Small improvement in generate-fonts.py following code review.

Add lv_img_conf in Docker image to build resources at build time.

src/CMakeLists.txt

@@ -940,6 +940,10 @@ add_custom_command(TARGET ${EXECUTABLE_NAME}
         COMMAND ${CMAKE_OBJCOPY} -O ihex ${EXECUTABLE_FILE_NAME}.out "${EXECUTABLE_FILE_NAME}.hex"
         COMMENT "post build steps for ${EXECUTABLE_FILE_NAME}")
 
+if(BUILD_RESOURCES)
+  add_dependencies(${EXECUTABLE_NAME} GenerateResources)
+endif()
+
 # Build binary intended to be used by bootloader
 set(EXECUTABLE_MCUBOOT_NAME "pinetime-mcuboot-app")
 set(EXECUTABLE_MCUBOOT_FILE_NAME ${EXECUTABLE_MCUBOOT_NAME}-${pinetime_VERSION_MAJOR}.${pinetime_VERSION_MINOR}.${pinetime_VERSION_PATCH})
@@ -973,6 +977,10 @@ add_custom_command(TARGET ${EXECUTABLE_MCUBOOT_NAME}
         COMMENT "post build steps for ${EXECUTABLE_MCUBOOT_FILE_NAME}"
         )
 
+if(BUILD_RESOURCES)
+  add_dependencies(${EXECUTABLE_MCUBOOT_NAME} GenerateResources)
+endif()
+
 if(BUILD_DFU)
   add_custom_command(TARGET ${EXECUTABLE_MCUBOOT_NAME}
           POST_BUILD
@@ -1127,7 +1135,9 @@ if(BUILD_DFU)
           )
 endif()
 
-add_subdirectory(resources)
+if(BUILD_RESOURCES)
+  add_subdirectory(resources)
+endif()
 
 
 # FLASH

src/resources/generate-fonts.py

@@ -20,7 +20,7 @@ class Source(object):
 
 def gen_lvconv_line(lv_font_conv: str, dest: str, size: int, bpp: int, format: str, sources: typing.List[Source], compress:bool=False):
     if format != "lvgl" and format != "bin":
-        format = "lvgl"
+        format = "bin" if dest.lower().endswith(".bin") else "lvgl"
 
     args = [lv_font_conv, '--size', str(size), '--output', dest, '--bpp', str(bpp), '--format', format]
     if not compress: