/// <summary>
/// Add a new texture or return the existing one
/// </summary>
public PAImage AddImage(PAFrame frame, PALayer layer)
{
var image = FindImage(frame, layer);
if (null != image)
{
return(image);
}
var texture = new Texture2D(width, height, TextureFormat.RGBA32, false);
texture.filterMode = FilterMode.Point;
texture.Clear(Color.clear);
texture.Apply();
image = new PAImage
{
frame = frame,
layer = layer,
texture = texture
};
images.Add(image);
return(image);
}
/// <summary>
/// Remove a layer from the file
/// </summary>
public void DeleteLayer(PALayer remove)
{
// Remove all textures that reference the layer
images = images.Where(t => t.layer != remove).ToList();
// Adjust the order for all layers after the layer being removed
foreach (var layer in layers)
{
if (layer.order > remove.order)
{
layer.order--;
}
}
// Remove the layer from the list
layers.Remove(remove);
}
public PALayerItem(PACanvas canvas, PALayer layer)
{
_canvas = canvas;
Layer = layer;
Layer.Item = this;
pickingMode = PickingMode.Position;
focusable = true;
AddToClassList("layer");
Add(PAUtils.CreateIconToggle("LayerVisibilityToggle", "Toggle layer visibility", OnVisibilityChanged));
_preview = new Image()
{
name = "Preview"
};
Add(_preview);
Add(new Label(layer.name));
}
/// <summary>
/// Add a new layer to the file
/// </summary>
public PALayer AddLayer()
{
// Determine the unique name index for the layer based on the
// maximum layer named "Layer #"
var nameIndex = layers
.Where(l => l.name.StartsWith("Layer "))
.Select(l => int.Parse(l.name.Substring(6)))
.DefaultIfEmpty()
.Max() + 1;
var layer = new PALayer(this)
{
id = System.Guid.NewGuid().ToString(),
name = $"Layer {nameIndex}",
opacity = 1.0f,
order = layers.Count
};
layers.Add(layer);
return(layer);
}
/// <summary> /// Find the texture for the given frame and layer /// </summary> /// <returns></returns> public PAImage FindImage(PAFrame frame, PALayer layer) => images.Where(t => t.frame == frame && t.layer == layer).FirstOrDefault();
/// <summary>
/// Load a pixel edtior file from the given filename
/// </summary>
public static PAFile Load(string filename)
{
var file = new PAFile {
name = Path.GetFileNameWithoutExtension(filename)
};
using (var reader = new BinaryReader(File.OpenRead(filename)))
{
file.version = reader.ReadInt32();
file.width = reader.ReadInt32();
file.height = reader.ReadInt32();
var textureSize = 4 * file.width * file.height;
// Read the layers
var layerCount = reader.ReadInt32();
for (var layerIndex = 0; layerIndex < layerCount; layerIndex++)
{
var layer = new PALayer(file);
layer.id = reader.ReadString();
layer.name = reader.ReadString();
layer.opacity = reader.ReadSingle();
layer.order = reader.ReadInt32();
layer.visible = reader.ReadBoolean();
file.layers.Add(layer);
}
// Read the animations
var animationCount = reader.ReadInt32();
for (var animationIndex = 0; animationIndex < animationCount; animationIndex++)
{
var animation = new PAAnimation();
animation.id = reader.ReadString();
animation.name = reader.ReadString();
if (file.version < 3)
{
animation.fps = 10;
}
else
{
animation.fps = reader.ReadInt32();
}
file.animations.Add(animation);
}
// Read the frames
var frameCount = reader.ReadInt32();
for (var frameIndex = 0; frameIndex < frameCount; frameIndex++)
{
var frame = new PAFrame(file);
frame.id = reader.ReadString();
frame.animation = file.FindAnimation(reader.ReadString());
frame.order = reader.ReadInt32();
file.frames.Add(frame);
}
// Read the textures
var imageCount = reader.ReadInt32();
for (var imageIndex = 0; imageIndex < imageCount; imageIndex++)
{
var image = new PAImage();
image.frame = file.FindFrame(reader.ReadString());
image.layer = file.FindLayer(reader.ReadString());
if (reader.ReadBoolean())
{
image.texture = new Texture2D(file.width, file.height, TextureFormat.RGBA32, false);
image.texture.LoadRawTextureData(reader.ReadBytes(textureSize));
image.texture.filterMode = FilterMode.Point;
image.texture.Apply();
}
file.images.Add(image);
}
}
return(file);
}