/* * DIB driver blitting * * Copyright 2011 Huw Davies * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include "ntgdi_private.h" #include "dibdrv.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(dib); #define DST 0 /* Destination dib */ #define SRC 1 /* Source dib */ #define TMP 2 /* Temporary dib */ #define PAT 3 /* Pattern (brush) in destination DC */ #define OP(src,dst,rop) (OP_ARGS(src,dst) << 4 | ((rop) - 1)) #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) + 1) #define MAX_OP_LEN 6 /* Longest opcode + 1 for the terminating 0 */ static const unsigned char BITBLT_Opcodes[256][MAX_OP_LEN] = { { OP(PAT,DST,R2_BLACK) }, /* 0x00 0 */ { OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x01 ~(D|(P|S)) */ { OP(PAT,SRC,R2_NOTMERGEPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x02 D&~(P|S) */ { OP(PAT,SRC,R2_NOTMERGEPEN) }, /* 0x03 ~(P|S) */ { OP(PAT,DST,R2_NOTMERGEPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x04 S&~(D|P) */ { OP(PAT,DST,R2_NOTMERGEPEN) }, /* 0x05 ~(D|P) */ { OP(SRC,DST,R2_NOTXORPEN), OP(PAT,DST,R2_NOTMERGEPEN), }, /* 0x06 ~(P|~(D^S)) */ { OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_NOTMERGEPEN) }, /* 0x07 ~(P|(D&S)) */ { OP(PAT,DST,R2_MASKNOTPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x08 S&D&~P */ { OP(SRC,DST,R2_XORPEN), OP(PAT,DST,R2_NOTMERGEPEN) }, /* 0x09 ~(P|(D^S)) */ { OP(PAT,DST,R2_MASKNOTPEN) }, /* 0x0a D&~P */ { OP(SRC,DST,R2_MASKPENNOT), OP(PAT,DST,R2_NOTMERGEPEN) }, /* 0x0b ~(P|(S&~D)) */ { OP(PAT,SRC,R2_MASKNOTPEN) }, /* 0x0c S&~P */ { OP(SRC,DST,R2_MASKNOTPEN), OP(PAT,DST,R2_NOTMERGEPEN) }, /* 0x0d ~(P|(D&~S)) */ { OP(SRC,DST,R2_NOTMERGEPEN), OP(PAT,DST,R2_NOTMERGEPEN) }, /* 0x0e ~(P|~(D|S)) */ { OP(PAT,DST,R2_NOTCOPYPEN) }, /* 0x0f ~P */ { OP(SRC,DST,R2_NOTMERGEPEN), OP(PAT,DST,R2_MASKPEN) }, /* 0x10 P&~(S|D) */ { OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x11 ~(D|S) */ { OP(PAT,DST,R2_NOTXORPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x12 ~(S|~(D^P)) */ { OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x13 ~(S|(D&P)) */ { OP(PAT,SRC,R2_NOTXORPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x14 ~(D|~(P^S)) */ { OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x15 ~(D|(P&S)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_NOTMASKPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x16 P^S^(D&~(P&S) */ { OP(SRC,TMP,R2_COPYPEN), OP(SRC,DST,R2_XORPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x17 ~S^((S^P)&(S^D))*/ { OP(PAT,SRC,R2_XORPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x18 (S^P)&(D^P) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_NOTMASKPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x19 ~S^(D&~(P&S)) */ { OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x1a P^(D|(S&P)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x1b ~S^(D&(P^S)) */ { OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x1c P^(S|(D&P)) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x1d ~D^(S&(D^P)) */ { OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x1e P^(D|S) */ { OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_NOTMASKPEN) }, /* 0x1f ~(P&(D|S)) */ { OP(PAT,SRC,R2_MASKPENNOT), OP(SRC,DST,R2_MASKPEN) }, /* 0x20 D&(P&~S) */ { OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x21 ~(S|(D^P)) */ { OP(SRC,DST,R2_MASKNOTPEN) }, /* 0x22 ~S&D */ { OP(PAT,DST,R2_MASKPENNOT), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x23 ~(S|(P&~D)) */ { OP(SRC,DST,R2_XORPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x24 (S^P)&(S^D) */ { OP(PAT,SRC,R2_NOTMASKPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0x25 ~P^(D&~(S&P)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x26 S^(D|(S&P)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_NOTXORPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x27 S^(D|~(P^S)) */ { OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x28 D&(P^S) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0x29 ~P^S^(D|(P&S)) */ { OP(PAT,SRC,R2_NOTMASKPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x2a D&~(P&S) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_XORPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x2b ~S^((P^S)&(P^D))*/ { OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x2c S^(P&(S|D)) */ { OP(SRC,DST,R2_MERGEPENNOT), OP(PAT,DST,R2_XORPEN) }, /* 0x2d P^(S|~D) */ { OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x2e P^(S|(D^P)) */ { OP(SRC,DST,R2_MERGEPENNOT), OP(PAT,DST,R2_NOTMASKPEN) }, /* 0x2f ~(P&(S|~D)) */ { OP(PAT,SRC,R2_MASKPENNOT) }, /* 0x30 P&~S */ { OP(PAT,DST,R2_MASKNOTPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x31 ~(S|(D&~P)) */ { OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x32 S^(D|P|S) */ { OP(SRC,DST,R2_NOTCOPYPEN) }, /* 0x33 ~S */ { OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x34 S^(P|(D&S)) */ { OP(SRC,DST,R2_NOTXORPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x35 S^(P|~(D^S)) */ { OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x36 S^(D|P) */ { OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x37 ~(S&(D|P)) */ { OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x38 P^(S&(D|P)) */ { OP(PAT,DST,R2_MERGEPENNOT), OP(SRC,DST,R2_XORPEN) }, /* 0x39 S^(P|~D) */ { OP(SRC,DST,R2_XORPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x3a S^(P|(D^S)) */ { OP(PAT,DST,R2_MERGEPENNOT), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x3b ~(S&(P|~D)) */ { OP(PAT,SRC,R2_XORPEN) }, /* 0x3c P^S */ { OP(SRC,DST,R2_NOTMERGEPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x3d S^(P|~(D|S)) */ { OP(SRC,DST,R2_MASKNOTPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x3e S^(P|(D&~S)) */ { OP(PAT,SRC,R2_NOTMASKPEN) }, /* 0x3f ~(P&S) */ { OP(SRC,DST,R2_MASKPENNOT), OP(PAT,DST,R2_MASKPEN) }, /* 0x40 P&S&~D */ { OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x41 ~(D|(P^S)) */ { OP(DST,SRC,R2_XORPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x42 (S^D)&(P^D) */ { OP(SRC,DST,R2_NOTMASKPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0x43 ~S^(P&~(D&S)) */ { OP(SRC,DST,R2_MASKPENNOT) }, /* 0x44 S&~D */ { OP(PAT,SRC,R2_MASKPENNOT), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x45 ~(D|(P&~S)) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x46 D^(S|(P&D)) */ { OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0x47 ~P^(S&(D^P)) */ { OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x48 S&(P^D) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0x49 ~P^D^(S|(P&D)) */ { OP(DST,SRC,R2_MERGEPEN), OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x4a D^(P&(S|D)) */ { OP(SRC,DST,R2_MERGENOTPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x4b P^(D|~S) */ { OP(PAT,DST,R2_NOTMASKPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x4c S&~(D&P) */ { OP(SRC,TMP,R2_COPYPEN), OP(SRC,DST,R2_XORPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x4d ~S^((S^P)|(S^D))*/ { OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x4e P^(D|(S^P)) */ { OP(SRC,DST,R2_MERGENOTPEN), OP(PAT,DST,R2_NOTMASKPEN) }, /* 0x4f ~(P&(D|~S)) */ { OP(PAT,DST,R2_MASKPENNOT) }, /* 0x50 P&~D */ { OP(PAT,SRC,R2_MASKNOTPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x51 ~(D|(S&~P)) */ { OP(DST,SRC,R2_MASKPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x52 D^(P|(S&D)) */ { OP(SRC,DST,R2_XORPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0x53 ~S^(P&(D^S)) */ { OP(PAT,SRC,R2_NOTMERGEPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x54 ~(D|~(P|S)) */ { OP(PAT,DST,R2_NOT) }, /* 0x55 ~D */ { OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x56 D^(P|S) */ { OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x57 ~(D&(P|S)) */ { OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x58 P^(D&(P|S)) */ { OP(PAT,SRC,R2_MERGEPENNOT), OP(SRC,DST,R2_XORPEN) }, /* 0x59 D^(P|~S) */ { OP(PAT,DST,R2_XORPEN) }, /* 0x5a D^P */ { OP(DST,SRC,R2_NOTMERGEPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x5b D^(P|~(S|D)) */ { OP(DST,SRC,R2_XORPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x5c D^(P|(S^D)) */ { OP(PAT,SRC,R2_MERGEPENNOT), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x5d ~(D&(P|~S)) */ { OP(DST,SRC,R2_MASKNOTPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x5e D^(P|(S&~D)) */ { OP(PAT,DST,R2_NOTMASKPEN) }, /* 0x5f ~(D&P) */ { OP(SRC,DST,R2_XORPEN), OP(PAT,DST,R2_MASKPEN) }, /* 0x60 P&(D^S) */ { OP(DST,TMP,R2_COPYPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x61 ~D^S^(P|(D&S)) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x62 D^(S&(P|D)) */ { OP(PAT,DST,R2_MERGENOTPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x63 S^(D|~P) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x64 S^(D&(P|S)) */ { OP(PAT,SRC,R2_MERGENOTPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x65 D^(S|~P) */ { OP(SRC,DST,R2_XORPEN) }, /* 0x66 S^D */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_NOTMERGEPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x67 S^(D|~(S|P) */ { OP(DST,TMP,R2_COPYPEN), OP(SRC,DST,R2_NOTMERGEPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x68 ~D^S^(P|~(D|S))*/ { OP(SRC,DST,R2_XORPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0x69 ~P^(D^S) */ { OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x6a D^(P&S) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0x6b ~P^S^(D&(P|S)) */ { OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x6c S^(D&P) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0x6d ~P^D^(S&(P|D)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MERGEPENNOT), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x6e S^(D&(P|~S)) */ { OP(SRC,DST,R2_NOTXORPEN), OP(PAT,DST,R2_NOTMASKPEN) }, /* 0x6f ~(P&~(S^D)) */ { OP(SRC,DST,R2_NOTMASKPEN), OP(PAT,DST,R2_MASKPEN) }, /* 0x70 P&~(D&S) */ { OP(SRC,TMP,R2_COPYPEN), OP(DST,SRC,R2_XORPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x71 ~S^((S^D)&(P^D))*/ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x72 S^(D|(P^S)) */ { OP(PAT,DST,R2_MERGENOTPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x73 ~(S&(D|~P)) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x74 D^(S|(P^D)) */ { OP(PAT,SRC,R2_MERGENOTPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x75 ~(D&(S|~P)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MASKPENNOT), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x76 S^(D|(P&~S)) */ { OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x77 ~(S&D) */ { OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_XORPEN) }, /* 0x78 P^(D&S) */ { OP(DST,TMP,R2_COPYPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_XORPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x79 ~D^S^(P&(D|S)) */ { OP(DST,SRC,R2_MERGENOTPEN), OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x7a D^(P&(S|~D)) */ { OP(PAT,DST,R2_NOTXORPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x7b ~(S&~(D^P)) */ { OP(SRC,DST,R2_MERGENOTPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x7c S^(P&(D|~S)) */ { OP(PAT,SRC,R2_NOTXORPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x7d ~(D&~(P^S)) */ { OP(SRC,DST,R2_XORPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0x7e (S^P)|(S^D) */ { OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0x7f ~(D&P&S) */ { OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x80 D&P&S */ { OP(SRC,DST,R2_XORPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_NOTMERGEPEN) }, /* 0x81 ~((S^P)|(S^D)) */ { OP(PAT,SRC,R2_NOTXORPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x82 D&~(P^S) */ { OP(SRC,DST,R2_MERGENOTPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0x83 ~S^(P&(D|~S)) */ { OP(PAT,DST,R2_NOTXORPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x84 S&~(D^P) */ { OP(PAT,SRC,R2_MERGENOTPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0x85 ~P^(D&(S|~P)) */ { OP(DST,TMP,R2_COPYPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_XORPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x86 D^S^(P&(D|S)) */ { OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0x87 ~P^(D&S) */ { OP(SRC,DST,R2_MASKPEN) }, /* 0x88 S&D */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MASKPENNOT), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x89 ~S^(D|(P&~S)) */ { OP(PAT,SRC,R2_MERGENOTPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x8a D&(S|~P) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x8b ~D^(S|(P^D)) */ { OP(PAT,DST,R2_MERGENOTPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0x8c S&(D|~P) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x8d ~S^(D|(P^S)) */ { OP(SRC,TMP,R2_COPYPEN), OP(DST,SRC,R2_XORPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x8e S^((S^D)&(P^D))*/ { OP(SRC,DST,R2_NOTMASKPEN), OP(PAT,DST,R2_NOTMASKPEN) }, /* 0x8f ~(P&~(D&S)) */ { OP(SRC,DST,R2_NOTXORPEN), OP(PAT,DST,R2_MASKPEN) }, /* 0x90 P&~(D^S) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MERGEPENNOT), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x91 ~S^(D&(P|~S)) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_XORPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x92 D^P^(S&(D|P)) */ { OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0x93 ~S^(P&D) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_XORPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x94 S^P^(D&(P|S)) */ { OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0x95 ~D^(P&S) */ { OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_XORPEN) }, /* 0x96 D^P^S */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_NOTMERGEPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_XORPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x97 S^P^(D|~(P|S)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_NOTMERGEPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x98 ~S^(D|~(P|S)) */ { OP(SRC,DST,R2_NOTXORPEN) }, /* 0x99 ~S^D */ { OP(PAT,SRC,R2_MASKPENNOT), OP(SRC,DST,R2_XORPEN) }, /* 0x9a D^(P&~S) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x9b ~S^(D&(P|S)) */ { OP(PAT,DST,R2_MASKPENNOT), OP(SRC,DST,R2_XORPEN) }, /* 0x9c S^(P&~D) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0x9d ~D^(S&(P|D)) */ { OP(DST,TMP,R2_COPYPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_XORPEN), OP(TMP,DST,R2_XORPEN) }, /* 0x9e D^S^(P|(D&S)) */ { OP(SRC,DST,R2_XORPEN), OP(PAT,DST,R2_NOTMASKPEN) }, /* 0x9f ~(P&(D^S)) */ { OP(PAT,DST,R2_MASKPEN) }, /* 0xa0 D&P */ { OP(PAT,SRC,R2_MASKNOTPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0xa1 ~P^(D|(S&~P)) */ { OP(PAT,SRC,R2_MERGEPENNOT), OP(SRC,DST,R2_MASKPEN) }, /* 0xa2 D&(P|~S) */ { OP(DST,SRC,R2_XORPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xa3 ~D^(P|(S^D)) */ { OP(PAT,SRC,R2_NOTMERGEPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0xa4 ~P^(D|~(S|P)) */ { OP(PAT,DST,R2_NOTXORPEN) }, /* 0xa5 ~P^D */ { OP(PAT,SRC,R2_MASKNOTPEN), OP(SRC,DST,R2_XORPEN) }, /* 0xa6 D^(S&~P) */ { OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0xa7 ~P^(D&(S|P)) */ { OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0xa8 D&(P|S) */ { OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xa9 ~D^(P|S) */ { OP(PAT,DST,R2_NOP) }, /* 0xaa D */ { OP(PAT,SRC,R2_NOTMERGEPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xab D|~(P|S) */ { OP(SRC,DST,R2_XORPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0xac S^(P&(D^S)) */ { OP(DST,SRC,R2_MASKPEN), OP(PAT,SRC,R2_MERGEPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xad ~D^(P|(S&D)) */ { OP(PAT,SRC,R2_MASKNOTPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xae D|(S&~P) */ { OP(PAT,DST,R2_MERGENOTPEN) }, /* 0xaf D|~P */ { OP(SRC,DST,R2_MERGENOTPEN), OP(PAT,DST,R2_MASKPEN) }, /* 0xb0 P&(D|~S) */ { OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0xb1 ~P^(D|(S^P)) */ { OP(SRC,TMP,R2_COPYPEN), OP(SRC,DST,R2_XORPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_XORPEN) }, /* 0xb2 S^((S^P)|(S^D))*/ { OP(PAT,DST,R2_NOTMASKPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0xb3 ~(S&~(D&P)) */ { OP(SRC,DST,R2_MASKPENNOT), OP(PAT,DST,R2_XORPEN) }, /* 0xb4 P^(S&~D) */ { OP(DST,SRC,R2_MERGEPEN), OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xb5 ~D^(P&(S|D)) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_XORPEN), OP(TMP,DST,R2_XORPEN) }, /* 0xb6 D^P^(S|(D&P)) */ { OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0xb7 ~(S&(D^P)) */ { OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_XORPEN) }, /* 0xb8 P^(S&(D^P)) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0xb9 ~D^(S|(P&D)) */ { OP(PAT,SRC,R2_MASKPENNOT), OP(SRC,DST,R2_MERGEPEN) }, /* 0xba D|(P&~S) */ { OP(SRC,DST,R2_MERGENOTPEN) }, /* 0xbb ~S|D */ { OP(SRC,DST,R2_NOTMASKPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0xbc S^(P&~(D&S)) */ { OP(DST,SRC,R2_XORPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0xbd ~((S^D)&(P^D)) */ { OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xbe D|(P^S) */ { OP(PAT,SRC,R2_NOTMASKPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xbf D|~(P&S) */ { OP(PAT,SRC,R2_MASKPEN) }, /* 0xc0 P&S */ { OP(SRC,DST,R2_MASKNOTPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xc1 ~S^(P|(D&~S)) */ { OP(SRC,DST,R2_NOTMERGEPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xc2 ~S^(P|~(D|S)) */ { OP(PAT,SRC,R2_NOTXORPEN) }, /* 0xc3 ~P^S */ { OP(PAT,DST,R2_MERGEPENNOT), OP(SRC,DST,R2_MASKPEN) }, /* 0xc4 S&(P|~D) */ { OP(SRC,DST,R2_XORPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xc5 ~S^(P|(D^S)) */ { OP(PAT,DST,R2_MASKNOTPEN), OP(SRC,DST,R2_XORPEN) }, /* 0xc6 S^(D&~P) */ { OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0xc7 ~P^(S&(D|P)) */ { OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_MASKPEN) }, /* 0xc8 S&(D|P) */ { OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xc9 ~S^(P|D) */ { OP(DST,SRC,R2_XORPEN), OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0xca D^(P&(S^D)) */ { OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_MERGEPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xcb ~S^(P|(D&S)) */ { OP(SRC,DST,R2_COPYPEN) }, /* 0xcc S */ { OP(PAT,DST,R2_NOTMERGEPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xcd S|~(D|P) */ { OP(PAT,DST,R2_MASKNOTPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xce S|(D&~P) */ { OP(PAT,SRC,R2_MERGENOTPEN) }, /* 0xcf S|~P */ { OP(SRC,DST,R2_MERGEPENNOT), OP(PAT,DST,R2_MASKPEN) }, /* 0xd0 P&(S|~D) */ { OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0xd1 ~P^(S|(D^P)) */ { OP(SRC,DST,R2_MASKNOTPEN), OP(PAT,DST,R2_XORPEN) }, /* 0xd2 P^(D&~S) */ { OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_NOTXORPEN) }, /* 0xd3 ~S^(P&(D|S)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_XORPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN) }, /* 0xd4 S^((S^P)&(D^P))*/ { OP(PAT,SRC,R2_NOTMASKPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0xd5 ~(D&~(P&S)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_XORPEN), OP(TMP,DST,R2_XORPEN) }, /* 0xd6 S^P^(D|(P&S)) */ { OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0xd7 ~(D&(P^S)) */ { OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_XORPEN) }, /* 0xd8 P^(D&(S^P)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0xd9 ~S^(D|(P&S)) */ { OP(DST,SRC,R2_NOTMASKPEN), OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_XORPEN) }, /* 0xda D^(P&~(S&D)) */ { OP(SRC,DST,R2_XORPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0xdb ~((S^P)&(S^D)) */ { OP(PAT,DST,R2_MASKPENNOT), OP(SRC,DST,R2_MERGEPEN) }, /* 0xdc S|(P&~D) */ { OP(SRC,DST,R2_MERGEPENNOT) }, /* 0xdd S|~D */ { OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xde S|(D^P) */ { OP(PAT,DST,R2_NOTMASKPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xdf S|~(D&P) */ { OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_MASKPEN) }, /* 0xe0 P&(D|S) */ { OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0xe1 ~P^(D|S) */ { OP(DST,TMP,R2_COPYPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN) }, /* 0xe2 D^(S&(P^D)) */ { OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0xe3 ~P^(S|(D&P)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN) }, /* 0xe4 S^(D&(P^S)) */ { OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_NOTXORPEN) }, /* 0xe5 ~P^(D|(S&P)) */ { OP(SRC,TMP,R2_COPYPEN), OP(PAT,SRC,R2_NOTMASKPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN) }, /* 0xe6 S^(D&~(P&S)) */ { OP(PAT,SRC,R2_XORPEN), OP(PAT,DST,R2_XORPEN), OP(SRC,DST,R2_NOTMASKPEN) }, /* 0xe7 ~((S^P)&(D^P)) */ { OP(SRC,TMP,R2_COPYPEN), OP(SRC,DST,R2_XORPEN), OP(PAT,SRC,R2_XORPEN), OP(SRC,DST,R2_MASKPEN), OP(TMP,DST,R2_XORPEN) }, /* 0xe8 S^((S^P)&(S^D))*/ { OP(DST,TMP,R2_COPYPEN), OP(SRC,DST,R2_NOTMASKPEN), OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_XORPEN), OP(TMP,DST,R2_NOTXORPEN) }, /* 0xe9 ~D^S^(P&~(S&D))*/ { OP(PAT,SRC,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xea D|(P&S) */ { OP(PAT,SRC,R2_NOTXORPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xeb D|~(P^S) */ { OP(PAT,DST,R2_MASKPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xec S|(D&P) */ { OP(PAT,DST,R2_NOTXORPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xed S|~(D^P) */ { OP(SRC,DST,R2_MERGEPEN) }, /* 0xee S|D */ { OP(PAT,DST,R2_MERGENOTPEN), OP(SRC,DST,R2_MERGEPEN) }, /* 0xef S|D|~P */ { OP(PAT,DST,R2_COPYPEN) }, /* 0xf0 P */ { OP(SRC,DST,R2_NOTMERGEPEN), OP(PAT,DST,R2_MERGEPEN) }, /* 0xf1 P|~(D|S) */ { OP(SRC,DST,R2_MASKNOTPEN), OP(PAT,DST,R2_MERGEPEN) }, /* 0xf2 P|(D&~S) */ { OP(PAT,SRC,R2_MERGEPENNOT) }, /* 0xf3 P|~S */ { OP(SRC,DST,R2_MASKPENNOT), OP(PAT,DST,R2_MERGEPEN) }, /* 0xf4 P|(S&~D) */ { OP(PAT,DST,R2_MERGEPENNOT) }, /* 0xf5 P|~D */ { OP(SRC,DST,R2_XORPEN), OP(PAT,DST,R2_MERGEPEN) }, /* 0xf6 P|(D^S) */ { OP(SRC,DST,R2_NOTMASKPEN), OP(PAT,DST,R2_MERGEPEN) }, /* 0xf7 P|~(S&D) */ { OP(SRC,DST,R2_MASKPEN), OP(PAT,DST,R2_MERGEPEN) }, /* 0xf8 P|(D&S) */ { OP(SRC,DST,R2_NOTXORPEN), OP(PAT,DST,R2_MERGEPEN) }, /* 0xf9 P|~(D^S) */ { OP(PAT,DST,R2_MERGEPEN) }, /* 0xfa D|P */ { OP(PAT,SRC,R2_MERGEPENNOT), OP(SRC,DST,R2_MERGEPEN) }, /* 0xfb D|P|~S */ { OP(PAT,SRC,R2_MERGEPEN) }, /* 0xfc P|S */ { OP(SRC,DST,R2_MERGEPENNOT), OP(PAT,DST,R2_MERGEPEN) }, /* 0xfd P|S|~D */ { OP(SRC,DST,R2_MERGEPEN), OP(PAT,DST,R2_MERGEPEN) }, /* 0xfe P|D|S */ { OP(PAT,DST,R2_WHITE) } /* 0xff 1 */ }; static int get_overlap( const dib_info *dst, const RECT *dst_rect, const dib_info *src, const RECT *src_rect ) { const char *src_top, *dst_top; int height, ret = 0; if (dst->stride != src->stride) return 0; /* can't be the same dib */ if (dst->rect.left + dst_rect->right <= src->rect.left + src_rect->left) return 0; if (dst->rect.left + dst_rect->left >= src->rect.left + src_rect->right) return 0; src_top = (const char *)src->bits.ptr + (src->rect.top + src_rect->top) * src->stride; dst_top = (const char *)dst->bits.ptr + (dst->rect.top + dst_rect->top) * dst->stride; height = (dst_rect->bottom - dst_rect->top) * dst->stride; if (dst->stride > 0) { if (src_top >= dst_top + height) return 0; if (src_top + height <= dst_top) return 0; if (dst_top < src_top) ret |= OVERLAP_ABOVE; else if (dst_top > src_top) ret |= OVERLAP_BELOW; } else { if (src_top <= dst_top + height) return 0; if (src_top + height >= dst_top) return 0; if (dst_top > src_top) ret |= OVERLAP_ABOVE; else if (dst_top < src_top) ret |= OVERLAP_BELOW; } if (dst->rect.left + dst_rect->left < src->rect.left + src_rect->left) ret |= OVERLAP_LEFT; else if (dst->rect.left + dst_rect->left > src->rect.left + src_rect->left) ret |= OVERLAP_RIGHT; return ret; } static void copy_rect( dib_info *dst, const RECT *dst_rect, const dib_info *src, const RECT *src_rect, const struct clipped_rects *clipped_rects, INT rop2 ) { POINT origin; const RECT *rects; int i, count, start, end, overlap; DWORD and = 0, xor = 0; if (clipped_rects) { rects = clipped_rects->rects; count = clipped_rects->count; } else { rects = dst_rect; count = 1; } switch (rop2) { case R2_NOT: and = ~0u; /* fall through */ case R2_WHITE: xor = ~0u; /* fall through */ case R2_BLACK: dst->funcs->solid_rects( dst, count, rects, and, xor ); /* fall through */ case R2_NOP: return; } overlap = get_overlap( dst, dst_rect, src, src_rect ); if (overlap & OVERLAP_BELOW) { if (overlap & OVERLAP_RIGHT) /* right to left, bottom to top */ { for (i = count - 1; i >= 0; i--) { origin.x = src_rect->left + rects[i].left - dst_rect->left; origin.y = src_rect->top + rects[i].top - dst_rect->top; dst->funcs->copy_rect( dst, &rects[i], src, &origin, rop2, overlap ); } } else /* left to right, bottom to top */ { for (start = count - 1; start >= 0; start = end) { for (end = start - 1; end >= 0; end--) if (rects[start].top != rects[end].top) break; for (i = end + 1; i <= start; i++) { origin.x = src_rect->left + rects[i].left - dst_rect->left; origin.y = src_rect->top + rects[i].top - dst_rect->top; dst->funcs->copy_rect( dst, &rects[i], src, &origin, rop2, overlap ); } } } } else if (overlap & OVERLAP_RIGHT) /* right to left, top to bottom */ { for (start = 0; start < count; start = end) { for (end = start + 1; end < count; end++) if (rects[start].top != rects[end].top) break; for (i = end - 1; i >= start; i--) { origin.x = src_rect->left + rects[i].left - dst_rect->left; origin.y = src_rect->top + rects[i].top - dst_rect->top; dst->funcs->copy_rect( dst, &rects[i], src, &origin, rop2, overlap ); } } } else /* left to right, top to bottom */ { for (i = 0; i < count; i++) { origin.x = src_rect->left + rects[i].left - dst_rect->left; origin.y = src_rect->top + rects[i].top - dst_rect->top; dst->funcs->copy_rect( dst, &rects[i], src, &origin, rop2, overlap ); } } } static void mask_rect( dib_info *dst, const RECT *dst_rect, const dib_info *src, const RECT *src_rect, const struct clipped_rects *clipped_rects, INT rop2 ) { POINT origin; const RECT *rects; int i, count; if (rop2 == R2_BLACK || rop2 == R2_NOT || rop2 == R2_NOP || rop2 == R2_WHITE) return copy_rect( dst, dst_rect, src, src_rect, clipped_rects, rop2 ); if (clipped_rects) { rects = clipped_rects->rects; count = clipped_rects->count; } else { rects = dst_rect; count = 1; } for (i = 0; i < count; i++) { origin.x = src_rect->left + rects[i].left - dst_rect->left; origin.y = src_rect->top + rects[i].top - dst_rect->top; dst->funcs->mask_rect( dst, &rects[i], src, &origin, rop2 ); } } static DWORD blend_rect( dib_info *dst, const RECT *dst_rect, const dib_info *src, const RECT *src_rect, HRGN clip, BLENDFUNCTION blend ) { POINT offset; struct clipped_rects clipped_rects; if (!get_clipped_rects( dst, dst_rect, clip, &clipped_rects )) return ERROR_SUCCESS; offset.x = src_rect->left - dst_rect->left; offset.y = src_rect->top - dst_rect->top; dst->funcs->blend_rects( dst, clipped_rects.count, clipped_rects.rects, src, &offset, blend ); free_clipped_rects( &clipped_rects ); return ERROR_SUCCESS; } /* compute y-ordered, device coords vertices for a horizontal rectangle gradient */ static void get_gradient_hrect_vertices( const GRADIENT_RECT *rect, const TRIVERTEX *vert, const POINT *dev_pts, TRIVERTEX v[2], RECT *bounds ) { int v0 = rect->UpperLeft; int v1 = rect->LowerRight; if (dev_pts[v1].x < dev_pts[v0].x) /* swap the colors */ { v0 = rect->LowerRight; v1 = rect->UpperLeft; } v[0] = vert[v0]; v[1] = vert[v1]; bounds->left = v[0].x = dev_pts[v0].x; bounds->right = v[1].x = dev_pts[v1].x; bounds->top = v[0].y = min( dev_pts[v0].y, dev_pts[v1].y ); bounds->bottom = v[1].y = max( dev_pts[v0].y, dev_pts[v1].y ); } /* compute y-ordered, device coords vertices for a vertical rectangle gradient */ static void get_gradient_vrect_vertices( const GRADIENT_RECT *rect, const TRIVERTEX *vert, const POINT *dev_pts, TRIVERTEX v[2], RECT *bounds ) { int v0 = rect->UpperLeft; int v1 = rect->LowerRight; if (dev_pts[v1].y < dev_pts[v0].y) /* swap the colors */ { v0 = rect->LowerRight; v1 = rect->UpperLeft; } v[0] = vert[v0]; v[1] = vert[v1]; bounds->left = v[0].x = min( dev_pts[v0].x, dev_pts[v1].x ); bounds->right = v[1].x = max( dev_pts[v0].x, dev_pts[v1].x ); bounds->top = v[0].y = dev_pts[v0].y; bounds->bottom = v[1].y = dev_pts[v1].y; } /* compute y-ordered, device coords vertices for a triangle gradient */ static void get_gradient_triangle_vertices( const GRADIENT_TRIANGLE *tri, const TRIVERTEX *vert, const POINT *dev_pts, TRIVERTEX v[3], RECT *bounds ) { int v0, v1, v2; if (dev_pts[tri->Vertex1].y > dev_pts[tri->Vertex2].y) { if (dev_pts[tri->Vertex3].y < dev_pts[tri->Vertex2].y) { v0 = tri->Vertex3; v1 = tri->Vertex2; v2 = tri->Vertex1; } else if (dev_pts[tri->Vertex3].y < dev_pts[tri->Vertex1].y) { v0 = tri->Vertex2; v1 = tri->Vertex3; v2 = tri->Vertex1; } else { v0 = tri->Vertex2; v1 = tri->Vertex1; v2 = tri->Vertex3; } } else { if (dev_pts[tri->Vertex3].y < dev_pts[tri->Vertex1].y) { v0 = tri->Vertex3; v1 = tri->Vertex1; v2 = tri->Vertex2; } else if (dev_pts[tri->Vertex3].y < dev_pts[tri->Vertex2].y) { v0 = tri->Vertex1; v1 = tri->Vertex3; v2 = tri->Vertex2; } else { v0 = tri->Vertex1; v1 = tri->Vertex2; v2 = tri->Vertex3; } } v[0] = vert[v0]; v[1] = vert[v1]; v[2] = vert[v2]; v[0].x = dev_pts[v0].x; v[0].y = dev_pts[v0].y; v[1].y = dev_pts[v1].y; v[1].x = dev_pts[v1].x; v[2].x = dev_pts[v2].x; v[2].y = dev_pts[v2].y; bounds->left = min( v[0].x, min( v[1].x, v[2].x )); bounds->top = v[0].y; bounds->right = max( v[0].x, max( v[1].x, v[2].x )); bounds->bottom = v[2].y; } static BOOL gradient_rect( dib_info *dib, TRIVERTEX *v, int mode, HRGN clip, const RECT *bounds ) { int i; struct clipped_rects clipped_rects; BOOL ret = TRUE; if (!get_clipped_rects( dib, bounds, clip, &clipped_rects )) return TRUE; for (i = 0; i < clipped_rects.count; i++) { if (!(ret = dib->funcs->gradient_rect( dib, &clipped_rects.rects[i], v, mode ))) break; } free_clipped_rects( &clipped_rects ); return ret; } static DWORD copy_src_bits( dib_info *src, RECT *src_rect ) { int y, stride = get_dib_stride( src->width, src->bit_count ); int height = src_rect->bottom - src_rect->top; void *ptr = HeapAlloc( GetProcessHeap(), 0, stride * height ); if (!ptr) return ERROR_OUTOFMEMORY; for (y = 0; y < height; y++) memcpy( (char *)ptr + y * stride, (char *)src->bits.ptr + (src->rect.top + src_rect->top + y) * src->stride, stride ); src->stride = stride; src->height = height; src->rect.top = 0; src->rect.bottom = height; if (src->bits.free) src->bits.free( &src->bits ); src->bits.is_copy = TRUE; src->bits.ptr = ptr; src->bits.free = free_heap_bits; src->bits.param = NULL; offset_rect( src_rect, 0, -src_rect->top ); return ERROR_SUCCESS; } static DWORD create_tmp_dib( const dib_info *copy, int width, int height, dib_info *ret ) { copy_dib_color_info( ret, copy ); ret->width = width; ret->height = height; ret->stride = get_dib_stride( width, ret->bit_count ); ret->rect.left = 0; ret->rect.top = 0; ret->rect.right = width; ret->rect.bottom = height; ret->bits.ptr = HeapAlloc( GetProcessHeap(), 0, ret->height * ret->stride ); ret->bits.is_copy = TRUE; ret->bits.free = free_heap_bits; ret->bits.param = NULL; return ret->bits.ptr ? ERROR_SUCCESS : ERROR_OUTOFMEMORY; } static DWORD execute_rop( dibdrv_physdev *pdev, const RECT *dst_rect, dib_info *src, const RECT *src_rect, const struct clipped_rects *clipped_rects, const POINT *brush_org, DWORD rop ) { dib_info *dibs[3], *result = src, tmp; RECT rects[3]; POINT origin; int width = dst_rect->right - dst_rect->left; int height = dst_rect->bottom - dst_rect->top; const BYTE *opcode = BITBLT_Opcodes[(rop >> 16) & 0xff]; DWORD err; dibs[SRC] = src; dibs[DST] = &pdev->dib; dibs[TMP] = 0; rects[SRC] = *src_rect; rects[DST] = *dst_rect; rects[TMP] = *dst_rect; offset_rect( &rects[TMP], -rects[TMP].left, -rects[TMP].top ); for ( ; *opcode; opcode++) { if (OP_DST(*opcode) == DST) result = dibs[DST]; if (OP_DST(*opcode) == SRC && src->bits.is_copy == FALSE) { err = copy_src_bits( src, &rects[SRC] ); if (err) return err; } if (OP_DST(*opcode) == TMP && !dibs[TMP]) { err = create_tmp_dib( &pdev->dib, width, height, &tmp ); if (err) return err; dibs[TMP] = &tmp; } switch(OP_SRCDST(*opcode)) { case OP_ARGS(DST,TMP): case OP_ARGS(SRC,TMP): case OP_ARGS(DST,SRC): case OP_ARGS(SRC,DST): case OP_ARGS(TMP,SRC): case OP_ARGS(TMP,DST): copy_rect( dibs[OP_DST(*opcode)], &rects[OP_DST(*opcode)], dibs[OP_SRC(*opcode)], &rects[OP_SRC(*opcode)], OP_DST(*opcode) == DST ? clipped_rects : NULL, OP_ROP(*opcode) ); break; case OP_ARGS(PAT,DST): pdev->brush.rects( pdev, &pdev->brush, dibs[DST], clipped_rects->count, clipped_rects->rects, brush_org, OP_ROP(*opcode) ); break; case OP_ARGS(PAT,SRC): /* offset the brush origin to match the final dest rectangle */ origin.x = brush_org->x + rects[DST].left - rects[SRC].left; origin.y = brush_org->y + rects[DST].top - rects[SRC].top; pdev->brush.rects( pdev, &pdev->brush, dibs[SRC], 1, &rects[SRC], &origin, OP_ROP(*opcode) ); break; } } if (dibs[TMP]) free_dib_info( dibs[TMP] ); if (result == src) copy_rect( dibs[DST], &rects[DST], dibs[SRC], &rects[SRC], clipped_rects, R2_COPYPEN ); return ERROR_SUCCESS; } static void set_color_info( const dib_info *dib, BITMAPINFO *info ) { DWORD *masks = (DWORD *)info->bmiColors; info->bmiHeader.biCompression = BI_RGB; info->bmiHeader.biClrUsed = 0; switch (info->bmiHeader.biBitCount) { case 1: case 4: case 8: if (dib->color_table) { info->bmiHeader.biClrUsed = 1 << dib->bit_count; memcpy( info->bmiColors, dib->color_table, info->bmiHeader.biClrUsed * sizeof(RGBQUAD) ); } break; case 16: masks[0] = dib->red_mask; masks[1] = dib->green_mask; masks[2] = dib->blue_mask; info->bmiHeader.biCompression = BI_BITFIELDS; break; case 32: if (dib->funcs != &funcs_8888) { masks[0] = dib->red_mask; masks[1] = dib->green_mask; masks[2] = dib->blue_mask; info->bmiHeader.biCompression = BI_BITFIELDS; } break; } } static DWORD get_image_dib_info( dib_info *dib, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src ) { info->bmiHeader.biSize = sizeof(info->bmiHeader); info->bmiHeader.biPlanes = 1; info->bmiHeader.biXPelsPerMeter = 0; info->bmiHeader.biYPelsPerMeter = 0; info->bmiHeader.biClrImportant = 0; info->bmiHeader.biWidth = dib->width; info->bmiHeader.biHeight = dib->height; info->bmiHeader.biBitCount = dib->bit_count; info->bmiHeader.biSizeImage = info->bmiHeader.biHeight * abs( dib->stride ); if (dib->stride > 0) info->bmiHeader.biHeight = -info->bmiHeader.biHeight; set_color_info( dib, info ); if (bits) { bits->ptr = dib->bits.ptr; bits->is_copy = FALSE; bits->free = NULL; bits->param = NULL; if (dib->stride < 0) bits->ptr = (char *)bits->ptr + (dib->height - 1) * dib->stride; src->x += dib->rect.left; src->y += dib->rect.top; offset_rect( &src->visrect, dib->rect.left, dib->rect.top ); } return ERROR_SUCCESS; } DWORD get_image_from_bitmap( BITMAPOBJ *bmp, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src ) { dib_info dib; if (!init_dib_info_from_bitmapobj( &dib, bmp )) return ERROR_OUTOFMEMORY; return get_image_dib_info( &dib, info, bits, src ); } /*********************************************************************** * dibdrv_GetImage */ DWORD CDECL dibdrv_GetImage( PHYSDEV dev, BITMAPINFO *info, struct gdi_image_bits *bits, struct bitblt_coords *src ) { dibdrv_physdev *pdev = get_dibdrv_pdev(dev); TRACE( "%p %p\n", dev, info ); return get_image_dib_info( &pdev->dib, info, bits, src ); } static BOOL matching_color_info( const dib_info *dib, const BITMAPINFO *info, BOOL allow_mask_rect ) { const RGBQUAD *color_table = info->bmiColors; if (info->bmiHeader.biPlanes != 1) return FALSE; if (allow_mask_rect && info->bmiHeader.biBitCount == 1 && dib->bit_count != 1) return TRUE; if (info->bmiHeader.biBitCount != dib->bit_count) return FALSE; switch (info->bmiHeader.biBitCount) { case 1: if (dib->color_table_size != info->bmiHeader.biClrUsed) return FALSE; return !memcmp( color_table, dib->color_table, dib->color_table_size * sizeof(RGBQUAD) ); case 4: case 8: if (!info->bmiHeader.biClrUsed) { if (!dib->color_table_size) return TRUE; if (dib->color_table_size != 1 << info->bmiHeader.biBitCount) return FALSE; color_table = get_default_color_table( info->bmiHeader.biBitCount ); } else if (dib->color_table_size != info->bmiHeader.biClrUsed) return FALSE; return !memcmp( color_table, dib->color_table, dib->color_table_size * sizeof(RGBQUAD) ); case 16: { DWORD *masks = (DWORD *)info->bmiColors; if (info->bmiHeader.biCompression == BI_RGB) return dib->funcs == &funcs_555; if (info->bmiHeader.biCompression == BI_BITFIELDS) return masks[0] == dib->red_mask && masks[1] == dib->green_mask && masks[2] == dib->blue_mask; break; } case 24: return TRUE; case 32: { DWORD *masks = (DWORD *)info->bmiColors; if (info->bmiHeader.biCompression == BI_RGB) return dib->funcs == &funcs_8888; if (info->bmiHeader.biCompression == BI_BITFIELDS) return masks[0] == dib->red_mask && masks[1] == dib->green_mask && masks[2] == dib->blue_mask; break; } } return FALSE; } DWORD put_image_into_bitmap( BITMAPOBJ *bmp, HRGN clip, BITMAPINFO *info, const struct gdi_image_bits *bits, struct bitblt_coords *src, struct bitblt_coords *dst ) { struct clipped_rects clipped_rects; dib_info dib, src_dib; if (!init_dib_info_from_bitmapobj( &dib, bmp )) return ERROR_OUTOFMEMORY; if (!matching_color_info( &dib, info, FALSE )) goto update_format; if (!bits) return ERROR_SUCCESS; if ((src->width != dst->width) || (src->height != dst->height)) return ERROR_TRANSFORM_NOT_SUPPORTED; init_dib_info_from_bitmapinfo( &src_dib, info, bits->ptr ); src_dib.bits.is_copy = bits->is_copy; if (get_clipped_rects( &dib, &dst->visrect, clip, &clipped_rects )) { copy_rect( &dib, &dst->visrect, &src_dib, &src->visrect, &clipped_rects, R2_COPYPEN ); free_clipped_rects( &clipped_rects ); } return ERROR_SUCCESS; update_format: info->bmiHeader.biPlanes = 1; info->bmiHeader.biBitCount = dib.bit_count; set_color_info( &dib, info ); return ERROR_BAD_FORMAT; } static inline BOOL rop_uses_pat(DWORD rop) { return ((rop >> 4) & 0x0f0000) != (rop & 0x0f0000); } /*********************************************************************** * dibdrv_PutImage */ DWORD CDECL dibdrv_PutImage( PHYSDEV dev, HRGN clip, BITMAPINFO *info, const struct gdi_image_bits *bits, struct bitblt_coords *src, struct bitblt_coords *dst, DWORD rop ) { DC *dc = get_physdev_dc( dev ); struct clipped_rects clipped_rects; DWORD ret = ERROR_SUCCESS; dib_info src_dib; HRGN tmp_rgn = 0; dibdrv_physdev *pdev = get_dibdrv_pdev( dev ); BOOL stretch = (src->width != dst->width) || (src->height != dst->height); TRACE( "%p %p\n", dev, info ); if (!matching_color_info( &pdev->dib, info, !stretch && !rop_uses_pat( rop ) )) goto update_format; if (!bits) return ERROR_SUCCESS; if (stretch) return ERROR_TRANSFORM_NOT_SUPPORTED; /* For mask_rect, 1-bpp source without a color table uses the destination DC colors */ if (info->bmiHeader.biBitCount == 1 && pdev->dib.bit_count != 1 && !info->bmiHeader.biClrUsed) get_mono_dc_colors( dc, pdev->dib.color_table_size, info, 2 ); init_dib_info_from_bitmapinfo( &src_dib, info, bits->ptr ); src_dib.bits.is_copy = bits->is_copy; if (clip && pdev->clip) { tmp_rgn = NtGdiCreateRectRgn( 0, 0, 0, 0 ); NtGdiCombineRgn( tmp_rgn, clip, pdev->clip, RGN_AND ); clip = tmp_rgn; } else if (!clip) clip = pdev->clip; add_clipped_bounds( pdev, &dst->visrect, clip ); if (get_clipped_rects( &pdev->dib, &dst->visrect, clip, &clipped_rects )) { if (!rop_uses_pat( rop )) { int rop2 = ((rop >> 16) & 0xf) + 1; if (pdev->dib.bit_count == info->bmiHeader.biBitCount) copy_rect( &pdev->dib, &dst->visrect, &src_dib, &src->visrect, &clipped_rects, rop2 ); else mask_rect( &pdev->dib, &dst->visrect, &src_dib, &src->visrect, &clipped_rects, rop2 ); } else ret = execute_rop( pdev, &dst->visrect, &src_dib, &src->visrect, &clipped_rects, &dc->attr->brush_org, rop ); free_clipped_rects( &clipped_rects ); } free_dib_info( &src_dib ); if (tmp_rgn) DeleteObject( tmp_rgn ); return ret; update_format: info->bmiHeader.biPlanes = 1; info->bmiHeader.biBitCount = pdev->dib.bit_count; set_color_info( &pdev->dib, info ); return ERROR_BAD_FORMAT; } /*********************************************************************** * dibdrv_BlendImage */ DWORD CDECL dibdrv_BlendImage( PHYSDEV dev, BITMAPINFO *info, const struct gdi_image_bits *bits, struct bitblt_coords *src, struct bitblt_coords *dst, BLENDFUNCTION blend ) { dibdrv_physdev *pdev = get_dibdrv_pdev( dev ); dib_info src_dib; DWORD *masks = (DWORD *)info->bmiColors; TRACE( "%p %p\n", dev, info ); if (info->bmiHeader.biPlanes != 1) goto update_format; if (info->bmiHeader.biBitCount != 32) goto update_format; if (info->bmiHeader.biCompression == BI_BITFIELDS) { if (blend.AlphaFormat & AC_SRC_ALPHA) return ERROR_INVALID_PARAMETER; if (masks[0] != 0xff0000 || masks[1] != 0x00ff00 || masks[2] != 0x0000ff) goto update_format; } if (!bits) return ERROR_SUCCESS; if ((src->width != dst->width) || (src->height != dst->height)) return ERROR_TRANSFORM_NOT_SUPPORTED; init_dib_info_from_bitmapinfo( &src_dib, info, bits->ptr ); src_dib.bits.is_copy = bits->is_copy; add_clipped_bounds( pdev, &dst->visrect, pdev->clip ); return blend_rect( &pdev->dib, &dst->visrect, &src_dib, &src->visrect, pdev->clip, blend ); update_format: if (blend.AlphaFormat & AC_SRC_ALPHA) /* source alpha requires A8R8G8B8 format */ return ERROR_INVALID_PARAMETER; info->bmiHeader.biPlanes = 1; info->bmiHeader.biBitCount = 32; info->bmiHeader.biCompression = BI_BITFIELDS; info->bmiHeader.biClrUsed = 0; masks[0] = 0xff0000; masks[1] = 0x00ff00; masks[2] = 0x0000ff; return ERROR_BAD_FORMAT; } /**************************************************************************** * calc_1d_stretch_params (helper for stretch_bitmapinfo) * * If one plots the dst axis vertically, the src axis horizontally, then a * 1-d stretch/shrink is rather like finding the pixels to draw a straight * line. Following a Bresenham type argument from point (s_i, d_i) we must * pick either (s_i + 1, d_i) or (s_i + 1, d_i + 1), however the choice * depends on where the centre of the next pixel is, ie whether the * point (s_i + 3/2, d_i + 1) (the mid-point between the two centres) * lies above or below the idea line. The differences in error between * both choices and the current pixel is the same as per Bresenham, * the only difference is the error between the zeroth and first pixel. * This is now 3 dy - 2 dx (cf 2 dy - dx for the line case). * * Here we use the Bresenham line clipper to provide the start and end points * and add the additional dy - dx error term by passing this as the bias. * */ static DWORD calc_1d_stretch_params( INT dst_start, INT dst_length, INT dst_vis_start, INT dst_vis_end, INT src_start, INT src_length, INT src_vis_start, INT src_vis_end, INT *dst_clipped_start, INT *src_clipped_start, INT *dst_clipped_end, INT *src_clipped_end, struct stretch_params *stretch_params, BOOL *stretch ) { bres_params bres_params; POINT start, end, clipped_start, clipped_end; RECT clip; int clip_status, m, n; stretch_params->src_inc = stretch_params->dst_inc = 1; bres_params.dy = abs( dst_length ); bres_params.dx = abs( src_length ); if (bres_params.dx > bres_params.dy) bres_params.octant = 1; else bres_params.octant = 2; if (src_length < 0) { bres_params.octant = 5 - bres_params.octant; stretch_params->src_inc = -1; } if (dst_length < 0) { bres_params.octant = 9 - bres_params.octant; stretch_params->dst_inc = -1; } bres_params.octant = 1 << (bres_params.octant - 1); if (bres_params.dx > bres_params.dy) bres_params.bias = bres_params.dy - bres_params.dx; else bres_params.bias = bres_params.dx - bres_params.dy; start.x = src_start; start.y = dst_start; end.x = src_start + src_length; end.y = dst_start + dst_length; clip.left = src_vis_start; clip.right = src_vis_end; clip.top = dst_vis_start; clip.bottom = dst_vis_end; clip_status = clip_line( &start, &end, &clip, &bres_params, &clipped_start, &clipped_end ); if (!clip_status) return ERROR_NO_DATA; m = abs( clipped_start.x - start.x ); n = abs( clipped_start.y - start.y ); if (bres_params.dx > bres_params.dy) { stretch_params->err_start = 3 * bres_params.dy - 2 * bres_params.dx + m * 2 * bres_params.dy - n * 2 * bres_params.dx; stretch_params->err_add_1 = 2 * bres_params.dy - 2 * bres_params.dx; stretch_params->err_add_2 = 2 * bres_params.dy; stretch_params->length = abs( clipped_end.x - clipped_start.x ); *stretch = FALSE; } else { stretch_params->err_start = 3 * bres_params.dx - 2 * bres_params.dy + n * 2 * bres_params.dx - m * 2 * bres_params.dy; stretch_params->err_add_1 = 2 * bres_params.dx - 2 * bres_params.dy; stretch_params->err_add_2 = 2 * bres_params.dx; stretch_params->length = abs( clipped_end.y - clipped_start.y ); *stretch = TRUE; } /* The endpoint will usually have been clipped out as we don't want to touch that pixel, if it is we'll increment the length. */ if (end.x != clipped_end.x || end.y != clipped_end.y) { clipped_end.x += stretch_params->src_inc; clipped_end.y += stretch_params->dst_inc; stretch_params->length++; } *src_clipped_start = clipped_start.x; *dst_clipped_start = clipped_start.y; *src_clipped_end = clipped_end.x; *dst_clipped_end = clipped_end.y; return ERROR_SUCCESS; } DWORD stretch_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src, const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst, INT mode ) { dib_info src_dib, dst_dib; POINT dst_start, src_start, dst_end, src_end; RECT rect; BOOL hstretch, vstretch; struct stretch_params v_params, h_params; int err; DWORD ret; void (* row_fn)(const dib_info *dst_dib, const POINT *dst_start, const dib_info *src_dib, const POINT *src_start, const struct stretch_params *params, int mode, BOOL keep_dst); TRACE("dst %d, %d - %d x %d visrect %s src %d, %d - %d x %d visrect %s\n", dst->x, dst->y, dst->width, dst->height, wine_dbgstr_rect(&dst->visrect), src->x, src->y, src->width, src->height, wine_dbgstr_rect(&src->visrect)); init_dib_info_from_bitmapinfo( &src_dib, src_info, src_bits ); init_dib_info_from_bitmapinfo( &dst_dib, dst_info, dst_bits ); if (mode == HALFTONE) { dst_dib.funcs->halftone( &dst_dib, dst, &src_dib, src ); goto done; } /* v */ ret = calc_1d_stretch_params( dst->y, dst->height, dst->visrect.top, dst->visrect.bottom, src->y, src->height, src->visrect.top, src->visrect.bottom, &dst_start.y, &src_start.y, &dst_end.y, &src_end.y, &v_params, &vstretch ); if (ret) return ret; /* h */ ret = calc_1d_stretch_params( dst->x, dst->width, dst->visrect.left, dst->visrect.right, src->x, src->width, src->visrect.left, src->visrect.right, &dst_start.x, &src_start.x, &dst_end.x, &src_end.x, &h_params, &hstretch ); if (ret) return ret; TRACE("got dst start %d, %d inc %d, %d. src start %d, %d inc %d, %d len %d x %d\n", dst_start.x, dst_start.y, h_params.dst_inc, v_params.dst_inc, src_start.x, src_start.y, h_params.src_inc, v_params.src_inc, h_params.length, v_params.length); get_bounding_rect( &rect, dst_start.x, dst_start.y, dst_end.x - dst_start.x, dst_end.y - dst_start.y ); intersect_rect( &dst->visrect, &dst->visrect, &rect ); dst_start.x -= dst->visrect.left; dst_start.y -= dst->visrect.top; err = v_params.err_start; row_fn = hstretch ? dst_dib.funcs->stretch_row : dst_dib.funcs->shrink_row; if (vstretch) { BOOL need_row = TRUE; RECT last_row, this_row; if (hstretch) mode = STRETCH_DELETESCANS; last_row.left = 0; last_row.right = dst->visrect.right - dst->visrect.left; while (v_params.length--) { if (need_row) { row_fn( &dst_dib, &dst_start, &src_dib, &src_start, &h_params, mode, FALSE ); need_row = FALSE; } else { last_row.top = dst_start.y - v_params.dst_inc; last_row.bottom = last_row.top + 1; this_row = last_row; offset_rect( &this_row, 0, v_params.dst_inc ); copy_rect( &dst_dib, &this_row, &dst_dib, &last_row, NULL, R2_COPYPEN ); } if (err > 0) { src_start.y += v_params.src_inc; need_row = TRUE; err += v_params.err_add_1; } else err += v_params.err_add_2; dst_start.y += v_params.dst_inc; } } else { int merged_rows = 0; while (v_params.length--) { if (mode != STRETCH_DELETESCANS || !merged_rows) row_fn( &dst_dib, &dst_start, &src_dib, &src_start, &h_params, mode, merged_rows != 0 ); merged_rows++; if (err > 0) { dst_start.y += v_params.dst_inc; merged_rows = 0; err += v_params.err_add_1; } else err += v_params.err_add_2; src_start.y += v_params.src_inc; } } done: /* update coordinates, the destination rectangle is always stored at 0,0 */ *src = *dst; src->x -= src->visrect.left; src->y -= src->visrect.top; offset_rect( &src->visrect, -src->visrect.left, -src->visrect.top ); return ERROR_SUCCESS; } DWORD blend_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src, const BITMAPINFO *dst_info, void *dst_bits, struct bitblt_coords *dst, BLENDFUNCTION blend ) { dib_info src_dib, dst_dib; init_dib_info_from_bitmapinfo( &src_dib, src_info, src_bits ); init_dib_info_from_bitmapinfo( &dst_dib, dst_info, dst_bits ); return blend_rect( &dst_dib, &dst->visrect, &src_dib, &src->visrect, NULL, blend ); } DWORD gradient_bitmapinfo( const BITMAPINFO *info, void *bits, TRIVERTEX *vert_array, ULONG nvert, void *grad_array, ULONG ngrad, ULONG mode, const POINT *dev_pts, HRGN rgn ) { dib_info dib; const GRADIENT_TRIANGLE *tri = grad_array; const GRADIENT_RECT *rect = grad_array; unsigned int i; int y; TRIVERTEX vert[3]; RECT rc; DWORD ret = ERROR_SUCCESS; init_dib_info_from_bitmapinfo( &dib, info, bits ); switch (mode) { case GRADIENT_FILL_RECT_H: for (i = 0; i < ngrad; i++, rect++) { get_gradient_hrect_vertices( rect, vert_array, dev_pts, vert, &rc ); gradient_rect( &dib, vert, mode, 0, &rc ); add_rect_to_region( rgn, &rc ); } break; case GRADIENT_FILL_RECT_V: for (i = 0; i < ngrad; i++, rect++) { get_gradient_vrect_vertices( rect, vert_array, dev_pts, vert, &rc ); gradient_rect( &dib, vert, mode, 0, &rc ); add_rect_to_region( rgn, &rc ); } break; case GRADIENT_FILL_TRIANGLE: for (i = 0; i < ngrad; i++, tri++) { get_gradient_triangle_vertices( tri, vert_array, dev_pts, vert, &rc ); if (gradient_rect( &dib, vert, mode, 0, &rc )) { for (y = vert[0].y; y < vert[2].y; y++) { int x1, x2 = edge_coord( y, vert[0].x, vert[0].y, vert[2].x, vert[2].y ); if (y < vert[1].y) x1 = edge_coord( y, vert[0].x, vert[0].y, vert[1].x, vert[1].y ); else x1 = edge_coord( y, vert[1].x, vert[1].y, vert[2].x, vert[2].y ); rc.left = min( x1, x2 ); rc.top = y; rc.right = max( x1, x2 ); rc.bottom = y + 1; add_rect_to_region( rgn, &rc ); } } else ret = ERROR_INVALID_PARAMETER; } break; } return ret; } COLORREF get_pixel_bitmapinfo( const BITMAPINFO *info, void *bits, struct bitblt_coords *src ) { dib_info dib; DWORD pixel; init_dib_info_from_bitmapinfo( &dib, info, bits ); pixel = dib.funcs->get_pixel( &dib, src->x, src->y ); return dib.funcs->pixel_to_colorref( &dib, pixel ); } /*********************************************************************** * dibdrv_StretchBlt */ BOOL CDECL dibdrv_StretchBlt( PHYSDEV dst_dev, struct bitblt_coords *dst, PHYSDEV src_dev, struct bitblt_coords *src, DWORD rop ) { DC *dc_dst = get_physdev_dc( dst_dev ); if (dst->width == 1 && src->width > 1) src->width--; if (dst->height == 1 && src->height > 1) src->height--; return dc_dst->nulldrv.funcs->pStretchBlt( &dc_dst->nulldrv, dst, src_dev, src, rop ); } /*********************************************************************** * dibdrv_AlphaBlend */ BOOL CDECL dibdrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst, PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION blend ) { DC *dc_dst = get_physdev_dc( dst_dev ); return dc_dst->nulldrv.funcs->pAlphaBlend( &dc_dst->nulldrv, dst, src_dev, src, blend ); } /*********************************************************************** * dibdrv_GradientFill */ BOOL CDECL dibdrv_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert, void *grad_array, ULONG ngrad, ULONG mode ) { dibdrv_physdev *pdev = get_dibdrv_pdev( dev ); DC *dc = get_physdev_dc( dev ); const GRADIENT_TRIANGLE *tri = grad_array; const GRADIENT_RECT *rect = grad_array; unsigned int i; POINT *pts; TRIVERTEX vert[3]; RECT bounds; BOOL ret = TRUE; if (!(pts = HeapAlloc( GetProcessHeap(), 0, nvert * sizeof(*pts) ))) return FALSE; for (i = 0; i < nvert; i++) { pts[i].x = vert_array[i].x; pts[i].y = vert_array[i].y; } lp_to_dp( dc, pts, nvert ); switch (mode) { case GRADIENT_FILL_RECT_H: for (i = 0; i < ngrad; i++, rect++) { get_gradient_hrect_vertices( rect, vert_array, pts, vert, &bounds ); /* Windows bug: no alpha on a8r8g8b8 created with bitfields */ if (pdev->dib.funcs == &funcs_8888 && pdev->dib.compression == BI_BITFIELDS) vert[0].Alpha = vert[1].Alpha = 0; add_clipped_bounds( pdev, &bounds, pdev->clip ); gradient_rect( &pdev->dib, vert, mode, pdev->clip, &bounds ); } break; case GRADIENT_FILL_RECT_V: for (i = 0; i < ngrad; i++, rect++) { get_gradient_vrect_vertices( rect, vert_array, pts, vert, &bounds ); /* Windows bug: no alpha on a8r8g8b8 created with bitfields */ if (pdev->dib.funcs == &funcs_8888 && pdev->dib.compression == BI_BITFIELDS) vert[0].Alpha = vert[1].Alpha = 0; add_clipped_bounds( pdev, &bounds, pdev->clip ); gradient_rect( &pdev->dib, vert, mode, pdev->clip, &bounds ); } break; case GRADIENT_FILL_TRIANGLE: for (i = 0; i < ngrad; i++, tri++) { get_gradient_triangle_vertices( tri, vert_array, pts, vert, &bounds ); /* Windows bug: no alpha on a8r8g8b8 created with bitfields */ if (pdev->dib.funcs == &funcs_8888 && pdev->dib.compression == BI_BITFIELDS) vert[0].Alpha = vert[1].Alpha = vert[2].Alpha = 0; add_clipped_bounds( pdev, &bounds, pdev->clip ); if (!gradient_rect( &pdev->dib, vert, mode, pdev->clip, &bounds )) ret = FALSE; } break; } HeapFree( GetProcessHeap(), 0, pts ); return ret; }