Expected results: Only a 5x5 pixels region is black. Actual results: A 200x200 pixels region is black. Clearly I'm not using Flutter correctly, but this behavior really doesn't make much sense. [√] ...

The image shouldn't lose that much quality, compare it to the html renderer: Actual results: 150/250/500. Zoomed canvas small image(3x): Both small images are the same size, but canvas just can't ...