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Flushing the Cairo context is necessary on Windows to make Cairo
drawings appear on the device (screen). This new method makes it easy
for user code to do this correctly after using Cairo drawings.
- add Fl::cairo_flush(cairo_t *)
- document Fl::cairo_flush(cairo_t *)
- reformat Cairo doxygen docs and code (partially)
- use the new method in Fl_Cairo_Window
- use the new method in test/cairo_test.cxx
- other minor (text) changes in test/cairo_test.cxx
- add test/cairo_test to the demo menu (test/demo.menu)
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The Cairo context 'cc' should be used directly rather than calling
'Fl::cairo_cc()' again.
Sorry for the noise.
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On the Windows platform Cairo drawings must be flushed explicitly.
This is done in Fl_Cairo_Window after calling the draw callback but
it was neither done nor documented in test/cairo_test.cxx when using
another type of Window with its overloaded draw() method, i.e. when
FLTK was configured with --enable-cairoext or CMake OPTION_CAIROEXT.
Note: user code must either explicitly flush the Cairo drawings as
done here or destroy the Cairo context which is not done in this demo
because the Cairo context should be kept alive.
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No code changes.
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- remove separate libfltk_cairo to avoid cyclic dependencies, but
- keep a dummy libfltk_cairo in 1.4.0 for backwards compatibility
- move cairo/Fl_Cairo.cxx to src/Fl_Cairo.cxx
- add preliminary Cairo support for Visual Studio (MSVC)
Static linking is not affected by this change, but users building
with hand-made Makefiles will have to remove libfltk_cairo starting
with FLTK 1.4.0. The dummy library can be linked for backwards
compatibility but it will be removed later (in 1.4.x or 1.5.0).
The shared FLTK library libfltk.{so|dylib|dll|..} depends on libcairo
if and only if FLTK is built with one of the Cairo options. This has
always been the case for OPTION_CAIROEXT but is now also true if only
OPTION_CAIRO is selected, i.e. FLTK programs linked with a Cairo
enabled shared FLTK library will also be linked with libcairo. The same
is true for configure options --enable-cairo and --enable-cairoext,
respectively.
Preliminary Cairo support for MSVC now detects a Cairo installation
using the CMake variable FLTK_CAIRO_DIR which must be set by the user.
Note that this feature is temporary and may be changed in the future
for a better and more comfortable version.
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and also add more detailed documentation of platform-specific behaviors.
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Add FL_EXPORT to some classes to make building shared libs possible.
Building shared libs and 'fluid-shared' missed global symbols.
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CMake only: replace wrong variable names with correct ones. Affected
were all image libraries (jpeg, png) and zlib.
These variables had been renamed in an earlier commit when lots of
CMake code had been rewritten.
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Refactor the internal class HV_Edit_Buffer by deriving it from the
the recently extended Fl_String class.
The class HV_Edit_Buffer still needs some "special" methods but the
code could be simplified substantially.
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... to make them accessible to the help_dialog test if built with CMake.
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- add true unittest and Fl_String testing
- interface and printout are similar to gtest
without requiring external linkage.
just run `unittest --core`.
- new Fl_String API
- extended API to fl_input_str and fl_password_str
- co-authored-by: Albrecht Schlosser <albrechts.fltk@online.de>
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Also, remove Doxygen warning from file bundled-libs.dox
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... and fix a typo.
This warning was reported for gcc 12.2 (MinGW-w64 / MSYS2) but may have
appeared in earlier gcc versions (gcc 9.4 is not affected).
It's very likely that this warning needs '-O2' or '-O3' to be issued.
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The fix for compiler warning [-Wmaybe-uninitialized] had been fixed
in commit 2b400f6abcbd26377b298deb5ee6f7d0166cdfd6 but accidentally
reverted in commit 39eba133de302f393cc2dabfa5c1d933239cd1ce.
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Compiling Fl_Native_File_Chooser_WIN32.cxx...
fl_dnd_win32.cxx:436:11: warning: private field 'm_EnumF' is not used [-Wunused-private-field]
FLEnum *m_EnumF;
^
1 warning generated.
Fl_Native_File_Chooser_WIN32.cxx:378:19: warning: use of bitwise '|' with boolean operands [-Wbitwise-instead-of-logical]
bool unixpath = IsUnixPath(_directory) | IsUnixPath(_preset_file); // caller uses unix paths?
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
||
Fl_Native_File_Chooser_WIN32.cxx:378:19: note: cast one or both operands to int to silence this warning
1 warning generated.
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