/* * Copyright 2006 The Android Open Source Project * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file.
#include "include/utils/SkParse.h"
#include "include/core/SkColor.h"
#include "include/core/SkTypes.h"
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <iterator>
static constexpr
const char * gColorNames[] = {
"aliceblue" ,
"antiquewhite" ,
"aqua" ,
"aquamarine" ,
"azure" ,
"beige" ,
"bisque" ,
"black" ,
"blanchedalmond" ,
"blue" ,
"blueviolet" ,
"brown" ,
"burlywood" ,
"cadetblue" ,
"chartreuse" ,
"chocolate" ,
"coral" ,
"cornflowerblue" ,
"cornsilk" ,
"crimson" ,
"cyan" ,
"darkblue" ,
"darkcyan" ,
"darkgoldenrod" ,
"darkgray" ,
"darkgreen" ,
"darkkhaki" ,
"darkmagenta" ,
"darkolivegreen" ,
"darkorange" ,
"darkorchid" ,
"darkred" ,
"darksalmon" ,
"darkseagreen" ,
"darkslateblue" ,
"darkslategray" ,
"darkturquoise" ,
"darkviolet" ,
"deeppink" ,
"deepskyblue" ,
"dimgray" ,
"dodgerblue" ,
"firebrick" ,
"floralwhite" ,
"forestgreen" ,
"fuchsia" ,
"gainsboro" ,
"ghostwhite" ,
"gold" ,
"goldenrod" ,
"gray" ,
"green" ,
"greenyellow" ,
"honeydew" ,
"hotpink" ,
"indianred" ,
"indigo" ,
"ivory" ,
"khaki" ,
"lavender" ,
"lavenderblush" ,
"lawngreen" ,
"lemonchiffon" ,
"lightblue" ,
"lightcoral" ,
"lightcyan" ,
"lightgoldenrodyellow" ,
"lightgreen" ,
"lightgrey" ,
"lightpink" ,
"lightsalmon" ,
"lightseagreen" ,
"lightskyblue" ,
"lightslategray" ,
"lightsteelblue" ,
"lightyellow" ,
"lime" ,
"limegreen" ,
"linen" ,
"magenta" ,
"maroon" ,
"mediumaquamarine" ,
"mediumblue" ,
"mediumorchid" ,
"mediumpurple" ,
"mediumseagreen" ,
"mediumslateblue" ,
"mediumspringgreen" ,
"mediumturquoise" ,
"mediumvioletred" ,
"midnightblue" ,
"mintcream" ,
"mistyrose" ,
"moccasin" ,
"navajowhite" ,
"navy" ,
"oldlace" ,
"olive" ,
"olivedrab" ,
"orange" ,
"orangered" ,
"orchid" ,
"palegoldenrod" ,
"palegreen" ,
"paleturquoise" ,
"palevioletred" ,
"papayawhip" ,
"peachpuff" ,
"peru" ,
"pink" ,
"plum" ,
"powderblue" ,
"purple" ,
"red" ,
"rosybrown" ,
"royalblue" ,
"saddlebrown" ,
"salmon" ,
"sandybrown" ,
"seagreen" ,
"seashell" ,
"sienna" ,
"silver" ,
"skyblue" ,
"slateblue" ,
"slategray" ,
"snow" ,
"springgreen" ,
"steelblue" ,
"tan" ,
"teal" ,
"thistle" ,
"tomato" ,
"turquoise" ,
"violet" ,
"wheat" ,
"white" ,
"whitesmoke" ,
"yellow" ,
"yellowgreen" ,
};
static constexpr
struct ColorRec {
uint8_t r, g, b;
} gColors[] = {
{ 0xf0,0xf8,0xff },
// aliceblue
{ 0xfa,0xeb,0xd7 },
// antiquewhite
{ 0x00,0xff,0xff },
// aqua
{ 0x7f,0xff,0xd4 },
// aquamarine
{ 0xf0,0xff,0xff },
// azure
{ 0xf5,0xf5,0xdc },
// beige
{ 0xff,0xe4,0xc4 },
// bisque
{ 0x00,0x00,0x00 },
// black
{ 0xff,0xeb,0xcd },
// blanchedalmond
{ 0x00,0x00,0xff },
// blue
{ 0x8a,0x2b,0xe2 },
// blueviolet
{ 0xa5,0x2a,0x2a },
// brown
{ 0xde,0xb8,0x87 },
// burlywood
{ 0x5f,0x9e,0xa0 },
// cadetblue
{ 0x7f,0xff,0x00 },
// chartreuse
{ 0xd2,0x69,0x1e },
// chocolate
{ 0xff,0x7f,0x50 },
// coral
{ 0x64,0x95,0xed },
// cornflowerblue
{ 0xff,0xf8,0xdc },
// cornsilk
{ 0xdc,0x14,0x3c },
// crimson
{ 0x00,0xff,0xff },
// cyan
{ 0x00,0x00,0x8b },
// darkblue
{ 0x00,0x8b,0x8b },
// darkcyan
{ 0xb8,0x86,0x0b },
// darkgoldenrod
{ 0xa9,0xa9,0xa9 },
// darkgray
{ 0x00,0x64,0x00 },
// darkgreen
{ 0xbd,0xb7,0x6b },
// darkkhaki
{ 0x8b,0x00,0x8b },
// darkmagenta
{ 0x55,0x6b,0x2f },
// darkolivegreen
{ 0xff,0x8c,0x00 },
// darkorange
{ 0x99,0x32,0xcc },
// darkorchid
{ 0x8b,0x00,0x00 },
// darkred
{ 0xe9,0x96,0x7a },
// darksalmon
{ 0x8f,0xbc,0x8f },
// darkseagreen
{ 0x48,0x3d,0x8b },
// darkslateblue
{ 0x2f,0x4f,0x4f },
// darkslategray
{ 0x00,0xce,0xd1 },
// darkturquoise
{ 0x94,0x00,0xd3 },
// darkviolet
{ 0xff,0x14,0x93 },
// deeppink
{ 0x00,0xbf,0xff },
// deepskyblue
{ 0x69,0x69,0x69 },
// dimgray
{ 0x1e,0x90,0xff },
// dodgerblue
{ 0xb2,0x22,0x22 },
// firebrick
{ 0xff,0xfa,0xf0 },
// floralwhite
{ 0x22,0x8b,0x22 },
// forestgreen
{ 0xff,0x00,0xff },
// fuchsia
{ 0xdc,0xdc,0xdc },
// gainsboro
{ 0xf8,0xf8,0xff },
// ghostwhite
{ 0xff,0xd7,0x00 },
// gold
{ 0xda,0xa5,0x20 },
// goldenrod
{ 0x80,0x80,0x80 },
// gray
{ 0x00,0x80,0x00 },
// green
{ 0xad,0xff,0x2f },
// greenyellow
{ 0xf0,0xff,0xf0 },
// honeydew
{ 0xff,0x69,0xb4 },
// hotpink
{ 0xcd,0x5c,0x5c },
// indianred
{ 0x4b,0x00,0x82 },
// indigo
{ 0xff,0xff,0xf0 },
// ivory
{ 0xf0,0xe6,0x8c },
// khaki
{ 0xe6,0xe6,0xfa },
// lavender
{ 0xff,0xf0,0xf5 },
// lavenderblush
{ 0x7c,0xfc,0x00 },
// lawngreen
{ 0xff,0xfa,0xcd },
// lemonchiffon
{ 0xad,0xd8,0xe6 },
// lightblue
{ 0xf0,0x80,0x80 },
// lightcoral
{ 0xe0,0xff,0xff },
// lightcyan
{ 0xfa,0xfa,0xd2 },
// lightgoldenrodyellow
{ 0x90,0xee,0x90 },
// lightgreen
{ 0xd3,0xd3,0xd3 },
// lightgrey
{ 0xff,0xb6,0xc1 },
// lightpink
{ 0xff,0xa0,0x7a },
// lightsalmon
{ 0x20,0xb2,0xaa },
// lightseagreen
{ 0x87,0xce,0xfa },
// lightskyblue
{ 0x77,0x88,0x99 },
// lightslategray
{ 0xb0,0xc4,0xde },
// lightsteelblue
{ 0xff,0xff,0xe0 },
// lightyellow
{ 0x00,0xff,0x00 },
// lime
{ 0x32,0xcd,0x32 },
// limegreen
{ 0xfa,0xf0,0xe6 },
// linen
{ 0xff,0x00,0xff },
// magenta
{ 0x80,0x00,0x00 },
// maroon
{ 0x66,0xcd,0xaa },
// mediumaquamarine
{ 0x00,0x00,0xcd },
// mediumblue
{ 0xba,0x55,0xd3 },
// mediumorchid
{ 0x93,0x70,0xdb },
// mediumpurple
{ 0x3c,0xb3,0x71 },
// mediumseagreen
{ 0x7b,0x68,0xee },
// mediumslateblue
{ 0x00,0xfa,0x9a },
// mediumspringgreen
{ 0x48,0xd1,0xcc },
// mediumturquoise
{ 0xc7,0x15,0x85 },
// mediumvioletred
{ 0x19,0x19,0x70 },
// midnightblue
{ 0xf5,0xff,0xfa },
// mintcream
{ 0xff,0xe4,0xe1 },
// mistyrose
{ 0xff,0xe4,0xb5 },
// moccasin
{ 0xff,0xde,0xad },
// navajowhite
{ 0x00,0x00,0x80 },
// navy
{ 0xfd,0xf5,0xe6 },
// oldlace
{ 0x80,0x80,0x00 },
// olive
{ 0x6b,0x8e,0x23 },
// olivedrab
{ 0xff,0xa5,0x00 },
// orange
{ 0xff,0x45,0x00 },
// orangered
{ 0xda,0x70,0xd6 },
// orchid
{ 0xee,0xe8,0xaa },
// palegoldenrod
{ 0x98,0xfb,0x98 },
// palegreen
{ 0xaf,0xee,0xee },
// paleturquoise
{ 0xdb,0x70,0x93 },
// palevioletred
{ 0xff,0xef,0xd5 },
// papayawhip
{ 0xff,0xda,0xb9 },
// peachpuff
{ 0xcd,0x85,0x3f },
// peru
{ 0xff,0xc0,0xcb },
// pink
{ 0xdd,0xa0,0xdd },
// plum
{ 0xb0,0xe0,0xe6 },
// powderblue
{ 0x80,0x00,0x80 },
// purple
{ 0xff,0x00,0x00 },
// red
{ 0xbc,0x8f,0x8f },
// rosybrown
{ 0x41,0x69,0xe1 },
// royalblue
{ 0x8b,0x45,0x13 },
// saddlebrown
{ 0xfa,0x80,0x72 },
// salmon
{ 0xf4,0xa4,0x60 },
// sandybrown
{ 0x2e,0x8b,0x57 },
// seagreen
{ 0xff,0xf5,0xee },
// seashell
{ 0xa0,0x52,0x2d },
// sienna
{ 0xc0,0xc0,0xc0 },
// silver
{ 0x87,0xce,0xeb },
// skyblue
{ 0x6a,0x5a,0xcd },
// slateblue
{ 0x70,0x80,0x90 },
// slategray
{ 0xff,0xfa,0xfa },
// snow
{ 0x00,0xff,0x7f },
// springgreen
{ 0x46,0x82,0xb4 },
// steelblue
{ 0xd2,0xb4,0x8c },
// tan
{ 0x00,0x80,0x80 },
// teal
{ 0xd8,0xbf,0xd8 },
// thistle
{ 0xff,0x63,0x47 },
// tomato
{ 0x40,0xe0,0xd0 },
// turquoise
{ 0xee,0x82,0xee },
// violet
{ 0xf5,0xde,0xb3 },
// wheat
{ 0xff,0xff,0xff },
// white
{ 0xf5,0xf5,0xf5 },
// whitesmoke
{ 0xff,0xff,0x00 },
// yellow
{ 0x9a,0xcd,0x32 },
// yellowgreen
};
const char * SkParse::FindNamedColor(
const char * name, size_t len, SkColor* color) {
const auto rec = std::lower_bound(std::begin(gColorNames),
std::end (gColorNames),
name,
// key
[](
const char * name,
const char * key) {
return strcmp(name, key) < 0;
});
if (rec == std::end(gColorNames) || 0 != strcmp(name, *rec)) {
return nullptr;
}
if (color) {
int index = rec - gColorNames;
*color = SkColorSetRGB(gColors[index].r, gColors[index].g, gColors[index].b);
}
return name + strlen(*rec);
}
// !!! move to char utilities
//static int count_separators(const char* str, const char* sep) {
// char c;
// int separators = 0;
// while ((c = *str++) != '\0') {
// if (strchr(sep, c) == nullptr)
// continue;
// do {
// if ((c = *str++) == '\0')
// goto goHome;
// } while (strchr(sep, c) != nullptr);
// separators++;
// }
//goHome:
// return separators;
//}
static inline unsigned nib2byte(
unsigned n)
{
SkASSERT((n & ~0xF) == 0);
return (n << 4) | n;
}
const char * SkParse::FindColor(
const char * value, SkColor* colorPtr) {
unsigned int oldAlpha = SkColorGetA(*colorPtr);
if (value[0] ==
'#' ) {
uint32_t hex;
const char * end = SkParse::FindHex(value + 1, &hex);
// SkASSERT(end);
if (end == nullptr)
return end;
size_t len = end - value - 1;
if (len == 3 || len == 4) {
unsigned a = len == 4 ? nib2byte(hex >> 12) : oldAlpha;
unsigned r = nib2byte((hex >> 8) & 0xF);
unsigned g = nib2byte((hex >> 4) & 0xF);
unsigned b = nib2byte(hex & 0xF);
*colorPtr = SkColorSetARGB(a, r, g, b);
return end;
}
else if (len == 6 || len == 8) {
if (len == 6)
hex |= oldAlpha << 24;
*colorPtr = hex;
return end;
}
else {
// SkASSERT(0);
return nullptr;
}
// } else if (strchr(value, ',')) {
// SkScalar array[4];
// int count = count_separators(value, ",") + 1; // !!! count commas, add 1
// SkASSERT(count == 3 || count == 4);
// array[0] = SK_Scalar1 * 255;
// const char* end = SkParse::FindScalars(value, &array[4 - count], count);
// if (end == nullptr)
// return nullptr;
// !!! range check for errors?
// *colorPtr = SkColorSetARGB(SkScalarRoundToInt(array[0]), SkScalarRoundToInt(array[1]),
// SkScalarRoundToInt(array[2]), SkScalarRoundToInt(array[3]));
// return end;
}
else
return FindNamedColor(value, strlen(value), colorPtr);
}
Messung V0.5 C=83 H=94 G=88
¤ Dauer der Verarbeitung: 0.4 Sekunden
¤ *© Formatika GbR, Deutschland
