GlyphPreview / interpolate / scale

RoboFont › Forums › Help / General › GlyphPreview / interpolate / scale

This topic contains 3 replies, has 2 voices, and was last updated by  luke 6 years, 4 months ago.

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  • May 30, 2014 at 11:28 #5900

    luke
    Member

    Hi,
    is it somehow possible to scale 

    RGlyph()

    when using Interpolation and GlyphPreview?
    I tried this without success, maybe it isn’t that easy?

                            newGlyph = RGlyph()
                        newGlyph.interpolate(factor, glyph1, glyph2)
                        if newGlyph.interpolate(factor, glyph1, glyph2) == True: 
                            newGlyph.scale((120,120))
                            self.d.preview.setGlyph(newGlyph)
    
thanks in advance!
    May 30, 2014 at 12:10 #5901

    luke
    Member

    and maybe you know also if the interpolation factor can be somehow divided in x and y?

    thanks in advance!

    May 30, 2014 at 13:05 #5902

    frederik
    Keymaster

    you can interpolate with a different x, y values:

    newGlyph.interpolate((factorX, factorY), glyph1, glyph2)

    also see http://robofab.com/howto/interpolate.html

    The glyphPreview thing is actually a simple thing. It scales the glyph according the size of the view.
    why do you want to scale the glyph? is the glyph to big?

    what could help is to set a unitsperem in the parent of the glyph:

    
dummyFont = RFont(showUI=False)

newGlyph = dummyFont.newGlyph("testInterpolation")

newGlyph.interpolate(factor, masterGlyph1, masterGlyph2)

box = newGlyph.box()

if box:
    minx, miny, maxx, maxy = box
    dummyFont.info.unitsPerEm = maxy - miny # calculate the height of the glyph

preview.setGlyph(newGlyph)

    good luck!

    May 30, 2014 at 13:16 #5904

    luke
    Member

    thank you!
    I would like to scale the glyph, because at first I would like to preview a scaled and interpolated glyph.
    In order to output them later.
    maybe 

    RFont(showUI=False)

    helps – need to try that.

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