| 1 | /* |
|---|
| 2 | * libcaca Colour ASCII-Art library |
|---|
| 3 | * Copyright (c) 2002-2006 Sam Hocevar <sam@zoy.org> |
|---|
| 4 | * All Rights Reserved |
|---|
| 5 | * |
|---|
| 6 | * $Id: raw.c 2962 2008-10-18 11:07:05Z sam $ |
|---|
| 7 | * |
|---|
| 8 | * This library is free software. It comes without any warranty, to |
|---|
| 9 | * the extent permitted by applicable law. You can redistribute it |
|---|
| 10 | * and/or modify it under the terms of the Do What The Fuck You Want |
|---|
| 11 | * To Public License, Version 2, as published by Sam Hocevar. See |
|---|
| 12 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
|---|
| 13 | */ |
|---|
| 14 | |
|---|
| 15 | /* |
|---|
| 16 | * This file contains the libcaca raw input and output driver |
|---|
| 17 | */ |
|---|
| 18 | |
|---|
| 19 | #include "config.h" |
|---|
| 20 | |
|---|
| 21 | #if !defined(__KERNEL__) |
|---|
| 22 | |
|---|
| 23 | #include <stdio.h> |
|---|
| 24 | #include <stdlib.h> |
|---|
| 25 | |
|---|
| 26 | #include "caca.h" |
|---|
| 27 | #include "caca_internals.h" |
|---|
| 28 | |
|---|
| 29 | static int raw_init_graphics(caca_display_t *dp) |
|---|
| 30 | { |
|---|
| 31 | int width = caca_get_canvas_width(dp->cv); |
|---|
| 32 | int height = caca_get_canvas_height(dp->cv); |
|---|
| 33 | char const *geometry; |
|---|
| 34 | |
|---|
| 35 | #if defined(HAVE_GETENV) |
|---|
| 36 | geometry = getenv("CACA_GEOMETRY"); |
|---|
| 37 | if(geometry && *geometry) |
|---|
| 38 | sscanf(geometry, "%ux%u", &width, &height); |
|---|
| 39 | #endif |
|---|
| 40 | |
|---|
| 41 | dp->resize.allow = 1; |
|---|
| 42 | caca_set_canvas_size(dp->cv, width ? width : 80, height ? height : 24); |
|---|
| 43 | dp->resize.allow = 0; |
|---|
| 44 | |
|---|
| 45 | return 0; |
|---|
| 46 | } |
|---|
| 47 | |
|---|
| 48 | static int raw_end_graphics(caca_display_t *dp) |
|---|
| 49 | { |
|---|
| 50 | return 0; |
|---|
| 51 | } |
|---|
| 52 | |
|---|
| 53 | static int raw_set_display_title(caca_display_t *dp, char const *title) |
|---|
| 54 | { |
|---|
| 55 | return -1; |
|---|
| 56 | } |
|---|
| 57 | |
|---|
| 58 | static int raw_get_display_width(caca_display_t const *dp) |
|---|
| 59 | { |
|---|
| 60 | return 0; |
|---|
| 61 | } |
|---|
| 62 | |
|---|
| 63 | static int raw_get_display_height(caca_display_t const *dp) |
|---|
| 64 | { |
|---|
| 65 | return 0; |
|---|
| 66 | } |
|---|
| 67 | |
|---|
| 68 | static void raw_display(caca_display_t *dp) |
|---|
| 69 | { |
|---|
| 70 | void *buffer; |
|---|
| 71 | size_t len; |
|---|
| 72 | |
|---|
| 73 | buffer = caca_export_memory(dp->cv, "caca", &len); |
|---|
| 74 | if(!buffer) |
|---|
| 75 | return; |
|---|
| 76 | fwrite(buffer, len, 1, stdout); |
|---|
| 77 | fflush(stdout); |
|---|
| 78 | free(buffer); |
|---|
| 79 | } |
|---|
| 80 | |
|---|
| 81 | static void raw_handle_resize(caca_display_t *dp) |
|---|
| 82 | { |
|---|
| 83 | ; |
|---|
| 84 | } |
|---|
| 85 | |
|---|
| 86 | static int raw_get_event(caca_display_t *dp, caca_privevent_t *ev) |
|---|
| 87 | { |
|---|
| 88 | ev->type = CACA_EVENT_NONE; |
|---|
| 89 | return 0; |
|---|
| 90 | } |
|---|
| 91 | |
|---|
| 92 | /* |
|---|
| 93 | * Driver initialisation |
|---|
| 94 | */ |
|---|
| 95 | |
|---|
| 96 | int raw_install(caca_display_t *dp) |
|---|
| 97 | { |
|---|
| 98 | dp->drv.id = CACA_DRIVER_RAW; |
|---|
| 99 | dp->drv.driver = "raw"; |
|---|
| 100 | |
|---|
| 101 | dp->drv.init_graphics = raw_init_graphics; |
|---|
| 102 | dp->drv.end_graphics = raw_end_graphics; |
|---|
| 103 | dp->drv.set_display_title = raw_set_display_title; |
|---|
| 104 | dp->drv.get_display_width = raw_get_display_width; |
|---|
| 105 | dp->drv.get_display_height = raw_get_display_height; |
|---|
| 106 | dp->drv.display = raw_display; |
|---|
| 107 | dp->drv.handle_resize = raw_handle_resize; |
|---|
| 108 | dp->drv.get_event = raw_get_event; |
|---|
| 109 | dp->drv.set_mouse = NULL; |
|---|
| 110 | dp->drv.set_cursor = NULL; |
|---|
| 111 | |
|---|
| 112 | return 0; |
|---|
| 113 | } |
|---|
| 114 | |
|---|
| 115 | #endif /* !__KERNEL__ */ |
|---|
