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stuaxo/Recording Surface to SVG Surface.ipynb

Created February 26, 2020 23:09
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Attempting to repro a bug in shoebot
Display the source blob
Display the rendered blob
Raw
Recording Surface to SVG Surface.ipynb
{
"cells": [
{
"cell_type": "code",
"execution_count": 27,
"metadata": {},
"outputs": [],
"source": [
"# packages used\n",
"# !pip3 install display-xml --user\n",
"# !pip3 install cairo_jupyter"
]
},
{
"cell_type": "code",
"execution_count": 25,
"metadata": {},
"outputs": [
{
"data": {
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"<svg height=\"100pt\" version=\"1.1\" viewBox=\"0 0 100 100\" width=\"100pt\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
"<defs>\n",
"<g clip-path=\"url(#clip1)\" id=\"surface179\">\n",
"<rect height=\"16777215\" style=\"opacity:1;stroke:none;fill:rgb(0,0,0);\" width=\"16777215\"/>\n",
"<path d=\"M 0.398438 0.398438 L 51 0.398438 L 51 51 L 0.398438 51 Z M 0.398438 0.398438 \" style=\" stroke:none;fill-rule:nonzero;fill:rgb(100%,20%,20%);fill-opacity:0.6;\"/>\n",
"</g>\n",
"</defs>\n",
"<g id=\"surface176\">\n",
"<use transform=\"matrix(1,0,0,1,10,10)\" xlink:href=\"#surface179\"/>\n",
"</g>\n",
"</svg>"
],
"text/plain": [
"<IPython.core.display.SVG object>"
]
},
"metadata": {},
"output_type": "display_data"
},
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" </style>\n",
" <div class=\"highlight\"><pre><span></span><span class=\"nt\">&lt;svg</span> <span class=\"na\">xmlns=</span><span class=\"s\">&quot;http://www.w3.org/2000/svg&quot;</span> <span class=\"na\">xmlns:xlink=</span><span class=\"s\">&quot;http://www.w3.org/1999/xlink&quot;</span> <span class=\"na\">width=</span><span class=\"s\">&quot;100pt&quot;</span> <span class=\"na\">height=</span><span class=\"s\">&quot;100pt&quot;</span> <span class=\"na\">viewBox=</span><span class=\"s\">&quot;0 0 100 100&quot;</span> <span class=\"na\">version=</span><span class=\"s\">&quot;1.1&quot;</span><span class=\"nt\">&gt;</span>\n",
" <span class=\"nt\">&lt;defs&gt;</span>\n",
" <span class=\"nt\">&lt;g</span> <span class=\"na\">id=</span><span class=\"s\">&quot;surface179&quot;</span> <span class=\"na\">clip-path=</span><span class=\"s\">&quot;url(#clip1)&quot;</span><span class=\"nt\">&gt;</span>\n",
" <span class=\"nt\">&lt;rect</span> <span class=\"na\">width=</span><span class=\"s\">&quot;16777215&quot;</span> <span class=\"na\">height=</span><span class=\"s\">&quot;16777215&quot;</span> <span class=\"na\">style=</span><span class=\"s\">&quot;opacity:1;stroke:none;fill:rgb(0,0,0);&quot;</span><span class=\"nt\">/&gt;</span>\n",
" <span class=\"nt\">&lt;path</span> <span class=\"na\">style=</span><span class=\"s\">&quot; stroke:none;fill-rule:nonzero;fill:rgb(100%,20%,20%);fill-opacity:0.6;&quot;</span> <span class=\"na\">d=</span><span class=\"s\">&quot;M 0.398438 0.398438 L 51 0.398438 L 51 51 L 0.398438 51 Z M 0.398438 0.398438 &quot;</span><span class=\"nt\">/&gt;</span>\n",
" <span class=\"nt\">&lt;/g&gt;</span>\n",
" <span class=\"nt\">&lt;/defs&gt;</span>\n",
" <span class=\"nt\">&lt;g</span> <span class=\"na\">id=</span><span class=\"s\">&quot;surface176&quot;</span><span class=\"nt\">&gt;</span>\n",
" <span class=\"nt\">&lt;use</span> <span class=\"na\">xlink:href=</span><span class=\"s\">&quot;#surface179&quot;</span> <span class=\"na\">transform=</span><span class=\"s\">&quot;matrix(1,0,0,1,10,10)&quot;</span><span class=\"nt\">/&gt;</span>\n",
" <span class=\"nt\">&lt;/g&gt;</span>\n",
"<span class=\"nt\">&lt;/svg&gt;</span>\n",
"</pre></div>\n",
"\n",
" </div>\n",
" "
],
"text/plain": [
"<display_xml.xml.XML at 0x7fae178b2d90>"
]
},
"execution_count": 25,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%reload_ext cairo_jupyter\n",
"\n",
"# RecordingSurface info from copied from https://stackoverflow.com/questions/29359534/transferring-all-of-a-cairo-recordingsurface-to-svg\n",
"\n",
"import cairo\n",
"\n",
"from io import BytesIO\n",
"from IPython.display import SVG, display\n",
"\n",
"rec_surf = cairo.RecordingSurface(cairo.CONTENT_COLOR, None)\n",
"\n",
"context = cairo.Context(rec_surf)\n",
"context.set_source_rgba(1, 0.2, 0.2, 0.6)\n",
"context.rectangle(0.4, 0.4, 50.6, 50.6)\n",
"context.fill()\n",
"\n",
"svgio = BytesIO()\n",
"\n",
"# can't seem to do the following in a with statement:\n",
"final_surf = cairo.SVGSurface(svgio, 100, 100)\n",
"final_ctx = cairo.Context(final_surf)\n",
"final_ctx.set_source_surface(rec_surf, 10, 10)\n",
"final_ctx.paint()\n",
"final_surf.finish()\n",
"\n",
"display(SVG(data=svgio.getvalue()))\n",
"XML(svgio.getvalue(), style='autumn')"
]
}
],
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