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<HTML
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>graphics</TITLE
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><H1
>graphics</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN707"
></A
><H2
>Name</H2
>graphics — </DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN710"
></A
><H2
>Synopsis</H2
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="SYNOPSIS"
>
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> <A
HREF="nano-x-graphics.html#GRNEWGC"
>GrNewGC</A
> (void);
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> <A
HREF="nano-x-graphics.html#GRCOPYGC"
>GrCopyGC</A
> (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc);
void <A
HREF="nano-x-graphics.html#GRGETGCINFO"
>GrGetGCInfo</A
> (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-GC-INFO-CAPS"
>GR_GC_INFO</GTKDOCLINK
> *gcip);
void <A
HREF="nano-x-graphics.html#GRDESTROYGC"
>GrDestroyGC</A
> (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc);
void <A
HREF="nano-x-graphics.html#GRLINE"
>GrLine</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x1,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y1,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x2,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y2);
void <A
HREF="nano-x-graphics.html#GRPOINT"
>GrPoint</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y);
void <A
HREF="nano-x-graphics.html#GRPOINTS"
>GrPoints</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COUNT-CAPS"
>GR_COUNT</GTKDOCLINK
> count,
<GTKDOCLINK
HREF="GR-POINT-CAPS"
>GR_POINT</GTKDOCLINK
> *pointtable);
void <A
HREF="nano-x-graphics.html#GRRECT"
>GrRect</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height);
void <A
HREF="nano-x-graphics.html#GRFILLRECT"
>GrFillRect</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height);
void <A
HREF="nano-x-graphics.html#GRPOLY"
>GrPoly</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COUNT-CAPS"
>GR_COUNT</GTKDOCLINK
> count,
<GTKDOCLINK
HREF="GR-POINT-CAPS"
>GR_POINT</GTKDOCLINK
> *pointtable);
void <A
HREF="nano-x-graphics.html#GRFILLPOLY"
>GrFillPoly</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COUNT-CAPS"
>GR_COUNT</GTKDOCLINK
> count,
<GTKDOCLINK
HREF="GR-POINT-CAPS"
>GR_POINT</GTKDOCLINK
> *pointtable);
void <A
HREF="nano-x-graphics.html#GRELLIPSE"
>GrEllipse</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> rx,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> ry);
void <A
HREF="nano-x-graphics.html#GRFILLELLIPSE"
>GrFillEllipse</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> rx,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> ry);
void <A
HREF="nano-x-graphics.html#GRARC"
>GrArc</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> rx,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> ry,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> ax,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> ay,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> bx,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> by,
int type);
void <A
HREF="nano-x-graphics.html#GRARCANGLE"
>GrArcAngle</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> rx,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> ry,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> angle1,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> angle2,
int type);
void <A
HREF="nano-x-graphics.html#GRSETGCFOREGROUND"
>GrSetGCForeground</A
> (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COLOR-CAPS"
>GR_COLOR</GTKDOCLINK
> foreground);
void <A
HREF="nano-x-graphics.html#GRSETGCBACKGROUND"
>GrSetGCBackground</A
> (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COLOR-CAPS"
>GR_COLOR</GTKDOCLINK
> background);
void <A
HREF="nano-x-graphics.html#GRSETGCUSEBACKGROUND"
>GrSetGCUseBackground</A
> (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-BOOL-CAPS"
>GR_BOOL</GTKDOCLINK
> flag);
void <A
HREF="nano-x-graphics.html#GRSETGCMODE"
>GrSetGCMode</A
> (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
int mode);
void <A
HREF="nano-x-graphics.html#GRSETGCFONT"
>GrSetGCFont</A
> (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-FONT-ID-CAPS"
>GR_FONT_ID</GTKDOCLINK
> font);
void <A
HREF="nano-x-graphics.html#GRGETGCTEXTSIZE"
>GrGetGCTextSize</A
> (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
void *str,
int count,
int flags,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> *retwidth,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> *retheight,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> *retbase);
void <A
HREF="nano-x-graphics.html#GRREADAREA"
>GrReadArea</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
<GTKDOCLINK
HREF="GR-PIXELVAL-CAPS"
>GR_PIXELVAL</GTKDOCLINK
> *pixels);
void <A
HREF="nano-x-graphics.html#GRAREA"
>GrArea</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
void *pixels,
int pixtype);
void <A
HREF="nano-x-graphics.html#GRCOPYAREA"
>GrCopyArea</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> srcid,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> srcx,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> srcy,
int op);
void <A
HREF="nano-x-graphics.html#GRBITMAP"
>GrBitmap</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
<GTKDOCLINK
HREF="GR-BITMAP-CAPS"
>GR_BITMAP</GTKDOCLINK
> *imagebits);
void <A
HREF="nano-x-graphics.html#GRFREEIMAGE"
>GrFreeImage</A
> (<GTKDOCLINK
HREF="GR-IMAGE-ID-CAPS"
>GR_IMAGE_ID</GTKDOCLINK
> id);
void <A
HREF="nano-x-graphics.html#GRGETIMAGEINFO"
>GrGetImageInfo</A
> (<GTKDOCLINK
HREF="GR-IMAGE-ID-CAPS"
>GR_IMAGE_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-IMAGE-INFO-CAPS"
>GR_IMAGE_INFO</GTKDOCLINK
> *iip);
void <A
HREF="nano-x-graphics.html#GRDRAWIMAGEFROMFILE"
>GrDrawImageFromFile</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
char *path,
int flags);
<GTKDOCLINK
HREF="GR-IMAGE-ID-CAPS"
>GR_IMAGE_ID</GTKDOCLINK
> <A
HREF="nano-x-graphics.html#GRLOADIMAGEFROMFILE"
>GrLoadImageFromFile</A
> (char *path,
int flags);
void <A
HREF="nano-x-graphics.html#GRDRAWIMAGETOFIT"
>GrDrawImageToFit</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
<GTKDOCLINK
HREF="GR-IMAGE-ID-CAPS"
>GR_IMAGE_ID</GTKDOCLINK
> imageid);
void <A
HREF="nano-x-graphics.html#GRDRAWIMAGEBITS"
>GrDrawImageBits</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-IMAGE-HDR-CAPS"
>GR_IMAGE_HDR</GTKDOCLINK
> *pimage);
void <A
HREF="nano-x-graphics.html#GRTEXT"
>GrText</A
> (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
void *str,
<GTKDOCLINK
HREF="GR-COUNT-CAPS"
>GR_COUNT</GTKDOCLINK
> count,
int flags);</PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN883"
></A
><H2
>Description</H2
><P
></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN886"
></A
><H2
>Details</H2
><DIV
CLASS="REFSECT2"
><A
NAME="AEN888"
></A
><H3
><A
NAME="GRNEWGC"
></A
>GrNewGC ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> GrNewGC (void);</PRE
></TD
></TR
></TABLE
><P
>Creates a new graphics context structure and returns the ID used to refer
to it. The structure is initialised with a set of default parameters.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><I
CLASS="EMPHASIS"
>Returns</I
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the newly created graphics context or 0 on error</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN904"
></A
><H3
><A
NAME="GRCOPYGC"
></A
>GrCopyGC ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> GrCopyGC (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc);</PRE
></TD
></TR
></TABLE
><P
>Creates a new graphics context structure and fills it in with the values
from the specified already existing graphics context.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the already existing graphics context to copy the parameters from</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><I
CLASS="EMPHASIS"
>Returns</I
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the newly created graphics context or 0 on error</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN925"
></A
><H3
><A
NAME="GRGETGCINFO"
></A
>GrGetGCInfo ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrGetGCInfo (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-GC-INFO-CAPS"
>GR_GC_INFO</GTKDOCLINK
> *gcip);</PRE
></TD
></TR
></TABLE
><P
>Fills in the specified GR_GC_INFO structure with information regarding the
specified graphics context.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> a graphics context</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gcip</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to a GR_GC_INFO structure</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN946"
></A
><H3
><A
NAME="GRDESTROYGC"
></A
>GrDestroyGC ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrDestroyGC (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc);</PRE
></TD
></TR
></TABLE
><P
>Destroys the graphics context structure with the specified ID.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context structure to destroy</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN962"
></A
><H3
><A
NAME="GRLINE"
></A
>GrLine ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrLine (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x1,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y1,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x2,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y2);</PRE
></TD
></TR
></TABLE
><P
>Draws a line using the specified graphics context on the specified drawable
from (x1, y1) to (x2, y2), with coordinates given relative to the drawable.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the line on</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the line</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x1</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate of the start of the line relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y1</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate of the start of the line relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x2</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate of the end of the line relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y2</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate of the end of the line relative to the drawable</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1003"
></A
><H3
><A
NAME="GRPOINT"
></A
>GrPoint ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrPoint (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y);</PRE
></TD
></TR
></TABLE
><P
>Draws a point using the specified graphics context at the specified position
on the specified drawable.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw a point on</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the point</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the point at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the point at relative to the drawable</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1034"
></A
><H3
><A
NAME="GRPOINTS"
></A
>GrPoints ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrPoints (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COUNT-CAPS"
>GR_COUNT</GTKDOCLINK
> count,
<GTKDOCLINK
HREF="GR-POINT-CAPS"
>GR_POINT</GTKDOCLINK
> *pointtable);</PRE
></TD
></TR
></TABLE
><P
>Draws a set of points using the specified graphics context at the positions
specified by the point table on the specified drawable.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw a point on</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the point</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>count</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the number of points in the point table</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>pointtable</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to a GR_POINT array which lists the points to draw</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1065"
></A
><H3
><A
NAME="GRRECT"
></A
>GrRect ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrRect (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height);</PRE
></TD
></TR
></TABLE
><P
>Draw the boundary of a rectangle of the specified dimensions and position
on the specified drawable using the specified graphics context.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the rectangle on</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the rectangle</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate of the rectangle relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate of the rectangle relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>width</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the width of the rectangle</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>height</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the height of the rectangle</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1106"
></A
><H3
><A
NAME="GRFILLRECT"
></A
>GrFillRect ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrFillRect (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height);</PRE
></TD
></TR
></TABLE
><P
>Draw a filled rectangle of the specified dimensions and position on the
specified drawable using the specified graphics context.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the rectangle on</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the rectangle</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate of the rectangle relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate of the rectangle relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>width</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the width of the rectangle</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>height</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the height of the rectangle</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1147"
></A
><H3
><A
NAME="GRPOLY"
></A
>GrPoly ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrPoly (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COUNT-CAPS"
>GR_COUNT</GTKDOCLINK
> count,
<GTKDOCLINK
HREF="GR-POINT-CAPS"
>GR_POINT</GTKDOCLINK
> *pointtable);</PRE
></TD
></TR
></TABLE
><P
>Draws an unfilled polygon on the specified drawable using the specified
graphics context. The polygon is specified by an array of point structures.
The polygon is not automatically closed- if a closed polygon is desired,
the last point must be the same as the first.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the polygon onto</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the polygon</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>count</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the number of points in the point array</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>pointtable</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to an array of points describing the polygon</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1178"
></A
><H3
><A
NAME="GRFILLPOLY"
></A
>GrFillPoly ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrFillPoly (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COUNT-CAPS"
>GR_COUNT</GTKDOCLINK
> count,
<GTKDOCLINK
HREF="GR-POINT-CAPS"
>GR_POINT</GTKDOCLINK
> *pointtable);</PRE
></TD
></TR
></TABLE
><P
>Draws a filled polygon on the specified drawable using the specified
graphics context. The polygon is specified by an array of point structures.
The polygon is automatically closed- the last point need not be the same as
the first in order for the polygon to be closed.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the polygon onto</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the polygon</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>count</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the number of points in the point array</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>pointtable</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to an array of points describing the polygon</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1209"
></A
><H3
><A
NAME="GRELLIPSE"
></A
>GrEllipse ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrEllipse (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> rx,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> ry);</PRE
></TD
></TR
></TABLE
><P
>Draws the boundary of ellipse at the specified position using the specified
dimensions and graphics context on the specified drawable.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the ellipse on</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the ellipse</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the ellipse at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the ellipse at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>rx</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the radius of the ellipse on the X axis</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>ry</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the radius of the ellipse on the Y axis</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1250"
></A
><H3
><A
NAME="GRFILLELLIPSE"
></A
>GrFillEllipse ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrFillEllipse (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> rx,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> ry);</PRE
></TD
></TR
></TABLE
><P
>Draws a filled ellipse at the specified position using the specified
dimensions and graphics context on the specified drawable.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the filled ellipse on</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the ellipse</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the ellipse at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the ellipse at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>rx</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the radius of the ellipse on the X axis</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>ry</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the radius of the ellipse on the Y axis</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1291"
></A
><H3
><A
NAME="GRARC"
></A
>GrArc ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrArc (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> rx,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> ry,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> ax,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> ay,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> bx,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> by,
int type);</PRE
></TD
></TR
></TABLE
><P
>Draws an arc with the specified dimensions at the specified position
on the specified drawable using the specified graphics context.
The type specifies the fill type. Possible values include GR_ARC and
GR_PIE.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the arc on</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the graphics context to use when drawing the arc</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the arc at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the arc at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>rx</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the radius of the arc on the X axis</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>ry</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the radius of the arc on the Y axis</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>ax</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate of the start of the arc relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>ay</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate of the start of the arc relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>bx</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate of the end of the arc relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>by</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate of the end of the arc relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>type</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the fill style to use when drawing the arc</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1356"
></A
><H3
><A
NAME="GRARCANGLE"
></A
>GrArcAngle ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrArcAngle (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> rx,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> ry,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> angle1,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> angle2,
int type);</PRE
></TD
></TR
></TABLE
><P
>Draws an arc with the specified dimensions at the specified position
on the specified drawable using the specified graphics context.
The type specifies the fill type. Possible values include GR_ARC and
GR_PIE. This function requires floating point support, and is slightly
slower than the <A
HREF="nano-x-graphics.html#GRARC"
>GrArc</A
>() function which does not require floating point.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the arc on</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the graphics context to use when drawing the arc</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the arc at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the arc at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>rx</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the radius of the arc on the X axis</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>ry</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the radius of the arc on the Y axis</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>angle1</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the angle of the start of the arc</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>angle2</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the angle of the end of the arc</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>type</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the fill style to use when drawing the arc</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1412"
></A
><H3
><A
NAME="GRSETGCFOREGROUND"
></A
>GrSetGCForeground ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrSetGCForeground (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COLOR-CAPS"
>GR_COLOR</GTKDOCLINK
> foreground);</PRE
></TD
></TR
></TABLE
><P
>Changes the foreground colour of the specified graphics context to the
specified colour.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to set the foreground colour of</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>foreground</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the colour to use as the new foreground colour</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1433"
></A
><H3
><A
NAME="GRSETGCBACKGROUND"
></A
>GrSetGCBackground ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrSetGCBackground (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COLOR-CAPS"
>GR_COLOR</GTKDOCLINK
> background);</PRE
></TD
></TR
></TABLE
><P
>Changes the background colour of the specified graphics context to the
specified colour.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to set the background colour of</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>background</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the colour to use as the new background colour</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1454"
></A
><H3
><A
NAME="GRSETGCUSEBACKGROUND"
></A
>GrSetGCUseBackground ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrSetGCUseBackground (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-BOOL-CAPS"
>GR_BOOL</GTKDOCLINK
> flag);</PRE
></TD
></TR
></TABLE
><P
>Sets the flag which chooses whether or not the background colour is used
when drawing bitmaps and text using the specified graphics context to the
specified value.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to change the "use background" flag of</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>flag</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> flag specifying whether to use the background colour or not</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1475"
></A
><H3
><A
NAME="GRSETGCMODE"
></A
>GrSetGCMode ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrSetGCMode (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
int mode);</PRE
></TD
></TR
></TABLE
><P
>Changes the drawing mode (SET, XOR, OR, AND, etc.) of the specified
graphics context to the specified mode.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to set the drawing mode of</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>mode</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the new drawing mode</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1495"
></A
><H3
><A
NAME="GRSETGCFONT"
></A
>GrSetGCFont ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrSetGCFont (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-FONT-ID-CAPS"
>GR_FONT_ID</GTKDOCLINK
> font);</PRE
></TD
></TR
></TABLE
><P
>Sets the font to be used for text drawing in the specified graphics
context to the specified font ID.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to set the font of</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>font</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the font</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1516"
></A
><H3
><A
NAME="GRGETGCTEXTSIZE"
></A
>GrGetGCTextSize ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrGetGCTextSize (<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
void *str,
int count,
int flags,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> *retwidth,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> *retheight,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> *retbase);</PRE
></TD
></TR
></TABLE
><P
>Calculates the dimensions of the specified text string using the current font
and flags in the specified graphics context. The count argument can be -1
if the string is null terminated.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the graphics context</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>str</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to a text string</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>count</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the length of the string</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>flags</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> text rendering flags (GR_TF*)</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>retwidth</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to the variable the width will be returned in</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>retheight</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to the variable the height will be returned in</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>retbase</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to the variable the baseline height will be returned in</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1559"
></A
><H3
><A
NAME="GRREADAREA"
></A
>GrReadArea ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrReadArea (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
<GTKDOCLINK
HREF="GR-PIXELVAL-CAPS"
>GR_PIXELVAL</GTKDOCLINK
> *pixels);</PRE
></TD
></TR
></TABLE
><P
>Reads the pixel data of the specified size from the specified position on
the specified drawable into the specified pixel array. If the drawable is
a window, the data returned will be the pixel values from the relevant
position on the screen regardless of whether the window is obscured by other
windows. If the window is unmapped, or partially or fully outside a window
boundary, black pixel values will be returned.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to read an area from</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to read the area from relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to read the area from relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>width</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the width of the area to read</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>height</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the height of the area to read</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>pixels</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to an area of memory to place the pixel data in</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1600"
></A
><H3
><A
NAME="GRAREA"
></A
>GrArea ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrArea (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
void *pixels,
int pixtype);</PRE
></TD
></TR
></TABLE
><P
>Draws the specified pixel array of the specified size and format onto the
specified drawable using the specified graphics context at the specified
position. Note that colour conversion is currently only performed when using
the GR_PF_RGB format, which is an unsigned long containing RGBX data.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the area onto</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the area</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the area at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the area at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>width</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the width of the area</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>height</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the height of the area</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>pixels</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to an array containing the pixel data</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>pixtype</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the format of the pixel data</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1649"
></A
><H3
><A
NAME="GRCOPYAREA"
></A
>GrCopyArea ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrCopyArea (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> srcid,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> srcx,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> srcy,
int op);</PRE
></TD
></TR
></TABLE
><P
>Copies the specified area of the specified size between the specified
drawables at the specified positions using the specified graphics context
and ROP codes. 0 is a sensible default ROP code in most cases.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to copy the area to</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when copying the area</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to copy the area to within the destination drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to copy the area to within the destination drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>width</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the width of the area to copy</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>height</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the height of the area to copy</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>srcid</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to copy the area from</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>srcx</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to copy the area from within the source drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>srcy</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to copy the area from within the source drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>op</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ROP codes to pass to the blitter when performing the copy</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1709"
></A
><H3
><A
NAME="GRBITMAP"
></A
>GrBitmap ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrBitmap (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
<GTKDOCLINK
HREF="GR-BITMAP-CAPS"
>GR_BITMAP</GTKDOCLINK
> *imagebits);</PRE
></TD
></TR
></TABLE
><P
>Draws the monochrome bitmap data provided in the bitmaptable argument
at the specified position on the specified drawable using the specified
graphics context. Note that the bitmap data should be an array of aligned
16 bit words. The usebackground flag in the graphics context specifies
whether to draw the background colour wherever a bit value is zero.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the bitmap onto</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the bitmap</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the bitmap at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the bitmap at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>width</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the width of the bitmap</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>height</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the height of the bitmap</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>imagebits</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> </TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1755"
></A
><H3
><A
NAME="GRFREEIMAGE"
></A
>GrFreeImage ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrFreeImage (<GTKDOCLINK
HREF="GR-IMAGE-ID-CAPS"
>GR_IMAGE_ID</GTKDOCLINK
> id);</PRE
></TD
></TR
></TABLE
><P
>Destroys the specified image buffer and reclaims the memory used by it.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> ID of the image buffer to free</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1771"
></A
><H3
><A
NAME="GRGETIMAGEINFO"
></A
>GrGetImageInfo ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrGetImageInfo (<GTKDOCLINK
HREF="GR-IMAGE-ID-CAPS"
>GR_IMAGE_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-IMAGE-INFO-CAPS"
>GR_IMAGE_INFO</GTKDOCLINK
> *iip);</PRE
></TD
></TR
></TABLE
><P
>Fills in the specified image information structure with the details of the
specified image buffer.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> ID of an image buffer</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>iip</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to a GR_IMAGE_INFO structure</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1792"
></A
><H3
><A
NAME="GRDRAWIMAGEFROMFILE"
></A
>GrDrawImageFromFile ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrDrawImageFromFile (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
char *path,
int flags);</PRE
></TD
></TR
></TABLE
><P
>Loads the specified image file and draws it at the specified position
on the specified drawable using the specified graphics context. The
width and height values specify the size of the image to draw- if the
actual image is a different size, it will be scaled to fit. The image type
is automatically detected using the magic numbers in the image header (ie.
the filename extension is irrelevant). The currently supported image types
include GIF, JPEG, Windows BMP, PNG, XPM, and both ascii and binary
variants of PBM, PGM, and PPM. However the image types supported by a
particular server depend on which image types were enabled in the server
configuration at build time.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the image onto</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the image</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the image at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the image at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>width</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the maximum image width</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>height</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the maximum image height</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>path</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> string containing the filename of the image to load</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>flags</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> flags specific to the particular image loader</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1841"
></A
><H3
><A
NAME="GRLOADIMAGEFROMFILE"
></A
>GrLoadImageFromFile ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
><GTKDOCLINK
HREF="GR-IMAGE-ID-CAPS"
>GR_IMAGE_ID</GTKDOCLINK
> GrLoadImageFromFile (char *path,
int flags);</PRE
></TD
></TR
></TABLE
><P
>Loads the specified image file into a newly created server image buffer
and returns the ID of the buffer. The image type is automatically detected
using the magic numbers in the image header (ie. the filename extension is
irrelevant). The currently supported image types include GIF, JPEG, Windows
BMP, PNG, XPM, and both ascii and binary variants of PBM, PGM, and PPM.
However the image types supported by a particular server depend on which
image types were enabled in the server configuration at build time.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>path</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> string containing the filename of the image to load</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>flags</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> flags specific to the particular image loader</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><I
CLASS="EMPHASIS"
>Returns</I
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> ID of the image buffer the image was loaded into</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1865"
></A
><H3
><A
NAME="GRDRAWIMAGETOFIT"
></A
>GrDrawImageToFit ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrDrawImageToFit (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> width,
<GTKDOCLINK
HREF="GR-SIZE-CAPS"
>GR_SIZE</GTKDOCLINK
> height,
<GTKDOCLINK
HREF="GR-IMAGE-ID-CAPS"
>GR_IMAGE_ID</GTKDOCLINK
> imageid);</PRE
></TD
></TR
></TABLE
><P
>Draws the image from the specified image buffer at the specified position
on the specified drawable using the specified graphics context. The
width and height values specify the size of the image to draw- if the
actual image is a different size, it will be scaled to fit.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the image onto</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the image</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the image at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the image at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>width</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the maximum image width</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>height</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the maximum image height</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>imageid</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the image buffer containing the image to display</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1911"
></A
><H3
><A
NAME="GRDRAWIMAGEBITS"
></A
>GrDrawImageBits ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrDrawImageBits (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
<GTKDOCLINK
HREF="GR-IMAGE-HDR-CAPS"
>GR_IMAGE_HDR</GTKDOCLINK
> *pimage);</PRE
></TD
></TR
></TABLE
><P
>Draws the image contained in the specified image structure onto the
specified drawable at the specified coordinates using the specified
graphics context.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the image onto</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the image</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the image at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the image at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>pimage</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> pointer to the image structure</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
><HR><DIV
CLASS="REFSECT2"
><A
NAME="AEN1947"
></A
><H3
><A
NAME="GRTEXT"
></A
>GrText ()</H3
><TABLE
BORDER="0"
BGCOLOR="#D6E8FF"
WIDTH="100%"
CELLPADDING="6"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>void GrText (<GTKDOCLINK
HREF="GR-DRAW-ID-CAPS"
>GR_DRAW_ID</GTKDOCLINK
> id,
<GTKDOCLINK
HREF="GR-GC-ID-CAPS"
>GR_GC_ID</GTKDOCLINK
> gc,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> x,
<GTKDOCLINK
HREF="GR-COORD-CAPS"
>GR_COORD</GTKDOCLINK
> y,
void *str,
<GTKDOCLINK
HREF="GR-COUNT-CAPS"
>GR_COUNT</GTKDOCLINK
> count,
int flags);</PRE
></TD
></TR
></TABLE
><P
>Draws the specified text string at the specified position on the specified
drawable using the specified graphics context and flags. The default flags
specify ASCII encoding and baseline alignment.</P
><P
></P
><DIV
CLASS="INFORMALTABLE"
><P
></P
><TABLE
BORDER="0"
WIDTH="100%"
BGCOLOR="#FFD0D0"
CELLSPACING="0"
CELLPADDING="4"
CLASS="CALSTABLE"
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>id</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the drawable to draw the text string onto</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>gc</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the ID of the graphics context to use when drawing the text string</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>x</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the X coordinate to draw the string at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>y</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the Y coordinate to draw the string at relative to the drawable</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>str</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the text string to draw</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>count</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> the number of characters (not bytes) in the string</TD
></TR
><TR
><TD
WIDTH="20%"
ALIGN="RIGHT"
VALIGN="TOP"
><TT
CLASS="PARAMETER"
><I
>flags</I
></TT
> :</TD
><TD
WIDTH="80%"
ALIGN="LEFT"
VALIGN="TOP"
> flags specifying text encoding, alignment, etc.</TD
></TR
></TABLE
><P
></P
></DIV
></DIV
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