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Added a tgi_arc function. Removed the old ellipse code and create a new

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ellipse module that calls tgi_arc.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4446 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
2009-11-05 19:52:18 +00:00
parent 78070d8bfb
commit de6050f21d
5 changed files with 125 additions and 52 deletions
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38
doc/funcref.sgml
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@@ -505,6 +505,7 @@ It does not declare any functions.
<sect1><tt/tgi.h/<label id="tgi.h"><p>
<itemize>
<item><ref id="tgi_arc" name="tgi_arc">
<item><ref id="tgi_bar" name="tgi_bar">
<item><ref id="tgi_circle" name="tgi_circle">
<item><ref id="tgi_clear" name="tgi_clear">
@@ -4872,6 +4873,39 @@ be used in presence of a prototype.
</quote>
<sect1>tgi_arc<label id="tgi_arc"><p>
<quote>
<descrip>
<tag/Function/Draw an elliptic arc in the current color.
<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
<tag/Declaration/<tt/void __fastcall__ tgi_arc (int x, int y,
unsigned char rx, unsigned char ry, unsigned sa, unsigned ea);/
<tag/Description/The function draws an elliptic arc with center at x/y and
radii rx/ry using the current drawing color. The arc covers the angle
between sa and ea (startangle and endangle), which must be in the range
0..360.
<tag/Limits/<itemize>
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype.
<item>The function behaves unexpectedly or may crash if the angles are out
of range.
</itemize>
<tag/Availability/cc65
<tag/See also/
<ref id="tgi_bar" name="tgi_bar">,
<ref id="tgi_circle" name="tgi_circle">,
<ref id="tgi_ellipse" name="tgi_ellipse">,
<ref id="tgi_setcolor" name="tgi_setcolor">
<tag/Example/<verb>
/* Draw the upper half of an ellipse */
tgi_setcolor(TGI_COLOR_BLUE);
tgi_arc (50, 50, 40, 20, 0, 180);
</verb>
</descrip>
</quote>
<sect1>tgi_bar<label id="tgi_bar"><p>
<quote>
@@ -4910,6 +4944,7 @@ be used in presence of a prototype.
</itemize>
<tag/Availability/cc65
<tag/See also/
<ref id="tgi_arc" name="tgi_arc">,
<ref id="tgi_bar" name="tgi_bar">,
<ref id="tgi_ellipse" name="tgi_ellipse">,
<ref id="tgi_setcolor" name="tgi_setcolor">
@@ -4975,6 +5010,7 @@ be used in presence of a prototype.
</itemize>
<tag/Availability/cc65
<tag/See also/
<ref id="tgi_arc" name="tgi_arc">,
<ref id="tgi_bar" name="tgi_bar">,
<ref id="tgi_circle" name="tgi_circle">,
<ref id="tgi_setcolor" name="tgi_setcolor">
@@ -5042,7 +5078,7 @@ if (tgi_getcolorcount() == 2) {
<tag/Header/<tt/<ref id="tgi.h" name="tgi.h">/
<tag/Declaration/<tt/const unsigned char* __fastcall__ tgi_getdefpalette (void);/
<tag/Description/The tgi driver has a default palette that is active at startup.
The named colors TGI_COLOR_BLACK, TGI_COLOR_WHITE, TGI_COLOR_RED... need this
The named colors TGI_COLOR_BLACK, TGI_COLOR_WHITE, TGI_COLOR_RED... need this
palette to work correctly.
<tag/Limits/<itemize>
<item>The function is only available as fastcall function, so it may only