Compare: (<)C:\test\GDstruct.gd (3146 bytes)
   with: (>)C:\test\GDstruct.dib (3124 bytes)

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<     /* There should NEVER BE ACCESSOR MACROS FOR ITEMS BELOW HERE, so this
<        part of the structure can be safely changed in new releases. */
< 
<     /* 2.0.12: anti-aliased globals. 2.0.26: just a few vestiges after
<       switching to the fast, memory-cheap implementation from PHP-gd. */
---
>     /* 2.0.12: anti-aliased globals */
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>     unsigned char **AA_opacity;
>     int AA_polygon;
>     /* Stored and pre-computed variables for determining the perpendicular
>        distance from a point to the anti-aliased line being drawn: */
>     int AAL_x1;
>     int AAL_y1;
>     int AAL_x2;
>     int AAL_y2;
>     int AAL_Bx_Ax;
>     int AAL_By_Ay;
>     int AAL_LAB_2;
>     float AAL_LAB;
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< 
<     /* 2.1.0: allows to specify resolution in dpi */
<     unsigned int res_x;
<     unsigned int res_y;
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<   
<