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feat(LVGL port): Generate C arrays for images during build process
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components/esp_lvgl_port/examples/touchscreen/main/CMakeLists.txt
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idf_component_register(SRCS "main.c" | ||
INCLUDE_DIRS ".") | ||
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lvgl_port_create_c_image("images/esp_logo.png" "images/" "ARGB8888" "NONE") | ||
lvgl_port_add_images(${COMPONENT_LIB} "images/") |
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components/esp_lvgl_port/examples/touchscreen/main/images/.gitignore
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*.c |
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components/esp_lvgl_port/examples/touchscreen/main/images/esp_logo.png
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# lvgl_port_create_c_image | ||
# | ||
# Create a C array of image for using with LVGL | ||
function(lvgl_port_create_c_image image_path output_path color_format compression) | ||
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#Get LVGL version | ||
idf_component_get_property(lvgl_ver lvgl__lvgl COMPONENT_VERSION) | ||
set(LVGL_NAME "lvgl__lvgl") | ||
if(lvgl_ver EQUAL "") | ||
idf_component_get_property(lvgl_ver lvgl COMPONENT_VERSION) | ||
set(LVGL_NAME "lvgl") | ||
endif() | ||
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get_filename_component(image_full_path ${image_path} ABSOLUTE) | ||
get_filename_component(output_full_path ${output_path} ABSOLUTE) | ||
if(NOT EXISTS ${image_full_path}) | ||
message(FATAL_ERROR "Input image (${image_full_path}) not exists!") | ||
endif() | ||
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message(STATUS "Generating C array image: ${image_path}") | ||
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#Create C array image by LVGL version | ||
if(lvgl_ver VERSION_LESS "9.0.0") | ||
execute_process(COMMAND git clone https://github.com/W-Mai/lvgl_image_converter.git "${CMAKE_BINARY_DIR}/lvgl_image_converter") | ||
execute_process(COMMAND pip install -r "${CMAKE_BINARY_DIR}/lvgl_image_converter/requirements.txt") | ||
execute_process(COMMAND ${PYTHON} "${CMAKE_BINARY_DIR}/lvgl_image_converter/lv_img_conv.py" | ||
-ff C | ||
-f true_color_alpha | ||
-cf RGB565 | ||
-o ${output_full_path} | ||
${image_full_path}) | ||
else() | ||
idf_component_get_property(lvgl_dir ${LVGL_NAME} COMPONENT_DIR) | ||
get_filename_component(script_path ${lvgl_dir}/scripts/LVGLImage.py ABSOLUTE) | ||
set(lvglimage_py ${PYTHON} ${script_path}) | ||
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#Install dependencies | ||
execute_process(COMMAND pip3 install pypng) | ||
execute_process(COMMAND pip3 install lz4) | ||
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execute_process(COMMAND ${lvglimage_py} | ||
--ofmt=C | ||
--cf=${color_format} | ||
--compress=${compression} | ||
-o ${output_full_path} | ||
${image_full_path}) | ||
endif() | ||
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endfunction() | ||
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# lvgl_port_add_images | ||
# | ||
# Add all images to build | ||
function(lvgl_port_add_images component output_path) | ||
#Add images to sources | ||
file(GLOB_RECURSE IMAGE_SOURCES ${output_path}*.c) | ||
target_sources(${component} PRIVATE ${IMAGE_SOURCES}) | ||
idf_build_set_property(COMPILE_OPTIONS "-DLV_LVGL_H_INCLUDE_SIMPLE=1" APPEND) | ||
endfunction() |
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*.c |
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idf_component_register(SRCS "display_main.c" "esp_logo.c" "esp_text.c" "lvgl_demo_ui.c" | ||
idf_component_register(SRCS "display_main.c" "lvgl_demo_ui.c" | ||
INCLUDE_DIRS ".") | ||
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if(COMMAND lvgl_port_create_c_image) | ||
lvgl_port_create_c_image("images/esp_logo.png" "images/" "ARGB8888" "NONE") | ||
lvgl_port_create_c_image("images/esp_text.png" "images/" "ARGB8888" "NONE") | ||
lvgl_port_add_images(${COMPONENT_LIB} "images/") | ||
else() | ||
file(GLOB_RECURSE IMAGE_SOURCES images/*.c) | ||
target_sources(${COMPONENT_LIB} PRIVATE ${IMAGE_SOURCES}) | ||
idf_build_set_property(COMPILE_OPTIONS "-DLV_LVGL_H_INCLUDE_SIMPLE=1" APPEND) | ||
endif() |
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