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October 9, 2021 17:14
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cv2 extra key binding: arrows etc
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| import numpy as np | |
| from py3j.system import system as m_system | |
| """ | |
| https://stackoverflow.com/questions/45580975/opencv-handling-arrow-keys-with-waitkey-function/45584477 | |
| https://docs.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes | |
| in main: | |
| cv2_key = cv2.waitKeyEx( 1 ) & m_cv2.Key.mask | |
| if cv2_key != m_cv2.Key.mask: | |
| if cv2_key == m_cv2.Key.VK_DOWN: | |
| # do something | |
| elif cv2_key == m_cv2.Key.VK_UP: | |
| # do something | |
| """ | |
| class Key: | |
| mask = 0xFFFFFF # so up arrow key maps to 0x260000 VK_UP | |
| # https://help.perforce.com/pv-wave/2017.1/PVWAVE_Online_Help/pvwave.html#page/Foundation/ap.e.virt_keys.html | |
| # copied into excel vk_codes_2.xlsx | |
| VK_ABNT_C1 = 0xC10000 # 0xC1 0xC10000 # Abnt C1 | |
| VK_ABNT_C2 = 0xC20000 # 0xC2 0xC20000 # Abnt C2 | |
| VK_ADD = 0x6B0000 # 0x6B 0x6B0000 # Numpad + | |
| VK_ATTN = 0xF60000 # 0xF6 0xF60000 # Attn | |
| VK_BACK = 0x80000 # 0x08 0x80000 # Backspace | |
| VK_CANCEL = 0x30000 # 0x03 0x30000 # Break | |
| VK_CLEAR = 0xC0000 # 0x0C 0xC0000 # Clear | |
| VK_CRSEL = 0xF70000 # 0xF7 0xF70000 # Cr Sel | |
| VK_DECIMAL = 0x6E0000 # 0x6E 0x6E0000 # Numpad . | |
| VK_DIVIDE = 0x6F0000 # 0x6F 0x6F0000 # Numpad / | |
| VK_EREOF = 0xF90000 # 0xF9 0xF90000 # Er Eof | |
| VK_ESCAPE = 0x1B0000 # 0x1B 0x1B0000 # Esc | |
| VK_EXECUTE = 0x2B0000 # 0x2B 0x2B0000 # Execute | |
| VK_EXSEL = 0xF80000 # 0xF8 0xF80000 # Ex Sel | |
| VK_ICO_CLEAR = 0xE60000 # 0xE6 0xE60000 # IcoClr | |
| VK_ICO_HELP = 0xE30000 # 0xE3 0xE30000 # IcoHlp | |
| VK_KEY_0 = 0x300000 # 0x30 0x300000 # ('0') 0 | |
| VK_KEY_1 = 0x310000 # 0x31 0x310000 # ('1') 1 | |
| VK_KEY_2 = 0x320000 # 0x32 0x320000 # ('2') 2 | |
| VK_KEY_3 = 0x330000 # 0x33 0x330000 # ('3') 3 | |
| VK_KEY_4 = 0x340000 # 0x34 0x340000 # ('4') 4 | |
| VK_KEY_5 = 0x350000 # 0x35 0x350000 # ('5') 5 | |
| VK_KEY_6 = 0x360000 # 0x36 0x360000 # ('6') 6 | |
| VK_KEY_7 = 0x370000 # 0x37 0x370000 # ('7') 7 | |
| VK_KEY_8 = 0x380000 # 0x38 0x380000 # ('8') 8 | |
| VK_KEY_9 = 0x390000 # 0x39 0x390000 # ('9') 9 | |
| VK_KEY_A = 0x410000 # 0x41 0x410000 # ('A') A | |
| VK_KEY_B = 0x420000 # 0x42 0x420000 # ('B') B | |
| VK_KEY_C = 0x430000 # 0x43 0x430000 # ('C') C | |
| VK_KEY_D = 0x440000 # 0x44 0x440000 # ('D') D | |
| VK_KEY_E = 0x450000 # 0x45 0x450000 # ('E') E | |
| VK_KEY_F = 0x460000 # 0x46 0x460000 # ('F') F | |
| VK_KEY_G = 0x470000 # 0x47 0x470000 # ('G') G | |
| VK_KEY_H = 0x480000 # 0x48 0x480000 # ('H') H | |
| VK_KEY_I = 0x490000 # 0x49 0x490000 # ('I') I | |
| VK_KEY_J = 0x4A0000 # 0x4A 0x4A0000 # ('J') J | |
| VK_KEY_K = 0x4B0000 # 0x4B 0x4B0000 # ('K') K | |
| VK_KEY_L = 0x4C0000 # 0x4C 0x4C0000 # ('L') L | |
| VK_KEY_M = 0x4D0000 # 0x4D 0x4D0000 # ('M') M | |
| VK_KEY_N = 0x4E0000 # 0x4E 0x4E0000 # ('N') N | |
| VK_KEY_O = 0x4F0000 # 0x4F 0x4F0000 # ('O') O | |
| VK_KEY_P = 0x500000 # 0x50 0x500000 # ('P') P | |
| VK_KEY_Q = 0x510000 # 0x51 0x510000 # ('Q') Q | |
| VK_KEY_R = 0x520000 # 0x52 0x520000 # ('R') R | |
| VK_KEY_S = 0x530000 # 0x53 0x530000 # ('S') S | |
| VK_KEY_T = 0x540000 # 0x54 0x540000 # ('T') T | |
| VK_KEY_U = 0x550000 # 0x55 0x550000 # ('U') U | |
| VK_KEY_V = 0x560000 # 0x56 0x560000 # ('V') V | |
| VK_KEY_W = 0x570000 # 0x57 0x570000 # ('W') W | |
| VK_KEY_X = 0x580000 # 0x58 0x580000 # ('X') X | |
| VK_KEY_Y = 0x590000 # 0x59 0x590000 # ('Y') Y | |
| VK_KEY_Z = 0x5A0000 # 0x5A 0x5A0000 # ('Z') Z | |
| VK_MULTIPLY = 0x6A0000 # 0x6A 0x6A0000 # Numpad * | |
| VK_NONAME = 0xFC0000 # 0xFC 0xFC0000 # NoName | |
| VK_NUMPAD0 = 0x600000 # 0x60 0x600000 # Numpad 0 | |
| VK_NUMPAD1 = 0x610000 # 0x61 0x610000 # Numpad 1 | |
| VK_NUMPAD2 = 0x620000 # 0x62 0x620000 # Numpad 2 | |
| VK_NUMPAD3 = 0x630000 # 0x63 0x630000 # Numpad 3 | |
| VK_NUMPAD4 = 0x640000 # 0x64 0x640000 # Numpad 4 | |
| VK_NUMPAD5 = 0x650000 # 0x65 0x650000 # Numpad 5 | |
| VK_NUMPAD6 = 0x660000 # 0x66 0x660000 # Numpad 6 | |
| VK_NUMPAD7 = 0x670000 # 0x67 0x670000 # Numpad 7 | |
| VK_NUMPAD8 = 0x680000 # 0x68 0x680000 # Numpad 8 | |
| VK_NUMPAD9 = 0x690000 # 0x69 0x690000 # Numpad 9 | |
| VK_OEM_1 = 0xBA0000 # 0xBA 0xBA0000 # OEM_1 (: | |
| VK_OEM_102 = 0xE20000 # 0xE2 0xE20000 # OEM_102 (> | |
| VK_OEM_2 = 0xBF0000 # 0xBF 0xBF0000 # OEM_2 (? | |
| VK_OEM_3 = 0xC00000 # 0xC0 0xC00000 # OEM_3 (~ | |
| VK_OEM_4 = 0xDB0000 # 0xDB 0xDB0000 # OEM_4 ({ | |
| VK_OEM_5 = 0xDC0000 # 0xDC 0xDC0000 # OEM_5 (| | |
| VK_OEM_6 = 0xDD0000 # 0xDD 0xDD0000 # OEM_6 (} | |
| VK_OEM_7 = 0xDE0000 # 0xDE 0xDE0000 # OEM_7 (" | |
| VK_OEM_8 = 0xDF0000 # 0xDF 0xDF0000 # OEM_8 (§ | |
| VK_OEM_ATTN = 0xF00000 # 0xF0 0xF00000 # Oem Attn | |
| VK_OEM_AUTO = 0xF30000 # 0xF3 0xF30000 # Auto | |
| VK_OEM_AX = 0xE10000 # 0xE1 0xE10000 # Ax | |
| VK_OEM_BACKTAB = 0xF50000 # 0xF5 0xF50000 # Back Tab | |
| VK_OEM_CLEAR = 0xFE0000 # 0xFE 0xFE0000 # OemClr | |
| VK_OEM_COMMA = 0xBC0000 # 0xBC 0xBC0000 # OEM_COMMA (< | |
| VK_OEM_COPY = 0xF20000 # 0xF2 0xF20000 # Copy | |
| VK_OEM_CUSEL = 0xEF0000 # 0xEF 0xEF0000 # Cu Sel | |
| VK_OEM_ENLW = 0xF40000 # 0xF4 0xF40000 # Enlw | |
| VK_OEM_FINISH = 0xF10000 # 0xF1 0xF10000 # Finish | |
| VK_OEM_FJ_LOYA = 0x950000 # 0x95 0x950000 # Loya | |
| VK_OEM_FJ_MASSHOU = 0x930000 # 0x93 0x930000 # Mashu | |
| VK_OEM_FJ_ROYA = 0x960000 # 0x96 0x960000 # Roya | |
| VK_OEM_FJ_TOUROKU = 0x940000 # 0x94 0x940000 # Touroku | |
| VK_OEM_JUMP = 0xEA0000 # 0xEA 0xEA0000 # Jump | |
| VK_OEM_MINUS = 0xBD0000 # 0xBD 0xBD0000 # OEM_MINUS (_ | |
| VK_OEM_PA1 = 0xEB0000 # 0xEB 0xEB0000 # OemPa1 | |
| VK_OEM_PA2 = 0xEC0000 # 0xEC 0xEC0000 # OemPa2 | |
| VK_OEM_PA3 = 0xED0000 # 0xED 0xED0000 # OemPa3 | |
| VK_OEM_PERIOD = 0xBE0000 # 0xBE 0xBE0000 # OEM_PERIOD (> | |
| VK_OEM_PLUS = 0xBB0000 # 0xBB 0xBB0000 # OEM_PLUS (+ | |
| VK_OEM_RESET = 0xE90000 # 0xE9 0xE90000 # Reset | |
| VK_OEM_WSCTRL = 0xEE0000 # 0xEE 0xEE0000 # WsCtrl | |
| VK_PA1 = 0xFD0000 # 0xFD 0xFD0000 # Pa1 | |
| VK_PACKET = 0xE70000 # 0xE7 0xE70000 # Packet | |
| VK_PLAY = 0xFA0000 # 0xFA 0xFA0000 # Play | |
| VK_PROCESSKEY = 0xE50000 # 0xE5 0xE50000 # Process | |
| VK_RETURN = 0xD0000 # 0x0D 0xD0000 # Enter | |
| VK_SELECT = 0x290000 # 0x29 0x290000 # Select | |
| VK_SEPARATOR = 0x6C0000 # 0x6C 0x6C0000 # Separator | |
| VK_SPACE = 0x200000 # 0x20 0x200000 # Space | |
| VK_SUBTRACT = 0x6D0000 # 0x6D 0x6D0000 # Num - | |
| VK_TAB = 0x90000 # 0x09 0x90000 # Tab | |
| VK_ZOOM = 0xFB0000 # 0xFB 0xFB0000 # Zoom | |
| VK__none_ = 0xFF0000 # 0xFF 0xFF0000 # no VK | |
| VK_ACCEPT = 0x1E0000 # 0x1E 0x1E0000 # Accept | |
| VK_APPS = 0x5D0000 # 0x5D 0x5D0000 # Context Menu | |
| VK_BROWSER_BACK = 0xA60000 # 0xA6 0xA60000 # Browser Back | |
| VK_BROWSER_FAVORITES = 0xAB0000 # 0xAB 0xAB0000 # Browser Favorites | |
| VK_BROWSER_FORWARD = 0xA70000 # 0xA7 0xA70000 # Browser Forward | |
| VK_BROWSER_HOME = 0xAC0000 # 0xAC 0xAC0000 # Browser Home | |
| VK_BROWSER_REFRESH = 0xA80000 # 0xA8 0xA80000 # Browser Refresh | |
| VK_BROWSER_SEARCH = 0xAA0000 # 0xAA 0xAA0000 # Browser Search | |
| VK_BROWSER_STOP = 0xA90000 # 0xA9 0xA90000 # Browser Stop | |
| VK_CAPITAL = 0x140000 # 0x14 0x140000 # Caps Lock | |
| VK_CONVERT = 0x1C0000 # 0x1C 0x1C0000 # Convert | |
| VK_DELETE = 0x2E0000 # 0x2E 0x2E0000 # Delete | |
| VK_DOWN = 0x280000 # 0x28 0x280000 # Arrow Down | |
| VK_END = 0x230000 # 0x23 0x230000 # End | |
| VK_F1 = 0x700000 # 0x70 0x700000 # F1 | |
| VK_F10 = 0x790000 # 0x79 0x790000 # F10 | |
| VK_F11 = 0x7A0000 # 0x7A 0x7A0000 # F11 | |
| VK_F12 = 0x7B0000 # 0x7B 0x7B0000 # F12 | |
| VK_F13 = 0x7C0000 # 0x7C 0x7C0000 # F13 | |
| VK_F14 = 0x7D0000 # 0x7D 0x7D0000 # F14 | |
| VK_F15 = 0x7E0000 # 0x7E 0x7E0000 # F15 | |
| VK_F16 = 0x7F0000 # 0x7F 0x7F0000 # F16 | |
| VK_F17 = 0x800000 # 0x80 0x800000 # F17 | |
| VK_F18 = 0x810000 # 0x81 0x810000 # F18 | |
| VK_F19 = 0x820000 # 0x82 0x820000 # F19 | |
| VK_F2 = 0x710000 # 0x71 0x710000 # F2 | |
| VK_F20 = 0x830000 # 0x83 0x830000 # F20 | |
| VK_F21 = 0x840000 # 0x84 0x840000 # F21 | |
| VK_F22 = 0x850000 # 0x85 0x850000 # F22 | |
| VK_F23 = 0x860000 # 0x86 0x860000 # F23 | |
| VK_F24 = 0x870000 # 0x87 0x870000 # F24 | |
| VK_F3 = 0x720000 # 0x72 0x720000 # F3 | |
| VK_F4 = 0x730000 # 0x73 0x730000 # F4 | |
| VK_F5 = 0x740000 # 0x74 0x740000 # F5 | |
| VK_F6 = 0x750000 # 0x75 0x750000 # F6 | |
| VK_F7 = 0x760000 # 0x76 0x760000 # F7 | |
| VK_F8 = 0x770000 # 0x77 0x770000 # F8 | |
| VK_F9 = 0x780000 # 0x78 0x780000 # F9 | |
| VK_FINAL = 0x180000 # 0x18 0x180000 # Final | |
| VK_HELP = 0x2F0000 # 0x2F 0x2F0000 # Help | |
| VK_HOME = 0x240000 # 0x24 0x240000 # Home | |
| VK_ICO_00 = 0xE40000 # 0xE4 0xE40000 # Ico00 * | |
| VK_INSERT = 0x2D0000 # 0x2D 0x2D0000 # Insert | |
| VK_JUNJA = 0x170000 # 0x17 0x170000 # Junja | |
| VK_KANA = 0x150000 # 0x15 0x150000 # Kana | |
| VK_KANJI = 0x190000 # 0x19 0x190000 # Kanji | |
| VK_LAUNCH_APP1 = 0xB60000 # 0xB6 0xB60000 # App1 | |
| VK_LAUNCH_APP2 = 0xB70000 # 0xB7 0xB70000 # App2 | |
| VK_LAUNCH_MAIL = 0xB40000 # 0xB4 0xB40000 # Mail | |
| VK_LAUNCH_MEDIA_SELECT = 0xB50000 # 0xB5 0xB50000 # Media | |
| VK_LBUTTON = 0x10000 # 0x01 0x10000 # Left Button | |
| VK_LCONTROL = 0xA20000 # 0xA2 0xA20000 # Left Ctrl | |
| VK_LEFT = 0x250000 # 0x25 0x250000 # Arrow Left | |
| VK_LMENU = 0xA40000 # 0xA4 0xA40000 # Left Alt | |
| VK_LSHIFT = 0xA00000 # 0xA0 0xA00000 # Left Shift | |
| VK_LWIN = 0x5B0000 # 0x5B 0x5B0000 # Left Win | |
| VK_MBUTTON = 0x40000 # 0x04 0x40000 # Middle Button | |
| VK_MEDIA_NEXT_TRACK = 0xB00000 # 0xB0 0xB00000 # Next Track | |
| VK_MEDIA_PLAY_PAUSE = 0xB30000 # 0xB3 0xB30000 # Play / | |
| VK_MEDIA_PREV_TRACK = 0xB10000 # 0xB1 0xB10000 # Previous Track | |
| VK_MEDIA_STOP = 0xB20000 # 0xB2 0xB20000 # Stop | |
| VK_MODECHANGE = 0x1F0000 # 0x1F 0x1F0000 # Mode Change | |
| VK_NEXT = 0x220000 # 0x22 0x220000 # Page Down | |
| VK_NONCONVERT = 0x1D0000 # 0x1D 0x1D0000 # Non Convert | |
| VK_NUMLOCK = 0x900000 # 0x90 0x900000 # Num Lock | |
| VK_OEM_FJ_JISHO = 0x920000 # 0x92 0x920000 # Jisho | |
| VK_PAUSE = 0x130000 # 0x13 0x130000 # Pause | |
| VK_PRINT = 0x2A0000 # 0x2A 0x2A0000 # Print | |
| VK_PRIOR = 0x210000 # 0x21 0x210000 # Page Up | |
| VK_RBUTTON = 0x20000 # 0x02 0x20000 # Right Button | |
| VK_RCONTROL = 0xA30000 # 0xA3 0xA30000 # Right Ctrl | |
| VK_RIGHT = 0x270000 # 0x27 0x270000 # Arrow Right | |
| VK_RMENU = 0xA50000 # 0xA5 0xA50000 # Right Alt | |
| VK_RSHIFT = 0xA10000 # 0xA1 0xA10000 # Right Shift | |
| VK_RWIN = 0x5C0000 # 0x5C 0x5C0000 # Right Win | |
| VK_SCROLL = 0x910000 # 0x91 0x910000 # Scrol Lock | |
| VK_SLEEP = 0x5F0000 # 0x5F 0x5F0000 # Sleep | |
| VK_SNAPSHOT = 0x2C0000 # 0x2C 0x2C0000 # Print Screen | |
| VK_UP = 0x260000 # 0x26 0x260000 # Arrow Up | |
| VK_VOLUME_DOWN = 0xAE0000 # 0xAE 0xAE0000 # Volume Down | |
| VK_VOLUME_MUTE = 0xAD0000 # 0xAD 0xAD0000 # Volume Mute | |
| VK_VOLUME_UP = 0xAF0000 # 0xAF 0xAF0000 # Volume Up | |
| VK_XBUTTON1 = 0x50000 # 0x05 0x50000 # X Button | |
| VK_XBUTTON2 = 0x60000 # 0x06 0x60000 # X Button | |
| """ | |
| geiger_bulb._master_brightness = m_cv2.Key.step( | |
| geiger_bulb._master_brightness, cv2_key, m_cv2.Key.VK_UP, m_cv2.Key.VK_DOWN, 1/10, True, 0, 1 | |
| ) | |
| """ | |
| def step(value, cv2_key, key_up, key_down, step, b_clamp, value_min, value_max): | |
| if cv2_key == key_up: | |
| value += step | |
| elif cv2_key == key_down: | |
| value -= step | |
| if b_clamp: | |
| value = np.clip(value, value_min, value_max) | |
| print(m_system.func(), "{:.6f}".format(value)) | |
| return value | |
| ### class Key ### |
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