/* * $XFree86: xc/programs/Xserver/render/picture.h,v 1.7 2001/08/10 22:25:59 keithp Exp $ * * Copyright © 2000 SuSE, Inc. * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of SuSE not be used in advertising or * publicity pertaining to distribution of the software without specific, * written prior permission. SuSE makes no representations about the * suitability of this software for any purpose. It is provided "as is" * without express or implied warranty. * * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Author: Keith Packard, SuSE, Inc. */ #ifndef _PICTURE_H_ #define _PICTURE_H_ typedef struct _DirectFormat *DirectFormatPtr; typedef struct _PictFormat *PictFormatPtr; typedef struct _Picture *PicturePtr; /* * While the protocol is generous in format support, the * sample implementation allows only packed RGB and GBR * representations for data to simplify software rendering, */ #define PICT_FORMAT(bpp,type,a,r,g,b) (((bpp) << 24) | \ ((type) << 16) | \ ((a) << 12) | \ ((r) << 8) | \ ((g) << 4) | \ ((b))) #define PICT_FORMAT_BPP(f) (((f) >> 24) ) #define PICT_FORMAT_TYPE(f) (((f) >> 16) & 0xff) #define PICT_FORMAT_A(f) (((f) >> 12) & 0x0f) #define PICT_FORMAT_R(f) (((f) >> 8) & 0x0f) #define PICT_FORMAT_G(f) (((f) >> 4) & 0x0f) #define PICT_FORMAT_B(f) (((f) ) & 0x0f) #define PICT_FORMAT_RGB(f) (((f) ) & 0xfff) #define PICT_TYPE_OTHER 0 #define PICT_TYPE_A 1 #define PICT_TYPE_ARGB 2 #define PICT_TYPE_ABGR 3 #define PICT_TYPE_COLOR 4 #define PICT_TYPE_GRAY 5 #define PICT_FORMAT_COLOR(f) (PICT_FORMAT_TYPE(f) & 2) /* 32bpp formats */ #define PICT_a8r8g8b8 PICT_FORMAT(32,PICT_TYPE_ARGB,8,8,8,8) #define PICT_x8r8g8b8 PICT_FORMAT(32,PICT_TYPE_ARGB,0,8,8,8) #define PICT_a8b8g8r8 PICT_FORMAT(32,PICT_TYPE_ABGR,8,8,8,8) #define PICT_x8b8g8r8 PICT_FORMAT(32,PICT_TYPE_ABGR,0,8,8,8) /* 24bpp formats */ #define PICT_r8g8b8 PICT_FORMAT(24,PICT_TYPE_ARGB,0,8,8,8) #define PICT_b8g8r8 PICT_FORMAT(24,PICT_TYPE_ABGR,0,8,8,8) /* 16bpp formats */ #define PICT_r5g6b5 PICT_FORMAT(16,PICT_TYPE_ARGB,0,5,6,5) #define PICT_b5g6r5 PICT_FORMAT(16,PICT_TYPE_ABGR,0,5,6,5) #define PICT_a1r5g5b5 PICT_FORMAT(16,PICT_TYPE_ARGB,1,5,5,5) #define PICT_x1r5g5b5 PICT_FORMAT(16,PICT_TYPE_ARGB,0,5,5,5) #define PICT_a1b5g5r5 PICT_FORMAT(16,PICT_TYPE_ABGR,1,5,5,5) #define PICT_x1b5g5r5 PICT_FORMAT(16,PICT_TYPE_ABGR,0,5,5,5) /* 8bpp formats */ #define PICT_a8 PICT_FORMAT(8,PICT_TYPE_A,8,0,0,0) #define PICT_r3g3b2 PICT_FORMAT(8,PICT_TYPE_ARGB,0,3,3,2) #define PICT_b2g3r3 PICT_FORMAT(8,PICT_TYPE_ABGR,0,3,3,2) #define PICT_a2r2g2b2 PICT_FORMAT(8,PICT_TYPE_ARGB,2,2,2,2) #define PICT_a2b2g2r2 PICT_FORMAT(8,PICT_TYPE_ABGR,2,2,2,2) #define PICT_c8 PICT_FORMAT(8,PICT_TYPE_COLOR,0,0,0,0) #define PICT_g8 PICT_FORMAT(8,PICT_TYPE_GRAY,0,0,0,0) /* 4bpp formats */ #define PICT_a4 PICT_FORMAT(4,PICT_TYPE_A,4,0,0,0) #define PICT_r1g2b1 PICT_FORMAT(4,PICT_TYPE_ARGB,0,1,2,1) #define PICT_b1g2r1 PICT_FORMAT(4,PICT_TYPE_ABGR,0,1,2,1) #define PICT_a1r1g1b1 PICT_FORMAT(4,PICT_TYPE_ARGB,1,1,1,1) #define PICT_a1b1g1r1 PICT_FORMAT(4,PICT_TYPE_ABGR,1,1,1,1) #define PICT_c4 PICT_FORMAT(4,PICT_TYPE_COLOR,0,0,0,0) #define PICT_g4 PICT_FORMAT(4,PICT_TYPE_GRAY,0,0,0,0) /* 1bpp formats */ #define PICT_a1 PICT_FORMAT(1,PICT_TYPE_A,1,0,0,0) #define PICT_g1 PICT_FORMAT(1,PICT_TYPE_GRAY,0,0,0,0) #define FixedToInt(f) (int) ((f) >> 8) #define IntToFixed(i) ((Fixed) (i) << 8) #define FixedE ((Fixed) 1) #define Fixed1 (IntToFixed(1)) #define Fixed1minusE (Fixed1 - FixedE) #define FixedCeil(f) (((f) + Fixed1minusE) & ~Fixed1MinusE) #define FixedFloor(f) ((f) & ~Fixed1MinusE) #endif /* _PICTURE_H_ */