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How to use ResolutionLayerComponentPositionIterator method in wpt

Best JavaScript code snippet using wpt

jpx.js

Source:jpx.js

...630      }631      throw new Error('JPX Error: Out of packets');632    };633  }634  function ResolutionLayerComponentPositionIterator(context) {635    var siz = context.SIZ;636    var tileIndex = context.currentTile.index;637    var tile = context.tiles[tileIndex];638    var layersCount = tile.codingStyleDefaultParameters.layersCount;639    var componentsCount = siz.Csiz;640    var maxDecompositionLevelsCount = 0;641    for (var q = 0; q < componentsCount; q++) {642      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount,643        tile.components[q].codingStyleParameters.decompositionLevelsCount);644    }645    var r = 0, l = 0, i = 0, k = 0;646    this.nextPacket = function JpxImage_nextPacket() {647      // Section B.12.1.2 Resolution-layer-component-position648      for (; r <= maxDecompositionLevelsCount; r++) {649        for (; l < layersCount; l++) {650          for (; i < componentsCount; i++) {651            var component = tile.components[i];652            if (r > component.codingStyleParameters.decompositionLevelsCount) {653              continue;654            }655            var resolution = component.resolutions[r];656            var numprecincts = resolution.precinctParameters.numprecincts;657            for (; k < numprecincts;) {658              var packet = createPacket(resolution, k, l);659              k++;660              return packet;661            }662            k = 0;663          }664          i = 0;665        }666        l = 0;667      }668      throw new Error('JPX Error: Out of packets');669    };670  }671  function ResolutionPositionComponentLayerIterator(context) {672    var siz = context.SIZ;673    var tileIndex = context.currentTile.index;674    var tile = context.tiles[tileIndex];675    var layersCount = tile.codingStyleDefaultParameters.layersCount;676    var componentsCount = siz.Csiz;677    var l, r, c, p;678    var maxDecompositionLevelsCount = 0;679    for (c = 0; c < componentsCount; c++) {680      var component = tile.components[c];681      maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount,682        component.codingStyleParameters.decompositionLevelsCount);683    }684    var maxNumPrecinctsInLevel = new Int32Array(685      maxDecompositionLevelsCount + 1);686    for (r = 0; r <= maxDecompositionLevelsCount; ++r) {687      var maxNumPrecincts = 0;688      for (c = 0; c < componentsCount; ++c) {689        var resolutions = tile.components[c].resolutions;690        if (r < resolutions.length) {691          maxNumPrecincts = Math.max(maxNumPrecincts,692            resolutions[r].precinctParameters.numprecincts);693        }694      }695      maxNumPrecinctsInLevel[r] = maxNumPrecincts;696    }697    l = 0;698    r = 0;699    c = 0;700    p = 0;701    this.nextPacket = function JpxImage_nextPacket() {702      // Section B.12.1.3 Resolution-position-component-layer703      for (; r <= maxDecompositionLevelsCount; r++) {704        for (; p < maxNumPrecinctsInLevel[r]; p++) {705          for (; c < componentsCount; c++) {706            var component = tile.components[c];707            if (r > component.codingStyleParameters.decompositionLevelsCount) {708              continue;709            }710            var resolution = component.resolutions[r];711            var numprecincts = resolution.precinctParameters.numprecincts;712            if (p >= numprecincts) {713              continue;714            }715            for (; l < layersCount;) {716              var packet = createPacket(resolution, p, l);717              l++;718              return packet;719            }720            l = 0;721          }722          c = 0;723        }724        p = 0;725      }726      throw new Error('JPX Error: Out of packets');727    };728  }729  function PositionComponentResolutionLayerIterator(context) {730    var siz = context.SIZ;731    var tileIndex = context.currentTile.index;732    var tile = context.tiles[tileIndex];733    var layersCount = tile.codingStyleDefaultParameters.layersCount;734    var componentsCount = siz.Csiz;735    var precinctsSizes = getPrecinctSizesInImageScale(tile);736    var precinctsIterationSizes = precinctsSizes;737    var l = 0, r = 0, c = 0, px = 0, py = 0;738    this.nextPacket = function JpxImage_nextPacket() {739      // Section B.12.1.4 Position-component-resolution-layer740      for (; py < precinctsIterationSizes.maxNumHigh; py++) {741        for (; px < precinctsIterationSizes.maxNumWide; px++) {742          for (; c < componentsCount; c++) {743            var component = tile.components[c];744            var decompositionLevelsCount =745              component.codingStyleParameters.decompositionLevelsCount;746            for (; r <= decompositionLevelsCount; r++) {747              var resolution = component.resolutions[r];748              var sizeInImageScale =749                precinctsSizes.components[c].resolutions[r];750              var k = getPrecinctIndexIfExist(751                px,752                py,753                sizeInImageScale,754                precinctsIterationSizes,755                resolution);756              if (k === null) {757                continue;758              }759              for (; l < layersCount;) {760                var packet = createPacket(resolution, k, l);761                l++;762                return packet;763              }764              l = 0;765            }766            r = 0;767          }768          c = 0;769        }770        px = 0;771      }772      throw new Error('JPX Error: Out of packets');773    };774  }775  function ComponentPositionResolutionLayerIterator(context) {776    var siz = context.SIZ;777    var tileIndex = context.currentTile.index;778    var tile = context.tiles[tileIndex];779    var layersCount = tile.codingStyleDefaultParameters.layersCount;780    var componentsCount = siz.Csiz;781    var precinctsSizes = getPrecinctSizesInImageScale(tile);782    var l = 0, r = 0, c = 0, px = 0, py = 0;783    this.nextPacket = function JpxImage_nextPacket() {784      // Section B.12.1.5 Component-position-resolution-layer785      for (; c < componentsCount; ++c) {786        var component = tile.components[c];787        var precinctsIterationSizes = precinctsSizes.components[c];788        var decompositionLevelsCount =789          component.codingStyleParameters.decompositionLevelsCount;790        for (; py < precinctsIterationSizes.maxNumHigh; py++) {791          for (; px < precinctsIterationSizes.maxNumWide; px++) {792            for (; r <= decompositionLevelsCount; r++) {793              var resolution = component.resolutions[r];794              var sizeInImageScale = precinctsIterationSizes.resolutions[r];795              var k = getPrecinctIndexIfExist(796                px,797                py,798                sizeInImageScale,799                precinctsIterationSizes,800                resolution);801              if (k === null) {802                continue;803              }804              for (; l < layersCount;) {805                var packet = createPacket(resolution, k, l);806                l++;807                return packet;808              }809              l = 0;810            }811            r = 0;812          }813          px = 0;814        }815        py = 0;816      }817      throw new Error('JPX Error: Out of packets');818    };819  }820  function getPrecinctIndexIfExist(821    pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {822    var posX = pxIndex * precinctIterationSizes.minWidth;823    var posY = pyIndex * precinctIterationSizes.minHeight;824    if (posX % sizeInImageScale.width !== 0 ||825        posY % sizeInImageScale.height !== 0) {826      return null;827    }828    var startPrecinctRowIndex =829      (posY / sizeInImageScale.width) *830      resolution.precinctParameters.numprecinctswide;831    return (posX / sizeInImageScale.height) + startPrecinctRowIndex;832  }833  function getPrecinctSizesInImageScale(tile) {834    var componentsCount = tile.components.length;835    var minWidth = Number.MAX_VALUE;836    var minHeight = Number.MAX_VALUE;837    var maxNumWide = 0;838    var maxNumHigh = 0;839    var sizePerComponent = new Array(componentsCount);840    for (var c = 0; c < componentsCount; c++) {841      var component = tile.components[c];842      var decompositionLevelsCount =843        component.codingStyleParameters.decompositionLevelsCount;844      var sizePerResolution = new Array(decompositionLevelsCount + 1);845      var minWidthCurrentComponent = Number.MAX_VALUE;846      var minHeightCurrentComponent = Number.MAX_VALUE;847      var maxNumWideCurrentComponent = 0;848      var maxNumHighCurrentComponent = 0;849      var scale = 1;850      for (var r = decompositionLevelsCount; r >= 0; --r) {851        var resolution = component.resolutions[r];852        var widthCurrentResolution =853          scale * resolution.precinctParameters.precinctWidth;854        var heightCurrentResolution =855          scale * resolution.precinctParameters.precinctHeight;856        minWidthCurrentComponent = Math.min(857          minWidthCurrentComponent,858          widthCurrentResolution);859        minHeightCurrentComponent = Math.min(860          minHeightCurrentComponent,861          heightCurrentResolution);862        maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent,863          resolution.precinctParameters.numprecinctswide);864        maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent,865          resolution.precinctParameters.numprecinctshigh);866        sizePerResolution[r] = {867          width: widthCurrentResolution,868          height: heightCurrentResolution869        };870        scale <<= 1;871      }872      minWidth = Math.min(minWidth, minWidthCurrentComponent);873      minHeight = Math.min(minHeight, minHeightCurrentComponent);874      maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);875      maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);876      sizePerComponent[c] = {877        resolutions: sizePerResolution,878        minWidth: minWidthCurrentComponent,879        minHeight: minHeightCurrentComponent,880        maxNumWide: maxNumWideCurrentComponent,881        maxNumHigh: maxNumHighCurrentComponent882      };883    }884    return {885      components: sizePerComponent,886      minWidth: minWidth,887      minHeight: minHeight,888      maxNumWide: maxNumWide,889      maxNumHigh: maxNumHigh890    };891  }892  function buildPackets(context) {893    var siz = context.SIZ;894    var tileIndex = context.currentTile.index;895    var tile = context.tiles[tileIndex];896    var componentsCount = siz.Csiz;897    // Creating resolutions and sub-bands for each component898    for (var c = 0; c < componentsCount; c++) {899      var component = tile.components[c];900      var decompositionLevelsCount =901        component.codingStyleParameters.decompositionLevelsCount;902      // Section B.5 Resolution levels and sub-bands903      var resolutions = [];904      var subbands = [];905      for (var r = 0; r <= decompositionLevelsCount; r++) {906        var blocksDimensions = getBlocksDimensions(context, component, r);907        var resolution = {};908        var scale = 1 << (decompositionLevelsCount - r);909        resolution.trx0 = Math.ceil(component.tcx0 / scale);910        resolution.try0 = Math.ceil(component.tcy0 / scale);911        resolution.trx1 = Math.ceil(component.tcx1 / scale);912        resolution.try1 = Math.ceil(component.tcy1 / scale);913        resolution.resLevel = r;914        buildPrecincts(context, resolution, blocksDimensions);915        resolutions.push(resolution);916        var subband;917        if (r === 0) {918          // one sub-band (LL) with last decomposition919          subband = {};920          subband.type = 'LL';921          subband.tbx0 = Math.ceil(component.tcx0 / scale);922          subband.tby0 = Math.ceil(component.tcy0 / scale);923          subband.tbx1 = Math.ceil(component.tcx1 / scale);924          subband.tby1 = Math.ceil(component.tcy1 / scale);925          subband.resolution = resolution;926          buildCodeblocks(context, subband, blocksDimensions);927          subbands.push(subband);928          resolution.subbands = [subband];929        } else {930          var bscale = 1 << (decompositionLevelsCount - r + 1);931          var resolutionSubbands = [];932          // three sub-bands (HL, LH and HH) with rest of decompositions933          subband = {};934          subband.type = 'HL';935          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);936          subband.tby0 = Math.ceil(component.tcy0 / bscale);937          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);938          subband.tby1 = Math.ceil(component.tcy1 / bscale);939          subband.resolution = resolution;940          buildCodeblocks(context, subband, blocksDimensions);941          subbands.push(subband);942          resolutionSubbands.push(subband);943          subband = {};944          subband.type = 'LH';945          subband.tbx0 = Math.ceil(component.tcx0 / bscale);946          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);947          subband.tbx1 = Math.ceil(component.tcx1 / bscale);948          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);949          subband.resolution = resolution;950          buildCodeblocks(context, subband, blocksDimensions);951          subbands.push(subband);952          resolutionSubbands.push(subband);953          subband = {};954          subband.type = 'HH';955          subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);956          subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);957          subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);958          subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);959          subband.resolution = resolution;960          buildCodeblocks(context, subband, blocksDimensions);961          subbands.push(subband);962          resolutionSubbands.push(subband);963          resolution.subbands = resolutionSubbands;964        }965      }966      component.resolutions = resolutions;967      component.subbands = subbands;968    }969    // Generate the packets sequence970    var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;971    switch (progressionOrder) {972      case 0:973        tile.packetsIterator =974          new LayerResolutionComponentPositionIterator(context);975        break;976      case 1:977        tile.packetsIterator =978          new ResolutionLayerComponentPositionIterator(context);979        break;980      case 2:981        tile.packetsIterator =982          new ResolutionPositionComponentLayerIterator(context);983        break;984      case 3:985        tile.packetsIterator =986          new PositionComponentResolutionLayerIterator(context);987        break;988      case 4:989        tile.packetsIterator =990          new ComponentPositionResolutionLayerIterator(context);991        break;992      default:...

Using AI Code Generation

1var iterator = new ResolutionLayerComponentPositionIterator();2var x = iterator.getX();3var y = iterator.getY();4var z = iterator.getZ();5var t = iterator.getT();6var c = iterator.getC();7var p = iterator.getP();8var r = iterator.getR();9var s = iterator.getS();10var i = iterator.getI();11var iterator = new ResolutionLayerComponentPositionIterator();12while(iterator.hasNext()) {13    var x = iterator.getX();14    var y = iterator.getY();15    var z = iterator.getZ();16    var t = iterator.getT();17    var c = iterator.getC();18    var p = iterator.getP();19    var r = iterator.getR();20    var s = iterator.getS();21    var i = iterator.getI();22    iterator.next();23}24var iterator = new ResolutionLayerComponentPositionIterator();25while(iterator.hasNext()) {26    var x = iterator.getX();27    var y = iterator.getY();28    var z = iterator.getZ();29    var t = iterator.getT();30    var c = iterator.getC();31    var p = iterator.getP();32    var r = iterator.getR();33    var s = iterator.getS();34    var i = iterator.getI();35    iterator.next();36}37var iterator = new ResolutionLayerComponentPositionIterator();38while(iterator.hasNext()) {39    var x = iterator.getX();40    var y = iterator.getY();41    var z = iterator.getZ();42    var t = iterator.getT();43    var c = iterator.getC();44    var p = iterator.getP();45    var r = iterator.getR();46    var s = iterator.getS();47    var i = iterator.getI();48    iterator.next();49}50var iterator = new ResolutionLayerComponentPositionIterator();51while(iterator.hasNext()) {52    var x = iterator.getX();53    var y = iterator.getY();54    var z = iterator.getZ();55    var t = iterator.getT();56    var c = iterator.getC();57    var p = iterator.getP();58    var r = iterator.getR();59    var s = iterator.getS();60    var i = iterator.getI();61    iterator.next();62}63var iterator = new ResolutionLayerComponentPositionIterator();

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var iterator = new wptoolkit.ResolutionLayerComponentPositionIterator();3var layer = iterator.getLayer();4var component = iterator.getComponent();5var position = iterator.getPosition();6iterator.next();7layer = iterator.getLayer();8component = iterator.getComponent();9position = iterator.getPosition();10iterator.next();11layer = iterator.getLayer();12component = iterator.getComponent();13position = iterator.getPosition();14var iterator = new wptoolkit.ResolutionLayerComponentPositionIterator();15    at Object.<anonymous> (C:\Users\user1\Desktop\test.js:4:14)16    at Module._compile (module.js:456:26)17    at Object.Module._extensions..js (module.js:474:10)18    at Module.load (module.js:356:32)19    at Function.Module._load (module.js:312:12)20    at Function.Module.runMain (module.js:497:10)21    at startup (node.js:119:16)

Using AI Code Generation

1var test = new ResolutionLayerComponentPositionIterator();2var result = test.getComponents();3var test2 = new ResolutionLayerComponentPositionIterator();4var result2 = test2.getComponents();5var test3 = new ResolutionLayerComponentPositionIterator();6var result3 = test3.getComponents();7var test = new ResolutionLayerComponentPositionIterator();8var result = test.getComponents();9var test2 = new ResolutionLayerComponentPositionIterator();10var result2 = test2.getComponents();11var test3 = new ResolutionLayerComponentPositionIterator();12var result3 = test3.getComponents();13var test = new ResolutionLayerComponentPositionIterator();14var result = test.getComponents();15var test2 = new ResolutionLayerComponentPositionIterator();16var result2 = test2.getComponents();17var test3 = new ResolutionLayerComponentPositionIterator();18var result3 = test3.getComponents();19var test = new ResolutionLayerComponentPositionIterator();20var result = test.getComponents();21var test2 = new ResolutionLayerComponentPositionIterator();22var result2 = test2.getComponents();23var test3 = new ResolutionLayerComponentPositionIterator();24var result3 = test3.getComponents();25var test = new ResolutionLayerComponentPositionIterator();26var result = test.getComponents();27var test2 = new ResolutionLayerComponentPositionIterator();28var result2 = test2.getComponents();29var test3 = new ResolutionLayerComponentPositionIterator();30var result3 = test3.getComponents();31var test = new ResolutionLayerComponentPositionIterator();32var result = test.getComponents();33var test2 = new ResolutionLayerComponentPositionIterator();34var result2 = test2.getComponents();35var test3 = new ResolutionLayerComponentPositionIterator();36var result3 = test3.getComponents();37var test = new ResolutionLayerComponentPositionIterator();38var result = test.getComponents();

Using AI Code Generation

1var wpt = new WPT();2var layer = wpt.getLayer(0);3var iterator = new ResolutionLayerComponentPositionIterator(layer);4var pos = iterator.next();5while (pos != null) {6    System.out.println(pos);7    pos = iterator.next();8}

Using AI Code Generation

1var component = app.activeDocument.activeLayer;2var iterator = new ResolutionLayerComponentPositionIterator(component);3while (iterator.hasNext()) {4	var layer = iterator.next();5	var position = iterator.position;6	alert(layer.name + " " + position);7}

Using AI Code Generation

1var wpt = new WPT();2var layer = wpt.getLayer(0);3var iterator = wpt.getResolutionLayerComponentPositionIterator(layer);4var positionArray = new Array();5while(iterator.hasNext()) {6    var position = iterator.next();7    positionArray.push(position);8}9var wpt = new WPT();10var layer = wpt.getLayer(0);11var positionArray = new Array();12for(var i = 0; i < layer.getComponentCount(); i++) {13    var position = layer.getComponentPosition(i);14    positionArray.push(position);15}16var wpt = new WPT();17var layer = wpt.getLayer(0);18var positionArray = new Array();19for(var i = 0; i < layer.getComponentCount(); i++) {20    var position = layer.getComponentPosition(i);21    positionArray.push(position);22}23var wpt = new WPT();24var layer = wpt.getLayer(0);25var iterator = wpt.getResolutionLayerComponentPositionIterator(layer);26var positionArray = new Array();27while(iterator.hasNext()) {28    var position = iterator.next();29    positionArray.push(position);30}31var wpt = new WPT();32var layer = wpt.getLayer(0);33var positionArray = new Array();34for(var i = 0; i < layer.getComponentCount(); i++) {35    var position = layer.getComponentPosition(i);36    positionArray.push(position);37}38var wpt = new WPT();39var layer = wpt.getLayer(0);40var positionArray = new Array();41for(var i = 0; i < layer.getComponentCount(); i

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var res = wptoolkit.getResolutionObject('resolution1');3var resIter = wptoolkit.getResolutionLayerComponentPositionIterator(res);4while (resIter.hasNext()) {5    var layerName = resIter.next();6    var compIter = wptoolkit.getResolutionLayerComponentIterator(res, layerName);7    while (compIter.hasNext()) {8        var compName = compIter.next();9        var posIter = wptoolkit.getResolutionLayerComponentPositionIterator(res, layerName, compName);10        while (posIter.hasNext()) {11            var posName = posIter.next();12            var value = wptoolkit.getResolutionLayerComponentPositionValue(res, layerName, compName, posName);13            console.log('layer: ' + layerName + ', component: ' + compName + ', position: ' + posName + ', value: ' + value);14        }15    }16}

Using AI Code Generation

1import { WPTree } from './wptree.js';2import { ResolutionLayerComponentPositionIterator } from './resolutionlayercomponentpositioniterator.js';3var tree = new WPTree();4tree.setTreeToDefault();5var iterator = new ResolutionLayerComponentPositionIterator(tree);6var position = iterator.getPositionOfNextComponent();7while (position != null) {8    console.log(position);9    position = iterator.getPositionOfNextComponent();10}11tree.setTreeToDefault();12position = iterator.getPositionOfNextComponent();13while (position != null) {14    console.log(position);

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