Jan/WLED_MM_Infinity
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Merge pull request #3904 from DedeHai/FX_fcn_improvements

Browse Source 
added improvements to color scaling and blurring
This commit is contained in:
Blaž Kristan
2024-04-16 17:41:20 +02:00
committed by Frank
parent 7dc6659e70
commit 48c64aecff
4 changed files with 168 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
wled00/FX_2Dfcn.cpp
View File

@@ -221,11 +221,7 @@ void IRAM_ATTR_YN Segment::setPixelColorXY(int x, int y, uint32_t col) //WLEDMM:
uint8_t _bri_t = currentBri(on ? opacity : 0);
if (!_bri_t && !transitional) return;
if (_bri_t < 255) {
byte r = scale8(R(col), _bri_t);
byte g = scale8(G(col), _bri_t);
byte b = scale8(B(col), _bri_t);
byte w = scale8(W(col), _bri_t);
col = RGBW32(r, g, b, w);
col = color_fade(col, _bri_t);
}
if (reverse ) x = virtualWidth() - x - 1;
@@ -310,7 +306,7 @@ void Segment::setPixelColorXY(float x, float y, uint32_t col, bool aa, bool fast
}
// returns RGBW values of pixel
uint32_t Segment::getPixelColorXY(uint16_t x, uint16_t y) {
uint32_t IRAM_ATTR_YN Segment::getPixelColorXY(int x, int y) {
if (!isActive()) return 0; // not active
int i = XY(x,y);
if (ledsrgb) return RGBW32(ledsrgb[i].r, ledsrgb[i].g, ledsrgb[i].b, 0);
@@ -356,59 +352,71 @@ void Segment::fadePixelColorXY(uint16_t x, uint16_t y, uint8_t fade) {
}
// blurRow: perform a blur on a row of a rectangular matrix
void Segment::blurRow(uint16_t row, fract8 blur_amount) {
if (!isActive()) return; // not active
void Segment::blurRow(uint32_t row, fract8 blur_amount, bool smear){
if (!isActive() || blur_amount == 0) return; // not active
const uint_fast16_t cols = virtualWidth();
const uint_fast16_t rows = virtualHeight();
if (row >= rows) return;
// blur one row
uint8_t keep = 255 - blur_amount;
uint8_t keep = smear ? 255 : 255 - blur_amount;
uint8_t seep = blur_amount >> 1;
CRGB carryover = CRGB::Black;
for (uint_fast16_t x = 0; x < cols; x++) {
CRGB cur = getPixelColorXY(x, row);
uint32_t before = uint32_t(cur); // remember color before blur
CRGB part = cur;
part.nscale8(seep);
cur.nscale8(keep);
cur += carryover;
if (x>0) {
CRGB prev = CRGB(getPixelColorXY(x-1, row)) + part;
setPixelColorXY(x-1, row, prev);
uint32_t carryover = BLACK;
uint32_t lastnew;
uint32_t last;
uint32_t curnew;
for (unsigned x = 0; x < cols; x++) {
uint32_t cur = getPixelColorXY(x, row);
uint32_t part = color_fade(cur, seep);
curnew = color_fade(cur, keep);
if (x > 0) {
if (carryover)
curnew = color_add(curnew, carryover, true);
uint32_t prev = color_add(lastnew, part, true);
if (last != prev) // optimization: only set pixel if color has changed
setPixelColorXY(x - 1, row, prev);
}
if (before != uint32_t(cur)) // optimization: only set pixel if color has changed
setPixelColorXY(x, row, cur);
else // first pixel
setPixelColorXY(x, row, curnew);
lastnew = curnew;
last = cur; // save original value for comparison on next iteration
carryover = part;
}
setPixelColorXY(cols-1, row, curnew); // set last pixel
}
// blurCol: perform a blur on a column of a rectangular matrix
void Segment::blurCol(uint16_t col, fract8 blur_amount) {
if (!isActive()) return; // not active
void Segment::blurCol(uint32_t col, fract8 blur_amount, bool smear) {
if (!isActive() || blur_amount == 0) return; // not active
const uint_fast16_t cols = virtualWidth();
const uint_fast16_t rows = virtualHeight();
if (col >= cols) return;
// blur one column
uint8_t keep = 255 - blur_amount;
uint8_t keep = smear ? 255 : 255 - blur_amount;
uint8_t seep = blur_amount >> 1;
CRGB carryover = CRGB::Black;
for (uint_fast16_t y = 0; y < rows; y++) {
CRGB cur = getPixelColorXY(col, y);
CRGB part = cur;
uint32_t before = uint32_t(cur); // remember color before blur
part.nscale8(seep);
cur.nscale8(keep);
cur += carryover;
if (y>0) {
CRGB prev = CRGB(getPixelColorXY(col, y-1)) + part;
setPixelColorXY(col, y-1, prev);
uint32_t carryover = BLACK;
uint32_t lastnew;
uint32_t last;
uint32_t curnew;
for (unsigned y = 0; y < rows; y++) {
uint32_t cur = getPixelColorXY(col, y);
uint32_t part = color_fade(cur, seep);
curnew = color_fade(cur, keep);
if (y > 0) {
if (carryover)
curnew = color_add(curnew, carryover, true);
uint32_t prev = color_add(lastnew, part, true);
if (last != prev) // optimization: only set pixel if color has changed
setPixelColorXY(col, y - 1, prev);
}
if (before != uint32_t(cur)) // optimization: only set pixel if color has changed
setPixelColorXY(col, y, cur);
carryover = part;
else // first pixel
setPixelColorXY(col, y, curnew);
lastnew = curnew;
last = cur; //save original value for comparison on next iteration
carryover = part;
}
setPixelColorXY(col, rows - 1, curnew);
}
// 1D Box blur (with added weight - blur_amount: [0=no blur, 255=max blur])