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<a href="#libgimpwidgets-GimpCairoUtils.description" class="shortcut">Description</a></nobr></td></tr>
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<a name="libgimpwidgets-GimpCairoUtils"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2><span class="refentrytitle"><a name="libgimpwidgets-GimpCairoUtils.top_of_page"></a>gimpcairo-utils</span></h2>
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<p>gimpcairo-utils</p>
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</td>
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<td valign="top" align="right"></td>
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</tr></table></div>
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<div class="refsynopsisdiv">
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<a name="libgimpwidgets-GimpCairoUtils.synopsis"></a><h2>Synopsis</h2>
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<pre class="synopsis">
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void <a class="link" href="libgimpwidgets-GimpCairoUtils.html#gimp-cairo-set-source-rgb" title="gimp_cairo_set_source_rgb ()">gimp_cairo_set_source_rgb</a> (<a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"
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>cairo_t</a> *cr,
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const <a
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href="../libgimpcolor/libgimpcolor-GimpRGB.html#GimpRGB"
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>GimpRGB</a> *color);
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void <a class="link" href="libgimpwidgets-GimpCairoUtils.html#gimp-cairo-set-source-rgba" title="gimp_cairo_set_source_rgba ()">gimp_cairo_set_source_rgba</a> (<a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"
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>cairo_t</a> *cr,
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const <a
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href="../libgimpcolor/libgimpcolor-GimpRGB.html#GimpRGB"
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>GimpRGB</a> *color);
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
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>gboolean</a> <a class="link" href="libgimpwidgets-GimpCairoUtils.html#gimp-cairo-set-focus-line-pattern" title="gimp_cairo_set_focus_line_pattern ()">gimp_cairo_set_focus_line_pattern</a> (<a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"
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>cairo_t</a> *cr,
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<a
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href="/usr/share/gtk-doc/html/gtk/GtkWidget.html"
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>GtkWidget</a> *widget);
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<a
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href="/usr/share/gtk-doc/html/cairo/cairo-Patterns.html#cairo-pattern-t"
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>cairo_pattern_t</a>* <a class="link" href="libgimpwidgets-GimpCairoUtils.html#gimp-cairo-checkerboard-create" title="gimp_cairo_checkerboard_create ()">gimp_cairo_checkerboard_create</a> (<a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"
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>cairo_t</a> *cr,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> size,
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const <a
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href="../libgimpcolor/libgimpcolor-GimpRGB.html#GimpRGB"
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>GimpRGB</a> *light,
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const <a
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href="../libgimpcolor/libgimpcolor-GimpRGB.html#GimpRGB"
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>GimpRGB</a> *dark);
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<a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-surface-t.html#cairo-surface-t"
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>cairo_surface_t</a>* <a class="link" href="libgimpwidgets-GimpCairoUtils.html#gimp-cairo-surface-create-from-pixbuf" title="gimp_cairo_surface_create_from_pixbuf ()">gimp_cairo_surface_create_from_pixbuf</a>
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(<a
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href="/usr/share/gtk-doc/html/gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a> *pixbuf);
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#define <a class="link" href="libgimpwidgets-GimpCairoUtils.html#GIMP-CAIRO-RGB24-SET-PIXEL:CAPS" title="GIMP_CAIRO_RGB24_SET_PIXEL()">GIMP_CAIRO_RGB24_SET_PIXEL</a> (d, r, g, b)
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#define <a class="link" href="libgimpwidgets-GimpCairoUtils.html#GIMP-CAIRO-ARGB32-SET-PIXEL:CAPS" title="GIMP_CAIRO_ARGB32_SET_PIXEL()">GIMP_CAIRO_ARGB32_SET_PIXEL</a> (d, r, g, b, a)
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</pre>
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</div>
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<div class="refsect1" lang="en">
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<a name="libgimpwidgets-GimpCairoUtils.description"></a><h2>Description</h2>
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<p>
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="libgimpwidgets-GimpCairoUtils.details"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="gimp-cairo-set-source-rgb"></a><h3>gimp_cairo_set_source_rgb ()</h3>
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<pre class="programlisting">void gimp_cairo_set_source_rgb (<a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"
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>cairo_t</a> *cr,
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const <a
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href="../libgimpcolor/libgimpcolor-GimpRGB.html#GimpRGB"
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>GimpRGB</a> *color);</pre>
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<p>
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Sets the source pattern within <em class="parameter"><code>cr</code></em> to the solid opaque color
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described by <em class="parameter"><code>color</code></em>.
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</p>
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<p>
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This function calls <a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-set-source-rgb"
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><code class="function">cairo_set_source_rgb()</code></a> for you.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>cr</code></em> :</span></p></td>
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<td> Cairo context
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>color</code></em> :</span></p></td>
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<td> GimpRGB color
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</td>
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</tr>
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</tbody>
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</table></div>
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<p class="since">Since GIMP 2.6
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="gimp-cairo-set-source-rgba"></a><h3>gimp_cairo_set_source_rgba ()</h3>
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<pre class="programlisting">void gimp_cairo_set_source_rgba (<a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"
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>cairo_t</a> *cr,
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const <a
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href="../libgimpcolor/libgimpcolor-GimpRGB.html#GimpRGB"
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>GimpRGB</a> *color);</pre>
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<p>
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Sets the source pattern within <em class="parameter"><code>cr</code></em> to the solid translucent color
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described by <em class="parameter"><code>color</code></em>.
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</p>
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<p>
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This function calls <a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-set-source-rgba"
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><code class="function">cairo_set_source_rgba()</code></a> for you.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>cr</code></em> :</span></p></td>
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<td> Cairo context
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>color</code></em> :</span></p></td>
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<td> GimpRGB color
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</td>
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</tr>
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</tbody>
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</table></div>
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<p class="since">Since GIMP 2.6
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="gimp-cairo-set-focus-line-pattern"></a><h3>gimp_cairo_set_focus_line_pattern ()</h3>
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<pre class="programlisting"><a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
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>gboolean</a> gimp_cairo_set_focus_line_pattern (<a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"
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>cairo_t</a> *cr,
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<a
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href="/usr/share/gtk-doc/html/gtk/GtkWidget.html"
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>GtkWidget</a> *widget);</pre>
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<p>
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Sets color and dash pattern for stroking a focus line on the given
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<em class="parameter"><code>cr</code></em>. The line pattern is taken from <em class="parameter"><code>widget</code></em>.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>cr</code></em> :</span></p></td>
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<td> Cairo context
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>widget</code></em> :</span></p></td>
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<td> widget to draw the focus indicator on
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td> <a
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href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"
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><code class="literal">TRUE</code></a> if the widget style has a focus line pattern,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"
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><code class="literal">FALSE</code></a> otherwise
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</td>
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</tr>
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</tbody>
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</table></div>
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<p class="since">Since GIMP 2.6
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="gimp-cairo-checkerboard-create"></a><h3>gimp_cairo_checkerboard_create ()</h3>
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<pre class="programlisting"><a
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href="/usr/share/gtk-doc/html/cairo/cairo-Patterns.html#cairo-pattern-t"
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>cairo_pattern_t</a>* gimp_cairo_checkerboard_create (<a
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href="/usr/share/gtk-doc/html/cairo/cairo-cairo-t.html#cairo-t"
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>cairo_t</a> *cr,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> size,
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const <a
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href="../libgimpcolor/libgimpcolor-GimpRGB.html#GimpRGB"
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>GimpRGB</a> *light,
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const <a
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href="../libgimpcolor/libgimpcolor-GimpRGB.html#GimpRGB"
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>GimpRGB</a> *dark);</pre>
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<p>
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Create a repeating checkerboard pattern.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>cr</code></em> :</span></p></td>
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<td> Cairo context
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
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<td> check size
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>light</code></em> :</span></p></td>
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<td> light check color or <a
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href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
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><code class="literal">NULL</code></a> to use the default light gray
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>dark</code></em> :</span></p></td>
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<td> dark check color or <a
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href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"
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><code class="literal">NULL</code></a> to use the default dark gray
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td> a new Cairo pattern that can be used as a source on <em class="parameter"><code>cr</code></em>.
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</td>
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</tr>
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</tbody>
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</table></div>
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<p class="since">Since GIMP 2.6
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</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="gimp-cairo-surface-create-from-pixbuf"></a><h3>gimp_cairo_surface_create_from_pixbuf ()</h3>
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<pre class="programlisting"><a
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||
href="/usr/share/gtk-doc/html/cairo/cairo-cairo-surface-t.html#cairo-surface-t"
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>cairo_surface_t</a>* gimp_cairo_surface_create_from_pixbuf
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(<a
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href="/usr/share/gtk-doc/html/gdk-pixbuf/gdk-pixbuf-gdk-pixbuf.html#GdkPixbuf"
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>GdkPixbuf</a> *pixbuf);</pre>
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<p>
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||
Create a Cairo image surface from a GdkPixbuf.
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</p>
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<p>
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You should avoid calling this function as there are probably more
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efficient ways of achieving the result you are looking for.</p>
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<p>
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
|
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<td><p><span class="term"><em class="parameter"><code>pixbuf</code></em> :</span></p></td>
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<td> a GdkPixbuf
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td>
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||
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</td>
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</tr>
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||
</tbody>
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||
</table></div>
|
||
<p class="since">Since GIMP 2.6
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||
</p>
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</div>
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||
<hr>
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<div class="refsect2" lang="en">
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<a name="GIMP-CAIRO-RGB24-SET-PIXEL:CAPS"></a><h3>GIMP_CAIRO_RGB24_SET_PIXEL()</h3>
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<pre class="programlisting">#define GIMP_CAIRO_RGB24_SET_PIXEL(d, r, g, b)</pre>
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<p>
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Sets a single pixel in an Cairo image surface in <a
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||
href="/usr/share/gtk-doc/html/cairo/cairo-Image-Surfaces.html#CAIRO-FORMAT-RGB24:CAPS"
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||
><code class="literal">CAIRO_FORMAT_RGB24</code></a>.</p>
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<p>
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</p>
|
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<div class="variablelist"><table border="0">
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||
<col align="left" valign="top">
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<tbody>
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<tr>
|
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<td><p><span class="term"><em class="parameter"><code>d</code></em> :</span></p></td>
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<td> pointer to the destination buffer
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>r</code></em> :</span></p></td>
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<td> red component
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>g</code></em> :</span></p></td>
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<td> green component
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>b</code></em> :</span></p></td>
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<td> blue component
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</td>
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</tr>
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</tbody>
|
||
</table></div>
|
||
<p class="since">Since GIMP 2.6
|
||
</p>
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</div>
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<hr>
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<div class="refsect2" lang="en">
|
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<a name="GIMP-CAIRO-ARGB32-SET-PIXEL:CAPS"></a><h3>GIMP_CAIRO_ARGB32_SET_PIXEL()</h3>
|
||
<pre class="programlisting">#define GIMP_CAIRO_ARGB32_SET_PIXEL(d, r, g, b, a)</pre>
|
||
<p>
|
||
Sets a single pixel in an Cairo image surface in <a
|
||
href="/usr/share/gtk-doc/html/cairo/cairo-Image-Surfaces.html#CAIRO-FORMAT-ARGB32:CAPS"
|
||
><code class="literal">CAIRO_FORMAT_ARGB32</code></a>.</p>
|
||
<p>
|
||
|
||
</p>
|
||
<div class="variablelist"><table border="0">
|
||
<col align="left" valign="top">
|
||
<tbody>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>d</code></em> :</span></p></td>
|
||
<td> pointer to the destination buffer
|
||
</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>r</code></em> :</span></p></td>
|
||
<td> red component, not pre-multiplied
|
||
</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>g</code></em> :</span></p></td>
|
||
<td> green component, not pre-multiplied
|
||
</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>b</code></em> :</span></p></td>
|
||
<td> blue component, not pre-multiplied
|
||
</td>
|
||
</tr>
|
||
<tr>
|
||
<td><p><span class="term"><em class="parameter"><code>a</code></em> :</span></p></td>
|
||
<td> alpha component
|
||
</td>
|
||
</tr>
|
||
</tbody>
|
||
</table></div>
|
||
<p class="since">Since GIMP 2.6
|
||
</p>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
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|
||
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