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Add checkerboard pattern to part of the alpha slider background in color picker

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Wojtek Figat
2026-01-12 18:53:56 +01:00
parent 610ba00915
commit ab806b2a9b
1 changed files with 20 additions and 0 deletions
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20
Source/Editor/GUI/Dialogs/ColorSelector.cs
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@@ -310,6 +310,26 @@ namespace FlaxEditor.GUI.Dialogs
Render2D.DrawRectangle(_slider1Rect, _isMouseDownSlider1 ? style.BackgroundSelected : Color.Black);
Render2D.DrawRectangle(valueR, _isMouseDownSlider1 ? Color.White : Color.Gray);
// Draw checkerboard pattern to part of the alpha slider background
var alphaRect = _slider2Rect;
Render2D.FillRectangle(alphaRect, Color.White);
var smallRectSize = alphaRect.Width * 0.5f;
var numHor = Mathf.CeilToInt(alphaRect.Width / smallRectSize);
var numVer = Mathf.CeilToInt(alphaRect.Height / smallRectSize);
for (int i = 0; i < numHor; i++)
{
for (int j = 0; j < numVer; j++)
{
if ((i + j) % 2 == 0)
{
var rect = new Rectangle(alphaRect.X + smallRectSize * i, alphaRect.Y + smallRectSize * j, new Float2(smallRectSize));
Render2D.PushClip(alphaRect);
Render2D.FillRectangle(rect, Color.Gray);
Render2D.PopClip();
}
}
}
// Alpha
float alphaY = _slider2Rect.Height * (1 - _color.A);
var alphaR = new Rectangle(_slider2Rect.X - slidersOffset, _slider2Rect.Y + alphaY - slidersThickness / 2, _slider2Rect.Width + slidersOffset * 2, slidersThickness);