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Doxygen: more detailed descriptions of Fl_Image_Surface::offscreen() and Fl_Image_Surface::get_offscreen_before_delete().

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12142 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy
2016-12-09 18:07:08 +00:00
parent 40f977ccce
commit c33df704ab
1 changed files with 6 additions and 2 deletions
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src/Fl_Image_Surface.cxx
+6 -2
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@@ -63,7 +63,9 @@ void Fl_Image_Surface::untranslate() {
if (platform_surface) platform_surface->untranslate();
}
/** Returns the Fl_Offscreen object associated to the image surface */
/** Returns the Fl_Offscreen object associated to the image surface.
The returned Fl_Offscreen object is deleted when the Fl_Image_Surface object is deleted.
*/
Fl_Offscreen Fl_Image_Surface::offscreen() {
return platform_surface ? platform_surface->offscreen : (Fl_Offscreen)0;
}
@@ -93,7 +95,8 @@ Fl_Shared_Image* Fl_Image_Surface::highres_image()
return s_img;
}
/** Allows to delete the Fl_Image_Surface object while keeping its underlying Fl_Offscreen
/** Allows to delete the Fl_Image_Surface object while keeping its underlying Fl_Offscreen.
This member function is intended for internal use by the FLTK library.
*/
Fl_Offscreen Fl_Image_Surface::get_offscreen_before_delete() {
Fl_Offscreen keep = platform_surface->offscreen;
@@ -135,6 +138,7 @@ Fl_Offscreen fl_create_offscreen(int w, int h) {
/** Deletion of an offscreen graphics buffer.
\param ctx the buffer to be deleted.
\note The \p ctx argument must have been created by fl_create_offscreen().
*/
void fl_delete_offscreen(Fl_Offscreen ctx) {
if (!ctx) return;