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node_Image.py
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node_Image.py
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import bpy
from node_s import *
from util import *
class ImageNode(Node, SverchCustomTreeNode):
''' Image '''
bl_idname = 'ImageNode'
bl_label = 'Image'
bl_icon = 'OUTLINER_OB_EMPTY'
def images(self, context):
return [tuple(3 * [im.name]) for im in bpy.data.images]
name_image = EnumProperty(items=images, name='images')
R = bpy.props.FloatProperty(name='R', description='R', default=0.30, min=0, max=1, options={'ANIMATABLE'}, update=updateNode)
G = bpy.props.FloatProperty(name='G', description='G', default=0.59, min=0, max=1, options={'ANIMATABLE'}, update=updateNode)
B = bpy.props.FloatProperty(name='B', description='B', default=0.11, min=0, max=1, options={'ANIMATABLE'}, update=updateNode)
Xvecs = bpy.props.IntProperty(name='Xvecs', description='Xvecs', default=10, min=2, max=100, options={'ANIMATABLE'}, update=updateNode)
Yvecs = bpy.props.IntProperty(name='Yvecs', description='Yvecs', default=10, min=2, max=100, options={'ANIMATABLE'}, update=updateNode)
Xstep = bpy.props.FloatProperty(name='Xstep', description='Xstep', default=1.0, min=0.01, max=100, options={'ANIMATABLE'}, update=updateNode)
Ystep = bpy.props.FloatProperty(name='Ystep', description='Ystep', default=1.0, min=0.01, max=100, options={'ANIMATABLE'}, update=updateNode)
#name_image = bpy.props.StringProperty(name='image_name', description='image name', default='', update=updateNode)
def init(self, context):
self.inputs.new('StringsSocket', "vecs X", "vecs X")
self.inputs.new('StringsSocket', "vecs Y", "vecs Y")
self.inputs.new('StringsSocket', "Step X", "Step X")
self.inputs.new('StringsSocket', "Step Y", "Step Y")
self.outputs.new('VerticesSocket', "vecs", "vecs")
self.outputs.new('StringsSocket', "edgs", "edgs")
self.outputs.new('StringsSocket', "pols", "pols")
def draw_buttons(self, context, layout):
row = layout.column_flow(columns=1,align=True)
row.prop(self, "Xvecs", text="vectors X")
row.prop(self, "Yvecs", text="vectors Y")
row = layout.column_flow(columns=1,align=True)
row.prop(self, "Xstep", text="step X")
row.prop(self, "Ystep", text="step Y")
row = layout.row(align=True)
row.scale_x=10.0
row.prop(self, "R", text="R")
row.prop(self, "G", text="G")
row.prop(self, "B", text="B")
layout.prop(self, "name_image", text="image")
def update(self):
# inputs
if 'vecs X' in self.inputs and self.inputs['vecs X'].links:
IntegerX = min(int(SvGetSocketAnyType(self,self.inputs['vecs X'])[0][0]),100)
else:
IntegerX = int(self.Xvecs)
if 'vecs Y' in self.inputs and self.inputs['vecs Y'].links:
IntegerY = min(int(SvGetSocketAnyType(self,self.inputs['vecs Y'])[0][0]),100)
else:
IntegerY = int(self.Yvecs)
if 'Step X' in self.inputs and self.inputs['Step X'].links:
StepX = SvGetSocketAnyType(self,self.inputs['Step X'])[0]
fullList(StepX, IntegerX)
else:
StepX = [self.Xstep]
fullList(StepX, IntegerX)
if 'Step Y' in self.inputs and self.inputs['Step Y'].links:
StepY = SvGetSocketAnyType(self,self.inputs['Step Y'])[0]
fullList(StepY, IntegerY)
else:
StepY = [self.Ystep]
fullList(StepY, IntegerY)
# outputs
if 'vecs' in self.outputs and self.outputs['vecs'].links:
out = self.make_vertices(IntegerX-1, IntegerY-1, StepX, StepY, self.name_image)
#print
SvSetSocketAnyType(self,'vecs',[out])
else:
SvSetSocketAnyType(self,'vecs',[[[]]])
if 'edgs' in self.outputs and len(self.outputs['edgs'].links)>0:
listEdg = []
for i in range(IntegerY):
for j in range(IntegerX-1):
listEdg.append((IntegerX*i+j, IntegerX*i+j+1))
for i in range(IntegerX):
for j in range(IntegerY-1):
listEdg.append((IntegerX*j+i, IntegerX*j+i+IntegerX))
edg = list(listEdg)
SvSetSocketAnyType(self,'edgs',[edg])
else:
SvSetSocketAnyType(self,'edgs',[[[]]])
if 'pols' in self.outputs and self.outputs['pols'].links:
listPlg = []
for i in range(IntegerX-1):
for j in range(IntegerY-1):
listPlg.append((IntegerX*j+i, IntegerX*j+i+1, IntegerX*j+i+IntegerX+1, IntegerX*j+i+IntegerX))
plg = list(listPlg)
SvSetSocketAnyType(self,'pols',[plg])
else:
SvSetSocketAnyType(self,'pols',[[[]]])
def make_vertices(self, delitelx, delitely, stepx, stepy, image_name):
lenx = bpy.data.images[image_name].size[0]
leny = bpy.data.images[image_name].size[1]
if delitelx>lenx:
delitelx=lenx
if delitely>leny:
delitely=leny
R, G, B = self.R, self.G, self.B
xcoef = lenx//delitelx
ycoef = leny//delitely
imag = bpy.data.images[image_name].pixels
vertices = []
addition = 0
for y in range(delitely+1):
addition = int(ycoef*y*4*lenx)
for x in range(delitelx+1):
# каждый пиксель кодируется RGBA, и записан строкой, без разделения на строки и столбцы.
middle = (imag[addition]*R+imag[addition+1]*G+imag[addition+2]*B)*imag[addition+3]
vertex = [x*stepx[x],y*stepy[y],middle]
vertices.append(vertex)
addition += int(xcoef*4)
return vertices
def update_socket(self, context):
self.update()
def register():
bpy.utils.register_class(ImageNode)
def unregister():
bpy.utils.unregister_class(ImageNode)
if __name__ == "__main__":
register()