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#ifndef INKSCAPE_UNIT_CONSTANTS_H
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#define INKSCAPE_UNIT_CONSTANTS_H
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// 72 points per inch divided by the SVG-recommended value of 90 pixels per inch for computer screen
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// For now it is constant throughout Inkscape, later we may make it changeable.
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// Ideally this should be the only place to change it, but this is not guaranteed (be careful!)
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#define DEVICESCALE 0.8
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#define PT_PER_PX DEVICESCALE
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#define PT_PER_PC 12.0
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#define PX_PER_PT (1/DEVICESCALE)
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#define PX_PER_PC (PX_PER_PT * PT_PER_PC)
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#define PX_PER_IN (PT_PER_IN / PT_PER_PX)
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#define PC_PER_IN (PT_PER_IN / PT_PER_PC)
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#define M_PER_IN 0.0254
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#define M_PER_PX (M_PER_IN / PX_PER_IN)
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#define CM_PER_IN 2.54
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#define MM_PER_IN 25.4
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#define MM_PER_CM 10.0
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#define MM_PER_M 1000.0
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#define IN_PER_PT (1 / PT_PER_IN)
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#define IN_PER_PX (1 / PX_PER_IN)
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#define IN_PER_CM (1 / CM_PER_IN)
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#define IN_PER_MM (1 / MM_PER_IN)
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#define IN_PER_FT 12.0
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#define FT_PER_IN (1 / IN_PER_FT)
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#define PT_PER_CM (PT_PER_IN / CM_PER_IN)
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#define PX_PER_CM (PX_PER_IN / CM_PER_IN)
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#define M_PER_PT (M_PER_IN / PT_PER_IN)
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#define PT_PER_M (PT_PER_IN / M_PER_IN)
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#define PX_PER_M (PX_PER_IN / M_PER_IN)
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#define CM_PER_PT (CM_PER_IN / PT_PER_IN)
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#define CM_PER_PX (CM_PER_IN / PX_PER_IN)
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#define MM_PER_PT (MM_PER_IN / PT_PER_IN)
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#define PT_PER_MM (PT_PER_IN / MM_PER_IN)
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#define PX_PER_MM (PX_PER_IN / MM_PER_IN)
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#define MM_PER_PX (MM_PER_IN / PX_PER_IN)
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#define PX_PER_FT (PX_PER_IN / FT_PER_IN)
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#endif /* !INKSCAPE_UNIT_CONSTANTS_H */