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Added ColorExtensions.Multiply

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Ell 2021-12-22 14:24:37 +01:00
parent c060d78010
commit 5d9cccc9fd
2 changed files with 25 additions and 14 deletions
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1
CHANGELOG.md
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@ -11,6 +11,7 @@ Jump to version:
### MLEM
Additions
- Added StringBuilder overloads to GenericFont
- Added ColorExtensions.Multiply
Improvements
- Generify GenericFont's string drawing

38
MLEM/Extensions/ColorExtensions.cs
View file

@ -3,16 +3,16 @@ using Microsoft.Xna.Framework;
namespace MLEM.Extensions {
/// <summary>
/// A set of extensions for dealing with <see cref="Color"/> objects
/// A set of extensions for dealing with <see cref="Color"/> objects.
/// </summary>
public static class ColorExtensions {
/// <summary>
/// Copies the alpha value from another color into this color.
/// Copies the alpha value from another color into this color and returns the result.
/// </summary>
/// <param name="color">The color</param>
/// <param name="other">The color to copy the alpha from</param>
/// <returns>The first color with the second color's alpha value</returns>
/// <param name="color">The color.</param>
/// <param name="other">The color to copy the alpha from.</param>
/// <returns>The first color with the second color's alpha value.</returns>
public static Color CopyAlpha(this Color color, Color other) {
return color * (other.A / 255F);
}
@ -20,16 +20,26 @@ namespace MLEM.Extensions {
/// <summary>
/// Returns an inverted version of this color.
/// </summary>
/// <param name="color">The color to invert</param>
/// <returns>The inverted color</returns>
/// <param name="color">The color to invert.</param>
/// <returns>The inverted color.</returns>
public static Color Invert(this Color color) {
return new Color(255 - color.R, 255 - color.G, 255 - color.B, color.A);
}
/// <summary>
/// Multiplies this color with another color and returns the result.
/// </summary>
/// <param name="color">The first color.</param>
/// <param name="other">The second color.</param>
/// <returns>The two colors multiplied together.</returns>
public static Color Multiply(this Color color, Color other) {
return new Color(color.ToVector4() * other.ToVector4());
}
}
/// <summary>
/// A set of utility methods for dealing with <see cref="Color"/> objects
/// A set of utility methods for dealing with <see cref="Color"/> objects.
/// </summary>
public static class ColorHelper {
@ -37,8 +47,8 @@ namespace MLEM.Extensions {
/// Parses a hexadecimal number into an rgba color.
/// The number should be in the format <c>0xaarrggbb</c>.
/// </summary>
/// <param name="value">The number to parse</param>
/// <returns>The resulting color</returns>
/// <param name="value">The number to parse.</param>
/// <returns>The resulting color.</returns>
public static Color FromHexRgba(int value) {
return new Color(value >> 16 & 0xFF, value >> 8 & 0xFF, value >> 0 & 0xFF, value >> 24 & 0xFF);
}
@ -47,8 +57,8 @@ namespace MLEM.Extensions {
/// Parses a hexadecimal number into an rgb color with 100% alpha.
/// The number should be in the format <c>0xrrggbb</c>.
/// </summary>
/// <param name="value">The number to parse</param>
/// <returns>The resulting color</returns>
/// <param name="value">The number to parse.</param>
/// <returns>The resulting color.</returns>
public static Color FromHexRgb(int value) {
return new Color(value >> 16 & 0xFF, value >> 8 & 0xFF, value >> 0 & 0xFF);
}
@ -57,8 +67,8 @@ namespace MLEM.Extensions {
/// Parses a hexadecimal string into a color.
/// The string can either be formatted as RRGGBB or AARRGGBB and can optionally start with a <c>#</c>.
/// </summary>
/// <param name="value">The string to parse</param>
/// <returns>The resulting color</returns>
/// <param name="value">The string to parse.</param>
/// <returns>The resulting color.</returns>
public static Color FromHexString(string value) {
if (value.StartsWith("#"))
value = value.Substring(1);