e63dc7e71e
* introducing WLED_MAX_SEGNAME_LEN from upstream * default: max name length = 48 * hopefully found all places where the segment name length was hardcoded (32, 33, 34) * some comments still refer to "32" but wtf
1015 lines
44 KiB
C++
1015 lines
44 KiB
C++
/*
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FX_2Dfcn.cpp contains all 2D utility functions
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Parts of the code adapted from WLED Sound Reactive: Copyright (c) 2022 Andrew Tuline, Ewoud Wijma, Harm Aldick
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*/
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#include "wled.h"
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#include "FX.h"
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#include "palettes.h"
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// setUpMatrix() - constructs ledmap array from matrix of panels with WxH pixels
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// this converts physical (possibly irregular) LED arrangement into well defined
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// array of logical pixels: fist entry corresponds to left-topmost logical pixel
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// followed by horizontal pixels, when Segment::maxWidth logical pixels are added they
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// are followed by next row (down) of Segment::maxWidth pixels (and so forth)
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// note: matrix may be comprised of multiple panels each with different orientation
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// but ledmap takes care of that. ledmap is constructed upon initialization
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// so matrix should disable regular ledmap processing
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void WS2812FX::setUpMatrix() {
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#ifndef WLED_DISABLE_2D
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// isMatrix is set in cfg.cpp or set.cpp
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if (isMatrix) {
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// calculate width dynamically because it will have gaps
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Segment::maxWidth = 1;
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Segment::maxHeight = 1;
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for (size_t i = 0; i < panel.size(); i++) {
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Panel &p = panel[i];
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if (p.xOffset + p.width > Segment::maxWidth) {
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Segment::maxWidth = p.xOffset + p.width;
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}
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if (p.yOffset + p.height > Segment::maxHeight) {
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Segment::maxHeight = p.yOffset + p.height;
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}
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}
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// safety check
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// WLEDMM no check on Segment::maxWidth * Segment::maxHeight > MAX_LEDS ||
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if (Segment::maxWidth <= 1 || Segment::maxHeight <= 1) {
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DEBUG_PRINTF("2D Bounds error. %d x %d\n", Segment::maxWidth, Segment::maxHeight);
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isMatrix = false;
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Segment::maxWidth = _length;
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Segment::maxHeight = 1;
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panels = 0;
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panel.clear(); // release memory allocated by panels
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resetSegments(true); //WLEDMM bounds only
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return;
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}
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USER_PRINTF("setUpMatrix %d x %d\n", Segment::maxWidth, Segment::maxHeight);
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// WLEDMM check if mapping table is necessary (avoiding heap fragmentation)
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#if defined(WLED_ENABLE_HUB75MATRIX)
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bool needLedMap = (loadedLedmap >0); // ledmap loaded
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needLedMap |= WLED_FS.exists(F("/2d-gaps.json")); // gapFile found
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needLedMap |= panel.size() > 1; // 2D config: more than one panel
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if (panel.size() == 1) {
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Panel &p = panel[0];
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needLedMap |= p.serpentine; // panel serpentine
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needLedMap |= p.vertical; // panel not horizotal
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needLedMap |= p.bottomStart | p.rightStart; // panel not top left, or not left->light
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needLedMap |= (p.xOffset > 0) || (p.yOffset > 0); // panel does not start at (0,0)
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}
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#else
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bool needLedMap = true; // always use ledMaps on non-HUB75 builds
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#endif
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//WLEDMM recreate customMappingTable if more space needed
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if (Segment::maxWidth * Segment::maxHeight > customMappingTableSize) {
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size_t size = max(ledmapMaxSize, size_t(Segment::maxWidth * Segment::maxHeight)); // TroyHacks
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if (!needLedMap) size = 0; // softhack007
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USER_PRINTF("setupmatrix customMappingTable alloc %d from %d\n", size, customMappingTableSize);
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//if (customMappingTable != nullptr) delete[] customMappingTable;
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//customMappingTable = new(std::nothrow) uint16_t[size];
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// don't use new / delete
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if ((size > 0) && (customMappingTable != nullptr)) { // resize
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customMappingTable = (uint16_t*) reallocf(customMappingTable, sizeof(uint16_t) * size); // reallocf will free memory if it cannot resize
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}
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if ((size > 0) && (customMappingTable == nullptr)) { // second try
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DEBUG_PRINTLN("setUpMatrix: trying to get fresh memory block.");
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customMappingTable = (uint16_t*) calloc(size, sizeof(uint16_t));
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if (customMappingTable == nullptr) {
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USER_PRINTLN("setUpMatrix: alloc failed");
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errorFlag = ERR_LOW_MEM; // WLEDMM raise errorflag
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}
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}
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if (customMappingTable != nullptr) customMappingTableSize = size;
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}
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if ((customMappingTable != nullptr) || (!needLedMap)) { // softhack007
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customMappingSize = Segment::maxWidth * Segment::maxHeight;
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if (!needLedMap) customMappingSize = 0; // softhack007
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// fill with empty in case we don't fill the entire matrix
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for (size_t i = 0; i< customMappingTableSize; i++) { //WLEDMM use customMappingTableSize
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customMappingTable[i] = (uint16_t)-1;
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}
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// we will try to load a "gap" array (a JSON file)
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// the array has to have the same amount of values as mapping array (or larger)
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// "gap" array is used while building ledmap (mapping array)
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// and discarded afterwards as it has no meaning after the process
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// content of the file is just raw JSON array in the form of [val1,val2,val3,...]
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// there are no other "key":"value" pairs in it
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// allowed values are: -1 (missing pixel/no LED attached), 0 (inactive/unused pixel), 1 (active/used pixel)
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char fileName[32]; strcpy_P(fileName, PSTR("/2d-gaps.json")); // reduce flash footprint //WLEDMM you sure?
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bool isFile = WLED_FS.exists(fileName);
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size_t gapSize = 0;
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int8_t *gapTable = nullptr;
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if (isFile && requestJSONBufferLock(20)) {
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USER_PRINT(F("Reading LED gap from "));
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USER_PRINTLN(fileName);
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// read the array into global JSON buffer
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if (readObjectFromFile(fileName, nullptr, &doc)) {
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// the array is similar to ledmap, except it has only 3 values:
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// -1 ... missing pixel (do not increase pixel count)
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// 0 ... inactive pixel (it does count, but should be mapped out (-1))
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// 1 ... active pixel (it will count and will be mapped)
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JsonArray map = doc.as<JsonArray>();
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gapSize = map.size();
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if (!map.isNull() && (gapSize > 0) && gapSize >= customMappingSize) { // not an empty map //softhack also check gapSize>0
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gapTable = new(std::nothrow) int8_t[gapSize];
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if (gapTable) for (size_t i = 0; i < gapSize; i++) {
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gapTable[i] = constrain(map[i], -1, 1);
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}
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}
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}
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DEBUG_PRINTLN(F("Gaps loaded."));
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releaseJSONBufferLock();
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}
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if (needLedMap && customMappingTable != nullptr) { // softhack007
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uint_fast16_t x, y, pix=0; //pixel
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for (size_t pan = 0; pan < panel.size(); pan++) {
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Panel &p = panel[pan];
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uint_fast16_t h = p.vertical ? p.height : p.width;
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uint_fast16_t v = p.vertical ? p.width : p.height;
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for (size_t j = 0; j < v; j++){
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for(size_t i = 0; i < h; i++) {
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y = (p.vertical?p.rightStart:p.bottomStart) ? v-j-1 : j;
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x = (p.vertical?p.bottomStart:p.rightStart) ? h-i-1 : i;
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x = p.serpentine && j%2 ? h-x-1 : x;
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size_t index = (p.yOffset + (p.vertical?x:y)) * Segment::maxWidth + p.xOffset + (p.vertical?y:x);
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if (!gapTable || (gapTable && gapTable[index] > 0)) customMappingTable[index] = pix; // a useful pixel (otherwise -1 is retained)
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if (!gapTable || (gapTable && gapTable[index] >= 0)) pix++; // not a missing pixel
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}
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}
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}
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}
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// delete gap array as we no longer need it
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if (gapTable) {delete[] gapTable; gapTable=nullptr;} // softhack prevent dangling pointer
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#ifdef WLED_DEBUG_MAPS
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DEBUG_PRINTF("Matrix ledmap: \n");
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for (uint16_t i=0; i<customMappingSize; i++) {
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if (!(i%Segment::maxWidth)) DEBUG_PRINTLN();
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DEBUG_PRINTF("%4d,", customMappingTable[i]);
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}
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DEBUG_PRINTLN();
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USER_FLUSH(); // wait until serial buffer is written out - to avoid loss/corruption of future debug messages
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#endif
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} else { // memory allocation error
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customMappingTableSize = 0;
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USER_PRINTLN(F("Ledmap alloc error."));
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errorFlag = ERR_LOW_MEM; // WLEDMM raise errorflag
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isMatrix = false; //WLEDMM does not like this done in teh background while end users are confused whats happened...
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panels = 0;
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panel.clear();
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Segment::maxWidth = _length;
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Segment::maxHeight = 1;
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//WLEDMM: no resetSegments here, only do it in set.cpp/handleSettingsSet - as we want t0 maintain the segment settings after setup has changed
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}
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}
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#ifdef WLED_ENABLE_HUB75MATRIX
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// softhack007 hack: delete mapping table in case it only contains "identity"
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if (customMappingTable != nullptr && customMappingTableSize > 0) {
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bool isIdentity = true;
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for (size_t i = 0; (i< customMappingSize) && isIdentity; i++) { //WLEDMM use customMappingTableSize
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if (customMappingTable[i] != (uint16_t)i ) isIdentity = false;
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}
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if (isIdentity) {
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free(customMappingTable); customMappingTable = nullptr;
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USER_PRINTF("!setupmatrix: customMappingTable is not needed. Dropping %d bytes.\n", customMappingTableSize * sizeof(uint16_t));
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customMappingTableSize = 0;
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customMappingSize = 0;
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loadedLedmap = 0; //WLEDMM
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}
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}
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#endif
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#else
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isMatrix = false; // no matter what config says
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#endif
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}
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// absolute matrix version of setPixelColor(), without error checking
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// WLEDMM: WS2812FX::setPixelColorXY_fast() moved FX.h for speed (inlining)
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// absolute matrix version of setPixelColor()
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// WLEDMM: WS2812FX::setPixelColorXY() moved FX.h for speed (inlining)
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// returns RGBW values of pixel
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// WLEDMM: WS2812FX::getPixelColorXY() moved FX.h for speed (inlining)
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// WLEDMM gets the original color from the driver (without downscaling by _bri)
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// WLEDMM: WS2812FX::getPixelColorXYRestored() moved FX.h for speed (inlining)
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///////////////////////////////////////////////////////////
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// Segment:: routines
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///////////////////////////////////////////////////////////
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#ifndef WLED_DISABLE_2D
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// WLEDMM cache some values so we don't need to re-calc then for each pixel
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void Segment::startFrame(void) {
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_isSimpleSegment = (grouping == 1) && (spacing == 0); // we can handle pixels faster when no grouping or spacing is involved
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_isSuperSimpleSegment = !mirror && !mirror_y && (grouping == 1) && (spacing == 0); // fastest - we only draw one pixel per call
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#ifdef WLEDMM_FASTPATH
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//_isValid2D = isActive() && is2D();
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_isValid2D = isActive() && strip.isMatrix && length() > 1;
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_brightness = currentBri(on ? opacity : 0);
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// if (reverse_y) _isSimpleSegment = false; // for A/B testing
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_2dHeight = calc_virtualHeight();
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_2dWidth = _isValid2D ? calc_virtualWidth() : calc_virtualLength();
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_virtuallength = calc_virtualLength();
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#endif
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}
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// WLEDMM end
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// XY(x,y) - gets pixel index within current segment (often used to reference leds[] array element)
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// WLEDMM Segment::XY()is declared inline, see FX.h
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// Simplified version of Segment::setPixelColorXY - without error checking. Does not support grouping or spacing
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// * expects scaled color (final brightness) as additional input parameter, plus segment virtualWidth() and virtualHeight()
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void IRAM_ATTR __attribute__((hot)) Segment::setPixelColorXY_fast(int x, int y, uint32_t col, uint32_t scaled_col, int cols, int rows) const //WLEDMM
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{
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unsigned i = UINT_MAX;
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bool sameColor = false;
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if (ledsrgb) { // WLEDMM small optimization
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i = x + y*cols; // avoid error checking done by XY() - be optimistic about ranges of x and y
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CRGB fastled_col = CRGB(col);
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if (ledsrgb[i] == fastled_col) sameColor = true;
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else ledsrgb[i] = fastled_col;
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}
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#if 0 // this is still a dangerous optimization
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if ((i < UINT_MAX) && sameColor && (call > 0) && (!transitional) && (!freeze) && (mode != FX_MODE_2DSCROLLTEXT) && (ledsrgb[i] == CRGB(scaled_col))) return; // WLEDMM looks like nothing to do
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#endif
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// handle reverse and transpose
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if (reverse ) x = cols - x - 1;
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if (reverse_y) y = rows - y - 1;
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if (transpose) std::swap(x,y); // swap X & Y if segment transposed
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// set the requested pixel
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strip.setPixelColorXY_fast(start + x, startY + y, scaled_col);
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#ifdef WLEDMM_FASTPATH
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bool simpleSegment = _isSuperSimpleSegment;
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#else
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bool simpleSegment = !mirror && !mirror_y;
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#endif
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if (simpleSegment) return; // WLEDMM shortcut when no mirroring needed
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// handle mirroring - minimum width/height is 1 !!!
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const int_fast16_t wid_ = max(1,stop - start);
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const int_fast16_t hei_ = max(1, stopY - startY);
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if (mirror) { //set the corresponding horizontally mirrored pixel
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if (transpose) strip.setPixelColorXY_fast(start + x, startY + hei_ - y - 1, scaled_col);
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else strip.setPixelColorXY_fast(start + wid_ - x - 1, startY + y, scaled_col);
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}
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if (mirror_y) { //set the corresponding vertically mirrored pixel
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if (transpose) strip.setPixelColorXY_fast(start + wid_ - x - 1, startY + y, scaled_col);
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else strip.setPixelColorXY_fast(start + x, startY + hei_ - y - 1, scaled_col);
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}
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if (mirror_y && mirror) { //set the corresponding vertically AND horizontally mirrored pixel
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strip.setPixelColorXY_fast(start + wid_ - x - 1, startY + hei_ - y - 1, scaled_col);
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}
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}
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// normal Segment::setPixelColorXY with error checking, and support for grouping / spacing
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#ifdef WLEDMM_FASTPATH
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void IRAM_ATTR_YN Segment::setPixelColorXY_slow(int x, int y, uint32_t col) //WLEDMM: IRAM_ATTR conditionally, renamed to "_slow"
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#else
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void IRAM_ATTR_YN Segment::setPixelColorXY(int x, int y, uint32_t col) //WLEDMM: IRAM_ATTR conditionally
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#endif
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{
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if ((Segment::maxHeight==1) || !isActive()) return; // not a matrix set-up
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const int_fast16_t cols = virtualWidth(); // WLEDMM optimization
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const int_fast16_t rows = virtualHeight();
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if (x<0 || y<0 || x >= cols || y >= rows) return; // if pixel would fall out of virtual segment just exit
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unsigned i = UINT_MAX;
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bool sameColor = false;
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if (ledsrgb) { // WLEDMM small optimization
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i = XY(x,y);
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CRGB fastled_col = CRGB(col);
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if (ledsrgb[i] == fastled_col) sameColor = true;
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else ledsrgb[i] = fastled_col;
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}
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uint8_t _bri_t = currentBri(on ? opacity : 0);
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if (!_bri_t && !transitional) return;
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if (_bri_t < 255) {
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col = color_fade(col, _bri_t);
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}
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#if 0 // this is a dangerous optimization
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if ((i < UINT_MAX) && sameColor && (call > 0) && (!transitional) && (!freeze) && (mode != FX_MODE_2DSCROLLTEXT) && (ledsrgb[i] == CRGB(col))) return; // WLEDMM looks like nothing to do
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#endif
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if (reverse ) x = cols - x - 1;
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if (reverse_y) y = rows - y - 1;
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if (transpose) { uint16_t t = x; x = y; y = t; } // swap X & Y if segment transposed
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// WLEDMM shortcut when no grouping/spacing used
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#ifdef WLEDMM_FASTPATH
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bool simpleSegment = _isSuperSimpleSegment;
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#else
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bool simpleSegment = !mirror && !mirror_y && (grouping == 1) && (spacing == 0);
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#endif
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if (simpleSegment) {
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strip.setPixelColorXY(start + x, startY + y, col);
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return;
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}
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const uint_fast16_t glen_ = groupLength(); // WLEDMM optimization
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const uint_fast16_t wid_ = max(uint16_t(1), width());
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const uint_fast16_t hei_ = max(uint16_t(1), height());
|
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x *= glen_; // expand to physical pixels
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y *= glen_; // expand to physical pixels
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if (x >= wid_ || y >= hei_) return; // if pixel would fall out of segment just exit
|
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|
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const int grp_ = grouping; // WLEDMM optimization
|
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for (int j = 0; j < grp_; j++) { // groupping vertically
|
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for (int g = 0; g < grp_; g++) { // groupping horizontally
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uint_fast16_t xX = (x+g), yY = (y+j); //WLEDMM: use fast types
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if (xX >= wid_ || yY >= hei_) continue; // we have reached one dimension's end
|
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|
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strip.setPixelColorXY(start + xX, startY + yY, col);
|
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|
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if (mirror) { //set the corresponding horizontally mirrored pixel
|
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if (transpose) strip.setPixelColorXY(start + xX, startY + hei_ - yY - 1, col);
|
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else strip.setPixelColorXY(start + wid_ - xX - 1, startY + yY, col);
|
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}
|
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if (mirror_y) { //set the corresponding vertically mirrored pixel
|
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if (transpose) strip.setPixelColorXY(start + wid_ - xX - 1, startY + yY, col);
|
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else strip.setPixelColorXY(start + xX, startY + hei_ - yY - 1, col);
|
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}
|
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if (mirror_y && mirror) { //set the corresponding vertically AND horizontally mirrored pixel
|
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strip.setPixelColorXY(start + wid_ - xX - 1, startY + hei_ - yY - 1, col);
|
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}
|
||
}
|
||
}
|
||
}
|
||
|
||
// WLEDMM setPixelColorXY(float x, float y, uint32_t col, ..) is depricated. use wu_pixel(x,y,col) instead.
|
||
// anti-aliased version of setPixelColorXY()
|
||
void Segment::setPixelColorXY(float x, float y, uint32_t col, bool aa, bool fast) // WLEDMM some speedups due to fast int and faster sqrt16
|
||
{
|
||
if (Segment::maxHeight==1) return; // not a matrix set-up
|
||
if (x<0.0f || x>1.0f || y<0.0f || y>1.0f) return; // not normalized
|
||
|
||
#if 0 // deprecated
|
||
const uint_fast16_t cols = virtualWidth();
|
||
const uint_fast16_t rows = virtualHeight();
|
||
|
||
float fX = x * (cols-1);
|
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float fY = y * (rows-1);
|
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if (aa) {
|
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uint16_t xL = roundf(fX-0.49f);
|
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uint16_t xR = roundf(fX+0.49f);
|
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uint16_t yT = roundf(fY-0.49f);
|
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uint16_t yB = roundf(fY+0.49f);
|
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float dL = (fX - xL)*(fX - xL);
|
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float dR = (xR - fX)*(xR - fX);
|
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float dT = (fY - yT)*(fY - yT);
|
||
float dB = (yB - fY)*(yB - fY);
|
||
uint32_t cXLYT = getPixelColorXY(xL, yT);
|
||
uint32_t cXRYT = getPixelColorXY(xR, yT);
|
||
uint32_t cXLYB = getPixelColorXY(xL, yB);
|
||
uint32_t cXRYB = getPixelColorXY(xR, yB);
|
||
|
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if (xL!=xR && yT!=yB) {
|
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if (!fast) {
|
||
setPixelColorXY(xL, yT, color_blend(col, cXLYT, uint8_t(sqrtf(dL*dT)*255.0f))); // blend TL pixel
|
||
setPixelColorXY(xR, yT, color_blend(col, cXRYT, uint8_t(sqrtf(dR*dT)*255.0f))); // blend TR pixel
|
||
setPixelColorXY(xL, yB, color_blend(col, cXLYB, uint8_t(sqrtf(dL*dB)*255.0f))); // blend BL pixel
|
||
setPixelColorXY(xR, yB, color_blend(col, cXRYB, uint8_t(sqrtf(dR*dB)*255.0f))); // blend BR pixel
|
||
} else {
|
||
setPixelColorXY(xL, yT, color_blend(col, cXLYT, uint8_t(sqrt16(dL*dT*65025.0f)))); // blend TL pixel // WLEDMM: use faster sqrt16 for integer; perform multiplication by 255^2 before sqrt
|
||
setPixelColorXY(xR, yT, color_blend(col, cXRYT, uint8_t(sqrt16(dR*dT*65025.0f)))); // blend TR pixel // this is possible because sqrt(a) * sqrt(b) = sqrt(a * b)
|
||
setPixelColorXY(xL, yB, color_blend(col, cXLYB, uint8_t(sqrt16(dL*dB*65025.0f)))); // blend BL pixel
|
||
setPixelColorXY(xR, yB, color_blend(col, cXRYB, uint8_t(sqrt16(dR*dB*65025.0f)))); // blend BR pixel
|
||
}
|
||
} else if (xR!=xL && yT==yB) {
|
||
setPixelColorXY(xR, yT, color_blend(col, cXLYT, uint8_t(dL*255.0f))); // blend L pixel
|
||
setPixelColorXY(xR, yT, color_blend(col, cXRYT, uint8_t(dR*255.0f))); // blend R pixel
|
||
} else if (xR==xL && yT!=yB) {
|
||
setPixelColorXY(xR, yT, color_blend(col, cXLYT, uint8_t(dT*255.0f))); // blend T pixel
|
||
setPixelColorXY(xL, yB, color_blend(col, cXLYB, uint8_t(dB*255.0f))); // blend B pixel
|
||
} else {
|
||
setPixelColorXY(xL, yT, col); // exact match (x & y land on a pixel)
|
||
}
|
||
} else {
|
||
setPixelColorXY(uint16_t(roundf(fX)), uint16_t(roundf(fY)), col);
|
||
}
|
||
|
||
#else // replacement using wu_pixel
|
||
unsigned px = x * ((virtualWidth()-1) <<8);
|
||
unsigned py = y * ((virtualHeight()-1) <<8);
|
||
wu_pixel(px, py, CRGB(col));
|
||
#endif
|
||
}
|
||
|
||
// WLEDMM this function is only called by getPixelColorXY, in case we don't have the ledsrgb buffer!
|
||
uint32_t IRAM_ATTR_YN Segment::getPixelColorXY_part2(int x, int y, int cols, int rows) const {
|
||
if (reverse ) x = cols - x - 1;
|
||
if (reverse_y) y = rows - y - 1;
|
||
if (transpose) std::swap(x,y); // swap X & Y if segment transposed
|
||
const uint_fast16_t groupLength_ = groupLength(); // WLEDMM small optimization
|
||
x *= groupLength_; // expand to physical pixels
|
||
y *= groupLength_; // expand to physical pixels
|
||
return strip.getPixelColorXYRestored(start + x, startY + y);
|
||
}
|
||
|
||
uint32_t IRAM_ATTR_YN Segment::getPixelColorXY_slow(int x, int y) const { // WLEDMM fallback for non-fastpath builds
|
||
if (x<0 || y<0 || !isActive()) return 0; // not active or out-of range
|
||
if (ledsrgb) {
|
||
int i = XY(x,y);
|
||
return RGBW32(ledsrgb[i].r, ledsrgb[i].g, ledsrgb[i].b, 0);
|
||
}
|
||
if (reverse ) x = virtualWidth() - x - 1;
|
||
if (reverse_y) y = virtualHeight() - y - 1;
|
||
if (transpose) { uint16_t t = x; x = y; y = t; } // swap X & Y if segment transposed
|
||
const uint_fast16_t groupLength_ = groupLength(); // WLEDMM small optimization
|
||
x *= groupLength_; // expand to physical pixels
|
||
y *= groupLength_; // expand to physical pixels
|
||
if (x >= width() || y >= height()) return 0;
|
||
return strip.getPixelColorXYRestored(start + x, startY + y);
|
||
}
|
||
|
||
// Blends the specified color with the existing pixel color.
|
||
void Segment::blendPixelColorXY(uint16_t x, uint16_t y, uint32_t color, uint8_t blend) {
|
||
if (blend == UINT8_MAX) setPixelColorXY(x, y, color);
|
||
else setPixelColorXY(x, y, color_blend(getPixelColorXY(x,y), color, blend));
|
||
}
|
||
|
||
// Adds the specified color with the existing pixel color perserving color balance.
|
||
void IRAM_ATTR_YN Segment::addPixelColorXY(int x, int y, uint32_t color, bool fast) {
|
||
// if (!isActive()) return; // not active //WLEDMM sanity check is repeated in getPixelColorXY / setPixelColorXY
|
||
// if (x >= virtualWidth() || y >= virtualHeight() || x<0 || y<0) return; // if pixel would fall out of virtual segment just exit //WLEDMM
|
||
uint32_t oldCol = getPixelColorXY(x,y);
|
||
uint32_t col = color_add(oldCol, color, fast);
|
||
if (col != oldCol) setPixelColorXY(x, y, col);
|
||
}
|
||
|
||
void Segment::fadePixelColorXY(uint16_t x, uint16_t y, uint8_t fade) {
|
||
// if (!isActive()) return; // not active //WLEDMM sanity check is repeated in getPixelColorXY / setPixelColorXY
|
||
CRGB pix = CRGB(getPixelColorXY(x,y));
|
||
CRGB oldPix = pix;
|
||
pix = pix.nscale8_video(fade);
|
||
if (pix != oldPix) setPixelColorXY(int(x), int(y), pix);
|
||
}
|
||
|
||
// blurRow: perform a blur on a row of a rectangular matrix
|
||
void Segment::blurRow(uint32_t row, fract8 blur_amount, bool smear){
|
||
if (!isActive()) 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 = smear ? 255 : 255 - blur_amount;
|
||
uint8_t seep = blur_amount >> 1;
|
||
uint32_t carryover = BLACK;
|
||
uint32_t lastnew;
|
||
uint32_t last;
|
||
uint32_t curnew = 0;
|
||
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, !smear); // WLEDMM don't use "fast" when smear==true (better handling of bright colors)
|
||
uint32_t prev = color_add(lastnew, part, !smear);// WLEDMM
|
||
if (last != prev) // optimization: only set pixel if color has changed
|
||
setPixelColorXY(int(x - 1), int(row), prev);
|
||
}
|
||
else // first pixel
|
||
setPixelColorXY(int(x), int(row), curnew);
|
||
lastnew = curnew;
|
||
last = cur; // save original value for comparison on next iteration
|
||
carryover = part;
|
||
}
|
||
setPixelColorXY(int(cols-1), int(row), curnew); // set last pixel
|
||
}
|
||
|
||
// blurCol: perform a blur on a column of a rectangular matrix
|
||
void Segment::blurCol(uint32_t col, fract8 blur_amount, bool smear) {
|
||
if (!isActive()) 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 = smear ? 255 : 255 - blur_amount;
|
||
uint8_t seep = blur_amount >> 1;
|
||
uint32_t carryover = BLACK;
|
||
uint32_t lastnew;
|
||
uint32_t last;
|
||
uint32_t curnew = 0;
|
||
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, !smear); // WLEDMM don't use "fast" when smear==true (better handling of bright colors)
|
||
uint32_t prev = color_add(lastnew, part, !smear); // WLEDMM
|
||
if (last != prev) // optimization: only set pixel if color has changed
|
||
setPixelColorXY(int(col), int(y - 1), prev);
|
||
}
|
||
else // first pixel
|
||
setPixelColorXY(int(col), int(y), curnew);
|
||
lastnew = curnew;
|
||
last = cur; //save original value for comparison on next iteration
|
||
carryover = part;
|
||
}
|
||
setPixelColorXY(int(col), int(rows - 1), curnew);
|
||
}
|
||
|
||
// 1D Box blur (with added weight - blur_amount: [0=no blur, 255=max blur])
|
||
void Segment::box_blur(uint16_t i, bool vertical, fract8 blur_amount) {
|
||
if (!isActive() || blur_amount == 0) return; // not active
|
||
const int cols = virtualWidth();
|
||
const int rows = virtualHeight();
|
||
const int dim1 = vertical ? rows : cols;
|
||
const int dim2 = vertical ? cols : rows;
|
||
if (i >= dim2) return;
|
||
const float seep = blur_amount/255.f;
|
||
const float keep = 3.f - 2.f*seep;
|
||
// 1D box blur
|
||
uint32_t out[dim1], in[dim1];
|
||
for (int j = 0; j < dim1; j++) {
|
||
int x = vertical ? i : j;
|
||
int y = vertical ? j : i;
|
||
in[j] = getPixelColorXY(x, y);
|
||
}
|
||
for (int j = 0; j < dim1; j++) {
|
||
uint32_t curr = in[j];
|
||
uint32_t prev = j > 0 ? in[j-1] : BLACK;
|
||
uint32_t next = j < dim1-1 ? in[j+1] : BLACK;
|
||
uint8_t r, g, b, w;
|
||
r = (R(curr)*keep + (R(prev) + R(next))*seep) / 3;
|
||
g = (G(curr)*keep + (G(prev) + G(next))*seep) / 3;
|
||
b = (B(curr)*keep + (B(prev) + B(next))*seep) / 3;
|
||
w = (W(curr)*keep + (W(prev) + W(next))*seep) / 3;
|
||
out[j] = RGBW32(r,g,b,w);
|
||
}
|
||
for (int j = 0; j < dim1; j++) {
|
||
int x = vertical ? i : j;
|
||
int y = vertical ? j : i;
|
||
if (in[j] != out[j]) setPixelColorXY(x, y, out[j]);
|
||
}
|
||
}
|
||
|
||
void Segment::moveX(int8_t delta, bool wrap) {
|
||
if (!isActive()) return; // not active
|
||
const uint16_t cols = virtualWidth();
|
||
const uint16_t rows = virtualHeight();
|
||
if (!delta || abs(delta) >= cols) return;
|
||
uint32_t newPxCol[cols];
|
||
for (int y = 0; y < rows; y++) {
|
||
if (delta > 0) {
|
||
for (int x = 0; x < cols-delta; x++) newPxCol[x] = getPixelColorXY((x + delta), y);
|
||
for (int x = cols-delta; x < cols; x++) newPxCol[x] = getPixelColorXY(wrap ? (x + delta) - cols : x, y);
|
||
} else {
|
||
for (int x = cols-1; x >= -delta; x--) newPxCol[x] = getPixelColorXY((x + delta), y);
|
||
for (int x = -delta-1; x >= 0; x--) newPxCol[x] = getPixelColorXY(wrap ? (x + delta) + cols : x, y);
|
||
}
|
||
for (int x = 0; x < cols; x++) setPixelColorXY(x, y, newPxCol[x]);
|
||
}
|
||
}
|
||
|
||
void Segment::moveY(int8_t delta, bool wrap) {
|
||
if (!isActive()) return; // not active
|
||
const uint16_t cols = virtualWidth();
|
||
const uint16_t rows = virtualHeight();
|
||
if (!delta || abs(delta) >= rows) return;
|
||
uint32_t newPxCol[rows];
|
||
for (int x = 0; x < cols; x++) {
|
||
if (delta > 0) {
|
||
for (int y = 0; y < rows-delta; y++) newPxCol[y] = getPixelColorXY(x, (y + delta));
|
||
for (int y = rows-delta; y < rows; y++) newPxCol[y] = getPixelColorXY(x, wrap ? (y + delta) - rows : y);
|
||
} else {
|
||
for (int y = rows-1; y >= -delta; y--) newPxCol[y] = getPixelColorXY(x, (y + delta));
|
||
for (int y = -delta-1; y >= 0; y--) newPxCol[y] = getPixelColorXY(x, wrap ? (y + delta) + rows : y);
|
||
}
|
||
for (int y = 0; y < rows; y++) setPixelColorXY(x, y, newPxCol[y]);
|
||
}
|
||
}
|
||
|
||
// move() - move all pixels in desired direction delta number of pixels
|
||
// @param dir direction: 0=left, 1=left-up, 2=up, 3=right-up, 4=right, 5=right-down, 6=down, 7=left-down
|
||
// @param delta number of pixels to move
|
||
// @param wrap around
|
||
void Segment::move(uint8_t dir, uint8_t delta, bool wrap) {
|
||
if (delta==0) return;
|
||
switch (dir) {
|
||
case 0: moveX( delta, wrap); break;
|
||
case 1: moveX( delta, wrap); moveY( delta, wrap); break;
|
||
case 2: moveY( delta, wrap); break;
|
||
case 3: moveX(-delta, wrap); moveY( delta, wrap); break;
|
||
case 4: moveX(-delta, wrap); break;
|
||
case 5: moveX(-delta, wrap); moveY(-delta, wrap); break;
|
||
case 6: moveY(-delta, wrap); break;
|
||
case 7: moveX( delta, wrap); moveY(-delta, wrap); break;
|
||
}
|
||
}
|
||
|
||
void Segment::drawCircle(uint16_t cx, uint16_t cy, uint8_t radius, uint32_t col, bool soft) {
|
||
if (!isActive() || radius == 0) return; // not active
|
||
if (soft) {
|
||
// Xiaolin Wu’s algorithm
|
||
int rsq = radius*radius;
|
||
int x = 0;
|
||
int y = radius;
|
||
unsigned oldFade = 0;
|
||
while (x < y) {
|
||
float yf = sqrtf(float(rsq - x*x)); // needs to be floating point
|
||
unsigned fade = float(0xFFFF) * (ceilf(yf) - yf); // how much color to keep
|
||
if (oldFade > fade) y--;
|
||
oldFade = fade;
|
||
setPixelColorXY(cx+x, cy+y, color_blend(col, getPixelColorXY(cx+x, cy+y), fade, true));
|
||
setPixelColorXY(cx-x, cy+y, color_blend(col, getPixelColorXY(cx-x, cy+y), fade, true));
|
||
setPixelColorXY(cx+x, cy-y, color_blend(col, getPixelColorXY(cx+x, cy-y), fade, true));
|
||
setPixelColorXY(cx-x, cy-y, color_blend(col, getPixelColorXY(cx-x, cy-y), fade, true));
|
||
setPixelColorXY(cx+y, cy+x, color_blend(col, getPixelColorXY(cx+y, cy+x), fade, true));
|
||
setPixelColorXY(cx-y, cy+x, color_blend(col, getPixelColorXY(cx-y, cy+x), fade, true));
|
||
setPixelColorXY(cx+y, cy-x, color_blend(col, getPixelColorXY(cx+y, cy-x), fade, true));
|
||
setPixelColorXY(cx-y, cy-x, color_blend(col, getPixelColorXY(cx-y, cy-x), fade, true));
|
||
setPixelColorXY(cx+x, cy+y-1, color_blend(getPixelColorXY(cx+x, cy+y-1), col, fade, true));
|
||
setPixelColorXY(cx-x, cy+y-1, color_blend(getPixelColorXY(cx-x, cy+y-1), col, fade, true));
|
||
setPixelColorXY(cx+x, cy-y+1, color_blend(getPixelColorXY(cx+x, cy-y+1), col, fade, true));
|
||
setPixelColorXY(cx-x, cy-y+1, color_blend(getPixelColorXY(cx-x, cy-y+1), col, fade, true));
|
||
setPixelColorXY(cx+y-1, cy+x, color_blend(getPixelColorXY(cx+y-1, cy+x), col, fade, true));
|
||
setPixelColorXY(cx-y+1, cy+x, color_blend(getPixelColorXY(cx-y+1, cy+x), col, fade, true));
|
||
setPixelColorXY(cx+y-1, cy-x, color_blend(getPixelColorXY(cx+y-1, cy-x), col, fade, true));
|
||
setPixelColorXY(cx-y+1, cy-x, color_blend(getPixelColorXY(cx-y+1, cy-x), col, fade, true));
|
||
x++;
|
||
}
|
||
} else {
|
||
// Bresenham’s Algorithm
|
||
int d = 3 - (2*radius);
|
||
int y = radius, x = 0;
|
||
while (y >= x) {
|
||
setPixelColorXY(cx+x, cy+y, col);
|
||
setPixelColorXY(cx-x, cy+y, col);
|
||
setPixelColorXY(cx+x, cy-y, col);
|
||
setPixelColorXY(cx-x, cy-y, col);
|
||
setPixelColorXY(cx+y, cy+x, col);
|
||
setPixelColorXY(cx-y, cy+x, col);
|
||
setPixelColorXY(cx+y, cy-x, col);
|
||
setPixelColorXY(cx-y, cy-x, col);
|
||
x++;
|
||
if (d > 0) {
|
||
y--;
|
||
d += 4 * (x - y) + 10;
|
||
} else {
|
||
d += 4 * x + 6;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// by stepko, taken from https://editor.soulmatelights.com/gallery/573-blobs
|
||
void Segment::fillCircle(unsigned cx, unsigned cy, int radius, uint32_t col, bool soft) {
|
||
if (!isActive() || radius <= 0) return; // not active
|
||
// draw soft bounding circle
|
||
if (soft) drawCircle(cx, cy, radius, col, soft);
|
||
const int cols = virtualWidth();
|
||
const int rows = virtualHeight();
|
||
|
||
const int_fast32_t maxRadius2 = radius * radius - (((radius > 3) && !soft) ? 1:0); // WLEDMM pre-compute r^2; '-1' removes spikes from bigger blobs
|
||
// WLEDMM pre-compute boundaries
|
||
const int startx = max(-radius, -int(cx));
|
||
const int endx = min(radius, cols-1-int(cx));
|
||
const int starty = max(-radius, -int(cy));
|
||
const int endy = min(radius, rows-1-int(cy));
|
||
|
||
// fill it - WLEDMM optimized
|
||
for (int y = starty; y <= endy; y++) {
|
||
for (int x = startx; x <= endx; x++) {
|
||
if ((x * x + y * y) <= maxRadius2) {
|
||
setPixelColorXY(cx + x, cy + y, col);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void Segment::nscale8(uint8_t scale) { //WLEDMM: use fast types
|
||
if (!isActive()) return; // not active
|
||
const uint_fast16_t cols = virtualWidth();
|
||
const uint_fast16_t rows = virtualHeight();
|
||
for(uint_fast16_t y = 0; y < rows; y++) for (uint_fast16_t x = 0; x < cols; x++) {
|
||
setPixelColorXY((int)x, (int)y, CRGB(getPixelColorXY(x, y)).nscale8(scale));
|
||
}
|
||
}
|
||
|
||
//line function
|
||
void Segment::drawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint32_t c, bool soft, uint8_t depth) {
|
||
if (!isActive()) return; // not active
|
||
// if (Segment::maxHeight==1) return; // not a matrix set-up
|
||
const int cols = virtualWidth();
|
||
const int rows = virtualHeight();
|
||
if (x0 >= cols || x1 >= cols || y0 >= rows || y1 >= rows) return;
|
||
|
||
// WLEDMM shortcut when no grouping/spacing used
|
||
bool simpleSegment = (grouping == 1) && (spacing == 0);
|
||
uint32_t scaled_col = c;
|
||
if (simpleSegment) {
|
||
// segment brightness must be pre-calculated for the "fast" setPixelColorXY variant!
|
||
#ifdef WLEDMM_FASTPATH
|
||
uint8_t _bri_t = _brightness;
|
||
#else
|
||
uint8_t _bri_t = currentBri(on ? opacity : 0);
|
||
#endif
|
||
if (!_bri_t && !transitional) return;
|
||
if (_bri_t < 255) scaled_col = color_fade(c, _bri_t);
|
||
}
|
||
|
||
// WLEDMM shorten line according to depth
|
||
if (depth < UINT8_MAX) {
|
||
if (depth == 0) return; // nothing to paint
|
||
if (depth<2) {x1 = x0; y1=y0; } // single pixel
|
||
else { // shorten line
|
||
x0 *=2; y0 *=2; // we do everything "*2" for better rounding
|
||
int dx1 = ((int(2*x1) - int(x0)) * int(depth)) / 255; // X distance, scaled down by depth
|
||
int dy1 = ((int(2*y1) - int(y0)) * int(depth)) / 255; // Y distance, scaled down by depth
|
||
x1 = (x0 + dx1 +1) / 2;
|
||
y1 = (y0 + dy1 +1) / 2;
|
||
x0 /=2; y0 /=2;
|
||
}
|
||
}
|
||
|
||
const int dx = abs(x1-x0), sx = x0<x1 ? 1 : -1; // x distance & step
|
||
const int dy = abs(y1-y0), sy = y0<y1 ? 1 : -1; // y distance & step
|
||
|
||
// single pixel (line length == 0)
|
||
if (dx+dy == 0) {
|
||
if (simpleSegment) setPixelColorXY_fast(x0, y0, c, scaled_col, cols, rows);
|
||
else setPixelColorXY_slow(x0, y0, c);
|
||
return;
|
||
}
|
||
|
||
if (soft) {
|
||
// Xiaolin Wu’s algorithm
|
||
const bool steep = dy > dx;
|
||
if (steep) {
|
||
// we need to go along longest dimension
|
||
std::swap(x0,y0);
|
||
std::swap(x1,y1);
|
||
}
|
||
if (x0 > x1) {
|
||
// we need to go in increasing fashion
|
||
std::swap(x0,x1);
|
||
std::swap(y0,y1);
|
||
}
|
||
float gradient = x1-x0 == 0 ? 1.0f : float(y1-y0) / float(x1-x0);
|
||
float intersectY = y0;
|
||
for (int x = x0; x <= x1; x++) {
|
||
unsigned keep = float(0xFFFF) * (intersectY-int(intersectY)); // how much color to keep
|
||
unsigned seep = 0xFFFF - keep; // how much background to keep
|
||
int y = int(intersectY);
|
||
if (steep) std::swap(x,y); // temporarily swap if steep
|
||
// pixel coverage is determined by fractional part of y co-ordinate
|
||
|
||
// WLEDMM added out-of-bounds check: "unsigned(x) < cols" catches negative numbers _and_ too large values
|
||
if ((unsigned(x) < unsigned(cols)) && (unsigned(y) < unsigned(rows))) setPixelColorXY(x, y, color_blend(c, getPixelColorXY(x, y), keep, true));
|
||
int xx = x+int(steep);
|
||
int yy = y+int(!steep);
|
||
if ((unsigned(xx) < unsigned(cols)) && (unsigned(yy) < unsigned(rows))) setPixelColorXY(xx, yy, color_blend(c, getPixelColorXY(xx, yy), seep, true));
|
||
|
||
intersectY += gradient;
|
||
if (steep) std::swap(x,y); // restore if steep
|
||
}
|
||
} else {
|
||
// Bresenham's algorithm
|
||
int err = (dx>dy ? dx : -dy)/2; // error direction
|
||
for (;;) {
|
||
// if (x0 >= cols || y0 >= rows) break; // WLEDMM we hit the edge - should never happen
|
||
if (simpleSegment) setPixelColorXY_fast(x0, y0, c, scaled_col, cols, rows);
|
||
else setPixelColorXY_slow(x0, y0, c);
|
||
if (x0==x1 && y0==y1) break;
|
||
int e2 = err;
|
||
if (e2 >-dx) { err -= dy; x0 += sx; }
|
||
if (e2 < dy) { err += dx; y0 += sy; }
|
||
}
|
||
}
|
||
}
|
||
|
||
void Segment::drawArc(unsigned x0, unsigned y0, int radius, uint32_t color, uint32_t fillColor) {
|
||
if (!isActive() || (radius <=0)) return; // not active
|
||
float minradius = float(radius) - .5f;
|
||
float maxradius = float(radius) + .5f;
|
||
// WLEDMM pre-calculate values to speed up the loop
|
||
const int minradius2 = roundf(minradius * minradius);
|
||
const int maxradius2 = roundf(maxradius * maxradius);
|
||
|
||
// WLEDMM only loop over surrounding square (50% faster)
|
||
const int width = virtualWidth();
|
||
const int height = virtualHeight();
|
||
const int startx = max(0, int(x0)-radius-1);
|
||
const int endx = min(width, int(x0)+radius+1);
|
||
const int starty = max(0, int(y0)-radius-1);
|
||
const int endy = min(height, int(y0)+radius+1);
|
||
|
||
for (int x=startx; x<endx; x++) {
|
||
int newX2 = x - int(x0); newX2 *= newX2; // (distance from centerX) ^2
|
||
for (int y=starty; y<endy; y++) {
|
||
int newY2 = y - int(y0); newY2 *= newY2; // (distance from centerY) ^2
|
||
int distance2 = newX2 + newY2;
|
||
if ((distance2 >= minradius2) && (distance2 <= maxradius2)) {
|
||
setPixelColorXY(x, y, color);
|
||
} else {
|
||
if (fillColor != 0)
|
||
if (distance2 < minradius2)
|
||
setPixelColorXY(x, y, fillColor);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
//WLEDMM for artifx
|
||
bool Segment::jsonToPixels(char * name, uint8_t fileNr) {
|
||
if (!isActive()) return true; // segment not active, nothing to do
|
||
char fileName[WLED_MAX_SEGNAME_LEN+12] = { '\0' }; // we need up to 40 bytes (seg.name is 32 bytes max)
|
||
//WLEDMM: als support segment name ledmaps
|
||
bool isFile = false;
|
||
// strcpy_P(fileName, PSTR("/mario"));
|
||
snprintf(fileName, sizeof(fileName)-1, "/%s%d.json", name, fileNr); //WLEDMM: trick to not include 0 in ledmap.json
|
||
// strcat(fileName, ".json");
|
||
isFile = WLED_FS.exists(fileName);
|
||
|
||
if (!isFile) {
|
||
return false;
|
||
}
|
||
|
||
if (!requestJSONBufferLock(23)) return false;
|
||
|
||
if (!readObjectFromFile(fileName, nullptr, &doc)) {
|
||
releaseJSONBufferLock();
|
||
return false; //if file does not exist just exit
|
||
}
|
||
|
||
JsonArray map = doc[F("seg")][F("i")];
|
||
|
||
if (!map.isNull() && map.size()) { // not an empty map
|
||
|
||
for (uint16_t i=0; i<map.size(); i+=3) {
|
||
CRGB color = CRGB(map[i+2][0], map[i+2][1], map[i+2][2]);
|
||
for (uint16_t j=map[i]; j<=map[i+1]; j++) {
|
||
setPixelColor(j, color);
|
||
}
|
||
}
|
||
}
|
||
|
||
releaseJSONBufferLock();
|
||
return true;
|
||
}
|
||
|
||
#include "src/font/console_font_4x6.h"
|
||
#include "src/font/console_font_5x8.h"
|
||
#include "src/font/console_font_5x12.h"
|
||
#include "src/font/console_font_6x8.h"
|
||
#include "src/font/console_font_7x9.h"
|
||
#if defined(WLED_ENABLE_FULL_FONTS)
|
||
#include "src/font/codepages.h"
|
||
#endif
|
||
|
||
// unicode-aware wrapper for drawCharacter(), to be called from mode_2Dscrollingtext()
|
||
void Segment::drawText(const unsigned char* text, size_t maxLen, int maxLetters, int16_t x, int16_t y, uint8_t w, uint8_t h, uint32_t color, uint32_t col2, bool drawShadow) {
|
||
if (!isActive()) return; // not active
|
||
// ToDO: find font _first/_last, based on width / height
|
||
#if defined(WLED_ENABLE_FULL_FONTS)
|
||
uint16_t decoded_text[WLED_MAX_SEGNAME_LEN+1] = { 0 }; // UTF-16 converted text. Cannot be longer than WLED_MAX_SEGNAME_LEN
|
||
size_t utf16_index = 0;
|
||
for(const unsigned char* now = text; now != nullptr && now[0] != '\0'; now = nextUnicode(now, maxLen)) {
|
||
if (utf16_index < WLED_MAX_SEGNAME_LEN) {
|
||
decoded_text[utf16_index] = unicodeToWchar16(now, maxLen); // UTF-8 decode into decoded_text
|
||
decoded_text[utf16_index] = wchar16ToCodepage437(decoded_text[utf16_index]); // decoded_text to CP437 (in-place conversion)
|
||
// toDo: ensure that decoded_text[i] is between console_font_YxZ_first and console_font_YxZ_last
|
||
// if (chr < 32 || chr > 126) --> clamp chr
|
||
// chr -= 32; // align with font table entries
|
||
utf16_index++;
|
||
}
|
||
}
|
||
decoded_text[utf16_index] = 0; // NUL terminate string
|
||
size_t textLength = min(utf16_index, size_t(maxLetters));
|
||
#else
|
||
const unsigned char* decoded_text = text; // fallback
|
||
size_t textLength = min(strnlen((char*)text, maxLen), size_t(maxLetters));
|
||
#endif
|
||
|
||
// pass characters to drawCharacter()
|
||
for (int i = 0; i < textLength; i++) {
|
||
SEGMENT.drawCharacter((unsigned char) decoded_text[i], x + w*i, y, w, h, color, col2, drawShadow);
|
||
}
|
||
}
|
||
|
||
// draws a raster font character on canvas
|
||
// only supports: 4x6=24, 5x8=40, 5x12=60, 6x8=48 and 7x9=63 fonts ATM
|
||
void Segment::drawCharacter(unsigned char chr, int16_t x, int16_t y, uint8_t w, uint8_t h, uint32_t color, uint32_t col2, bool drawShadow) {
|
||
if (!isActive()) return; // not active
|
||
#if !defined(WLED_ENABLE_FULL_FONTS)
|
||
constexpr int space = 0; // font index of " " (space)
|
||
if (chr < 32 || chr > 126) return; // legacy mode - only ASCII 32-126 supported
|
||
chr -= 32; // align with font table entries
|
||
#else
|
||
constexpr int space = 31; // font index of " "
|
||
// ToDO: clamp to actual font limits
|
||
if (chr < 1 || chr > 254) return; // sanity check // ToDO needs improvements
|
||
chr = chr -1; // all fonts start at 1 // ToDO needs improvements
|
||
#endif
|
||
|
||
const uint16_t cols = virtualWidth();
|
||
const uint16_t rows = virtualHeight();
|
||
const int font = w*h;
|
||
|
||
CRGB col = CRGB(color);
|
||
CRGBPalette16 grad = CRGBPalette16(col, (col2 != BLACK) ? CRGB(col2) : col);
|
||
uint32_t bgCol = SEGCOLOR(1);
|
||
|
||
//if (w<5 || w>6 || h!=8) return;
|
||
if (drawShadow) w++; // one more column for shadow on right side
|
||
for (int i = 0; i<h; i++) { // character height
|
||
int y0 = y + i;
|
||
if (y0 < 0) continue; // drawing off-screen
|
||
if (y0 >= rows) break; // drawing off-screen
|
||
uint8_t bits = 0;
|
||
uint8_t bits_up = 0; // WLEDMM this is the previous line: font[(chr * h) + i -1]
|
||
|
||
// ToDO: move font selection logic into separate function
|
||
|
||
switch (font) { // font = w * h
|
||
case 24: bits = pgm_read_byte_near(&console_font_4x6[(chr * h) + i]);
|
||
if ((i>space) && drawShadow) bits_up = pgm_read_byte_near(&console_font_4x6[(chr * h) + i -1]);
|
||
break; // 4x6 font
|
||
case 40: bits = pgm_read_byte_near(&console_font_5x8[(chr * h) + i]);
|
||
if ((i>space) && drawShadow) bits_up = pgm_read_byte_near(&console_font_5x8[(chr * h) + i -1]);
|
||
break; // 5x8 font
|
||
case 48: bits = pgm_read_byte_near(&console_font_6x8[(chr * h) + i]);
|
||
if ((i>space) && drawShadow) bits_up = pgm_read_byte_near(&console_font_6x8[(chr * h) + i -1]);
|
||
break; // 6x8 font
|
||
case 63: bits = pgm_read_byte_near(&console_font_7x9[(chr * h) + i]);
|
||
if ((i>space) && drawShadow) bits_up = pgm_read_byte_near(&console_font_7x9[(chr * h) + i -1]);
|
||
break; // 7x9 font
|
||
case 60: bits = pgm_read_byte_near(&console_font_5x12[(chr * h) + i]);
|
||
if ((i>space) && drawShadow) bits_up = pgm_read_byte_near(&console_font_5x12[(chr * h) + i -1]);
|
||
break; // 5x12 font
|
||
default: return;
|
||
}
|
||
if (col2 != BLACK) col = ColorFromPalette(grad, (i+1)*255/h, 255, NOBLEND);
|
||
uint32_t fgCol = uint32_t(col) & 0x00FFFFFF; // WLEDMM cache color value
|
||
|
||
for (int j = 0; j<w; j++) { // character width
|
||
int x0 = x + (w-1) - j;
|
||
if (unsigned(x0) < cols) { // WLEDMM same as "x0 > 0 && x0 < cols"
|
||
if ((bits>>(j+(8-w))) & 0x01) { // bit set & drawing on-screen
|
||
setPixelColorXY(x0, y0, fgCol);
|
||
} else {
|
||
if (drawShadow) {
|
||
// WLEDMM
|
||
if ((j < (w-1)) && (bits>>(j+(8-w) +1)) & 0x01) setPixelColorXY(x0, y0, bgCol); // blank when pixel to the right is set
|
||
else if ((j > 0) && (bits>>(j+(8-w) -1)) & 0x01) setPixelColorXY(x0, y0, bgCol);// blank when pixel to the left is set
|
||
else if ((bits_up>>(j+(8-w))) & 0x01) setPixelColorXY(x0, y0, bgCol); // blank when pixel above is set
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
#define WU_WEIGHT(a,b) ((uint8_t) (((a)*(b)+(a)+(b))>>8))
|
||
void Segment::wu_pixel(uint32_t x, uint32_t y, CRGB c) { //awesome wu_pixel procedure by reddit u/sutaburosu
|
||
if (!isActive()) return; // not active
|
||
// extract the fractional parts and derive their inverses
|
||
uint8_t xx = x & 0xff, yy = y & 0xff, ix = 255 - xx, iy = 255 - yy;
|
||
// calculate the intensities for each affected pixel
|
||
uint8_t wu[4] = {WU_WEIGHT(ix, iy), WU_WEIGHT(xx, iy),
|
||
WU_WEIGHT(ix, yy), WU_WEIGHT(xx, yy)};
|
||
// multiply the intensities by the colour, and saturating-add them to the pixels
|
||
for (int i = 0; i < 4; i++) {
|
||
int wu_x = (x >> 8) + (i & 1); // WLEDMM precalculate x
|
||
int wu_y = (y >> 8) + ((i >> 1) & 1); // WLEDMM precalculate y
|
||
CRGB led = getPixelColorXY(wu_x, wu_y);
|
||
CRGB oldLed = led;
|
||
led.r = qadd8(led.r, c.r * wu[i] >> 8);
|
||
led.g = qadd8(led.g, c.g * wu[i] >> 8);
|
||
led.b = qadd8(led.b, c.b * wu[i] >> 8);
|
||
if (led != oldLed) setPixelColorXY(wu_x, wu_y, led); // WLEDMM don't repaint same color
|
||
}
|
||
}
|
||
#undef WU_WEIGHT
|
||
|
||
#endif // WLED_DISABLE_2D
|