[1940] | 1 | //colors.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009 |
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| 5 | * |
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| 6 | * This file is part of libroardsp a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * libroardsp is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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| 25 | #include "libroarlight.h" |
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| 26 | |
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[1941] | 27 | int roar_color_new (struct roar_color * c) { |
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| 28 | if ( c == NULL ) |
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| 29 | return -1; |
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| 30 | |
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| 31 | memset(c, 0, sizeof(struct roar_color)); |
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| 32 | |
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| 33 | c->system = ROAR_COLORSYSTEM_NONE; |
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| 34 | |
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| 35 | return 0; |
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| 36 | } |
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| 37 | |
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| 38 | int roar_color_new_gray (struct roar_color * c, unsigned char k) { |
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| 39 | if ( roar_color_new(c) == -1 ) |
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| 40 | return -1; |
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| 41 | |
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| 42 | c->system = ROAR_COLORSYSTEM_GRAY; |
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| 43 | |
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| 44 | c->color.gray.k = k; |
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| 45 | |
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| 46 | return 0; |
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| 47 | } |
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| 48 | |
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| 49 | int roar_color_new_rgb (struct roar_color * c, unsigned char r, unsigned char g, unsigned char b) { |
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| 50 | if ( roar_color_new(c) == -1 ) |
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| 51 | return -1; |
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| 52 | |
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| 53 | c->system = ROAR_COLORSYSTEM_RGB; |
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| 54 | |
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| 55 | c->color.rgb.r = r; |
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| 56 | c->color.rgb.g = g; |
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| 57 | c->color.rgb.b = b; |
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| 58 | |
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| 59 | return 0; |
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| 60 | } |
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| 61 | |
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| 62 | int roar_color_copy (struct roar_color * dst, struct roar_color * src) { |
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| 63 | if ( dst == NULL || src == NULL ) |
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| 64 | return -1; |
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| 65 | |
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| 66 | memcpy(dst, src, sizeof(struct roar_color)); |
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| 67 | |
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| 68 | return 0; |
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| 69 | } |
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| 70 | |
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| 71 | int roar_color_conv (struct roar_color * c, uint32_t system) { |
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| 72 | if ( c == NULL ) |
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| 73 | return -1; |
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| 74 | |
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| 75 | switch (c->system) { |
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| 76 | case ROAR_COLORSYSTEM_GRAY: |
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| 77 | return roar_color_conv_gray(c, system); |
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| 78 | break; |
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| 79 | case ROAR_COLORSYSTEM_RGB: |
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| 80 | return roar_color_conv_rgb(c, system); |
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| 81 | break; |
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| 82 | } |
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| 83 | |
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| 84 | return -1; |
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| 85 | } |
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| 86 | |
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| 87 | int roar_color_conv_gray (struct roar_color * c, uint32_t system) { |
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| 88 | unsigned char k; |
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| 89 | |
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| 90 | if ( c == NULL ) |
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| 91 | return -1; |
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| 92 | |
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| 93 | if ( c->system != ROAR_COLORSYSTEM_GRAY ) |
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| 94 | return -1; |
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| 95 | |
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| 96 | switch (system) { |
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| 97 | case ROAR_COLORSYSTEM_RGB: |
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| 98 | k = c->color.gray.k; |
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| 99 | c->color.rgb.r = k; |
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| 100 | c->color.rgb.g = k; |
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| 101 | c->color.rgb.b = k; |
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| 102 | c->system = ROAR_COLORSYSTEM_RGB; |
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| 103 | return 0; |
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| 104 | break; |
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| 105 | } |
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| 106 | |
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| 107 | return -1; |
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| 108 | } |
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| 109 | |
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| 110 | int roar_color_conv_rgb (struct roar_color * c, uint32_t system) { |
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| 111 | if ( c == NULL ) |
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| 112 | return -1; |
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| 113 | |
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| 114 | if ( c->system != ROAR_COLORSYSTEM_GRAY ) |
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| 115 | return -1; |
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| 116 | |
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| 117 | switch (system) { |
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| 118 | } |
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| 119 | |
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| 120 | return -1; |
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| 121 | } |
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| 122 | |
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[1940] | 123 | //ll |
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