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colorpalette-logo

Color palette written in Python and OpenCV

README: ENGLISH | 简体中文

Demo

colorpalette-usage

How to use it

Colorbar

Display Colorbar

colorbar = Colorbar()                                                     # Create an instance of Colorbar
bar_matrix = colorbar.get_cm()                                            # Get matrix
cv2.imshow('color_bar_demo', cv2.cvtColor(bar_matrix, cv2.COLOR_HSV2BGR)) # Display colorbar

Colorstrip(slider)

colorstrip = Colorstrip(conf)                                             # Create an instance of Colorstrip
colorstrip.connect(colorbar)                                              # Bind colorstrip to colorbar

colorstrip.slide(x)                                                       # Make the strip slide to x
bar_matrix = colorstrip.get_cm()                                          # Get matrix which contains colorbar and colorstrip
cv2.imshow('color_bar_demo', cv2.cvtColor(bar_matrix, cv2.COLOR_HSV2BGR)) # Display colorbar and colorstrip

Colorbar API

Colorbar.get_cm()
Get computational matrix. Format: [row, column, color_in_hsv]

Colorbar.get_color(x)
Get color by x value. Format: [h, s_max, v_max]

Colorstrip API

Colorstrip.connect(bar)
Bind the strip to a colorbar

Colorstrip.slide(x)
Make the strip slide to x

Colorstrip.get_cm()
Get computational matrix. Format: [row, column, color_in_hsv]

Colorboard

Display Colorboard

colorboard = Colorboard(conf)                                                # Create an instance of Colorboard
colorboard.connect(colorbar)                                                 # Bind colorboard to colorbar

board_matrix = colorboard.get_subcm(x)                                       # Get matrix
cv2.imshow('color_board_demo', cv2.cvtColor(board_matrix, cv2.COLOR_HSV2BGR) # Display colorboard

Colorpin

colorpin = Colorpin()                                                        # Create an instance of Colorpin
colorpin.connect(colorboard)                                                 # Bind colorpin to colorboard

colorpin.locate(x, y)                                                        # Put the pin to (x, y) in colorboard
board_matrix = colorpin.get_cm()                                             # Get matrix which contains colorboard and colorpin
cv2.imshow('color_board_demo', cv2.cvtColor(board_matrix, cv2.COLOR_HSV2BGR) # Display colorboard and colorpin

Colorboard API

Colorboard.connect(bar)
Bind the board to a colorbar.

Colorboard.get_current_subcm()
Get current sub computational matrix. Format: [row, column, color_in_hsv]

Colorboard.get_subcm(hue)
Get sub computational matrix by a given hue. Format: [row, column, color_in_hsv]

Colorboard.get_color(x, y)
Get color by (x, y). Format: [h, s, v]

Colorboard.get_color_pos(color_in_hsv)
Get Color position by hsv. Format: [hue, row, column]

Colorpin API

Colorpin.connect(board)
Bind the pin to a colorboard

Colorpin.locate(x, y)
put the pin to (x, y) in colorboard

Colorpin.get_cm()
Get computational matrix. Format: [row, column, color_in_hsv]

Configuration

Section Meaning
use_colorboard_rtcp Real-time computing colorboard matrix
use_colorboard_cache Use colorboard matrix cache

TO-DO list

  1. Speed up the display of colorboard. (Optimize matrix calculation and compress cache file)
  2. Add Color-positioning
  3. Add Colorpicker module

License

MIT License