lv_test_screenshot_compare.h

Functions

bool lv_test_screenshot_compare(const char *fn_ref)

Compare the current content of the test screen with a reference PNG image

  • If the reference image is not found it will be created automatically from the rendered screen.

  • If the compare fails an <image_name>_err.png file will be created with the rendered content next to the reference image.

It requires libPNG.

Parameters:

fn_ref – path to the reference image. Will be appended toREF_IMGS_PATH if set.

Returns:

true: the reference image and the display are the same; false: they are different (<image_name>_err.png is created).