1 /* 2 * Copyright (c) 2014-2015, 2018 Paul Mattes. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * * Neither the names of Paul Mattes nor the names of his contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY PAUL MATTES "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL PAUL MATTES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * gdi_print.h 30 * GDI screen printing functions. 31 */ 32 33 #if !defined(_WIN32) /*[*/ 34 #error For Windows ony 35 #endif /*]*/ 36 37 /* Header for screen snapshots. */ 38 typedef struct { 39 unsigned signature; /* Signature, to make sure we haven't gotten 40 lost */ 41 unsigned short rows; /* Rows */ 42 unsigned short cols; /* Columns */ 43 } gdi_header_t; 44 45 /* Signature for GDI snapshot files. */ 46 #define GDI_SIGNATURE 0x33323730 47 48 typedef enum { 49 GDI_STATUS_SUCCESS = 0, 50 GDI_STATUS_WAIT = 1, 51 GDI_STATUS_ERROR = -1, 52 GDI_STATUS_CANCEL = -2 53 } gdi_status_t; 54 #define GDI_STATUS_IS_ERROR(gs) ((int)gs < 0) 55 56 gdi_status_t gdi_print_start(const char *printer_name, unsigned opts, 57 void *wait_context); 58 gdi_status_t gdi_print_finish(FILE *f, const char *caption); 59