-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathsheet_composer.py
More file actions
225 lines (194 loc) · 8.42 KB
/
Copy pathsheet_composer.py
File metadata and controls
225 lines (194 loc) · 8.42 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
import math
import bpy
from mathutils import Matrix
from .constants import MM_TO_M
from . import page_manager
from . import operators_content
from .imposition import impose_booklet, brochure_plan, validate_brochure_plan
SHEETS_ROOT = "GREASEPRESS_SHEETS"
SIDE_PREFIX = "GP_SIDE_"
MARK_PREFIX = "GP_MARK_"
def sheets_root(scene):
return bpy.data.collections.get(SHEETS_ROOT)
def ensure_sheets_root(scene):
root = sheets_root(scene)
if root is None:
root = bpy.data.collections.new(SHEETS_ROOT)
scene.collection.children.link(root)
elif root.name not in scene.collection.children:
try:
scene.collection.children.link(root)
except RuntimeError:
pass
root.hide_render = False
return root
def clear_generated_sheets(scene):
root = sheets_root(scene)
if root is None:
return
for child in list(root.children):
page_manager.remove_collection_recursive(child)
bpy.data.collections.remove(root)
def side_collections(scene):
root = sheets_root(scene)
return list(root.children) if root else []
def _copy_object(obj, target, transform):
operators_content.normalize_image_uv(obj)
duplicate = obj.copy()
if obj.data:
duplicate.data = obj.data.copy()
duplicate.animation_data_clear()
duplicate.matrix_world = transform @ obj.matrix_world
duplicate["greasepress_sheet_copy"] = True
duplicate["greasepress_source_object"] = obj.name
target.objects.link(duplicate)
return duplicate
def _line_object(name, points, target, cyclic=False):
curve = bpy.data.curves.new(name, type='CURVE')
curve.dimensions = '3D'
curve.bevel_depth = 0.00025
curve.bevel_resolution = 0
spline = curve.splines.new('POLY')
spline.points.add(len(points) - 1)
for point, co in zip(spline.points, points):
point.co = (*co, 1.0)
spline.use_cyclic_u = cyclic
obj = bpy.data.objects.new(name, curve)
obj["greasepress_sheet_mark"] = True
obj.hide_render = False
target.objects.link(obj)
return obj
def _add_marks(target, sheet_width, sheet_height, fold_positions, show_fold, show_trim):
z = 0.05
if show_fold:
for index, x in enumerate(fold_positions):
_line_object(f"{MARK_PREFIX}FOLD_{index}", [(x, -sheet_height/2, z), (x, sheet_height/2, z)], target)
if show_trim:
hw, hh = sheet_width/2, sheet_height/2
length = 0.006
for index, (sx, sy) in enumerate(((-1,-1),(1,-1),(1,1),(-1,1))):
x, y = sx*hw, sy*hh
_line_object(f"{MARK_PREFIX}TRIM_{index}_H", [(x, y-sy*0.002, z), (x-sx*length, y-sy*0.002, z)], target)
_line_object(f"{MARK_PREFIX}TRIM_{index}_V", [(x-sx*0.002, y, z), (x-sx*0.002, y-sy*length, z)], target)
def _new_side(root, index, sheet, side_name, width_mm, height_mm):
collection = bpy.data.collections.new(f"{SIDE_PREFIX}{index+1:03d}_S{sheet}_{side_name}")
collection["greasepress_sheet_side"] = True
collection["sheet_number"] = sheet
collection["side"] = side_name
collection["sheet_width_mm"] = width_mm
collection["sheet_height_mm"] = height_mm
root.children.link(collection)
return collection
def generate_booklet_sides(scene):
pages = page_manager.page_collections(scene)
if not pages:
raise ValueError("No pages available")
settings = scene.editorial_gp
plan = impose_booklet(len(pages))
if plan.blank_page_count and not settings.add_blank_pages:
raise ValueError("The page count is not divisible by four")
clear_generated_sheets(scene)
root = ensure_sheets_root(scene)
page_width_mm, page_height_mm = page_manager.page_dimensions_mm(scene)
page_width = page_width_mm * MM_TO_M
page_height = page_height_mm * MM_TO_M
gap = settings.sheet_gutter_mm * MM_TO_M
sheet_width = page_width * 2 + gap
sheet_height = page_height
for side_index, side in enumerate(plan.sides):
side_name = "FRONT" if side.side == "FRONT" else "BACK"
collection = _new_side(root, side_index, side.sheet, side_name, sheet_width/MM_TO_M, sheet_height/MM_TO_M)
collection["left_page"] = side.left or 0
collection["right_page"] = side.right or 0
rotate_back = side.side == "BACK" and settings.duplex_flip == 'LONG_EDGE'
base_rotation = Matrix.Rotation(math.pi if rotate_back else 0.0, 4, 'Z')
for slot, page_number in (("LEFT", side.left), ("RIGHT", side.right)):
slot_sign = -1.0 if slot == "LEFT" else 1.0
x = slot_sign * (page_width/2 + gap/2)
translation = Matrix.Translation((x, 0.0, 0.0))
transform = translation @ base_rotation if rotate_back else translation
if page_number is None:
collection[f"blank_{slot.lower()}"] = True
continue
source = pages[page_number - 1]
for obj in source.objects:
if obj.get("editorial_gp_guide"):
continue
duplicate = _copy_object(obj, collection, transform)
duplicate["greasepress_source_page"] = page_number
duplicate["greasepress_sheet_slot"] = slot
_add_marks(collection, sheet_width, sheet_height, [0.0], settings.show_fold_mark, settings.show_trim_marks)
show_side(scene, 0)
return plan
def generate_brochure_sides(scene):
pages = page_manager.page_collections(scene)
if not pages:
raise ValueError("No pages available")
settings = scene.editorial_gp
page_width_mm, page_height_mm = page_manager.page_dimensions_mm(scene)
inset_ratio = max(0.5, (page_width_mm - settings.fold_inset_mm) / page_width_mm)
plan = brochure_plan(settings.imposition_type, inset_ratio)
errors = validate_brochure_plan(plan, len(pages))
if errors:
raise ValueError(errors[0])
clear_generated_sheets(scene)
root = ensure_sheets_root(scene)
page_width = page_width_mm * MM_TO_M
page_height = page_height_mm * MM_TO_M
gap = settings.sheet_gutter_mm * MM_TO_M
for side_index, side in enumerate(plan.sides):
widths = [page_width * ratio for ratio in side.widths]
sheet_width = sum(widths) + gap * (len(widths)-1)
collection = _new_side(root, side_index, 1, side.side, sheet_width/MM_TO_M, page_height_mm)
collection["panel_pages"] = ",".join(str(p or 0) for p in side.panels)
collection["brochure_type"] = plan.kind
left_edge = -sheet_width / 2.0
fold_positions = []
cursor = left_edge
for panel_index, (page_number, panel_width) in enumerate(zip(side.panels, widths)):
center_x = cursor + panel_width/2
scale_x = panel_width/page_width
transform = Matrix.Translation((center_x, 0.0, 0.0)) @ Matrix.Scale(scale_x, 4, (1.0, 0.0, 0.0))
source = pages[page_number - 1]
for obj in source.objects:
if obj.get("editorial_gp_guide"):
continue
duplicate = _copy_object(obj, collection, transform)
duplicate["greasepress_source_page"] = page_number
duplicate["greasepress_panel_index"] = panel_index
cursor += panel_width
if panel_index < len(widths)-1:
fold_positions.append(cursor + gap/2)
cursor += gap
_add_marks(collection, sheet_width, page_height, fold_positions, settings.show_fold_mark, settings.show_trim_marks)
show_side(scene, 0)
return plan
def generate_sides(scene):
if scene.editorial_gp.imposition_type == 'BOOKLET':
return generate_booklet_sides(scene)
return generate_brochure_sides(scene)
def show_side(scene, index):
sides = side_collections(scene)
if not sides:
scene.editorial_gp.current_sheet_side = 0
return None
index = min(max(index, 0), len(sides)-1)
scene.editorial_gp.current_sheet_side = index
for i, side in enumerate(sides):
side.hide_viewport = i != index
side.hide_render = i != index
root = page_manager.get_root(scene)
if root:
root.hide_viewport = True
root.hide_render = True
return sides[index]
def return_to_pages(scene):
root = page_manager.get_root(scene)
if root:
root.hide_viewport = False
root.hide_render = False
generated = sheets_root(scene)
if generated:
generated.hide_viewport = True
generated.hide_render = True
page_manager.set_active_page(scene, scene.editorial_gp.current_page_index)