| 1 | /* |
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| 2 | * libcaca Colour ASCII-Art library |
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| 3 | * Copyright (c) 2002-2010 Sam Hocevar <sam@hocevar.net> |
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| 4 | * All Rights Reserved |
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| 5 | * |
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| 6 | * This library is free software. It comes without any warranty, to |
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| 7 | * the extent permitted by applicable law. You can redistribute it |
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| 8 | * and/or modify it under the terms of the Do What The Fuck You Want |
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| 9 | * To Public License, Version 2, as published by Sam Hocevar. See |
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| 10 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
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| 11 | */ |
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| 12 | |
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| 13 | /* |
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| 14 | * This file contains the libcaca raw input and output driver |
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| 15 | */ |
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| 16 | |
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| 17 | #include "config.h" |
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| 18 | |
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| 19 | #if !defined(__KERNEL__) |
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| 20 | |
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| 21 | #include <stdio.h> |
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| 22 | #include <stdlib.h> |
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| 23 | |
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| 24 | #include "caca.h" |
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| 25 | #include "caca_internals.h" |
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| 26 | |
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| 27 | static int raw_init_graphics(caca_display_t *dp) |
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| 28 | { |
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| 29 | int width = caca_get_canvas_width(dp->cv); |
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| 30 | int height = caca_get_canvas_height(dp->cv); |
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| 31 | char const *geometry; |
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| 32 | |
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| 33 | #if defined(HAVE_GETENV) |
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| 34 | geometry = getenv("CACA_GEOMETRY"); |
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| 35 | if(geometry && *geometry) |
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| 36 | sscanf(geometry, "%ux%u", &width, &height); |
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| 37 | #endif |
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| 38 | |
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| 39 | dp->resize.allow = 1; |
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| 40 | caca_set_canvas_size(dp->cv, width ? width : 80, height ? height : 24); |
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| 41 | dp->resize.allow = 0; |
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| 42 | |
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| 43 | return 0; |
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| 44 | } |
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| 45 | |
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| 46 | static int raw_end_graphics(caca_display_t *dp) |
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| 47 | { |
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| 48 | return 0; |
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| 49 | } |
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| 50 | |
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| 51 | static int raw_set_display_title(caca_display_t *dp, char const *title) |
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| 52 | { |
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| 53 | return -1; |
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| 54 | } |
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| 55 | |
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| 56 | static int raw_get_display_width(caca_display_t const *dp) |
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| 57 | { |
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| 58 | return 0; |
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| 59 | } |
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| 60 | |
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| 61 | static int raw_get_display_height(caca_display_t const *dp) |
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| 62 | { |
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| 63 | return 0; |
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| 64 | } |
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| 65 | |
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| 66 | static void raw_display(caca_display_t *dp) |
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| 67 | { |
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| 68 | void *buffer; |
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| 69 | size_t len; |
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| 70 | |
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| 71 | buffer = caca_export_canvas_to_memory(dp->cv, "caca", &len); |
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| 72 | if(!buffer) |
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| 73 | return; |
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| 74 | fwrite(buffer, len, 1, stdout); |
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| 75 | fflush(stdout); |
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| 76 | free(buffer); |
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| 77 | } |
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| 78 | |
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| 79 | static void raw_handle_resize(caca_display_t *dp) |
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| 80 | { |
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| 81 | ; |
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| 82 | } |
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| 83 | |
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| 84 | static int raw_get_event(caca_display_t *dp, caca_privevent_t *ev) |
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| 85 | { |
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| 86 | ev->type = CACA_EVENT_NONE; |
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| 87 | return 0; |
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| 88 | } |
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| 89 | |
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| 90 | /* |
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| 91 | * Driver initialisation |
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| 92 | */ |
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| 93 | |
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| 94 | int raw_install(caca_display_t *dp) |
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| 95 | { |
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| 96 | dp->drv.id = CACA_DRIVER_RAW; |
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| 97 | dp->drv.driver = "raw"; |
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| 98 | |
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| 99 | dp->drv.init_graphics = raw_init_graphics; |
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| 100 | dp->drv.end_graphics = raw_end_graphics; |
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| 101 | dp->drv.set_display_title = raw_set_display_title; |
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| 102 | dp->drv.get_display_width = raw_get_display_width; |
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| 103 | dp->drv.get_display_height = raw_get_display_height; |
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| 104 | dp->drv.display = raw_display; |
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| 105 | dp->drv.handle_resize = raw_handle_resize; |
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| 106 | dp->drv.get_event = raw_get_event; |
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| 107 | dp->drv.set_mouse = NULL; |
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| 108 | dp->drv.set_cursor = NULL; |
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| 109 | |
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| 110 | return 0; |
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| 111 | } |
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| 112 | |
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| 113 | #endif /* !__KERNEL__ */ |
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