public static GradientWrapper GradientField(GradientWrapper gradient, params GUILayoutOption[] options) {
if (gradient == null)
gradient = new GradientWrapper();
gradient.GradientData = s_miGradientField1.Invoke(null, new object[] { gradient.GradientData, options });
return gradient;
}
private void OnGUI(){
Grad = GUIGradientField.GradientField("Gradient", Grad);
// Gradient Options
_invertGradient = EditorGUILayout.Toggle("Invert Gradient", _invertGradient);
gradType = (GradType)EditorGUILayout.EnumPopup ("Gradient Type", gradType);
// Gradient Falloff
if(gradType == GradType.Radial){
EditorGUILayout.BeginHorizontal();
string falloff = EditorGUILayout.TextField("Falloff", _radialGradientFalloff.ToString());
float.TryParse(falloff, out _radialGradientFalloff);
GUILayout.EndHorizontal();
_radialGradientFalloff = GUILayout.HorizontalSlider(_radialGradientFalloff, 0f, 100f);
}
// Output filename
_fileName = EditorGUILayout.TextField("Output Filename",_fileName);
// Gradient output size/aspect
EditorGUILayout.BeginHorizontal();
if(_fixedAspect){
EditorGUILayout.PrefixLabel("Gradient Size");
} else {
EditorGUILayout.PrefixLabel("Gradient Width");
}
string gradSizeX = EditorGUILayout.TextField(_gradientSizeX.ToString());
int.TryParse(gradSizeX, out _gradientSizeX);
EditorGUILayout.PrefixLabel("px");
EditorGUILayout.EndHorizontal();
if(_fixedAspect){
_gradientSizeY = _gradientSizeX;
} else {
string gradSizeY = EditorGUILayout.TextField("Gradient Height",_gradientSizeY.ToString());
int.TryParse(gradSizeY, out _gradientSizeY);
}
// Set parammeters of gradient preview area
GUILayoutOption[] guioptions = new GUILayoutOption[2];
guioptions[0] = GUILayout.Height(Mathf.Clamp(_gradientSizeX,4,256));
guioptions[1] = GUILayout.Width(Mathf.Clamp(_gradientSizeY,4,256));
GUIStyle previewStyle = new GUIStyle();
previewStyle.alignment = TextAnchor.MiddleCenter;
// Load checker pattern for preview area
string path = null;
if(checker == null || checker.width != _gradientSizeX || checker.height != _gradientSizeY){
if(Application.platform == RuntimePlatform.OSXEditor){
path = Application.dataPath + "/GradientMaker/";
} else if (Application.platform == RuntimePlatform.WindowsEditor){
path = Application.dataPath + "\\GradientMaker\\";
}
byte[] rawChecker = File.ReadAllBytes(path + "Checker.png");
checker = new Texture2D(_gradientSizeX, _gradientSizeY);
checker.LoadImage(rawChecker);
}
// Draw prewiew area
GUILayout.BeginHorizontal(checker, previewStyle, guioptions);
GUILayout.Label(outTexture, guioptions);
GUILayout.EndHorizontal();
_overWriteExisting = EditorGUILayout.ToggleLeft("Overwrite existing", _overWriteExisting);
GUILayout.BeginHorizontal();
if(GUILayout.Button("Save Gradient")){
InitProcessGradient(false);
}
GUILayout.EndHorizontal();
// Update preview if nessisary
if(GUI.changed){
Undo.RecordObject(this, "Gradient Changed");
InitProcessGradient(true);
EditorUtility.SetDirty (this);
}
}
private static GradientWrapper CreateGradTexture(){
// Create gradient object and assign generic starting colours
GradientWrapper.ColorKey[] gck = new GradientWrapper.ColorKey[2];
gck[0] = new GradientWrapper.ColorKey(Color.black, 0f);
gck[1] = new GradientWrapper.ColorKey(Color.white, 1f);
GradientWrapper.AlphaKey[] gak = new GradientWrapper.AlphaKey[2];
gak[0] = new GradientWrapper.AlphaKey(1f, 0f);
gak[1] = new GradientWrapper.AlphaKey(1f, 1f);
GradientWrapper gw = new GradientWrapper();
gw = GUIGradientField.GradientField("Gradient", gw);
gw.SetKeys(gck, gak);
return gw;
}
