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cppcheck clean rtengine/badpixels.cc

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This commit is contained in:
Ingo Weyrich 2021-05-22 11:32:10 +02:00
parent 35064451d6
commit 9972c2e990
1 changed files with 21 additions and 21 deletions
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42
rtengine/badpixels.cc
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@ -182,7 +182,7 @@ int RawImageSource::interpolateBadPixelsBayer(const PixelsMap &bitmapBads, array
/* interpolateBadPixelsNcolors: correct raw pixels looking at the bitmap
* takes into consideration if there are multiple bad pixels in the neighborhood
*/
int RawImageSource::interpolateBadPixelsNColours(const PixelsMap &bitmapBads, const int colors)
int RawImageSource::interpolateBadPixelsNColours(const PixelsMap &bitmapBads, const int colours)
{
constexpr float eps = 1.f;
int counter = 0;
@ -204,9 +204,9 @@ int RawImageSource::interpolateBadPixelsNColours(const PixelsMap &bitmapBads, co
continue;
}
float wtdsum[colors];
float norm[colors];
for (int c = 0; c < colors; ++c) {
float wtdsum[colours];
float norm[colours];
for (int c = 0; c < colours; ++c) {
wtdsum[c] = norm[c] = 0.f;
}
@ -216,41 +216,41 @@ int RawImageSource::interpolateBadPixelsNColours(const PixelsMap &bitmapBads, co
continue;
}
for (int c = 0; c < colors; ++c) {
const float dirwt = 0.70710678f / (fabsf(rawData[row - 1][(col + dx) * colors + c] - rawData[row + 1][(col - dx) * colors + c]) + eps);
wtdsum[c] += dirwt * (rawData[row - 1][(col + dx) * colors + c] + rawData[row + 1][(col - dx) * colors + c]);
for (int c = 0; c < colours; ++c) {
const float dirwt = 0.70710678f / (fabsf(rawData[row - 1][(col + dx) * colours + c] - rawData[row + 1][(col - dx) * colours + c]) + eps);
wtdsum[c] += dirwt * (rawData[row - 1][(col + dx) * colours + c] + rawData[row + 1][(col - dx) * colours + c]);
norm[c] += dirwt;
}
}
// horizontal interpolation
if (!(bitmapBads.get(col - 1, row) || bitmapBads.get(col + 1, row))) {
for (int c = 0; c < colors; ++c) {
const float dirwt = 1.f / (fabsf(rawData[row][(col - 1) * colors + c] - rawData[row][(col + 1) * colors + c]) + eps);
wtdsum[c] += dirwt * (rawData[row][(col - 1) * colors + c] + rawData[row][(col + 1) * colors + c]);
for (int c = 0; c < colours; ++c) {
const float dirwt = 1.f / (fabsf(rawData[row][(col - 1) * colours + c] - rawData[row][(col + 1) * colours + c]) + eps);
wtdsum[c] += dirwt * (rawData[row][(col - 1) * colours + c] + rawData[row][(col + 1) * colours + c]);
norm[c] += dirwt;
}
}
// vertical interpolation
if (!(bitmapBads.get(col, row - 1) || bitmapBads.get(col, row + 1))) {
for (int c = 0; c < colors; ++c) {
const float dirwt = 1.f / (fabsf(rawData[row - 1][col * colors + c] - rawData[row + 1][col * colors + c]) + eps);
wtdsum[c] += dirwt * (rawData[row - 1][col * colors + c] + rawData[row + 1][col * colors + c]);
for (int c = 0; c < colours; ++c) {
const float dirwt = 1.f / (fabsf(rawData[row - 1][col * colours + c] - rawData[row + 1][col * colours + c]) + eps);
wtdsum[c] += dirwt * (rawData[row - 1][col * colours + c] + rawData[row + 1][col * colours + c]);
norm[c] += dirwt;
}
}
if (LIKELY(norm[0] > 0.f)) { // This means, we found at least one pair of valid pixels in the steps above, likelihood of this case is about 99.999%
for (int c = 0; c < colors; ++c) {
rawData[row][col * colors + c] = wtdsum[c] / (2.f * norm[c]); //gradient weighted average, Factor of 2.f is an optimization to avoid multiplications in former steps
for (int c = 0; c < colours; ++c) {
rawData[row][col * colours + c] = wtdsum[c] / (2.f * norm[c]); //gradient weighted average, Factor of 2.f is an optimization to avoid multiplications in former steps
}
counter++;
} else { //backup plan -- simple average. Same method for all channels. We could improve this, but it's really unlikely that this case happens
int tot = 0;
float sum[colors];
for (int c = 0; c < colors; ++c) {
float sum[colours];
for (int c = 0; c < colours; ++c) {
sum[c] = 0.f;
}
@ -260,8 +260,8 @@ int RawImageSource::interpolateBadPixelsNColours(const PixelsMap &bitmapBads, co
continue;
}
for (int c = 0; c < colors; ++c) {
sum[c] += rawData[row + dy][(col + dx) * colors + c];
for (int c = 0; c < colours; ++c) {
sum[c] += rawData[row + dy][(col + dx) * colours + c];
}
tot++;
@ -269,8 +269,8 @@ int RawImageSource::interpolateBadPixelsNColours(const PixelsMap &bitmapBads, co
}
if (tot > 0) {
for (int c = 0; c < colors; ++c) {
rawData[row][col * colors + c] = sum[c] / tot;
for (int c = 0; c < colours; ++c) {
rawData[row][col * colours + c] = sum[c] / tot;
}
counter ++;