import pml # character widths and general font information for each font. acquired # from the PDF font metrics. ((width / 1000) * point_size) / 72.0 = how # many inches wide that character is. # # all Courier-* fonts have characters 600 units wide. # get the FontMetrics object for the given style def getMetrics(style): # the "& 15" gets rid of the underline flag return _fontMetrics[style & 15] class FontMetrics: def __init__(self, fontWeight, flags, bbox, italicAngle, ascent, descent, capHeight, stemV, stemH, xHeight, widths): # character widths in an array of 256 integers, or None for the # Courier fonts. self.widths = widths # see the PDF spec for the details on what these are. self.fontWeight = fontWeight self.flags = flags self.bbox = bbox self.italicAngle = italicAngle self.ascent = ascent self.descent = descent self.capHeight = capHeight self.stemV = stemV self.stemH = stemH self.xHeight = xHeight # calculate width of 'text' in 'size', and return it in 1/72 inch # units. def getTextWidth(self, text, size): widths = self.widths # Courier if not widths: return 0.6 * (size * len(text)) total = 0 for ch in text: total += widths[ord(ch)] return (total / 1000.0) * size _fontMetrics = { pml.COURIER : FontMetrics( fontWeight = 400, flags = 35, bbox = (-23, -250, 715, 805), italicAngle = 0, ascent = 629, descent = -157, capHeight = 562, stemV = 51, stemH = 51, xHeight = 426, widths = None), pml.COURIER | pml.BOLD : FontMetrics( fontWeight = 700, flags = 35, bbox = (-113, -250, 749, 801), italicAngle = 0, ascent = 629, descent = -157, capHeight = 562, stemV = 106, stemH = 84, xHeight = 439, widths = None), pml.COURIER | pml.ITALIC : FontMetrics( fontWeight = 400, flags = 99, bbox = (-27, -250, 849, 805), italicAngle = -12, ascent = 629, descent = -157, capHeight = 562, stemV = 51, stemH = 51, xHeight = 426, widths = None), pml.COURIER | pml.BOLD | pml.ITALIC : FontMetrics( fontWeight = 700, flags = 99, bbox = (-57, -250, 869, 801), italicAngle = -12, ascent = 629, descent = -157, capHeight = 562, stemV = 106, stemH = 84, xHeight = 439, widths = None), pml.HELVETICA : FontMetrics( fontWeight = 400, flags = 32, bbox = (-166, -225, 1000, 931), italicAngle = 0, ascent = 718, descent = -207, capHeight = 718, stemV = 88, stemH = 76, xHeight = 523, widths = [ 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 278, 278, 355, 556, 556, 889, 667, 191, 333, 333, 389, 584, 278, 333, 278, 278, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 278, 278, 584, 584, 584, 556, 1015, 667, 667, 722, 722, 667, 611, 778, 722, 278, 500, 667, 556, 833, 722, 778, 667, 778, 722, 667, 611, 722, 667, 944, 667, 667, 611, 278, 278, 278, 469, 556, 333, 556, 556, 500, 556, 556, 278, 556, 556, 222, 222, 500, 222, 833, 556, 556, 556, 556, 333, 500, 278, 556, 500, 722, 500, 500, 500, 334, 260, 334, 584, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 333, 556, 556, 556, 556, 260, 556, 333, 737, 370, 556, 584, 545, 737, 333, 400, 584, 333, 333, 333, 556, 537, 278, 333, 333, 365, 556, 834, 834, 834, 611, 667, 667, 667, 667, 667, 667, 1000, 722, 667, 667, 667, 667, 278, 278, 278, 278, 722, 722, 778, 778, 778, 778, 778, 584, 778, 722, 722, 722, 722, 667, 667, 611, 556, 556, 556, 556, 556, 556, 889, 500, 556, 556, 556, 556, 278, 278, 278, 278, 556, 556, 556, 556, 556, 556, 556, 584, 611, 556, 556, 556, 556, 500, 556, 500 ]), pml.HELVETICA | pml.BOLD : FontMetrics( fontWeight = 700, flags = 32, bbox = (-170, -228, 1003, 962), italicAngle = 0, ascent = 718, descent = -207, capHeight = 718, stemV = 140, stemH = 118, xHeight = 532, widths = [ 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 278, 333, 474, 556, 556, 889, 722, 238, 333, 333, 389, 584, 278, 333, 278, 278, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 333, 333, 584, 584, 584, 611, 975, 722, 722, 722, 722, 667, 611, 778, 722, 278, 556, 722, 611, 833, 722, 778, 667, 778, 722, 667, 611, 722, 667, 944, 667, 667, 611, 333, 278, 333, 584, 556, 333, 556, 611, 556, 611, 556, 333, 611, 611, 278, 278, 556, 278, 889, 611, 611, 611, 611, 389, 556, 333, 611, 556, 778, 556, 556, 500, 389, 280, 389, 584, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 333, 556, 556, 556, 556, 280, 556, 333, 737, 370, 556, 584, 564, 737, 333, 400, 584, 333, 333, 333, 611, 556, 278, 333, 333, 365, 556, 834, 834, 834, 611, 722, 722, 722, 722, 722, 722, 1000, 722, 667, 667, 667, 667, 278, 278, 278, 278, 722, 722, 778, 778, 778, 778, 778, 584, 778, 722, 722, 722, 722, 667, 667, 611, 556, 556, 556, 556, 556, 556, 889, 556, 556, 556, 556, 556, 278, 278, 278, 278, 611, 611, 611, 611, 611, 611, 611, 584, 611, 611, 611, 611, 611, 556, 611, 556, ]), pml.HELVETICA | pml.ITALIC : FontMetrics( fontWeight = 400, flags = 96, bbox = (-170, -225, 1116, 931), italicAngle = -12, ascent = 718, descent = -207, capHeight = 718, stemV = 88, stemH = 76, xHeight = 523, widths = [ 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 278, 278, 355, 556, 556, 889, 667, 191, 333, 333, 389, 584, 278, 333, 278, 278, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 278, 278, 584, 584, 584, 556, 1015, 667, 667, 722, 722, 667, 611, 778, 722, 278, 500, 667, 556, 833, 722, 778, 667, 778, 722, 667, 611, 722, 667, 944, 667, 667, 611, 278, 278, 278, 469, 556, 333, 556, 556, 500, 556, 556, 278, 556, 556, 222, 222, 500, 222, 833, 556, 556, 556, 556, 333, 500, 278, 556, 500, 722, 500, 500, 500, 334, 260, 334, 584, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 545, 333, 556, 556, 556, 556, 260, 556, 333, 737, 370, 556, 584, 545, 737, 333, 400, 584, 333, 333, 333, 556, 537, 278, 333, 333, 365, 556, 834, 834, 834, 611, 667, 667, 667, 667, 667, 667, 1000, 722, 667, 667, 667, 667, 278, 278, 278, 278, 722, 722, 778, 778, 778, 778, 778, 584, 778, 722, 722, 722, 722, 667, 667, 611, 556, 556, 556, 556, 556, 556, 889, 500, 556, 556, 556, 556, 278, 278, 278, 278, 556, 556, 556, 556, 556, 556, 556, 584, 611, 556, 556, 556, 556, 500, 556, 500, ]), pml.HELVETICA | pml.BOLD | pml.ITALIC : FontMetrics( fontWeight = 700, flags = 96, bbox = (-174, -228, 1114, 962), italicAngle = -12, ascent = 718, descent = -207, capHeight = 718, stemV = 140, stemH = 118, xHeight = 532, widths = [ 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 278, 333, 474, 556, 556, 889, 722, 238, 333, 333, 389, 584, 278, 333, 278, 278, 556, 556, 556, 556, 556, 556, 556, 556, 556, 556, 333, 333, 584, 584, 584, 611, 975, 722, 722, 722, 722, 667, 611, 778, 722, 278, 556, 722, 611, 833, 722, 778, 667, 778, 722, 667, 611, 722, 667, 944, 667, 667, 611, 333, 278, 333, 584, 556, 333, 556, 611, 556, 611, 556, 333, 611, 611, 278, 278, 556, 278, 889, 611, 611, 611, 611, 389, 556, 333, 611, 556, 778, 556, 556, 500, 389, 280, 389, 584, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 564, 333, 556, 556, 556, 556, 280, 556, 333, 737, 370, 556, 584, 564, 737, 333, 400, 584, 333, 333, 333, 611, 556, 278, 333, 333, 365, 556, 834, 834, 834, 611, 722, 722, 722, 722, 722, 722, 1000, 722, 667, 667, 667, 667, 278, 278, 278, 278, 722, 722, 778, 778, 778, 778, 778, 584, 778, 722, 722, 722, 722, 667, 667, 611, 556, 556, 556, 556, 556, 556, 889, 556, 556, 556, 556, 556, 278, 278, 278, 278, 611, 611, 611, 611, 611, 611, 611, 584, 611, 611, 611, 611, 611, 556, 611, 556, ]), pml.TIMES_ROMAN : FontMetrics( fontWeight = 400, flags = 34, bbox = (-168, -218, 1000, 898), italicAngle = 0, ascent = 683, descent = -217, capHeight = 662, stemV = 84, stemH = 28, xHeight = 450, widths = [ 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 250, 333, 408, 500, 500, 833, 778, 180, 333, 333, 500, 564, 250, 333, 250, 278, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 278, 278, 564, 564, 564, 444, 921, 722, 667, 667, 722, 611, 556, 722, 722, 333, 389, 722, 611, 889, 722, 722, 556, 722, 667, 556, 611, 722, 722, 944, 722, 722, 611, 333, 278, 333, 469, 500, 333, 444, 500, 444, 500, 444, 333, 500, 500, 278, 278, 500, 278, 778, 500, 500, 500, 500, 333, 389, 278, 500, 500, 722, 500, 500, 444, 480, 200, 480, 541, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 516, 333, 500, 500, 500, 500, 200, 500, 333, 760, 276, 500, 564, 516, 760, 333, 400, 564, 300, 300, 333, 500, 453, 250, 333, 300, 310, 500, 750, 750, 750, 444, 722, 722, 722, 722, 722, 722, 889, 667, 611, 611, 611, 611, 333, 333, 333, 333, 722, 722, 722, 722, 722, 722, 722, 564, 722, 722, 722, 722, 722, 722, 556, 500, 444, 444, 444, 444, 444, 444, 667, 444, 444, 444, 444, 444, 278, 278, 278, 278, 500, 500, 500, 500, 500, 500, 500, 564, 500, 500, 500, 500, 500, 500, 500, 500, ]), pml.TIMES_ROMAN | pml.BOLD : FontMetrics( fontWeight = 700, flags = 34, bbox = (-168, -218, 1000, 935), italicAngle = 0, ascent = 683, descent = -217, capHeight = 676, stemV = 139, stemH = 44, xHeight = 461, widths = [ 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 250, 333, 555, 500, 500, 1000, 833, 278, 333, 333, 500, 570, 250, 333, 250, 278, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 333, 333, 570, 570, 570, 500, 930, 722, 667, 722, 722, 667, 611, 778, 778, 389, 500, 778, 667, 944, 722, 778, 611, 778, 722, 556, 667, 722, 722, 1000, 722, 722, 667, 333, 278, 333, 581, 500, 333, 500, 556, 444, 556, 444, 333, 500, 556, 278, 333, 556, 278, 833, 556, 500, 556, 556, 444, 389, 333, 556, 500, 722, 500, 500, 444, 394, 220, 394, 520, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 333, 500, 500, 500, 500, 220, 500, 333, 747, 300, 500, 570, 540, 747, 333, 400, 570, 300, 300, 333, 556, 540, 250, 333, 300, 330, 500, 750, 750, 750, 500, 722, 722, 722, 722, 722, 722, 1000, 722, 667, 667, 667, 667, 389, 389, 389, 389, 722, 722, 778, 778, 778, 778, 778, 570, 778, 722, 722, 722, 722, 722, 611, 556, 500, 500, 500, 500, 500, 500, 722, 444, 444, 444, 444, 444, 278, 278, 278, 278, 500, 556, 500, 500, 500, 500, 500, 570, 500, 556, 556, 556, 556, 500, 556, 500, ]), pml.TIMES_ROMAN | pml.ITALIC : FontMetrics( fontWeight = 400, flags = 98, bbox = (-169, -217, 1010, 883), italicAngle = -15.5, ascent = 683, descent = -217, capHeight = 653, stemV = 76, stemH = 32, xHeight = 441, widths = [ 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 250, 333, 420, 500, 500, 833, 778, 214, 333, 333, 500, 675, 250, 333, 250, 278, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 333, 333, 675, 675, 675, 500, 920, 611, 611, 667, 722, 611, 611, 722, 722, 333, 444, 667, 556, 833, 667, 722, 611, 722, 611, 500, 556, 722, 611, 833, 611, 556, 556, 389, 278, 389, 422, 500, 333, 500, 500, 444, 500, 444, 278, 500, 500, 278, 278, 444, 278, 722, 500, 500, 500, 500, 389, 389, 278, 500, 444, 667, 444, 444, 389, 400, 275, 400, 541, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 513, 389, 500, 500, 500, 500, 275, 500, 333, 760, 276, 500, 675, 513, 760, 333, 400, 675, 300, 300, 333, 500, 523, 250, 333, 300, 310, 500, 750, 750, 750, 500, 611, 611, 611, 611, 611, 611, 889, 667, 611, 611, 611, 611, 333, 333, 333, 333, 722, 667, 722, 722, 722, 722, 722, 675, 722, 722, 722, 722, 722, 556, 611, 500, 500, 500, 500, 500, 500, 500, 667, 444, 444, 444, 444, 444, 278, 278, 278, 278, 500, 500, 500, 500, 500, 500, 500, 675, 500, 500, 500, 500, 500, 444, 500, 444, ]), pml.TIMES_ROMAN | pml.BOLD | pml.ITALIC : FontMetrics( fontWeight = 700, flags = 98, bbox = (-200, -218, 996, 921), italicAngle = -15, ascent = 683, descent = -217, capHeight = 669, stemV = 121, stemH = 42, xHeight = 462, widths = [ 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 250, 389, 555, 500, 500, 833, 778, 278, 333, 333, 500, 570, 250, 333, 250, 278, 500, 500, 500, 500, 500, 500, 500, 500, 500, 500, 333, 333, 570, 570, 570, 500, 832, 667, 667, 667, 722, 667, 667, 722, 778, 389, 500, 667, 611, 889, 722, 722, 611, 722, 667, 556, 611, 722, 667, 889, 667, 611, 611, 333, 278, 333, 570, 500, 333, 500, 500, 444, 500, 444, 333, 500, 556, 278, 278, 500, 278, 778, 556, 500, 500, 500, 389, 389, 278, 556, 444, 667, 500, 444, 389, 348, 220, 348, 570, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 523, 389, 500, 500, 500, 500, 220, 500, 333, 747, 266, 500, 606, 523, 747, 333, 400, 570, 300, 300, 333, 576, 500, 250, 333, 300, 300, 500, 750, 750, 750, 500, 667, 667, 667, 667, 667, 667, 944, 667, 667, 667, 667, 667, 389, 389, 389, 389, 722, 722, 722, 722, 722, 722, 722, 570, 722, 722, 722, 722, 722, 611, 611, 500, 500, 500, 500, 500, 500, 500, 722, 444, 444, 444, 444, 444, 278, 278, 278, 278, 500, 556, 500, 500, 500, 500, 500, 570, 500, 556, 556, 556, 556, 444, 500, 444, ]) }