doc/reference/clutter/html/ClutterBrightnessContrastEffect.html

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  24 <a href="#ClutterBrightnessContrastEffect.synopsis" class="shortcut">Top</a>
  25                    |
  26                   <a href="#ClutterBrightnessContrastEffect.description" class="shortcut">Description</a>
  27                    |
  28                   <a href="#ClutterBrightnessContrastEffect.object-hierarchy" class="shortcut">Object Hierarchy</a>
  29                    |
  30                   <a href="#ClutterBrightnessContrastEffect.properties" class="shortcut">Properties</a>
  31 </td></tr>
  32 </table>
  33 <div class="refentry">
  34 <a name="ClutterBrightnessContrastEffect"></a><div class="titlepage"></div>
  35 <div class="refnamediv"><table width="100%"><tr>
  36 <td valign="top">
  37 <h2><span class="refentrytitle"><a name="ClutterBrightnessContrastEffect.top_of_page"></a>ClutterBrightnessContrastEffect</span></h2>
  38 <p>ClutterBrightnessContrastEffect — Increase/decrease brightness and/or contrast of actor.</p>
  39 </td>
  40 <td valign="top" align="right"></td>
  41 </tr></table></div>
  42 <div class="refsynopsisdiv">
  43 <a name="ClutterBrightnessContrastEffect.synopsis"></a><h2>Synopsis</h2>
  44 <pre class="synopsis">                    <a class="link" href="ClutterBrightnessContrastEffect.html#ClutterBrightnessContrastEffect-struct" title="ClutterBrightnessContrastEffect">ClutterBrightnessContrastEffect</a>;
  45 <a class="link" href="ClutterEffect.html" title="ClutterEffect"><span class="returnvalue">ClutterEffect</span></a> *     <a class="link" href="ClutterBrightnessContrastEffect.html#clutter-brightness-contrast-effect-new" title="clutter_brightness_contrast_effect_new ()">clutter_brightness_contrast_effect_new</a>
  46                                                         (<em class="parameter"><code><span class="type">void</span></code></em>);
  47 <span class="returnvalue">void</span>                <a class="link" href="ClutterBrightnessContrastEffect.html#clutter-brightness-contrast-effect-set-brightness" title="clutter_brightness_contrast_effect_set_brightness ()">clutter_brightness_contrast_effect_set_brightness</a>
  48                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
  49                                                          <em class="parameter"><code><span class="type">float</span> brightness</code></em>);
  50 <span class="returnvalue">void</span>                <a class="link" href="ClutterBrightnessContrastEffect.html#clutter-brightness-contrast-effect-set-brightness-full" title="clutter_brightness_contrast_effect_set_brightness_full ()">clutter_brightness_contrast_effect_set_brightness_full</a>
  51                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
  52                                                          <em class="parameter"><code><span class="type">float</span> red</code></em>,
  53                                                          <em class="parameter"><code><span class="type">float</span> green</code></em>,
  54                                                          <em class="parameter"><code><span class="type">float</span> blue</code></em>);
  55 <span class="returnvalue">void</span>                <a class="link" href="ClutterBrightnessContrastEffect.html#clutter-brightness-contrast-effect-get-brightness" title="clutter_brightness_contrast_effect_get_brightness ()">clutter_brightness_contrast_effect_get_brightness</a>
  56                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
  57                                                          <em class="parameter"><code><span class="type">float</span> *red</code></em>,
  58                                                          <em class="parameter"><code><span class="type">float</span> *green</code></em>,
  59                                                          <em class="parameter"><code><span class="type">float</span> *blue</code></em>);
  60 <span class="returnvalue">void</span>                <a class="link" href="ClutterBrightnessContrastEffect.html#clutter-brightness-contrast-effect-set-contrast" title="clutter_brightness_contrast_effect_set_contrast ()">clutter_brightness_contrast_effect_set_contrast</a>
  61                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
  62                                                          <em class="parameter"><code><span class="type">float</span> contrast</code></em>);
  63 <span class="returnvalue">void</span>                <a class="link" href="ClutterBrightnessContrastEffect.html#clutter-brightness-contrast-effect-set-contrast-full" title="clutter_brightness_contrast_effect_set_contrast_full ()">clutter_brightness_contrast_effect_set_contrast_full</a>
  64                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
  65                                                          <em class="parameter"><code><span class="type">float</span> red</code></em>,
  66                                                          <em class="parameter"><code><span class="type">float</span> green</code></em>,
  67                                                          <em class="parameter"><code><span class="type">float</span> blue</code></em>);
  68 <span class="returnvalue">void</span>                <a class="link" href="ClutterBrightnessContrastEffect.html#clutter-brightness-contrast-effect-get-contrast" title="clutter_brightness_contrast_effect_get_contrast ()">clutter_brightness_contrast_effect_get_contrast</a>
  69                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
  70                                                          <em class="parameter"><code><span class="type">float</span> *red</code></em>,
  71                                                          <em class="parameter"><code><span class="type">float</span> *green</code></em>,
  72                                                          <em class="parameter"><code><span class="type">float</span> *blue</code></em>);
  73 </pre>
  74 </div>
  75 <div class="refsect1">
  76 <a name="ClutterBrightnessContrastEffect.object-hierarchy"></a><h2>Object Hierarchy</h2>
  77 <pre class="synopsis">
  78   <a href="../gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
  79    +----<a href="../gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
  80          +----<a class="link" href="ClutterActorMeta.html" title="ClutterActorMeta">ClutterActorMeta</a>
  81                +----<a class="link" href="ClutterEffect.html" title="ClutterEffect">ClutterEffect</a>
  82                      +----<a class="link" href="ClutterOffscreenEffect.html" title="ClutterOffscreenEffect">ClutterOffscreenEffect</a>
  83                            +----ClutterBrightnessContrastEffect
  84 </pre>
  85 </div>
  86 <div class="refsect1">
  87 <a name="ClutterBrightnessContrastEffect.properties"></a><h2>Properties</h2>
  88 <pre class="synopsis">
  89   "<a class="link" href="ClutterBrightnessContrastEffect.html#ClutterBrightnessContrastEffect--brightness" title='The "brightness" property'>brightness</a>"               <a class="link" href="clutter-Colors.html#ClutterColor" title="ClutterColor"><span class="type">ClutterColor</span></a>*         : Read / Write
  90   "<a class="link" href="ClutterBrightnessContrastEffect.html#ClutterBrightnessContrastEffect--contrast" title='The "contrast" property'>contrast</a>"                 <a class="link" href="clutter-Colors.html#ClutterColor" title="ClutterColor"><span class="type">ClutterColor</span></a>*         : Read / Write
  91 </pre>
  92 </div>
  93 <div class="refsect1">
  94 <a name="ClutterBrightnessContrastEffect.description"></a><h2>Description</h2>
  95 <p>
  96 <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> is a sub-class of <a class="link" href="ClutterEffect.html" title="ClutterEffect"><span class="type">ClutterEffect</span></a> that
  97 changes the overall brightness of a <a class="link" href="ClutterActor.html" title="ClutterActor"><span class="type">ClutterActor</span></a>.
  98 </p>
  99 <p>
 100 <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> is available since Clutter 1.10
 101 </p>
 102 </div>
 103 <div class="refsect1">
 104 <a name="ClutterBrightnessContrastEffect.details"></a><h2>Details</h2>
 105 <div class="refsect2">
 106 <a name="ClutterBrightnessContrastEffect-struct"></a><h3>ClutterBrightnessContrastEffect</h3>
 107 <pre class="programlisting">typedef struct _ClutterBrightnessContrastEffect ClutterBrightnessContrastEffect;</pre>
 108 <p>
 109 <span class="structname">ClutterBrightnessContrastEffect</span> is an opaque structure
 110 whose members cannot be directly accessed
 111 </p>
 112 <p class="since">Since 1.10</p>
 113 </div>
 114 <hr>
 115 <div class="refsect2">
 116 <a name="clutter-brightness-contrast-effect-new"></a><h3>clutter_brightness_contrast_effect_new ()</h3>
 117 <pre class="programlisting"><a class="link" href="ClutterEffect.html" title="ClutterEffect"><span class="returnvalue">ClutterEffect</span></a> *     clutter_brightness_contrast_effect_new
 118                                                         (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 119 <p>
 120 Creates a new <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> to be used with
 121 <a class="link" href="ClutterActor.html#clutter-actor-add-effect" title="clutter_actor_add_effect ()"><code class="function">clutter_actor_add_effect()</code></a>
 122 </p>
 123 <div class="variablelist"><table border="0">
 124 <col align="left" valign="top">
 125 <tbody><tr>
 126 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
 127 <td>the newly created
 128 <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> or <a href="/home/ebassi/gnome3/install/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"><code class="literal">NULL</code></a>.  Use <a href="../gobject/gobject-The-Base-Object-Type.html#g-object-unref"><code class="function">g_object_unref()</code></a> when
 129 done. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
 130 </td>
 131 </tr></tbody>
 132 </table></div>
 133 <p class="since">Since 1.10</p>
 134 </div>
 135 <hr>
 136 <div class="refsect2">
 137 <a name="clutter-brightness-contrast-effect-set-brightness"></a><h3>clutter_brightness_contrast_effect_set_brightness ()</h3>
 138 <pre class="programlisting"><span class="returnvalue">void</span>                clutter_brightness_contrast_effect_set_brightness
 139                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
 140                                                          <em class="parameter"><code><span class="type">float</span> brightness</code></em>);</pre>
 141 <p>
 142 The range of <em class="parameter"><code>brightness</code></em> is [-1.0, 1.0], where 0.0 designates no change;
 143 a value below 0.0 indicates a decrease in brightness; and a value
 144 above 0.0 indicates an increase of brightness.
 145 </p>
 146 <div class="variablelist"><table border="0">
 147 <col align="left" valign="top">
 148 <tbody>
 149 <tr>
 150 <td><p><span class="term"><em class="parameter"><code>effect</code></em> :</span></p></td>
 151 <td>a <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a>
 152 </td>
 153 </tr>
 154 <tr>
 155 <td><p><span class="term"><em class="parameter"><code>brightness</code></em> :</span></p></td>
 156 <td>the brightness change for all three components (r, g, b)</td>
 157 </tr>
 158 </tbody>
 159 </table></div>
 160 <p class="since">Since 1.10</p>
 161 </div>
 162 <hr>
 163 <div class="refsect2">
 164 <a name="clutter-brightness-contrast-effect-set-brightness-full"></a><h3>clutter_brightness_contrast_effect_set_brightness_full ()</h3>
 165 <pre class="programlisting"><span class="returnvalue">void</span>                clutter_brightness_contrast_effect_set_brightness_full
 166                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
 167                                                          <em class="parameter"><code><span class="type">float</span> red</code></em>,
 168                                                          <em class="parameter"><code><span class="type">float</span> green</code></em>,
 169                                                          <em class="parameter"><code><span class="type">float</span> blue</code></em>);</pre>
 170 <p>
 171 The range for each component is [-1.0, 1.0] where 0.0 designates no change,
 172 values below 0.0 mean a decrease in brightness, and values above indicate
 173 an increase.
 174 </p>
 175 <div class="variablelist"><table border="0">
 176 <col align="left" valign="top">
 177 <tbody>
 178 <tr>
 179 <td><p><span class="term"><em class="parameter"><code>effect</code></em> :</span></p></td>
 180 <td>a <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a>
 181 </td>
 182 </tr>
 183 <tr>
 184 <td><p><span class="term"><em class="parameter"><code>red</code></em> :</span></p></td>
 185 <td>red component of the change in brightness</td>
 186 </tr>
 187 <tr>
 188 <td><p><span class="term"><em class="parameter"><code>green</code></em> :</span></p></td>
 189 <td>green component of the change in brightness</td>
 190 </tr>
 191 <tr>
 192 <td><p><span class="term"><em class="parameter"><code>blue</code></em> :</span></p></td>
 193 <td>blue component of the change in brightness</td>
 194 </tr>
 195 </tbody>
 196 </table></div>
 197 <p class="since">Since 1.10</p>
 198 </div>
 199 <hr>
 200 <div class="refsect2">
 201 <a name="clutter-brightness-contrast-effect-get-brightness"></a><h3>clutter_brightness_contrast_effect_get_brightness ()</h3>
 202 <pre class="programlisting"><span class="returnvalue">void</span>                clutter_brightness_contrast_effect_get_brightness
 203                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
 204                                                          <em class="parameter"><code><span class="type">float</span> *red</code></em>,
 205                                                          <em class="parameter"><code><span class="type">float</span> *green</code></em>,
 206                                                          <em class="parameter"><code><span class="type">float</span> *blue</code></em>);</pre>
 207 <p>
 208 Retrieves the change in brightness used by <em class="parameter"><code>effect</code></em>.
 209 </p>
 210 <div class="variablelist"><table border="0">
 211 <col align="left" valign="top">
 212 <tbody>
 213 <tr>
 214 <td><p><span class="term"><em class="parameter"><code>effect</code></em> :</span></p></td>
 215 <td>a <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a>
 216 </td>
 217 </tr>
 218 <tr>
 219 <td><p><span class="term"><em class="parameter"><code>red</code></em> :</span></p></td>
 220 <td>return location for red component of the
 221 change in brightness. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
 222 </td>
 223 </tr>
 224 <tr>
 225 <td><p><span class="term"><em class="parameter"><code>green</code></em> :</span></p></td>
 226 <td>return location for green component of the
 227 change in brightness. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
 228 </td>
 229 </tr>
 230 <tr>
 231 <td><p><span class="term"><em class="parameter"><code>blue</code></em> :</span></p></td>
 232 <td>return location for blue component of the
 233 change in brightness. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
 234 </td>
 235 </tr>
 236 </tbody>
 237 </table></div>
 238 <p class="since">Since 1.10</p>
 239 </div>
 240 <hr>
 241 <div class="refsect2">
 242 <a name="clutter-brightness-contrast-effect-set-contrast"></a><h3>clutter_brightness_contrast_effect_set_contrast ()</h3>
 243 <pre class="programlisting"><span class="returnvalue">void</span>                clutter_brightness_contrast_effect_set_contrast
 244                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
 245                                                          <em class="parameter"><code><span class="type">float</span> contrast</code></em>);</pre>
 246 <p>
 247 The range for <em class="parameter"><code>contrast</code></em> is [-1.0, 1.0], where 0.0 designates no change;
 248 a value below 0.0 indicates a decrease in contrast; and a value above
 249 0.0 indicates an increase.
 250 </p>
 251 <div class="variablelist"><table border="0">
 252 <col align="left" valign="top">
 253 <tbody>
 254 <tr>
 255 <td><p><span class="term"><em class="parameter"><code>effect</code></em> :</span></p></td>
 256 <td>a <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a>
 257 </td>
 258 </tr>
 259 <tr>
 260 <td><p><span class="term"><em class="parameter"><code>contrast</code></em> :</span></p></td>
 261 <td>contrast change for all three channels</td>
 262 </tr>
 263 </tbody>
 264 </table></div>
 265 <p class="since">Since 1.10</p>
 266 </div>
 267 <hr>
 268 <div class="refsect2">
 269 <a name="clutter-brightness-contrast-effect-set-contrast-full"></a><h3>clutter_brightness_contrast_effect_set_contrast_full ()</h3>
 270 <pre class="programlisting"><span class="returnvalue">void</span>                clutter_brightness_contrast_effect_set_contrast_full
 271                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
 272                                                          <em class="parameter"><code><span class="type">float</span> red</code></em>,
 273                                                          <em class="parameter"><code><span class="type">float</span> green</code></em>,
 274                                                          <em class="parameter"><code><span class="type">float</span> blue</code></em>);</pre>
 275 <p>
 276 The range for each component is [-1.0, 1.0] where 0.0 designates no change,
 277 values below 0.0 mean a decrease in contrast, and values above indicate
 278 an increase.
 279 </p>
 280 <div class="variablelist"><table border="0">
 281 <col align="left" valign="top">
 282 <tbody>
 283 <tr>
 284 <td><p><span class="term"><em class="parameter"><code>effect</code></em> :</span></p></td>
 285 <td>a <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a>
 286 </td>
 287 </tr>
 288 <tr>
 289 <td><p><span class="term"><em class="parameter"><code>red</code></em> :</span></p></td>
 290 <td>red component of the change in contrast</td>
 291 </tr>
 292 <tr>
 293 <td><p><span class="term"><em class="parameter"><code>green</code></em> :</span></p></td>
 294 <td>green component of the change in contrast</td>
 295 </tr>
 296 <tr>
 297 <td><p><span class="term"><em class="parameter"><code>blue</code></em> :</span></p></td>
 298 <td>blue component of the change in contrast</td>
 299 </tr>
 300 </tbody>
 301 </table></div>
 302 <p class="since">Since 1.10</p>
 303 </div>
 304 <hr>
 305 <div class="refsect2">
 306 <a name="clutter-brightness-contrast-effect-get-contrast"></a><h3>clutter_brightness_contrast_effect_get_contrast ()</h3>
 307 <pre class="programlisting"><span class="returnvalue">void</span>                clutter_brightness_contrast_effect_get_contrast
 308                                                         (<em class="parameter"><code><a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a> *effect</code></em>,
 309                                                          <em class="parameter"><code><span class="type">float</span> *red</code></em>,
 310                                                          <em class="parameter"><code><span class="type">float</span> *green</code></em>,
 311                                                          <em class="parameter"><code><span class="type">float</span> *blue</code></em>);</pre>
 312 <p>
 313 Retrieves the contrast value used by <em class="parameter"><code>effect</code></em>.
 314 </p>
 315 <div class="variablelist"><table border="0">
 316 <col align="left" valign="top">
 317 <tbody>
 318 <tr>
 319 <td><p><span class="term"><em class="parameter"><code>effect</code></em> :</span></p></td>
 320 <td>a <a class="link" href="ClutterBrightnessContrastEffect.html" title="ClutterBrightnessContrastEffect"><span class="type">ClutterBrightnessContrastEffect</span></a>
 321 </td>
 322 </tr>
 323 <tr>
 324 <td><p><span class="term"><em class="parameter"><code>red</code></em> :</span></p></td>
 325 <td>return location for red component of the
 326 change in contrast. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
 327 </td>
 328 </tr>
 329 <tr>
 330 <td><p><span class="term"><em class="parameter"><code>green</code></em> :</span></p></td>
 331 <td>return location for green component of the
 332 change in contrast. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
 333 </td>
 334 </tr>
 335 <tr>
 336 <td><p><span class="term"><em class="parameter"><code>blue</code></em> :</span></p></td>
 337 <td>return location for blue component of the
 338 change in contrast. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
 339 </td>
 340 </tr>
 341 </tbody>
 342 </table></div>
 343 <p class="since">Since 1.10</p>
 344 </div>
 345 </div>
 346 <div class="refsect1">
 347 <a name="ClutterBrightnessContrastEffect.property-details"></a><h2>Property Details</h2>
 348 <div class="refsect2">
 349 <a name="ClutterBrightnessContrastEffect--brightness"></a><h3>The <code class="literal">"brightness"</code> property</h3>
 350 <pre class="programlisting">  "brightness"               <a class="link" href="clutter-Colors.html#ClutterColor" title="ClutterColor"><span class="type">ClutterColor</span></a>*         : Read / Write</pre>
 351 <p>
 352 The brightness change to apply to the effect.
 353 </p>
 354 <p>
 355 This property uses a <a class="link" href="clutter-Colors.html#ClutterColor" title="ClutterColor"><span class="type">ClutterColor</span></a> to represent the changes to each
 356 color channel. The range is [ 0, 255 ], with 127 as the value used
 357 to indicate no change; values smaller than 127 indicate a decrease
 358 in brightness, and values larger than 127 indicate an increase in
 359 brightness.
 360 </p>
 361 <p class="since">Since 1.10</p>
 362 </div>
 363 <hr>
 364 <div class="refsect2">
 365 <a name="ClutterBrightnessContrastEffect--contrast"></a><h3>The <code class="literal">"contrast"</code> property</h3>
 366 <pre class="programlisting">  "contrast"                 <a class="link" href="clutter-Colors.html#ClutterColor" title="ClutterColor"><span class="type">ClutterColor</span></a>*         : Read / Write</pre>
 367 <p>
 368 The contrast change to apply to the effect.
 369 </p>
 370 <p>
 371 This property uses a <a class="link" href="clutter-Colors.html#ClutterColor" title="ClutterColor"><span class="type">ClutterColor</span></a> to represent the changes to each
 372 color channel. The range is [ 0, 255 ], with 127 as the value used
 373 to indicate no change; values smaller than 127 indicate a decrease
 374 in contrast, and values larger than 127 indicate an increase in
 375 contrast.
 376 </p>
 377 <p class="since">Since 1.10</p>
 378 </div>
 379 </div>
 380 <div class="refsect1">
 381 <a name="ClutterBrightnessContrastEffect.see-also"></a><h2>See Also</h2>
 382 <a class="link" href="ClutterEffect.html" title="ClutterEffect"><span class="type">ClutterEffect</span></a>, <a class="link" href="ClutterOffscreenEffect.html" title="ClutterOffscreenEffect"><span class="type">ClutterOffscreenEffect</span></a>
 383 </div>
 384 </div>
 385 <div class="footer">
 386 <hr>
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