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render_string must have 5 params in all PDFDevice classes (euske#158)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,197 +1,197 @@ | ||
| # -*- coding: utf-8 -*- | ||
|
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| import six | ||
|
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| from .pdffont import PDFUnicodeNotDefined | ||
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| from . import utils | ||
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| ## PDFDevice | ||
| ## | ||
| class PDFDevice(object): | ||
|
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| def __init__(self, rsrcmgr): | ||
| self.rsrcmgr = rsrcmgr | ||
| self.ctm = None | ||
| return | ||
|
|
||
| def __repr__(self): | ||
| return '<PDFDevice>' | ||
|
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| def __enter__(self): | ||
| return self | ||
|
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| def __exit__(self, exc_type, exc_val, exc_tb): | ||
| self.close() | ||
|
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| def close(self): | ||
| return | ||
|
|
||
| def set_ctm(self, ctm): | ||
| self.ctm = ctm | ||
| return | ||
|
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| def begin_tag(self, tag, props=None): | ||
| return | ||
|
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| def end_tag(self): | ||
| return | ||
|
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| def do_tag(self, tag, props=None): | ||
| return | ||
|
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| def begin_page(self, page, ctm): | ||
| return | ||
|
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| def end_page(self, page): | ||
| return | ||
|
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| def begin_figure(self, name, bbox, matrix): | ||
| return | ||
|
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| def end_figure(self, name): | ||
| return | ||
|
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||
| def paint_path(self, graphicstate, stroke, fill, evenodd, path): | ||
| return | ||
|
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||
| def render_image(self, name, stream): | ||
| return | ||
|
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| def render_string(self, textstate, seq): | ||
| return | ||
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| ## PDFTextDevice | ||
| ## | ||
| class PDFTextDevice(PDFDevice): | ||
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| def render_string(self, textstate, seq, ncs, graphicstate): | ||
| matrix = utils.mult_matrix(textstate.matrix, self.ctm) | ||
| font = textstate.font | ||
| fontsize = textstate.fontsize | ||
| scaling = textstate.scaling * .01 | ||
| charspace = textstate.charspace * scaling | ||
| wordspace = textstate.wordspace * scaling | ||
| rise = textstate.rise | ||
| if font.is_multibyte(): | ||
| wordspace = 0 | ||
| dxscale = .001 * fontsize * scaling | ||
| if font.is_vertical(): | ||
| textstate.linematrix = self.render_string_vertical( | ||
| seq, matrix, textstate.linematrix, font, fontsize, | ||
| scaling, charspace, wordspace, rise, dxscale, ncs, graphicstate) | ||
| else: | ||
| textstate.linematrix = self.render_string_horizontal( | ||
| seq, matrix, textstate.linematrix, font, fontsize, | ||
| scaling, charspace, wordspace, rise, dxscale, ncs, graphicstate) | ||
| return | ||
|
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||
| def render_string_horizontal(self, seq, matrix, pos, | ||
| font, fontsize, scaling, charspace, wordspace, | ||
| rise, dxscale, ncs, graphicstate): | ||
| (x, y) = pos | ||
| needcharspace = False | ||
| for obj in seq: | ||
| if utils.isnumber(obj): | ||
| x -= obj*dxscale | ||
| needcharspace = True | ||
| else: | ||
| for cid in font.decode(obj): | ||
| if needcharspace: | ||
| x += charspace | ||
| x += self.render_char(utils.translate_matrix(matrix, (x, y)), | ||
| font, fontsize, scaling, rise, cid, | ||
| ncs, graphicstate) | ||
| if cid == 32 and wordspace: | ||
| x += wordspace | ||
| needcharspace = True | ||
| return (x, y) | ||
|
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||
| def render_string_vertical(self, seq, matrix, pos, | ||
| font, fontsize, scaling, charspace, wordspace, | ||
| rise, dxscale, ncs, graphicstate): | ||
| (x, y) = pos | ||
| needcharspace = False | ||
| for obj in seq: | ||
| if utils.isnumber(obj): | ||
| y -= obj*dxscale | ||
| needcharspace = True | ||
| else: | ||
| for cid in font.decode(obj): | ||
| if needcharspace: | ||
| y += charspace | ||
| y += self.render_char(utils.translate_matrix(matrix, (x, y)), | ||
| font, fontsize, scaling, rise, cid, | ||
| ncs, graphicstate) | ||
| if cid == 32 and wordspace: | ||
| y += wordspace | ||
| needcharspace = True | ||
| return (x, y) | ||
|
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| def render_char(self, matrix, font, fontsize, scaling, rise, cid, ncs, graphicstate): | ||
| return 0 | ||
|
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|
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| ## TagExtractor | ||
| ## | ||
| class TagExtractor(PDFDevice): | ||
|
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| def __init__(self, rsrcmgr, outfp, codec='utf-8'): | ||
| PDFDevice.__init__(self, rsrcmgr) | ||
| self.outfp = outfp | ||
| self.codec = codec | ||
| self.pageno = 0 | ||
| self._stack = [] | ||
| return | ||
|
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||
| def render_string(self, textstate, seq): | ||
| font = textstate.font | ||
| text = '' | ||
| for obj in seq: | ||
| if isinstance(obj, six.text_type): | ||
| obj = utils.make_compat_bytes(obj) | ||
| if not isinstance(obj, six.binary_type): | ||
| continue | ||
| chars = font.decode(obj) | ||
| for cid in chars: | ||
| try: | ||
| char = font.to_unichr(cid) | ||
| text += char | ||
| except PDFUnicodeNotDefined: | ||
| print(chars) | ||
| pass | ||
| self.outfp.write(utils.enc(text, self.codec)) | ||
| return | ||
|
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||
| def begin_page(self, page, ctm): | ||
| output = '<page id="%s" bbox="%s" rotate="%d">' % (self.pageno, utils.bbox2str(page.mediabox), page.rotate) | ||
| self.outfp.write(utils.make_compat_bytes(output)) | ||
| return | ||
|
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| def end_page(self, page): | ||
| self.outfp.write(utils.make_compat_bytes('</page>\n')) | ||
| self.pageno += 1 | ||
| return | ||
|
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||
| def begin_tag(self, tag, props=None): | ||
| s = '' | ||
| if isinstance(props, dict): | ||
| s = ''.join(' %s="%s"' % (utils.enc(k), utils.enc(str(v))) for (k, v) | ||
| in sorted(props.iteritems())) | ||
| out_s = '<%s%s>' % (utils.enc(tag.name), s) | ||
| self.outfp.write(utils.make_compat_bytes(out_s)) | ||
| self._stack.append(tag) | ||
| return | ||
|
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| def end_tag(self): | ||
| assert self._stack, str(self.pageno) | ||
| tag = self._stack.pop(-1) | ||
| out_s = '</%s>' % utils.enc(tag.name) | ||
| self.outfp.write(utils.make_compat_bytes(out_s)) | ||
| return | ||
|
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| def do_tag(self, tag, props=None): | ||
| self.begin_tag(tag, props) | ||
| self._stack.pop(-1) | ||
| return | ||
| # -*- coding: utf-8 -*- | ||
|
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| import six | ||
|
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| from .pdffont import PDFUnicodeNotDefined | ||
|
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| from . import utils | ||
|
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| ## PDFDevice | ||
| ## | ||
| class PDFDevice(object): | ||
|
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| def __init__(self, rsrcmgr): | ||
| self.rsrcmgr = rsrcmgr | ||
| self.ctm = None | ||
| return | ||
|
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| def __repr__(self): | ||
| return '<PDFDevice>' | ||
|
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| def __enter__(self): | ||
| return self | ||
|
|
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| def __exit__(self, exc_type, exc_val, exc_tb): | ||
| self.close() | ||
|
|
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| def close(self): | ||
| return | ||
|
|
||
| def set_ctm(self, ctm): | ||
| self.ctm = ctm | ||
| return | ||
|
|
||
| def begin_tag(self, tag, props=None): | ||
| return | ||
|
|
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| def end_tag(self): | ||
| return | ||
|
|
||
| def do_tag(self, tag, props=None): | ||
| return | ||
|
|
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| def begin_page(self, page, ctm): | ||
| return | ||
|
|
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| def end_page(self, page): | ||
| return | ||
|
|
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| def begin_figure(self, name, bbox, matrix): | ||
| return | ||
|
|
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| def end_figure(self, name): | ||
| return | ||
|
|
||
| def paint_path(self, graphicstate, stroke, fill, evenodd, path): | ||
| return | ||
|
|
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| def render_image(self, name, stream): | ||
| return | ||
|
|
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| def render_string(self, textstate, seq, ncs, graphicstate): | ||
| return | ||
|
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||
|
|
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| ## PDFTextDevice | ||
| ## | ||
| class PDFTextDevice(PDFDevice): | ||
|
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| def render_string(self, textstate, seq, ncs, graphicstate): | ||
| matrix = utils.mult_matrix(textstate.matrix, self.ctm) | ||
| font = textstate.font | ||
| fontsize = textstate.fontsize | ||
| scaling = textstate.scaling * .01 | ||
| charspace = textstate.charspace * scaling | ||
| wordspace = textstate.wordspace * scaling | ||
| rise = textstate.rise | ||
| if font.is_multibyte(): | ||
| wordspace = 0 | ||
| dxscale = .001 * fontsize * scaling | ||
| if font.is_vertical(): | ||
| textstate.linematrix = self.render_string_vertical( | ||
| seq, matrix, textstate.linematrix, font, fontsize, | ||
| scaling, charspace, wordspace, rise, dxscale, ncs, graphicstate) | ||
| else: | ||
| textstate.linematrix = self.render_string_horizontal( | ||
| seq, matrix, textstate.linematrix, font, fontsize, | ||
| scaling, charspace, wordspace, rise, dxscale, ncs, graphicstate) | ||
| return | ||
|
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||
| def render_string_horizontal(self, seq, matrix, pos, | ||
| font, fontsize, scaling, charspace, wordspace, | ||
| rise, dxscale, ncs, graphicstate): | ||
| (x, y) = pos | ||
| needcharspace = False | ||
| for obj in seq: | ||
| if utils.isnumber(obj): | ||
| x -= obj*dxscale | ||
| needcharspace = True | ||
| else: | ||
| for cid in font.decode(obj): | ||
| if needcharspace: | ||
| x += charspace | ||
| x += self.render_char(utils.translate_matrix(matrix, (x, y)), | ||
| font, fontsize, scaling, rise, cid, | ||
| ncs, graphicstate) | ||
| if cid == 32 and wordspace: | ||
| x += wordspace | ||
| needcharspace = True | ||
| return (x, y) | ||
|
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||
| def render_string_vertical(self, seq, matrix, pos, | ||
| font, fontsize, scaling, charspace, wordspace, | ||
| rise, dxscale, ncs, graphicstate): | ||
| (x, y) = pos | ||
| needcharspace = False | ||
| for obj in seq: | ||
| if utils.isnumber(obj): | ||
| y -= obj*dxscale | ||
| needcharspace = True | ||
| else: | ||
| for cid in font.decode(obj): | ||
| if needcharspace: | ||
| y += charspace | ||
| y += self.render_char(utils.translate_matrix(matrix, (x, y)), | ||
| font, fontsize, scaling, rise, cid, | ||
| ncs, graphicstate) | ||
| if cid == 32 and wordspace: | ||
| y += wordspace | ||
| needcharspace = True | ||
| return (x, y) | ||
|
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| def render_char(self, matrix, font, fontsize, scaling, rise, cid, ncs, graphicstate): | ||
| return 0 | ||
|
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|
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| ## TagExtractor | ||
| ## | ||
| class TagExtractor(PDFDevice): | ||
|
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| def __init__(self, rsrcmgr, outfp, codec='utf-8'): | ||
| PDFDevice.__init__(self, rsrcmgr) | ||
| self.outfp = outfp | ||
| self.codec = codec | ||
| self.pageno = 0 | ||
| self._stack = [] | ||
| return | ||
|
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| def render_string(self, textstate, seq, ncs, graphicstate): | ||
| font = textstate.font | ||
| text = '' | ||
| for obj in seq: | ||
| if isinstance(obj, six.text_type): | ||
| obj = utils.make_compat_bytes(obj) | ||
| if not isinstance(obj, six.binary_type): | ||
| continue | ||
| chars = font.decode(obj) | ||
| for cid in chars: | ||
| try: | ||
| char = font.to_unichr(cid) | ||
| text += char | ||
| except PDFUnicodeNotDefined: | ||
| print(chars) | ||
| pass | ||
| self.outfp.write(utils.enc(text, self.codec)) | ||
| return | ||
|
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| def begin_page(self, page, ctm): | ||
| output = '<page id="%s" bbox="%s" rotate="%d">' % (self.pageno, utils.bbox2str(page.mediabox), page.rotate) | ||
| self.outfp.write(utils.make_compat_bytes(output)) | ||
| return | ||
|
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| def end_page(self, page): | ||
| self.outfp.write(utils.make_compat_bytes('</page>\n')) | ||
| self.pageno += 1 | ||
| return | ||
|
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| def begin_tag(self, tag, props=None): | ||
| s = '' | ||
| if isinstance(props, dict): | ||
| s = ''.join(' %s="%s"' % (utils.enc(k), utils.enc(str(v))) for (k, v) | ||
| in sorted(props.iteritems())) | ||
| out_s = '<%s%s>' % (utils.enc(tag.name), s) | ||
| self.outfp.write(utils.make_compat_bytes(out_s)) | ||
| self._stack.append(tag) | ||
| return | ||
|
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| def end_tag(self): | ||
| assert self._stack, str(self.pageno) | ||
| tag = self._stack.pop(-1) | ||
| out_s = '</%s>' % utils.enc(tag.name) | ||
| self.outfp.write(utils.make_compat_bytes(out_s)) | ||
| return | ||
|
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| def do_tag(self, tag, props=None): | ||
| self.begin_tag(tag, props) | ||
| self._stack.pop(-1) | ||
| return |