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authorMichael R Sweet <michael.r.sweet@gmail.com>2001-11-26 18:56:26 +0000
committerMichael R Sweet <michael.r.sweet@gmail.com>2001-11-26 18:56:26 +0000
commit85f98758eeaad3094e5397fb89b68264b8092ad3 (patch)
treed93d24ed616627850cea7b4bcc72275aadc2191d /src
parenteba128dcc01aae25f688a05683436ab4d508aef6 (diff)
Add note about using RENDER extension in the future for proper alpha
rendering. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1732 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'src')
-rw-r--r--src/Fl_Image.cxx12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/Fl_Image.cxx b/src/Fl_Image.cxx
index ef16ad802..8e227200b 100644
--- a/src/Fl_Image.cxx
+++ b/src/Fl_Image.cxx
@@ -1,5 +1,5 @@
//
-// "$Id: Fl_Image.cxx,v 1.5.2.3.2.9 2001/11/25 16:38:11 easysw Exp $"
+// "$Id: Fl_Image.cxx,v 1.5.2.3.2.10 2001/11/26 18:56:26 easysw Exp $"
//
// Image drawing code for the Fast Light Tool Kit (FLTK).
//
@@ -298,7 +298,13 @@ void Fl_RGB_Image::draw(int XP, int YP, int WP, int HP, int cx, int cy) {
};
// Right now do a "screen door" alpha mask; not always pretty, but
- // definitely fast...
+ // definitely fast... In the future we should look at supporting
+ // the RENDER extension in XFree86, when available, to provide
+ // true RGBA-blended rendering. See:
+ //
+ // http://www.xfree86.org/~keithp/render/protocol.html
+ //
+ // for more info...
memset(bitmap, 0, bmw * h());
for (dataptr = array + d() - 1, y = 0; y < h(); y ++, dataptr += ld())
@@ -358,5 +364,5 @@ void Fl_RGB_Image::label(Fl_Menu_Item* m) {
//
-// End of "$Id: Fl_Image.cxx,v 1.5.2.3.2.9 2001/11/25 16:38:11 easysw Exp $".
+// End of "$Id: Fl_Image.cxx,v 1.5.2.3.2.10 2001/11/26 18:56:26 easysw Exp $".
//