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# Copyright (c) 2020, Manfred Moitzi
# License: MIT License
import pytest
import ezdxf
from ezdxf.addons.drawing.properties import RenderContext, is_valid_color
from ezdxf.addons.acadctb import ColorDependentPlotStyles
from ezdxf import colors
from ezdxf.entities import Layer, factory
from ezdxf.lldxf import const
@pytest.fixture(scope="module")
def doc():
d = ezdxf.new(setup=True)
d.layers.add("Test", color=5, linetype="DOT", lineweight=70)
msp = d.modelspace()
msp.add_line(
(0, 0),
(1, 0),
dxfattribs={
"color": 256, # by layer
"linetype": "BYLAYER",
"lineweight": -1, # by layer
"layer": "Test",
},
)
msp.add_line(
(0, 0),
(1, 0),
dxfattribs={
"color": 1, # red: ff0000
"linetype": "DASHED",
"lineweight": 50, # 0.50
"layer": "Test",
},
)
blk = d.blocks.new("MyBlock")
blk.add_line(
(0, 0),
(1, 0),
dxfattribs={
"color": 0, # by block
"linetype": "BYBLOCK",
"lineweight": -2, # by block
"layer": "Test",
},
)
blk.add_line(
(0, 0),
(1, 0),
dxfattribs={
"color": 1, # red: ff0000
"linetype": "DASHED",
"lineweight": 50, # 0.50
"layer": "Test",
},
)
blk.add_line(
(0, 0),
(1, 0),
dxfattribs={
"color": 256, # by layer
"linetype": "BYLAYER",
"lineweight": -1, # by layer
"layer": "Test",
},
)
msp.add_blockref(
"MyBlock",
insert=(0, 0),
dxfattribs={
"color": 3, # green: 00ff00
"linetype": "CENTER",
"lineweight": 13, # 0.13
},
)
return d
def test_load_default_ctb(doc):
ctx = RenderContext(doc, ctb="color.ctb")
assert bool(ctx.plot_styles) is True
assert ctx.plot_styles[1].color == (255, 0, 0)
def test_set_color_dependent_plot_style_as_object_instance(doc):
ctb = ColorDependentPlotStyles(description="my_style")
ctb.new_style(1).color = (22, 33, 44)
ctx = RenderContext(doc, ctb=ctb)
assert bool(ctx.plot_styles) is True
assert ctx.plot_styles[1].color == (22, 33, 44)
def test_new_ctb(doc):
ctx = RenderContext(doc)
assert bool(ctx.plot_styles) is True
assert ctx.plot_styles[1].color == (255, 0, 0)
def test_resolve_entity_visibility():
doc = ezdxf.new()
layout = doc.modelspace()
doc.layers.new(name="visible", dxfattribs={"color": 0})
doc.layers.new(name="invisible", dxfattribs={"color": -1}) # color < 0 => invisible
doc.layers.new(name="frozen", dxfattribs={"flags": Layer.FROZEN}) # also invisible
doc.layers.new(
name="noplot", dxfattribs={"plot": 0}
) # visible in the CAD application but not when exported
for export_mode in (False, True):
ctx = RenderContext(layout.doc, export_mode=export_mode)
text = layout.add_text(
"a", dxfattribs={"invisible": 0, "layer": "non_existent"}
)
assert ctx.resolve_visible(text) is True
text = layout.add_text("a", dxfattribs={"invisible": 0, "layer": "visible"})
assert ctx.resolve_visible(text) is True
for layer in ["invisible", "frozen"]:
text = layout.add_text("a", dxfattribs={"invisible": 0, "layer": layer})
assert ctx.resolve_visible(text) is False
for layer in [
"non_existent",
"visible",
"invisible",
"frozen",
"noplot",
]:
text = layout.add_text("a", dxfattribs={"invisible": 1, "layer": layer})
assert ctx.resolve_visible(text) is False
ctx = RenderContext(layout.doc, export_mode=False)
text = layout.add_text("a", dxfattribs={"invisible": 0, "layer": "noplot"})
assert ctx.resolve_visible(text) is True
ctx = RenderContext(layout.doc, export_mode=True)
text = layout.add_text("a", dxfattribs={"invisible": 0, "layer": "noplot"})
assert ctx.resolve_visible(text) is False
def test_resolve_attrib_visibility():
doc = ezdxf.new()
layout = doc.modelspace()
block = doc.blocks.new(name="block")
doc.layers.new(name="invisible", dxfattribs={"color": -1}) # color < 0 => invisible
block.add_attdef("att1", (0, 0), "", dxfattribs={})
block.add_attdef("att2", (0, 0), "", dxfattribs={"flags": const.ATTRIB_INVISIBLE})
block.add_attdef("att3", (0, 0), "", dxfattribs={"layer": "invisible"})
i = layout.add_blockref("block", (0, 0))
i.add_auto_attribs({"att1": "abc", "att2": "def", "att3": "hij"})
assert not i.attribs[0].is_invisible
assert i.attribs[1].is_invisible
assert not i.attribs[2].is_invisible
ctx = RenderContext(layout.doc)
assert ctx.resolve_visible(i.attribs[0]) is True
assert ctx.resolve_visible(i.attribs[1]) is False
assert ctx.resolve_visible(i.attribs[2]) is False
def test_resolve_entity_color(doc):
ctx = RenderContext(doc)
msp = doc.modelspace()
lines = msp.query("LINE")
line1 = ctx.resolve_all(lines[0])
assert line1.color == "#0000ff" # by layer
line2 = ctx.resolve_all(lines[1])
assert line2.color == "#ff0000"
def test_existing_true_color_overrides_any_aci_color(doc):
ctx = RenderContext(doc)
line = factory.new("LINE")
line.rgb = (255, 1, 1)
for color in range(const.BYLAYER + 1):
line.dxf.color = color
props = ctx.resolve_all(line)
assert props.color == "#ff0101", "true_color should override any ACI color"
def test_resolve_entity_linetype(doc):
ctx = RenderContext(doc)
msp = doc.modelspace()
lines = msp.query("LINE")
line1 = ctx.resolve_all(lines[0])
assert line1.linetype_name == "DOT" # by layer
line2 = ctx.resolve_all(lines[1])
assert line2.linetype_name == "DASHED"
def test_resolve_entity_lineweight(doc):
ctx = RenderContext(doc)
msp = doc.modelspace()
lines = msp.query("LINE")
line1 = ctx.resolve_all(lines[0])
assert line1.lineweight == 0.70 # by layer
line2 = ctx.resolve_all(lines[1])
assert line2.lineweight == 0.50
def test_resolve_block_entities(doc):
ctx = RenderContext(doc)
msp = doc.modelspace()
blockref = msp.query("INSERT").first
ctx.push_state(ctx.resolve_all(blockref))
assert ctx.inside_block_reference is True
lines = list(blockref.virtual_entities())
# properties by block
line1 = ctx.resolve_all(lines[0])
assert lines[0].dxf.linetype == "BYBLOCK"
assert line1.color == "#00ff00"
assert line1.linetype_name == "CENTER"
assert line1.lineweight == 0.13
# explicit properties
line2 = ctx.resolve_all(lines[1])
assert lines[1].dxf.linetype == "DASHED"
assert line2.color == "#ff0000"
assert line2.linetype_name == "DASHED"
assert line2.lineweight == 0.50
# properties by layer 'Test'
line3 = ctx.resolve_all(lines[2])
assert lines[2].dxf.linetype == "BYLAYER"
assert line3.color == "#0000ff"
assert line3.linetype_name == "DOT"
assert line3.lineweight == 0.70
ctx.pop_state()
assert ctx.inside_block_reference is False
class TestResolveLayerACIColor7:
@pytest.fixture
def entity(self):
# Default layer is '0' with default ACI color 7
# Default entity color is BYLAYER
return factory.new("LINE")
@pytest.fixture(scope="class")
def ctx(self):
doc = ezdxf.new()
doc.layers.new(
"TrueColor",
dxfattribs={"true_color": ezdxf.rgb2int((0xB0, 0xB0, 0xB0))},
)
context = RenderContext(doc)
context.set_current_layout(doc.modelspace())
return context
def test_dark_background(self, ctx, entity):
ctx.current_layout_properties.set_colors(bg="#000000")
assert ctx.resolve_color(entity).upper() == "#FFFFFF"
def test_light_background(self, ctx, entity):
ctx.current_layout_properties.set_colors(bg="#FFFFFF")
assert ctx.resolve_color(entity) == "#000000"
def test_switch_layout_colors(self, ctx, entity):
ctx.current_layout_properties.set_colors(bg="#FFFFFF", fg="#A0A0A0")
assert ctx.resolve_color(entity) == "#A0A0A0"
ctx.current_layout_properties.set_colors(bg="#EEEEEE", fg="#010101")
assert ctx.resolve_color(entity) == "#010101"
def test_color_from_true_color_layer(self, ctx, entity):
entity.dxf.layer = "TrueColor"
assert ctx.resolve_color(entity).upper() == "#B0B0B0"
# Entity ACI color is BYLAYER by default:
assert entity.dxf.color == const.BYLAYER
ctx.current_layout_properties.set_colors(bg="#EEEEEE", fg="#010101")
# But has no meaning if true color is set:
assert ctx.resolve_color(entity).upper() == "#B0B0B0"
@pytest.mark.parametrize(
"color, result",
[
("#012345", True),
("#456789", True),
("#ABCDEF", True),
("#abcdef", True),
("#ghijkl", False),
("000000", False),
("ABCDEF", False),
],
)
def test_is_valid_color(color, result):
assert is_valid_color(color) is result
@pytest.mark.parametrize("color", [0, 1.0, (1, 2, 3)])
def test_invalid_color_value_type(color):
with pytest.raises(TypeError):
is_valid_color(color)
@pytest.mark.parametrize(
"color, result",
[
("#00000000", True),
("#000000FF", True),
("#000000ff", True),
("#000000gh", False),
],
)
def test_is_valid_transparent_color(color, result):
assert is_valid_color(color) is result
@pytest.mark.parametrize(
"color, result",
[
("", False),
("#", False),
("#0", False),
("#00", False),
("#000", False),
("#0000", False),
("#00000", False),
("#000000", True), # RGB color format
("#0000000", False),
("#00000000", True), # RGB color format including alpha transparency
("#000000000", False),
(" #0000", False),
(" #000000", False),
],
)
def test_is_valid_color_value_length(color, result):
assert is_valid_color(color) is result
def test_resolve_transparency_from_layer():
doc = ezdxf.new()
doc.layers.add("Layer_T50", color=1, transparency=0.50)
msp = doc.modelspace()
line = msp.add_line(
(0, 0),
(1, 0),
dxfattribs={
"color": 5,
"layer": "Layer_T50",
},
)
context = RenderContext(doc)
context.set_current_layout(msp)
prop = context.resolve_all(line)
assert prop.color == "#0000ff7f"
if __name__ == "__main__":
pytest.main([__file__])
|
