X-Git-Url: https://git.ao2.it/vrm.git/blobdiff_plain/06dd5e5bf8b7934ff02934d379d6ebb958dd6bd4..efa292dcd4cfb88bb0a1d45147c408e500a86d73:/vrm.py diff --git a/vrm.py b/vrm.py index 9095307..86c8fba 100755 --- a/vrm.py +++ b/vrm.py @@ -1,21 +1,21 @@ #!BPY """ Name: 'VRM' -Blender: 242 +Blender: 245 Group: 'Render' Tooltip: 'Vector Rendering Method script' """ __author__ = "Antonio Ospite" -__url__ = ["http://projects.blender.org/projects/vrm"] -__version__ = "0.3.beta" +__url__ = ["http://vrm.ao2.it"] +__version__ = "0.3" __bpydoc__ = """\ Render the scene and save the result in vector format. """ # --------------------------------------------------------------------- -# Copyright (c) 2006 Antonio Ospite +# Copyright (c) 2006, 2007, 2008, 2009, 2012 Antonio Ospite # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -40,15 +40,14 @@ __bpydoc__ = """\ # from scratch but Nikola gave me the idea, so I thank him publicly. # # --------------------------------------------------------------------- -# +# # Things TODO for a next release: +# - Shadeless shader # - FIX the issue with negative scales in object tranformations! # - Use a better depth sorting algorithm -# - Implement clipping of primitives and do handle object intersections. -# (for now only clipping away whole objects is supported). # - Review how selections are made (this script uses selection states of # primitives to represent visibility infos) -# - Use a data structure other than Mesh to represent the 2D image? +# - Use a data structure other than Mesh to represent the 2D image? # Think to a way to merge (adjacent) polygons that have the same color. # Or a way to use paths for silhouettes and contours. # - Consider SMIL for animation handling instead of ECMA Script? (Firefox do @@ -58,24 +57,8 @@ __bpydoc__ = """\ # - Implement Edge Styles (silhouettes, contours, etc.) (partially done). # - Implement Shading Styles? (partially done, to make more flexible). # - Add Vector Writers other than SVG. +# - set the background color! # - Check memory use!! -# - Support Indexed palettes!! (Useful for ILDA FILES, for example, -# see http://www.linux-laser.org/download/autotrace/ilda-output.patch) -# -# --------------------------------------------------------------------- -# -# Changelog: -# -# vrm-0.3.py - ... -# * First release after code restucturing. -# Now the script offers a useful set of functionalities -# and it can render animations, too. -# * Optimization in Renderer.doEdgeStyle(), build a topology cache -# so to speed up the lookup of adjacent faces of an edge. -# Thanks ideasman42. -# * The SVG output is now SVG 1.0 valid. -# Checked with: http://jiggles.w3.org/svgvalidator/ValidatorURI.html -# * Progress indicator during HSR. # # --------------------------------------------------------------------- @@ -83,17 +66,36 @@ import Blender from Blender import Scene, Object, Mesh, NMesh, Material, Lamp, Camera, Window from Blender.Mathutils import * from math import * -import sys, time +import sys +import time + +try: + set() +except NameError: + from sets import Set as set + + +def uniq(alist): + tmpdict = dict() + return [tmpdict.setdefault(e, e) for e in alist if e not in tmpdict] + # in python > 2.4 we ca use the following + #return [ u for u in alist if u not in locals()['_[1]'] ] -# Some global settings +# Constants +EPS = 10e-5 + +# We use a global progress Indicator Object +progress = None + + +# Config class for global settings class config: polygons = dict() polygons['SHOW'] = True - polygons['SHADING'] = 'FLAT' - polygons['HSR'] = 'PAINTER' # 'PAINTER' or 'NEWELL' - polygons['HSR'] = 'NEWELL' + polygons['SHADING'] = 'FLAT' # FLAT or TOON + polygons['HSR'] = 'PAINTER' # PAINTER or NEWELL # Hidden to the user for now polygons['EXPANSION_TRICK'] = True @@ -102,7 +104,7 @@ class config: edges = dict() edges['SHOW'] = False edges['SHOW_HIDDEN'] = False - edges['STYLE'] = 'MESH' + edges['STYLE'] = 'MESH' # MESH or SILHOUETTE edges['WIDTH'] = 2 edges['COLOR'] = [0, 0, 0] @@ -111,24 +113,659 @@ class config: output['ANIMATION'] = False output['JOIN_OBJECTS'] = True + def saveToRegistry(): + registry = {} + + for k, v in config.__dict__.iteritems(): + + # config class store settings in dictionaries + if v.__class__ == dict().__class__: + + regkey_prefix = k.upper() + "_" + + for opt_k, opt_v in v.iteritems(): + regkey = regkey_prefix + opt_k + + registry[regkey] = opt_v + + Blender.Registry.SetKey('VRM', registry, True) + + saveToRegistry = staticmethod(saveToRegistry) + + def loadFromRegistry(): + registry = Blender.Registry.GetKey('VRM', True) + if not registry: + return + + for k, v in registry.iteritems(): + k_tmp = k.split('_') + conf_attr = k_tmp[0].lower() + conf_key = str.join("_", k_tmp[1:]) + conf_val = v + + if conf_attr in config.__dict__: + config.__dict__[conf_attr][conf_key] = conf_val + + loadFromRegistry = staticmethod(loadFromRegistry) + + +# Utility functions +print_debug = False + + +def dumpfaces(flist, filename): + """Dump a single face to a file. + """ + if not print_debug: + return + + class tmpmesh: + pass + + m = tmpmesh() + m.faces = flist + + writerobj = SVGVectorWriter(filename) + + writerobj.open() + writerobj._printPolygons(m) + + writerobj.close() -# Debug utility function -print_debug = True def debug(msg): if print_debug: sys.stderr.write(msg) +def EQ(v1, v2): + return (abs(v1[0] - v2[0]) < EPS and + abs(v1[1] - v2[1]) < EPS) +by_furthest_z = (lambda f1, f2: + cmp(max([v.co[2] for v in f1]), max([v.co[2] for v in f2]) + EPS) + ) + + +def sign(x): + + if x < -EPS: + #if x < 0: + return -1 + elif x > EPS: + #elif x > 0: + return 1 + else: + return 0 + + +# --------------------------------------------------------------------- +# +## HSR Utility class +# +# --------------------------------------------------------------------- + +EPS = 10e-5 +INF = 10e5 + + +class HSR: + """A utility class for HSR processing. + """ + + def is_nonplanar_quad(face): + """Determine if a quad is non-planar. + + From: http://mathworld.wolfram.com/Coplanar.html + + Geometric objects lying in a common plane are said to be coplanar. + Three noncollinear points determine a plane and so are trivially + coplanar. Four points are coplanar iff the volume of the tetrahedron + defined by them is 0, + + | x_1 y_1 z_1 1 | + | x_2 y_2 z_2 1 | + | x_3 y_3 z_3 1 | + | x_4 y_4 z_4 1 | == 0 + + Coplanarity is equivalent to the statement that the pair of lines + determined by the four points are not skew, and can be equivalently + stated in vector form as (x_3-x_1).[(x_2-x_1)x(x_4-x_3)]==0. + + An arbitrary number of n points x_1, ..., x_n can be tested for + coplanarity by finding the point-plane distances of the points + x_4, ..., x_n from the plane determined by (x_1,x_2,x_3) + and checking if they are all zero. + If so, the points are all coplanar. + + We here check only for 4-point complanarity. + """ + n = len(face) + + # assert(n>4) + if n < 3 or n > 4: + print "ERROR a mesh in Blender can't have more than 4 vertices or less than 3" + raise AssertionError + + elif n == 3: + # three points must be complanar + return False + else: # n == 4 + x1 = Vector(face[0].co) + x2 = Vector(face[1].co) + x3 = Vector(face[2].co) + x4 = Vector(face[3].co) + + v = (x3 - x1) * CrossVecs((x2 - x1), (x4 - x3)) + if v != 0: + return True + + return False + + is_nonplanar_quad = staticmethod(is_nonplanar_quad) + + def pointInPolygon(poly, v): + return False + + pointInPolygon = staticmethod(pointInPolygon) + + def edgeIntersection(s1, s2, do_perturbate=False): + + (x1, y1) = s1[0].co[0], s1[0].co[1] + (x2, y2) = s1[1].co[0], s1[1].co[1] + + (x3, y3) = s2[0].co[0], s2[0].co[1] + (x4, y4) = s2[1].co[0], s2[1].co[1] + + #z1 = s1[0].co[2] + #z2 = s1[1].co[2] + #z3 = s2[0].co[2] + #z4 = s2[1].co[2] + + # calculate delta values (vector components) + dx1 = x2 - x1 + dx2 = x4 - x3 + dy1 = y2 - y1 + dy2 = y4 - y3 + + #dz1 = z2 - z1 + #dz2 = z4 - z3 + + C = dy2 * dx1 - dx2 * dy1 # cross product + if C == 0: # parallel + return None + + dx3 = x1 - x3 # combined origin offset vector + dy3 = y1 - y3 + + a1 = (dy3 * dx2 - dx3 * dy2) / C + a2 = (dy3 * dx1 - dx3 * dy1) / C + + # check for degeneracies + #print_debug("\n") + #print_debug(str(a1)+"\n") + #print_debug(str(a2)+"\n\n") + + if (a1 == 0 or a1 == 1 or a2 == 0 or a2 == 1): + # Intersection on boundaries, we consider the point external? + return None + + elif (a1 > 0.0 and a1 < 1.0 and a2 > 0.0 and a2 < 1.0): # lines cross + x = x1 + a1 * dx1 + y = y1 + a1 * dy1 + + #z = z1 + a1 * dz1 + z = 0 + return (NMesh.Vert(x, y, z), a1, a2) + + else: + # lines have intersections but not those segments + return None + + edgeIntersection = staticmethod(edgeIntersection) + + def isVertInside(self, v): + winding_number = 0 + coincidence = False + + # Create point at infinity + point_at_infinity = NMesh.Vert(-INF, v.co[1], -INF) + + for i in range(len(self.v)): + s1 = (point_at_infinity, v) + s2 = (self.v[i - 1], self.v[i]) + + if EQ(v.co, s2[0].co) or EQ(v.co, s2[1].co): + coincidence = True + + if HSR.edgeIntersection(s1, s2, do_perturbate=False): + winding_number += 1 + + # Check even or odd + if (winding_number % 2) == 0: + return False + else: + if coincidence: + return False + return True + + isVertInside = staticmethod(isVertInside) + + def det(a, b, c): + return ((b[0] - a[0]) * (c[1] - a[1]) - + (b[1] - a[1]) * (c[0] - a[0])) + + det = staticmethod(det) + + def pointInPolygon(q, P): + is_in = False + + point_at_infinity = NMesh.Vert(-INF, q.co[1], -INF) + + det = HSR.det + + for i in range(len(P.v)): + p0 = P.v[i - 1] + p1 = P.v[i] + if (det(q.co, point_at_infinity.co, p0.co) < 0) != (det(q.co, point_at_infinity.co, p1.co) < 0): + if det(p0.co, p1.co, q.co) == 0: + #print "On Boundary" + return False + elif (det(p0.co, p1.co, q.co) < 0) != (det(p0.co, p1.co, point_at_infinity.co) < 0): + is_in = not is_in + + return is_in + + pointInPolygon = staticmethod(pointInPolygon) + + def projectionsOverlap(f1, f2): + """ If you have nonconvex, but still simple polygons, an acceptable method + is to iterate over all vertices and perform the Point-in-polygon test[1]. + The advantage of this method is that you can compute the exact + intersection point and collision normal that you will need to simulate + collision. When you have the point that lies inside the other polygon, you + just iterate over all edges of the second polygon again and look for edge + intersections. Note that this method detects collsion when it already + happens. This algorithm is fast enough to perform it hundreds of times per + sec. """ + + for i in range(len(f1.v)): + + # If a point of f1 in inside f2, there is an overlap! + v1 = f1.v[i] + #if HSR.isVertInside(f2, v1): + if HSR.pointInPolygon(v1, f2): + return True + + # If not the polygon can be ovelap as well, so we check for + # intersection between an edge of f1 and all the edges of f2 + + v0 = f1.v[i - 1] + + for j in range(len(f2.v)): + v2 = f2.v[j - 1] + v3 = f2.v[j] + + e1 = v0, v1 + e2 = v2, v3 + + intrs = HSR.edgeIntersection(e1, e2) + if intrs: + #print_debug(str(v0.co) + " " + str(v1.co) + " " + + # str(v2.co) + " " + str(v3.co) ) + #print_debug("\nIntersection\n") + + return True + + return False + + projectionsOverlap = staticmethod(projectionsOverlap) + + def midpoint(p1, p2): + """Return the midpoint of two vertices. + """ + m = MidpointVecs(Vector(p1), Vector(p2)) + mv = NMesh.Vert(m[0], m[1], m[2]) + + return mv + + midpoint = staticmethod(midpoint) + + def facesplit(P, Q, facelist, nmesh): + """Split P or Q according to the strategy illustrated in the Newell's + paper. + """ + + by_furthest_z = (lambda f1, f2: + cmp(max([v.co[2] for v in f1]), max([v.co[2] for v in f2]) + EPS) + ) + + # Choose if split P on Q plane or vice-versa + + n = 0 + for Pi in P: + d = HSR.Distance(Vector(Pi), Q) + if d <= EPS: + n += 1 + pIntersectQ = (n != len(P)) + + n = 0 + for Qi in Q: + d = HSR.Distance(Vector(Qi), P) + if d >= -EPS: + n += 1 + qIntersectP = (n != len(Q)) + + newfaces = [] + + # 1. If parts of P lie in both half-spaces of Q + # then splice P in two with the plane of Q + if pIntersectQ: + #print "We split P" + f = P + plane = Q + + newfaces = HSR.splitOn(plane, f) + + # 2. Else if parts of Q lie in both half-space of P + # then splice Q in two with the plane of P + if qIntersectP and newfaces == None: + #print "We split Q" + f = Q + plane = P + + newfaces = HSR.splitOn(plane, f) + #print "After" + + # 3. Else slice P in half through the mid-point of + # the longest pair of opposite sides + if newfaces == None: + + print "We ignore P..." + facelist.remove(P) + return facelist + + #f = P + + #if len(P)==3: + # v1 = midpoint(f[0], f[1]) + # v2 = midpoint(f[1], f[2]) + #if len(P)==4: + # v1 = midpoint(f[0], f[1]) + # v2 = midpoint(f[2], f[3]) + #vec3 = (Vector(v2)+10*Vector(f.normal)) + # + #v3 = NMesh.Vert(vec3[0], vec3[1], vec3[2]) + + #plane = NMesh.Face([v1, v2, v3]) + # + #newfaces = splitOn(plane, f) + + if newfaces == None: + print "Big FAT problem, we weren't able to split POLYGONS!" + raise AssertionError + + #print newfaces + if newfaces: + #for v in f: + # if v not in plane and v in nmesh.verts: + # nmesh.verts.remove(v) + for nf in newfaces: + + nf.mat = f.mat + nf.sel = f.sel + nf.col = [f.col[0]] * len(nf.v) + + nf.smooth = 0 + + for v in nf: + nmesh.verts.append(v) + # insert pieces in the list + facelist.append(nf) + + facelist.remove(f) + + # and resort the faces + facelist.sort(by_furthest_z) + facelist.sort(lambda f1, f2: cmp(f1.smooth, f2.smooth)) + facelist.reverse() + + #print [ f.smooth for f in facelist ] + + return facelist + + facesplit = staticmethod(facesplit) + + def isOnSegment(v1, v2, p, extremes_internal=False): + """Check if point p is in segment v1v2. + """ + + l1 = (v1 - p).length + l2 = (v2 - p).length + + # Should we consider extreme points as internal ? + # The test: + # if p == v1 or p == v2: + if l1 < EPS or l2 < EPS: + return extremes_internal + + l = (v1 - v2).length + + # if the sum of l1 and l2 is circa l, then the point is on segment, + if abs(l - (l1 + l2)) < EPS: + return True + else: + return False + + isOnSegment = staticmethod(isOnSegment) + + def Distance(point, face): + """ Calculate the distance between a point and a face. + + An alternative but more expensive method can be: + + ip = Intersect(Vector(face[0]), Vector(face[1]), Vector(face[2]), + Vector(face.no), Vector(point), 0) + + d = Vector(ip - point).length + + See: http://mathworld.wolfram.com/Point-PlaneDistance.html + """ + + p = Vector(point) + plNormal = Vector(face.no) + plVert0 = Vector(face.v[0]) + + d = (plVert0 * plNormal) - (p * plNormal) + + #d = plNormal * (plVert0 - p) + + #print "\nd: %.10f - sel: %d, %s\n" % (d, face.sel, str(point)) + + return d + + Distance = staticmethod(Distance) + + def makeFaces(vl): + # + # make one or two new faces based on a list of vertex-indices + # + newfaces = [] + + if len(vl) <= 4: + nf = NMesh.Face() + + for v in vl: + nf.v.append(v) + + newfaces.append(nf) + + else: + nf = NMesh.Face() + + nf.v.append(vl[0]) + nf.v.append(vl[1]) + nf.v.append(vl[2]) + nf.v.append(vl[3]) + newfaces.append(nf) + + nf = NMesh.Face() + nf.v.append(vl[3]) + nf.v.append(vl[4]) + nf.v.append(vl[0]) + newfaces.append(nf) + + return newfaces + + makeFaces = staticmethod(makeFaces) + + def splitOn(Q, P, return_positive_faces=True, return_negative_faces=True): + """Split P using the plane of Q. + Logic taken from the knife.py python script + """ + + # Check if P and Q are parallel + u = CrossVecs(Vector(Q.no), Vector(P.no)) + ax = abs(u[0]) + ay = abs(u[1]) + az = abs(u[2]) + + if (ax + ay + az) < EPS: + print "PARALLEL planes!!" + return + + # The final aim is to find the intersection line between P + # and the plane of Q, and split P along this line + + nP = len(P.v) + + # Calculate point-plane Distance between vertices of P and plane Q + d = [] + for i in range(0, nP): + d.append(HSR.Distance(P.v[i], Q)) + + newVertList = [] + + posVertList = [] + negVertList = [] + for i in range(nP): + d0 = d[i - 1] + V0 = P.v[i - 1] + + d1 = d[i] + V1 = P.v[i] + + #print "d0:", d0, "d1:", d1 + + # if the vertex lies in the cutplane + if abs(d1) < EPS: + #print "d1 On cutplane" + posVertList.append(V1) + negVertList.append(V1) + else: + # if the previous vertex lies in cutplane + if abs(d0) < EPS: + #print "d0 on Cutplane" + if d1 > 0: + #print "d1 on positive Halfspace" + posVertList.append(V1) + else: + #print "d1 on negative Halfspace" + negVertList.append(V1) + else: + # if they are on the same side of the plane + if (d1 * d0) > 0: + #print "On the same half-space" + if d1 > 0: + #print "d1 on positive Halfspace" + posVertList.append(V1) + else: + #print "d1 on negative Halfspace" + negVertList.append(V1) + + # the vertices are not on the same side of the plane, so we have an intersection + else: + #print "Intersection" + + e = Vector(V0), Vector(V1) + tri = Vector(Q[0]), Vector(Q[1]), Vector(Q[2]) + + inters = Intersect(tri[0], tri[1], tri[2], e[1] - e[0], e[0], 0) + if inters == None: + print "Split Break" + break + + #print "Intersection", inters + + nv = NMesh.Vert(inters[0], inters[1], inters[2]) + newVertList.append(nv) + + posVertList.append(nv) + negVertList.append(nv) + + if d1 > 0: + posVertList.append(V1) + else: + negVertList.append(V1) + + # uniq for python > 2.4 + #posVertList = [ u for u in posVertList if u not in locals()['_[1]'] ] + #negVertList = [ u for u in negVertList if u not in locals()['_[1]'] ] + + # a more portable way + posVertList = uniq(posVertList) + negVertList = uniq(negVertList) + + # If vertex are all on the same half-space, return + #if len(posVertList) < 3: + # print "Problem, we created a face with less that 3 vertices??" + # posVertList = [] + #if len(negVertList) < 3: + # print "Problem, we created a face with less that 3 vertices??" + # negVertList = [] + + if len(posVertList) < 3 or len(negVertList) < 3: + #print "RETURN NONE, SURE???" + return None + + if not return_positive_faces: + posVertList = [] + if not return_negative_faces: + negVertList = [] + + newfaces = HSR.addNewFaces(posVertList, negVertList) + + return newfaces + + splitOn = staticmethod(splitOn) + + def addNewFaces(posVertList, negVertList): + # Create new faces resulting from the split + outfaces = [] + if len(posVertList) or len(negVertList): + + #newfaces = [posVertList] + [negVertList] + newfaces = ([[NMesh.Vert(v[0], v[1], v[2]) for v in posVertList]] + + [[NMesh.Vert(v[0], v[1], v[2]) for v in negVertList]]) + + for nf in newfaces: + if nf and len(nf) > 2: + outfaces += HSR.makeFaces(nf) + + return outfaces + + addNewFaces = staticmethod(addNewFaces) + + # --------------------------------------------------------------------- # ## Mesh Utility class # # --------------------------------------------------------------------- + class MeshUtils: def buildEdgeFaceUsersCache(me): - ''' + ''' Takes a mesh and returns a list aligned with the meshes edges. Each item is a list of the faces that use the edge would be the equiv for having ed.face_users as a property @@ -138,29 +775,28 @@ class MeshUtils: ''' def sorted_edge_indicies(ed): - i1= ed.v1.index - i2= ed.v2.index - if i1>i2: - i1,i2= i2,i1 + i1 = ed.v1.index + i2 = ed.v2.index + if i1 > i2: + i1, i2 = i2, i1 return i1, i2 - - face_edges_dict= dict([(sorted_edge_indicies(ed), (ed.index, [])) for ed in me.edges]) + face_edges_dict = dict([(sorted_edge_indicies(ed), (ed.index, [])) for ed in me.edges]) for f in me.faces: - fvi= [v.index for v in f.v]# face vert idx's + fvi = [v.index for v in f.v] # face vert idx's for i in xrange(len(f)): - i1= fvi[i] - i2= fvi[i-1] - - if i1>i2: - i1,i2= i2,i1 - - face_edges_dict[i1,i2][1].append(f) - - face_edges= [None] * len(me.edges) + i1 = fvi[i] + i2 = fvi[i - 1] + + if i1 > i2: + i1, i2 = i2, i1 + + face_edges_dict[i1, i2][1].append(f) + + face_edges = [None] * len(me.edges) for ed_index, ed_faces in face_edges_dict.itervalues(): - face_edges[ed_index]= ed_faces - + face_edges[ed_index] = ed_faces + return face_edges def isMeshEdge(adjacent_faces): @@ -207,6 +843,7 @@ class MeshUtils: ## Shading Utility class # # --------------------------------------------------------------------- + class ShadingUtils: shademap = None @@ -214,8 +851,8 @@ class ShadingUtils: def toonShadingMapSetup(): levels = config.polygons['TOON_LEVELS'] - texels = 2*levels - 1 - tmp_shademap = [0.0] + [(i)/float(texels-1) for i in xrange(1, texels-1) ] + [1.0] + texels = 2 * levels - 1 + tmp_shademap = [0.0] + [(i) / float(texels - 1) for i in xrange(1, texels - 1)] + [1.0] return tmp_shademap @@ -227,13 +864,13 @@ class ShadingUtils: shademap = ShadingUtils.toonShadingMapSetup() v = 1.0 - for i in xrange(0, len(shademap)-1): - pivot = (shademap[i]+shademap[i+1])/2.0 - j = int(u>pivot) + for i in xrange(0, len(shademap) - 1): + pivot = (shademap[i] + shademap[i + 1]) / 2.0 + j = int(u > pivot) - v = shademap[i+j] + v = shademap[i + j] - if v < shademap[i+1]: + if v < shademap[i + 1]: return v return v @@ -250,10 +887,10 @@ class ShadingUtils: class Projector: """Calculate the projection of an object given the camera. - + A projector is useful to so some per-object transformation to obtain the projection of an object given the camera. - + The main method is #doProjection# see the method description for the parameter list. """ @@ -267,25 +904,32 @@ class Projector: camera = cameraObj.getData() - aspect = float(canvasRatio[0])/float(canvasRatio[1]) + aspect = float(canvasRatio[0]) / float(canvasRatio[1]) near = camera.clipStart far = camera.clipEnd scale = float(camera.scale) - fovy = atan(0.5/aspect/(camera.lens/32)) - fovy = fovy * 360.0/pi - + fovy = atan(0.5 / aspect / (camera.lens / 32)) + fovy = fovy * 360.0 / pi + + if Blender.Get('version') < 243: + camPersp = 0 + camOrtho = 1 + else: + camPersp = 'persp' + camOrtho = 'ortho' + # What projection do we want? - if camera.type == 0: - mP = self._calcPerspectiveMatrix(fovy, aspect, near, far) - elif camera.type == 1: - mP = self._calcOrthoMatrix(fovy, aspect, near, far, scale) - + if camera.type == camPersp: + mP = self._calcPerspectiveMatrix(fovy, aspect, near, far) + elif camera.type == camOrtho: + mP = self._calcOrthoMatrix(fovy, aspect, near, far, scale) + # View transformation cam = Matrix(cameraObj.getInverseMatrix()) - cam.transpose() - + cam.transpose() + mP = mP * cam self.projectionMatrix = mP @@ -300,18 +944,18 @@ class Projector: Given a vertex calculate the projection using the current projection matrix. """ - + # Note that we have to work on the vertex using homogeneous coordinates # From blender 2.42+ we don't need to resize the vector to be 4d # when applying a 4x4 matrix, but we do that anyway since we need the # 4th coordinate later p = self.projectionMatrix * Vector(v).resize4D() - + # Perspective division if p[3] != 0: - p[0] = p[0]/p[3] - p[1] = p[1]/p[3] - p[2] = p[2]/p[3] + p[0] = p[0] / p[3] + p[1] = p[1] / p[3] + p[2] = p[2] / p[3] # restore the size p[3] = 1.0 @@ -319,26 +963,25 @@ class Projector: return p - ## # Private methods # - + def _calcPerspectiveMatrix(self, fovy, aspect, near, far): """Return a perspective projection matrix. """ - + top = near * tan(fovy * pi / 360.0) bottom = -top - left = bottom*aspect - right= top*aspect - x = (2.0 * near) / (right-left) - y = (2.0 * near) / (top-bottom) - a = (right+left) / (right-left) - b = (top+bottom) / (top - bottom) - c = - ((far+near) / (far-near)) - d = - ((2*far*near)/(far-near)) - + left = bottom * aspect + right = top * aspect + x = (2.0 * near) / (right - left) + y = (2.0 * near) / (top - bottom) + a = (right + left) / (right - left) + b = (top + bottom) / (top - bottom) + c = - ((far + near) / (far - near)) + d = - ((2 * far * near) / (far - near)) + m = Matrix( [x, 0.0, a, 0.0], [0.0, y, b, 0.0], @@ -347,28 +990,28 @@ class Projector: return m - def _calcOrthoMatrix(self, fovy, aspect , near, far, scale): + def _calcOrthoMatrix(self, fovy, aspect, near, far, scale): """Return an orthogonal projection matrix. """ - + # The 11 in the formula was found emiprically top = near * tan(fovy * pi / 360.0) * (scale * 11) - bottom = -top + bottom = -top left = bottom * aspect - right= top * aspect - rl = right-left - tb = top-bottom - fn = near-far - tx = -((right+left)/rl) - ty = -((top+bottom)/tb) - tz = ((far+near)/fn) + right = top * aspect + rl = right - left + tb = top - bottom + fn = near - far + tx = -((right + left) / rl) + ty = -((top + bottom) / tb) + tz = ((far + near) / fn) m = Matrix( - [2.0/rl, 0.0, 0.0, tx], - [0.0, 2.0/tb, 0.0, ty], - [0.0, 0.0, 2.0/fn, tz], - [0.0, 0.0, 0.0, 1.0]) - + [2.0 / rl, 0.0, 0.0, tx], + [0.0, 2.0 / tb, 0.0, ty], + [0.0, 0.0, 2.0 / fn, tz], + [0.0, 0.0, 0.0, 1.0]) + return m @@ -380,7 +1023,7 @@ class Projector: class Progress: """A model for a progress indicator. - + Do the progress calculation calculation and the view independent stuff of a progress indicator. """ @@ -420,7 +1063,7 @@ class Progress: return False self.completed += 1 - self.progress = ( float(self.completed) / float(self.steps) ) * 100 + self.progress = (float(self.completed) / float(self.steps)) * 100 self.progress = int(self.progress) return True @@ -492,17 +1135,17 @@ class ConsoleProgressIndicator(ProgressIndicator): def show(self, progress, name): ProgressIndicator.show(self, progress, name) - + bar_length = 70 - bar_progress = int( (progress/100.0) * bar_length ) + bar_progress = int((progress / 100.0) * bar_length) bar = ("=" * bar_progress).ljust(bar_length) - self.swirl_count = (self.swirl_count+1)%len(self.swirl_chars) + self.swirl_count = (self.swirl_count + 1) % len(self.swirl_chars) swirl_char = self.swirl_chars[self.swirl_count] progress_bar = "%s |%s| %c %3d%%" % (name, bar, swirl_char, progress) - sys.stderr.write(progress_bar+"\r") + sys.stderr.write(progress_bar + "\r") if progress == 100: sys.stderr.write("\n") @@ -523,21 +1166,19 @@ class GraphicalProgressIndicator(ProgressIndicator): def show(self, progress, name): ProgressIndicator.show(self, progress) - self.swirl_count = (self.swirl_count+1)%len(self.swirl_chars) + self.swirl_count = (self.swirl_count + 1) % len(self.swirl_chars) swirl_char = self.swirl_chars[self.swirl_count] progress_text = "%s - %c %3d%%" % (name, swirl_char, progress) # Finally draw the Progress Bar - Window.WaitCursor(1) # Maybe we can move that call in the constructor? - Window.DrawProgressBar(progress/100.0, progress_text) + Window.WaitCursor(1) # Maybe we can move that call in the constructor? + Window.DrawProgressBar(progress / 100.0, progress_text) if progress == 100: Window.DrawProgressBar(1, progress_text) Window.WaitCursor(0) - - # --------------------------------------------------------------------- # ## 2D Object representation class @@ -570,38 +1211,42 @@ class VectorWriter: - printCanvas(self, scene, doPrintPolygons=True, doPrintEdges=False, showHiddenEdges=False): """ - + def __init__(self, fileName): """Set the output file name and other properties""" + try: + config.writer + except: + config.writer = dict() + config.writer['SETTING'] = True + self.outputFileName = fileName - self.file = None - + context = Scene.GetCurrent().getRenderingContext() - self.canvasSize = ( context.imageSizeX(), context.imageSizeY() ) + self.canvasSize = (context.imageSizeX(), context.imageSizeY()) + + self.fps = context.fps self.startFrame = 1 self.endFrame = 1 self.animation = False - ## # Public Methods # - + def open(self, startFrame=1, endFrame=1): if startFrame != endFrame: self.startFrame = startFrame self.endFrame = endFrame self.animation = True - self.file = open(self.outputFileName, "w") print "Outputting to: ", self.outputFileName return def close(self): - self.file.close() return def printCanvas(self, scene, doPrintPolygons=True, doPrintEdges=False, @@ -609,7 +1254,7 @@ class VectorWriter: """This is the interface for the needed printing routine. """ return - + ## SVG Writer @@ -622,6 +1267,7 @@ class SVGVectorWriter(VectorWriter): """ VectorWriter.__init__(self, fileName) + self.file = None ## # Public Methods @@ -631,6 +1277,9 @@ class SVGVectorWriter(VectorWriter): """Do some initialization operations. """ VectorWriter.open(self, startFrame, endFrame) + + self.file = open(self.outputFileName, "w") + self._printHeader() def close(self): @@ -638,16 +1287,18 @@ class SVGVectorWriter(VectorWriter): """ self._printFooter() - # remember to call the close method of the parent + if self.file: + self.file.close() + + # remember to call the close method of the parent as last VectorWriter.close(self) - def printCanvas(self, scene, doPrintPolygons=True, doPrintEdges=False, showHiddenEdges=False): """Convert the scene representation to SVG. """ - Objects = scene.getChildren() + Objects = scene.objects context = scene.getRenderingContext() framenumber = context.currentFrame() @@ -656,15 +1307,14 @@ class SVGVectorWriter(VectorWriter): framestyle = "display:none" else: framestyle = "display:block" - + # Assign an id to this group so we can set properties on it using DOM self.file.write("\n" % - (framenumber, framestyle) ) - + (framenumber, framestyle)) for obj in Objects: - if(obj.getType() != 'Mesh'): + if obj.getType() != 'Mesh': continue self.file.write("\n" % obj.getName()) @@ -676,35 +1326,34 @@ class SVGVectorWriter(VectorWriter): if doPrintEdges: self._printEdges(mesh, showHiddenEdges) - + self.file.write("\n") self.file.write("\n") - - ## + ## # Private Methods # - + def _calcCanvasCoord(self, v): """Convert vertex in scene coordinates to canvas coordinates. """ pt = Vector([0, 0, 0]) - - mW = float(self.canvasSize[0])/2.0 - mH = float(self.canvasSize[1])/2.0 + + mW = float(self.canvasSize[0]) / 2.0 + mH = float(self.canvasSize[1]) / 2.0 # rescale to canvas size - pt[0] = v.co[0]*mW + mW - pt[1] = v.co[1]*mH + mH + pt[0] = v.co[0] * mW + mW + pt[1] = v.co[1] * mH + mH pt[2] = v.co[2] - + # For now we want (0,0) in the top-left corner of the canvas. # Mirror and translate along y pt[1] *= -1 pt[1] += self.canvasSize[1] - + return pt def _printHeader(self): @@ -719,106 +1368,441 @@ class SVGVectorWriter(VectorWriter): self.canvasSize) if self.animation: + delay = 1000 / self.fps self.file.write("""\n\n + \n""") + + def _printFooter(self): + """Print the SVG footer.""" + + self.file.write("\n\n") + + def _printPolygons(self, mesh): + """Print the selected (visible) polygons. + """ + + if len(mesh.faces) == 0: + return + + self.file.write("\n") + + for face in mesh.faces: + if not face.sel: + continue + + self.file.write("\n") + + self.file.write("\n") + + def _printEdges(self, mesh, showHiddenEdges=False): + """Print the wireframe using mesh edges. + """ + + stroke_width = config.edges['WIDTH'] + stroke_col = config.edges['COLOR'] + + self.file.write("\n") + + for e in mesh.edges: + + hidden_stroke_style = "" + + if e.sel == 0: + if showHiddenEdges == False: + continue + else: + hidden_stroke_style = ";\n stroke-dasharray:3, 3" + + p1 = self._calcCanvasCoord(e.v1) + p2 = self._calcCanvasCoord(e.v2) + + self.file.write("\n") + + self.file.write("\n") + + +## SWF Writer + +try: + from ming import * + SWFSupported = True +except: + SWFSupported = False + + +class SWFVectorWriter(VectorWriter): + """A concrete class for writing SWF output. + """ + + def __init__(self, fileName): + """Simply call the parent Contructor. + """ + VectorWriter.__init__(self, fileName) + + self.movie = None + self.sprite = None + + ## + # Public Methods + # + + def open(self, startFrame=1, endFrame=1): + """Do some initialization operations. + """ + VectorWriter.open(self, startFrame, endFrame) + self.movie = SWFMovie() + self.movie.setDimension(self.canvasSize[0], self.canvasSize[1]) + if self.animation: + self.movie.setRate(self.fps) + numframes = endFrame - startFrame + 1 + self.movie.setFrames(numframes) + + def close(self): + """Do some finalization operation. + """ + self.movie.save(self.outputFileName) + + # remember to call the close method of the parent + VectorWriter.close(self) + + def printCanvas(self, scene, doPrintPolygons=True, doPrintEdges=False, + showHiddenEdges=False): + """Convert the scene representation to SVG. + """ + context = scene.getRenderingContext() + framenumber = context.currentFrame() + + Objects = scene.objects + + if self.sprite: + self.movie.remove(self.sprite) + + sprite = SWFSprite() + + for obj in Objects: + + if(obj.getType() != 'Mesh'): + continue + + mesh = obj.getData(mesh=1) + + if doPrintPolygons: + self._printPolygons(mesh, sprite) + + if doPrintEdges: + self._printEdges(mesh, sprite, showHiddenEdges) + + sprite.nextFrame() + i = self.movie.add(sprite) + # Remove the instance the next time + self.sprite = i + if self.animation: + self.movie.nextFrame() + + ## + # Private Methods + # + + def _calcCanvasCoord(self, v): + """Convert vertex in scene coordinates to canvas coordinates. + """ + + pt = Vector([0, 0, 0]) + + mW = float(self.canvasSize[0]) / 2.0 + mH = float(self.canvasSize[1]) / 2.0 + + # rescale to canvas size + pt[0] = v.co[0] * mW + mW + pt[1] = v.co[1] * mH + mH + pt[2] = v.co[2] + + # For now we want (0,0) in the top-left corner of the canvas. + # Mirror and translate along y + pt[1] *= -1 + pt[1] += self.canvasSize[1] + + return pt + + def _printPolygons(self, mesh, sprite): + """Print the selected (visible) polygons. + """ + + if len(mesh.faces) == 0: + return + + for face in mesh.faces: + if not face.sel: + continue + + if face.col: + fcol = face.col[0] + color = [fcol.r, fcol.g, fcol.b, fcol.a] + else: + color = [255, 255, 255, 255] + + s = SWFShape() + f = s.addFill(color[0], color[1], color[2], color[3]) + s.setRightFill(f) + + # The starting point of the shape + p0 = self._calcCanvasCoord(face.verts[0]) + s.movePenTo(p0[0], p0[1]) + + for v in face.verts[1:]: + p = self._calcCanvasCoord(v) + s.drawLineTo(p[0], p[1]) + + # Closing the shape + s.drawLineTo(p0[0], p0[1]) + + s.end() + sprite.add(s) + + def _printEdges(self, mesh, sprite, showHiddenEdges=False): + """Print the wireframe using mesh edges. + """ + + stroke_width = config.edges['WIDTH'] + stroke_col = config.edges['COLOR'] + + s = SWFShape() + + for e in mesh.edges: + + # Next, we set the line width and color for our shape. + s.setLine(stroke_width, stroke_col[0], stroke_col[1], stroke_col[2], + 255) + + if e.sel == 0: + if showHiddenEdges == False: + continue + else: + # SWF does not support dashed lines natively, so -for now- + # draw hidden lines thinner and half-trasparent + s.setLine(stroke_width / 2, stroke_col[0], stroke_col[1], + stroke_col[2], 128) + + p1 = self._calcCanvasCoord(e.v1) + p2 = self._calcCanvasCoord(e.v2) + + s.movePenTo(p1[0], p1[1]) + s.drawLineTo(p2[0], p2[1]) + + s.end() + sprite.add(s) + + +## PDF Writer + +try: + from reportlab.pdfgen import canvas + PDFSupported = True +except: + PDFSupported = False + + +class PDFVectorWriter(VectorWriter): + """A concrete class for writing PDF output. + """ + + def __init__(self, fileName): + """Simply call the parent Contructor. + """ + VectorWriter.__init__(self, fileName) + + self.canvas = None + + ## + # Public Methods + # + + def open(self, startFrame=1, endFrame=1): + """Do some initialization operations. + """ + VectorWriter.open(self, startFrame, endFrame) + size = (self.canvasSize[0], self.canvasSize[1]) + self.canvas = canvas.Canvas(self.outputFileName, pagesize=size, bottomup=0) + + def close(self): + """Do some finalization operation. + """ + self.canvas.save() + + # remember to call the close method of the parent + VectorWriter.close(self) + + def printCanvas(self, scene, doPrintPolygons=True, doPrintEdges=False, + showHiddenEdges=False): + """Convert the scene representation to SVG. + """ + context = scene.getRenderingContext() + framenumber = context.currentFrame() + + Objects = scene.objects + + for obj in Objects: + + if(obj.getType() != 'Mesh'): + continue + + mesh = obj.getData(mesh=1) + + if doPrintPolygons: + self._printPolygons(mesh) + + if doPrintEdges: + self._printEdges(mesh, showHiddenEdges) + + self.canvas.showPage() + + ## + # Private Methods + # + + def _calcCanvasCoord(self, v): + """Convert vertex in scene coordinates to canvas coordinates. + """ + + pt = Vector([0, 0, 0]) + + mW = float(self.canvasSize[0]) / 2.0 + mH = float(self.canvasSize[1]) / 2.0 - if (globalFrameCounter > globalEndFrame) - { - clearInterval(timerID) - } - else - { - if(previousElement) - { - previousElement.style.display="none"; - } - currentElement.style.display="block"; - globalFrameCounter++; - } - } - \n]]>\n - \n""" % (self.startFrame, self.endFrame, self.startFrame) ) - - def _printFooter(self): - """Print the SVG footer.""" + # rescale to canvas size + pt[0] = v.co[0] * mW + mW + pt[1] = v.co[1] * mH + mH + pt[2] = v.co[2] - self.file.write("\n\n") + # For now we want (0,0) in the top-left corner of the canvas. + # Mirror and translate along y + pt[1] *= -1 + pt[1] += self.canvasSize[1] - def _printPolygons(self, mesh): + return pt + + def _printPolygons(self, mesh): """Print the selected (visible) polygons. """ if len(mesh.faces) == 0: return - self.file.write("\n") - for face in mesh.faces: if not face.sel: - continue - - self.file.write("\n") + # Closing the shape + path.close() - self.file.write("\n") + self.canvas.drawPath(path, stroke=0, fill=1) def _printEdges(self, mesh, showHiddenEdges=False): """Print the wireframe using mesh edges. @@ -826,32 +1810,29 @@ class SVGVectorWriter(VectorWriter): stroke_width = config.edges['WIDTH'] stroke_col = config.edges['COLOR'] - - self.file.write("\n") + + self.canvas.setLineCap(1) + self.canvas.setLineJoin(1) + self.canvas.setLineWidth(stroke_width) + self.canvas.setStrokeColorRGB(stroke_col[0] / 255.0, stroke_col[1] / 255.0, + stroke_col[2] / 255) for e in mesh.edges: - - hidden_stroke_style = "" - + + self.canvas.setLineWidth(stroke_width) + if e.sel == 0: if showHiddenEdges == False: continue else: - hidden_stroke_style = ";\n stroke-dasharray:3, 3" + # PDF does not support dashed lines natively, so -for now- + # draw hidden lines thinner + self.canvas.setLineWidth(stroke_width / 2.0) p1 = self._calcCanvasCoord(e.v1) p2 = self._calcCanvasCoord(e.v2) - - self.file.write("\n") - - self.file.write("\n") + self.canvas.line(p1[0], p1[1], p2[0], p2[1]) # --------------------------------------------------------------------- # @@ -872,11 +1853,15 @@ edgeStyles['SILHOUETTE'] = MeshUtils.isSilhouetteEdge # A dictionary to collect the supported output formats outputWriters = dict() outputWriters['SVG'] = SVGVectorWriter +if SWFSupported: + outputWriters['SWF'] = SWFVectorWriter +if PDFSupported: + outputWriters['PDF'] = PDFVectorWriter class Renderer: """Render a scene viewed from the active camera. - + This class is responsible of the rendering process, transformation and projection of the objects in the scene are invoked by the renderer. @@ -892,37 +1877,19 @@ class Renderer: # Render the current Scene, this should be a READ-ONLY property self._SCENE = Scene.GetCurrent() - + # Use the aspect ratio of the scene rendering context context = self._SCENE.getRenderingContext() - aspect_ratio = float(context.imageSizeX())/float(context.imageSizeY()) - self.canvasRatio = (float(context.aspectRatioX())*aspect_ratio, + aspect_ratio = float(context.imageSizeX()) / float(context.imageSizeY()) + self.canvasRatio = (float(context.aspectRatioX()) * aspect_ratio, float(context.aspectRatioY()) ) - # Render from the currently active camera - self.cameraObj = self._SCENE.getCurrentCamera() - - # Get a projector for this camera. - # NOTE: the projector wants object in world coordinates, - # so we should remember to apply modelview transformations - # _before_ we do projection transformations. - self.proj = Projector(self.cameraObj, self.canvasRatio) - - # Get the list of lighting sources - obj_lst = self._SCENE.getChildren() - self.lights = [ o for o in obj_lst if o.getType() == 'Lamp'] - - # When there are no lights we use a default lighting source - # that have the same position of the camera - if len(self.lights) == 0: - l = Lamp.New('Lamp') - lobj = Object.New('Lamp') - lobj.loc = self.cameraObj.loc - lobj.link(l) - self.lights.append(lobj) + # Render from the currently active camera + #self.cameraObj = self._SCENE.objects.camera + self.lights = [] ## # Public Methods @@ -930,13 +1897,13 @@ class Renderer: def doRendering(self, outputWriter, animation=False): """Render picture or animation and write it out. - + The parameters are: - a Vector writer object that will be used to output the result. - a flag to tell if we want to render an animation or only the current frame. """ - + context = self._SCENE.getRenderingContext() origCurrentFrame = context.currentFrame() @@ -949,54 +1916,69 @@ class Renderer: startFrame = context.startFrame() endFrame = context.endFrame() outputWriter.open(startFrame, endFrame) - + # Do the rendering process frame by frame - print "Start Rendering of %d frames" % (endFrame-startFrame) - for f in xrange(startFrame, endFrame+1): + print "Start Rendering of %d frames" % (endFrame - startFrame + 1) + for f in xrange(startFrame, endFrame + 1): print "\n\nFrame: %d" % f - context.currentFrame(f) + + # FIXME To get the correct camera position we have to use +1 here. + # Is there a bug somewhere in the Scene module? + context.currentFrame(f + 1) + self.cameraObj = self._SCENE.objects.camera # Use some temporary workspace, a full copy of the scene inputScene = self._SCENE.copy(2) - # And Set our camera accordingly - self.cameraObj = inputScene.getCurrentCamera() + + # To get the objects at this frame remove the +1 ... + ctx = inputScene.getRenderingContext() + ctx.currentFrame(f) + + # Get a projector for this camera. + # NOTE: the projector wants object in world coordinates, + # so we should remember to apply modelview transformations + # _before_ we do projection transformations. + self.proj = Projector(self.cameraObj, self.canvasRatio) try: renderedScene = self.doRenderScene(inputScene) - except : + except: print "There was an error! Aborting." import traceback print traceback.print_exc() self._SCENE.makeCurrent() - Scene.unlink(inputScene) + Scene.Unlink(inputScene) del inputScene return outputWriter.printCanvas(renderedScene, - doPrintPolygons = config.polygons['SHOW'], - doPrintEdges = config.edges['SHOW'], - showHiddenEdges = config.edges['SHOW_HIDDEN']) - + doPrintPolygons=config.polygons['SHOW'], + doPrintEdges=config.edges['SHOW'], + showHiddenEdges=config.edges['SHOW_HIDDEN']) + # delete the rendered scene self._SCENE.makeCurrent() - Scene.unlink(renderedScene) + Scene.Unlink(renderedScene) del renderedScene outputWriter.close() print "Done!" context.currentFrame(origCurrentFrame) - def doRenderScene(self, workScene): """Control the rendering process. - + Here we control the entire rendering process invoking the operation needed to transform and project the 3D scene in two dimensions. """ - + # global processing of the scene + self._filterHiddenObjects(workScene) + + self._buildLightSetup(workScene) + self._doSceneClipping(workScene) self._doConvertGeometricObjsToMesh(workScene) @@ -1005,12 +1987,13 @@ class Renderer: self._joinMeshObjectsInScene(workScene) self._doSceneDepthSorting(workScene) - + # Per object activities - Objects = workScene.getChildren() + Objects = workScene.objects + print "Total Objects: %d" % len(Objects) - for i,obj in enumerate(Objects): + for i, obj in enumerate(Objects): print "\n\n-------" print "Rendering Object: %d" % i @@ -1026,6 +2009,15 @@ class Renderer: self._doBackFaceCulling(mesh) + # When doing HSR with NEWELL we may want to flip all normals + # toward the viewer + if config.polygons['HSR'] == "NEWELL": + for f in mesh.faces: + f.sel = 1 - f.sel + mesh.flipNormals() + for f in mesh.faces: + f.sel = 1 + self._doLighting(mesh) # Do "projection" now so we perform further processing @@ -1038,13 +2030,11 @@ class Renderer: self._doEdgesStyle(mesh, edgeStyles[config.edges['STYLE']]) - # Update the object data, important! :) mesh.update() return workScene - ## # Private Methods # @@ -1061,12 +2051,11 @@ class Renderer: """ return Vector(self.cameraObj.matrix[2]).resize3D() - # Faces methods def _isFaceVisible(self, face): """Determine if a face of an object is visible from the current camera. - + The view vector is calculated from the camera location and one of the vertices of the face (expressed in World coordinates, after applying modelview transformations). @@ -1097,78 +2086,133 @@ class Renderer: # the difference between the camera position and one point of # the face, we choose the farthest point from the camera. if self.cameraObj.data.getType() == 0: - vv = max( [ ((camPos - Vector(v.co)).length, (camPos - Vector(v.co))) for v in face] ) + vv = max([((camPos - Vector(v.co)).length, (camPos - Vector(v.co))) for v in face]) view_vect = vv[1] - # if d > 0 the face is visible from the camera d = view_vect * normal - + if d > 0: return True else: return False - # Scene methods + def _filterHiddenObjects(self, scene): + """Discard object that are on hidden layers in the scene. + """ + + Objects = scene.objects + + visible_obj_list = [obj for obj in Objects if + set(obj.layers).intersection(set(scene.getLayers()))] + + for o in Objects: + if o not in visible_obj_list: + scene.objects.unlink(o) + + scene.update() + + def _buildLightSetup(self, scene): + # Get the list of lighting sources + obj_lst = scene.objects + self.lights = [o for o in obj_lst if o.getType() == 'Lamp'] + + # When there are no lights we use a default lighting source + # that have the same position of the camera + if len(self.lights) == 0: + l = Lamp.New('Lamp') + lobj = Object.New('Lamp') + lobj.loc = self.cameraObj.loc + lobj.link(l) + self.lights.append(lobj) + def _doSceneClipping(self, scene): """Clip whole objects against the View Frustum. For now clip away only objects according to their center position. """ - cpos = self._getObjPosition(self.cameraObj) + cam_pos = self._getObjPosition(self.cameraObj) view_vect = self._cameraViewVector() near = self.cameraObj.data.clipStart - far = self.cameraObj.data.clipEnd + far = self.cameraObj.data.clipEnd + + aspect = float(self.canvasRatio[0]) / float(self.canvasRatio[1]) + fovy = atan(0.5 / aspect / (self.cameraObj.data.lens / 32)) + fovy = fovy * 360.0 / pi - aspect = float(self.canvasRatio[0])/float(self.canvasRatio[1]) - fovy = atan(0.5/aspect/(self.cameraObj.data.lens/32)) - fovy = fovy * 360.0/pi + Objects = scene.objects - Objects = scene.getChildren() for o in Objects: - if o.getType() != 'Mesh': continue; + if o.getType() != 'Mesh': + continue - obj_vect = Vector(cpos) - self._getObjPosition(o) + """ + obj_vect = Vector(cam_pos) - self._getObjPosition(o) d = obj_vect*view_vect theta = AngleBetweenVecs(obj_vect, view_vect) - + # if the object is outside the view frustum, clip it away if (d < near) or (d > far) or (theta > fovy): - scene.unlink(o) + scene.objects.unlink(o) + """ + + # Use the object bounding box + # (whose points are already in WorldSpace Coordinate) + + bb = o.getBoundBox() + + points_outside = 0 + for p in bb: + p_vect = Vector(cam_pos) - Vector(p) + + d = p_vect * view_vect + theta = AngleBetweenVecs(p_vect, view_vect) + + # Is this point outside the view frustum? + if (d < near) or (d > far) or (theta > fovy): + points_outside += 1 + + # If the bb is all outside the view frustum we clip the whole + # object away + if points_outside == len(bb): + scene.objects.unlink(o) def _doConvertGeometricObjsToMesh(self, scene): """Convert all "geometric" objects to mesh ones. """ - #geometricObjTypes = ['Mesh', 'Surf', 'Curve', 'Text'] - geometricObjTypes = ['Mesh', 'Surf', 'Curve'] + geometricObjTypes = ['Mesh', 'Surf', 'Curve', 'Text'] + #geometricObjTypes = ['Mesh', 'Surf', 'Curve'] - Objects = scene.getChildren() - objList = [ o for o in Objects if o.getType() in geometricObjTypes ] + Objects = scene.objects + + objList = [o for o in Objects if o.getType() in geometricObjTypes] for obj in objList: old_obj = obj obj = self._convertToRawMeshObj(obj) - scene.link(obj) - scene.unlink(old_obj) - + scene.objects.link(obj) + scene.objects.unlink(old_obj) # XXX Workaround for Text and Curve which have some normals # inverted when they are converted to Mesh, REMOVE that when # blender will fix that!! if old_obj.getType() in ['Curve', 'Text']: me = obj.getData(mesh=1) - for f in me.faces: f.sel = 1; - for v in me.verts: v.sel = 1; + + for f in me.faces: + f.sel = 1 + for v in me.verts: + v.sel = 1 + me.remDoubles(0) me.triangleToQuad() me.recalcNormals() me.update() - def _doSceneDepthSorting(self, scene): """Sort objects in the scene. @@ -1177,29 +2221,36 @@ class Renderer: c = self._getObjPosition(self.cameraObj) - by_center_pos = (lambda o1, o2: + by_obj_center_pos = (lambda o1, o2: (o1.getType() == 'Mesh' and o2.getType() == 'Mesh') and cmp((self._getObjPosition(o1) - Vector(c)).length, (self._getObjPosition(o2) - Vector(c)).length) ) - # TODO: implement sorting by bounding box, if obj1.bb is inside obj2.bb, - # then ob1 goes farther than obj2, useful when obj2 has holes - by_bbox = None - - Objects = scene.getChildren() - Objects.sort(by_center_pos) - + # Implement sorting by bounding box, the object with the bb + # nearest to the camera should be drawn as last. + by_nearest_bbox_point = (lambda o1, o2: + (o1.getType() == 'Mesh' and o2.getType() == 'Mesh') and + cmp(min([(Vector(p) - Vector(c)).length for p in o1.getBoundBox()]), + min([(Vector(p) - Vector(c)).length for p in o2.getBoundBox()]) + ) + ) + + Objects = list(scene.objects) + + #Objects.sort(by_obj_center_pos) + Objects.sort(by_nearest_bbox_point) + # update the scene for o in Objects: - scene.unlink(o) - scene.link(o) + scene.objects.unlink(o) + scene.objects.link(o) def _joinMeshObjectsInScene(self, scene): """Merge all the Mesh Objects in a scene into a single Mesh Object. """ - oList = [o for o in scene.getChildren() if o.getType()=='Mesh'] + oList = [o for o in scene.objects if o.getType() == 'Mesh'] # FIXME: Object.join() do not work if the list contains 1 object if len(oList) == 1: @@ -1209,32 +2260,31 @@ class Renderer: bigObj = Object.New('Mesh', 'BigOne') bigObj.link(mesh) - scene.link(bigObj) + scene.objects.link(bigObj) try: bigObj.join(oList) except RuntimeError: print "\nWarning! - Can't Join Objects\n" - scene.unlink(bigObj) + scene.objects.unlink(bigObj) return except TypeError: print "Objects Type error?" - + for o in oList: - scene.unlink(o) + scene.objects.unlink(o) scene.update() - # Per object/mesh methods def _convertToRawMeshObj(self, object): """Convert geometry based object to a mesh object. """ - me = Mesh.New('RawMesh_'+object.name) + me = Mesh.New('RawMesh_' + object.name) me.getFromObject(object.name) - newObject = Object.New('Mesh', 'RawMesh_'+object.name) + newObject = Object.New('Mesh', 'RawMesh_' + object.name) newObject.link(me) # If the object has no materials set a default material @@ -1261,16 +2311,16 @@ class Renderer: def _doBackFaceCulling(self, mesh): """Simple Backface Culling routine. - + At this level we simply do a visibility test face by face and then select the vertices belonging to visible faces. """ - + # Select all vertices, so edges can be displayed even if there are no # faces for v in mesh.verts: v.sel = 1 - + Mesh.Mode(Mesh.SelectModes['FACE']) # Loop on faces for f in mesh.faces: @@ -1316,7 +2366,7 @@ class Renderer: elif mat.getMode() & Material.Modes['SHADELESS']: I = mat.getRGBCol() # Convert to a value between 0 and 255 - tmp_col = [ int(c * 255.0) for c in I] + tmp_col = [int(c * 255.0) for c in I] for c in f.col: c.r = tmp_col[0] @@ -1326,7 +2376,6 @@ class Renderer: continue - # do vertex color calculation TotDiffSpec = Vector([0.0, 0.0, 0.0]) @@ -1334,8 +2383,8 @@ class Renderer: for l in self.lights: light_obj = l light_pos = self._getObjPosition(l) - light = light_obj.data - + light = light_obj.getData() + L = Vector(light_pos).normalize() V = (Vector(camPos) - Vector(f.cent)).normalize() @@ -1343,12 +2392,12 @@ class Renderer: N = Vector(f.no).normalize() if config.polygons['SHADING'] == 'TOON': - NL = ShadingUtils.toonShading(N*L) + NL = ShadingUtils.toonShading(N * L) else: - NL = (N*L) + NL = (N * L) # Should we use NL instead of (N*L) here? - R = 2 * (N*L) * N - L + R = 2 * (N * L) * N - L Ip = light.getEnergy() @@ -1359,36 +2408,33 @@ class Renderer: Idiff = Ip * kd * max(0, NL) - # Specular component ks = mat.getSpec() * Vector(mat.getSpecCol()) ns = mat.getHardness() - Ispec = Ip * ks * pow(max(0, (V*R)), ns) - - TotDiffSpec += (Idiff+Ispec) + Ispec = Ip * ks * pow(max(0, (V * R)), ns) + TotDiffSpec += (Idiff + Ispec) # Ambient component Iamb = Vector(Blender.World.Get()[0].getAmb()) ka = mat.getAmb() # Emissive component (convert to a triplet) - ki = Vector([mat.getEmit()]*3) + ki = Vector([mat.getEmit()] * 3) #I = ki + Iamb + (Idiff + Ispec) I = ki + (ka * Iamb) + TotDiffSpec - # Set Alpha component I = list(I) I.append(mat.getAlpha()) # Clamp I values between 0 and 1 - I = [ min(c, 1) for c in I] - I = [ max(0, c) for c in I] + I = [min(c, 1) for c in I] + I = [max(0, c) for c in I] # Convert to a value between 0 and 255 - tmp_col = [ int(c * 255.0) for c in I] + tmp_col = [int(c * 255.0) for c in I] for c in f.col: c.r = tmp_col[0] @@ -1423,6 +2469,70 @@ class Renderer: """Clip faces against the View Frustum. """ + # The Canonical View Volume, 8 vertices, and 6 faces, + # We consider its face normals pointing outside + + v1 = NMesh.Vert(1, 1, -1) + v2 = NMesh.Vert(1, -1, -1) + v3 = NMesh.Vert(-1, -1, -1) + v4 = NMesh.Vert(-1, 1, -1) + v5 = NMesh.Vert(1, 1, 1) + v6 = NMesh.Vert(1, -1, 1) + v7 = NMesh.Vert(-1, -1, 1) + v8 = NMesh.Vert(-1, 1, 1) + + cvv = [] + f1 = NMesh.Face([v1, v4, v3, v2]) + cvv.append(f1) + f2 = NMesh.Face([v5, v6, v7, v8]) + cvv.append(f2) + f3 = NMesh.Face([v1, v2, v6, v5]) + cvv.append(f3) + f4 = NMesh.Face([v2, v3, v7, v6]) + cvv.append(f4) + f5 = NMesh.Face([v3, v4, v8, v7]) + cvv.append(f5) + f6 = NMesh.Face([v4, v1, v5, v8]) + cvv.append(f6) + + nmesh = NMesh.GetRaw(mesh.name) + clippedfaces = nmesh.faces[:] + facelist = clippedfaces[:] + + for clipface in cvv: + + clippedfaces = [] + + for f in facelist: + + #newfaces = HSR.splitOn(clipface, f, return_positive_faces=False) + newfaces = None + + if not newfaces: + # Check if the face is all outside the view frustum + # TODO: Do this test before, it is more efficient + points_outside = 0 + for v in f: + if abs(v[0]) > (1 - EPS) or abs(v[1]) > (1 - EPS) or abs(v[2]) > (1 - EPS): + points_outside += 1 + + if points_outside != len(f): + clippedfaces.append(f) + else: + for nf in newfaces: + for v in nf: + nmesh.verts.append(v) + + nf.mat = f.mat + nf.sel = f.sel + nf.col = [f.col[0]] * len(nf.v) + + clippedfaces.append(nf) + facelist = clippedfaces[:] + + nmesh.faces = facelist + nmesh.update() + # HSR routines def __simpleDepthSort(self, mesh): """Sort faces by the furthest vertex. @@ -1431,14 +2541,14 @@ class Renderer: solves HSR correctly only for convex meshes. """ - global progress + #global progress + # The sorting requires circa n*log(n) steps n = len(mesh.faces) - progress.setActivity("HSR: Painter", n*log(n)) - + progress.setActivity("HSR: Painter", n * log(n)) by_furthest_z = (lambda f1, f2: progress.update() and - cmp(max([v.co[2] for v in f1]), max([v.co[2] for v in f2])) + cmp(max([v.co[2] for v in f1]), max([v.co[2] for v in f2]) + EPS) ) # FIXME: using NMesh to sort faces. We should avoid that! @@ -1450,65 +2560,24 @@ class Renderer: nmesh.update() - def __topologicalDepthSort(self, mesh): - """Occlusion based on topological occlusion. - - Build the occlusion graph of the mesh, - and then do topological sort on that graph - """ - return - def __newellDepthSort(self, mesh): """Newell's depth sorting. """ - by_furthest_z = (lambda f1, f2: - cmp(max([v.co[2] for v in f1]), max([v.co[2] for v in f2])) - ) - - - def isOnSegment(v1, v2, p): - - # when p is at extreme points - if p == v1 or p == v2: - return False - - - EPS = 10e-7 - - l1 = (v1-p).length - l2 = (v2-p).length - l = (v1-v2).length - - print "l: ", l, " l1: ", l1, " l2: ", l2, "diff: %.9f" % (l - (l1+l2) ) - - if abs(l - (l1+l2)) < EPS: - return True - else: - return False - - - - def Distance(point, face): - """ Calculate the distance between a point and a face. - - An alternative but more expensive method can be: - - ip = Intersect(Vector(face[0]), Vector(face[1]), Vector(face[2]), - Vector(face.no), Vector(point), 0) - - d = Vector(ip - point).length - """ - plNormal = Vector(face.no) - plVert0 = Vector(face[0]) + #global progress - #d = abs( (point * plNormal ) - (plVert0 * plNormal) ) - d = (point * plNormal ) - (plVert0 * plNormal) - debug("d: %.10f - sel: %d, %s\n" % (d, face.sel, str(point)) ) - - return d + # Find non planar quads and convert them to triangle + #for f in mesh.faces: + # f.sel = 0 + # if is_nonplanar_quad(f.v): + # print "NON QUAD??" + # f.sel = 1 + # Now reselect all faces + for f in mesh.faces: + f.sel = 1 + mesh.quadToTriangle() # FIXME: using NMesh to sort faces. We should avoid that! nmesh = NMesh.GetRaw(mesh.name) @@ -1517,7 +2586,6 @@ class Renderer: nmesh.faces.sort(by_furthest_z) nmesh.faces.reverse() - # Begin depth sort tests # use the smooth flag to set marked faces @@ -1527,52 +2595,57 @@ class Renderer: facelist = nmesh.faces[:] maplist = [] - #EPS = 10e-7 - EPS = 0 - - global progress + # The steps are _at_least_ equal to len(facelist), we do not count the + # feces coming out from splitting!! progress.setActivity("HSR: Newell", len(facelist)) - progress.setQuiet(True) + #progress.setQuiet(True) - #while len(facelist)-1: while len(facelist): + debug("\n----------------------\n") + debug("len(facelits): %d\n" % len(facelist)) P = facelist[0] - pSign = 1 - if P.sel == 0: - pSign = -1 + pSign = sign(P.normal[2]) + + # We can discard faces parallel to the view vector + #if P.normal[2] == 0: + # facelist.remove(P) + # continue + + split_done = 0 + face_marked = 0 - #while False: for Q in facelist[1:]: debug("P.smooth: " + str(P.smooth) + "\n") debug("Q.smooth: " + str(Q.smooth) + "\n") debug("\n") - qSign = 1 - if Q.sel == 0: - qSign = -1 - - # We need to test only those Qs whose furthest vertex + qSign = sign(Q.normal[2]) + # TODO: check also if Q is parallel?? + + # Test 0: We need to test only those Qs whose furthest vertex # is closer to the observer than the closest vertex of P. zP = [v.co[2] for v in P.v] zQ = [v.co[2] for v in Q.v] - ZOverlap = min(zP) < max(zQ) + notZOverlap = min(zP) > max(zQ) + EPS - if not ZOverlap: + if notZOverlap: debug("\nTest 0\n") debug("NOT Z OVERLAP!\n") - if not Q.smooth: - # We can safely print P + if Q.smooth == 0: + # If Q is not marked then we can safely print P break else: + debug("met a marked face\n") continue - + # Test 1: X extent overlapping xP = [v.co[0] for v in P.v] xQ = [v.co[0] for v in Q.v] - notXOverlap = (max(xP) < min(xQ)) or (max(xQ) < min(xP)) + #notXOverlap = (max(xP) <= min(xQ)) or (max(xQ) <= min(xP)) + notXOverlap = min(xQ) >= (max(xP) - EPS) or min(xP) >= (max(xQ) - EPS) if notXOverlap: debug("\nTest 1\n") @@ -1582,20 +2655,19 @@ class Renderer: # Test 2: Y extent Overlapping yP = [v.co[1] for v in P.v] yQ = [v.co[1] for v in Q.v] - notYOverlap = (max(yP) < min(yQ)) or (max(yQ) < min(yP)) + #notYOverlap = max(yP) <= min(yQ) or max(yQ) <= min(yP) + notYOverlap = min(yQ) >= (max(yP) - EPS) or min(yP) >= (max(yQ) - EPS) if notYOverlap: debug("\nTest 2\n") debug("NOT Y OVERLAP!\n") continue - # Test 3: P vertices are all behind the plane of Q n = 0 for Pi in P: - print P.col[0] - d = qSign * Distance(Vector(Pi), Q) - if d > EPS: + d = qSign * HSR.Distance(Vector(Pi), Q) + if d <= EPS: n += 1 pVerticesBehindPlaneQ = (n == len(P)) @@ -1604,13 +2676,11 @@ class Renderer: debug("P BEHIND Q!\n") continue - # Test 4: Q vertices in front of the plane of P n = 0 for Qi in Q: - print Q.col[0] - d = pSign * Distance(Vector(Qi), P) - if d <= EPS: + d = pSign * HSR.Distance(Vector(Qi), P) + if d >= -EPS: n += 1 qVerticesInFrontPlaneP = (n == len(Q)) @@ -1619,64 +2689,35 @@ class Renderer: debug("Q IN FRONT OF P!\n") continue - # Test 5: Line Intersections... TODO - # Check if polygons effectively overlap each other, not only - # boundig boxes as dome before. - # Since we We are working in normalized projection coordinates - # we kust check if polygons intersect. - - def projectionsOverlap(P, Q): - - for i in range(0, len(P.v)): - - v1 = Vector(P.v[i-1]) - v1[2] = 0 - v2 = Vector(P.v[i]) - v2[2] = 0 - - for j in range(0, len(Q.v)): - v3 = Vector(Q.v[j-1]) - v3[2] = 0 - v4 = Vector(Q.v[j]) - v4[2] = 0 - - ret = LineIntersect(v1, v2, v3, v4) - # if line v1-v2 and v3-v4 intersect both return - # values are the same. - if ret and ret[0] == ret[1] and isOnSegment(v1, v2, - ret[0]) and isOnSegment(v3, v4, ret[1]): - debug("Projections OVERLAP!!\n") - debug("line1:"+ - " M "+ str(v1[0])+','+str(v1[1]) + ' L ' + str(v2[0])+','+str(v2[1]) + '\n' + - " M "+ str(v3[0])+','+str(v3[1]) + ' L ' + str(v4[0])+','+str(v4[1]) + '\n' + - "\n") - debug("return: "+ str(ret)+"\n") - return True - - return False + # Test 5: Check if projections of polygons effectively overlap, + # in previous tests we checked only bounding boxes. - if not projectionsOverlap(P, Q): + #if not projectionsOverlap(P, Q): + if not (HSR.projectionsOverlap(P, Q) or HSR.projectionsOverlap(Q, P)): debug("\nTest 5\n") debug("Projections do not overlap!\n") continue + # We still can't say if P obscures Q. - # We do not know if P obscures Q. + # But if Q is marked we do a face-split trying to resolve a + # difficulty (maybe a visibility cycle). if Q.smooth == 1: - # Split P or Q, TODO - debug("Cycle detected!\n") + # Split P or Q + debug("Possibly a cycle detected!\n") debug("Split here!!\n") - continue + facelist = HSR.facesplit(P, Q, facelist, nmesh) + split_done = 1 + break # The question now is: Does Q obscure P? # Test 3bis: Q vertices are all behind the plane of P n = 0 for Qi in Q: - print Q.col[0] - d = pSign * Distance(Vector(Qi), P) - if d > EPS: + d = pSign * HSR.Distance(Vector(Qi), P) + if d <= EPS: n += 1 qVerticesBehindPlaneP = (n == len(Q)) @@ -1684,13 +2725,11 @@ class Renderer: debug("\nTest 3bis\n") debug("Q BEHIND P!\n") - # Test 4bis: P vertices in front of the plane of Q n = 0 for Pi in P: - print P.col[0] - d = qSign * Distance(Vector(Pi), Q) - if d <= EPS: + d = qSign * HSR.Distance(Vector(Pi), Q) + if d >= -EPS: n += 1 pVerticesInFrontPlaneQ = (n == len(P)) @@ -1698,57 +2737,47 @@ class Renderer: debug("\nTest 4bis\n") debug("P IN FRONT OF Q!\n") - - import intersection - + # We don't even know if Q does obscure P, so they should + # intersect each other, split one of them in two parts. if not qVerticesBehindPlaneP and not pVerticesInFrontPlaneQ: debug("\nSimple Intersection?\n") - # Split P or Q, TODO - print "Test 3bis or 4bis failed" - print "Split here!!2\n" - - """newfaces = intersection.splitOn(P, Q, 0) - print newfaces - facelist.remove(Q) - for nf in newfaces: - if nf: - nf.col = Q.col - facelist.append(nf) - """ - - break + debug("Test 3bis or 4bis failed\n") + debug("Split here!!2\n") - # We do not know - if Q.smooth: - # split P or Q - print "Split here!!\n" - """ - newfaces = intersection.splitOn(P, Q, 0) - facelist.remove(Q) - for nf in newfaces: - if nf: - nf.col = Q.col - facelist.append(nf) - - """ + facelist = HSR.facesplit(P, Q, facelist, nmesh) + split_done = 1 break - Q.smooth = 1 facelist.remove(Q) facelist.insert(0, Q) - - # Write P! - P = facelist[0] - facelist.remove(P) - maplist.append(P) + Q.smooth = 1 + face_marked = 1 + debug("Q marked!\n") + break + + # Write P! + if split_done == 0 and face_marked == 0: + facelist.remove(P) + maplist.append(P) + dumpfaces(maplist, "dump" + str(len(maplist)).zfill(4) + ".svg") + + progress.update() - progress .update() + if len(facelist) == 870: + dumpfaces([P, Q], "loopdebug.svg") + + #if facelist == None: + # maplist = [P, Q] + # print [v.co for v in P] + # print [v.co for v in Q] + # break + + # end of while len(facelist) - nmesh.faces = maplist + #for f in nmesh.faces: + # f.sel = 1 - for f in nmesh.faces: - f.sel = 1 nmesh.update() def _doHiddenSurfaceRemoval(self, mesh): @@ -1765,7 +2794,6 @@ class Renderer: print "\nUsing the Newell's algorithm for HSR." self.__newellDepthSort(mesh) - def _doEdgesStyle(self, mesh, edgestyleSelect): """Process Mesh Edges accroding to a given selection style. @@ -1784,7 +2812,7 @@ class Renderer: edge_cache = MeshUtils.buildEdgeFaceUsersCache(mesh) - for i,edge_faces in enumerate(edge_cache): + for i, edge_faces in enumerate(edge_cache): mesh.edges[i].sel = 0 if edgestyleSelect(edge_faces): mesh.edges[i].sel = 1 @@ -1796,7 +2824,7 @@ class Renderer: if edgestyleSelect(e, mesh): e.sel = 1 """ - + # # --------------------------------------------------------------------- @@ -1805,17 +2833,17 @@ class Renderer: # # --------------------------------------------------------------------- - from Blender import BGL, Draw from Blender.BGL import * + class GUI: - + def _init(): - # Output Format menu + # Output Format menu output_format = config.output['FORMAT'] - default_value = outputWriters.keys().index(output_format)+1 + default_value = outputWriters.keys().index(output_format) + 1 GUI.outFormatMenu = Draw.Create(default_value) GUI.evtOutFormatMenu = 0 @@ -1830,9 +2858,9 @@ class GUI: # Render filled polygons GUI.polygonsToggle = Draw.Create(config.polygons['SHOW']) - # Shading Style menu + # Shading Style menu shading_style = config.polygons['SHADING'] - default_value = shadingStyles.keys().index(shading_style)+1 + default_value = shadingStyles.keys().index(shading_style) + 1 GUI.shadingStyleMenu = Draw.Create(default_value) GUI.evtShadingStyleMenu = 21 @@ -1847,9 +2875,9 @@ class GUI: GUI.showHiddenEdgesToggle = Draw.Create(config.edges['SHOW_HIDDEN']) GUI.evtShowHiddenEdgesToggle = 5 - # Edge Style menu + # Edge Style menu edge_style = config.edges['STYLE'] - default_value = edgeStyles.keys().index(edge_style)+1 + default_value = edgeStyles.keys().index(edge_style) + 1 GUI.edgeStyleMenu = Draw.Create(default_value) GUI.evtEdgeStyleMenu = 6 @@ -1859,7 +2887,7 @@ class GUI: # Edge Color Picker c = config.edges['COLOR'] - GUI.edgeColorPicker = Draw.Create(c[0]/255.0, c[1]/255.0, c[2]/255.0) + GUI.edgeColorPicker = Draw.Create(c[0] / 255.0, c[1] / 255.0, c[2] / 255.0) GUI.evtEdgeColorPicker = 71 # Render Button @@ -1868,6 +2896,9 @@ class GUI: # Exit Button GUI.evtExitButton = 9 + # Save default button + GUI.evtSaveDefaultButton = 99 + def draw(): # initialize static members @@ -1875,9 +2906,12 @@ class GUI: glClear(GL_COLOR_BUFFER_BIT) glColor3f(0.0, 0.0, 0.0) - glRasterPos2i(10, 350) + glRasterPos2i(10, 380) Draw.Text("VRM: Vector Rendering Method script. Version %s." % __version__) + glRasterPos2i(10, 365) + Draw.Text("%s (c) 2012" % __author__) + glRasterPos2i(10, 335) Draw.Text("Press Q or ESC to quit.") @@ -1886,24 +2920,27 @@ class GUI: Draw.Text("Select the output Format:") outMenuStruct = "Output Format %t" for t in outputWriters.keys(): - outMenuStruct = outMenuStruct + "|%s" % t + outMenuStruct = outMenuStruct + "|%s" % t GUI.outFormatMenu = Draw.Menu(outMenuStruct, GUI.evtOutFormatMenu, - 10, 285, 160, 18, GUI.outFormatMenu.val, "Choose the Output Format") + 10, 285, 160, 18, GUI.outFormatMenu.val, "Choose the Output Format") # Animation toggle GUI.animToggle = Draw.Toggle("Animation", GUI.evtAnimToggle, - 10, 260, 160, 18, GUI.animToggle.val, - "Toggle rendering of animations") + 10, 260, 160, 18, GUI.animToggle.val, + "Toggle rendering of animations") # Join Objects toggle GUI.joinObjsToggle = Draw.Toggle("Join objects", GUI.evtJoinObjsToggle, - 10, 235, 160, 18, GUI.joinObjsToggle.val, - "Join objects in the rendered file") + 10, 235, 160, 18, GUI.joinObjsToggle.val, + "Join objects in the rendered file") # Render Button - Draw.Button("Render", GUI.evtRenderButton, 10, 210-25, 75, 25+18, - "Start Rendering") - Draw.Button("Exit", GUI.evtExitButton, 95, 210-25, 75, 25+18, "Exit!") + Draw.Button("Render", GUI.evtRenderButton, 10, 210 - 25, 75, 25 + 18, + "Start Rendering") + Draw.Button("Exit", GUI.evtExitButton, 95, 210 - 25, 75, 25 + 18, "Exit!") + + Draw.Button("Save settings as default", GUI.evtSaveDefaultButton, 10, 210 - 50, 160, 18, + "Save settings as default") # Rendering Styles glRasterPos2i(200, 310) @@ -1911,8 +2948,8 @@ class GUI: # Render Polygons GUI.polygonsToggle = Draw.Toggle("Filled Polygons", GUI.evtPolygonsToggle, - 200, 285, 160, 18, GUI.polygonsToggle.val, - "Render filled polygons") + 200, 285, 160, 18, GUI.polygonsToggle.val, + "Render filled polygons") if GUI.polygonsToggle.val == 1: @@ -1921,42 +2958,38 @@ class GUI: for t in shadingStyles.keys(): shadingStyleMenuStruct = shadingStyleMenuStruct + "|%s" % t.lower() GUI.shadingStyleMenu = Draw.Menu(shadingStyleMenuStruct, GUI.evtShadingStyleMenu, - 200, 260, 160, 18, GUI.shadingStyleMenu.val, - "Choose the shading style") - + 200, 260, 160, 18, GUI.shadingStyleMenu.val, + "Choose the shading style") # Render Edges GUI.showEdgesToggle = Draw.Toggle("Show Edges", GUI.evtShowEdgesToggle, - 200, 235, 160, 18, GUI.showEdgesToggle.val, - "Render polygon edges") + 200, 235, 160, 18, GUI.showEdgesToggle.val, + "Render polygon edges") if GUI.showEdgesToggle.val == 1: - + # Edge Style edgeStyleMenuStruct = "Edge Style %t" for t in edgeStyles.keys(): edgeStyleMenuStruct = edgeStyleMenuStruct + "|%s" % t.lower() GUI.edgeStyleMenu = Draw.Menu(edgeStyleMenuStruct, GUI.evtEdgeStyleMenu, - 200, 210, 160, 18, GUI.edgeStyleMenu.val, - "Choose the edge style") + 200, 210, 160, 18, GUI.edgeStyleMenu.val, + "Choose the edge style") # Edge size GUI.edgeWidthSlider = Draw.Slider("Width: ", GUI.evtEdgeWidthSlider, - 200, 185, 140, 18, GUI.edgeWidthSlider.val, - 0.0, 10.0, 0, "Change Edge Width") + 200, 185, 140, 18, GUI.edgeWidthSlider.val, + 0.0, 10.0, 0, "Change Edge Width") # Edge Color GUI.edgeColorPicker = Draw.ColorPicker(GUI.evtEdgeColorPicker, - 342, 185, 18, 18, GUI.edgeColorPicker.val, "Choose Edge Color") + 342, 185, 18, 18, GUI.edgeColorPicker.val, "Choose Edge Color") # Show Hidden Edges GUI.showHiddenEdgesToggle = Draw.Toggle("Show Hidden Edges", - GUI.evtShowHiddenEdgesToggle, - 200, 160, 160, 18, GUI.showHiddenEdgesToggle.val, - "Render hidden edges as dashed lines") - - glRasterPos2i(10, 160) - Draw.Text("%s (c) 2006" % __author__) + GUI.evtShowHiddenEdgesToggle, + 200, 160, 160, 18, GUI.showHiddenEdgesToggle.val, + "Render hidden edges as dashed lines") def event(evt, val): @@ -1974,7 +3007,10 @@ class GUI: elif evt == GUI.evtOutFormatMenu: i = GUI.outFormatMenu.val - 1 - config.output['FORMAT']= outputWriters.keys()[i] + config.output['FORMAT'] = outputWriters.keys()[i] + # Set the new output file + global outputfile + outputfile = Blender.sys.splitext(basename)[0] + "." + str(config.output['FORMAT']).lower() elif evt == GUI.evtAnimToggle: config.output['ANIMATION'] = bool(GUI.animToggle.val) @@ -2003,7 +3039,7 @@ class GUI: config.edges['WIDTH'] = float(GUI.edgeWidthSlider.val) elif evt == GUI.evtEdgeColorPicker: - config.edges['COLOR'] = [int(c*255.0) for c in GUI.edgeColorPicker.val] + config.edges['COLOR'] = [int(c * 255.0) for c in GUI.edgeColorPicker.val] elif evt == GUI.evtRenderButton: label = "Save %s" % config.output['FORMAT'] @@ -2011,6 +3047,9 @@ class GUI: global outputfile Blender.Window.FileSelector(vectorize, label, outputfile) + elif evt == GUI.evtSaveDefaultButton: + config.saveToRegistry() + else: print "Event: %d not handled!" % evt @@ -2031,10 +3070,11 @@ class GUI: button_event = staticmethod(button_event) conf_debug = staticmethod(conf_debug) + # A wrapper function for the vectorizing process def vectorize(filename): """The vectorizing process is as follows: - + - Instanciate the writer and the renderer - Render! """ @@ -2045,24 +3085,31 @@ def vectorize(filename): from Blender import Window editmode = Window.EditMode() - if editmode: Window.EditMode(0) + if editmode: + Window.EditMode(0) actualWriter = outputWriters[config.output['FORMAT']] writer = actualWriter(filename) - + renderer = Renderer() renderer.doRendering(writer, config.output['ANIMATION']) - if editmode: Window.EditMode(1) + if editmode: + Window.EditMode(1) -# We use a global progress Indicator Object -progress = None # Here the main if __name__ == "__main__": global progress + config.loadFromRegistry() + + # initialize writer setting also here to configure writer specific + # settings on startup + actualWriter = outputWriters[config.output['FORMAT']] + writer = actualWriter("") + outputfile = "" basename = Blender.sys.basename(Blender.Get('filename')) if basename != "":