Change Log

All notable changes to this project will be documented in this file. This change log follows the conventions of keepachangelog.com.

1.4.4

• Clojure 1.11.0

Added

• shape introduced (all primitives have additiona shape version) + functions: bounding-box, intersects-rectangle?, contains-point? and contains-rectangle?
• shape->path-def and path-def->shape to construct path from a definition and back
• text-shape returns shape of the text
• load-font loads fonts from a file
• load-image, load-svg and load-bytes can load from http URLs now
• PalettonHSV, RYB, XYB and Oklab color spaces
• Dictionary of Colour Combinations - colors and palettes (prefix :docc) - https://github.com/mattdesl/dictionary-of-colour-combinations
• Color Vision Deficiency cvd-lens function (a filter)
• mixsub subtactive mixing
• adjust adds a value to color channel
• complementary to find complementary color
• random-color can select from various presets, also selects colors from palettes and known colors
• wavelength returns color from light wavelength in nm
• clojure2d.color.cssgram set of instagram-like filters + custom-filter function
• many more color difference functions
• :retina hint added to support high density displays (first attempt, things might not work well)

Fixed

• LDRednerer is aware of alpha channel now
• palette should return a vector in every case
• path points should be any seq (not vector only)
• possible-color? should recognize String as a valid color
• HWB colorspaces fixed to ensure reversibility
• canvas orientation shift

Changed

• color difference functions revisited and reorganized

Deprecated

• load-url-image - use load-image

1.4.3

Changed

• fastmath deps updated

1.4.2

Changed

• deps updated

1.4.1

Changed

• deps updated

1.4.0

Added

• Introduced cpt-city palettes and gradients
• Introduced paletteer palettes and gradients

Changed

• Updated fastmath and batik deps
• Refactor to load gradients and palettes dynamically
• [breaking] due to the number of palettes/gradients, find-palette and find-gradient should be used to find names.

Fixed

• compose-channels applies alpha blending by default when alpha channel processing is turned off.

1.3.1

Changed

• internal core optimizations (fn -> macros)

1.3.0

Changed

• deps updated

1.3.0-alpha2

Added

• lerp- color interpolator

Fixed

• possible-color? catches gradient
• iq-gradient wrong interpolation between two colors

1.3.0-alpha1

Added

• mathematica gradients (thanks to Chris N.)
• palette helper function
• temperature to convert black-body emissions to color
• get-channel, set-channel, modulate - to manipulate channels in selected color space
• relative-luma (WCAG version)
• more String as color (single letter, triplets, #rgba)
• correct-lightness for gradient and palette

Changed

• deps bumped
• pixels mutating functions are now with !
• [breaking] all blending functions moved to separate namespace and reweritten from the scratch
• [breaking] changed API for certain color functions. Especially for [[palette]] and [[gradient]]

Removed

• Signal processing - moved to fastmath
• palette/gradient presets as vars (use [[palette]] or [[gradient]] to access them)

Fixed

• Closing window during draw can cause NPE when accessing global state.
• HCL is now proper HCL by Sarifuddin and Missaou (to use CIELab version use LCH)
• brighten/darken and saturate/desaturate corresponds to chroma.js now
• mix corresponds to chroma.js now
• contrast-ratio reflects WCAG definition

1.2.0-SNAPSHOT

Added

• :always-on-top? parameter to set window to be on top
• orient-canvas - axis orientation functions
• filter-channel, filter-channel-xy, blend-channel and blend-channel-xy can accept function as a parameter single parameter (acts a partial)..
• set-composite and composite to compose drawing with canvas by Java2d, see java.awt.Composite
• new window parameter, :background set panel background color
• bounding box for given text
• load-url-image to handle loading from URL
• pattern-mode to set textured fill for shapes
• Gradient density rendering

Changed

• BREAKING: by default canvas is fully transparent. Window background is set to white. This is made to match html canvas behaviour.
• BREAKING: set-background uses SrcOver (default) composite. Previously was Src.

Removed

• thi.ng/color dependency

Fixed

• Bring window to top // (still doesn't work well)
• Headless mode fix
• Blur algorithm rounding (ghosting effect)
• Native color conversion from- was clumping an input

1.1.0

Added

• grid cells
• hex primitive

Changed

• quadtree segmentation now uses low-discrepancy sequence generator

1.0.3

Added

• reconstruction filters spread parameter
• Hann reconstruction filter

Changed

• reconstruction filters default values
• refactored renderer, breaking change: intensity is now vibrancy and acts opposite way

Fixed

• reconstruction filters errors

1.0.2

Added

• pack color into 32 bit integer
• resize Pixels
• 4 new color spaces: IPT, LMS, JAB, JCH
• new palettes and gradient
• new color distance based on JAB
• list of all predefined colors, palettes and gradients have separate docs

Changed

• reduce-colors - selects color from cluster using mode rather than centroid
• html-color* -> named-color*

1.0.1

Added

• Pixels can be treated as sequence now (sequence of colors)
• reduce-colors using x-means clustering algorithm

1.0.0

Added

• iq-gradient accepts also two colors (https://github.com/thi-ng/color/blob/master/src/gradients.org#gradient-coefficient-calculation)
• load-svg and transcode-svg added

Changed

• merge-renderers can merge any number of renderers (previously only two).
• iq-random-gradient also uses iq-gradient for two colors generated by paletton generator
• random-gradient uses also iq-random-gradient function
• filled-with-stroke is macro now
• removed dependency to Vec2 in some functions in clojure2d.core

Fixed

• random-gradient will use only two interpolators (:cubic and :linear) to avoid exceed of the range

1.0.0-RC2

Added

• arc and rarc (radius arc) functions

Changed

• spots overlay - number of spots heuristic changed

1.0.0-RC1 (0.1.0-SNAPSHOT)

Please note - breaking changes!

Added

• key-pressed? mouse-pressed? (and other event values) functions available in draw-fn (via Window protocols)
• lerp in color (to interpolate colors)
• set-stroke-custom - to set custom stoke pattern
• to-XXX* / from-XXX* are now normalized (0-255) colorspace conversion functions.
• color distances
• color interpolators
• color preset palettes (Brewer, Tableaus, Microsoft)
• color gradients
• color tweaking functions
• font-ascent
• thi.ng rgba interoperability

Changed

• project dependencies to external generateme/fastmath library
• to-luma -> luma, get-hue -> hue
• hue returns angle (0 - 360)
• make-color, make-awt-color, make-canvas, make-2d-...-array changed to names without make- prefix
• make-pixels -> pixels
• make-effect* -> effect
  • almost all make- in raymarching are changed to version without prefix
• resize-image and resize-canvas are now moved to ImageProto as resize
• xor-mode, gradient-mode are reset with paint-mode
• to-XXX/from-XXX in colorspaces are raw conversions now
• YXY renamed to Yxy
• make-color-converter -> color-converter
• paletton-palette -> paletton
• signal processing refactored, api changed
• overlays refactored
• glitch scripts refectored, api changed

Prefix make- is reserved when function is created.

Fixed

• set-font works now

Removed

• math namespaces moved to generateme/fastmath project
• examples moved to separate repository

0.0.7

Added

• with-canvas is no longer threading macro (use with-canvas-> for that)
• :setup parameter added to show-window. It's run before displaying window. Parameters are: canvas (within context) and window. When returned value is not nil it's used as initial state. In other case :draw-state parameter is used.
• color can be represented as int (eg. in hex form like: 0x234344)
• clamp255 returns double, for long version call lclamp255
• bezier and curve functions added
• date/time functions (year, month, day, hour, minute, sec, millis, nanos)
• new function filled-with-stroke - to draw primitive with stroke and filled
• load-bytes added
• general key-event added (like mouse-event). You can now dispatch also on event type not only key char or code
• background supports transparency
• screen-width and screen-height functions

Fixed

• threshold filter wrong values
• draw now displays exception when something is wrong
• window canvas was in the bad size causing visual artifacts
• more accurate frame delay calculations

Changed

• with-canvas is renamed to with-canvas->
• :highest hint added (it's :high with Stroke Pure)
• :right, :left or :center alignments for text (last parameter, default :left)
• rendering-hints is map of vectors now, it gave 25% speed gain during recreating graphics context

0.0.5-0.0.6 - 2017-11-21

Added

• Vcf303, Echo and BassTreble signal processing effects + example 16 updated
• key-released and key-typed events added
• fractal bestiary explorer - example 37
• path-bezier - bezier spline
• text and font functions
• Java2D convolution filters (via (convolve ...)), returning image
• Expectations Tests
• ArrayVec type - doubles array vector representation (for speed gain)

Changed

• Overlays API changed to image + configuration map
• Switched from clojure math to primitive math library
• FastMath bindings changed to macros for several methods
• Saving picture moved to image protocol, replaced save-canvas and save-pixels removed (call (save canvas name)).
• KeyEvent protocols
• vector scale -> set-mag
• fixes after tests

Fixed

• rgb scanlines bad tint values
• subpixel accuracy for strokes included in :high canvas profile

0.0.4 - 2017-08-07

Added

• New overlay - crt scanlines

Changed

• Events and Window carry global state, show-window parameters reorganized.

0.0.3 - 2017-07-02

Added

• Canvas transformations (transpose, rotate, scale, push/pop matrix)
• Image protocol (get-image, width and height fns) for Window, Canvas, image, Pixels
• Mouse position protocol to Window and MouseEvent
• Nature of Code examples
• html 140 colors defined in color namespace (access by (c/to-color :name) or (set-color canvas :name))
• point and line drawing function accept Vec2 coordinates as well
• more variations
• clojure2d temporary icon

Changed

• Canvas as a type
• Window as a type (record)
• Helper functions to check if window is visible
• Helper function to get image from canvas and window
• Color manimulations refactored (awt vs vec4)
• Complex type is Vec2 now
• Session management refactored
• Draw function accepts also Window (to access mouse position)
• Examples revisited
• Signal processing optimisations - speed gain 2x

0.0.2 - 2017-04-14

Added

• Core:
  • session management functions
• Pixels:
  • accumulation bins rendering support
• Random:
  • random and low discrepancy sequence generators (binding to apache commons math)
• Color:
  • color converters
  • palette generators (paletton style, colourlovers 200 palettes, iq generator)
• Extra:
  • glitch functions - slitscan, mirror, color redutions, bleding
  • raymarching - basic raymarching
  • signal - signal processing for sonification (pixels to raw, raw to pixels converters, wave generators)
• Examples: currently 32 examples

Changed

• A lot of changes and huge number of code optimizations (for speed)
• Draw function behaviour
• Canvas wrapper (Graphics2d allocation and release)
• Mouse moved event
• JPanel -> java.awt.Canvas and custom paint function
• Vectors as Seq + PersistentVector enhanced (VectorProto)
• filters changed to signal ns

Fixed

Bugs, bugs, bugs + optimization for speed

0.0.1 - 2016-11-01

Added

• Initial release
• Core:
  • image load/save
  • display window
  • basic canvas operations
• Pixels:
  • operate on pixel and channel level
  • basic filter
  • blending functions
• Math:
  • jafama FastMath lib
  • random functions based on Apache Commons Math
  • noise functions based on flow-noise and joise
  • statistic functions
  • Complex type
• Color:
  • various blending methods
• Extra, place for common functions used in glitch/generative process
  • filters.clj - analog filters (for sonification)
  • overlays.clj - rgb scanlines, noise, spots
  • segmentation.clj - divide image into squares
  • variations.clj - fractal flames variation libarary (vector fields)
• Examples: 13 examples