public bool ShowGradientEditor(string title, Animations.EditRGBGradient previousGradient, System.Action <bool, Animations.EditRGBGradient> closeAction)
{
bool ret = !gradientEditor.isShown;
if (ret)
{
gradientEditor.Show(title, previousGradient, closeAction);
}
return(ret);
}
public void FromGradient(Animations.EditRGBGradient gradient)
{
_suspendRepaint = true;
try
{
Clear();
float startTime = 0.0f;
float endTime = 1.0f;
float eps = 0.0001f;
bool dupHandle = false;
for (int i = 0; i < gradient.keyframes.Count; ++i)
{
var kf = gradient.keyframes[i];
// Skip automatically inserted keyframes
if ((i == 0) && (Mathf.Abs(kf.time - startTime) < eps) && (kf.color == Color.black))
{
continue;
}
if (((i + 1) == gradient.keyframes.Count) && (Mathf.Abs(kf.time - endTime) < eps) && (kf.color == Color.black))
{
continue;
}
var handle = AllHandles[0]; // Initially we should have only one handle
if (dupHandle)
{
handle = handle.Duplicate();
}
handle.ChangeColor(kf.color, noRepaint: true);
var rect = (transform as RectTransform).rect;
Vector2 pos = handle.transform.localPosition;
pos.x = kf.time * _sliderWidth;
handle.transform.localPosition = pos;
dupHandle = true;
}
SelectHandle(null);
}
finally
{
_suspendRepaint = false;
Repaint();
}
}
public EditRGBGradient Duplicate()
{
var track = new EditRGBGradient();
if (keyframes != null)
{
track.keyframes = new List <EditRGBKeyframe>(keyframes.Count);
foreach (var keyframe in keyframes)
{
track.keyframes.Add(keyframe.Duplicate());
}
}
return(track);
}
public void FromTexture(Texture2D texture)
{
gradients.Clear();
for (int i = 0; i < texture.height; ++i)
{
var gradientPixels = texture.GetPixels(0, i, texture.width, 1, 0);
var keyframes = ColorUtils.extractKeyframes(gradientPixels);
// Convert to greyscale (right now us the red channel only)
var gradient = new EditRGBGradient()
{
keyframes = keyframes
};
gradients.Add(gradient);
}
}
public void TestImportGradient()
{
var filePath = System.IO.Path.Combine(Application.persistentDataPath, $"gradientLine.png");
byte[] fileData = File.ReadAllBytes(filePath);
var tex = new Texture2D(2, 2);
tex.LoadImage(fileData); //..this will auto-resize the texture dimensions.
var keyframes = ColorUtils.extractKeyframes(tex.GetPixels());
var gradient = new Animations.EditRGBGradient()
{
keyframes = keyframes
};
PixelsApp.Instance.ShowGradientEditor("test", gradient, null);
}