private void OnGUI()
{
PrepareStyles();
UpdatePickerCoordinates();
EditorGUI.BeginChangeCheck();
EditorGUI.BeginChangeCheck();
colourModel = (Colour.Model)EditorGUILayout.Popup("Colour Space", (int)colourModel, System.Enum.GetNames(typeof(Colour.Model)));
sliderAxis = (SliderAxis)EditorGUILayout.Popup("Slider Axis", (int)sliderAxis, System.Enum.GetNames(typeof(SliderAxis)));
workingSpace = (Colour.RGBSpace)EditorGUILayout.Popup("Working Colour Space", (int)workingSpace, System.Enum.GetNames(typeof(Colour.RGBSpace)));
if (EditorGUI.EndChangeCheck())
{
Double3 newPickFrac = GetPickerCoords(currentColourXYZ, colourModel, workingSpace);
Double3 pick = newPickFrac * maxValue;
pickerCoords = new Int4(Mathf.RoundToInt((float)pick.x), Mathf.RoundToInt((float)pick.y), Mathf.RoundToInt((float)pick.z), pickerCoords.w);
}
limitingSpace = (Colour.RGBSpace)EditorGUILayout.Popup("Limiting Colour Space", (int)limitingSpace, System.Enum.GetNames(typeof(Colour.RGBSpace)));
if (EditorGUI.EndChangeCheck())
{
pickerOutOfDate = sliderOutOfDate = true;
}
EditorGUILayout.Space();
EditorGUILayout.ColorField(currentColourRGB);
minSize = maxSize = new Vector2(textureSize + 60, textureSize + 280);
UpdateTextures();
GUI.DrawTexture(pickerRect, pickerTexture, ScaleMode.StretchToFill);
GUI.DrawTexture(sliderRect, sliderTexture, ScaleMode.StretchToFill);
for (int i = 0; i < altSliders; ++i)
GUI.DrawTexture(sliderGroupRect[i], sliderGroupTexture[i], ScaleMode.StretchToFill);
int circleSize = 8;
int halfCircleSize = 4;
if (Event.current.type == EventType.Repaint)
{
pickerBox.Draw(pickerRect, GUIContent.none, 0);
pickerBox.Draw(sliderRect, GUIContent.none, 0);
pickerCircle.Draw(new Rect(pickerCoords.x + 10 - halfCircleSize, ((textureSize - 1) - (pickerCoords.y)) + 120 - halfCircleSize, circleSize, circleSize), GUIContent.none, 0);
sliderVertArrow.Draw(new Rect(textureSize + 18, (textureSize - 1) - (pickerCoords.z) + 117, 34, 8), GUIContent.none, 0);
for (int i = 0; i < altSliders; ++i)
{
sliderHorizArrow.Draw(new Rect(pickerCoords[i] + 7, sliderGroupRect[i].yMin - 4, 16, 28), GUIContent.none, 0);
pickerBox.Draw(sliderGroupRect[i], GUIContent.none, 0);
}
}
Double4 pickerPosFraction = pickerCoords / maxValue;
if (pickerOutOfDate == true || sliderOutOfDate == true)
{
Double4 arrangement = GetPickerArrangement(sliderAxis, pickerPosFraction);
Colour pickedColour = GetWorkingSpaceColour(colourModel, workingSpace, arrangement);
if (Colour.IsInsideGamut(pickedColour, limitingSpace))
{
currentColourXYZ = pickedColour;
currentColourRGB = (Color)Colour.To_RGB(pickedColour, workingSpace);
}
else
{
currentColourXYZ = new Colour(Double3.zero);
currentColourRGB = Color.black;
}
}
currentColourRGB.a = (float)pickerPosFraction.w;
Repaint();
pickerOutOfDate = sliderOutOfDate = false;
}
private void UpdatePickerCoordinates()
{
Int2 mousePosition = new Int2();
if (Event.current.type == EventType.mouseDown)
{
if (pickerRect.Contains(Event.current.mousePosition))
{
sliderOutOfDate = true;
selectionMode = SelectionMode.Picker;
}
if (sliderRect.Contains(Event.current.mousePosition))
{
pickerOutOfDate = true;
selectionMode = SelectionMode.Slider;
}
if (sliderRect.Contains(Event.current.mousePosition))
{
pickerOutOfDate = true;
selectionMode = SelectionMode.Slider;
}
for (int i = 0; i < altSliders; ++i)
{
if (sliderGroupRect[i].Contains(Event.current.mousePosition))
{
if (i < 3)
{
sliderOutOfDate = true;
if (i == (int)sliderAxis)
pickerOutOfDate = true;
}
selectionMode = (SelectionMode)i;
}
}
}
if ((Event.current.type == EventType.mouseDown || Event.current.type == EventType.mouseDrag) && selectionMode != SelectionMode.None)
{
mousePosition = (Int2)Event.current.mousePosition;
if (selectionMode == SelectionMode.Picker)
{
mousePosition -= new Int2((int)pickerRect.xMin, (int)pickerRect.yMin);
pickerCoords.x = mousePosition.x;
pickerCoords.y = (textureSize - 1) - mousePosition.y;
sliderOutOfDate = true;
}
else if (selectionMode == SelectionMode.Slider)
{
mousePosition -= new Int2((int)sliderRect.xMin, (int)sliderRect.yMin);
pickerCoords.z = textureSize - mousePosition.y;
pickerOutOfDate = true;
}
else
{
int sliderIndex = ((int)selectionMode);
mousePosition -= new Int2((int)sliderGroupRect[sliderIndex].xMin, (int)sliderGroupRect[sliderIndex].yMin);
pickerCoords[sliderIndex] = mousePosition.x;
if (sliderIndex < 3)
{
sliderOutOfDate = true;
if (sliderIndex == (int)sliderAxis)
pickerOutOfDate = true;
}
}
pickerCoords = MathfExt.Clamp(pickerCoords, 0, textureSize - 1);
}
if (Event.current.type == EventType.mouseUp)
selectionMode = SelectionMode.None;
}
public static Int4 Clamp(Int4 v, int min, int max)
{
return new Int4(Mathf.Clamp(v.x, min, max), Mathf.Clamp(v.y, min, max), Mathf.Clamp(v.z, min, max), Mathf.Clamp(v.w, min, max));
}
