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fix memory access bugs in flimage use.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3682 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Angus Leeming 2002-03-07 09:59:17 +00:00
parent ff8f704031
commit 1ce24386f2
2 changed files with 26 additions and 5 deletions
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7
src/frontends/xforms/ChangeLog
View File

@ -1,3 +1,10 @@
2002-03-07 Angus Leeming <a.leeming@ic.ac.uk>
* xformsGImage.C (statusCB, errorCB): close the file streams once the
image is loaded or if an error occurs.
(init_graphics): FLIMAGE_SETUP setup must be static as xforms stores
it permanently (and does not make a copy!).
2002-03-05 Angus Leeming <a.leeming@ic.ac.uk>
* xformsGImage.[Ch]: new files. An image loader based on xforms library

24
src/frontends/xforms/xformsGImage.C
View File

@ -308,8 +308,14 @@ void xformsGImage::statusCB(string const & status_message)
return;
if (prefixIs(status_message, "Done Reading")) {
on_finish_->emit(true);
on_finish_.reset();
if (image_) {
flimage_close(image_);
}
if (on_finish_.get()) {
on_finish_->emit(true);
on_finish_.reset();
}
}
}
@ -319,8 +325,14 @@ void xformsGImage::errorCB(string const & error_message)
if (error_message.empty() || !on_finish_.get())
return;
on_finish_->emit(false);
on_finish_.reset();
if (image_) {
flimage_close(image_);
}
if (on_finish_.get()) {
on_finish_->emit(false);
on_finish_.reset();
}
}
} // namespace grfx
@ -398,7 +410,9 @@ void init_graphics()
flimage_enable_xwd();
flimage_enable_xpm();
FLIMAGE_SETUP setup;
// xforms stores this permanently (does not make a copy) so
// this should never be destroyed.
static FLIMAGE_SETUP setup;
setup.visual_cue = status_report;
setup.error_message = error_report;
flimage_setup(&setup);