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patch [#20910] Support for exporting UV layouts to EPS files

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also improved this so visible UVs are exported unless 'All UVs' is enabled, taking into account local-view and mesh face selection.
This commit is contained in:
Campbell Barton
2010-02-05 15:20:12 +00:00
parent 31955feba1
commit a1d2b84222
1 changed files with 117 additions and 60 deletions
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177
release/scripts/op/uv.py
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@@ -32,18 +32,31 @@ class ExportUVLayout(bpy.types.Operator):
path = StringProperty(name="File Path", description="File path used for exporting the SVG file", maxlen=1024, default="")
check_existing = BoolProperty(name="Check Existing", description="Check and warn on overwriting existing files", default=True, options={'HIDDEN'})
only_selected = BoolProperty(name="Only Selected", description="Export Only the selected UVs", default=False)
export_all = BoolProperty(name="All UV's", description="Export all UVs in this mesh (not just the visible ones)", default=False)
mode = EnumProperty(items=(
('SVG', "Scalable Vector Graphic (.svg)", "Export the UV layout to a vector SVG file."),
('EPS', "Encapsulate PostScript (.eps)", "Export the UV layout to a vector EPS file.")),
name="Format",
description="File format to export the UV layout to",
default='SVG')
def poll(self, context):
obj = context.active_object
return (obj and obj.type == 'MESH')
def _space_image(self, context):
space_data = context.space_data
if type(space_data) == bpy.types.SpaceImageEditor:
return space_data
else:
return None
def _image_size(self, context, default_width=1024, default_height=1024):
# fallback if not in image context.
image_width, image_height = default_width, default_height
space_data = context.space_data
if type(space_data) == bpy.types.SpaceImageEditor:
space_data = self._space_image(context)
if space_data:
image = space_data.image
if image:
width, height = tuple(context.space_data.image.size)
@@ -53,6 +66,41 @@ class ExportUVLayout(bpy.types.Operator):
return image_width, image_height
def _face_uv_iter(self, context):
obj = context.active_object
mesh = obj.data
uv_layer = mesh.active_uv_texture.data
uv_layer_len = len(uv_layer)
if not self.properties.export_all:
local_image = Ellipsis
if context.tool_settings.uv_local_view:
space_data = self._space_image(context)
if space_data:
local_image = space_data.image
faces = mesh.faces
for i in range(uv_layer_len):
uv_elem = uv_layer[i]
# context checks
if faces[i].selected and (local_image is Ellipsis or local_image == uv_elem.image):
#~ uv = uv_elem.uv
#~ if False not in uv_elem.uv_selected[:len(uv)]:
#~ yield (i, uv)
# just write what we see.
yield (i, uv_layer[i].uv)
else:
# all, simple
for i in range(uv_layer_len):
yield (i, uv_layer[i].uv)
def execute(self, context):
# for making an XML compatible string
from xml.sax.saxutils import escape
@@ -64,70 +112,79 @@ class ExportUVLayout(bpy.types.Operator):
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
image_width, image_height = self._image_size(context)
mesh = obj.data
faces = mesh.faces
active_uv_layer = None
for lay in mesh.uv_textures:
if lay.active:
active_uv_layer = lay.data
break
fuvs = [(uv.uv1, uv.uv2, uv.uv3, uv.uv4) for uv in active_uv_layer]
fuvs_cpy = [(uv[0].copy(), uv[1].copy(), uv[2].copy(), uv[3].copy()) for uv in fuvs]
# as a list
faces = mesh.faces[:]
fuvsel = [(False not in uv.uv_selected) for uv in active_uv_layer]
mode = self.properties.mode
file = open(self.properties.path, "w")
fw = file.write
fw('<?xml version="1.0" standalone="no"?>\n')
fw('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" \n')
fw(' "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')
fw('<svg width="%dpx" height="%dpx" viewBox="0px 0px %dpx %dpx"\n' % (image_width, image_height, image_width, image_height))
fw(' xmlns="http://www.w3.org/2000/svg" version="1.1">\n')
if mode == 'SVG':
desc = "%s, %s, %s (Blender %s)" % (basename(bpy.data.filename), obj.name, mesh.name, bpy.app.version_string)
fw('<desc>%s</desc>\n' % escape(desc))
fw('<?xml version="1.0" standalone="no"?>\n')
fw('<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" \n')
fw(' "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')
fw('<svg width="%dpx" height="%dpx" viewBox="0px 0px %dpx %dpx"\n' % (image_width, image_height, image_width, image_height))
fw(' xmlns="http://www.w3.org/2000/svg" version="1.1">\n')
desc = "%s, %s, %s (Blender %s)" % (basename(bpy.data.filename), obj.name, mesh.name, bpy.app.version_string)
fw('<desc>%s</desc>\n' % escape(desc))
# svg colors
fill_settings = []
fill_default = 'fill="grey"'
for mat in mesh.materials if mesh.materials else [None]:
if mat:
fill_settings.append('fill="rgb(%d, %d, %d)"' % tuple(int(c*255) for c in mat.diffuse_color))
else:
fill_settings.append(fill_default)
# svg colors
fill_settings = []
fill_default = 'fill="grey"'
for mat in mesh.materials if mesh.materials else [None]:
if mat:
fill_settings.append('fill="rgb(%d, %d, %d)"' % tuple(int(c * 255) for c in mat.diffuse_color))
else:
fill_settings.append(fill_default)
for i, uvs in self._face_uv_iter(context):
try: # rare cases material index is invalid.
fill = fill_settings[faces[i].material_index]
except IndexError:
fill = fill_default
fw('<polygon %s fill-opacity="0.5" stroke="black" stroke-width="1px" \n' % fill)
fw(' points="')
for j, uv in enumerate(uvs):
x, y = uv[0], 1.0 - uv[1]
fw('%.3f,%.3f ' % (x * image_width, y * image_height))
fw('" />\n')
fw('\n')
fw('</svg>\n')
only_selected = self.properties.only_selected
for i, uv in enumerate(active_uv_layer):
if only_selected and False in uv.uv_selected:
continue
if len(faces[i].verts) == 3:
uvs = uv.uv1, uv.uv2, uv.uv3
else:
uvs = uv.uv1, uv.uv2, uv.uv3, uv.uv4
try: # rare cases material index is invalid.
fill = fill_settings[faces[i].material_index]
except IndexError:
fill = fill_default
fw('<polygon %s fill-opacity="0.5" stroke="black" stroke-width="1px" \n' % fill)
fw(' points="')
for j, uv in enumerate(uvs):
x, y = uv.x, 1.0 - uv.y
fw('%.3f,%.3f ' % (x * image_width, y * image_height))
fw('" />\n')
fw('\n')
fw('</svg>\n')
elif mode == 'EPS':
fw('%!PS-Adobe-3.0 EPSF-3.0\n')
fw("%%%%Creator: Blender %s\n" % bpy.app.version_string)
fw('%%Pages: 1\n')
fw('%%Orientation: Portrait\n')
fw("%%%%BoundingBox: 0 0 %d %d\n" % (image_width, image_height))
fw("%%%%HiResBoundingBox: 0.0 0.0 %.4f %.4f\n" % (image_width, image_height))
fw('%%EndComments\n')
fw('%%Page: 1 1\n')
fw('0 0 translate\n')
fw('1.0 1.0 scale\n')
fw('0 0 0 setrgbcolor\n')
fw('[] 0 setdash\n')
fw('1 setlinewidth\n')
fw('1 setlinejoin\n')
fw('1 setlinecap\n')
fw('newpath\n')
for i, uvs in self._face_uv_iter(context):
for j, uv in enumerate(uvs):
x, y = uv[0], uv[1]
if j==0:
fw('%.5f %.5f moveto\n' % (x * image_width, y * image_height))
else:
fw('%.5f %.5f lineto\n' % (x * image_width, y * image_height))
fw('closepath\n')
fw('stroke\n')
fw('showpage\n')
fw('%%EOF\n')
if is_editmode:
bpy.ops.object.mode_set(mode='EDIT', toggle=False)