public void DecodeBmp256()
{
string bmp256 = Path.Join("Assets", "Images", "256colorbmp.bmp");
byte[] bytes = File.ReadAllBytes(bmp256);
Assert.True(BmpFormat.IsBmp(bytes));
byte[] decodedPixelData = BmpFormat.Decode(bytes, out BmpFileHeader fileHeader);
Assert.True(decodedPixelData != null);
Runner.ExecuteAsLoop(_ =>
{
var r = new Texture(
new Vector2(fileHeader.Width, fileHeader.Height),
decodedPixelData,
PixelFormat.Bgra
)
{
FlipY = true
};
RenderComposer composer = Engine.Renderer.StartFrame();
composer.RenderSprite(Vector3.Zero, new Vector2(fileHeader.Width, fileHeader.Height), Color.White, r);
Engine.Renderer.EndFrame();
Runner.VerifyScreenshot(ResultDb.Bmp256ColorDecode);
r.Dispose();
}).WaitOne();
}
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($"Couldn't load texture - {Name}.", MessageSource.AssetLoader);
return;
}
PerfProfiler.ProfilerEventEnd("Decoding Image", "Loading");
UploadTexture(new Vector2(width, height), pixels, flipped);
}
protected override void CreateInternal(ReadOnlyMemory <byte> data)
{
byte[] pixels = null;
Vector2 size = Vector2.Zero;
var flipped = false; // Whether the image was uploaded flipped - top to bottom.
var format = PixelFormat.Unknown;
PerfProfiler.ProfilerEventStart("Decoding Image", "Loading");
// Magic number check to find out format.
if (PngFormat.IsPng(data))
{
pixels = PngFormat.Decode(data, out PngFileHeader header);
size = header.Size;
format = header.PixelFormat;
}
else if (BmpFormat.IsBmp(data))
{
pixels = BmpFormat.Decode(data, out BmpFileHeader header);
size = new Vector2(header.Width, header.HeaderSize);
flipped = true;
format = PixelFormat.Bgra;
}
else if (ImgBinFormat.IsImgBin(data))
{
pixels = ImgBinFormat.Decode(data, out ImgBinFileHeader header);
size = header.Size;
format = header.Format;
}
if (pixels == null || size.X == 0 || size.Y == 0)
{
Texture = Texture.EmptyWhiteTexture;
Engine.Log.Warning($"Couldn't load texture - {Name}.", MessageSource.AssetLoader);
return;
}
ByteSize = pixels.Length;
PerfProfiler.ProfilerEventEnd("Decoding Image", "Loading");
UploadTexture(size, pixels, flipped, format);
}