/// <summary> Create Color[] from PNG file, async </summary>
public static async Task <ReadColorsResult> ReadColorsAsync
(
string filePath
)
{
ReadColorsResult results = new ReadColorsResult {
pixels = null,
width = -1,
height = -1,
textureFormatInfered = 0
};
PngReader reader = null;
try
{
reader = FileHelper.CreatePngReader(filePath);
var info = reader.ImgInfo;
results.height = info.Rows;
results.width = info.Cols;
results.pixels = new Color[results.width * results.height];
int channels = info.Channels;
int bitDepth = info.BitDepth;
//select appropriate texture format:
results.textureFormatInfered = GetTextureFormat(bitDepth, channels, info.Indexed);
//create pixel array:
await Task.Run(() => {
ReadSamples(reader, results);
});
}
catch (System.Exception ex)
{
Debug.LogException(ex);
if (results.pixels == null)
{
results.width = 2;
results.height = 2;
results.pixels = new Color[results.width * results.height];
}
if (results.textureFormatInfered == 0)
{
results.textureFormatInfered = TextureFormat.RGBA32;
}
}
finally
{
if (reader != null)
{
reader.Dispose();
}
}
return(results);
}
/// <summary> Creates ImageInfo object based on given png </summary>
public static ImageInfo ReadImageInfo
(
string filePath
)
{
ImageInfo imageInfo = null;
PngReader reader = null;
try
{
reader = FileHelper.CreatePngReader(filePath);
imageInfo = reader.ImgInfo;
}
catch (System.Exception ex) { Debug.LogException(ex); }
finally
{
if (reader != null)
{
reader.Dispose();
}
}
return(imageInfo);
}