// *
// Run image manipulation
// \return Pointer to image buffer which has been set in the constructor.
//
public override TextureBuffer process() {
float[] blurKernel = { 1, 2, 3, 2, 1, 2, 4, 5, 4, 2, 3, 5, 6, 5, 3, 2, 4, 5, 4, 2, 1, 2, 3, 2, 1 };
Convolution filter = new Convolution(mBuffer);
switch (mType) {
default:
//C++ TO C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case BLUR_TYPE.BLUR_BOX:
filter.setKernel(5, blurKernel);
break;
case BLUR_TYPE.BLUR_MEAN:
filter.setKernel(new Matrix3(1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f)).calculateDivisor();
break;
case BLUR_TYPE.BLUR_GAUSSIAN:
float fSigma = 0.5f + ((3.0f - 0.5f) / 255.0f) * (float)mSigma;
int r = (int)mSize / 2;
double min = System.Math.Exp((float)(2 * r * r) / (-2.0f * fSigma * fSigma)) / (Math.TWO_PI * fSigma * fSigma);
int[] kernel = new int[mSize * mSize];
int divisor = 0;
int y = -r;
int x = -r;
for (int i = 0; i < mSize; i++) {
for (int j = 0; j < mSize; j++) {
kernel[i * mSize + j] = (int)((System.Math.Exp((float)(x * x + y * y) / (-2.0f * fSigma * fSigma)) / (Math.TWO_PI * fSigma * fSigma)) / min);
divisor += kernel[i * mSize + j];
x++;
}
y++;
}
filter.setKernel(mSize, kernel).setDivisor((float)divisor);
kernel = null;
break;
}
filter.setIncludeAlphaChannel(true).process();
Utils.log("Modify texture with blur filter : " + (mType).ToString());
return mBuffer;
}
// *
// Run image manipulation
// \return Pointer to image buffer which has been set in the constructor.
//
public override TextureBuffer process() {
Convolution filter = new Convolution(mBuffer);
switch (mType) {
default:
//C++ TO C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case SHARP_TYPE.SHARP_BASIC:
filter.setKernel(new Matrix3(0.0f, -1.0f, 0.0f, -1.0f, 5.0f, -1.0f, 0.0f, -1.0f, 0.0f)).calculateDivisor();
break;
case SHARP_TYPE.SHARP_GAUSSIAN:
float fSigma = 0.5f + ((5.0f - 0.5f) / 255.0f) * (float)mSigma;
int r = (int)mSize / 2;
double min = System.Math.Exp((float)(2 * r * r) / (-2.0f * fSigma * fSigma)) / (Math.TWO_PI * fSigma * fSigma);
int[] kernel = new int[mSize * mSize];
int sum = 0;
int y = -r;
int x = -r;
for (int i = 0; i < mSize; i++) {
for (int j = 0; j < mSize; j++) {
kernel[i * mSize + j] = (int)((System.Math.Exp((float)(x * x + y * y) / (-2.0f * fSigma * fSigma)) / (Math.TWO_PI * fSigma * fSigma)) / min);
sum += kernel[i * mSize + j];
x++;
}
y++;
}
int c = (int)mSize >> 1;
int divisor = 0;
for (int i = 0; i < mSize; i++) {
for (int j = 0; j < mSize; j++) {
if ((i == c) && (j == c))
kernel[i * mSize + j] = 2 * sum - kernel[i * mSize + j];
else
kernel[i * mSize + j] = -kernel[i * mSize + j];
divisor += kernel[i * mSize + j];
}
}
filter.setKernel(mSize, kernel).setDivisor((float)divisor);
kernel = null;
break;
}
filter.setIncludeAlphaChannel(true).process();
Utils.log("Modify texture with sharpen filter : " + (mType).ToString());
return mBuffer;
}
