mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
24a0354ce8
Instead of passing the BufferStream, pass the Decoder. I'd like to stop using BufferStream eventually anyway, so it's good to get it out of any API's where it's in currently.
397 lines
12 KiB
C++
397 lines
12 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <AK/Assertions.h>
|
|
#include <AK/BufferStream.h>
|
|
#include <AK/Optional.h>
|
|
#include <AK/String.h>
|
|
#include <AK/Vector.h>
|
|
#include <LibGfx/Color.h>
|
|
#include <LibGfx/SystemTheme.h>
|
|
#include <LibIPC/Decoder.h>
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
|
|
namespace Gfx {
|
|
|
|
Color::Color(NamedColor named)
|
|
{
|
|
struct {
|
|
u8 r;
|
|
u8 g;
|
|
u8 b;
|
|
} rgb;
|
|
|
|
switch (named) {
|
|
case Black:
|
|
rgb = { 0, 0, 0 };
|
|
break;
|
|
case White:
|
|
rgb = { 255, 255, 255 };
|
|
break;
|
|
case Red:
|
|
rgb = { 255, 0, 0 };
|
|
break;
|
|
case Green:
|
|
rgb = { 0, 255, 0 };
|
|
break;
|
|
case Cyan:
|
|
rgb = { 0, 255, 255 };
|
|
break;
|
|
case DarkCyan:
|
|
rgb = { 0, 127, 127 };
|
|
break;
|
|
case MidCyan:
|
|
rgb = { 0, 192, 192 };
|
|
break;
|
|
case Blue:
|
|
rgb = { 0, 0, 255 };
|
|
break;
|
|
case Yellow:
|
|
rgb = { 255, 255, 0 };
|
|
break;
|
|
case Magenta:
|
|
rgb = { 255, 0, 255 };
|
|
break;
|
|
case DarkGray:
|
|
rgb = { 64, 64, 64 };
|
|
break;
|
|
case MidGray:
|
|
rgb = { 127, 127, 127 };
|
|
break;
|
|
case LightGray:
|
|
rgb = { 192, 192, 192 };
|
|
break;
|
|
case MidGreen:
|
|
rgb = { 0, 192, 0 };
|
|
break;
|
|
case MidBlue:
|
|
rgb = { 0, 0, 192 };
|
|
break;
|
|
case MidRed:
|
|
rgb = { 192, 0, 0 };
|
|
break;
|
|
case MidMagenta:
|
|
rgb = { 192, 0, 192 };
|
|
break;
|
|
case DarkGreen:
|
|
rgb = { 0, 128, 0 };
|
|
break;
|
|
case DarkBlue:
|
|
rgb = { 0, 0, 128 };
|
|
break;
|
|
case DarkRed:
|
|
rgb = { 128, 0, 0 };
|
|
break;
|
|
case WarmGray:
|
|
rgb = { 212, 208, 200 };
|
|
break;
|
|
default:
|
|
ASSERT_NOT_REACHED();
|
|
break;
|
|
}
|
|
|
|
m_value = 0xff000000 | (rgb.r << 16) | (rgb.g << 8) | rgb.b;
|
|
}
|
|
|
|
String Color::to_string() const
|
|
{
|
|
return String::format("#%b%b%b%b", red(), green(), blue(), alpha());
|
|
}
|
|
|
|
static Optional<Color> parse_rgb_color(const StringView& string)
|
|
{
|
|
ASSERT(string.starts_with("rgb("));
|
|
ASSERT(string.ends_with(")"));
|
|
|
|
auto substring = string.substring_view(4, string.length() - 5);
|
|
auto parts = substring.split_view(',');
|
|
|
|
if (parts.size() != 3)
|
|
return {};
|
|
|
|
bool ok;
|
|
auto r = parts[0].to_int(ok);
|
|
if (!ok)
|
|
return {};
|
|
auto g = parts[1].to_int(ok);
|
|
if (!ok)
|
|
return {};
|
|
auto b = parts[2].to_int(ok);
|
|
if (!ok)
|
|
return {};
|
|
|
|
if (r < 0 || r > 255)
|
|
return {};
|
|
if (g < 0 || g > 255)
|
|
return {};
|
|
if (b < 0 || b > 255)
|
|
return {};
|
|
|
|
return Color(r, g, b);
|
|
}
|
|
|
|
Optional<Color> Color::from_string(const StringView& string)
|
|
{
|
|
if (string.is_empty())
|
|
return {};
|
|
|
|
struct ColorAndWebName {
|
|
RGBA32 color;
|
|
const char* name;
|
|
};
|
|
|
|
const ColorAndWebName web_colors[] = {
|
|
// CSS Level 1
|
|
{ 0x000000, "black" },
|
|
{ 0xc0c0c0, "silver" },
|
|
{ 0x808080, "gray" },
|
|
{ 0xffffff, "white" },
|
|
{ 0x800000, "maroon" },
|
|
{ 0xff0000, "red" },
|
|
{ 0x800080, "purple" },
|
|
{ 0xff00ff, "fuchsia" },
|
|
{ 0x008000, "green" },
|
|
{ 0x00ff00, "lime" },
|
|
{ 0x808000, "olive" },
|
|
{ 0xffff00, "yellow" },
|
|
{ 0x000080, "navy" },
|
|
{ 0x0000ff, "blue" },
|
|
{ 0x008080, "teal" },
|
|
{ 0x00ffff, "aqua" },
|
|
// CSS Level 2 (Revision 1)
|
|
{ 0xffa500, "orange" },
|
|
// CSS Color Module Level 3
|
|
{ 0xf0f8ff, "aliceblue" },
|
|
{ 0xfaebd7, "antiquewhite" },
|
|
{ 0x7fffd4, "aquamarine" },
|
|
{ 0xf0ffff, "azure" },
|
|
{ 0xf5f5dc, "beige" },
|
|
{ 0xffe4c4, "bisque" },
|
|
{ 0xffebcd, "blanchedalmond" },
|
|
{ 0x8a2be2, "blueviolet" },
|
|
{ 0xa52a2a, "brown" },
|
|
{ 0xdeb887, "burlywood" },
|
|
{ 0x5f9ea0, "cadetblue" },
|
|
{ 0x7fff00, "chartreuse" },
|
|
{ 0xd2691e, "chocolate" },
|
|
{ 0xff7f50, "coral" },
|
|
{ 0x6495ed, "cornflowerblue" },
|
|
{ 0xfff8dc, "cornsilk" },
|
|
{ 0xdc143c, "crimson" },
|
|
{ 0x00ffff, "cyan" },
|
|
{ 0x00008b, "darkblue" },
|
|
{ 0x008b8b, "darkcyan" },
|
|
{ 0xb8860b, "darkgoldenrod" },
|
|
{ 0xa9a9a9, "darkgray" },
|
|
{ 0x006400, "darkgreen" },
|
|
{ 0xa9a9a9, "darkgrey" },
|
|
{ 0xbdb76b, "darkkhaki" },
|
|
{ 0x8b008b, "darkmagenta" },
|
|
{ 0x556b2f, "darkolivegreen" },
|
|
{ 0xff8c00, "darkorange" },
|
|
{ 0x9932cc, "darkorchid" },
|
|
{ 0x8b0000, "darkred" },
|
|
{ 0xe9967a, "darksalmon" },
|
|
{ 0x8fbc8f, "darkseagreen" },
|
|
{ 0x483d8b, "darkslateblue" },
|
|
{ 0x2f4f4f, "darkslategray" },
|
|
{ 0x2f4f4f, "darkslategrey" },
|
|
{ 0x00ced1, "darkturquoise" },
|
|
{ 0x9400d3, "darkviolet" },
|
|
{ 0xff1493, "deeppink" },
|
|
{ 0x00bfff, "deepskyblue" },
|
|
{ 0x696969, "dimgray" },
|
|
{ 0x696969, "dimgrey" },
|
|
{ 0x1e90ff, "dodgerblue" },
|
|
{ 0xb22222, "firebrick" },
|
|
{ 0xfffaf0, "floralwhite" },
|
|
{ 0x228b22, "forestgreen" },
|
|
{ 0xdcdcdc, "gainsboro" },
|
|
{ 0xf8f8ff, "ghostwhite" },
|
|
{ 0xffd700, "gold" },
|
|
{ 0xdaa520, "goldenrod" },
|
|
{ 0xadff2f, "greenyellow" },
|
|
{ 0x808080, "grey" },
|
|
{ 0xf0fff0, "honeydew" },
|
|
{ 0xff69b4, "hotpink" },
|
|
{ 0xcd5c5c, "indianred" },
|
|
{ 0x4b0082, "indigo" },
|
|
{ 0xfffff0, "ivory" },
|
|
{ 0xf0e68c, "khaki" },
|
|
{ 0xe6e6fa, "lavender" },
|
|
{ 0xfff0f5, "lavenderblush" },
|
|
{ 0x7cfc00, "lawngreen" },
|
|
{ 0xfffacd, "lemonchiffon" },
|
|
{ 0xadd8e6, "lightblue" },
|
|
{ 0xf08080, "lightcoral" },
|
|
{ 0xe0ffff, "lightcyan" },
|
|
{ 0xfafad2, "lightgoldenrody" },
|
|
{ 0xd3d3d3, "lightgray" },
|
|
{ 0x90ee90, "lightgreen" },
|
|
{ 0xd3d3d3, "lightgrey" },
|
|
{ 0xffb6c1, "lightpink" },
|
|
{ 0xffa07a, "lightsalmon" },
|
|
{ 0x20b2aa, "lightseagreen" },
|
|
{ 0x87cefa, "lightskyblue" },
|
|
{ 0x778899, "lightslategray" },
|
|
{ 0x778899, "lightslategrey" },
|
|
{ 0xb0c4de, "lightsteelblue" },
|
|
{ 0xffffe0, "lightyellow" },
|
|
{ 0x32cd32, "limegreen" },
|
|
{ 0xfaf0e6, "linen" },
|
|
{ 0xff00ff, "magenta" },
|
|
{ 0x66cdaa, "mediumaquamarin" },
|
|
{ 0x0000cd, "mediumblue" },
|
|
{ 0xba55d3, "mediumorchid" },
|
|
{ 0x9370db, "mediumpurple" },
|
|
{ 0x3cb371, "mediumseagreen" },
|
|
{ 0x7b68ee, "mediumslateblue" },
|
|
{ 0x00fa9a, "mediumspringgre" },
|
|
{ 0x48d1cc, "mediumturquoise" },
|
|
{ 0xc71585, "mediumvioletred" },
|
|
{ 0x191970, "midnightblue" },
|
|
{ 0xf5fffa, "mintcream" },
|
|
{ 0xffe4e1, "mistyrose" },
|
|
{ 0xffe4b5, "moccasin" },
|
|
{ 0xffdead, "navajowhite" },
|
|
{ 0xfdf5e6, "oldlace" },
|
|
{ 0x6b8e23, "olivedrab" },
|
|
{ 0xff4500, "orangered" },
|
|
{ 0xda70d6, "orchid" },
|
|
{ 0xeee8aa, "palegoldenrod" },
|
|
{ 0x98fb98, "palegreen" },
|
|
{ 0xafeeee, "paleturquoise" },
|
|
{ 0xdb7093, "palevioletred" },
|
|
{ 0xffefd5, "papayawhip" },
|
|
{ 0xffdab9, "peachpuff" },
|
|
{ 0xcd853f, "peru" },
|
|
{ 0xffc0cb, "pink" },
|
|
{ 0xdda0dd, "plum" },
|
|
{ 0xb0e0e6, "powderblue" },
|
|
{ 0xbc8f8f, "rosybrown" },
|
|
{ 0x4169e1, "royalblue" },
|
|
{ 0x8b4513, "saddlebrown" },
|
|
{ 0xfa8072, "salmon" },
|
|
{ 0xf4a460, "sandybrown" },
|
|
{ 0x2e8b57, "seagreen" },
|
|
{ 0xfff5ee, "seashell" },
|
|
{ 0xa0522d, "sienna" },
|
|
{ 0x87ceeb, "skyblue" },
|
|
{ 0x6a5acd, "slateblue" },
|
|
{ 0x708090, "slategray" },
|
|
{ 0x708090, "slategrey" },
|
|
{ 0xfffafa, "snow" },
|
|
{ 0x00ff7f, "springgreen" },
|
|
{ 0x4682b4, "steelblue" },
|
|
{ 0xd2b48c, "tan" },
|
|
{ 0xd8bfd8, "thistle" },
|
|
{ 0xff6347, "tomato" },
|
|
{ 0x40e0d0, "turquoise" },
|
|
{ 0xee82ee, "violet" },
|
|
{ 0xf5deb3, "wheat" },
|
|
{ 0xf5f5f5, "whitesmoke" },
|
|
{ 0x9acd32, "yellowgreen" },
|
|
// CSS Color Module Level 4
|
|
{ 0x663399, "rebeccapurple" },
|
|
// (Fallback)
|
|
{ 0x000000, nullptr }
|
|
};
|
|
|
|
for (size_t i = 0; web_colors[i].name; ++i) {
|
|
if (string == web_colors[i].name)
|
|
return Color::from_rgb(web_colors[i].color);
|
|
}
|
|
|
|
if (string.starts_with("rgb(") && string.ends_with(")"))
|
|
return parse_rgb_color(string);
|
|
|
|
if (string[0] != '#')
|
|
return {};
|
|
|
|
auto hex_nibble_to_u8 = [](char nibble) -> Optional<u8> {
|
|
if (!isxdigit(nibble))
|
|
return {};
|
|
if (nibble >= '0' && nibble <= '9')
|
|
return nibble - '0';
|
|
return 10 + (tolower(nibble) - 'a');
|
|
};
|
|
|
|
if (string.length() == 4) {
|
|
Optional<u8> r = hex_nibble_to_u8(string[1]);
|
|
Optional<u8> g = hex_nibble_to_u8(string[2]);
|
|
Optional<u8> b = hex_nibble_to_u8(string[3]);
|
|
if (!r.has_value() || !g.has_value() || !b.has_value())
|
|
return {};
|
|
return Color(r.value() * 17, g.value() * 17, b.value() * 17);
|
|
}
|
|
|
|
if (string.length() == 5) {
|
|
Optional<u8> r = hex_nibble_to_u8(string[1]);
|
|
Optional<u8> g = hex_nibble_to_u8(string[2]);
|
|
Optional<u8> b = hex_nibble_to_u8(string[3]);
|
|
Optional<u8> a = hex_nibble_to_u8(string[4]);
|
|
if (!r.has_value() || !g.has_value() || !b.has_value() || !a.has_value())
|
|
return {};
|
|
return Color(r.value() * 17, g.value() * 17, b.value() * 17, a.value() * 17);
|
|
}
|
|
|
|
if (string.length() != 7 && string.length() != 9)
|
|
return {};
|
|
|
|
auto to_hex = [&](char c1, char c2) -> Optional<u8> {
|
|
auto nib1 = hex_nibble_to_u8(c1);
|
|
auto nib2 = hex_nibble_to_u8(c2);
|
|
if (!nib1.has_value() || !nib2.has_value())
|
|
return {};
|
|
return nib1.value() << 4 | nib2.value();
|
|
};
|
|
|
|
Optional<u8> r = to_hex(string[1], string[2]);
|
|
Optional<u8> g = to_hex(string[3], string[4]);
|
|
Optional<u8> b = to_hex(string[5], string[6]);
|
|
Optional<u8> a = string.length() == 9 ? to_hex(string[7], string[8]) : Optional<u8>(255);
|
|
|
|
if (!r.has_value() || !g.has_value() || !b.has_value() || !a.has_value())
|
|
return {};
|
|
|
|
return Color(r.value(), g.value(), b.value(), a.value());
|
|
}
|
|
}
|
|
|
|
const LogStream& operator<<(const LogStream& stream, Color value)
|
|
{
|
|
return stream << value.to_string();
|
|
}
|
|
|
|
bool IPC::decode(IPC::Decoder& decoder, Color& color)
|
|
{
|
|
u32 rgba = 0;
|
|
if (!decoder.decode(rgba))
|
|
return false;
|
|
color = Color::from_rgba(rgba);
|
|
return true;
|
|
}
|