+ 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
+
+ print "Outputting to: ", self.outputFileName
+
+ return
+
+ def close(self):
+ return
+
+ def printCanvas(self, scene, doPrintPolygons=True, doPrintEdges=False,
+ showHiddenEdges=False):
+ """This is the interface for the needed printing routine.
+ """
+ return
+
+
+## SVG Writer
+
+class SVGVectorWriter(VectorWriter):
+ """A concrete class for writing SVG output.
+ """
+
+ def __init__(self, fileName):
+ """Simply call the parent Contructor.
+ """
+ VectorWriter.__init__(self, fileName)
+
+ self.file = None
+
+
+ ##
+ # Public Methods
+ #
+
+ def open(self, startFrame=1, endFrame=1):
+ """Do some initialization operations.
+ """
+ VectorWriter.open(self, startFrame, endFrame)
+
+ self.file = open(self.outputFileName, "w")
+
+ self._printHeader()
+
+ def close(self):
+ """Do some finalization operation.
+ """
+ self._printFooter()
+
+ 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.objects
+
+ context = scene.getRenderingContext()
+ framenumber = context.currentFrame()
+
+ if self.animation:
+ 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("<g id=\"frame%d\" style=\"%s\">\n" %
+ (framenumber, framestyle) )
+
+
+ for obj in Objects:
+
+ if(obj.getType() != 'Mesh'):
+ continue
+
+ self.file.write("<g id=\"%s\">\n" % obj.getName())
+
+ mesh = obj.getData(mesh=1)
+
+ if doPrintPolygons:
+ self._printPolygons(mesh)
+
+ if doPrintEdges:
+ self._printEdges(mesh, showHiddenEdges)
+
+ self.file.write("</g>\n")
+
+ self.file.write("</g>\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
+
+ # 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 _printHeader(self):
+ """Print SVG header."""
+
+ self.file.write("<?xml version=\"1.0\"?>\n")
+ self.file.write("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.0//EN\"\n")
+ self.file.write("\t\"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n")
+ self.file.write("<svg version=\"1.0\"\n")
+ self.file.write("\txmlns=\"http://www.w3.org/2000/svg\"\n")
+ self.file.write("\twidth=\"%d\" height=\"%d\">\n\n" %
+ self.canvasSize)
+
+ if self.animation:
+ delay = 1000/self.fps
+
+ self.file.write("""\n<script type="text/javascript"><![CDATA[
+ globalStartFrame=%d;
+ globalEndFrame=%d;
+
+ timerID = setInterval("NextFrame()", %d);
+ globalFrameCounter=%d;
+ \n""" % (self.startFrame, self.endFrame, delay, self.startFrame) )
+
+ self.file.write("""\n
+ function NextFrame()
+ {
+ currentElement = document.getElementById('frame'+globalFrameCounter)
+ previousElement = document.getElementById('frame'+(globalFrameCounter-1))
+
+ if (!currentElement)
+ {
+ return;
+ }
+
+ if (globalFrameCounter > globalEndFrame)
+ {
+ clearInterval(timerID)
+ }
+ else
+ {
+ if(previousElement)
+ {
+ previousElement.style.display="none";
+ }
+ currentElement.style.display="block";
+ globalFrameCounter++;
+ }
+ }
+ \n]]></script>\n
+ \n""")
+
+ def _printFooter(self):
+ """Print the SVG footer."""
+
+ self.file.write("\n</svg>\n")
+
+ def _printPolygons(self, mesh):
+ """Print the selected (visible) polygons.
+ """
+
+ if len(mesh.faces) == 0:
+ return
+
+ self.file.write("<g>\n")
+
+ for face in mesh.faces:
+ if not face.sel:
+ continue
+
+ self.file.write("<path d=\"")
+
+ #p = self._calcCanvasCoord(face.verts[0])
+ p = self._calcCanvasCoord(face.v[0])
+ self.file.write("M %g,%g L " % (p[0], p[1]))
+
+ for v in face.v[1:]:
+ p = self._calcCanvasCoord(v)
+ self.file.write("%g,%g " % (p[0], p[1]))
+
+ # get rid of the last blank space, just cosmetics here.
+ self.file.seek(-1, 1)
+ self.file.write(" z\"\n")
+
+ # take as face color the first vertex color
+ if face.col:
+ fcol = face.col[0]
+ color = [fcol.r, fcol.g, fcol.b, fcol.a]
+ else:
+ color = [255, 255, 255, 255]
+
+ # Convert the color to the #RRGGBB form
+ str_col = "#%02X%02X%02X" % (color[0], color[1], color[2])
+
+ # Handle transparent polygons
+ opacity_string = ""
+ if color[3] != 255:
+ opacity = float(color[3])/255.0
+ opacity_string = " fill-opacity: %g; stroke-opacity: %g; opacity: 1;" % (opacity, opacity)
+ #opacity_string = "opacity: %g;" % (opacity)
+
+ self.file.write("\tstyle=\"fill:" + str_col + ";")
+ self.file.write(opacity_string)
+
+ # use the stroke property to alleviate the "adjacent edges" problem,
+ # we simulate polygon expansion using borders,
+ # see http://www.antigrain.com/svg/index.html for more info
+ stroke_width = 1.0
+
+ # EXPANSION TRICK is not that useful where there is transparency
+ if config.polygons['EXPANSION_TRICK'] and color[3] == 255:
+ # str_col = "#000000" # For debug
+ self.file.write(" stroke:%s;\n" % str_col)
+ self.file.write(" stroke-width:" + str(stroke_width) + ";\n")
+ self.file.write(" stroke-linecap:round;stroke-linejoin:round")
+
+ self.file.write("\"/>\n")
+
+ self.file.write("</g>\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("<g>\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("<line x1=\"%g\" y1=\"%g\" x2=\"%g\" y2=\"%g\"\n"
+ % ( p1[0], p1[1], p2[0], p2[1] ) )
+ self.file.write(" style=\"stroke:rgb("+str(stroke_col[0])+","+str(stroke_col[1])+","+str(stroke_col[2])+");")
+ self.file.write(" stroke-width:"+str(stroke_width)+";\n")
+ self.file.write(" stroke-linecap:round;stroke-linejoin:round")
+ self.file.write(hidden_stroke_style)
+ self.file.write("\"/>\n")
+
+ self.file.write("</g>\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)
projects / vrm.git / blobdiff