73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
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#define uchar unsigned char
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#define swap(x, y) { int temp = x; x = y; y = temp; }
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#define swapb(x, y) { uchar temp = x; x = y; y = temp; }
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#define max(x, y) ((x > y) ? x : y)
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#define min(x, y) ((x > y) ? y : x)
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#define outside(x, y) (x < __clipx1 || x > __clipx2 || y < __clipy1 \
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|| y > __clipy2)
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#define x_outside(x) (x < __clipx1 || x > __clipx2)
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#define y_outside(y) (y < __clipy1 || y > __clipy2)
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#define clipxleft(x) if (x < __clipx1) x = __clipx1;
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#define clipxright(x) if (x > __clipx2) x = __clipx2;
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#define clipytop(y) if (y < __clipy1) y = __clipy1;
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#define clipybottom(y) if (y > __clipy2) y = __clipy2;
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#define setpixel (*(__currentcontext.ff.driver_setpixel_func))
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#define getpixel (*(__currentcontext.ff.driver_getpixel_func))
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#define hline (*(__currentcontext.ff.driver_hline_func))
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#define fillbox (*(__currentcontext.ff.driver_fillbox_func))
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#define putbox (*(__currentcontext.ff.driver_putbox_func))
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#define getbox (*(__currentcontext.ff.driver_getbox_func))
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#define putboxmask (*(__currentcontext.ff.driver_putboxmask_func))
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#define putboxpart (*(__currentcontext.ff.driver_putboxpart_func))
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#define getboxpart (*(__currentcontext.ff.driver_getboxpart_func))
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#define copybox (*(__currentcontext.ff.driver_copybox_func))
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#define TEXT_TABSIZE 8
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#ifdef DLL_CONTEXT_SHADOW
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/* Library uses internal currentcontext for faster DLL library. */
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#undef BYTESPERPIXEL
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#undef BYTEWIDTH
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#undef WIDTH
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#undef HEIGHT
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#undef VBUF
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#undef MODETYPE
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#undef MODEFLAGS
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#undef BITSPERPIXEL
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#undef COLORS
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#undef __clip
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#undef __clipx1
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#undef __clipy1
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#undef __clipx2
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#undef __clipy2
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extern GraphicsContext __currentcontext;
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#define BYTESPERPIXEL (__currentcontext.bytesperpixel)
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#define BYTEWIDTH (__currentcontext.bytewidth)
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#define WIDTH (__currentcontext.width)
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#define HEIGHT (__currentcontext.height)
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#define VBUF (__currentcontext.vbuf)
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#define MODETYPE (__currentcontext.modetype)
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#define MODEFLAGS (__currentcontext.modeflags)
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#define BITSPERPIXEL (__currentcontext.bitsperpixel)
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#define COLORS (__currentcontext.colors)
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#define __clip (__currentcontext.clip)
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#define __clipx1 (__currentcontext.clipx1)
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#define __clipy1 (__currentcontext.clipy1)
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#define __clipx2 (__currentcontext.clipx2)
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#define __clipy2 (__currentcontext.clipy2)
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#else
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#define __currentcontext currentcontext
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#endif
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