/* * copyright (c) 2009 Stefano Sabatini * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file libavfilter/parseutils.c * parsing utils */ #include <strings.h>#include "libavutil/avutil.h"#include "libavutil/random_seed.h"#include "parseutils.h" #define WHITESPACES " \n\t" char *av_get_token(const char **buf, const char *term){ char *out = av_malloc(strlen(*buf) + 1); char *ret= out, *end= out; const char *p = *buf; p += strspn(p, WHITESPACES); while(*p && !strspn(p, term)) { char c = *p++; if(c == '\\' && *p){ *out++ = *p++; end= out; }else if(c == '\''){ while(*p && *p != '\'') *out++ = *p++; if(*p){ p++; end= out; } }else{ *out++ = c; } } do{ *out-- = 0; }while(out >= end && strspn(out, WHITESPACES)); *buf = p; return ret;} typedef struct { const char *name; ///< a string representing the name of the color uint8_t rgba_color[4]; ///< RGBA values for the color} ColorEntry; static ColorEntry color_table[] = { { "AliceBlue", { 0xF0, 0xF8, 0xFF } }, { "AntiqueWhite", { 0xFA, 0xEB, 0xD7 } }, { "Aqua", { 0x00, 0xFF, 0xFF } }, { "Aquamarine", { 0x7F, 0xFF, 0xD4 } }, { "Azure", { 0xF0, 0xFF, 0xFF } }, { "Beige", { 0xF5, 0xF5, 0xDC } }, { "Bisque", { 0xFF, 0xE4, 0xC4 } }, { "Black", { 0x00, 0x00, 0x00 } }, { "BlanchedAlmond", { 0xFF, 0xEB, 0xCD } }, { "Blue", { 0x00, 0x00, 0xFF } }, { "BlueViolet", { 0x8A, 0x2B, 0xE2 } }, { "Brown", { 0xA5, 0x2A, 0x2A } }, { "BurlyWood", { 0xDE, 0xB8, 0x87 } }, { "CadetBlue", { 0x5F, 0x9E, 0xA0 } }, { "Chartreuse", { 0x7F, 0xFF, 0x00 } }, { "Chocolate", { 0xD2, 0x69, 0x1E } }, { "Coral", { 0xFF, 0x7F, 0x50 } }, { "CornflowerBlue", { 0x64, 0x95, 0xED } }, { "Cornsilk", { 0xFF, 0xF8, 0xDC } }, { "Crimson", { 0xDC, 0x14, 0x3C } }, { "Cyan", { 0x00, 0xFF, 0xFF } }, { "DarkBlue", { 0x00, 0x00, 0x8B } }, { "DarkCyan", { 0x00, 0x8B, 0x8B } }, { "DarkGoldenRod", { 0xB8, 0x86, 0x0B } }, { "DarkGray", { 0xA9, 0xA9, 0xA9 } }, { "DarkGreen", { 0x00, 0x64, 0x00 } }, { "DarkKhaki", { 0xBD, 0xB7, 0x6B } }, { "DarkMagenta", { 0x8B, 0x00, 0x8B } }, { "DarkOliveGreen", { 0x55, 0x6B, 0x2F } }, { "Darkorange", { 0xFF, 0x8C, 0x00 } }, { "DarkOrchid", { 0x99, 0x32, 0xCC } }, { "DarkRed", { 0x8B, 0x00, 0x00 } }, { "DarkSalmon", { 0xE9, 0x96, 0x7A } }, { "DarkSeaGreen", { 0x8F, 0xBC, 0x8F } }, { "DarkSlateBlue", { 0x48, 0x3D, 0x8B } }, { "DarkSlateGray", { 0x2F, 0x4F, 0x4F } }, { "DarkTurquoise", { 0x00, 0xCE, 0xD1 } }, { "DarkViolet", { 0x94, 0x00, 0xD3 } }, { "DeepPink", { 0xFF, 0x14, 0x93 } }, { "DeepSkyBlue", { 0x00, 0xBF, 0xFF } }, { "DimGray", { 0x69, 0x69, 0x69 } }, { "DodgerBlue", { 0x1E, 0x90, 0xFF } }, { "FireBrick", { 0xB2, 0x22, 0x22 } }, { "FloralWhite", { 0xFF, 0xFA, 0xF0 } }, { "ForestGreen", { 0x22, 0x8B, 0x22 } }, { "Fuchsia", { 0xFF, 0x00, 0xFF } }, { "Gainsboro", { 0xDC, 0xDC, 0xDC } }, { "GhostWhite", { 0xF8, 0xF8, 0xFF } }, { "Gold", { 0xFF, 0xD7, 0x00 } }, { "GoldenRod", { 0xDA, 0xA5, 0x20 } }, { "Gray", { 0x80, 0x80, 0x80 } }, { "Green", { 0x00, 0x80, 0x00 } }, { "GreenYellow", { 0xAD, 0xFF, 0x2F } }, { "HoneyDew", { 0xF0, 0xFF, 0xF0 } }, { "HotPink", { 0xFF, 0x69, 0xB4 } }, { "IndianRed", { 0xCD, 0x5C, 0x5C } }, { "Indigo", { 0x4B, 0x00, 0x82 } }, { "Ivory", { 0xFF, 0xFF, 0xF0 } }, { "Khaki", { 0xF0, 0xE6, 0x8C } }, { "Lavender", { 0xE6, 0xE6, 0xFA } }, { "LavenderBlush", { 0xFF, 0xF0, 0xF5 } }, { "LawnGreen", { 0x7C, 0xFC, 0x00 } }, { "LemonChiffon", { 0xFF, 0xFA, 0xCD } }, { "LightBlue", { 0xAD, 0xD8, 0xE6 } }, { "LightCoral", { 0xF0, 0x80, 0x80 } }, { "LightCyan", { 0xE0, 0xFF, 0xFF } }, { "LightGoldenRodYellow", { 0xFA, 0xFA, 0xD2 } }, { "LightGrey", { 0xD3, 0xD3, 0xD3 } }, { "LightGreen", { 0x90, 0xEE, 0x90 } }, { "LightPink", { 0xFF, 0xB6, 0xC1 } }, { "LightSalmon", { 0xFF, 0xA0, 0x7A } }, { "LightSeaGreen", { 0x20, 0xB2, 0xAA } }, { "LightSkyBlue", { 0x87, 0xCE, 0xFA } }, { "LightSlateGray", { 0x77, 0x88, 0x99 } }, { "LightSteelBlue", { 0xB0, 0xC4, 0xDE } }, { "LightYellow", { 0xFF, 0xFF, 0xE0 } }, { "Lime", { 0x00, 0xFF, 0x00 } }, { "LimeGreen", { 0x32, 0xCD, 0x32 } }, { "Linen", { 0xFA, 0xF0, 0xE6 } }, { "Magenta", { 0xFF, 0x00, 0xFF } }, { "Maroon", { 0x80, 0x00, 0x00 } }, { "MediumAquaMarine", { 0x66, 0xCD, 0xAA } }, { "MediumBlue", { 0x00, 0x00, 0xCD } }, { "MediumOrchid", { 0xBA, 0x55, 0xD3 } }, { "MediumPurple", { 0x93, 0x70, 0xD8 } }, { "MediumSeaGreen", { 0x3C, 0xB3, 0x71 } }, { "MediumSlateBlue", { 0x7B, 0x68, 0xEE } }, { "MediumSpringGreen", { 0x00, 0xFA, 0x9A } }, { "MediumTurquoise", { 0x48, 0xD1, 0xCC } }, { "MediumVioletRed", { 0xC7, 0x15, 0x85 } }, { "MidnightBlue", { 0x19, 0x19, 0x70 } }, { "MintCream", { 0xF5, 0xFF, 0xFA } }, { "MistyRose", { 0xFF, 0xE4, 0xE1 } }, { "Moccasin", { 0xFF, 0xE4, 0xB5 } }, { "NavajoWhite", { 0xFF, 0xDE, 0xAD } }, { "Navy", { 0x00, 0x00, 0x80 } }, { "OldLace", { 0xFD, 0xF5, 0xE6 } }, { "Olive", { 0x80, 0x80, 0x00 } }, { "OliveDrab", { 0x6B, 0x8E, 0x23 } }, { "Orange", { 0xFF, 0xA5, 0x00 } }, { "OrangeRed", { 0xFF, 0x45, 0x00 } }, { "Orchid", { 0xDA, 0x70, 0xD6 } }, { "PaleGoldenRod", { 0xEE, 0xE8, 0xAA } }, { "PaleGreen", { 0x98, 0xFB, 0x98 } }, { "PaleTurquoise", { 0xAF, 0xEE, 0xEE } }, { "PaleVioletRed", { 0xD8, 0x70, 0x93 } }, { "PapayaWhip", { 0xFF, 0xEF, 0xD5 } }, { "PeachPuff", { 0xFF, 0xDA, 0xB9 } }, { "Peru", { 0xCD, 0x85, 0x3F } }, { "Pink", { 0xFF, 0xC0, 0xCB } }, { "Plum", { 0xDD, 0xA0, 0xDD } }, { "PowderBlue", { 0xB0, 0xE0, 0xE6 } }, { "Purple", { 0x80, 0x00, 0x80 } }, { "Red", { 0xFF, 0x00, 0x00 } }, { "RosyBrown", { 0xBC, 0x8F, 0x8F } }, { "RoyalBlue", { 0x41, 0x69, 0xE1 } }, { "SaddleBrown", { 0x8B, 0x45, 0x13 } }, { "Salmon", { 0xFA, 0x80, 0x72 } }, { "SandyBrown", { 0xF4, 0xA4, 0x60 } }, { "SeaGreen", { 0x2E, 0x8B, 0x57 } }, { "SeaShell", { 0xFF, 0xF5, 0xEE } }, { "Sienna", { 0xA0, 0x52, 0x2D } }, { "Silver", { 0xC0, 0xC0, 0xC0 } }, { "SkyBlue", { 0x87, 0xCE, 0xEB } }, { "SlateBlue", { 0x6A, 0x5A, 0xCD } }, { "SlateGray", { 0x70, 0x80, 0x90 } }, { "Snow", { 0xFF, 0xFA, 0xFA } }, { "SpringGreen", { 0x00, 0xFF, 0x7F } }, { "SteelBlue", { 0x46, 0x82, 0xB4 } }, { "Tan", { 0xD2, 0xB4, 0x8C } }, { "Teal", { 0x00, 0x80, 0x80 } }, { "Thistle", { 0xD8, 0xBF, 0xD8 } }, { "Tomato", { 0xFF, 0x63, 0x47 } }, { "Turquoise", { 0x40, 0xE0, 0xD0 } }, { "Violet", { 0xEE, 0x82, 0xEE } }, { "Wheat", { 0xF5, 0xDE, 0xB3 } }, { "White", { 0xFF, 0xFF, 0xFF } }, { "WhiteSmoke", { 0xF5, 0xF5, 0xF5 } }, { "Yellow", { 0xFF, 0xFF, 0x00 } }, { "YellowGreen", { 0x9A, 0xCD, 0x32 } },}; static int color_table_compare(const void *lhs, const void *rhs){ return strcasecmp(lhs, ((const ColorEntry *)rhs)->name);} int av_parse_color(uint8_t *rgba_color, const char *color_string, void *log_ctx){ if (!strcasecmp(color_string, "random") || !strcasecmp(color_string, "bikeshed")) { int rgba = ff_random_get_seed(); rgba_color[0] = rgba >> 24; rgba_color[1] = rgba >> 16; rgba_color[2] = rgba >> 8; rgba_color[3] = rgba; } else if (!strncmp(color_string, "0x", 2)) { char *tail; int len = strlen(color_string); int rgba = strtol(color_string, &tail, 16); if (*tail || (len != 8 && len != 10)) { av_log(log_ctx, AV_LOG_ERROR, "Invalid 0xRRGGBB[AA] color string: '%s'\n", color_string); return -1; } if (len == 10) { rgba_color[3] = rgba; rgba >>= 8; } rgba_color[0] = rgba >> 16; rgba_color[1] = rgba >> 8; rgba_color[2] = rgba; } else { const ColorEntry *entry = bsearch(color_string, color_table, FF_ARRAY_ELEMS(color_table), sizeof(ColorEntry), color_table_compare); if (!entry) { av_log(log_ctx, AV_LOG_DEBUG, "Cannot find color '%s'\n", color_string); return -1; } memcpy(rgba_color, entry->rgba_color, 4); } return 0;} #ifdef TEST #undef printf int main(void){ int i; const char *strings[] = { "''", "", ":", "\\", "'", " '' :", " '' '' :", "foo '' :", "'foo'", "foo ", "foo\\", "foo': blah:blah", "foo\\: blah:blah", "foo\'", "'foo : ' :blahblah", "\\ :blah", " foo", " foo ", " foo \\ ", "foo ':blah", " foo bar : blahblah", "\\f\\o\\o", "'foo : \\ \\ ' : blahblah", "'\\fo\\o:': blahblah", "\\'fo\\o\\:': foo ' :blahblah" }; for (i=0; i < FF_ARRAY_ELEMS(strings); i++) { const char *p= strings[i]; printf("|%s|", p); printf(" -> |%s|", av_get_token(&p, ":")); printf(" + |%s|\n", p); } printf("\nTesting av_parse_color()\n"); { uint8_t rgba[4]; const char *color_names[] = { "bikeshed", "RaNdOm", "foo", "red", "Red ", "RED", "Violet", "Yellow", "Red", "0x000000", "0x0000000", "0x3e34ff", "0x3e34ffaa", "0xffXXee", "0xfoobar", "0xffffeeeeeeee", }; av_log_set_level(AV_LOG_DEBUG); for (int i = 0; i < FF_ARRAY_ELEMS(color_names); i++) { if (av_parse_color(rgba, color_names[i], NULL) >= 0) printf("%s -> R(%d) G(%d) B(%d) A(%d)\n", color_names[i], rgba[0], rgba[1], rgba[2], rgba[3]); } } return 0;} #endif
/*
* copyright (c) 2009 Stefano Sabatini
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file libavfilter/parseutils.c
* parsing utils
*/
#include <strings.h>
#include "libavutil/avutil.h"
#include "libavutil/random_seed.h"
#include "parseutils.h"
#define WHITESPACES " \n\t"
char *av_get_token(const char **buf, const char *term)
{
char *out = av_malloc(strlen(*buf) + 1);
char *ret= out, *end= out;
const char *p = *buf;
p += strspn(p, WHITESPACES);
while(*p && !strspn(p, term)) {
char c = *p++;
if(c == '\\' && *p){
*out++ = *p++;
end= out;
}else if(c == '\''){
while(*p && *p != '\'')
*out++ = *p++;
if(*p){
p++;
end= out;
}
}else{
*out++ = c;
}
}
do{
*out-- = 0;
}while(out >= end && strspn(out, WHITESPACES));
*buf = p;
return ret;
}
typedef struct {
const char *name; ///< a string representing the name of the color
uint8_t rgba_color[4]; ///< RGBA values for the color
} ColorEntry;
static ColorEntry color_table[] = {
{ "AliceBlue", { 0xF0, 0xF8, 0xFF } },
{ "AntiqueWhite", { 0xFA, 0xEB, 0xD7 } },
{ "Aqua", { 0x00, 0xFF, 0xFF } },
{ "Aquamarine", { 0x7F, 0xFF, 0xD4 } },
{ "Azure", { 0xF0, 0xFF, 0xFF } },
{ "Beige", { 0xF5, 0xF5, 0xDC } },
{ "Bisque", { 0xFF, 0xE4, 0xC4 } },
{ "Black", { 0x00, 0x00, 0x00 } },
{ "BlanchedAlmond", { 0xFF, 0xEB, 0xCD } },
{ "Blue", { 0x00, 0x00, 0xFF } },
{ "BlueViolet", { 0x8A, 0x2B, 0xE2 } },
{ "Brown", { 0xA5, 0x2A, 0x2A } },
{ "BurlyWood", { 0xDE, 0xB8, 0x87 } },
{ "CadetBlue", { 0x5F, 0x9E, 0xA0 } },
{ "Chartreuse", { 0x7F, 0xFF, 0x00 } },
{ "Chocolate", { 0xD2, 0x69, 0x1E } },
{ "Coral", { 0xFF, 0x7F, 0x50 } },
{ "CornflowerBlue", { 0x64, 0x95, 0xED } },
{ "Cornsilk", { 0xFF, 0xF8, 0xDC } },
{ "Crimson", { 0xDC, 0x14, 0x3C } },
{ "Cyan", { 0x00, 0xFF, 0xFF } },
{ "DarkBlue", { 0x00, 0x00, 0x8B } },
{ "DarkCyan", { 0x00, 0x8B, 0x8B } },
{ "DarkGoldenRod", { 0xB8, 0x86, 0x0B } },
{ "DarkGray", { 0xA9, 0xA9, 0xA9 } },
{ "DarkGreen", { 0x00, 0x64, 0x00 } },
{ "DarkKhaki", { 0xBD, 0xB7, 0x6B } },
{ "DarkMagenta", { 0x8B, 0x00, 0x8B } },
{ "DarkOliveGreen", { 0x55, 0x6B, 0x2F } },
{ "Darkorange", { 0xFF, 0x8C, 0x00 } },
{ "DarkOrchid", { 0x99, 0x32, 0xCC } },
{ "DarkRed", { 0x8B, 0x00, 0x00 } },
{ "DarkSalmon", { 0xE9, 0x96, 0x7A } },
{ "DarkSeaGreen", { 0x8F, 0xBC, 0x8F } },
{ "DarkSlateBlue", { 0x48, 0x3D, 0x8B } },
{ "DarkSlateGray", { 0x2F, 0x4F, 0x4F } },
{ "DarkTurquoise", { 0x00, 0xCE, 0xD1 } },
{ "DarkViolet", { 0x94, 0x00, 0xD3 } },
{ "DeepPink", { 0xFF, 0x14, 0x93 } },
{ "DeepSkyBlue", { 0x00, 0xBF, 0xFF } },
{ "DimGray", { 0x69, 0x69, 0x69 } },
{ "DodgerBlue", { 0x1E, 0x90, 0xFF } },
{ "FireBrick", { 0xB2, 0x22, 0x22 } },
{ "FloralWhite", { 0xFF, 0xFA, 0xF0 } },
{ "ForestGreen", { 0x22, 0x8B, 0x22 } },
{ "Fuchsia", { 0xFF, 0x00, 0xFF } },
{ "Gainsboro", { 0xDC, 0xDC, 0xDC } },
{ "GhostWhite", { 0xF8, 0xF8, 0xFF } },
{ "Gold", { 0xFF, 0xD7, 0x00 } },
{ "GoldenRod", { 0xDA, 0xA5, 0x20 } },
{ "Gray", { 0x80, 0x80, 0x80 } },
{ "Green", { 0x00, 0x80, 0x00 } },
{ "GreenYellow", { 0xAD, 0xFF, 0x2F } },
{ "HoneyDew", { 0xF0, 0xFF, 0xF0 } },
{ "HotPink", { 0xFF, 0x69, 0xB4 } },
{ "IndianRed", { 0xCD, 0x5C, 0x5C } },
{ "Indigo", { 0x4B, 0x00, 0x82 } },
{ "Ivory", { 0xFF, 0xFF, 0xF0 } },
{ "Khaki", { 0xF0, 0xE6, 0x8C } },
{ "Lavender", { 0xE6, 0xE6, 0xFA } },
{ "LavenderBlush", { 0xFF, 0xF0, 0xF5 } },
{ "LawnGreen", { 0x7C, 0xFC, 0x00 } },
{ "LemonChiffon", { 0xFF, 0xFA, 0xCD } },
{ "LightBlue", { 0xAD, 0xD8, 0xE6 } },
{ "LightCoral", { 0xF0, 0x80, 0x80 } },
{ "LightCyan", { 0xE0, 0xFF, 0xFF } },
{ "LightGoldenRodYellow", { 0xFA, 0xFA, 0xD2 } },
{ "LightGrey", { 0xD3, 0xD3, 0xD3 } },
{ "LightGreen", { 0x90, 0xEE, 0x90 } },
{ "LightPink", { 0xFF, 0xB6, 0xC1 } },
{ "LightSalmon", { 0xFF, 0xA0, 0x7A } },
{ "LightSeaGreen", { 0x20, 0xB2, 0xAA } },
{ "LightSkyBlue", { 0x87, 0xCE, 0xFA } },
{ "LightSlateGray", { 0x77, 0x88, 0x99 } },
{ "LightSteelBlue", { 0xB0, 0xC4, 0xDE } },
{ "LightYellow", { 0xFF, 0xFF, 0xE0 } },
{ "Lime", { 0x00, 0xFF, 0x00 } },
{ "LimeGreen", { 0x32, 0xCD, 0x32 } },
{ "Linen", { 0xFA, 0xF0, 0xE6 } },
{ "Magenta", { 0xFF, 0x00, 0xFF } },
{ "Maroon", { 0x80, 0x00, 0x00 } },
{ "MediumAquaMarine", { 0x66, 0xCD, 0xAA } },
{ "MediumBlue", { 0x00, 0x00, 0xCD } },
{ "MediumOrchid", { 0xBA, 0x55, 0xD3 } },
{ "MediumPurple", { 0x93, 0x70, 0xD8 } },
{ "MediumSeaGreen", { 0x3C, 0xB3, 0x71 } },
{ "MediumSlateBlue", { 0x7B, 0x68, 0xEE } },
{ "MediumSpringGreen", { 0x00, 0xFA, 0x9A } },
{ "MediumTurquoise", { 0x48, 0xD1, 0xCC } },
{ "MediumVioletRed", { 0xC7, 0x15, 0x85 } },
{ "MidnightBlue", { 0x19, 0x19, 0x70 } },
{ "MintCream", { 0xF5, 0xFF, 0xFA } },
{ "MistyRose", { 0xFF, 0xE4, 0xE1 } },
{ "Moccasin", { 0xFF, 0xE4, 0xB5 } },
{ "NavajoWhite", { 0xFF, 0xDE, 0xAD } },
{ "Navy", { 0x00, 0x00, 0x80 } },
{ "OldLace", { 0xFD, 0xF5, 0xE6 } },
{ "Olive", { 0x80, 0x80, 0x00 } },
{ "OliveDrab", { 0x6B, 0x8E, 0x23 } },
{ "Orange", { 0xFF, 0xA5, 0x00 } },
{ "OrangeRed", { 0xFF, 0x45, 0x00 } },
{ "Orchid", { 0xDA, 0x70, 0xD6 } },
{ "PaleGoldenRod", { 0xEE, 0xE8, 0xAA } },
{ "PaleGreen", { 0x98, 0xFB, 0x98 } },
{ "PaleTurquoise", { 0xAF, 0xEE, 0xEE } },
{ "PaleVioletRed", { 0xD8, 0x70, 0x93 } },
{ "PapayaWhip", { 0xFF, 0xEF, 0xD5 } },
{ "PeachPuff", { 0xFF, 0xDA, 0xB9 } },
{ "Peru", { 0xCD, 0x85, 0x3F } },
{ "Pink", { 0xFF, 0xC0, 0xCB } },
{ "Plum", { 0xDD, 0xA0, 0xDD } },
{ "PowderBlue", { 0xB0, 0xE0, 0xE6 } },
{ "Purple", { 0x80, 0x00, 0x80 } },
{ "Red", { 0xFF, 0x00, 0x00 } },
{ "RosyBrown", { 0xBC, 0x8F, 0x8F } },
{ "RoyalBlue", { 0x41, 0x69, 0xE1 } },
{ "SaddleBrown", { 0x8B, 0x45, 0x13 } },
{ "Salmon", { 0xFA, 0x80, 0x72 } },
{ "SandyBrown", { 0xF4, 0xA4, 0x60 } },
{ "SeaGreen", { 0x2E, 0x8B, 0x57 } },
{ "SeaShell", { 0xFF, 0xF5, 0xEE } },
{ "Sienna", { 0xA0, 0x52, 0x2D } },
{ "Silver", { 0xC0, 0xC0, 0xC0 } },
{ "SkyBlue", { 0x87, 0xCE, 0xEB } },
{ "SlateBlue", { 0x6A, 0x5A, 0xCD } },
{ "SlateGray", { 0x70, 0x80, 0x90 } },
{ "Snow", { 0xFF, 0xFA, 0xFA } },
{ "SpringGreen", { 0x00, 0xFF, 0x7F } },
{ "SteelBlue", { 0x46, 0x82, 0xB4 } },
{ "Tan", { 0xD2, 0xB4, 0x8C } },
{ "Teal", { 0x00, 0x80, 0x80 } },
{ "Thistle", { 0xD8, 0xBF, 0xD8 } },
{ "Tomato", { 0xFF, 0x63, 0x47 } },
{ "Turquoise", { 0x40, 0xE0, 0xD0 } },
{ "Violet", { 0xEE, 0x82, 0xEE } },
{ "Wheat", { 0xF5, 0xDE, 0xB3 } },
{ "White", { 0xFF, 0xFF, 0xFF } },
{ "WhiteSmoke", { 0xF5, 0xF5, 0xF5 } },
{ "Yellow", { 0xFF, 0xFF, 0x00 } },
{ "YellowGreen", { 0x9A, 0xCD, 0x32 } },
};
static int color_table_compare(const void *lhs, const void *rhs)
{
return strcasecmp(lhs, ((const ColorEntry *)rhs)->name);
}
int av_parse_color(uint8_t *rgba_color, const char *color_string, void *log_ctx)
{
if (!strcasecmp(color_string, "random") || !strcasecmp(color_string, "bikeshed")) {
int rgba = ff_random_get_seed();
rgba_color[0] = rgba >> 24;
rgba_color[1] = rgba >> 16;
rgba_color[2] = rgba >> 8;
rgba_color[3] = rgba;
} else
if (!strncmp(color_string, "0x", 2)) {
char *tail;
int len = strlen(color_string);
int rgba = strtol(color_string, &tail, 16);
if (*tail || (len != 8 && len != 10)) {
av_log(log_ctx, AV_LOG_ERROR, "Invalid 0xRRGGBB[AA] color string: '%s'\n", color_string);
return -1;
}
if (len == 10) {
rgba_color[3] = rgba;
rgba >>= 8;
}
rgba_color[0] = rgba >> 16;
rgba_color[1] = rgba >> 8;
rgba_color[2] = rgba;
} else {
const ColorEntry *entry = bsearch(color_string,
color_table,
FF_ARRAY_ELEMS(color_table),
sizeof(ColorEntry),
color_table_compare);
if (!entry) {
av_log(log_ctx, AV_LOG_DEBUG, "Cannot find color '%s'\n", color_string);
return -1;
}
memcpy(rgba_color, entry->rgba_color, 4);
}
return 0;
}
#ifdef TEST
#undef printf
int main(void)
{
int i;
const char *strings[] = {
"''",
"",
":",
"\\",
"'",
" '' :",
" '' '' :",
"foo '' :",
"'foo'",
"foo ",
"foo\\",
"foo': blah:blah",
"foo\\: blah:blah",
"foo\'",
"'foo : ' :blahblah",
"\\ :blah",
" foo",
" foo ",
" foo \\ ",
"foo ':blah",
" foo bar : blahblah",
"\\f\\o\\o",
"'foo : \\ \\ ' : blahblah",
"'\\fo\\o:': blahblah",
"\\'fo\\o\\:': foo ' :blahblah"
};
for (i=0; i < FF_ARRAY_ELEMS(strings); i++) {
const char *p= strings[i];
printf("|%s|", p);
printf(" -> |%s|", av_get_token(&p, ":"));
printf(" + |%s|\n", p);
}
printf("\nTesting av_parse_color()\n");
{
uint8_t rgba[4];
const char *color_names[] = {
"bikeshed",
"RaNdOm",
"foo",
"red",
"Red ",
"RED",
"Violet",
"Yellow",
"Red",
"0x000000",
"0x0000000",
"0x3e34ff",
"0x3e34ffaa",
"0xffXXee",
"0xfoobar",
"0xffffeeeeeeee",
};
av_log_set_level(AV_LOG_DEBUG);
for (int i = 0; i < FF_ARRAY_ELEMS(color_names); i++) {
if (av_parse_color(rgba, color_names[i], NULL) >= 0)
printf("%s -> R(%d) G(%d) B(%d) A(%d)\n", color_names[i], rgba[0], rgba[1], rgba[2], rgba[3]);
}
}
return 0;
}
#endif