search for: buffereddc

...849, was opened at 2007-11-22 21:21 You can respond by visiting: http://rubyforge.org/tracker/?func=detail&atid=218&aid=15849&group_id=35 Category: Missing API call Group: current Status: Open Resolution: None Priority: 3 Submitted By: Nobody (None) Assigned to: Nobody (None) Summary: BufferedDC not exposed in Windows? Initial Comment: Windows XP SP2 Ruby 1.8.6-25 wxRuby gem 1.9.2 (i386-mswin32) Call to Wx::BufferedDC.new fails - _buffer_dc = Wx::BufferedDC.new(_client_dc, @buffer) returns "uninitialized constant Wxruby2::BufferedDC (NameError)" which seems to contradic...

OK, I have a basic blit demo working (thanks to Alex Fenton for his reply, which I finally saw). However, there''s a great deal of "tearing" on the screen - flickering grey lines in the black background. It looks like the blit isn''t always complete when the screen refreshes. Can anyone look at this and tell me what I might be doing wrong? Any help would be most

...if event.left_is_down() and @drawing </span><del>- if $BUFFERED - # If doing buffered drawing, create the buffered DC, giving it - # it a real DC to blit to when done. - cdc = Wx::ClientDC.new(self) - dc = Wx::BufferedDC.new(cdc, @buffer) - else - dc = Wx::ClientDC.new(self) - end </del><ins>+# if $BUFFERED +# # If doing buffered drawing, create the buffered DC, giving it +# # it a real DC to blit to when done. +#...

...n class="cx"> # it a real DC to blit to when done. </span><span class="cx"> cdc = Wx::ClientDC.new(self) </span><del>- prepare_dc(cdc) </del><span class="cx"> dc = Wx::BufferedDC.new(cdc, @buffer) </span><span class="cx"> else </span><span class="cx"> dc = Wx::ClientDC.new(self) </span><del>- prepare_dc(dc) </del><span class="cx"> end </spa...

...ffered). Window#is_double_buffered + + Boolean *is_double_buffered*() + +Returns if the window contents is double-buffered by the system, i.e. if +any drawing done on the window is really done on a temporary backing surface +and transferred to the screen all at once later. + +h4. See also + +"BufferedDC":buffereddc.html + + </ins><span class="cx"> h3(#Window_isenabled). Window#is_enabled </span><span class="cx"> </span><span class="cx"> Boolean *is_enabled*() </span><span class="lines">@@ -1357,6 +1482,1...