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-rw-r--r--third_party/freetype-py/examples/glyph-vector.py91
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diff --git a/third_party/freetype-py/examples/glyph-vector.py b/third_party/freetype-py/examples/glyph-vector.py
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--- a/third_party/freetype-py/examples/glyph-vector.py
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-# -----------------------------------------------------------------------------
-#
-# FreeType high-level python API - Copyright 2011 Nicolas P. Rougier
-# Distributed under the terms of the new BSD license.
-#
-# -----------------------------------------------------------------------------
-'''
-Show how to access glyph outline description.
-'''
-from freetype import *
-
-if __name__ == '__main__':
- import numpy
- import matplotlib.pyplot as plt
- from matplotlib.path import Path
- import matplotlib.patches as patches
-
- face = Face('./Vera.ttf')
- face.set_char_size( 48*64 )
- face.load_char('S')
- slot = face.glyph
-
- outline = slot.outline
- points = numpy.array(outline.points, dtype=[('x',float), ('y',float)])
- x, y = points['x'], points['y']
-
- figure = plt.figure(figsize=(8,10))
- axis = figure.add_subplot(111)
- #axis.scatter(points['x'], points['y'], alpha=.25)
- start, end = 0, 0
-
- VERTS, CODES = [], []
- # Iterate over each contour
- for i in range(len(outline.contours)):
- end = outline.contours[i]
- points = outline.points[start:end+1]
- points.append(points[0])
- tags = outline.tags[start:end+1]
- tags.append(tags[0])
-
- segments = [ [points[0],], ]
- for j in range(1, len(points) ):
- segments[-1].append(points[j])
- if tags[j] & (1 << 0) and j < (len(points)-1):
- segments.append( [points[j],] )
- verts = [points[0], ]
- codes = [Path.MOVETO,]
- for segment in segments:
- if len(segment) == 2:
- verts.extend(segment[1:])
- codes.extend([Path.LINETO])
- elif len(segment) == 3:
- verts.extend(segment[1:])
- codes.extend([Path.CURVE3, Path.CURVE3])
- else:
- verts.append(segment[1])
- codes.append(Path.CURVE3)
- for i in range(1,len(segment)-2):
- A,B = segment[i], segment[i+1]
- C = ((A[0]+B[0])/2.0, (A[1]+B[1])/2.0)
- verts.extend([ C, B ])
- codes.extend([ Path.CURVE3, Path.CURVE3])
- verts.append(segment[-1])
- codes.append(Path.CURVE3)
- VERTS.extend(verts)
- CODES.extend(codes)
- start = end+1
-
-
- # Draw glyph lines
- path = Path(VERTS, CODES)
- glyph = patches.PathPatch(path, facecolor='.75', lw=1)
-
- # Draw "control" lines
- for i, code in enumerate(CODES):
- if code == Path.CURVE3:
- CODES[i] = Path.LINETO
- path = Path(VERTS, CODES)
- patch = patches.PathPatch(path, ec='.5', fill=False, ls='dashed', lw=1 )
-
- axis.add_patch(patch)
- axis.add_patch(glyph)
-
- axis.set_xlim(x.min()-100, x.max()+100)
- plt.xticks([])
- axis.set_ylim(y.min()-100, y.max()+100)
- plt.yticks([])
- plt.show()
-
-
-