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Workflows
Coding workflows · Aspect-fit pixel boxes
03
A concrete starting point
Fit an image into a pixel box using integer dimensions from 1 through 1000000. Test portrait, landscape and odd padding, rejecting a subpixel result and rounding the scaled size down before centering.
Define the change
Describe the input, expected output and boundaries that must stay intact.
Inspect the work
Review the proposed edits and any commands before relying on their result.
Check the outcome
Compare actual behavior with the expected result. If a check fails, investigate it before applying more changes.
Aspect-fit pixel boxes
A concrete starting point
def fit_box(image_width, image_height, box_width, box_height):
values = (image_width,image_height,box_width,box_height)
if any(type(v) is not int or not 1 <= v <= 1000000 for v in values):
raise ValueError("dimensions 1 through 1000000")
if image_width*box_height > image_height*box_width:
width, height = box_width, image_height*box_width//image_width
else:
width, height = image_width*box_height//image_height, box_height
if not width or not height: raise ValueError("subpixel result")
return (box_width-width)//2, (box_height-height)//2, width, heightThe example is a starting point for a real project, not a claim that generated code is already tested. Adjust paths, dependencies and expected behavior to match your application.