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Fix white lines, generate images for border printing

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This commit is contained in:
henriquenakashima 2023-07-13 14:36:00 -04:00
parent 088181085e
commit b0eabd1297
3 changed files with 49 additions and 27 deletions
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40
card_images.py
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@ -2,13 +2,18 @@ from pathlib import Path
from PIL import Image
from base_proxy import LEAVE_BLEED_INCHES
from base_proxy import BASE_DIR
from sheet_layout import SheetLayout, CardImageTransfer
W_INCHES_EXPECTED = 2.72
H_INCHES_EXPECTED = 3.7
BLEED_INCHES_EXPECTED = 0.12
SAVE_INTERMEDIATE_FOR_DEBUG = False
def make_intermediate_name(input_path: Path, infix: str):
return BASE_DIR / 'cropped_cards' / f'{input_path.stem}.{infix}.jpg'
class InputCardImage:
@ -28,30 +33,43 @@ class InputCardImage:
if dpi_by_h != dpi_by_w:
print(f'By height dpi is different: {dpi_by_h} dpi')
self.input_dpi = dpi_by_w
self.original_im = im
self.original_im = rgb_im
def get_cropped_and_resized(self, layout: SheetLayout, transfer: CardImageTransfer) -> Image:
new_dpi = layout.dpi
self.load()
im = self.original_im
print(f'Input is {im.size[0]} x {im.size[1]}')
# Resize to match sheet DPI
new_w = layout.in_to_px(W_INCHES_EXPECTED)
new_h = layout.in_to_px(H_INCHES_EXPECTED)
print(f'Resized input to {new_w} x {new_h}')
im = im.resize((new_w, new_h), resample=Image.Resampling.LANCZOS)
if SAVE_INTERMEDIATE_FOR_DEBUG:
im.save(make_intermediate_name(self.path, 'step1resize'), 'JPEG', dpi=(layout.dpi, layout.dpi), quality=100, subsampling=0)
# Crop
top_bleed, bottom_bleed, left_bleed, right_bleed = transfer.bleeds
crop_pixels_leaving_bleed = layout.in_to_px(BLEED_INCHES_EXPECTED - LEAVE_BLEED_INCHES)
crop_pixels_no_bleed = layout.in_to_px(BLEED_INCHES_EXPECTED)
top_crop = crop_pixels_leaving_bleed if top_bleed else crop_pixels_no_bleed
bottom_crop = crop_pixels_leaving_bleed if bottom_bleed else crop_pixels_no_bleed
left_crop = crop_pixels_leaving_bleed if left_bleed else crop_pixels_no_bleed
right_crop = crop_pixels_leaving_bleed if right_bleed else crop_pixels_no_bleed
left = (new_w - layout.card_w) // 2
right = left + layout.card_w
top = (new_h - layout.card_h) // 2
bottom = top + layout.card_h
if transfer.bleeds[0]:
top -= layout.leave_bleed
if transfer.bleeds[1]:
bottom += layout.leave_bleed
if transfer.bleeds[2]:
left -= layout.leave_bleed
if transfer.bleeds[3]:
right += layout.leave_bleed
# Crop
crop_box = (left_crop, top_crop, new_w - right_crop, new_h - bottom_crop)
crop_box = (left, top, right, bottom)
print(f'Cropped box {crop_box}')
im = im.crop(crop_box)
if SAVE_INTERMEDIATE_FOR_DEBUG:
im.save(make_intermediate_name(self.path, 'step2crop'), 'JPEG', dpi=(layout.dpi, layout.dpi), quality=100, subsampling=0)
return im