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  • Committer: Yves Piguet
  • Date: 2014-07-13 17:07:54 UTC
  • Revision ID: launchpad@nyctergatis.com-20140713170754-jwa5xo4klqh03va5
New macros NPWGraphicsTranslate and NPWGraphicsScale

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Src/NPWGraphics.h
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 *      @file NPWGraphics.h
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 *      @brief Helper functions for graphics
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 *      @author Yves Piguet.
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 *      @copyright 2008-2013, Yves Piguet
 
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 *      @copyright 2008-2014, Yves Piguet
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 */
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#ifndef __NPWGraphics__
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#define NPWGraphicsConcatCTM(pdf, a, b, c, d, e, f) \
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        NPWGraphicsCmd(pdf, "cm", "ffffff", \
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                (NPWFloat)(a), (NPWFloat)(b), (NPWFloat)(c), (NPWFloat)(d), (NPWFloat)(e), (NPWFloat)(f))
 
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/// Concatenate a translation matrix to the current coordinate transform matrix
 
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#define NPWGraphicsTranslate(pdf, dx, dy) \
 
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        NPWGraphicsConcatCTM(pdf, 1, 0, 0, 1, dx, dy)
 
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/// Concatenate a scaling matrix to the current coordinate transform matrix
 
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#define NPWGraphicsScale(pdf, sx, sy) \
 
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        NPWGraphicsConcatCTM(pdf, sx, 0, 0, sy, 0, 0)
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/// Set line width for stroking
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#define NPWGraphicsSetLineWidth(pdf, w) \
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        NPWGraphicsCmd(pdf, "w", "f", (NPWFloat)(w))