projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 6fa83d73 WJ |
1 | /* Copyright (C) 1989, 1990 Aladdin Enterprises. All rights reserved. |
| 2 | Distributed by Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of Ghostscript. | |
| 5 | ||
| 6 | Ghostscript is distributed in the hope that it will be useful, but | |
| 7 | WITHOUT ANY WARRANTY. No author or distributor accepts responsibility | |
| 8 | to anyone for the consequences of using it or for whether it serves any | |
| 9 | particular purpose or works at all, unless he says so in writing. Refer | |
| 10 | to the Ghostscript General Public License for full details. | |
| 11 | ||
| 12 | Everyone is granted permission to copy, modify and redistribute | |
| 13 | Ghostscript, but only under the conditions described in the Ghostscript | |
| 14 | General Public License. A copy of this license is supposed to have been | |
| 15 | given to you along with Ghostscript so you can know your rights and | |
| 16 | responsibilities. It should be in a file named COPYING. Among other | |
| 17 | things, the copyright notice and this notice must be preserved on all | |
| 18 | copies. */ | |
| 19 | ||
| 20 | /* gs.h */ | |
| 21 | /* Common definitions for Ghostscript library */ | |
| 22 | #include <stdio.h> | |
| 23 | #include "std.h" | |
| 24 | ||
| 25 | /* Ghostscript never writes directly to stdout. */ | |
| 26 | extern FILE *gs_out; | |
| 27 | #ifdef DEBUG | |
| 28 | extern FILE *gs_debug_out; | |
| 29 | #undef dstderr | |
| 30 | #define dstderr gs_debug_out | |
| 31 | #endif | |
| 32 | ||
| 33 | /* Representation of a point. */ | |
| 34 | typedef struct gs_point_s { | |
| 35 | double x, y; | |
| 36 | } gs_point; | |
| 37 | typedef struct gs_int_point_s { | |
| 38 | int x, y; | |
| 39 | } gs_int_point; | |
| 40 | /* Representation of a rectangle. */ | |
| 41 | /* Note that rectangles are half-open, i.e.: their width is */ | |
| 42 | /* q.x-p.x and their height is q.y-p.y; they include the points */ | |
| 43 | /* (x,y) such that p.x<=x<q.x and p.y<=y<q.y. */ | |
| 44 | typedef struct gs_rect_s { | |
| 45 | gs_point p, q; /* origin point, corner point */ | |
| 46 | } gs_rect; | |
| 47 | typedef struct gs_int_rect_s { | |
| 48 | gs_int_point p, q; | |
| 49 | } gs_int_rect; | |
| 50 | ||
| 51 | /* So many routines use the graphics state */ | |
| 52 | /* that we may as well declare the abstract type here. */ | |
| 53 | typedef struct gs_state_s gs_state; | |
| 54 | ||
| 55 | /* A number of interfaces involve user-specified allocation */ | |
| 56 | /* and deallocation procedures, so we define the structure here. */ | |
| 57 | typedef struct { | |
| 58 | proc_alloc_t alloc; | |
| 59 | proc_free_t free; | |
| 60 | } gs_memory_procs; | |
| 61 | /* We define our own versions of malloc and free that conform */ | |
| 62 | /* to the types proc_alloc_t and proc_free_t: */ | |
| 63 | char *gs_malloc(P3(uint, uint, const char *)); | |
| 64 | void gs_free(P4(char *, uint, uint, const char *)); |