Only external bleed
This commit is contained in:
henriquenakashima
parent
89e20fd61e
commit
088181085e
3 changed files with 165 additions and 73 deletions
159
sheet_layout.py
159
sheet_layout.py
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@ -1,10 +1,18 @@
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from typing import Tuple
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import dataclasses
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import math
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from typing import List, Tuple
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from base_proxy import CARD_W_INCHES, CARD_H_INCHES, LEAVE_BLEED_INCHES
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@dataclasses.dataclass
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class CardImageTransfer:
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topleft_dest: Tuple[int, int]
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bleeds: List[int]
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class SheetLayout:
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def __init__(self, dpi: int, w_inches: float, h_inches: float):
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def __init__(self, dpi: int, w_inches: float, h_inches: float, internal_bleed: bool):
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self.dpi = dpi
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self.card_w_inches = CARD_W_INCHES
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@ -17,66 +25,129 @@ class SheetLayout:
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self.w = self.in_to_px(self.w_inches)
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self.h = self.in_to_px(self.h_inches)
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self.leave_bleed = self.in_to_px(LEAVE_BLEED_INCHES)
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self.cropped_image_dest_w = self.card_w + self.leave_bleed * 2
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self.cropped_image_dest_h = self.card_h + self.leave_bleed * 2
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self.spacing_inches = 0.05
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self.spacing_inches = 0.05 if internal_bleed else 0
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self.spacing = self.in_to_px(self.spacing_inches)
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self.min_padding_inches = 0.12
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self.min_padding = self.in_to_px(self.min_padding_inches)
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self.cards_per_row = ((self.w - self.min_padding * 2 + self.spacing)
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// (self.cropped_image_dest_w + self.spacing))
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self.cards_per_column = ((self.h - self.min_padding * 2 + self.spacing)
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// (self.cropped_image_dest_h + self.spacing))
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self.cards_per_sheet = self.cards_per_row * self.cards_per_column
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paste_area_left_xs = []
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paste_area_right_xs = []
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card_area_left_xs = []
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card_area_right_xs = []
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cur_x = 0
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x_index = 0
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self.total_w_content = self.cropped_image_dest_w * self.cards_per_row + self.spacing * (self.cards_per_row - 1)
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self.total_h_content = self.cropped_image_dest_h * self.cards_per_column + self.spacing * (self.cards_per_column - 1)
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self.blank_space_w = (self.w - self.total_w_content) // 2
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self.blank_space_h = (self.h - self.total_h_content) // 2
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while True:
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paste_area_left = cur_x
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if x_index == 0 or internal_bleed:
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# Left side bleed
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card_area_left = cur_x + self.leave_bleed
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else:
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card_area_left = cur_x
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card_area_right = card_area_left + self.card_w
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if internal_bleed:
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# Right side bleed (added to last card of row in break block)
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paste_area_right = card_area_right + self.leave_bleed
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else:
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paste_area_right = card_area_right
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if paste_area_right >= self.w - 2 * self.min_padding - (self.leave_bleed if not internal_bleed else 0):
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if not internal_bleed:
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# Right side bleed of previous card
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paste_area_right_xs[-1] += self.leave_bleed
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self.cards_per_row = x_index
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self.total_w_content = paste_area_right_xs[-1]
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# Center content horizontally
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self.blank_space_w = (self.w - self.total_w_content) // 2
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self.paste_area_left_xs = [x + self.blank_space_w for x in paste_area_left_xs]
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self.paste_area_right_xs = [x + self.blank_space_w for x in paste_area_right_xs]
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self.card_area_left_xs = [x + self.blank_space_w for x in card_area_left_xs]
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self.card_area_right_xs = [x + self.blank_space_w for x in card_area_right_xs]
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break
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paste_area_left_xs.append(paste_area_left)
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paste_area_right_xs.append(paste_area_right)
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card_area_left_xs.append(card_area_left)
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card_area_right_xs.append(card_area_right)
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cur_x = paste_area_right + self.spacing
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x_index += 1
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paste_area_top_ys = []
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paste_area_bottom_ys = []
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card_area_top_ys = []
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card_area_bottom_ys = []
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cur_y = 0
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y_index = 0
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while True:
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paste_area_top = cur_y
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if y_index == 0 or internal_bleed:
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# Top bleed
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card_area_top = cur_y + self.leave_bleed
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else:
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card_area_top = cur_y
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card_area_bottom = card_area_top + self.card_h
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if internal_bleed:
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# Bottom bleed (added to last card of column in break block)
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paste_area_bottom = card_area_bottom + self.leave_bleed
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else:
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paste_area_bottom = card_area_bottom
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if paste_area_bottom >= self.h - 2 * self.min_padding - (self.leave_bleed if not internal_bleed else 0):
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if not internal_bleed:
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# Bottom bleed of previous card
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paste_area_bottom_ys[-1] += self.leave_bleed
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self.cards_per_column = y_index
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self.total_h_content = paste_area_bottom_ys[-1]
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# Center content vertically
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self.blank_space_h = (self.h - self.total_h_content) // 2
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self.paste_area_top_ys = [y + self.blank_space_h for y in paste_area_top_ys]
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self.paste_area_bottom_ys = [y + self.blank_space_h for y in paste_area_bottom_ys]
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self.card_area_top_ys = [y + self.blank_space_h for y in card_area_top_ys]
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self.card_area_bottom_ys = [y + self.blank_space_h for y in card_area_bottom_ys]
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break
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paste_area_top_ys.append(paste_area_top)
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paste_area_bottom_ys.append(paste_area_bottom)
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card_area_top_ys.append(card_area_top)
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card_area_bottom_ys.append(card_area_bottom)
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cur_y = paste_area_bottom + self.spacing
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y_index += 1
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self.cards_per_sheet = self.cards_per_row * self.cards_per_column
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print(self.__dict__)
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def in_to_px(self, inches: float) -> float:
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return round(inches * self.dpi)
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def top_of_row(self, y_index: int, with_bleed: bool) -> int:
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assert 0 <= y_index < self.cards_per_column
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top = self.blank_space_h + (self.cropped_image_dest_h + self.spacing) * y_index
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if not with_bleed:
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top += self.leave_bleed
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return top
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def create_card_image_transfer(self, y_index: int, x_index: int) -> CardImageTransfer:
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top_row = y_index == 0
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bottom_row = y_index == self.cards_per_column - 1
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left_col = x_index == 0
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right_col = x_index == self.cards_per_row - 1
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def bottom_of_row(self, y_index: int, with_bleed: bool) -> int:
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if with_bleed:
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return self.top_of_row(y_index, True) + self.cropped_image_dest_h
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else:
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return self.top_of_row(y_index, False) + self.card_h
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paste_x = self.paste_area_left_xs[x_index]
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paste_y = self.paste_area_top_ys[y_index]
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def left_of_column(self, x_index: int, with_bleed: bool) -> int:
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assert 0 <= x_index < self.cards_per_row
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left = self.blank_space_w + (self.cropped_image_dest_w + self.spacing) * x_index
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if not with_bleed:
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left += self.leave_bleed
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return left
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def right_of_column(self, x_index: int, with_bleed: bool) -> int:
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if with_bleed:
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return self.left_of_column(x_index, True) + self.cropped_image_dest_w
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else:
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return self.left_of_column(x_index, False) + self.card_w
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def topleft_of_card_with_bleed(self, y_index: int, x_index: int) -> Tuple[int, int]:
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x = self.left_of_column(x_index, with_bleed=True)
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y = self.top_of_row(y_index, with_bleed=True)
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return (x, y)
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bleeds = [
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self.leave_bleed if top_row else 0,
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self.leave_bleed if bottom_row else 0,
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self.leave_bleed if left_col else 0,
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self.leave_bleed if right_col else 0]
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return CardImageTransfer((paste_x, paste_y), bleeds)
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def letter_portrait_3x3_sheet_layout() -> SheetLayout:
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return SheetLayout(1200, 8.5, 11)
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return SheetLayout(1200, 8.5, 11, False)
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def letter_landscape_2x4_sheet_layout() -> SheetLayout:
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return SheetLayout(1200, 11, 8.5)
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return SheetLayout(1200, 11, 8.5, False)
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