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Merge pull request #66817 from raulsntos/dotnet/color-span

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C#: Use Span in Color to avoid string allocations
This commit is contained in:
Rémi Verschelde 2022-10-03 14:52:29 +02:00
parent 5b735d000e 67d058da30
commit 208b440398
1 changed files with 13 additions and 13 deletions
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26
modules/mono/glue/GodotSharp/GodotSharp/Core/Color.cs
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@ -597,7 +597,7 @@ namespace Godot
/// <exception name="ArgumentOutOfRangeException">
/// <paramref name="rgba"/> color code is invalid.
/// </exception>
private static Color FromHTML(string rgba)
private static Color FromHTML(ReadOnlySpan<char> rgba)
{
Color c;
if (rgba.Length == 0)
@ -611,7 +611,7 @@ namespace Godot
if (rgba[0] == '#')
{
rgba = rgba.Substring(1);
rgba = rgba.Slice(1);
}
// If enabled, use 1 hex digit per channel instead of 2.
@ -665,22 +665,22 @@ namespace Godot
if (c.r < 0)
{
throw new ArgumentOutOfRangeException("Invalid color code. Red part is not valid hexadecimal: " + rgba);
throw new ArgumentOutOfRangeException($"Invalid color code. Red part is not valid hexadecimal: {rgba}");
}
if (c.g < 0)
{
throw new ArgumentOutOfRangeException("Invalid color code. Green part is not valid hexadecimal: " + rgba);
throw new ArgumentOutOfRangeException($"Invalid color code. Green part is not valid hexadecimal: {rgba}");
}
if (c.b < 0)
{
throw new ArgumentOutOfRangeException("Invalid color code. Blue part is not valid hexadecimal: " + rgba);
throw new ArgumentOutOfRangeException($"Invalid color code. Blue part is not valid hexadecimal: {rgba}");
}
if (c.a < 0)
{
throw new ArgumentOutOfRangeException("Invalid color code. Alpha part is not valid hexadecimal: " + rgba);
throw new ArgumentOutOfRangeException($"Invalid color code. Alpha part is not valid hexadecimal: {rgba}");
}
return c;
}
@ -817,9 +817,9 @@ namespace Godot
value = max;
}
private static int ParseCol4(string str, int ofs)
private static int ParseCol4(ReadOnlySpan<char> str, int index)
{
char character = str[ofs];
char character = str[index];
if (character >= '0' && character <= '9')
{
@ -836,9 +836,9 @@ namespace Godot
return -1;
}
private static int ParseCol8(string str, int ofs)
private static int ParseCol8(ReadOnlySpan<char> str, int index)
{
return ParseCol4(str, ofs) * 16 + ParseCol4(str, ofs + 1);
return ParseCol4(str, index) * 16 + ParseCol4(str, index + 1);
}
private static string ToHex32(float val)
@ -847,16 +847,16 @@ namespace Godot
return b.HexEncode();
}
internal static bool HtmlIsValid(string color)
internal static bool HtmlIsValid(ReadOnlySpan<char> color)
{
if (string.IsNullOrEmpty(color))
if (color.IsEmpty)
{
return false;
}
if (color[0] == '#')
{
color = color.Substring(1);
color = color.Slice(1);
}
// Check if the amount of hex digits is valid.