more toxiclibs

Author: monkstone

external_library/gem/toxiclibs/color_utils/color_presets.rb

@@ -0,0 +1,51 @@
+#!/usr/bin/env jruby
+require 'propane'
+
+class ColorPresets < Propane::App
+
+  load_library :hype
+  include_package 'hype'
+  java_import 'hype.extended.layout.HGridLayout'
+  # string color array
+  PALETTE = %w(
+    CLEAR
+    WHITE
+    BLACK
+    LGREY
+    GREY
+    DGREY
+    RED
+    GREEN
+    BLUE
+    CYAN
+    YELLOW
+    MAGENTA
+  ).freeze
+  # format string see fill below
+  FSTRING = 'Java::HypeInterfaces::HConstants::%s'.freeze
+
+  def settings
+    size(640, 640)
+  end
+
+  def setup
+    sketch_title 'Color Presets'
+    H.init(self)
+    H.background(color('#242424'))
+    grid = HGridLayout.new(3).spacing(210, 157).start_loc(10, 10)
+    PALETTE.each do |col|
+      H.add(HRect.new(200, 147))
+       .stroke_weight(3)
+       .stroke(H::BLACK, 150.0) # Note we call hype constants
+       .fill(instance_eval(format(FSTRING, col))) # and using eval
+       .loc(grid.get_next_point)
+    end
+  end
+
+  def draw
+    H.draw_stage
+    no_loop
+  end
+end
+
+ColorPresets.new

external_library/gem/toxiclibs/color_utils/color_theme.rb

@@ -0,0 +1,124 @@
+#!/usr/bin/env jruby
+require 'propane'
+require 'toxiclibs'
+# ColorTheme demo showing the following:
+# - construction of TColor themes via textual descriptions of shades and Colors
+# - adding an rand element to the theme
+#
+# Press SPACE to toggle rendering mode, any other key will re-generate a
+# random variation of the color theme
+#
+# @author Karsten Schmidt <info at postspectacular dot com>
+# Copyright (c) 2009 Karsten Schmidt
+#
+# This demo & library is free software you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# http://creativecommons.org/licenses/LGPL/2.1/
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+class ColorThemeSketch < Propane::App
+
+  include_package 'toxi.color'
+  include_package 'toxi.util.datatypes'
+
+  SWATCH_HEIGHT = 40.0
+  SWATCH_WIDTH = 5.0
+  SWATCH_GAP = 1
+
+  MAX_SIZE = 150.0
+  NUM_DISCS = 300
+  attr_reader :show_discs
+
+  def settings
+    size(1024, 768)
+    # smooth
+  end
+
+  def setup
+    sketch_title 'Color Theme'
+    @show_discs = true
+    noise_detail(2)
+    no_loop
+  end
+
+  def draw
+    # first define our new theme
+    t = ColorTheme.new('test')
+    # add different color options, each with their own weight
+    t.add_range('soft ivory', 0.5)
+    t.add_range('intense goldenrod', 0.25)
+    t.add_range('warm saddlebrown', 0.15)
+    t.add_range('fresh teal', 0.05)
+    t.add_range('bright yellowgreen', 0.05)
+    # now add another rand hue which is using only bright shades
+    t.add_range(ColorRange::BRIGHT, TColor.new_random, rand(0.02..0.05))
+    # use the TColor theme to create a list of 160 Colors
+    list = t.get_colors(160)
+    if show_discs
+      background(list.get_lightest.toARGB)
+      discs(list)
+    else
+      background(0)
+      yoff = 32
+      list.sort_by_distance(false)
+      swatches(list, 32, yoff)
+      yoff += SWATCH_HEIGHT + 10
+      list.sort_by_criteria(AccessCriteria::LUMINANCE, false)
+      swatches(list, 32, yoff)
+      yoff += SWATCH_HEIGHT + 10
+      list.sort_by_criteria(AccessCriteria::BRIGHTNESS, false)
+      swatches(list, 32, yoff)
+      yoff += SWATCH_HEIGHT + 10
+      list.sort_by_criteria(AccessCriteria::SATURATION, false)
+      swatches(list, 32, yoff)
+      yoff += SWATCH_HEIGHT + 10
+      list.sort_by_criteria(AccessCriteria::HUE, false)
+      swatches(list, 32, yoff)
+      yoff += SWATCH_HEIGHT + 10
+      list.sort_by_proximity_to(NamedColor::WHITE, RGBDistanceProxy.new, false)
+      swatches(list, 32, yoff)
+    end
+    # save_frame(format('theme-%s%s', timestamp, '_##.png'))
+  end
+
+  def timestamp
+    Time.now.strftime('%Y%d%m_%H%M%S')
+  end
+
+  def key_pressed
+    @show_discs = !show_discs if key == ' '
+    redraw
+  end
+
+  def swatches(sorted, x, y)
+    no_stroke
+    colors = sorted.toARGBArray.to_a
+    colors.each do |c|
+      fill(c)
+      rect(x, y, SWATCH_WIDTH, SWATCH_HEIGHT)
+      x += SWATCH_WIDTH + SWATCH_GAP
+    end
+  end
+
+  def discs(list)
+    no_stroke
+    colors = list.toARGBArray.to_a
+    colors.shuffle.each do |c|
+      fill(c, rand(125.0..255)) # random transparency
+      r = rand(MAX_SIZE)
+      ellipse(rand(width), rand(height), r, r)
+    end
+  end
+end
+
+ColorThemeSketch.new