nuttx-apps/graphics/littlevgl/Kconfig

#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#

menuconfig GRAPHICS_LVGL
	bool "Littlev Graphic Library (LVGL)"
	default n
	---help---
		Enable support for the LVGL GUI libray.

if GRAPHICS_LVGL

config LV_MEM_SIZE
	int "Heap size of the graphics library"
	default 32768
	---help---
		The size of a memory pool where the grapohisc library
		dynamically allocates data

menu "Graphics settings"

config LV_HOR_RES
	int "Horizontal resolution."
	default 320
	---help---
		Number of pixels in horizontally.

config LV_VER_RES
	int "Vertical resolution."
	default 240
	---help---
		Number of pixels vertically. Double it if anti aliasing is used

config LV_DPI
	int "DPI (px/inch)"
	default 100
	---help---
		Number of pixels in 1 inch

config LV_VDB_SIZE
	int "Size of the internal graphics buffer (VDB) (0: no buffering)"
	default 10240

if LV_VDB_SIZE != 0

config LV_VDB_ADR
	int "Internal buffer's (VDB) memory address. 0: allocate automatically"
	default 0
	---help---
		You can place the graphics buffer int a specific memory location.
		E.g. into a mapped external RAM
		Zero to allocate automatically into the RAM
		Note: it's slower to access the data from a external memory

config LV_VDB_DOUBLE
	bool "Use 2 internal buffers. One to render and an other to flush data to frame buffer in background"
	default n
	---help---
		Enable to use one buffer for rendering an other to flush the
		ready content to the frame buffer.
		The flushing should be done by a hardware modul (e.g. DMA) to
		make rendering and flushing parallel

if LV_VDB_DOUBLE

config LV_VDB2_ADR
	int "Second internal buffer's (VDB) memory address. 0: allocate automatically"
	default 0
	---help---
		Similarly to LV_VDB_ADR. the second VDB address can be specified as well.
endif   # LV_VDB_DOUBLE

config LV_ANTIALIAS
	bool "Anti aliasing of the screen"
	default n

endif # LV_VDB_SIZE != 0

config LV_REFR_PERIOD
	int "Refresh period in milliseconds"
	default 50
	---help---
		The graphics library will check for invalid areas an refresh
		them with this period time

config LV_INV_FIFO_SIZE
	int "Average number of object on the screen"
	default 32
	---help---
		If too much area is invalidated (greater then this number) then
		the whole screen will be refreshed

endmenu

menu "Input device settings"

config LV_INDEV_READ_PERIOD
	int "Input device read period in milliseconds"
	default 50

config LV_INDEV_POINT_MARKER
	int "Mark the pressed points on the screen"
	default 0

config LV_INDEV_DRAG_LIMIT
	int "Drag limit in pixels"
	default 10

config LV_INDEV_DRAG_THROW
	int "Slow down ration when throwing on object by drag [%]"
	default 20

config LV_INDEV_LONG_PRESS_TIME
	int "Long press time [ms]"
	default 400

config LV_INDEV_LONG_PRESS_REP_TIME
	int "Repeated trigger period in long press [ms]"
	default 100

endmenu

menu "Color settings"

config LV_COLOR_DEPTH
	int "Color depth (8/16/24)"
	default 16

config LV_COLOR_TRANSP
	hex "Chroma key color (pixels with this color will be transparent on images)"
	default 0x00ff00

endmenu

menu "Text (font) settings"

config LV_TXT_UTF8
	bool "Unicode support"
	default n

config LV_TXT_BREAK_CHARS
	string "Characters where the words/line cab be wrapped"
	default " ,.;:-_"

endmenu

menu "Feature usage"
config USE_LV_ANIMATION
	bool "Enable animations"
	default y

config USE_LV_SHADOW
	bool "Enable shadows"
	default y

config USE_LV_GROUP
	bool "Enable object groups (for keyboard)"
	default y

config USE_LV_GPU
	bool "Enable GPU (hardware acceleration) API"
	default y

config USE_LV_REAL_DRAW
	bool "Enable function which draw directly to the frame buffer instead of VDB"
	default y

config USE_LV_FILESYSTEM
	bool "Enable filesystem (required for images, lv_img)"
	default y
endmenu

menu "Theme usage"

config USE_LV_THEME_TEMPL
	bool "Use Template theme: just for test"
	default n

config USE_LV_THEME_DEFAULT
	bool "Use Default theme: uses the built-in style"
	default n

config USE_LV_THEME_ALIEN
	bool "Use Alien theme: dark futuristic theme"
	default n

config USE_LV_THEME_NIGHT
	bool "Use Night theme: dark elegant theme"
	default n

config USE_LV_THEME_MONO
	bool "Use Mono theme: mono color theme"
	default n
	
config USE_LV_THEME_MATERIAL
	bool "Use Mono theme: material theme with bold colors"
	default n
	
config USE_LV_THEME_ZEN
	bool "Use Mono theme: light, peaceful theme"
	default n

endmenu

menu "Font usage"

# 10 PX FONTS

config USE_LV_FONT_DEJAVU_10
	int "Dejavu 10 px"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_DEJAVU_10_LATIN_SUP
	int "Dejavu 10 px - latin supplement"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_DEJAVU_10_CYRILLIC
	int "Dejavu 10 px - cyrillic"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_SYMBOL_10
	int "Symbol 10 px"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

#20 PX FONTS

config USE_LV_FONT_DEJAVU_20
	int "Dejavu 20 px"
	default 4
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_DEJAVU_20_LATIN_SUP
	int "Dejavu 20 px - latin supplement"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_DEJAVU_20_CYRILLIC
	int "Dejavu 20 px - cyrillic"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_SYMBOL_20
	int "Symbol 20 px"
	default 4
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

#30 PX FONTS

config USE_LV_FONT_DEJAVU_30
	int "Dejavu 30 px"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_DEJAVU_30_LATIN_SUP
	int "Dejavu 30 px - latin supplement"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_DEJAVU_30_CYRILLIC
	int "Dejavu 30 px - cyrillic"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_SYMBOL_30
	int "Symbol 30 px"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

#40 PX FONTS

config USE_LV_FONT_DEJAVU_40
	int "Dejavu 40 px"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_DEJAVU_40_LATIN_SUP
	int "Dejavu 40 px - latin supplement"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_DEJAVU_40_CYRILLIC
	int "Dejavu 40 px - cyrillic"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel

config USE_LV_FONT_SYMBOL_40
	int "Symbol 40 px"
	default 0
	---help---
		0: disable
		1: 1 bit-per-pixel
		2: 2 bit-per-pixel
		4: 4 bit-per-pixel
		8: 8 bit-per-pixel
endmenu

menu "Base object settings"

config LV_OBJ_FREE_PTR
	bool "Free pointer enable/disable"
	default y

endmenu

menu "Object type usage settings"

config USE_LV_LABEL
	bool "Label usage"
	default y

config USE_LV_IMG
	bool "Image usage"
	default y

config USE_LV_LINE
	bool "Line usage"
	default y

config USE_LV_CONT
	bool "Container usage"
	default y

config USE_LV_PAGE
	bool "Page usage"
	default y

config USE_LV_WIN
	bool "Window usage"
	default y

config USE_LV_TABVIEW
	bool "Tabview usage"
	default y

config USE_LV_BAR
	bool "Bar usage"
	default y

config USE_LV_LMETER
	bool "Line meter usage"
	default y

config USE_LV_CHART
	bool "Chart usage"
	default y

config USE_LV_LED
	bool "LED usage"
	default y

config USE_LV_MBOX
	bool "Messagebox usage"
	default y

config USE_LV_TA
	bool "Text area usage"
	default y

config USE_LV_BTN
	bool "Button usage"
	default y

config USE_LV_BTNM
	bool "Button matrix usage"
	default y

config USE_LV_KB
	bool "Keyboard"
	default y

config USE_LV_CB
	bool "Chekbox usage"
	default y

config USE_LV_SW
	bool "Switch usage"
	default y

config USE_LV_LIST
	bool "List usage"
	default y

config USE_LV_DDLIST
	bool "Drop down list usage"
	default y

config USE_LV_ROLLER
	bool "Roller usage"
	default y

config USE_LV_SLIDER
	bool "Slider usage"
	default y

endmenu

endif # GRAPHICS_LVGL