physDev; /* compensate for off-by-one shifting for negative widths and heights */ if (widthDst < 0) ++xDst; if (heightDst < 0) ++yDst; if (widthSrc < 0) ++xSrc; if (heightSrc < 0) ++ySrc; if(dcSrc) physDevSrc = (X11DRV_PDEVICE *)dcSrc->physDev; usePat = (((rop >> 4) & 0x0f0000) != (rop & 0x0f0000)); useSrc = (((rop >> 2) & 0x330000) != (rop & 0x330000)); useDst = (((rop >> 1) & 0x550000) != (rop & 0x550000)); if (!dcSrc && useSrc) return FALSE; /* Map the coordinates to device coords */ xDst = dcDst->w.DCOrgX + XLPTODP( dcDst, xDst ); yDst = dcDst->w.DCOrgY + YLPTODP( dcDst, yDst ); /* Here we have to round to integers, not truncate */ widthDst = MulDiv(widthDst, dcDst->vportExtX, dcDst->wndExtX); heightDst = MulDiv(heightDst, dcDst->vportExtY, dcDst->wndExtY); TRACE(" vportdst=%d,%d-%d,%d wnddst=%d,%d-%d,%d\n", dcDst->vportOrgX, dcDst->vportOrgY, dcDst->vportExtX, dcDst->vportExtY, dcDst->wndOrgX, dcDst->wndOrgY, dcDst->wndExtX, dcDst->wndExtY ); TRACE(" 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->vportExtX / dcSrc->wndExtX; heightSrc = heightSrc * dcSrc->vportExtY / dcSrc->wndExtY; fStretch = (widthSrc != widthDst) || (heightSrc != heightDst); TRACE(" vportsrc=%d,%d-%d,%d wndsrc=%d,%d-%d,%d\n", dcSrc->vportOrgX, dcSrc->vportOrgY, dcSrc->vportExtX, dcSrc->vportExtY, dcSrc->wndOrgX, dcSrc->wndOrgY, dcSrc->wndExtX, dcSrc->wndExtY ); TRACE(" 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; TRACE(" 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; TRACE(" 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) || !X11DRV_PALETTE_PaletteToXPixel) XSetFunction( display, physDevDst->gc, GXclear ); else { XSetFunction( display, physDevDst->gc, GXcopy ); XSetForeground( display, physDevDst->gc, X11DRV_PALETTE_PaletteToXPixel[0] ); XSetFillStyle( display, physDevDst->gc, FillSolid ); } XFillRectangle( display, physDevDst->drawable, physDevDst->gc, visRectDst.left, visRectDst.top, width, height ); return TRUE; case DSTINVERT: /* 0x55 */ if ((dcDst->w.bitsPerPixel == 1) || !X11DRV_PALETTE_PaletteToXPixel || !Options.perfectGraphics) { XSetFunction( display, physDevDst->gc, GXinvert ); if( X11DRV_PALETTE_PaletteFlags & (X11DRV_PALETTE_PRIVATE | X11DRV_PALETTE_VIRTUAL) ) XSetFunction( display, physDevDst->gc, GXinvert); else { /* Xor is much better when we do not have full colormap. */ /* Using white^black ensures that we invert at least black */ /* and white. */ Pixel xor_pix = (WhitePixelOfScreen(X11DRV_GetXScreen()) ^ BlackPixelOfScreen(X11DRV_GetXScreen())); XSetFunction( display, physDevDst->gc, GXxor ); XSetForeground( display, physDevDst->gc, xor_pix); XSetFillStyle( display, physDevDst->gc, FillSolid ); } XFillRectangle( display, physDevDst->drawable, physDevDst->gc, visRectDst.left, visRectDst.top, width, height ); return TRUE; } break; case PATINVERT: /* 0x5a */ if (Options.perfectGraphics) break; if (X11DRV_SetupGCForBrush( dcDst )) { XSetFunction( display, physDevDst->gc, GXxor ); XFillRectangle( display, physDevDst->drawable, physDevDst->gc, visRectDst.left, visRectDst.top, width, height ); } return TRUE; case 0xa50065: if (Options.perfectGraphics) break; if (X11DRV_SetupGCForBrush( dcDst )) { XSetFunction( display, physDevDst->gc, GXequiv ); XFillRectangle( display, physDevDst->drawable, physDevDst->gc, visRectDst.left, visRectDst.top, width, height ); } return TRUE; case SRCCOPY: /* 0xcc */ if (dcSrc->w.bitsPerPixel == dcDst->w.bitsPerPixel) { BOOL expose = !(dcSrc->w.flags & DC_MEMORY) && !(dcDst->w.flags & DC_MEMORY); if ( expose ) XSetGraphicsExposures( display, physDevDst->gc, True ); XSetFunction( display, physDevDst->gc, GXcopy ); XCopyArea( display, physDevSrc->drawable, physDevDst->drawable, physDevDst->gc, visRectSrc.left, visRectSrc.top, width, height, visRectDst.left, visRectDst.top ); if ( expose ) XSetGraphicsExposures( display, physDevDst->gc, False ); return TRUE; } if (dcSrc->w.bitsPerPixel == 1) { BOOL expose = !(dcSrc->w.flags & DC_MEMORY) && !(dcDst->w.flags & DC_MEMORY); XSetBackground( display, physDevDst->gc, physDevDst->textPixel ); XSetForeground( display, physDevDst->gc, physDevDst->backgroundPixel ); XSetFunction( display, physDevDst->gc, GXcopy ); if ( expose ) XSetGraphicsExposures( display, physDevDst->gc, True ); XCopyPlane( display, physDevSrc->drawable, physDevDst->drawable, physDevDst->gc, visRectSrc.left, visRectSrc.top, width, height, visRectDst.left, visRectDst.top, 1 ); if ( expose ) XSetGraphicsExposures( display, physDevDst->gc, False ); return TRUE; } break; case PATCOPY: /* 0xf0 */ if (!X11DRV_SetupGCForBrush( dcDst )) return TRUE; XSetFunction( display, physDevDst->gc, GXcopy ); XFillRectangle( display, physDevDst->drawable, physDevDst->gc, visRectDst.left, visRectDst.top, width, height ); return TRUE; case WHITENESS: /* 0xff */ if ((dcDst->w.bitsPerPixel == 1) || !X11DRV_PALETTE_PaletteToXPixel) XSetFunction( display, physDevDst->gc, GXset ); else { XSetFunction( display, physDevDst->gc, GXcopy ); XSetForeground( display, physDevDst->gc, WhitePixelOfScreen( X11DRV_GetXScreen() )); XSetFillStyle( display, physDevDst->gc, FillSolid ); } XFillRectangle( display, physDevDst->drawable, physDevDst->gc, visRectDst.left, visRectDst.top, width, height ); return TRUE; } tmpGC = XCreateGC( display, physDevDst->drawable, 0, NULL ); XSetGraphicsExposures( display, tmpGC, False ); pixmaps[DST] = XCreatePixmap( display, X11DRV_GetXRootWindow(), width, height, dcDst->w.bitsPerPixel ); if (useSrc) { pixmaps[SRC] = XCreatePixmap( display, X11DRV_GetXRootWindow(), 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 = !X11DRV_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, X11DRV_GetXRootWindow(), 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, X11DRV_GetXRootWindow(), 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, physDevDst->gc, GXcopy ); BITBLT_PutDstArea( dcDst, pixmaps[destUsed ? DST : SRC], physDevDst->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; } struct StretchBlt_params { DC *dcDst; INT xDst; INT yDst; INT widthDst; INT heightDst; DC *dcSrc; INT xSrc; INT ySrc; INT widthSrc; INT heightSrc; DWORD rop; }; /*********************************************************************** * BITBLT_DoStretchBlt * * Wrapper function for BITBLT_InternalStretchBlt * to use with CALL_LARGE_STACK. */ static int BITBLT_DoStretchBlt( const struct StretchBlt_params *p ) { return (int)BITBLT_InternalStretchBlt( p->dcDst, p->xDst, p->yDst, p->widthDst, p->heightDst, p->dcSrc, p->xSrc, p->ySrc, p->widthSrc, p->heightSrc, p->rop ); } /*********************************************************************** * X11DRV_PatBlt */ BOOL X11DRV_PatBlt( DC *dc, INT left, INT top, INT width, INT height, DWORD rop ) { struct StretchBlt_params params; BOOL result; params.dcDst = dc; params.xDst = left; params.yDst = top; params.widthDst = width; params.heightDst = height; params.dcSrc = NULL; params.xSrc = 0; params.ySrc = 0; params.widthSrc = 0; params.heightSrc = 0; params.rop = rop; if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dc ); X11DRV_DIB_UpdateDIBSection( dc, FALSE ); EnterCriticalSection( &X11DRV_CritSection ); result = (BOOL)CALL_LARGE_STACK( BITBLT_DoStretchBlt, ¶ms ); LeaveCriticalSection( &X11DRV_CritSection ); X11DRV_DIB_UpdateDIBSection( dc, TRUE ); return result; } /*********************************************************************** * X11DRV_BitBlt */ BOOL X11DRV_BitBlt( DC *dcDst, INT xDst, INT yDst, INT width, INT height, DC *dcSrc, INT xSrc, INT ySrc, DWORD rop ) { struct StretchBlt_params params; BOOL result; params.dcDst = dcDst; params.xDst = xDst; params.yDst = yDst; params.widthDst = width; params.heightDst = height; params.dcSrc = dcSrc; params.xSrc = xSrc; params.ySrc = ySrc; params.widthSrc = width; params.heightSrc = height; params.rop = rop; X11DRV_DIB_UpdateDIBSection( dcDst, FALSE ); X11DRV_DIB_UpdateDIBSection( dcSrc, FALSE ); if (dcDst->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dcDst ); if (dcSrc && (dcSrc->w.flags & DC_DIRTY)) CLIPPING_UpdateGCRegion( dcSrc ); EnterCriticalSection( &X11DRV_CritSection ); result = (BOOL)CALL_LARGE_STACK( BITBLT_DoStretchBlt, ¶ms ); LeaveCriticalSection( &X11DRV_CritSection ); X11DRV_DIB_UpdateDIBSection( dcDst, TRUE ); return result; } /*********************************************************************** * X11DRV_StretchBlt */ BOOL X11DRV_StretchBlt( DC *dcDst, INT xDst, INT yDst, INT widthDst, INT heightDst, DC *dcSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, DWORD rop ) { struct StretchBlt_params params; BOOL result; params.dcDst = dcDst; params.xDst = xDst; params.yDst = yDst; params.widthDst = widthDst; params.heightDst = heightDst; params.dcSrc = dcSrc; params.xSrc = xSrc; params.ySrc = ySrc; params.widthSrc = widthSrc; params.heightSrc = heightSrc; params.rop = rop; X11DRV_DIB_UpdateDIBSection( dcDst, FALSE ); X11DRV_DIB_UpdateDIBSection( dcSrc, FALSE ); if (dcDst->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion( dcDst ); if (dcSrc && (dcSrc->w.flags & DC_DIRTY)) CLIPPING_UpdateGCRegion( dcSrc ); EnterCriticalSection( &X11DRV_CritSection ); result = (BOOL)CALL_LARGE_STACK( BITBLT_DoStretchBlt, ¶ms ); LeaveCriticalSection( &X11DRV_CritSection ); X11DRV_DIB_UpdateDIBSection( dcDst, TRUE ); return result; } #endif /* !defined(X_DISPLAY_MISSING) */