Package net.paulhertz.pixelaudio.example

Class BuildFromPathGenDemo

java.lang.Object
processing.core.PApplet
net.paulhertz.pixelaudio.example.BuildFromPathGenDemo
All Implemented Interfaces:
processing.core.PConstants
public class BuildFromPathGenDemo extends processing.core.PApplet
BuildFromPathGenDemo shows how PixelMapGen data can be stored in and loaded from a JSON file. There are three JSON files available in the data folder of this sketch: vertical.json, bigDiagonal.json, multigen.json. This sketch provides various methods for reading and writing JSON files. The JSON file should contain a "header" with fields "PXAU", "Description" and "PixelAudioURL". The value of the PXAU field is set to "BGEN" to identify the JSON data as encoding a PixelMapGen. The PXAU field is repeated in the body of the JSON file, which must contain the following fields: "PXAU": "BGEN" "width": "height": "pixelMap": [...] "pixelMap" flags an array of integers that are the values of the indices of the signal path, signalToImageLUT, from a PixelMapGen. The signalToImageLUT values can be decoded to (x, y) coordinates and used to initialize the remaining fields of a BuildFromPathGen. Most of the work gets done by calling importGenDataJSON(JSONObject json) with the data loaded from the JSON file. The type of PixelMapGen created in importGenDataJSON() is a BuildFromPathGen. The BuildFromPathGen constructor requires width and height. To complete initialization, you must call BuildFromPathGen.setPixelMap() with the integer array derived from the JSON data. Then call BuildFromPathGen.generate() to initialize all remaining variables. BuildFromPathGen myGen = new BuildFromPathGen(w, h); int[] pixelMap = map.toIntArray(); // always call BuildFromPathGen.setPixelMap() before you call BuildFromPathGen.generate() myGen.setPixelMap(pixelMap); myGen.generate(); For most purposes, the BuildFromPathGen can be handled as PixelMapGen. Note that only the signalToImageLUT data is saved to the JSON. Color data and audio samples are external to the PixelMapGen. You can save them to image or audio files and reload them later.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    (package private) processing.core.PImage
    baseImage
     
    (package private) int[]
    colors
     
    (package private) int
    columns
     
    (package private) String
    currentFileName
     
    (package private) PixelMapGen
    currentGen
     
    (package private) int
    genHeight
     
    (package private) int
    genWidth
     
    (package private) HilbertGen
    hGen
     
    (package private) boolean
    isAnimating
     
    (package private) processing.core.PImage
    mapImage
     
    (package private) PixelAudioMapper
    mapper
     
    (package private) MultiGen
    multigen
     
    (package private) boolean
    oldIsAnimating
     
    (package private) PixelAudio
    pixelaudio
     
    (package private) int
    rows
     
    (package private) int
    shift
     
    (package private) int
    totalShift
     

    Fields inherited from class processing.core.PApplet

    args, ARGS_BGCOLOR, ARGS_DISABLE_AWT, ARGS_DISPLAY, ARGS_EDITOR_LOCATION, ARGS_EXTERNAL, ARGS_FULL_SCREEN, ARGS_HIDE_STOP, ARGS_LOCATION, ARGS_PRESENT, ARGS_SKETCH_FOLDER, ARGS_STOP_COLOR, ARGS_UI_SCALE, ARGS_WINDOW_COLOR, DEFAULT_HEIGHT, DEFAULT_WIDTH, disableAWT, displayHeight, displayWidth, dmouseX, dmouseY, emouseX, emouseY, exitCalled, EXTERNAL_MOVE, EXTERNAL_STOP, finished, firstMouse, focused, frameCount, frameRate, frameRateLastNanos, g, height, insideDraw, javaPlatform, javaVersion, javaVersionName, key, keyCode, keyEvent, keyPressed, keyRepeatEnabled, looping, matchPatterns, mouseButton, mouseEvent, mousePressed, mouseX, mouseY, pixelDensity, pixelHeight, pixels, pixelWidth, platform, pmouseX, pmouseY, ratioLeft, ratioScale, ratioTop, recorder, redraw, rheight, rmouseX, rmouseY, rwidth, surface, useNativeSelect, width, windowX, windowY

    Fields inherited from interface processing.core.PConstants

    ADD, ALPHA, ALT, AMBIENT, ARC, ARGB, ARROW, BACKSPACE, BASELINE, BEVEL, BEZIER_VERTEX, BLEND, BLUR, BOTTOM, BOX, BREAK, BURN, CENTER, CHATTER, CHORD, CLAMP, CLOSE, CODED, COMPLAINT, CONTROL, CORNER, CORNERS, CROSS, CURVE_VERTEX, CUSTOM, DARKEST, DEG_TO_RAD, DELETE, DIAMETER, DIFFERENCE, DILATE, DIRECTIONAL, DISABLE_ASYNC_SAVEFRAME, DISABLE_BUFFER_READING, DISABLE_DEPTH_MASK, DISABLE_DEPTH_SORT, DISABLE_DEPTH_TEST, DISABLE_KEY_REPEAT, DISABLE_NATIVE_FONTS, DISABLE_OPENGL_ERRORS, DISABLE_OPTIMIZED_STROKE, DISABLE_STROKE_PERSPECTIVE, DISABLE_STROKE_PURE, DISABLE_TEXTURE_MIPMAPS, DODGE, DOWN, DXF, ELLIPSE, ENABLE_ASYNC_SAVEFRAME, ENABLE_BUFFER_READING, ENABLE_DEPTH_MASK, ENABLE_DEPTH_SORT, ENABLE_DEPTH_TEST, ENABLE_KEY_REPEAT, ENABLE_NATIVE_FONTS, ENABLE_OPENGL_ERRORS, ENABLE_OPTIMIZED_STROKE, ENABLE_STROKE_PERSPECTIVE, ENABLE_STROKE_PURE, ENABLE_TEXTURE_MIPMAPS, ENTER, EPSILON, ERODE, ESC, EXCLUSION, FX2D, GIF, GRAY, GROUP, HALF_PI, HAND, HARD_LIGHT, HINT_COUNT, HSB, IMAGE, INVERT, JAVA2D, JPEG, LANDSCAPE, LEFT, LIGHTEST, LINE, LINE_LOOP, LINE_STRIP, LINES, LINUX, MACOS, MACOSX, MAX_FLOAT, MAX_INT, MIN_FLOAT, MIN_INT, MITER, MODEL, MODELVIEW, MOVE, MULTIPLY, NORMAL, OPAQUE, OPEN, OPENGL, ORTHOGRAPHIC, OTHER, OVERLAY, P2D, P3D, PATH, PDF, PERSPECTIVE, PI, PIE, platformNames, POINT, POINTS, POLYGON, PORTRAIT, POSTERIZE, PROBLEM, PROJECT, PROJECTION, QUAD, QUAD_BEZIER_VERTEX, QUAD_STRIP, QUADRATIC_VERTEX, QUADS, QUARTER_PI, RAD_TO_DEG, RADIUS, RECT, REPEAT, REPLACE, RETURN, RGB, RIGHT, ROUND, SCREEN, SHAPE, SHIFT, SOFT_LIGHT, SPAN, SPHERE, SPOT, SQUARE, SUBTRACT, SVG, TAB, TARGA, TAU, TEXT, THIRD_PI, THRESHOLD, TIFF, TOP, TRIANGLE, TRIANGLE_FAN, TRIANGLE_STRIP, TRIANGLES, TWO_PI, UP, VERTEX, WAIT, WHITESPACE, WINDOWS, X, Y, Z

  • Constructor Summary

    Constructors
    Constructor
    Description
    BuildFromPathGenDemo()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    animate()
     
    (package private) boolean
    checkJSONHeader(processing.data.JSONObject json, String key, String val)
     
    void
    draw()
     
    void
    exportGenData(PixelMapGen gen)
     
    void
    fileSelectedOpen(File selection)
     
    void
    fileSelectedWrite(File selection)
     
    int[]
    getColors()
     
    processing.data.JSONObject
    getJSONHeader()
     
    MultiGen
    hilbertLoop3x2(int genW, int genH)
    Generates a looping fractal signal path consisting of 6 HilbertGens, arranged 3 wide and 2 tall, to fit a 3 * genW by 2 * genH image.
    void
    importGenData()
     
    PixelMapGen
    importGenDataJSON(processing.data.JSONObject json)
     
    void
    initImages()
    Initializes mapImage with the colors array, copies mapImage to baseImage.
    void
    keyPressed()
     
    static void
    main(String[] args)
     
    void
    settings()
     
    void
    setup()
     
    void
    showHelp()
     

    Methods inherited from class processing.core.PApplet

    abs, abs, acos, alpha, ambient, ambient, ambient, ambientLight, ambientLight, append, append, append, append, append, append, applyMatrix, applyMatrix, applyMatrix, applyMatrix, applyMatrix, arc, arc, arraycopy, arraycopy, arraycopy, arrayCopy, arrayCopy, arrayCopy, asin, atan, atan2, attrib, attrib, attrib, attribColor, attribNormal, attribPosition, background, background, background, background, background, background, background, beginCamera, beginContour, beginPGL, beginRaw, beginRaw, beginRecord, beginRecord, beginShape, beginShape, bezier, bezier, bezierDetail, bezierPoint, bezierTangent, bezierVertex, bezierVertex, binary, binary, binary, binary, blend, blend, blendColor, blendMode, blue, box, box, brightness, calcSketchPath, camera, camera, ceil, checkAlpha, checkExtension, choice, choice, circle, clear, clip, color, color, color, color, color, color, color, color, colorMode, colorMode, colorMode, colorMode, concat, concat, concat, concat, concat, concat, concat, constrain, constrain, copy, copy, copy, cos, createFont, createFont, createFont, createGraphics, createGraphics, createGraphics, createImage, createInput, createInput, createInputRaw, createOutput, createOutput, createPath, createPath, createPrimaryGraphics, createReader, createReader, createReader, createShape, createShape, createShape, createWriter, createWriter, createWriter, cursor, cursor, cursor, cursor, curve, curve, curveDetail, curvePoint, curveTangent, curveTightness, curveVertex, curveVertex, dataFile, dataPath, day, debug, degrees, delay, dequeueEvents, desktopFile, desktopPath, die, die, directionalLight, displayDensity, displayDensity, dispose, dist, dist, edge, ellipse, ellipseMode, emissive, emissive, emissive, endCamera, endContour, endPGL, endRaw, endRecord, endShape, endShape, exec, exec, exit, exitActual, exitCalled, exp, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, fill, fill, fill, fill, fill, fill, filter, filter, filter, floor, flush, focusGained, focusLost, frameMoved, frameRate, frustum, fullScreen, fullScreen, fullScreen, fullScreen, get, get, get, getExtension, getGraphics, getMatrix, getMatrix, getMatrix, getSurface, green, handleDraw, handleKeyEvent, handleMethods, handleMouseEvent, hex, hex, hex, hex, hideMenuBar, hint, hour, hue, image, image, image, imageMode, initSurface, insertFrame, isLooping, join, join, keyPressed, keyReleased, keyReleased, keyTyped, keyTyped, launch, lerp, lerpColor, lerpColor, lightFalloff, lights, lightSpecular, line, line, link, listFiles, listFiles, listPaths, loadBytes, loadBytes, loadBytes, loadFont, loadImage, loadImage, loadJSONArray, loadJSONArray, loadJSONObject, loadJSONObject, loadPixels, loadShader, loadShader, loadShape, loadShape, loadStrings, loadStrings, loadStrings, loadStrings, loadTable, loadTable, loadXML, loadXML, log, loop, mag, mag, main, main, main, makeGraphics, map, mask, match, matchAll, max, max, max, max, max, max, method, millis, min, min, min, min, min, min, minute, modelX, modelY, modelZ, month, mouseClicked, mouseClicked, mouseDragged, mouseDragged, mouseEntered, mouseEntered, mouseExited, mouseExited, mouseMoved, mouseMoved, mousePressed, mousePressed, mouseReleased, mouseReleased, mouseWheel, mouseWheel, nf, nf, nf, nf, nf, nf, nfc, nfc, nfc, nfc, nfp, nfp, nfp, nfp, nfs, nfs, nfs, nfs, noClip, noCursor, noFill, noise, noise, noise, noiseDetail, noiseDetail, noiseSeed, noLights, noLoop, norm, normal, noSmooth, noStroke, noTexture, noTint, orientation, ortho, ortho, ortho, parseBoolean, parseBoolean, parseBoolean, parseBoolean, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseChar, parseChar, parseChar, parseChar, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseJSONArray, parseJSONObject, parseXML, parseXML, pause, perspective, perspective, pixelDensity, point, point, pointLight, pop, popMatrix, popStyle, postEvent, postWindowMoved, postWindowResized, pow, print, print, print, print, print, print, print, print, print, printArray, printCamera, println, println, println, println, println, println, println, println, println, println, println, printMatrix, printProjection, printStackTrace, push, pushMatrix, pushStyle, quad, quadraticVertex, quadraticVertex, radians, random, random, randomGaussian, randomSeed, rect, rect, rect, rectMode, red, redraw, registerMethod, requestImage, requestImage, resetMatrix, resetShader, resetShader, resume, reverse, reverse, reverse, reverse, reverse, reverse, reverse, rotate, rotate, rotateX, rotateY, rotateZ, round, runSketch, runSketch, runSketch, saturation, save, saveBytes, saveBytes, saveBytes, saveFile, saveFrame, saveFrame, saveJSONArray, saveJSONArray, saveJSONObject, saveJSONObject, savePath, saveStream, saveStream, saveStream, saveStream, saveStream, saveStrings, saveStrings, saveStrings, saveTable, saveTable, saveXML, saveXML, scale, scale, scale, screenX, screenX, screenY, screenY, screenZ, second, selectCallback, selectFolder, selectFolder, selectFolder, selectInput, selectInput, selectInput, selectOutput, selectOutput, selectOutput, set, set, setMatrix, setMatrix, setMatrix, setSize, shader, shader, shape, shape, shape, shapeMode, shearX, shearY, shell, shininess, shorten, shorten, shorten, shorten, shorten, shorten, shorten, showDepthWarning, showDepthWarningXYZ, showMethodWarning, showMissingWarning, showSurface, showVariationWarning, sin, size, size, size, sketchDisplay, sketchFile, sketchFullScreen, sketchHeight, sketchOutputPath, sketchOutputStream, sketchPath, sketchPath, sketchPixelDensity, sketchRenderer, sketchSmooth, sketchWidth, sketchWindowColor, smooth, smooth, sort, sort, sort, sort, sort, sort, sort, sort, sort, sort, specular, specular, specular, sphere, sphereDetail, sphereDetail, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, split, split, splitTokens, splitTokens, spotLight, sq, sqrt, square, start, startSurface, stop, str, str, str, str, str, str, str, str, str, str, stroke, stroke, stroke, stroke, stroke, stroke, strokeCap, strokeJoin, strokeWeight, style, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, tan, text, text, text, text, text, text, text, text, text, text, text, textAlign, textAlign, textAscent, textDescent, textFont, textFont, textLeading, textMode, textSize, texture, textureMode, textureWrap, textWidth, textWidth, textWidth, thread, tint, tint, tint, tint, tint, tint, translate, translate, triangle, trim, trim, unbinary, unhex, unregisterMethod, updatePixels, updatePixels, urlDecode, urlEncode, vertex, vertex, vertex, vertex, vertex, windowMove, windowMoved, windowRatio, windowResizable, windowResize, windowResized, windowTitle, year

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • pixelaudio

      PixelAudio pixelaudio

    • hGen

      HilbertGen hGen

    • multigen

      MultiGen multigen

    • genWidth

      int genWidth

    • genHeight

      int genHeight

    • rows

      int rows

    • columns

      int columns

    • mapper

      PixelAudioMapper mapper

    • mapImage

      processing.core.PImage mapImage

    • baseImage

      processing.core.PImage baseImage

    • colors

      int[] colors

    • shift

      int shift

    • totalShift

      int totalShift

    • isAnimating

      boolean isAnimating

    • oldIsAnimating

      boolean oldIsAnimating

    • currentFileName

      String currentFileName

    • currentGen

      PixelMapGen currentGen

  • Constructor Details

    • BuildFromPathGenDemo

      public BuildFromPathGenDemo()

  • Method Details

    • main

      public static void main(String[] args)

    • settings

      public void settings()
      Overrides:
      settings in class processing.core.PApplet

    • setup

      public void setup()
      Overrides:
      setup in class processing.core.PApplet

    • hilbertLoop3x2

      public MultiGen hilbertLoop3x2(int genW, int genH)
      Generates a looping fractal signal path consisting of 6 HilbertGens, arranged 3 wide and 2 tall, to fit a 3 * genW by 2 * genH image. This particular MultiGen configuration was used so extensively in my sample code that I've given it its own static method in HilbertGen. Note that genW must be a power of 2 and genH == genW. For the image size we're using in this example, image width = 3 * genW and image height = 2 * genH.
      Parameters:
      genW - width of each HilbertGen
      genH - height of each HilbertGen
      Returns:

    • getColors

      public int[] getColors()

    • initImages

      public void initImages()
      Initializes mapImage with the colors array, copies mapImage to baseImage. MapImage handles the color data for mapper and also serves as our display image. BaseImage is intended as a reference image that typically only changes when you load a new image.

    • draw

      public void draw()
      Overrides:
      draw in class processing.core.PApplet

    • keyPressed

      public void keyPressed()
      Overrides:
      keyPressed in class processing.core.PApplet

    • showHelp

      public void showHelp()

    • animate

      public void animate()

    • exportGenData

      public void exportGenData(PixelMapGen gen)

    • fileSelectedWrite

      public void fileSelectedWrite(File selection)

    • getJSONHeader

      public processing.data.JSONObject getJSONHeader()

    • importGenData

      public void importGenData()

    • fileSelectedOpen

      public void fileSelectedOpen(File selection)

    • checkJSONHeader

      boolean checkJSONHeader(processing.data.JSONObject json, String key, String val)

    • importGenDataJSON

      public PixelMapGen importGenDataJSON(processing.data.JSONObject json)