Removed reportlab

bzr revid: pinky-6fa6b5bb1cfc5dd54307cd22a31f527d28d61e05

1 files changed, 0 insertions, 351 deletions

diff --git a/bin/reportlab/graphics/renderbase.py b/bin/reportlab/graphics/renderbase.py
deleted file mode 100644
index 10282e15af4..00000000000
--- a/bin/reportlab/graphics/renderbase.py
+++ /dev/null
@@ -1,351 +0,0 @@
-#Copyright ReportLab Europe Ltd. 2000-2004
-#see license.txt for license details
-#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/graphics/renderbase.py
-"""
-Superclass for renderers to factor out common functionality and default implementations.
-"""
-
-
-__version__=''' $Id $ '''
-
-from reportlab.graphics.shapes import *
-from reportlab.lib.validators import DerivedValue
-from reportlab import rl_config
-
-def inverse(A):
-    "For A affine 2D represented as 6vec return 6vec version of A**(-1)"
-    # I checked this RGB
-    det = float(A[0]*A[3] - A[2]*A[1])
-    R = [A[3]/det, -A[1]/det, -A[2]/det, A[0]/det]
-    return tuple(R+[-R[0]*A[4]-R[2]*A[5],-R[1]*A[4]-R[3]*A[5]])
-
-def mmult(A, B):
-    "A postmultiplied by B"
-    # I checked this RGB
-    # [a0 a2 a4]    [b0 b2 b4]
-    # [a1 a3 a5] *  [b1 b3 b5]
-    # [      1 ]    [      1 ]
-    #
-    return (A[0]*B[0] + A[2]*B[1],
-            A[1]*B[0] + A[3]*B[1],
-            A[0]*B[2] + A[2]*B[3],
-            A[1]*B[2] + A[3]*B[3],
-            A[0]*B[4] + A[2]*B[5] + A[4],
-            A[1]*B[4] + A[3]*B[5] + A[5])
-
-
-def getStateDelta(shape):
-    """Used to compute when we need to change the graphics state.
-    For example, if we have two adjacent red shapes we don't need
-    to set the pen color to red in between. Returns the effect
-    the given shape would have on the graphics state"""
-    delta = {}
-    for (prop, value) in shape.getProperties().items():
-        if STATE_DEFAULTS.has_key(prop):
-            delta[prop] = value
-    return delta
-
-
-class StateTracker:
-    """Keeps a stack of transforms and state
-    properties.  It can contain any properties you
-    want, but the keys 'transform' and 'ctm' have
-    special meanings.  The getCTM()
-    method returns the current transformation
-    matrix at any point, without needing to
-    invert matrixes when you pop."""
-    def __init__(self, defaults=None):
-        # one stack to keep track of what changes...
-        self._deltas = []
-
-        # and another to keep track of cumulative effects.  Last one in
-        # list is the current graphics state.  We put one in to simplify
-        # loops below.
-        self._combined = []
-        if defaults is None:
-            defaults = STATE_DEFAULTS.copy()
-        #ensure  that if we have a transform, we have a CTM
-        if defaults.has_key('transform'):
-            defaults['ctm'] = defaults['transform']
-        self._combined.append(defaults)
-
-    def push(self,delta):
-        """Take a new state dictionary of changes and push it onto
-        the stack.  After doing this, the combined state is accessible
-        through getState()"""
-
-        newstate = self._combined[-1].copy()
-        for (key, value) in delta.items():
-            if key == 'transform':  #do cumulative matrix
-                newstate['transform'] = delta['transform']
-                newstate['ctm'] = mmult(self._combined[-1]['ctm'], delta['transform'])
-                #print 'statetracker transform = (%0.2f, %0.2f, %0.2f, %0.2f, %0.2f, %0.2f)' % tuple(newstate['transform'])
-                #print 'statetracker ctm = (%0.2f, %0.2f, %0.2f, %0.2f, %0.2f, %0.2f)' % tuple(newstate['ctm'])
-
-            else:  #just overwrite it
-                newstate[key] = value
-
-        self._combined.append(newstate)
-        self._deltas.append(delta)
-
-    def pop(self):
-        """steps back one, and returns a state dictionary with the
-        deltas to reverse out of wherever you are.  Depending
-        on your back end, you may not need the return value,
-        since you can get the complete state afterwards with getState()"""
-        del self._combined[-1]
-        newState = self._combined[-1]
-        lastDelta = self._deltas[-1]
-        del  self._deltas[-1]
-        #need to diff this against the last one in the state
-        reverseDelta = {}
-        #print 'pop()...'
-        for key, curValue in lastDelta.items():
-            #print '   key=%s, value=%s' % (key, curValue)
-            prevValue = newState[key]
-            if prevValue <> curValue:
-                #print '    state popping "%s"="%s"' % (key, curValue)
-                if key == 'transform':
-                    reverseDelta[key] = inverse(lastDelta['transform'])
-                else:  #just return to previous state
-                    reverseDelta[key] = prevValue
-        return reverseDelta
-
-    def getState(self):
-        "returns the complete graphics state at this point"
-        return self._combined[-1]
-
-    def getCTM(self):
-        "returns the current transformation matrix at this point"""
-        return self._combined[-1]['ctm']
-
-    def __getitem__(self,key):
-        "returns the complete graphics state value of key at this point"
-        return self._combined[-1][key]
-
-    def __setitem__(self,key,value):
-        "sets the complete graphics state value of key to value"
-        self._combined[-1][key] = value
-
-def testStateTracker():
-    print 'Testing state tracker'
-    defaults = {'fillColor':None, 'strokeColor':None,'fontName':None, 'transform':[1,0,0,1,0,0]}
-    deltas = [
-        {'fillColor':'red'},
-        {'fillColor':'green', 'strokeColor':'blue','fontName':'Times-Roman'},
-        {'transform':[0.5,0,0,0.5,0,0]},
-        {'transform':[0.5,0,0,0.5,2,3]},
-        {'strokeColor':'red'}
-        ]
-
-    st = StateTracker(defaults)
-    print 'initial:', st.getState()
-    print
-    for delta in deltas:
-        print 'pushing:', delta
-        st.push(delta)
-        print 'state:  ',st.getState(),'\n'
-
-    for delta in deltas:
-        print 'popping:',st.pop()
-        print 'state:  ',st.getState(),'\n'
-
-
-def _expandUserNode(node,canvas):
-    if isinstance(node, UserNode):
-        try:
-            if hasattr(node,'_canvas'):
-                ocanvas = 1
-            else:
-                node._canvas = canvas
-                ocanvas = None
-            onode = node
-            node = node.provideNode()
-        finally:
-            if not ocanvas: del onode._canvas
-    return node
-
-def renderScaledDrawing(d):
-    renderScale = d.renderScale
-    if renderScale!=1.0:
-        d = d.copy()
-        d.width *= renderScale
-        d.height *= renderScale
-        d.scale(renderScale,renderScale)
-        d.renderScale = 1.0
-    return d
-
-class Renderer:
-    """Virtual superclass for graphics renderers."""
-
-    def __init__(self):
-        self._tracker = StateTracker()
-        self._nodeStack = []   #track nodes visited
-
-    def undefined(self, operation):
-        raise ValueError, "%s operation not defined at superclass class=%s" %(operation, self.__class__)
-
-    def draw(self, drawing, canvas, x=0, y=0, showBoundary=rl_config._unset_):
-        """This is the top level function, which draws the drawing at the given
-        location. The recursive part is handled by drawNode."""
-        #stash references for ease of  communication
-        if showBoundary is rl_config._unset_: showBoundary=rl_config.showBoundary
-        self._canvas = canvas
-        canvas.__dict__['_drawing'] = self._drawing = drawing
-        drawing._parent = None
-        try:
-            #bounding box
-            if showBoundary: canvas.rect(x, y, drawing.width, drawing.height)
-            canvas.saveState()
-            self.initState(x,y)  #this is the push()
-            self.drawNode(drawing)
-            self.pop()
-            canvas.restoreState()
-        finally:
-            #remove any circular references
-            del self._canvas, self._drawing, canvas._drawing, drawing._parent
-
-    def initState(self,x,y):
-        deltas = STATE_DEFAULTS.copy()
-        deltas['transform'] = [1,0,0,1,x,y]
-        self._tracker.push(deltas)
-        self.applyStateChanges(deltas, {})
-
-    def pop(self):
-        self._tracker.pop()
-
-    def drawNode(self, node):
-        """This is the recursive method called for each node
-        in the tree"""
-        # Undefined here, but with closer analysis probably can be handled in superclass
-        self.undefined("drawNode")
-
-    def getStateValue(self, key):
-        """Return current state parameter for given key"""
-        currentState = self._tracker._combined[-1]
-        return currentState[key]
-    
-    def fillDerivedValues(self, node):
-        """Examine a node for any values which are Derived,
-        and replace them with their calculated values.
-        Generally things may look at the drawing or their
-        parent.
-        
-        """
-        for (key, value) in node.__dict__.items():
-            if isinstance(value, DerivedValue):
-                #just replace with default for key?
-                #print '    fillDerivedValues(%s)' % key
-                newValue = value.getValue(self, key)
-                #print '   got value of %s' % newValue
-                node.__dict__[key] = newValue
-
-    def drawNodeDispatcher(self, node):
-        """dispatch on the node's (super) class: shared code"""
-
-        canvas = getattr(self,'_canvas',None)
-        # replace UserNode with its contents
-
-        try:
-            node = _expandUserNode(node,canvas)
-            if hasattr(node,'_canvas'):
-                ocanvas = 1
-            else:
-                node._canvas = canvas
-                ocanvas = None
-
-            self.fillDerivedValues(node)
-            #draw the object, or recurse
-            if isinstance(node, Line):
-                self.drawLine(node)
-            elif isinstance(node, Image):
-                self.drawImage(node)
-            elif isinstance(node, Rect):
-                self.drawRect(node)
-            elif isinstance(node, Circle):
-                self.drawCircle(node)
-            elif isinstance(node, Ellipse):
-                self.drawEllipse(node)
-            elif isinstance(node, PolyLine):
-                self.drawPolyLine(node)
-            elif isinstance(node, Polygon):
-                self.drawPolygon(node)
-            elif isinstance(node, Path):
-                self.drawPath(node)
-            elif isinstance(node, String):
-                self.drawString(node)
-            elif isinstance(node, Group):
-                self.drawGroup(node)
-            elif isinstance(node, Wedge):
-                self.drawWedge(node)
-            else:
-                print 'DrawingError','Unexpected element %s in drawing!' % str(node)
-        finally:
-            if not ocanvas: del node._canvas
-
-    _restores = {'stroke':'_stroke','stroke_width': '_lineWidth','stroke_linecap':'_lineCap',
-                'stroke_linejoin':'_lineJoin','fill':'_fill','font_family':'_font',
-                'font_size':'_fontSize'}
-
-    def drawGroup(self, group):
-        # just do the contents.  Some renderers might need to override this
-        # if they need a flipped transform
-        canvas = getattr(self,'_canvas',None)
-        for node in group.getContents():
-            node = _expandUserNode(node,canvas)
-
-            #here is where we do derived values - this seems to get everything. Touch wood.            
-            self.fillDerivedValues(node)
-            try:
-                if hasattr(node,'_canvas'):
-                    ocanvas = 1
-                else:
-                    node._canvas = canvas
-                    ocanvas = None
-                node._parent = group
-                self.drawNode(node)
-            finally:
-                del node._parent
-                if not ocanvas: del node._canvas
-
-    def drawWedge(self, wedge):
-        # by default ask the wedge to make a polygon of itself and draw that!
-        #print "drawWedge"
-        polygon = wedge.asPolygon()
-        self.drawPolygon(polygon)
-
-    def drawPath(self, path):
-        polygons = path.asPolygons()
-        for polygon in polygons:
-                self.drawPolygon(polygon)
-
-    def drawRect(self, rect):
-        # could be implemented in terms of polygon
-        self.undefined("drawRect")
-
-    def drawLine(self, line):
-        self.undefined("drawLine")
-
-    def drawCircle(self, circle):
-        self.undefined("drawCircle")
-
-    def drawPolyLine(self, p):
-        self.undefined("drawPolyLine")
-
-    def drawEllipse(self, ellipse):
-        self.undefined("drawEllipse")
-
-    def drawPolygon(self, p):
-        self.undefined("drawPolygon")
-
-    def drawString(self, stringObj):
-        self.undefined("drawString")
-
-    def applyStateChanges(self, delta, newState):
-        """This takes a set of states, and outputs the operators
-        needed to set those properties"""
-        self.undefined("applyStateChanges")
-
-if __name__=='__main__':
-    print "this file has no script interpretation"
-    print __doc__