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prop.py
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prop.py
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import bpy,math
import numpy
import numpy as np
from bpy.props import IntProperty, BoolProperty, EnumProperty, StringProperty,FloatProperty
from bpy.types import PropertyGroup
paper_presets = (
("custom_1_1", "Custom", ""),
("A0_84.1_118.9", "A0 (84.1x118.9 cm)", ""),
("A1_59.4_84.1", "A1 (59.4x84.1 cm)", ""),
("A2_42.0_59.4", "A2 (42.0x59.4 cm)", ""),
("A3_29.7_42.0", "A3 (29.7 42.0 cm)", ""),
("A4_21.0_29.7", "A4 (21.0x29.7 cm)", ""),
("A5_14.8_21.0", "A5 (14.8x21.0 cm)", ""),
("A6_10.5_14.8", "A6 (10.5x14.8 cm)", ""),
("A7_7.4_10.5", "A7 (7.4x10.5 cm)", ""),
("A8_5.2_7.4", "A8 (5.2x7.4 cm)", ""),
("A9_3.7_5.2", "A9 (3.7x5.2 cm)", ""),
("A10_2.6_3.7", "A10 (2.6x3.7 cm)", ""),
("B0_100.0_141.4", "B0 (100.0x141.4 cm)", ""),
("B1_70.7_100.0", "B1 (70.7x100.0 cm)", ""),
("B2_50.0_70.7", "B2 (50.0x70.7 cm)", ""),
("B3_35.3_50.0", "B3 (35.3x50.0 cm)", ""),
("B4_25.0_35.3", "B4 (25.0x35.3 cm)", ""),
("B5_17.6_25.0", "B5 (17.6x25.0 cm)", ""),
("B6_12.5_17.6", "B6 (12.5x17.6 cm)", ""),
("B7_8.8_12.5", "B7 (8.8x12.5 cm)", ""),
("B8_6.2_8.8", "B8 (6.2x8.8 cm)", ""),
("B9_4.4_6.2", "B9 (4.4x6.2 cm)", ""),
("B10_3.1_4.4", "B10 (3.1x4.4 cm)", ""),
("C0_91.7_129.7", "C0 (91.7x129.7 cm)", ""),
("C1_64.8_91.7", "C1 (64.8x91.7 cm)", ""),
("C2_45.8_64.8", "C2 (45.8x64.8 cm)", ""),
("C3_32.4_45.8", "C3 (32.4x45.8 cm)", ""),
("C4_22.9_32.4", "C4 (22.9x32.4 cm)", ""),
("C5_16.2_22.9", "C5 (16.2x22.9 cm)", ""),
("C6_11.4_16.2", "C6 (11.4x16.2 cm)", ""),
("C7_8.1_11.4", "C7 (8.1x11.4 cm)", ""),
("C8_5.7_8.1", "C8 (5.7x8.1 cm)", ""),
("C9_4.0_5.7", "C9 (4.0x5.7 cm)", ""),
("C10_2.8_4.0", "C10 (2.8x4.0 cm)", ""),
("Letter_21.6_27.9", "Letter (21.6x27.9 cm)", ""),
("Legal_21.6_35.6", "Legal (21.6x35.6 cm)", ""),
("Legal junior_20.3_12.7", "Legal junior (20.3x12.7 cm)", ""),
("Ledger_43.2_27.9", "Ledger (43.2x27.9 cm)", ""),
("Tabloid_27.9_43.2", "Tabloid (27.9x43.2 cm)", ""),
("ANSI C_43.2_55.9", "ANSI C (43.2x55.9 cm)", ""),
("ANSI D_55.9_86.4", "ANSI D (55.9x86.4 cm)", ""),
("ANSI E_86.4_111.8", "ANSI E (86.4x111.8 cm)", ""),
("Arch A_22.9_30.5", "Arch A (22.9x30.5 cm)", ""),
("Arch B_30.5_45.7", "Arch B (30.5x45.7 cm)", ""),
("Arch C_45.7_61.0", "Arch C (45.7x61.0 cm)", ""),
("Arch D_61.0_91.4", "Arch D (61.0x91.4 cm)", ""),
("Arch E_91.4_121.9", "Arch E (91.4x121.9 cm)", ""),
("Arch E1_76.2_106.7", "Arch E1 (76.2x106.7 cm)", ""),
("Arch E2_66.0_96.5", "Arch E2 (66.0x96.5 cm)", ""),
("Arch E3_68.6_99.1", "Arch E3 (68.6x99.1 cm)", ""),
)
def paper_enum_parse(idname):
tipo, dim_w, dim_h = idname.split("_")
return tipo, float(dim_w), float(dim_h)
paper_presets_data = {
idname: paper_enum_parse(idname)
for idname, name, descr in paper_presets
}
def pixels_from_print(ps):
tipo, dim_w, dim_h = paper_presets_data[ps.preset]
px=bpy.context.scene.render
if tipo == "custom":
if ps.unit_from == "CM_TO_PIXELS":
dim_w = ps.width
dim_h = ps.height
ps.width = dim_w
ps.height = dim_h
ps.px_x = round((ps.width * ps.dpi) / 2.54)
ps.px_y = round((ps.height * ps.dpi) / 2.54)
elif ps.unit_from == "PIXELS_TO_CM":
ps.width = (ps.px_x / ps.dpi) * 2.54
ps.height = (ps.px_y / ps.dpi) * 2.54
elif tipo != "custom" and ps.orientation=='Horizontal':#横宽
if ps.adaptive_scale:
if px.resolution_y>=px.resolution_x or px.resolution_y/px.resolution_x>=dim_h/dim_w:
ps.px_x = round(np.prod(np.array([ps.width ,ps.dpi,px.resolution_x])) / np.multiply(2.54,px.resolution_y))
ps.px_y = round(np.multiply(ps.height ,ps.dpi) / numpy.array(2.54)) #先求y
ps.width = np.multiply(dim_h, px.resolution_x) / np.array(px.resolution_y)
ps.height = dim_h
elif px.resolution_y/px.resolution_x<dim_h/dim_w:
# ps.px_y = round(np.multiply(ps.height , ps.dpi) / np.array(2.54))
ps.px_y = round(np.prod(np.array([ps.width , ps.dpi,px.resolution_y])) / np.multiply(2.54 , px.resolution_x))
ps.px_x = round(np.multiply(ps.width , ps.dpi) / np.array(2.54))
# ps.px_x = round((ps.height * ps.dpi) / 2.54 * px.resolution_x / px.resolution_y)
ps.height = dim_h * px.resolution_y / px.resolution_x
ps.width = dim_w
else:
ps.width = dim_h
ps.height = dim_w
ps.px_x = round((ps.width * ps.dpi) / 2.54)
ps.px_y = round((ps.height * ps.dpi) / 2.54)
elif tipo != "custom" and ps.orientation == "Vertical":#竖
if ps.adaptive_scale:
if px.resolution_x>=px.resolution_y or px.resolution_x/px.resolution_y>=dim_w/dim_h:
ps.px_x=round(np.multiply(ps.width ,ps.dpi) / numpy.array(2.54))
ps.px_y=round(np.prod(np.array([ps.width ,ps.dpi,px.resolution_y])) / np.multiply(2.54,px.resolution_x))
ps.width = dim_w
ps.height = np.multiply(dim_w,px.resolution_y) / np.array(px.resolution_x)
elif px.resolution_x/px.resolution_y<dim_w/dim_h:
pass
ps.px_y=round((ps.height * ps.dpi) / 2.54)
ps.px_x=round((ps.height * ps.dpi) / 2.54*px.resolution_x/px.resolution_y)
ps.width = dim_h* px.resolution_x / px.resolution_y
ps.height = dim_h
else:
ps.width = dim_w
ps.height = dim_h
ps.px_x = round((ps.width * ps.dpi) / 2.54)
ps.px_y = round((ps.height * ps.dpi) / 2.54)
def update_scale(s):
ps = bpy.context.scene.my_custom_properties
if ps.preset== "custom_1_1":
ps.adaptive_scale=False
ps.method='Accurate'
def update_settings_cb(self, context):
# annoying workaround for recursive call
if update_settings_cb.level is False:
update_settings_cb.level = True
pixels_from_print(self)
update_scale(self)
update_settings_cb.level = False
update_settings_cb.level = False
class MyCustomProperties(PropertyGroup):
unit_from: EnumProperty(
name="Set from",
description="Set from",
items=(
("CM_TO_PIXELS", "CM -> Pixel", "Centermeters to Pixels"),
("PIXELS_TO_CM", "Pixel -> CM", "Pixels to Centermeters")
),
default="CM_TO_PIXELS",
)
# 定义两个整型属性
px_x: IntProperty(
name="",
description="Final output x-axis pixels",
default=1920,
min=1,
max=999999,
update=update_settings_cb,
)
px_y: IntProperty(
name="",
description="Final output y-axis pixels",
default=1080,
min=1,
max=999999,
update=update_settings_cb,
)
dpi: IntProperty(
name="",
description="The number of pixels per inch",
default=72,
min=1,
max=2000,
soft_min = 0,
step=3,
soft_max = 300,
update=update_settings_cb,
)
width: FloatProperty(
name="",
description="Paper width",
default=21.0,
min=0.001,
max=999999.0,
soft_min = 0.0,
soft_max = 99.0,
step = 3,
precision = 2,
update=update_settings_cb,
)
height: FloatProperty(
name="",
description="Paper height",
default=29.7,
min=0.001,
max=999999.0,
soft_min=0.0,
soft_max=99.0,
step=3,
precision=2,
update=update_settings_cb,
)
# 定义一个布尔型属性
adaptive_scale: BoolProperty(
name="Adaptive scaling",
description="Proportional scaling: Similar to enlarging images in Photoshop, the current XY is scaled proportionally up/down until one side matches the short side of the paper.",
default=False,
update=update_settings_cb,
)
switch: BoolProperty(
name="switch",
description="Enable or disable plugins",
default=False,
update=update_settings_cb,
)
preset: EnumProperty(
name="Preset",
description="",
items=paper_presets,
default="custom_1_1",
update=update_settings_cb,
)
orientation: EnumProperty(
name="Page Orientation",
description="Page Orientation",
items=[
('Vertical', "Vertical", "Vertical length"),
('Horizontal', "Horizontal", "Horizontal length"),
],
default="Vertical",
update=update_settings_cb,
)
method: EnumProperty(
name="Method",
description="Rendering preset",
items=[
('Simple', "Simple", "Output a small image, interpolate for enlargement"),
('Accurate', "Accurate", "Output actual size image"),
],
default="Accurate",
update=update_settings_cb,
)
# 注册这个属性组
def register():
bpy.utils.register_class(MyCustomProperties)
bpy.types.Scene.my_custom_properties = bpy.props.PointerProperty(type=MyCustomProperties)
# 注销这个属性组
def unregister():
del bpy.types.Scene.my_custom_properties
bpy.utils.unregister_class(MyCustomProperties)
if __name__ == "__main__":
register()