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Improvements on Color Picker: 

- .gitignore - Added "/.vs" to ignore VS 2017's new folder.
- Added Color Sampler feature to pick colors from the screen.
- Fixed issue with ColorPickerPresets with "not working" HSVChanged()
- Changed the way ColorPickerPresets work. Can now add predefined colors in the inspector, plus save/load from player prefs or json file.
- Modified UI layout for Picker 2.0 prefab to allow for expansion of presets, toggling of RGB vs HSV. Still could use some work as the layout doesn't collapse/expand nicely.
release
Sean Mann 2018-02-18 23:16:15 -05:00
parent 2c802d9271
commit b5f8f17203
10 changed files with 6333 additions and 7995 deletions
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.gitignore vendored
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# Builds # Builds
*.apk *.apk
*.unitypackage *.unitypackage
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Examples/ColorPicker/Picker 2.0.prefab
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Examples/ColorPicker/Picker 2.0.prefab.meta
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Examples/ColorPicker/PickerTest.unity
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464
Scripts/Controls/ColorPicker/ColorPickerControl.cs
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///Credit judah4 ///Credit judah4
///Sourced from - http://forum.unity3d.com/threads/color-picker.267043/ ///Sourced from - http://forum.unity3d.com/threads/color-picker.267043/
using System.Collections.Generic;
namespace UnityEngine.UI.Extensions.ColorPicker namespace UnityEngine.UI.Extensions.ColorPicker
{ {
[ExecuteInEditMode]
public class ColorPickerControl : MonoBehaviour
{
private float _hue = 0;
private float _saturation = 0;
private float _brightness = 0;
public class ColorPickerControl : MonoBehaviour private float _red = 0;
{ private float _green = 0;
private float _hue = 0; private float _blue = 0;
private float _saturation = 0;
private float _brightness = 0;
private float _red = 0; private float _alpha = 1;
private float _green = 0;
private float _blue = 0;
private float _alpha = 1; public ColorChangedEvent onValueChanged = new ColorChangedEvent();
public HSVChangedEvent onHSVChanged = new HSVChangedEvent();
public ColorChangedEvent onValueChanged = new ColorChangedEvent(); [SerializeField]
public HSVChangedEvent onHSVChanged = new HSVChangedEvent(); bool hsvSlidersOn = true;
public Color CurrentColor [SerializeField]
{ List<GameObject> hsvSliders = new List<GameObject>();
get
{
return new Color(_red, _green, _blue, _alpha);
}
set
{
if (CurrentColor == value)
return;
_red = value.r; [SerializeField]
_green = value.g; bool rgbSlidersOn = true;
_blue = value.b;
_alpha = value.a;
RGBChanged(); [SerializeField]
List<GameObject> rgbSliders = new List<GameObject>();
SendChangedEvent(); [SerializeField]
} GameObject alphaSlider;
}
private void Start() public void SetHSVSlidersOn(bool value)
{ {
SendChangedEvent(); hsvSlidersOn = value;
}
public float H foreach (var item in hsvSliders)
{ item.SetActive(value);
get
{
return _hue;
}
set
{
if (_hue == value)
return;
_hue = value; if (alphaSlider)
alphaSlider.SetActive(hsvSlidersOn || rgbSlidersOn);
}
HSVChanged(); public void SetRGBSlidersOn(bool value)
{
rgbSlidersOn = value;
foreach (var item in rgbSliders)
item.SetActive(value);
SendChangedEvent(); if (alphaSlider)
} alphaSlider.SetActive(hsvSlidersOn || rgbSlidersOn);
} }
public float S
{
get
{
return _saturation;
}
set
{
if (_saturation == value)
return;
_saturation = value; void Update()
{
#if UNITY_EDITOR
SetHSVSlidersOn(hsvSlidersOn);
SetRGBSlidersOn(rgbSlidersOn);
#endif
}
HSVChanged(); public Color CurrentColor
{
get
{
return new Color(_red, _green, _blue, _alpha);
}
set
{
if (CurrentColor == value)
return;
SendChangedEvent(); _red = value.r;
} _green = value.g;
} _blue = value.b;
_alpha = value.a;
public float V RGBChanged();
{
get
{
return _brightness;
}
set
{
if (_brightness == value)
return;
_brightness = value; SendChangedEvent();
}
}
HSVChanged(); private void Start()
{
SendChangedEvent();
}
SendChangedEvent(); public float H
} {
} get
{
return _hue;
}
set
{
if (_hue == value)
return;
public float R _hue = value;
{
get
{
return _red;
}
set
{
if (_red == value)
return;
_red = value; HSVChanged();
RGBChanged(); SendChangedEvent();
}
}
SendChangedEvent(); public float S
} {
} get
{
return _saturation;
}
set
{
if (_saturation == value)
return;
public float G _saturation = value;
{
get
{
return _green;
}
set
{
if (_green == value)
return;
_green = value; HSVChanged();
RGBChanged(); SendChangedEvent();
}
}
SendChangedEvent(); public float V
} {
} get
{
return _brightness;
}
set
{
if (_brightness == value)
return;
public float B _brightness = value;
{
get
{
return _blue;
}
set
{
if (_blue == value)
return;
_blue = value; HSVChanged();
RGBChanged(); SendChangedEvent();
}
}
SendChangedEvent(); public float R
} {
} get
{
return _red;
}
set
{
if (_red == value)
return;
private float A _red = value;
{
get
{
return _alpha;
}
set
{
if (_alpha == value)
return;
_alpha = value; RGBChanged();
SendChangedEvent(); SendChangedEvent();
} }
} }
private void RGBChanged() public float G
{ {
HsvColor color = HSVUtil.ConvertRgbToHsv(CurrentColor); get
{
return _green;
}
set
{
if (_green == value)
return;
_hue = color.NormalizedH; _green = value;
_saturation = color.NormalizedS;
_brightness = color.NormalizedV;
}
private void HSVChanged() RGBChanged();
{
Color color = HSVUtil.ConvertHsvToRgb(_hue * 360, _saturation, _brightness, _alpha);
_red = color.r; SendChangedEvent();
_green = color.g; }
_blue = color.b; }
}
private void SendChangedEvent() public float B
{ {
onValueChanged.Invoke(CurrentColor); get
onHSVChanged.Invoke(_hue, _saturation, _brightness); {
} return _blue;
}
set
{
if (_blue == value)
return;
public void AssignColor(ColorValues type, float value) _blue = value;
{
switch (type)
{
case ColorValues.R:
R = value;
break;
case ColorValues.G:
G = value;
break;
case ColorValues.B:
B = value;
break;
case ColorValues.A:
A = value;
break;
case ColorValues.Hue:
H = value;
break;
case ColorValues.Saturation:
S = value;
break;
case ColorValues.Value:
V = value;
break;
default:
break;
}
}
public float GetValue(ColorValues type) RGBChanged();
{
switch (type) SendChangedEvent();
{ }
case ColorValues.R: }
return R;
case ColorValues.G: private float A
return G; {
case ColorValues.B: get
return B; {
case ColorValues.A: return _alpha;
return A; }
case ColorValues.Hue: set
return H; {
case ColorValues.Saturation: if (_alpha == value)
return S; return;
case ColorValues.Value:
return V; _alpha = value;
default:
throw new System.NotImplementedException(""); SendChangedEvent();
} }
} }
}
private void RGBChanged()
{
HsvColor color = HSVUtil.ConvertRgbToHsv(CurrentColor);
_hue = color.NormalizedH;
_saturation = color.NormalizedS;
_brightness = color.NormalizedV;
}
private void HSVChanged()
{
Color color = HSVUtil.ConvertHsvToRgb(_hue * 360, _saturation, _brightness, _alpha);
_red = color.r;
_green = color.g;
_blue = color.b;
}
private void SendChangedEvent()
{
onValueChanged.Invoke(CurrentColor);
onHSVChanged.Invoke(_hue, _saturation, _brightness);
}
public void AssignColor(ColorValues type, float value)
{
switch (type)
{
case ColorValues.R:
R = value;
break;
case ColorValues.G:
G = value;
break;
case ColorValues.B:
B = value;
break;
case ColorValues.A:
A = value;
break;
case ColorValues.Hue:
H = value;
break;
case ColorValues.Saturation:
S = value;
break;
case ColorValues.Value:
V = value;
break;
default:
break;
}
}
public float GetValue(ColorValues type)
{
switch (type)
{
case ColorValues.R:
return R;
case ColorValues.G:
return G;
case ColorValues.B:
return B;
case ColorValues.A:
return A;
case ColorValues.Hue:
return H;
case ColorValues.Saturation:
return S;
case ColorValues.Value:
return V;
default:
throw new System.NotImplementedException("");
}
}
}
} }

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Scripts/Controls/ColorPicker/ColorPickerPresets.cs
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@ -1,48 +1,177 @@
///Credit judah4 ///Credit judah4
///Sourced from - http://forum.unity3d.com/threads/color-picker.267043/ ///Sourced from - http://forum.unity3d.com/threads/color-picker.267043/
using System.Collections.Generic;
namespace UnityEngine.UI.Extensions.ColorPicker namespace UnityEngine.UI.Extensions.ColorPicker
{ {
public class ColorPickerPresets : MonoBehaviour public class ColorPickerPresets : MonoBehaviour
{ {
public ColorPickerControl picker; public ColorPickerControl picker;
public GameObject[] presets;
public Image createPresetImage;
void Awake() [SerializeField]
{ protected GameObject presetPrefab;
// picker.onHSVChanged.AddListener(HSVChanged);
picker.onValueChanged.AddListener(ColorChanged);
}
public void CreatePresetButton() [SerializeField]
{ protected int maxPresets = 16;
for (var i = 0; i < presets.Length; i++)
{
if (!presets[i].activeSelf)
{
presets[i].SetActive(true);
presets[i].GetComponent<Image>().color = picker.CurrentColor;
break;
}
}
}
public void PresetSelect(Image sender) [SerializeField]
{ protected Color[] predefinedPresets;
picker.CurrentColor = sender.color;
}
// Not working, it seems ConvertHsvToRgb() is broken. It doesn't work when fed protected List<Color> presets = new List<Color>();
// input h, s, v as shown below. public Image createPresetImage;
// private void HSVChanged(float h, float s, float v) public Transform createButton;
// {
// createPresetImage.color = HSVUtil.ConvertHsvToRgb(h, s, v, 1); public enum SaveType { None, PlayerPrefs, JsonFile }
// } [SerializeField]
private void ColorChanged(Color color) protected SaveType saveMode = SaveType.None;
{
createPresetImage.color = color; [SerializeField]
} protected string playerPrefsKey;
}
protected virtual string JsonFilePath
{
get { return Application.persistentDataPath + "/" + playerPrefsKey + ".json"; }
}
protected virtual void Reset()
{
playerPrefsKey = "colorpicker_" + GetInstanceID().ToString();
}
protected virtual void Awake()
{
picker.onHSVChanged.AddListener(HSVChanged);
picker.onValueChanged.AddListener(ColorChanged);
picker.CurrentColor = Color.white;
presetPrefab.SetActive(false);
presets.AddRange(predefinedPresets);
LoadPresets(saveMode);
}
public virtual void CreatePresetButton()
{
CreatePreset(picker.CurrentColor);
}
public virtual void LoadPresets(SaveType saveType)
{
string jsonData = "";
switch (saveType)
{
case SaveType.None:
break;
case SaveType.PlayerPrefs:
if (PlayerPrefs.HasKey(playerPrefsKey))
{
jsonData = PlayerPrefs.GetString(playerPrefsKey);
}
break;
case SaveType.JsonFile:
if (System.IO.File.Exists(JsonFilePath))
{
jsonData = System.IO.File.ReadAllText(JsonFilePath);
}
break;
default:
throw new System.NotImplementedException(saveType.ToString());
}
if (!string.IsNullOrEmpty(jsonData))
{
try
{
var jsonColors = JsonUtility.FromJson<JsonColor>(jsonData);
presets.AddRange(jsonColors.colors);
}
catch (System.Exception e)
{
Debug.LogException(e);
}
}
foreach (var item in presets)
{
CreatePreset(item, true);
}
}
public virtual void SavePresets(SaveType saveType)
{
if (presets == null || presets.Count <= 0)
{
Debug.LogError(
"presets cannot be null or empty: " + (presets == null ? "NULL" : "EMPTY"));
return;
}
var jsonColor = new JsonColor() {
colors = presets.ToArray()
};
string jsonData = JsonUtility.ToJson(jsonColor);
switch (saveType)
{
case SaveType.None:
Debug.LogWarning("Called SavePresets with SaveType = None...");
break;
case SaveType.PlayerPrefs:
PlayerPrefs.SetString(playerPrefsKey, jsonData);
break;
case SaveType.JsonFile:
System.IO.File.WriteAllText(JsonFilePath, jsonData);
Application.OpenURL(JsonFilePath);
break;
default:
throw new System.NotImplementedException(saveType.ToString());
}
}
protected class JsonColor
{
public Color[] colors;
}
public virtual void CreatePreset(Color color, bool loading)
{
createButton.gameObject.SetActive(presets.Count < maxPresets);
var newPresetButton = Instantiate(presetPrefab, presetPrefab.transform.parent);
newPresetButton.transform.SetAsLastSibling();
newPresetButton.SetActive(true);
newPresetButton.GetComponent<Image>().color = color;
createPresetImage.color = Color.white;
if (!loading)
{
presets.Add(color);
SavePresets(saveMode);
}
}
public virtual void CreatePreset(Color color)
{
CreatePreset(color, false);
}
public virtual void PresetSelect(Image sender)
{
picker.CurrentColor = sender.color;
}
protected virtual void HSVChanged(float h, float s, float v)
{
createPresetImage.color = HSVUtil.ConvertHsvToRgb(h * 360, s, v, 1);
//Debug.Log("hsv util color: " + createPresetImage.color);
}
protected virtual void ColorChanged(Color color)
{
createPresetImage.color = color;
//Debug.Log("color changed: " + color);
}
}
} }

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Scripts/Controls/ColorPicker/ColorSampler.cs Normal file
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namespace UnityEngine.UI.Extensions.ColorPicker
{
/// <summary>
/// Samples colors from a screen capture.
/// Warning! In the editor if you're not in Free aspect mode then
/// the captured area includes the grey areas to the left and right of the game view window.
/// In a build this will not be an issue.
///
/// This does not work well with a world space UI as positioning is working with screen space.
/// </summary>
public class ColorSampler : MonoBehaviour
{
[SerializeField]
protected Button sampler;
[SerializeField]
protected Outline samplerOutline;
protected Texture2D screenCapture;
public ColorChangedEvent oncolorSelected = new ColorChangedEvent();
protected Color color;
protected virtual void OnEnable()
{
screenCapture = ScreenCapture.CaptureScreenshotAsTexture();
sampler.gameObject.SetActive(true);
sampler.onClick.AddListener(SelectColor);
}
protected virtual void OnDisable()
{
Destroy(screenCapture);
sampler.gameObject.SetActive(false);
sampler.onClick.RemoveListener(SelectColor);
}
protected virtual void Update()
{
if (screenCapture == null)
return;
sampler.transform.position = Input.mousePosition;
color = screenCapture.GetPixel((int)Input.mousePosition.x, (int)Input.mousePosition.y);
HandleSamplerColoring();
}
protected virtual void HandleSamplerColoring()
{
sampler.image.color = color;
if (samplerOutline)
{
var c = Color.Lerp(Color.white, Color.black, color.grayscale > 0.5f ? 1 : 0);
c.a = samplerOutline.effectColor.a;
samplerOutline.effectColor = c;
}
}
protected virtual void SelectColor()
{
if (oncolorSelected != null)
oncolorSelected.Invoke(color);
enabled = false;
}
}
}

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