Sweden-Number/graphics/x11drv/bitblt.c

1431 lines
65 KiB
C

/*
* GDI bit-blit operations
*
* Copyright 1993, 1994 Alexandre Julliard
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <X11/Intrinsic.h>
#include "bitmap.h"
#include "callback.h"
#include "color.h"
#include "dc.h"
#include "metafile.h"
#include "options.h"
#include "x11drv.h"
#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 */
#define SWAP_INT32(i1,i2) \
do { INT32 __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,
INT32 startDst, INT32 widthDst,
INT32 xinc, INT32 xoff, WORD mode )
{
register INT32 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,
INT32 startSrc, INT32 widthSrc,
INT32 xinc, INT32 xoff, WORD mode )
{
register INT32 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, INT32 row,
INT32 start, INT32 width, INT32 depthDst,
int fg, int bg, BOOL32 swap)
{
register INT32 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 (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.
* FIXME: does not work for full 32-bit coordinates.
*/
static void BITBLT_StretchImage( XImage *srcImage, XImage *dstImage,
INT32 widthSrc, INT32 heightSrc,
INT32 widthDst, INT32 heightDst,
RECT32 *visRectSrc, RECT32 *visRectDst,
int foreground, int background, WORD mode )
{
int *rowSrc, *rowDst, *pixel;
char *pdata;
INT32 xinc, xoff, yinc, ysrc, ydst;
register INT32 x, y;
BOOL32 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,
INT32 xSrc, INT32 ySrc,
INT32 widthSrc, INT32 heightSrc,
INT32 xDst, INT32 yDst,
INT32 widthDst, INT32 heightDst,
RECT32 *visRectSrc, RECT32 *visRectDst )
{
XImage *imageSrc, *imageDst;
RECT32 rectSrc = *visRectSrc;
RECT32 rectDst = *visRectDst;
if (widthSrc < 0) xSrc += widthSrc;
if (widthDst < 0) xDst += widthDst;
if (heightSrc < 0) ySrc += heightSrc;
if (heightDst < 0) yDst += heightDst;
OffsetRect32( &rectSrc, -xSrc, -ySrc );
OffsetRect32( &rectDst, -xDst, -yDst );
/* FIXME: avoid BadMatch errors */
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->u.x.textPixel, dcDst->w.bitsPerPixel != 1 ?
dcDst->u.x.backgroundPixel :
dcSrc->u.x.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,
INT32 xSrc, INT32 ySrc, RECT32 *visRectSrc )
{
XImage *imageSrc, *imageDst;
register INT32 x, y;
INT32 width = visRectSrc->right - visRectSrc->left;
INT32 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 */
{
if (dcSrc->w.flags & DC_MEMORY)
imageSrc = XGetImage( display, dcSrc->u.x.drawable,
visRectSrc->left, visRectSrc->top,
width, height, AllPlanes, ZPixmap );
else
{
/* Make sure we don't get a BadMatch error */
XCopyArea( display, dcSrc->u.x.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,
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->u.x.textPixel] );
XSetForeground( display, gc,
COLOR_PixelToPalette[dcDst->u.x.backgroundPixel]);
}
else
{
XSetBackground( display, gc, dcDst->u.x.textPixel );
XSetForeground( display, gc, dcDst->u.x.backgroundPixel );
}
XCopyPlane( display, dcSrc->u.x.drawable, pixmap, gc,
visRectSrc->left, visRectSrc->top,
width, height, 0, 0, 1 );
}
else /* color -> monochrome */
{
/* FIXME: avoid BadMatch error */
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->u.x.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, RECT32 *visRectDst)
{
INT32 width = visRectDst->right - visRectDst->left;
INT32 height = visRectDst->bottom - visRectDst->top;
if (!COLOR_PixelToPalette || (dc->w.bitsPerPixel == 1) ||
(COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) )
{
XCopyArea( display, dc->u.x.drawable, pixmap, gc,
visRectDst->left, visRectDst->top, width, height, 0, 0 );
}
else
{
register INT32 x, y;
XImage *image;
if (dc->w.flags & DC_MEMORY)
image = XGetImage( display, dc->u.x.drawable,
visRectDst->left, visRectDst->top,
width, height, AllPlanes, ZPixmap );
else
{
/* Make sure we don't get a BadMatch error */
XCopyArea( display, dc->u.x.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,
COLOR_PixelToPalette[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, RECT32 *visRectDst)
{
INT32 width = visRectDst->right - visRectDst->left;
INT32 height = visRectDst->bottom - visRectDst->top;
/* !COLOR_PaletteToPixel is _NOT_ enough */
if (!COLOR_PaletteToPixel || (dc->w.bitsPerPixel == 1) ||
(COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) )
{
XCopyArea( display, pixmap, dc->u.x.drawable, gc, 0, 0,
width, height, visRectDst->left, visRectDst->top );
}
else
{
register INT32 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 BOOL32 BITBLT_GetVisRectangles( DC *dcDst, INT32 xDst, INT32 yDst,
INT32 widthDst, INT32 heightDst,
DC *dcSrc, INT32 xSrc, INT32 ySrc,
INT32 widthSrc, INT32 heightSrc,
RECT32 *visRectSrc, RECT32 *visRectDst )
{
RECT32 rect, clipRect;
/* Get the destination visible rectangle */
SetRect32( &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 );
GetRgnBox32( dcDst->w.hGCClipRgn, &clipRect );
if (!IntersectRect32( visRectDst, &rect, &clipRect )) return FALSE;
/* Get the source visible rectangle */
if (!dcSrc) return TRUE;
SetRect32( &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 (!IntersectRect32( visRectSrc, &rect, &dcSrc->w.totalExtent ))
return FALSE;
/* Intersect the rectangles */
if ((widthSrc == widthDst) && (heightSrc == heightDst)) /* no stretching */
{
OffsetRect32( visRectSrc, xDst - xSrc, yDst - ySrc );
if (!IntersectRect32( &rect, visRectSrc, visRectDst )) return FALSE;
*visRectSrc = *visRectDst = rect;
OffsetRect32( 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 );
InflateRect32( &rect, 1, 1 ); /* Avoid rounding errors */
if (!IntersectRect32( 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 );
InflateRect32( &rect, 1, 1 ); /* Avoid rounding errors */
if (!IntersectRect32( visRectSrc, &rect, visRectSrc )) return FALSE;
}
return TRUE;
}
/***********************************************************************
* BITBLT_InternalStretchBlt
*
* Implementation of PatBlt(), BitBlt() and StretchBlt().
*/
static BOOL32 BITBLT_InternalStretchBlt( DC *dcDst, INT32 xDst, INT32 yDst,
INT32 widthDst, INT32 heightDst,
DC *dcSrc, INT32 xSrc, INT32 ySrc,
INT32 widthSrc, INT32 heightSrc,
DWORD rop )
{
BOOL32 usePat, useSrc, useDst, destUsed, fStretch, fNullBrush;
RECT32 visRectDst, visRectSrc;
INT32 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->vportExtX / dcDst->wndExtX;
heightDst = heightDst * dcDst->vportExtY / dcDst->wndExtY;
TRACE(bitblt, " 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(bitblt, " 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(bitblt," 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(bitblt, " 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(bitblt, " 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(bitblt, " vissrc=none visdst=%d,%d-%d,%d\n",
visRectDst.left, visRectDst.top,
visRectDst.right, visRectDst.bottom );
}
width = visRectDst.right - visRectDst.left;
height = visRectDst.bottom - visRectDst.top;
if (!fStretch) switch(rop) /* A few optimisations */
{
case BLACKNESS: /* 0x00 */
if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
XSetFunction( display, dcDst->u.x.gc, GXclear );
else
{
XSetFunction( display, dcDst->u.x.gc, GXcopy );
XSetForeground( display, dcDst->u.x.gc, COLOR_PaletteToPixel[0] );
XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
}
XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
visRectDst.left, visRectDst.top, width, height );
return TRUE;
case DSTINVERT: /* 0x55 */
if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel ||
!Options.perfectGraphics)
{
XSetFunction( display, dcDst->u.x.gc, GXinvert );
if( COLOR_GetSystemPaletteFlags() & (COLOR_PRIVATE | COLOR_VIRTUAL) )
XSetFunction( display, dcDst->u.x.gc, GXinvert);
else
{
/* Xor is much better when we do not have full colormap. */
/* Using white^black ensures that we invert at least black */
/* and white. */
Pixel xor_pix = (WhitePixelOfScreen(screen) ^
BlackPixelOfScreen(screen));
XSetFunction( display, dcDst->u.x.gc, GXxor );
XSetForeground( display, dcDst->u.x.gc, xor_pix);
XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
}
XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
visRectDst.left, visRectDst.top, width, height );
return TRUE;
}
break;
case PATINVERT: /* 0x5a */
if (Options.perfectGraphics) break;
if (X11DRV_SetupGCForBrush( dcDst ))
{
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 0xa50065:
if (Options.perfectGraphics) break;
if (X11DRV_SetupGCForBrush( dcDst ))
{
XSetFunction( display, dcDst->u.x.gc, GXequiv );
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->u.x.textPixel );
XSetForeground( display, dcDst->u.x.gc, dcDst->u.x.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 (!X11DRV_SetupGCForBrush( dcDst )) return TRUE;
XSetFunction( display, dcDst->u.x.gc, GXcopy );
XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
visRectDst.left, visRectDst.top, width, height );
return TRUE;
case WHITENESS: /* 0xff */
if ((dcDst->w.bitsPerPixel == 1) || !COLOR_PaletteToPixel)
XSetFunction( display, dcDst->u.x.gc, GXset );
else
{
XSetFunction( display, dcDst->u.x.gc, GXcopy );
XSetForeground( display, dcDst->u.x.gc,
COLOR_PaletteToPixel[COLOR_GetSystemPaletteSize() - 1]);
XSetFillStyle( display, dcDst->u.x.gc, FillSolid );
}
XFillRectangle( display, dcDst->u.x.drawable, dcDst->u.x.gc,
visRectDst.left, visRectDst.top, width, height );
return TRUE;
}
tmpGC = XCreateGC( display, dcDst->u.x.drawable, 0, NULL );
pixmaps[DST] = XCreatePixmap( display, rootWindow, width, height,
dcDst->w.bitsPerPixel );
if (useSrc)
{
pixmaps[SRC] = XCreatePixmap( display, rootWindow, width, height,
dcDst->w.bitsPerPixel );
if (fStretch)
BITBLT_GetSrcAreaStretch( dcSrc, dcDst, pixmaps[SRC], tmpGC,
xSrc, ySrc, widthSrc, heightSrc,
xDst, yDst, widthDst, heightDst,
&visRectSrc, &visRectDst );
else
BITBLT_GetSrcArea( dcSrc, dcDst, pixmaps[SRC], tmpGC,
xSrc, ySrc, &visRectSrc );
}
if (useDst) BITBLT_GetDstArea( dcDst, pixmaps[DST], tmpGC, &visRectDst );
if (usePat) fNullBrush = !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, 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;
}
struct StretchBlt_params
{
DC *dcDst;
INT32 xDst;
INT32 yDst;
INT32 widthDst;
INT32 heightDst;
DC *dcSrc;
INT32 xSrc;
INT32 ySrc;
INT32 widthSrc;
INT32 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
*/
BOOL32 X11DRV_PatBlt( DC *dc, INT32 left, INT32 top,
INT32 width, INT32 height, DWORD rop )
{
struct StretchBlt_params params = { dc, left, top, width, height,
NULL, 0, 0, 0, 0, rop };
BOOL32 result;
DIB_UpdateDIBSection( dc, FALSE );
EnterCriticalSection( &X11DRV_CritSection );
result = (BOOL32)CALL_LARGE_STACK( BITBLT_DoStretchBlt, &params );
LeaveCriticalSection( &X11DRV_CritSection );
DIB_UpdateDIBSection( dc, TRUE );
return result;
}
/***********************************************************************
* X11DRV_BitBlt
*/
BOOL32 X11DRV_BitBlt( DC *dcDst, INT32 xDst, INT32 yDst,
INT32 width, INT32 height, DC *dcSrc,
INT32 xSrc, INT32 ySrc, DWORD rop )
{
struct StretchBlt_params params = { dcDst, xDst, yDst, width, height,
dcSrc, xSrc, ySrc, width, height, rop};
BOOL32 result;
DIB_UpdateDIBSection( dcDst, FALSE );
DIB_UpdateDIBSection( dcSrc, FALSE );
EnterCriticalSection( &X11DRV_CritSection );
result = (BOOL32)CALL_LARGE_STACK( BITBLT_DoStretchBlt, &params );
LeaveCriticalSection( &X11DRV_CritSection );
DIB_UpdateDIBSection( dcDst, TRUE );
return result;
}
/***********************************************************************
* X11DRV_StretchBlt
*/
BOOL32 X11DRV_StretchBlt( DC *dcDst, INT32 xDst, INT32 yDst,
INT32 widthDst, INT32 heightDst,
DC *dcSrc, INT32 xSrc, INT32 ySrc,
INT32 widthSrc, INT32 heightSrc, DWORD rop )
{
struct StretchBlt_params params = { dcDst, xDst, yDst, widthDst, heightDst,
dcSrc, xSrc, ySrc, widthSrc, heightSrc,
rop };
BOOL32 result;
DIB_UpdateDIBSection( dcDst, FALSE );
DIB_UpdateDIBSection( dcSrc, FALSE );
EnterCriticalSection( &X11DRV_CritSection );
result = (BOOL32)CALL_LARGE_STACK( BITBLT_DoStretchBlt, &params );
LeaveCriticalSection( &X11DRV_CritSection );
DIB_UpdateDIBSection( dcDst, TRUE );
return result;
}