Enlightenment CVS committal
Author : xcomputerman
Project : e17
Module : libs/ecore
Dir : e17/libs/ecore/src/lib/ecore_x
Modified Files:
ecore_x_window_prop.c
Log Message:
Slight change to opacity API:
- Use a 0 - 255 range instead, keeping consistent with 8-bit RGBA
conventions
- Clip supplied value if not in bounds
===================================================================
RCS file: /cvsroot/enlightenment/e17/libs/ecore/src/lib/ecore_x/ecore_x_window_prop.c,v
retrieving revision 1.19
retrieving revision 1.20
diff -u -3 -r1.19 -r1.20
--- ecore_x_window_prop.c 6 Jan 2004 16:45:31 -0000 1.19
+++ ecore_x_window_prop.c 9 Jan 2004 08:38:39 -0000 1.20
@@ -1088,7 +1088,7 @@
* This only has an effect if the Composite extension is present and
* a compositing manager is running. This hint is still pending approval
* as part of the EWMH specification. The value supplied should be an
- * integer between 0 and 100, with 100 representing full opacity.
+ * integer between 0 and 255, with 255 representing full opacity.
* <hr><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
*/
void ecore_x_window_prop_window_opacity_set(Ecore_X_Window win, int opacity)
@@ -1096,7 +1096,12 @@
unsigned long o_val;
double tmp;
- tmp = (double) opacity/100. * 4294967295.;
+ if (opacity < 0)
+ opacity = 0;
+ else if (opacity > 255)
+ opacity = 255;
+
+ tmp = (double) opacity/255. * 4294967295.;
o_val = (unsigned long) tmp;
ecore_x_window_prop_property_set(win, _ecore_x_atom_net_wm_window_opacity,
XA_CARDINAL, 32, &o_val, 1);
@@ -1105,7 +1110,7 @@
/**
* Get the current opacity value of the window
* @param win The window whose opacity is being requested
- * @return An int between 0 and 100 representing the window's opacity value,
+ * @return An int between 0 and 255 representing the window's opacity value,
* or -1 if the property is not found.
* <hr><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
*/
@@ -1122,7 +1127,7 @@
if (data && num)
{
lval = *(unsigned long *) data;
- ret_val = (int) ((double) lval / 4294967295. * 100.);
+ ret_val = (int) ((double) lval / 4294967295. * 255.);
}
}
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