// Calculates the blended image given a list of layers
public static Texture2D CalculateBlendedTex(List <UPALayer> _layers, UPALayer.BlendMode mode = UPALayer.BlendMode.NULL)
{
if (_layers.Count > 0)
{
// Calculate blended image
Texture2D _result = null;
for (int i = 0; i < _layers.Count; i++)
{
UPALayer.BlendMode tempMode;
if (mode == UPALayer.BlendMode.NULL)
{
tempMode = _layers[i].mode;
}
else
{
tempMode = mode;
}
if (!_layers[i].enabled)
{
continue;
}
if (_result == null)
{
_result = UPABlendModes.Blend(_layers[i].tex, _layers[i].opacity, _layers[i].tex, _layers[i].opacity, tempMode);
}
else
{
_result = UPABlendModes.Blend(_result, 1, _layers[i].tex, _layers[i].opacity, tempMode);
}
}
if (_result == null)
{
Texture2D _empty = new Texture2D(1, 1);
_empty.SetPixel(0, 0, Color.clear);
_empty.Apply();
return(_empty);
}
return(_result);
}
else
{
Texture2D _empty = new Texture2D(1, 1);
_empty.SetPixel(0, 0, Color.clear);
_empty.Apply();
return(_empty);
}
}
public static void DrawLayerPanel(Rect window)
{
style.imagePosition = ImagePosition.ImageAbove;
int from = 0;
int to = 0;
if (CurrentImg == null)
{
return;
}
for (int i = 0; i < CurrentImg.layers.Count; i++)
{
GUI.backgroundColor = Color.white;
if (i == CurrentImg.selectedLayer)
{
GUI.backgroundColor = new Color(0.7f, 0.7f, 0.7f);
}
UPALayer tempLayer = CurrentImg.layers[i];
if (GUI.Button(new Rect(12, window.height - 60 - i * 36, 65, 33), ""))
{
CurrentImg.selectedLayer = i;
}
GUI.backgroundColor = Color.white;
GUI.Label(new Rect(15, window.height - 52 - i * 36, 90, 30), tempLayer.name);
bool layerEnabled = tempLayer.enabled;
tempLayer.enabled = GUI.Toggle(new Rect(80, window.height - 61 - i * 36, 15, 15), tempLayer.enabled, "");
if (tempLayer.enabled != layerEnabled)
{
tempLayer.parentImg.dirty = true;
}
if (removeLayerIcon == null)
{
removeLayerIcon = (Texture2D)Resources.Load("UI/CrossWhite");
}
if (tempLayer.locked)
{
if (GUI.Button(new Rect(80, window.height - 43 - i * 36, 15, 15), Resources.Load("UI/locked") as Texture2D, style))
{
tempLayer.locked = false;
}
}
else
{
if (GUI.Button(new Rect(80, window.height - 43 - i * 36, 15, 15), Resources.Load("UI/unlocked") as Texture2D, style))
{
tempLayer.locked = true;
}
}
if (i + 1 < CurrentImg.layers.Count)
{
if (GUI.Button(new Rect(97, window.height - 60 - i * 36, 22, 16), "+"))
{
from = i;
to = i + 1;
}
}
if (i > 0)
{
if (GUI.Button(new Rect(97, window.height - 44 - i * 36, 22, 16), "-"))
{
from = i;
to = i - 1;
}
}
CurrentImg.layers[i] = tempLayer;
}
if (from != 0 || to != 0)
{
CurrentImg.ChangeLayerPosition(from, to);
}
GUIStyle smallButon = new GUIStyle();
smallButon.fontSize = 8;
smallButon.alignment = TextAnchor.MiddleCenter;
smallButon.normal.background = Resources.Load("Background") as Texture2D;
if (GUI.Button(new Rect(12, window.height - 20, 18, 18), new GUIContent(Resources.Load("UI/add") as Texture, "Add Layer"), smallButon))
{
CurrentImg.AddLayer();
}
if (CurrentImg.layerCount == 1)
{
GUI.contentColor = new Color(0.7f, 0.7f, 0.7f);
}
if (GUI.Button(new Rect(12 + 20, window.height - 20, 18, 18), new GUIContent(Resources.Load("UI/delete") as Texture, "Delete Layer"), smallButon))
{
if (CurrentImg.layers.Count > 1)
{
bool delete = EditorUtility.DisplayDialog(
"Delete Layer",
"Do you want to remove " + CurrentImg.layers[CurrentImg.selectedLayer].name + "?",
"Delete",
"Cancel");
if (delete)
{
CurrentImg.RemoveLayerAt(CurrentImg.selectedLayer);
}
}
}
GUI.contentColor = Color.white;
if (GUI.Button(new Rect(12 + 20 * 2, window.height - 20, 18, 18), new GUIContent(Resources.Load("UI/import") as Texture, "Import Image"), smallButon))
{
string path = EditorUtility.OpenFilePanel(
"Find an Image (.jpg | .png)",
"/",
"Image Files;*.jpg;*.png");
if (path.Length != 0)
{
// Load Texture from file
Texture2D tex = null;
byte[] fileData;
if (File.Exists(path))
{
fileData = File.ReadAllBytes(path);
tex = new Texture2D(2, 2);
tex.LoadImage(fileData); //..this will auto-resize the texture dimensions.
}
// Create a new Image with textures dimensions
CurrentImg.AddLayer();
// Set pixel colors
UPALayer layer = CurrentImg.layers[CurrentImg.layers.Count - 1];
for (int x = 0; x < CurrentImg.width; x++)
{
for (int y = 0; y < CurrentImg.height; y++)
{
layer.map[x + y * CurrentImg.width] = tex.GetPixel(x, CurrentImg.height - 1 - y);
}
}
layer.LoadTexFromMap();
}
}
if (GUI.Button(new Rect(12 + 20 * 3, window.height - 20, 18, 18), new GUIContent(Resources.Load("UI/duplicate") as Texture, "Duplicate Layer"), smallButon))
{
CurrentImg.layers.Add(new UPALayer(CurrentImg.layers[CurrentImg.selectedLayer]));
}
if (CurrentImg.selectedLayer == 0)
{
GUI.contentColor = new Color(0.7f, 0.7f, 0.7f);
}
if (GUI.Button(new Rect(12 + 20 * 4, window.height - 20, 18, 18), new GUIContent(Resources.Load("UI/merge") as Texture, "Merge Layer Down"), smallButon))
{
if (CurrentImg.selectedLayer > 0)
{
UPALayer upper = CurrentImg.layers[CurrentImg.selectedLayer];
UPALayer lower = CurrentImg.layers[CurrentImg.selectedLayer - 1];
lower.tex = UPABlendModes.Blend(lower.tex, lower.opacity, upper.tex, upper.opacity, upper.mode);
for (int x = 0; x < lower.tex.width; x++)
{
for (int y = 0; y < lower.tex.height; y++)
{
lower.map[x + y * lower.tex.width] = lower.tex.GetPixel(x, lower.tex.height - 1 - y);
}
}
CurrentImg.RemoveLayerAt(CurrentImg.selectedLayer);
}
}
GUI.contentColor = Color.white;
//if (GUI.Button (new Rect (12 + 18 * 4, window.height - 18, 16, 16), Resources.Load("UI/up") as Texture2D, style)) {
// CurrentImg.AddLayer ();
//}
//if (GUI.Button (new Rect (12 + 18 * 5, window.height - 18, 16, 16), Resources.Load("UI/down") as Texture2D, style)) {
// CurrentImg.AddLayer ();
//}
if (GUI.Button(new Rect(12 + 20 * 5, window.height - 20, 18, 18), new GUIContent(Resources.Load("UI/edit") as Texture, "Layer Options"), smallButon))
{
UPALayerSettings.Init(CurrentImg.layers[CurrentImg.selectedLayer]);
}
// Draw layer button tooltips
if (GUI.tooltip != "")
{
GUI.Box(new Rect(12, window.height - 43, 120, 20), GUI.tooltip);
}
//CurrentImg.selectedLayer = GUI.Toolbar (new Rect (4, window.height - 200, 90, 30), CurrentImg.selectedLayer, layerNames);
}