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"""Image Inset Crop, with percentages."""
from .log import log_node_info
from .constants import get_category, get_name
from nodes import MAX_RESOLUTION
def get_new_bounds(width, height, left, right, top, bottom):
"""Returns the new bounds for an image with inset crop data."""
left = 0 + left
right = width - right
top = 0 + top
bottom = height - bottom
return (left, right, top, bottom)
class RgthreeImageInsetCrop:
"""Image Inset Crop, with percentages."""
NAME = get_name('Image Inset Crop')
CATEGORY = get_category()
@classmethod
def INPUT_TYPES(cls): # pylint: disable = invalid-name, missing-function-docstring
return {
"required": {
"image": ("IMAGE",),
"measurement": (['Pixels', 'Percentage'],),
"left": ("INT", {
"default": 0,
"min": 0,
"max": MAX_RESOLUTION,
"step": 8
}),
"right": ("INT", {
"default": 0,
"min": 0,
"max": MAX_RESOLUTION,
"step": 8
}),
"top": ("INT", {
"default": 0,
"min": 0,
"max": MAX_RESOLUTION,
"step": 8
}),
"bottom": ("INT", {
"default": 0,
"min": 0,
"max": MAX_RESOLUTION,
"step": 8
}),
},
}
RETURN_TYPES = ("IMAGE",)
FUNCTION = "crop"
# pylint: disable = too-many-arguments
def crop(self, measurement, left, right, top, bottom, image=None):
"""Does the crop."""
_, height, width, _ = image.shape
if measurement == 'Percentage':
left = int(width - (width * (100 - left) / 100))
right = int(width - (width * (100 - right) / 100))
top = int(height - (height * (100 - top) / 100))
bottom = int(height - (height * (100 - bottom) / 100))
# Snap to 8 pixels
left = left // 8 * 8
right = right // 8 * 8
top = top // 8 * 8
bottom = bottom // 8 * 8
if left == 0 and right == 0 and bottom == 0 and top == 0:
return (image,)
inset_left, inset_right, inset_top, inset_bottom = get_new_bounds(width, height, left, right,
top, bottom)
if inset_top > inset_bottom:
raise ValueError(
f"Invalid cropping dimensions top ({inset_top}) exceeds bottom ({inset_bottom})")
if inset_left > inset_right:
raise ValueError(
f"Invalid cropping dimensions left ({inset_left}) exceeds right ({inset_right})")
log_node_info(
self.NAME, f'Cropping image {width}x{height} width inset by {inset_left},{inset_right}, ' +
f'and height inset by {inset_top}, {inset_bottom}')
image = image[:, inset_top:inset_bottom, inset_left:inset_right, :]
return (image,)
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