On the X11/MSWindows platforms, this requires external installation of the GLEW library.
This fixes STR#3198 and STR#3257.
Added two new examples programs.
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when an ARGB system image is converted to the RGBA format.
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2) improved window creation in iconized state (child windows still don't show in icon, though).
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The -[NSWindow makeKeyAndOrderFront:] message used to make the window appear on the screen,
but, starting with 10.10 (approximately), this changed, and it became necessary to query for events
for a new window to appear on the screen. With 10.11 two event messages are needed.
The solution is therefore to implement Fl_Window::wait_for_expose().
- Calling NSDisableScreenUpdates()()/NSEnableScreenUpdates() before and after window updates
greatly accelerates multi-window update operations.
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from later OS versions.
Unfortunately, it does not work with Mac OS 10.3
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use different pasteboard data type names according to running OS.
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graphics context to draw to a window. This requires Mac OS 10.4.
The advantage is that it is possible for a secondary thread to call
Fl_Window::make_current() without needing to create an autorelease pool.
We save the native graphics state, and also the state with origin at top.
Fl_X::q_release_context() restores the graphics state twice to return to
the native state. This allows to use a single graphics context for a single
window and a single thread.
Under 10.3, we have to create a new NSGraphicsContext when Fl_Window::make_current()
is called directly, so that secondary threads cannot call Fl_Window::make_current() without
having created an autorelease pool.
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- do not use NSOpenGLPFAMultisample
- do not use -[NSBitmapImageRep bitmapFormat]
that require Mac OS 10.4
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- avoid double redraw after window deminiaturization
- make sure that a new window appears on screen during the Fl_X::make() call
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Screen captures produce ARGB data (instead of RGBA until 10.10)
so access to the raw image data takes now this into account.
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length or we may get buffer overflows the next time we copy something.
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Sadly, I have not commited any code in years, and despite the rumour that
I was hit by a train, or worse, move on to Qt, here I am, commmiting unwanted
code. Hopefully there are equivalents for this on other platforms?!
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all of the window title bar, when the program is linked with OS X 10.10.
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title bar buttons are drawn by the system instead of emulated by FLTK.
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All changes are mac-specific, except a very minor change in file src/gl_draw.cxx
where string drawing wrongly claimed to support @symbol, not possible
because symbols are drawn using non-GL primitives.
Unchanged application code can use the new FLTK code.
In addition, the new code allows mac applications to draw OpenGL scenes
at high resolution on so-called 'retina' displays, but this requires some
support from app code. They must call, before opening GL windows,
Fl::use_high_resolution(1);
and change their glViewport() calls as follows
glViewport(0, 0, pxel_w(), pixel_h());
This uses 2 new member functions of the Fl_Gl_Window class,
pixel_w() and pixel_h() returning the window dimensions in pixel
units, that is, twice the w() and h() when the window is mapped
on a retina display.
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With true subwindows, several members of Fl_X became useless.
This change recycle two of them for new uses:
- Fl_Region subRegion is used as a pointer to a CGRect
- Fl_X *xidChildren is used to indicate the resolution of the display
containing a window
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Case with high resolution parent window and low resolution GL window is now directly processed.
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because the windowDidMove notification is not always sent.
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The new field bool Fl_X::mapped_to_retina is updated when needed, that is, when the window is moved.
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On such displays, one drawing unit equals two pixels.
The fl_xyline() and fl_yxline() functions are modified to perform
extra operations when drawing to a window on a retina display.
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window is just another window with Mac OS as it was already with MSWindows and X11.
This requires Mac OS X 10.2. Window nesting to any depth is possible.
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Moreover, fl_read_image() behaves differently with and without OS virtualization for X11 and MSWindows.
The patched function reads whatever is in the rectangle transmitted in arguments, with and without GL data, with and without subwindows,
on ‘true’ OS or on virtualized OS.
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Create classes FLWindowDelegateBefore10_6 and FLViewBefore10_6 to support text input before Mac OS 10.6
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The editor demo had grey lines between text lines and its cursor left traces behind
when moved. The scroll demo left some faint lines behind also.
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See also discussion in fltk.coredev of Sept 07, 2014 and later
with subject "Fixing the nearest-neighbour scaling".
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