Method CheckDimensions

security/checker.go:53–70

CheckDimensions checks if the given dimensions are within the allowed limits

(o *options.Options, width, height, frames int)

// CheckDimensions checks if the given dimensions are within the allowed limits
func (s *Checker) CheckDimensions(o *options.Options, width, height, frames int) error {
	frames = max(frames, 1)

	maxFrameRes := s.MaxAnimationFrameResolution(o)

	if frames > 1 && maxFrameRes > 0 {
		if width*height > maxFrameRes {
			return newImageResolutionError("Source image frame resolution is too big")
		}
		return nil
	}

	if width*height*frames > s.MaxSrcResolution(o) {
		return newImageResolutionError("Source image resolution is too big")
	}

	return nil
}