Commitd3ad76f

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Automatically load PGF components

1 parente826b38 commitd3ad76fCopy full SHA for d3ad76f

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Lines changed: 3 additions & 10 deletions

Original file line number	Diff line number	Diff line change
`@@ -677,16 +677,6 @@ def set_sketch_params(self, scale=None, length=None, randomness=None):`
`677`	`677`	`"""`
`678`	`678`	`Set the sketch parameters.`
`679`	`679`
`680`		`- Requires the following preamble when using the PGF backend::`
`681`		`-`
`682`		`-\\usepgfmodule{decorations}`
`683`		`-\\usepgflibrary{decorations.pathmorphing}`
`684`		`-`
`685`		`- This also applies to PGF backend + PDF output, where this must be added`
`686`		`- to pgf.preamble manually. The PGF backend uses the randomness`
`687`		`- argument as a seed and not as described below. Pass the same seed to`
`688`		`- obtain the same random shape.`
`689`		`-`
`690`	`680`	`Parameters`
`691`	`681`	`----------`
`692`	`682`	`scale : float, optional`
`@@ -700,6 +690,9 @@ def set_sketch_params(self, scale=None, length=None, randomness=None):`
`700`	`690`	`The scale factor by which the length is shrunken or`
`701`	`691`	`expanded (default 16.0)`
`702`	`692`
	`693`	`+ The PGF backend uses this argument as an RNG seed and not as`
	`694`	`+ described above. Using the same seed yields the same random shape.`
	`695`	`+`
`703`	`696`	`.. ACCEPTS: (scale: float, length: float, randomness: float)`
`704`	`697`	`"""`
`705`	`698`	`ifscaleisNone:`

Lines changed: 3 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -612,6 +612,9 @@ def _print_pgf_path(self, gc, path, transform, rgbFace=None):`
`612`	`612`	`# same shape on multiple sketched lines`
`613`	`613`	`scale,length,randomness=sketch_params`
`614`	`614`	`ifscaleisnotNone:`
	`615`	`+# PGF guarantees that repeated loading is a no-op`
	`616`	`+writeln(self.fh,r"\usepgfmodule{decorations}")`
	`617`	`+writeln(self.fh,r"\usepgflibrary{decorations.pathmorphing}")`
`615`	`618`	`writeln(self.fh,r"\pgfkeys{/pgf/decoration/.cd, "`
`616`	`619`	`f"segment length ={(length*f):f}in, "`
`617`	`620`	`f"amplitude ={(scale*f):f}in}}")`

Lines changed: 2 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -354,6 +354,8 @@ def test_sketch_params():`
`354`	`354`
`355`	`355`	`baseline=r"""\pgfpathmoveto{\pgfqpoint{0.375000in}{0.300000in}}%`
`356`	`356`	`\pgfpathlineto{\pgfqpoint{2.700000in}{2.700000in}}%`
	`357`	`+\usepgfmodule{decorations}%`
	`358`	`+\usepgflibrary{decorations.pathmorphing}%`
`357`	`359`	`\pgfkeys{/pgf/decoration/.cd, """ \`
`358`	`360`	`r"""segment length = 0.300000in, amplitude = 0.050000in}%`
`359`	`361`	`\pgfmathsetseed{42}%`

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