protected override void CreateInternal(byte[] data)
{
byte[] pixels = null;
var width = 0;
var height = 0;
var flipped = false; // Whether the image was uploaded flipped - top to bottom.
PerfProfiler.ProfilerEventStart("Decoding Image", "Loading");
// Check if PNG.
if (PngFormat.IsPng(data))
{
pixels = PngFormat.Decode(data, out PngFileHeader header);
width = header.Width;
height = header.Height;
}
// Check if BMP.
else if (BmpFormat.IsBmp(data))
{
pixels = BmpFormat.Decode(data, out BmpFileHeader header);
width = header.Width;
height = header.Height;
flipped = true;
}
if (pixels == null || width == 0 || height == 0)
{
Engine.Log.Warning($"Couldn't load texture - {Name}.", MessageSource.AssetLoader);
return;
}
PerfProfiler.ProfilerEventEnd("Decoding Image", "Loading");
UploadTexture(new Vector2(width, height), pixels, flipped);
}
public void DecodePngInterlaced()
{
string png = Path.Join("Assets", "Images", "spritesheetAnimation.png");
byte[] bytes = File.ReadAllBytes(png);
Assert.True(PngFormat.IsPng(bytes));
byte[] decodedPixelData = PngFormat.Decode(bytes, out PngFileHeader fileHeader);
Assert.True(decodedPixelData != null);
Assert.True(fileHeader.InterlaceMethod == 1);
Runner.ExecuteAsLoop(_ =>
{
var r = new Texture(
fileHeader.Size,
decodedPixelData,
fileHeader.PixelFormat);
RenderComposer composer = Engine.Renderer.StartFrame();
composer.RenderSprite(Vector3.Zero, fileHeader.Size, Color.White, r);
Engine.Renderer.EndFrame();
Runner.VerifyScreenshot(ResultDb.PngDecodeInterlaced);
r.Dispose();
}).WaitOne();
}
private void LoadFile(OtherAsset f)
{
_status = "Loading...";
byte[] data = f.Content;
if (!PngFormat.IsPng(data))
{
_status = $"The provided file {f.Name} is not a PNG file.";
return;
}
byte[] pixels = PngFormat.Decode(data, out PngFileHeader header);
byte[] output = PngFormat.Encode(pixels, header.Width, header.Height);
bool saved = Engine.AssetLoader.Save(output, "Player" + "/" + f.Name, false);
_status = saved ? "Done!" : "Error when saving the file. Check logs.";
}
protected override void CreateInternal(ReadOnlyMemory <byte> data)
{
byte[] pixels = null;
Vector2 size = Vector2.Zero;
var flipped = false; // Whether the image was uploaded flipped - top to bottom.
var format = PixelFormat.Unknown;
PerfProfiler.ProfilerEventStart("Decoding Image", "Loading");
// Magic number check to find out format.
if (PngFormat.IsPng(data))
{
pixels = PngFormat.Decode(data, out PngFileHeader header);
size = header.Size;
format = header.PixelFormat;
}
else if (BmpFormat.IsBmp(data))
{
pixels = BmpFormat.Decode(data, out BmpFileHeader header);
size = new Vector2(header.Width, header.HeaderSize);
flipped = true;
format = PixelFormat.Bgra;
}
else if (ImgBinFormat.IsImgBin(data))
{
pixels = ImgBinFormat.Decode(data, out ImgBinFileHeader header);
size = header.Size;
format = header.Format;
}
if (pixels == null || size.X == 0 || size.Y == 0)
{
Texture = Texture.EmptyWhiteTexture;
Engine.Log.Warning($"Couldn't load texture - {Name}.", MessageSource.AssetLoader);
return;
}
ByteSize = pixels.Length;
PerfProfiler.ProfilerEventEnd("Decoding Image", "Loading");
UploadTexture(size, pixels, flipped, format);
}