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bug in alpha value when setting new source

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This commit is contained in:
fluxgen 2003-04-26 12:44:24 +00:00
parent eb9b2363e3
commit 13a98385f0
1 changed files with 8 additions and 3 deletions
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11
src/FbTk/Transparent.cc
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@ -19,7 +19,7 @@
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: Transparent.cc,v 1.2 2003/04/20 14:47:35 fluxgen Exp $
// $Id: Transparent.cc,v 1.3 2003/04/26 12:44:24 fluxgen Exp $
#include "Transparent.hh"
#include "App.hh"
@ -173,7 +173,9 @@ void Transparent::setSource(Drawable source, int screen_num) {
#ifdef HAVE_XRENDER
if (m_source == source)
return;
// save old alpha value so we can recreate new later
// with the same value
unsigned char old_alpha = m_alpha;
if (m_alpha_pic != 0)
freeAlpha();
@ -185,7 +187,6 @@ void Transparent::setSource(Drawable source, int screen_num) {
}
m_source = source;
allocAlpha(m_alpha);
// create new source pic if we have a valid source drawable
if (m_source != 0) {
@ -198,6 +199,10 @@ void Transparent::setSource(Drawable source, int screen_num) {
m_src_pic = XRenderCreatePicture(disp, m_source, format,
0, 0);
}
// recreate new alpha
allocAlpha(old_alpha);
#endif // HAVE_XRENDER
}