public static Bitmap getEdgeDetectedImage(this Bitmap src, Filter_Type filter_type)
{
Bitmap resizedBitmap = Bitmap.CreateScaledBitmap(src, (src.Width * 256) / src.Height, 256, true);
OpenCV.Core.Mat resizedMat = new OpenCV.Core.Mat();
OpenCV.Android.Utils.BitmapToMat(resizedBitmap, resizedMat);
OpenCV.Core.Mat gaussianMat = new OpenCV.Core.Mat();
Imgproc.GaussianBlur(resizedMat, gaussianMat, new OpenCV.Core.Size(3, 3), 0, 0);
OpenCV.Core.Mat grayMat = new OpenCV.Core.Mat();
Imgproc.CvtColor(gaussianMat, grayMat, Imgproc.ColorRgba2gray, 2);
OpenCV.Core.Mat edgeDetectedMat = new OpenCV.Core.Mat();
if (filter_type == Filter_Type.CANNY)
{
Imgproc.Canny(grayMat, edgeDetectedMat, 100, 100);
}
else
{
OpenCV.Core.Mat sobelMat = new OpenCV.Core.Mat();
Imgproc.Sobel(grayMat, sobelMat, CvType.Cv8u, 1, 1);
Core.ConvertScaleAbs(sobelMat, edgeDetectedMat, 6, 1);
}
Bitmap resultBitmap = Bitmap.CreateBitmap(resizedBitmap.Width, resizedBitmap.Height, Bitmap.Config.Argb8888);
OpenCV.Android.Utils.MatToBitmap(edgeDetectedMat, resultBitmap);
return(resultBitmap);
}
public BTI_Header()
{
Image_Format = ImageFormat.C8;
Enable_Alpha = 0x02;
WrapS = Wrap_Mode.Clamp_Edge;
WrapT = Wrap_Mode.Clamp_Edge;
Unknown1 = 0x01; // Appears to be one in most of the Animal Crossing files
Palette_Format = PixelFormat.RGB5A3;
BorderColor = 0;
Minification_Filter_Type = Filter_Type.Nearest;
Magnification_Filter_Type = Filter_Type.Nearest;
MinLod = 0;
MaxLod = 0;
Mipmap_Count = 1;
Unknown2 = 0;
LodBias = 0;
}
public BTI_Header(byte[] Data)
{
Image_Format = (ImageFormat)Data[0];
Enable_Alpha = Data[1];
Width = (ushort)((Data[2] << 8) | Data[3]);
Height = (ushort)((Data[4] << 8) | Data[5]);
WrapS = (Wrap_Mode)Data[6];
WrapT = (Wrap_Mode)Data[7];
Unknown1 = Data[8];
Palette_Format = (PixelFormat)Data[9];
Palette_Entry_Count = (ushort)((Data[10] << 8) | Data[11]);
Palette_Offset = (uint)((Data[12] << 24) | (Data[13] << 16) | (Data[14] << 8) | Data[15]);
BorderColor = (uint)((Data[16] << 24) | (Data[17] << 16) | (Data[18] << 8) | Data[19]);
Minification_Filter_Type = (Filter_Type)Data[20];
Magnification_Filter_Type = (Filter_Type)Data[21];
MinLod = Data[22];
MaxLod = Data[23];
Mipmap_Count = Data[24];
Unknown2 = Data[25];
LodBias = (ushort)((Data[26] << 8) | Data[27]);
Image_Data_Offset = (uint)((Data[28] << 24) | (Data[29] << 16) | (Data[30] << 8) | Data[31]);
}
public FilterAttribute(Filter_Type _type, string operatorFormat = "")
{
_FilterType = _type;
_operatorFormat = operatorFormat;
}
