Return to bitblt.h CVS log

Up to [CSRG BSD Unix] / 43BSDTahoe / new / X / libibm / libsrc

Annotation of 43BSDTahoe/new/X/libibm/libsrc/bitblt.h, revision 1.1

1.1     ! root        1: /* $Header: bitblt.h,v 10.1 86/11/19 10:45:27 jg Exp $ */
        !             2: /* bitblt.h - typedefs, macros, and constants required to
        !             3:  *           interface to bitblt()
        !             4:  *
        !             5:  *     Author:
        !             6:  *             Scott Bates
        !             7:  *             Brown University
        !             8:  *             IRIS, Box 1946
        !             9:  *             Providence, RI 02912
        !            10:  *
        !            11:  *
        !            12:  *             Copyright (c) 1986 Brown University
        !            13:  *
        !            14:  * Permission to use, copy, modify and distribute this software and its
        !            15:  * documentation for any purpose and without fee is hereby granted, provided
        !            16:  * that the above copyright notice appear in all copies, and that both
        !            17:  * that copyright notice and this permission notice appear in supporting
        !            18:  * documentation, and that the name of Brown University not be used in
        !            19:  * advertising or publicity pertaining to distribution of the software
        !            20:  * without specific, written prior permission. Brown University makes no
        !            21:  * representations about the suitability of this software for any purpose.
        !            22:  * It is provided "as-is" without express or implied warranty.
        !            23:  */
        !            24: 
        !            25: #include "../bitblt/bitblt_ext.h"
        !            26: 
        !            27: /*
        !            28:  * Line structure
        !            29:  */
        !            30: 
        !            31: typedef struct {
        !            32:         short   StartX;
        !            33:         short   StartY;
        !            34:         short   StopX;
        !            35:         short   StopY;
        !            36:         short   BrushX;
        !            37:         short   BrushY;
        !            38:        u_short  Pattern;
        !            39:        short    PatternLength;
        !            40:        short    PatternMultiplier;
        !            41:        short    DrawMode;
        !            42:        Blt_Tile *AlternateTile;
        !            43:         Blt     blt;
        !            44: }Blt_Line;
        !            45: 
        !            46: /*
        !            47:  * Macros to determine if the given rule refers to a tile
        !            48:  * or a source bitmap.
        !            49:  */
        !            50: 
        !            51: #define IS_RULE_SRC(rule)       ((rule) <= GXset)
        !            52: #define IS_RULE_TILE(rule)       (!IS_RULE_SRC(rule))
        !            53: 
        !            54: /*
        !            55:  * macros to convert combination rules
        !            56:  *
        !            57:  * NOTE: These Macros depend on the order of the rules above.
        !            58:  */
        !            59: 
        !            60: #define MAKE_TILE_RULE(src_rule)   ((src_rule) + GXset + 1)
        !            61: #define MAKE_SRC_RULE(tile_rule)   ((tile_rule) - GXset - 1)
        !            62: 
        !            63: /*
        !            64:  * Macros for fast min/max.
        !            65:  */
        !            66: 
        !            67: #define MIN(a,b) (((a) < (b)) ? (a) : (b))
        !            68: #define MAX(a,b) (((a) > (b)) ? (a) : (b))
        !            69: 
        !            70: /*
        !            71:  * misc constants
        !            72:  */
        !            73: 
        !            74: #define        TRUE    1
        !            75: #define        FALSE   0
        !            76: 
        !            77: /*
        !            78:  * macros used to fill in blt structure for bitblt()
        !            79:  */
        !            80: 
        !            81: #define BitimageToBitmap(bitimage, x, y, width, height, bitmap)    \
        !            82:        {                                                          \
        !            83:                (bitmap)->base = bitimage;                         \
        !            84:                (bitmap)->rect.origin_y = y;                       \
        !            85:                (bitmap)->rect.origin_x = x;                       \
        !            86:                (bitmap)->rect.corner_y = y + height;              \
        !            87:                (bitmap)->rect.corner_x = x + width;               \
        !            88:                (bitmap)->nshorts = ((width) + 15) / 16;           \
        !            89:        }
        !            90: 
        !            91: #define ClipToRect(clip, rect)                                  \
        !            92:        {                                                        \
        !            93:                (rect)->origin_y = (clip)->top;                  \
        !            94:                (rect)->origin_x = (clip)->left;                 \
        !            95:                (rect)->corner_y = (clip)->top + (clip)->height; \
        !            96:                (rect)->corner_x = (clip)->left + (clip)->width; \
        !            97:        }
        !            98: 
        !            99: #define FillInRect(x, y, width, height, rect)      \
        !           100:        {                                          \
        !           101:                 (rect)->origin_y = y;              \
        !           102:                 (rect)->origin_x = x;              \
        !           103:                 (rect)->corner_y = (y) + (height); \
        !           104:                 (rect)->corner_x = (x) + (width);  \
        !           105:        }
        !           106: 
        !           107: /*
        !           108:  * test if rectangle one lies within the bounds of rectangle two
        !           109:  */
        !           110: 
        !           111: #define InsideBounds(rect1, rect2)                     \
        !           112:        (((rect1)->origin_x >= (rect2)->origin_x &&     \
        !           113:          (rect1)->origin_x <= (rect2)->corner_x &&     \
        !           114:          (rect1)->origin_y >= (rect2)->origin_y &&     \
        !           115:          (rect1)->origin_y <= (rect2)->corner_y) &&    \
        !           116:        ((rect1)->corner_x >= (rect2)->origin_x &&      \
        !           117:          (rect1)->corner_x <= (rect2)->corner_x &&     \
        !           118:          (rect1)->corner_y >= (rect2)->origin_y &&     \
        !           119:          (rect1)->corner_y <= (rect2)->corner_y))
        !           120: 
        !           121: /*
        !           122:  * NILS
        !           123:  */
        !           124: 
        !           125: #define NILRECT ((Blt_Rectangle *) 0)
        !           126: #define NILCLIP ((CLIP *) 0)
        !           127: #define NILBITMAP ((BITMAP *) 0)
        !           128: #define NILMASK ((u_short *) 0)
        !           129: #define NILBITS ((u_short *) 0)
        !           130: #define NIL 0
        !           131: 
        !           132: /*
        !           133:  * Externs and statics used to interface to bitblt()
        !           134:  */
        !           135: 
        !           136: static Blt_Rectangle SrcRect;
        !           137: static Blt_Rectangle DstRect;
        !           138: static Blt bltdata;
        !           139: extern Blt_Rectangle changed_rect;

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.