/// <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);
}
public override void OnDrawStart(PADrawEvent evt)
{
if (!evt.shift || _drawPosition == null)
{
_drawPosition = CanvasToTexture(evt.imagePosition);
}
_drawColor = GetDrawColor(evt.button);
_target = Canvas.File.AddImage(Canvas.ActiveFrame, Canvas.ActiveLayer);
DrawTo(evt.imagePosition);
}
public override void OnDrawEnd(PADrawEvent evt, bool cancelled)
{
_target = null;
Canvas.RefreshImage();
}
/// <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);
}