cairo.xml

按照官方的说法：Cairo is a vector graphics library with cross-device output support. 翻译过来

<listitem><simpara> use squared ending, the center of the square is the end point
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<refsect2>
<title><anchor id="cairo-set-line-cap" role="function"/>cairo_set_line_cap ()</title>
<indexterm><primary>cairo_set_line_cap</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_set_line_cap              (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="cairo-line-cap-t">cairo_line_cap_t</link> line_cap);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-get-line-cap" role="function"/>cairo_get_line_cap ()</title>
<indexterm><primary>cairo_get_line_cap</primary></indexterm><programlisting><link linkend="cairo-line-cap-t">cairo_line_cap_t</link> cairo_get_line_cap         (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-line-join-t" role="enum"/>enum cairo_line_join_t</title>
<indexterm><primary>cairo_line_join_t</primary></indexterm><programlisting>typedef enum _cairo_line_join {
    CAIRO_LINE_JOIN_MITER,
    CAIRO_LINE_JOIN_ROUND,
    CAIRO_LINE_JOIN_BEVEL
} cairo_line_join_t;
</programlisting>
<para>

</para></refsect2>
<refsect2>
<title><anchor id="cairo-set-line-join" role="function"/>cairo_set_line_join ()</title>
<indexterm><primary>cairo_set_line_join</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_set_line_join             (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="cairo-line-join-t">cairo_line_join_t</link> line_join);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-get-line-join" role="function"/>cairo_get_line_join ()</title>
<indexterm><primary>cairo_get_line_join</primary></indexterm><programlisting><link linkend="cairo-line-join-t">cairo_line_join_t</link> cairo_get_line_join       (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-set-line-width" role="function"/>cairo_set_line_width ()</title>
<indexterm><primary>cairo_set_line_width</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_set_line_width            (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="double">double</link> width);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-get-line-width" role="function"/>cairo_get_line_width ()</title>
<indexterm><primary>cairo_get_line_width</primary></indexterm><programlisting><link linkend="double">double</link>      cairo_get_line_width            (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-set-miter-limit" role="function"/>cairo_set_miter_limit ()</title>
<indexterm><primary>cairo_set_miter_limit</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_set_miter_limit           (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="double">double</link> limit);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-get-miter-limit" role="function"/>cairo_get_miter_limit ()</title>
<indexterm><primary>cairo_get_miter_limit</primary></indexterm><programlisting><link linkend="double">double</link>      cairo_get_miter_limit           (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-operator-t" role="enum"/>enum cairo_operator_t</title>
<indexterm><primary>cairo_operator_t</primary></indexterm><programlisting>typedef enum _cairo_operator {
    CAIRO_OPERATOR_CLEAR,

    CAIRO_OPERATOR_SOURCE,
    CAIRO_OPERATOR_OVER,
    CAIRO_OPERATOR_IN,
    CAIRO_OPERATOR_OUT,
    CAIRO_OPERATOR_ATOP,

    CAIRO_OPERATOR_DEST,
    CAIRO_OPERATOR_DEST_OVER,
    CAIRO_OPERATOR_DEST_IN,
    CAIRO_OPERATOR_DEST_OUT,
    CAIRO_OPERATOR_DEST_ATOP,

    CAIRO_OPERATOR_XOR,
    CAIRO_OPERATOR_ADD,
    CAIRO_OPERATOR_SATURATE
} cairo_operator_t;
</programlisting>
<para>

</para></refsect2>
<refsect2>
<title><anchor id="cairo-set-operator" role="function"/>cairo_set_operator ()</title>
<indexterm><primary>cairo_set_operator</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_set_operator              (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="cairo-operator-t">cairo_operator_t</link> op);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-get-operator" role="function"/>cairo_get_operator ()</title>
<indexterm><primary>cairo_get_operator</primary></indexterm><programlisting><link linkend="cairo-operator-t">cairo_operator_t</link> cairo_get_operator         (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-set-tolerance" role="function"/>cairo_set_tolerance ()</title>
<indexterm><primary>cairo_set_tolerance</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_set_tolerance             (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="double">double</link> tolerance);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-get-tolerance" role="function"/>cairo_get_tolerance ()</title>
<indexterm><primary>cairo_get_tolerance</primary></indexterm><programlisting><link linkend="double">double</link>      cairo_get_tolerance             (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-clip" role="function"/>cairo_clip ()</title>
<indexterm><primary>cairo_clip</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_clip                      (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-clip-preserve" role="function"/>cairo_clip_preserve ()</title>
<indexterm><primary>cairo_clip_preserve</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_clip_preserve             (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-reset-clip" role="function"/>cairo_reset_clip ()</title>
<indexterm><primary>cairo_reset_clip</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_reset_clip                (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-fill" role="function"/>cairo_fill ()</title>
<indexterm><primary>cairo_fill</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_fill                      (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-fill-preserve" role="function"/>cairo_fill_preserve ()</title>
<indexterm><primary>cairo_fill_preserve</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_fill_preserve             (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-fill-extents" role="function"/>cairo_fill_extents ()</title>
<indexterm><primary>cairo_fill_extents</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_fill_extents              (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="double">double</link> *x1,
                                             <link linkend="double">double</link> *y1,
                                             <link linkend="double">double</link> *x2,
                                             <link linkend="double">double</link> *y2);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-in-fill" role="function"/>cairo_in_fill ()</title>
<indexterm><primary>cairo_in_fill</primary></indexterm><programlisting><link linkend="cairo-bool-t">cairo_bool_t</link> cairo_in_fill                  (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="double">double</link> x,
                                             <link linkend="double">double</link> y);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-mask" role="function"/>cairo_mask ()</title>
<indexterm><primary>cairo_mask</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_mask                      (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="cairo-pattern-t">cairo_pattern_t</link> *pattern);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-mask-surface" role="function"/>cairo_mask_surface ()</title>
<indexterm><primary>cairo_mask_surface</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_mask_surface              (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="cairo-surface-t">cairo_surface_t</link> *surface,
                                             <link linkend="double">double</link> surface_x,
                                             <link linkend="double">double</link> surface_y);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-paint" role="function"/>cairo_paint ()</title>
<indexterm><primary>cairo_paint</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_paint                     (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-paint-with-alpha" role="function"/>cairo_paint_with_alpha ()</title>
<indexterm><primary>cairo_paint_with_alpha</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_paint_with_alpha          (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="double">double</link> alpha);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-stroke" role="function"/>cairo_stroke ()</title>
<indexterm><primary>cairo_stroke</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_stroke                    (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-stroke-preserve" role="function"/>cairo_stroke_preserve ()</title>
<indexterm><primary>cairo_stroke_preserve</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_stroke_preserve           (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-stroke-extents" role="function"/>cairo_stroke_extents ()</title>
<indexterm><primary>cairo_stroke_extents</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_stroke_extents            (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="double">double</link> *x1,
                                             <link linkend="double">double</link> *y1,
                                             <link linkend="double">double</link> *x2,
                                             <link linkend="double">double</link> *y2);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-in-stroke" role="function"/>cairo_in_stroke ()</title>
<indexterm><primary>cairo_in_stroke</primary></indexterm><programlisting><link linkend="cairo-bool-t">cairo_bool_t</link> cairo_in_stroke                (<link linkend="cairo-t">cairo_t</link> *cr,
                                             <link linkend="double">double</link> x,
                                             <link linkend="double">double</link> y);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-copy-page" role="function"/>cairo_copy_page ()</title>
<indexterm><primary>cairo_copy_page</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_copy_page                 (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>
<refsect2>
<title><anchor id="cairo-show-page" role="function"/>cairo_show_page ()</title>
<indexterm><primary>cairo_show_page</primary></indexterm><programlisting><link linkend="void">void</link>        cairo_show_page                 (<link linkend="cairo-t">cairo_t</link> *cr);</programlisting>
</refsect2>

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