def read_path(filename): path = CreatePath() paths = [path] points = [] file = open(filename) closed = 0 for line in file.readlines(): try: key, rest = split(line, ':', 1) except: continue if key == 'TYPE': rest = lstrip(rest) match = rx_point.match(rest) if match is not None: type = int(match.group('type')) p = Point(float(match.group('x')), float(match.group('y'))) if type == BEZIER_MOVE: if closed and points: path.AppendBezier(points[0], points[1], path.Node(0)) path.ClosePath() points = [] path = CreatePath() paths.append(path) path.AppendLine(p) elif type == BEZIER_ANCHOR: if path.len == 0: path.AppendLine(p) else: if path.Node(-1) == points[0] and points[1] == p: path.AppendLine(p) else: path.AppendBezier(points[0], points[1], p) points = [] elif type == BEZIER_CONTROL: points.append(p) elif key == 'CLOSED': closed = int(rest) if closed and points: if path.Node(-1) == points[0] and points[1] == path.Node(0): path.AppendLine(path.Node(0)) else: path.AppendBezier(points[0], points[1], path.Node(0)) path.ClosePath() return tuple(paths)
def create_spiral_path(rotation, radius): r = unit.convert(radius) rate = r / (rotation * 2 * pi) def tangent(phi, a=0.55197 * rate): return a * Point(cos(phi) - phi * sin(phi), sin(phi) + phi * cos(phi)) pi2 = pi / 2.0 angle = 0 tang = tangent(0) path = CreatePath() p = Point(0, 0) path.AppendLine(p) for i in range(rotation * 4): p1 = p + tang angle = pi2 * (i + 1) p = Polar(rate * angle, angle) tang = tangent(angle) p2 = p - tang path.AppendBezier(p1, p2, p, ContSymmetrical) return path
def read_objects(self, objects): n_objects = 0 # Traverse the list of drawfile object for object in objects: if isinstance(object, drawfile.group): # Start a group object in the document self.begin_group() # Descend into the group n_objects_lower = self.read_objects(object.objects) # If the group was empty then don't try to end it if n_objects_lower == 0: # self.__pop() (self.composite_class, self.composite_args, self.composite_items, self.composite_stack) = self.composite_stack else: # End group object self.end_group() n_objects = n_objects + 1 elif isinstance(object, drawfile.tagged): # Tagged object n_objects_lower = self.read_objects([object.object]) if n_objects_lower != 0: n_objects = n_objects + 1 elif isinstance(object, drawfile.path): # Path object n_objects = n_objects + 1 # Set the path style self.style.line_width = object.width / scale if object.style['join'] == 'mitred': self.style.line_join = const.JoinMiter if object.style['start cap'] == 'butt': self.style.line_cap = const.CapButt elif object.style['start cap'] == 'round': if object.width > 0: width = 0.5 length = 0.5 else: width = 0.0 length = 0.0 # Draw arrow path = [(0.0, width), (0.5 * length, width, length, 0.5 * width, length, 0.0), (length, -0.5 * width, 0.5 * length, -width, 0.0, -width), (0.0, width)] self.style.line_arrow1 = Arrow(path, 1) elif object.style['start cap'] == 'square': if object.width > 0: width = 0.5 length = 0.5 else: width = 0.0 length = 0.0 # Draw arrow path = [(0.0, width), (length, width), (length, -width), (0.0, -width), (0.0, width)] self.style.line_arrow1 = Arrow(path, 1) elif object.style['start cap'] == 'triangular': if object.width > 0: width = object.style['triangle cap width'] / 16.0 length = object.style['triangle cap length'] / 16.0 else: width = 0.0 length = 0.0 # Draw arrow path = [(0.0, width), (length, 0.0), (0.0, -width), (0.0, width)] self.style.line_arrow1 = Arrow(path, 1) if (object.width / scale) < 1.0: self.style.line_arrow1.path.Transform( Scale(object.width / scale, object.width / scale)) if object.style['end cap'] == 'butt': self.style.line_cap = const.CapButt elif object.style['end cap'] == 'round': if object.width > 0: width = 0.5 length = 0.5 else: width = 0.0 length = 0.0 # Draw arrow path = [(0.0, width), (0.5 * length, width, length, 0.5 * width, length, 0.0), (length, -0.5 * width, 0.5 * length, -width, 0.0, -width), (0.0, width)] self.style.line_arrow2 = Arrow(path, 1) elif object.style['end cap'] == 'square': if object.width > 0: width = 0.5 length = 0.5 else: width = 0.0 length = 0.0 # Draw arrow path = [(0.0, width), (length, width), (length, -width), (0.0, -width), (0.0, width)] self.style.line_arrow2 = Arrow(path, 1) elif object.style['end cap'] == 'triangular': if object.width > 0: width = object.style['triangle cap width'] / 16.0 length = object.style['triangle cap length'] / 16.0 else: width = 0.0 length = 0.0 # Draw arrow path = [(0.0, width), (length, 0.0), (0.0, -width), (0.0, width)] self.style.line_arrow2 = Arrow(path, 1) if (object.width / scale) < 1.0: self.style.line_arrow2.path.Transform( Scale(object.width / scale, object.width / scale)) # Outline colour if object.outline == [255, 255, 255, 255]: self.style.line_pattern = EmptyPattern else: self.style.line_pattern = SolidPattern( CreateRGBColor( float(object.outline[1]) / 255.0, float(object.outline[2]) / 255.0, float(object.outline[3]) / 255.0)) # Fill colour if object.fill == [255, 255, 255, 255]: self.style.fill_pattern = EmptyPattern else: self.style.fill_pattern = SolidPattern( CreateRGBColor( float(object.fill[1]) / 255.0, float(object.fill[2]) / 255.0, float(object.fill[3]) / 255.0)) # Dash pattern if object.style['dash pattern'] == 'present': line_dashes = [] for n in object.pattern: line_dashes.append(int(n / scale)) self.style.line_dashes = tuple(line_dashes) # Create a list of path objects in the document paths = [] path = None # Examine the path elements for element in object.path: if element[0] == 'move': x, y = self.relative(element[1][0], element[1][1]) # Add any previous path to the list if path != None: # path.load_close() paths.append(path) path = CreatePath() path.AppendLine(x, y) elif element[0] == 'draw': x, y = self.relative(element[1][0], element[1][1]) path.AppendLine(x, y) elif element[0] == 'bezier': x1, y1 = self.relative(element[1][0], element[1][1]) x2, y2 = self.relative(element[2][0], element[2][1]) x, y = self.relative(element[3][0], element[3][1]) path.AppendBezier(x1, y1, x2, y2, x, y) elif element[0] == 'close': path.ClosePath() elif element[0] == 'end': # Should be the last object in the path # path.load_close() paths.append(path) break # Create a bezier object if paths != []: self.bezier(tuple(paths)) elif isinstance(object, drawfile.font_table): # Font table n_objects = n_objects + 1 # Set object level instance self.font_table = object.font_table elif isinstance(object, drawfile.text): # Text object n_objects = n_objects + 1 # Determine the font if self.font_table.has_key(object.style): self.style.font = RISCOSFont(self.font_table[object.style]) else: self.style.font = GetFont('Times Roman') # The size self.style.font_size = object.size[0] / scale # Outline colour if object.background == [255, 255, 255, 255]: self.style.line_pattern = EmptyPattern else: self.style.line_pattern = SolidPattern( CreateRGBColor( float(object.background[1]) / 255.0, float(object.background[2]) / 255.0, float(object.background[3]) / 255.0)) # Fill colour if object.foreground == [255, 255, 255, 255]: self.style.fill_pattern = EmptyPattern else: self.style.fill_pattern = SolidPattern( CreateRGBColor( float(object.foreground[1]) / 255.0, float(object.foreground[2]) / 255.0, float(object.foreground[3]) / 255.0)) # Transformation if hasattr(object, 'transform'): x, y = object.transform[4] / scale, object.transform[ 5] / scale ox, oy = self.relative(object.baseline[0], object.baseline[1]) transform = Trafo(object.transform[0] / 65536.0, object.transform[1] / 65536.0, object.transform[2] / 65536.0, object.transform[3] / 65536.0, ox + x, oy + y) else: transform = Translation( self.relative(object.baseline[0], object.baseline[1])) # Write the text self.simple_text(object.text, transform) elif isinstance(object, drawfile.jpeg): # JPEG object n_objects = n_objects + 1 # Transformation matrix x, y = self.relative(object.transform[4], object.transform[5]) # Scale the object using the dpi information available, noting # that unlike Draw which uses 90 dpi, Sketch uses 72 dpi. # (I assume this since 90 dpi Drawfile JPEG objects appear 1.25 # times larger in Sketch if no scaling is performed here.) scale_x = (object.transform[0] / 65536.0) * (72.0 / object.dpi_x) scale_y = (object.transform[3] / 65536.0) * (72.0 / object.dpi_y) transform = Trafo(scale_x, object.transform[1] / 65536.0, object.transform[2] / 65536.0, scale_y, x, y) # Decode the JPEG image image = Image.open(StringIO.StringIO(object.image)) # # Read dimensions of images in pixels # width, height = image.size # # # Divide these by the dpi values to obtain the size of the # # image in inches # width, height = width/float(object.dpi_x), \ # height/float(object.dpi_y) # image.load() self.image(image, transform) elif isinstance(object, drawfile.sprite): # Sprite object n_objects = n_objects + 1 # Transformation matrix if hasattr(object, 'transform'): x, y = self.relative(object.transform[4], object.transform[5]) # Multiply the scale factor by that in the transformation matrix scale_x = (object.transform[0]/65536.0) * \ (72.0 / object.sprite['dpi x']) scale_y = (object.transform[3]/65536.0) * \ (72.0 / object.sprite['dpi y']) transform = Trafo( scale_x, (object.transform[1]/65536.0) * \ (72.0 / object.sprite['dpi y']), (object.transform[2]/65536.0) * \ (72.0 / object.sprite['dpi x']), scale_y, x, y ) else: x, y = self.relative(object.x1, object.y1) # Draw scales the Sprite to fit in the object's # bounding box. To do the same, we need to know the # actual size of the Sprite # In points: # size_x = 72.0 * float(object.sprite['width']) / \ # object.sprite['dpi x'] # size_y = 72.0 * float(object.sprite['height']) / \ # object.sprite['dpi y'] # # # Bounding box dimensions in points: # bbox_width = (object.x2 - object.x1)/scale # bbox_height = (object.y2 - object.y1)/scale # # # Scale factors # scale_x = (bbox_width / size_x) * \ # (72.0 / object.sprite['dpi x']) # scale_y = (bbox_height / size_y) * \ # (72.0 / object.sprite['dpi y']) scale_x = (object.x2 - object.x1) / \ (scale * object.sprite['width']) scale_y = (object.y2 - object.y1) / \ (scale * object.sprite['height']) transform = Trafo(scale_x, 0.0, 0.0, scale_y, x, y) # Create an Image object image = Image.fromstring( object.sprite['mode'], (object.sprite['width'], object.sprite['height']), object.sprite['image']) self.image(image, transform) elif isinstance(object, drawfile.options): # Options object n_objects = n_objects + 1 # Read page size paper_size = object.options['paper size'] orientation = object.options['paper limits'] if paper_size in papersizes: if orientation == 'landscape': self.page_layout = pagelayout.PageLayout( object.options['paper size'], orientation=pagelayout.Landscape) else: self.page_layout = pagelayout.PageLayout( object.options['paper size'], orientation=pagelayout.Portrait) if object.options['grid locking'] == 'on': spacing = object.options['grid spacing'] if object.options['grid units'] == 'in': spacing = spacing * 72.0 else: spacing = spacing * 72.0 / 2.54 if object.options['grid shown'] == 'on': visible = 1 else: visible = 0 # self.begin_layer_class( GridLayer, # ( # (0, 0, int(spacing), int(spacing)), # visible, # CreateRGBColor(0.0, 0.0, 0.0), # _("Grid") # ) ) # self.end_composite() elif isinstance(object, drawfile.text_area): # Text area n_objects = n_objects + 1 # The text area object contains a number of columns. self.columns = len(object.columns) # Start in the first column and move to subsequent # columns as required, unless the number is overidden # by details in the text area. self.column = 0 # The cursor position is initially undefined. cursor = [None, None] # The column margins self.margin_offsets = [1.0, 1.0] self.margins = [ (object.columns[self.column].x1 / scale) + \ self.margin_offsets[0], (object.columns[self.column].x2 / scale) - \ self.margin_offsets[1] ] # The column base self.column_base = object.columns[self.column].y1 / scale # Line and paragraph spacing self.linespacing = 0.0 paragraph = 10.0 # Current font name and dimensions font_name = '' font_size = 0.0 font_width = 0.0 # Text colours background = (255, 255, 255) foreground = (0, 0, 0) # Build lines (lists of words) until the column width # is reached then write the line to the page. line = [] width = 0.0 # Current text alignment align = 'L' # Last command to be executed last_command = '' # Execute the commands in the text area: for command, args in object.commands: if command == '!': # Version number # print 'Version number', args pass elif command == 'A': # print 'Align:', args # Write current line self.ta_write_line(align, cursor, line, 0) # Empty the line list line = [] # Set the line width width = 0.0 # Align text align = args # Start new line cursor = self.ta_new_line(cursor, object, self.linespacing) elif command == 'B': # print 'Background:', args # Background colour background = args elif command == 'C': # print 'Foreground:', args # Foreground colour foreground = args elif command == 'D': # print 'Columns:', args # Number of columns if self.column == 0 and cursor == [None, None]: # Nothing rendered yet, so change number of columns self.columns = args elif command == 'F': # print 'Define font:', args # Define font (already defined in object.font_table) pass elif command == 'L': # print 'Line spacing:', args # Set line spacing self.linespacing = args elif command == 'M': # print 'Margins:', args # Change margins self.margin_offsets = [args[0], args[1]] self.margins = [ (object.columns[self.column].x1 / scale) + args[0], (object.columns[self.column].x2 / scale) - args[1] ] elif command == 'P': # print 'Paragraph spacing:', args # Change paragraph spacing paragraph = args elif command == 'U': # print 'Underlining' # Underlining pass elif command == 'V': # print 'Vertical displacement' # Vertical displacement pass elif command == '-': # print 'Hyphen' # Hyphen pass elif command == 'newl': # print 'New line' # New line # Write current line self.ta_write_line(align, cursor, line, 0) # Start new line cursor = self.ta_new_line(cursor, object, self.linespacing) # Can't position cursor? if cursor == [None, None]: break # Empty the line list line = [] # Set the line width width = 0.0 elif command == 'para': # print 'New paragraph' # New paragraph # Write current line self.ta_write_line(align, cursor, line, 0) # Start new line if last_command != 'newl': cursor = self.ta_new_line( cursor, object, paragraph + self.linespacing) else: cursor = self.ta_new_line(cursor, object, paragraph) # Can't position cursor? if cursor == [None, None]: break # Empty the line list line = [] # Set the line width width = 0.0 elif command == ';': # print 'Comment:', args # Comment pass elif command == 'font': # print 'Use font:', args # Font change font_name, \ font_size, \ font_width = object.font_table[args] # Select font use_font = RISCOSFont(font_name) # Move cursor to start of a line if the cursor is # undefined if cursor == [None, None]: cursor[0] = self.margins[0] cursor[1] = (object.columns[self.column].y2 / scale) - font_size # Set line spacing self.linespacing = font_size elif command == 'text': # print args # Text. Add it to the line, checking that the line # remains within the margins. text, space = self.make_safe(args[0]), args[1] # Add the width of the text to the current total width width = width + \ use_font.TextCoordBox(text, font_size)[2] # print width, margins[1] - margins[0] # Compare current total width with column width while width > (self.margins[1] - self.margins[0]): # First write any text on this line if line != []: # Width will exceed column width # print 'Width will exceed column width' # Write current line self.ta_write_line(align, cursor, line, 1) # Start new line cursor = self.ta_new_line( cursor, object, self.linespacing) # Can't position cursor? if cursor == [None, None]: break # Clear the list line = [] # Reset the width width = 0.0 # Now attempt to fit this word on the next line width = use_font.TextCoordBox(text, font_size)[2] br = len(text) # Continue to try until the word fits, or none of it fits while width > (self.margins[1] - self.margins[0]) \ and br > 0: # Keep checking the size of the word width = use_font.TextCoordBox( text[:br], font_size)[2] br = br - 1 if br == 0: # Word couldn't fit in the column at all, so # break out of this loop break elif br < len(text): # Write the subword to the line self.ta_write_line( align, cursor, [(text[:br], font_name, font_size, font_width, self.ta_set_colour(foreground), self.ta_set_colour(background))], 0) # Start new line cursor = self.ta_new_line( cursor, object, self.linespacing) # Can't position cursor? if cursor == [None, None]: break # keep the remaining text text = text[br:] # The width is just the width of this text width = use_font.TextCoordBox(text, font_size)[2] # If the whole string fit onto the line then # control will flow to the else clause which will # append the text to the line list for next time. else: # The text fits within the margins so add the text # to the line line.append( (text, font_name, font_size, font_width, self.ta_set_colour(foreground), self.ta_set_colour(background))) # Also append any trailing space if space != '': line.append( (space, font_name, font_size, font_width, self.ta_set_colour(foreground), self.ta_set_colour(background))) width = width + \ use_font.TextCoordBox( space, font_size)[2] # Can't position cursor? if cursor == [None, None]: break # Remember this command last_command = command # Render any remaining text if line != [] and cursor != [None, None]: # Write current line self.ta_write_line(align, cursor, line, 0) else: pass # Return the number of recognised objects return n_objects
class AILoader(GenericLoader): format_name = format_name functions = { "C": 'curveto', "c": 'curveto_smooth', "V": 'curveto_v', "v": 'curveto_v_smooth', "Y": 'curveto_y', "y": 'curveto_y_smooth', "m": 'moveto', "l": 'lineto', "L": 'lineto', "w": 'set_line_width', "j": 'set_line_join', "J": 'set_line_cap', "d": 'set_line_dash', "G": 'set_line_gray', "K": 'set_line_cmyk', "XA": 'set_line_rgb', "X": 'set_line_cmyk_custom', "XX": 'set_line_generic_custom', "P": 'set_line_pattern', "g": 'set_fill_gray', "k": 'set_fill_cmyk', "Xa": 'set_fill_rgb', "x": 'set_fill_cmyk_custom', "Xx": 'set_fill_generic_custom', "p": 'set_fill_pattern', "F": 'fill', "f": 'fill_close', "S": 'stroke', "s": 'stroke_close', "B": 'fill_stroke', "b": 'fill_stroke_close', "N": 'invisible', # an invisible open path "n": 'invisible_close', # a invisible closed path "u": 'begin_group', "U": 'end_group', "*u": 'begin_compound_path', "*U": 'end_compound_path', "*": 'guide', "[": 'mark', "]": 'make_array', "@": 'ignore_operator', "&": 'ignore_operator', "Bd": 'begin_gradient', "Bs": 'gradient_stop', "BS": 'dummy_gradient_stop', "Br": 'gradient_ramps', "BD": 'end_gradient', "Bb": 'begin_gradient_instance', "Bg": 'gradient_geometry', "BB": 'end_gradient_instance', "Lb": 'begin_ai_layer', "Ln": 'name_layer', "LB": 'end_ai_layer', "Pb": 'begin_palette', "PB": 'end_palette', "TE": 'set_standard_encoding', "TZ": 'reencode_font', "To": 'begin_text', "TO": 'end_text', "Tr": 'set_text_render', "Tf": 'set_text_font', "Ta": 'set_text_align', "Tp": 'begin_text_path', "TP": 'end_text_path', "Tx": 'render_text', "TX": 'render_text_inv', "XI": 'raster_image', } def __init__(self, file, filename, match, treat_toplevel_groups_as_layers=1, flatten_groups=1): GenericLoader.__init__(self, file, filename, match) self.line_color = StandardColors.black self.fill_color = StandardColors.black self.line_width = 0.0 self.line_join = const.JoinMiter self.line_cap = const.CapButt self.line_dashes = () self.cur_x = self.cur_y = 0.0 self.treat_toplevel_groups_as_layers = treat_toplevel_groups_as_layers self.flatten_groups = flatten_groups self.guess_continuity = 1 self.path = CreatePath() self.compound_path = None # If compound_path is None, we're # outside of a compound path, # otherwise it's a possibly empty list # of paths self.compound_render = '' self.stack = [] self.gradients = {} self.in_gradient_instance = 0 self.gradient_geo = None # set to a true value after Bg, and set # to false by make_gradient_pattern self.gradient_rect = None self.in_palette = 0 self.in_text = 0 self.ignore_fill = 0 self.text_type = 0 # 0: point text, 1: area text, 2 = path text self.text_render = 0 # filled self.text_font = None self.text_size = 12 # Test alignment. Possible values: 0: left, 1: center, 2:right, # 3: justified, 4: justified including last line self.text_align = 0 self.text_string = [] self.standard_encoding = encoding.adobe_standard self.font_map = {} self.guides = [] self.format_version = 0.0 def __del__(self): pass def warn(self, level, *args, **kw): message = apply(warn, (level, ) + args, kw) self.add_message(message) def get_compiled(self): funclist = {} for char, name in self.functions.items(): method = getattr(self, name) argc = method.im_func.func_code.co_argcount - 1 funclist[char] = (method, argc) return funclist def pop(self): value = self.stack[-1] del self.stack[-1] return value def pop_multi(self, num): value = self.stack[-num:] del self.stack[-num:] return value def pop_to_mark(self): s = self.stack[:] s.reverse() try: idx = s.index(None) if idx: array = self.stack[-idx:] del self.stack[-idx - 1:] else: array = [] del self.stack[-1] return array except: raise RuntimeError, 'No mark on stack' def ignore_operator(self): pass def mark(self): self.stack.append(None) def make_array(self): array = self.pop_to_mark() self.stack.append(array) def convert_color(self, color_spec): c = apply(CreateRGBColor, color_spec) return c def set_line_join(self, join): self.line_join = _ai_join[join] def set_line_cap(self, cap): self.line_cap = _ai_cap[cap] def set_line_width(self, w): self.line_width = w def set_line_dash(self, array, phase): self.line_dashes = tuple(array) def set_line_gray(self, k): self.line_color = CreateRGBColor(k, k, k) def set_line_cmyk(self, c, m, y, k): self.line_color = CreateCMYKColor(c, m, y, k) def set_line_rgb(self, r, g, b): self.line_color = CreateRGBColor(r, g, b) def set_line_cmyk_custom(self, c, m, y, k, name, tint): self.line_color = cmyk_custom_color(c, m, y, k, tint) def set_line_generic_custom(self, name, tint, type): if type == 0: # cmyk c, m, y, k = self.pop_multi(4) self.line_color = cmyk_custom_color(c, m, y, k, tint) else: # rgb r, g, b = self.pop_multi(3) self.line_color = rgb_custom_color(r, g, b, tint) def set_line_pattern(self, name, px, py, sx, sy, angle, rf, r, k, ka, matrix): if not self.in_palette: self.add_message(_("Vector patterns not supported. Using black")) self.line_color = StandardColors.black def set_fill_gray(self, k): self.fill_color = CreateRGBColor(k, k, k) def set_fill_cmyk(self, c, m, y, k): self.fill_color = CreateCMYKColor(c, m, y, k) def set_fill_rgb(self, r, g, b): self.fill_color = CreateRGBColor(r, g, b) def set_fill_cmyk_custom(self, c, m, y, k, name, tint): self.fill_color = cmyk_custom_color(c, m, y, k, tint) def set_fill_generic_custom(self, name, tint, type): if type == 0: # cmyk c, m, y, k = self.pop_multi(4) self.fill_color = cmyk_custom_color(c, m, y, k, tint) else: # rgb r, g, b = self.pop_multi(3) self.fill_color = rgb_custom_color(r, g, b, tint) def set_fill_pattern(self, name, px, py, sx, sy, angle, rf, r, k, ka, matrix): if not self.in_palette: self.add_message(_("Vector patterns not supported. Using black")) self.fill_color = StandardColors.black def ls(self): style = self.style style.line_pattern = SolidPattern(self.line_color) style.line_width = self.line_width style.line_join = self.line_join style.line_cap = self.line_cap style.line_dashes = self.line_dashes def lsnone(self): self.style.line_pattern = EmptyPattern def fs(self): if self.gradient_geo: pattern = self.make_gradient_pattern() else: pattern = SolidPattern(self.fill_color) self.style.fill_pattern = pattern def fsnone(self): self.style.fill_pattern = EmptyPattern def stroke(self): if self.compound_path is not None: self.compound_render = 'stroke' else: self.ls() self.fsnone() self.bezier() def stroke_close(self): self.bezier_close() self.stroke() def fill(self): if self.ignore_fill: return if self.compound_path is not None: self.compound_render = 'fill' else: self.lsnone() self.fs() self.bezier() def fill_close(self): self.bezier_close() self.fill() def fill_stroke(self): if self.compound_path is not None: self.compound_render = 'fill_stroke' else: self.ls() self.fs() self.bezier() def fill_stroke_close(self): self.bezier_close() self.fill_stroke() def invisible(self): if self.compound_path is not None: self.compound_render = 'invisible' else: self.lsnone() self.fsnone() self.bezier() def invisible_close(self): self.bezier_close() self.invisible() # Gradient functions def begin_gradient(self, name, type, ncolors): self.gradient_info = name, type, ncolors def gradient_stop(self, color_style, mid_point, ramp_point): if color_style == 0: # gray scale k = self.pop() color = CreateRGBColor(k, k, k) elif color_style == 1: # CMYK color = apply(CreateCMYKColor, tuple(self.pop_multi(4))) elif color_style == 2: # RGB Color args = tuple(self.pop_multi(7)) # The cmyk and rgb values usually differ slightly because AI # does some color correction. Which values should we choose # here? color = apply(CreateRGBColor, args[-3:]) color = apply(CreateCMYKColor, args[:4]) elif color_style == 3: # CMYK Custom Color args = self.pop_multi(6) color = apply(CreateCMYKColor, tuple(args[:4])) else: self.add_message( _("Gradient ColorStyle %d not yet supported." "substituted black") % color_style) if color_style == 4: n = 10 else: self.add_message(_("Unknown ColorStyle %d") % color_style) self.pop_multi(n) color = StandardColors.black # XXX #color = apply(CreateRGBColor, color) self.stack.append((ramp_point / 100.0, color)) def dummy_gradient_stop(self, color_style, mid_point, ramp_point): # same as gradient_stop but ignore all arguments. Illustrator 8 # seems to introduce this one for printing (i.e. Illustrator 8 # files with printing info contain the gradient stops *twice* in # exactly the same format but once with the Bs operator and once # with BS. I guess this has something to do with support for # PostScript Level 3 and backwards compatibility with older # Illustrator versions. if color_style == 0: # gray scale k = self.pop() elif color_style == 1: # CMYK self.pop_multi(4) elif color_style == 2: # RGB Color self.pop_multi(7) elif color_style == 3: # CMYK Custom Color self.pop_multi(6) elif color_style == 4: self.pop_multi(10) else: self.add_message(_("Unknown ColorStyle %d") % color_style) def gradient_ramps(self, ramp_type): # defines the ramp colors with a bunch of strings for printing. # Here we just pop all the strings off the stack num = (1, 4, 5, 6, 7, 8, 9)[ramp_type] self.pop_multi(num) def end_gradient(self): self.make_array() array = self.pop() if len(array) < 2: self.add_message(_("less than two color stops in gradient")) else: # sometimes the ramp_point values are increasing, sometimes # decreasing... what's going on here? The docs say they are # increasing. if array[0][0] > array[-1][0]: array.reverse() name, type, ncolors = self.gradient_info self.gradients[name] = (type, array) del self.stack[:] #self.pop_to_mark() def begin_gradient_instance(self): self.in_gradient_instance = 1 self.ignore_fill = 1 def gradient_geometry(self, flag, name, xorig, yorig, angle, length, a, b, c, d, tx, ty): trafo = Trafo(a, b, c, d, tx, ty) trafo = artboard_trafo_inv(trafo(artboard_trafo)) start = Point(xorig, yorig) end = start + Polar(length, (pi * angle) / 180.0) self.gradient_geo = (name, trafo, start, end) def make_gradient_pattern(self): name, trafo, start, end = self.gradient_geo self.gradient_geo = None type, array = self.gradients[name] array = array[:] if type == 0: # linear (axial) gradient origdir = end - start start = trafo(start) end = trafo(end) dir = end - start try: # adjust endpoint to accomodate trafo v = trafo.DTransform(origdir.y, -origdir.x).normalized() v = Point(v.y, -v.x) # rotate 90 degrees end = start + (v * dir) * v dir = end - start except ZeroDivisionError: pass trafo2 = Trafo(dir.x, dir.y, dir.y, -dir.x, start.x, start.y) trafo2 = trafo2.inverse() left, bottom, right, top = trafo2(self.current_bounding_rect()) if right > left: factor = 1 / (right - left) offset = -left * factor else: factor = 1 offset = 0 array = fix_gradient(array, factor, offset) pattern = LinearGradient(MultiGradient(array), (start - end).normalized()) elif type == 1: # radial gradient start = trafo(start) end = trafo(end) left, bottom, right, top = self.current_bounding_rect() if left == right or top == bottom: # an empty coord_rect???? center = Point(0, 0) else: center = Point((start.x - left) / (right - left), (start.y - bottom) / (top - bottom)) radius = max(hypot(left - start.x, top - start.y), hypot(right - start.x, top - start.y), hypot(right - start.x, bottom - start.y), hypot(left - start.x, bottom - start.y)) if radius: factor = -abs(start - end) / radius array = fix_gradient(array, factor, 1) pattern = RadialGradient(MultiGradient(array), center) else: self.add_message(_("Unknown gradient type %d"), type) pattern = EmptyPattern return pattern def current_bounding_rect(self): if self.gradient_rect is not None: rect = self.gradient_rect else: rect = self.path.accurate_rect() if not self.style.line_pattern.is_Empty: rect = fix_bounding_rect(rect, self.style) return rect def end_gradient_instance(self, flag): self.ignore_fill = 0 if flag == 2: self.fill_stroke_close() elif flag == 1: self.fill_stroke() else: self.fill() self.in_gradient_instance = 0 # Path construction def moveto(self, x, y): self.cur_x = x self.cur_y = y self.path.AppendLine(x, y) def lineto(self, x, y): self.cur_x = x self.cur_y = y self.path.AppendLine(x, y) def curveto(self, x1, y1, x2, y2, x3, y3): self.path.AppendBezier(x1, y1, x2, y2, x3, y3) self.cur_x = x3 self.cur_y = y3 def curveto_smooth(self, x1, y1, x2, y2, x3, y3): self.path.AppendBezier(x1, y1, x2, y2, x3, y3, ContSmooth) self.cur_x = x3 self.cur_y = y3 def curveto_v(self, x2, y2, x3, y3): # current point and first control point are identical self.path.AppendBezier(self.cur_x, self.cur_y, x2, y2, x3, y3) self.cur_x = x3 self.cur_y = y3 def curveto_v_smooth(self, x2, y2, x3, y3): # current point and first control point are identical self.path.AppendBezier(self.cur_x, self.cur_y, x2, y2, x3, y3, ContSmooth) self.cur_x = x3 self.cur_y = y3 def curveto_y(self, x1, y1, x3, y3): # endpoint and last controlpoint are identical self.path.AppendBezier(x1, y1, x3, y3, x3, y3) self.cur_x = x3 self.cur_y = y3 def curveto_y_smooth(self, x1, y1, x3, y3): # endpoint and last controlpoint are identical self.path.AppendBezier(x1, y1, x3, y3, x3, y3, ContSmooth) self.cur_x = x3 self.cur_y = y3 def bezier_close(self): if self.path.len > 1: self.path.AppendLine(self.path.Node(0)) self.path.load_close(1) def bezier(self): if self.guess_continuity: self.path.guess_continuity() if self.path.len > 0: if self.compound_path is not None: self.compound_path.append(self.path) else: GenericLoader.bezier(self, paths=(self.path, )) self.path = CreatePath() # compound paths def begin_compound_path(self): self.compound_path = [] def end_compound_path(self): paths = tuple(self.compound_path) self.compound_path = None if paths: # XXX ugly if self.gradient_geo: rect = paths[0].accurate_rect() for path in paths[1:]: rect = UnionRects(rect, path.accurate_rect()) self.gradient_rect = rect else: self.gradient_rect = None getattr(self, self.compound_render)() GenericLoader.bezier(self, paths=paths) # Groups def begin_group(self): if self.compound_path is None: # a normal group if self.treat_toplevel_groups_as_layers: if self.composite_class == Document: self.begin_layer() return GenericLoader.begin_group(self) else: # a `compound group'. Ignored since Sketch doesn't have this. pass def end_group(self): if self.compound_path is None: # a normal group if self.composite_class == Layer: self.end_composite() else: try: GenericLoader.end_group(self) if self.flatten_groups: if self.object.NumObjects() == 1: obj = self.object.GetObjects()[0] del self.composite_items[-1] self.append_object(obj) except EmptyCompositeError: pass else: # a `compound group'. Ignored since Sketch doesn't have this. pass # Layers def begin_layer(self): self.layer(_("Layer %d") % (len(self.composite_items) + 1)) def begin_ai_layer(self): if self.format_version >= 4.0: visible, preview, enabled, printing, dimmed, unused, has_mlm,\ color, red, green, blue, unused, unused = self.pop_multi(13) else: visible, preview, enabled, printing, dimmed, has_mlm, \ color, red, green, blue = self.pop_multi(10) color = CreateRGBColor(red / 255.0, green / 255.0, blue / 255.0) self.layer_kw_args = { 'printable': printing, 'visible': visible, 'locked': not enabled, 'outline_color': color } def end_ai_layer(self): self.end_layer() def name_layer(self, name): apply(self.layer, (name, ), self.layer_kw_args) # Guides def guide(self, op): #print 'guide', op method = getattr(self, self.functions[op]) method() guide = self.pop_last() self.guides.append(guide) # Palette def begin_palette(self): self.in_palette = 1 def end_palette(self): self.in_palette = 0 # Text def set_standard_encoding(self): encoding = list(self.standard_encoding) pos = 0 defs = self.pop_to_mark() for item in defs: if type(item) == IntType: pos = item elif type(item) == StringType: encoding[pos] = item pos = pos + 1 else: self.add_message('unknown item %s in encoding' % ` item `) self.standard_encoding = tuple(encoding) def define_font(self, psname, newname, encoding=None): if encoding is None: encoding = self.standard_encoding[:] self.font_map[newname] = FontInfo(psname, newname, encoding) def reencode_font(self): args = self.pop_to_mark() if type(args[-1]) == ListType: self.add_message( _("Multiple Master fonts not supported. " "Using Times Roman")) newname = args[-6] self.define_font('Times Roman', newname) else: newname, psname, direction, script, usedefault = args[-5:] if len(args) > 5: self.add_message(_("Additional encoding ignored")) self.define_font(psname, newname) def begin_text(self, text_type): self.in_text = 1 self.text_type = text_type self.text_string = [] if text_type == 1: self.add_message(_("Area text not supported")) if text_type == 2: GenericLoader.begin_group(self) def end_text(self): # we don't support area text (text_type 1) at all. Return # immediately in that case. if self.text_type == 1: return # first, turn the text accumulated in the list text_string into # a single string and unify line endings to newline characters. text = string.join(self.text_string, '') text = string.replace(text, '\r\n', '\n') text = string.replace(text, '\r', '\n') # remove a trailing newline. Many Illustrator files contain a # trailing newline as 'overflow' text, there's probably a better # way to deal with this... if text[-1:] == "\n": text = text[:-1] # Re-encode to Latin1 text = self.text_font.Reencode(text) if not string.strip(text): if self.text_type == 2: self.end_composite() del self.composite_items[-1] if len(self.composite_items) > 0: self.object = self.composite_items[-1] return # first create a simple text object self.fs() self.style.font = GetFont(self.text_font.psname) self.style.font_size = self.text_size self.simple_text(text, self.text_trafo, halign=_ai_text_align[self.text_align]) # if we're actually supposed to create a path-text object, turn # the text object just created into a path-text object if self.text_type == 2: GenericLoader.end_group(self) group = self.pop_last() objects = group.GetObjects() if len(objects) == 2: path, text = objects self.append_object( PathText(text, path, start_pos=self.text_start_pos)) #self.composite_items[-1] = self.object # we've finished the text object self.in_text = 0 def set_text_render(self, render): self.text_render = render def set_text_align(self, align): self.text_align = align def set_text_font(self): # In Illustrator < 7, the operator has two arguments, new # fontname and size. In Illustrator >= 7, there are two # additional arguments, ascent and descent. args = self.pop_multi(2) if type(args[0]) != StringType: newname, size = self.pop_multi(2) else: newname, size = args if self.font_map.has_key(newname): self.text_font = self.font_map[newname] elif newname[0] == '_': # special case for ai files generated by ps2ai. They don't # use the TZ operator to reencode the fonts and define the _ # names. self.define_font(newname[1:], newname) self.text_font = self.font_map[newname] else: self.add_message(_("No font %s.") % newname) self.text_size = size def begin_text_path(self, a, b, c, d, tx, ty, start_pos): self.text_trafo = Trafo(a, b, c, d, tx, ty) self.text_start_pos = start_pos def end_text_path(self): pass def render_text(self, text): if self.text_type != 2: # in a path text only the invisible render operators count self.text_string.append(text) def render_text_inv(self, text): self.text_string.append(text) # Raster Image def raster_image(self, trafo, llx, lly, urx, ury, width, height, bits, mode, alpha, reserved, encoding, mask): if bits != 8 or mode not in (1, 3): self.add_message( _("Only images with 1 or 3 components " "and 8 bits/component supported")) self.skip_to_dsc("AI5_EndRaster") return decode = streamfilter.SubFileDecode(self.tokenizer.source, '%AI5_EndRaster') if encoding == 0: decode = streamfilter.HexDecode(decode) data_length = mode * width * height data = decode.read(data_length) #f = open("/tmp/dump.ppm", "w") #if mode == 1: # f.write("P5\n%d %d\n255\n" % (width, height)) #else: # f.write("P6\n%d %d\n255\n" % (width, height)) #f.write(data) #f.close() if mode == 1: mode = 'L' elif mode == 3: mode = 'RGB' elif mode == 4: mode == 'CMYK' image = Image.fromstring(mode, (width, height), data, 'raw', mode) self.image(image, apply(Trafo, tuple(trafo))) # def append_object(self, object): if self.composite_class == Document \ and object.__class__ != Layer: self.begin_layer() self.composite_items.append(object) self.object = object # # def skip_to_dsc(self, *endcomments): next_dsc = self.tokenizer.next_dsc split = string.split while 1: value = next_dsc() if not value: return if ':' in value: keyword, value = split(value, ':', 1) else: keyword = value if keyword in endcomments: return def read_prolog(self): next = self.tokenizer.next DSC = DSC_COMMENT split = string.split while 1: token, value = next() if token == DSC: if ':' in value: keyword, value = split(value, ':', 1) else: keyword = value if keyword in ('EndProlog', 'BeginSetup'): return keyword if keyword[:14] == "AI5_FileFormat": self.format_version = string.atof(keyword[14:]) elif keyword == 'BeginProcSet': # some ai files exported by corel draw don't have an # EndProcSet comment after a BeginProcSet... self.skip_to_dsc('EndProcSet', 'EndProlog') elif keyword == 'BeginResource': self.skip_to_dsc('EndResource', 'EndProlog') elif keyword == 'Creator': # try to determine whether the file really is an # illustrator file as opposed to some other EPS # file. It seems that Illustrator itself only # accepts EPS files as illustrator files if they # contain "Adobe Illustrator" in their Create # DSC-comment if string.find(value, "Adobe Illustrator") == -1: self.add_message("This is probably not an" " Illustrator file." " Try embedding it as EPS") if token == END: return def Load(self): funclist = self.get_compiled() # binding frequently used functions to local variables speeds up # the process considerably... a = apply t = tuple DSC = DSC_COMMENT MAX = MAX_DATA_TOKEN split = string.split stack = self.stack push = self.stack.append unknown_operator = (None, None) decoder = streamfilter.StringDecode(self.match.string, self.file) self.tokenizer = PSTokenizer(decoder) self.tokenizer.ai_pseudo_comments = 1 self.tokenizer.ai_dsc = 1 next = self.tokenizer.next self.document() value = self.read_prolog() while 1: token, value = next() if token <= MAX: push(value) elif token == DSC: if ':' in value: keyword, value = split(value, ':', 1) else: keyword = value if keyword in ('PageTrailer', 'Trailer'): break elif keyword == 'AI5_BeginPalette': self.skip_to_dsc('AI5_EndPalette', 'EndSetup') elif keyword == "AI8_BeginBrushPattern": self.skip_to_dsc('AI8_EndBrushPattern', 'EndSetup') elif token == END: break elif token == OPERATOR: method, argc = funclist.get(value, unknown_operator) #if method is not None: # name = method.__name__ #else: # name = `method` if method is None: del stack[:] else: try: if argc: args = t(stack[-argc:]) del stack[-argc:] a(method, args) else: method() except: warn_tb(INTERNAL, 'AILoader: error') self.end_all() self.object.load_Completed() for obj in self.guides: self.object.guide_layer.Insert(obj, None) return self.object
def parse_path(self, str): paths = self.paths path = self.path trafo = self.trafo str = strip(string.translate(as_latin1(str), commatospace)) last_quad = None last_cmd = cmd = None f13 = 1.0 / 3.0 f23 = 2.0 / 3.0 #print '*', str while 1: match = rx_command.match(str) #print match if match: last_cmd = cmd cmd = str[0] str = str[match.end():] #print '*', str points = match.group(1) #print '**', points if points: # use tokenize_line to parse the arguments so that # we deal with signed numbers following another # number without intervening whitespace other # characters properls. # FIXME: tokenize_line works but is not the best way # to do it because it accepts input that wouldn't be # valid here. points = filter(operator.isNumberType, skread.tokenize_line(points)) #print cmd, points if cmd in 'mM': path = CreatePath() paths.append(path) if cmd == 'M' or len(paths) == 1: path.AppendLine(trafo(points[0], points[1])) else: p = trafo.DTransform(points[0], points[1]) path.AppendLine(paths[-2].Node(-1) + p) if len(points) > 2: if cmd == 'm': for i in range(2, len(points), 2): p = trafo.DTransform(points[i], points[i + 1]) path.AppendLine(path.Node(-1) + p) else: for i in range(2, len(points), 2): path.AppendLine(trafo(points[i], points[i + 1])) elif cmd == 'l': for i in range(0, len(points), 2): p = trafo.DTransform(points[i], points[i + 1]) path.AppendLine(path.Node(-1) + p) elif cmd == 'L': for i in range(0, len(points), 2): path.AppendLine(trafo(points[i], points[i + 1])) elif cmd == 'H': for num in points: path.AppendLine(Point(num, path.Node(-1).y)) elif cmd == 'h': for num in points: x, y = path.Node(-1) dx, dy = trafo.DTransform(num, 0) path.AppendLine(Point(x + dx, y + dy)) elif cmd == 'V': for num in points: path.AppendLine(Point(path.Node(-1).x, num)) elif cmd == 'v': for num in points: x, y = path.Node(-1) dx, dy = trafo.DTransform(0, num) path.AppendLine(Point(x + dx, y + dy)) elif cmd == 'C': if len(points) % 6 != 0: self.loader.add_message("number of parameters of 'C'"\ "must be multiple of 6") else: for i in range(0, len(points), 6): p1 = trafo(points[i], points[i + 1]) p2 = trafo(points[i + 2], points[i + 3]) p3 = trafo(points[i + 4], points[i + 5]) path.AppendBezier(p1, p2, p3) elif cmd == 'c': if len(points) % 6 != 0: self.loader.add_message("number of parameters of 'c'"\ "must be multiple of 6") else: for i in range(0, len(points), 6): p = path.Node(-1) p1 = p + trafo.DTransform(points[i], points[i + 1]) p2 = p + trafo.DTransform(points[i + 2], points[i + 3]) p3 = p + trafo.DTransform(points[i + 4], points[i + 5]) path.AppendBezier(p1, p2, p3) elif cmd == 'S': if len(points) % 4 != 0: self.loader.add_message("number of parameters of 'S'"\ "must be multiple of 4") else: for i in range(0, len(points), 4): type, controls, p, cont = path.Segment(-1) if type == Bezier: q = controls[1] else: q = p p1 = 2 * p - q p2 = trafo(points[i], points[i + 1]) p3 = trafo(points[i + 2], points[i + 3]) path.AppendBezier(p1, p2, p3) elif cmd == 's': if len(points) % 4 != 0: self.loader.add_message("number of parameters of 's'"\ "must be multiple of 4") else: for i in range(0, len(points), 4): type, controls, p, cont = path.Segment(-1) if type == Bezier: q = controls[1] else: q = p p1 = 2 * p - q p2 = p + trafo.DTransform(points[i], points[i + 1]) p3 = p + trafo.DTransform(points[i + 2], points[i + 3]) path.AppendBezier(p1, p2, p3) elif cmd == 'Q': if len(points) % 4 != 0: self.loader.add_message("number of parameters of 'Q'"\ "must be multiple of 4") else: for i in range(0, len(points), 4): q = trafo(points[i], points[i + 1]) p3 = trafo(points[i + 2], points[i + 3]) p1 = f13 * path.Node(-1) + f23 * q p2 = f13 * p3 + f23 * q path.AppendBezier(p1, p2, p3) last_quad = q elif cmd == 'q': if len(points) % 4 != 0: self.loader.add_message("number of parameters of 'q'"\ "must be multiple of 4") else: for i in range(0, len(points), 4): p = path.Node(-1) q = p + trafo.DTransform(points[i], points[i + 1]) p3 = p + trafo.DTransform(points[i + 2], points[i + 3]) p1 = f13 * p + f23 * q p2 = f13 * p3 + f23 * q path.AppendBezier(p1, p2, p3) last_quad = q elif cmd == 'T': if len(points) % 2 != 0: self.loader.add_message("number of parameters of 'T'"\ "must be multiple of 4") else: if last_cmd not in 'QqTt' or last_quad is None: last_quad = path.Node(-1) for i in range(0, len(points), 2): p = path.Node(-1) q = 2 * p - last_quad p3 = trafo(points[i], points[i + 1]) p1 = f13 * p + f23 * q p2 = f13 * p3 + f23 * q path.AppendBezier(p1, p2, p3) last_quad = q elif cmd == 't': if len(points) % 2 != 0: self.loader.add_message("number of parameters of 't'"\ "must be multiple of 4") else: if last_cmd not in 'QqTt' or last_quad is None: last_quad = path.Node(-1) for i in range(0, len(points), 2): p = path.Node(-1) q = 2 * p - last_quad p3 = p + trafo.DTransform(points[i], points[i + 1]) p1 = f13 * p + f23 * q p2 = f13 * p3 + f23 * q path.AppendBezier(p1, p2, p3) last_quad = q elif cmd in 'zZ': path.AppendLine(path.Node(0)) path.ClosePath() else: break self.path = path