public Bitmap Resample(Bitmap image, int width, int height)
{
ResamplingService resamplingService = new ResamplingService();
resamplingService.Filter = ResamplingFilters.Lanczos3;
ushort[][,] input = ResamplingFilter.ConvertBitmapToArray((Bitmap)image);
ushort[][,] output = resamplingService.Resample(input, width, height);
Bitmap result = (Bitmap)ResamplingFilter.ConvertArrayToBitmap(output);
return(result);
}
public void Resample(ResamplingFilters filter, int newWidth, int newHeight)
{
if (Disposed)
{
return;
}
ResamplingService resamplingService = new ResamplingService();
resamplingService.Filter = filter;
var array = ResamplingFilter.ConvertByteArrayToArray((byte *)this.Bytes.ToPointer(), this.Width, this.Height);
var result = resamplingService.Resample(array, newWidth, newHeight);
this.InternalResize(newWidth, newHeight);
ResamplingFilter.ConvertArrayToByteArray(result, (byte *)this.Bytes.ToPointer());
}
public void colorAlphaFromSplat(int splat_control_tex_idx) {
ReliefTerrain _target=(ReliefTerrain)target;
Color[] cols;
if (!_target.ColorGlobal) return;
_target.prepare_tmpTexture(true);
if (!_target.ColorGlobal) return;
if ((_target.ColorGlobal.format!=TextureFormat.Alpha8) && (_target.ColorGlobal.format!=TextureFormat.ARGB32)) {
try {
_target.ColorGlobal.GetPixels(0,0,4,4,0);
} catch (Exception e) {
Debug.LogError("Global ColorMap has to be marked as isReadable...");
Debug.LogError(e.Message);
}
Texture2D tmp_globalColorMap;
if (_target.ColorGlobal.format==TextureFormat.Alpha8) {
tmp_globalColorMap=new Texture2D(_target.ColorGlobal.width, _target.ColorGlobal.height, TextureFormat.Alpha8, true);
} else {
tmp_globalColorMap=new Texture2D(_target.ColorGlobal.width, _target.ColorGlobal.height, TextureFormat.ARGB32, true);
}
cols=_target.ColorGlobal.GetPixels();
_target.ColorGlobal=tmp_globalColorMap;
} else {
cols=_target.ColorGlobal.GetPixels();
}
if (splat_control_tex_idx<_target.globalSettingsHolder.numLayers) {
Texture2D splatA=_target.controlA;
Texture2D splatB=(_target.globalSettingsHolder.numLayers<=8) ? _target.controlB : _target.controlC;
float[,] blured_sum=new float[_target.ColorGlobal.width, _target.ColorGlobal.height];
int idx;
if (splatA.width!=_target.ColorGlobal.width || splatA.height!=_target.ColorGlobal.height) {
ResamplingService resamplingService = new ResamplingService();
resamplingService.Filter = ResamplingFilters.Quadratic;
ushort[][,] input = ConvertTextureToArray((Texture2D)splatA);
ushort[][,] output = resamplingService.Resample(input, _target.ColorGlobal.width, _target.ColorGlobal.height);
for(int i=0; i<_target.ColorGlobal.width; i++) {
for(int j=0; j<_target.ColorGlobal.height; j++) {
blured_sum[i,j]=(output[0][i,j]+output[1][i,j]+output[2][i,j]+output[3][i,j])/255.0f;
}
}
} else {
Color32[] cols_splat=splatA.GetPixels32();
idx=0;
for(int i=0; i<_target.ColorGlobal.width; i++) {
for(int j=0; j<_target.ColorGlobal.height; j++) {
blured_sum[i,j]=(cols_splat[idx].r+cols_splat[idx].g+cols_splat[idx].b+cols_splat[idx].a)/255.0f;
idx++;
}
}
}
if (splatB.width!=_target.ColorGlobal.width || splatB.height!=_target.ColorGlobal.height) {
ResamplingService resamplingService = new ResamplingService();
resamplingService.Filter = ResamplingFilters.Quadratic;
ushort[][,] input = ConvertTextureToArray((Texture2D)splatB);
ushort[][,] output = resamplingService.Resample(input, _target.ColorGlobal.width, _target.ColorGlobal.height);
for(int i=0; i<_target.ColorGlobal.width; i++) {
for(int j=0; j<_target.ColorGlobal.height; j++) {
blured_sum[i,j]=Mathf.Max(blured_sum[i,j], (output[0][i,j]+output[1][i,j]+output[2][i,j]+output[3][i,j])/255.0f);
}
}
} else {
Color32[] cols_splat=splatB.GetPixels32();
idx=0;
for(int i=0; i<_target.ColorGlobal.width; i++) {
for(int j=0; j<_target.ColorGlobal.height; j++) {
blured_sum[i,j]=Mathf.Max(blured_sum[i,j], (cols_splat[idx].r+cols_splat[idx].g+cols_splat[idx].b+cols_splat[idx].a)/255.0f);
idx++;
}
}
}
for(int i=0; i<_target.ColorGlobal.width; i++) {
for(int j=0; j<_target.ColorGlobal.height; j++) {
if (blured_sum[i,j]>1) blured_sum[i,j]=1; else blured_sum[i,j]=blured_sum[i,j];
}
}
float[,] blured_sum2=new float[_target.ColorGlobal.width, _target.ColorGlobal.height];
float[,] tmp_blured_sum;
for(int blur_cnt=0; blur_cnt<4; blur_cnt++) {
for(int i=1; i<_target.ColorGlobal.width-1; i++) {
for(int j=1; j<_target.ColorGlobal.height-1; j++) {
blured_sum2[i,j]=0.7f*(blured_sum[i+1,j]+blured_sum[i-1,j]+blured_sum[i,j+1]+blured_sum[i,j-1]);
blured_sum2[i,j]+=0.3f*(blured_sum[i+1,j+1]+blured_sum[i+1,j-1]+blured_sum[i-1,j+1]+blured_sum[i-1,j-1]);
blured_sum2[i,j]*=0.25f;
}
}
tmp_blured_sum=blured_sum;
blured_sum=blured_sum2;
blured_sum2=tmp_blured_sum;
}
idx=0;
for(int i=0; i<_target.ColorGlobal.width; i++) {
for(int j=0; j<_target.ColorGlobal.height; j++) {
cols[idx].a=blured_sum[i,j];
cols[idx].a*=cols[idx].a;
cols[idx].a*=cols[idx].a;
if (cols[idx].a<0.008f) cols[idx].a=0.008f;
idx++;
}
}
_target.ColorGlobal.SetPixels(cols);
_target.ColorGlobal.Apply(true,false);
}
}
private Texture2D PadTex(Texture2D splat, int padding, bool updateMips=true) {
int size=splat.width;
int size_padded=size-padding*2;
ResamplingService resamplingService = new ResamplingService();
resamplingService.Filter = ResamplingFilters.Lanczos3;
ushort[][,] input = ConvertTextureToArray((Texture2D)splat);
ushort[][,] output = resamplingService.Resample(input, size_padded, size_padded);
for(int c=0; c<4; c++) {
for(int i=0; i<size_padded; i++) {
for(int j=0; j<size_padded; j++) {
if (output[c][i,j]>255) output[c][i,j]=255;
}
}
}
Color32[] cols=new Color32[size*size];
for(int j=0; j<size; j++) {
int j_idx1=j*size;
int j_idx2=((j+size_padded-padding)%size_padded);
for(int i=0; i<size; i++) {
int i2=(i+size_padded-padding)%size_padded;
cols[j_idx1].r=(byte)output[0][i2, j_idx2];
cols[j_idx1].g=(byte)output[1][i2, j_idx2];
cols[j_idx1].b=(byte)output[2][i2, j_idx2];
cols[j_idx1].a=(byte)output[3][i2, j_idx2];
j_idx1++;
}
}
if (updateMips) {
Texture2D tex=new Texture2D(size,size,TextureFormat.ARGB32,true);
tex.SetPixels32(cols);
tex.Apply(true,false);
return tex;
} else {
Texture2D tex=new Texture2D(size,size,TextureFormat.ARGB32,false);
tex.SetPixels32(cols);
tex.Apply(false,false);
return tex;
}
}