isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2024-12-25 04:22:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge remote branch 'elliot/cookbook-opacity-values-fix'

Browse Source 
* elliot/cookbook-opacity-values-fix:
  cookbook: Fix opacity examples in recipe
  cookbook: Fix incorrect value for opacity
This commit is contained in:
Emmanuele Bassi 2010-11-15 15:41:46 +00:00
commit f3295a3f36
2 changed files with 14 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
doc/cookbook/actors.xml
View File

@ -276,10 +276,10 @@ on_paint (ClutterActor *actor)
<informalexample> <informalexample>
<programlisting> <programlisting>
/* 25% transparency */ /* 25% transparency */
clutter_actor_set_opacity (actor, 191.25); clutter_actor_set_opacity (actor, 191);
/* 50% transparency */ /* 50% transparency */
clutter_actor_set_opacity (actor, 122.5); clutter_actor_set_opacity (actor, 122);
/* completely transparent */ /* completely transparent */
clutter_actor_set_opacity (actor, 0); clutter_actor_set_opacity (actor, 0);
@ -325,13 +325,13 @@ clutter_actor_set_opacity (actor, 0);
<para>top-left: <code>255</code> (0% transparency)</para> <para>top-left: <code>255</code> (0% transparency)</para>
</listitem> </listitem>
<listitem> <listitem>
<para>top-right: <code>191.25</code> (25% transparency)</para> <para>top-right: <code>191</code> (25% transparency)</para>
</listitem> </listitem>
<listitem> <listitem>
<para>bottom-right: <code>122.5</code> (50% transparency)</para> <para>bottom-right: <code>122</code> (50% transparency)</para>
</listitem> </listitem>
<listitem> <listitem>
<para>bottom-left: <code>61.25</code> (75% transparency)</para> <para>bottom-left: <code>61</code> (75% transparency)</para>
</listitem> </listitem>
</itemizedlist> </itemizedlist>
@ -350,10 +350,10 @@ clutter_actor_set_opacity (actor, 0);
<para>If a container has its opacity set, any children of the <para>If a container has its opacity set, any children of the
container have their opacity combined with their parent's opacity. container have their opacity combined with their parent's opacity.
For example, if a parent has an opacity of <code>122.5</code> For example, if a parent has an opacity of <code>122</code>
(50% transparent) and the child also has an opacity of (50% transparent) and the child also has an opacity of
<code>122.5</code>, the child's <emphasis>effective</emphasis> <code>122</code>, the child's <emphasis>effective</emphasis>
opacity is 25% (<code>opacity = 61.25</code>, and it is opacity is 25% (<code>opacity = 61</code>, and it is
75% transparent).</para> 75% transparent).</para>
<para>To demonstrate the visual effect of this, here are <para>To demonstrate the visual effect of this, here are
@ -382,14 +382,14 @@ clutter_actor_set_opacity (actor, 0);
<listitem> <listitem>
<para>The middle rectangle has <code>opacity = 255</code> <para>The middle rectangle has <code>opacity = 255</code>
and is in a <type>ClutterGroup</type> with and is in a <type>ClutterGroup</type> with
<code>opacity = 122.5</code>. Notice that the parent opacity <code>opacity = 122</code>. Notice that the parent opacity
makes the rectangle appear darker, as the stage colour is showing makes the rectangle appear darker, as the stage colour is showing
through from behind.</para> through from behind.</para>
</listitem> </listitem>
<listitem> <listitem>
<para>The right-hand rectangle has <code>opacity = 122.5</code> <para>The right-hand rectangle has <code>opacity = 122</code>
and is in a <type>ClutterGroup</type> with and is in a <type>ClutterGroup</type> with
<code>opacity = 122.5</code>. Notice that the rectangle appears <code>opacity = 122</code>. Notice that the rectangle appears
to be even darker, as the stage colour is showing to be even darker, as the stage colour is showing
through both the rectangle and its parent.</para> through both the rectangle and its parent.</para>
</listitem> </listitem>
@ -405,12 +405,12 @@ clutter_actor_set_opacity (actor, 0);
<programlisting> <programlisting>
<![CDATA[ <![CDATA[
/* color with 50% transparency */ /* color with 50% transparency */
ClutterColor half_transparent_color = { 255, 0, 0, 122.5 }; ClutterColor half_transparent_color = { 255, 0, 0, 122 };
ClutterRectangle *actor = clutter_rectangle_new (); ClutterRectangle *actor = clutter_rectangle_new ();
/* set actor's transparency to 50% */ /* set actor's transparency to 50% */
clutter_actor_set_opacity (actor, 122.5); clutter_actor_set_opacity (actor, 122);
/* rectangle will be 25% opaque/75% transparent */ /* rectangle will be 25% opaque/75% transparent */
clutter_rectangle_set_color (CLUTTER_RECTANGLE (actor), clutter_rectangle_set_color (CLUTTER_RECTANGLE (actor),

2
doc/cookbook/examples/events-pointer-motion-stacked.c
View File

@ -75,7 +75,7 @@ main (int argc, char *argv[])
clutter_actor_set_size (r3, 150, 150); clutter_actor_set_size (r3, 150, 150);
clutter_actor_add_constraint (r3, clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.75)); clutter_actor_add_constraint (r3, clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.75));
clutter_actor_add_constraint (r3, clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.75)); clutter_actor_add_constraint (r3, clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.75));
clutter_actor_set_opacity (r3, 125.5); clutter_actor_set_opacity (r3, 125);
clutter_actor_set_name (r3, "blue"); clutter_actor_set_name (r3, "blue");
clutter_container_add (CLUTTER_CONTAINER (stage), r1, r2, r3, NULL); clutter_container_add (CLUTTER_CONTAINER (stage), r1, r2, r3, NULL);