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path: root/src/drivers/GDI/Fl_GDI_Graphics_Driver.H
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2017-06-27WIN32 platform: more progress for full HiDPI supportManolo Gouy
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12273 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2017-06-18Advancing HiDPI support for the WIN32 platform - still incomplete.Manolo Gouy
It's still necessary to compile with -DFLTK_HIDPI_SUPPORT to activate the new HiDPI support. Default builds get the same HiDPI support as in FLTK 1.3 git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12265 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2017-05-22Fix warnings: 'Fl_Xlib_Graphics_Driver::scale' hides overloaded virtual ↵Manolo Gouy
function [-Woverloaded-virtual] git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12242 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2017-05-17Introduce HiDPI + rescaling support for the X11 platform (+ partial support ↵Manolo Gouy
for WIN32) Corresponds to STR #3320 1) HiDPI support consists in detecting the adequate scaling factor for the screen on which FLTK maps a window, and scaling all FLTK units by this factor. FLTK tries to detect the correct value of this factor at startup (see more details below). Environment variable FLTK_SCALING_FACTOR can also be used to set this value. 2) Rescaling support consists in changing the scaling factor of all FLTK windows in reply to ctrl/+/-/0/ keystrokes. More details for the various platforms : - X11: Support is very advanced. Some details need still to be improved. Automatic detection of the correct starting value of the scaling factor works well with the gnome desktop. The present code contains no support for this on other desktops. FLTK_SCALING_FACTOR provides a workaround. -WIN32: Support is incomplete at this point, although many test applications have partial or complete HiDPI and scaling support. The current value of the system's scaling factor is correctly detected at application startup. Apps respond to changes of this value in real time. Support needs to define the FLTK_HIDPI_SUPPORT preprocessor variable at compile time. This way, standard builds produce a code with the default WIN32 HiDPI support, that is, where all graphics goes to an internal buffer that gets enlarged by the system and then mapped to the HiDPI display. To experiment with (or develop) the new HiDPI support requires a modified build procedure in which FLTK_HIDPI_SUPPORT is defined at compile time. When the support will be complete, the requirement for the definition of this preprocessor variable will be removed. The present commit contains support for a single scaling factor. Eventually, per-screen scaling factors should be implemented, as done for X11. - MacOS: this commit does not give new HiDPI for this platform. Eventually, window rescaling in reply to command/+/-/0/ is desirable. Per-screen scaling factor makes no sense on this platform because the OS itself takes care of the difference between the resolutions of traditional and retina displays. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12239 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2017-05-06De-duplicate code to load pointer to the TransparentBlt() system function at ↵Manolo Gouy
run-time. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12234 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2017-04-25Remove Fl_Translated_GDI_Graphics_Driver and have its functions performed by ↵Manolo Gouy
Fl_GDI_Graphics_Driver. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12227 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-10-22WIN platform: implement Fl_GDI_Graphics_Driver::draw_scaled(Fl_Image ↵Manolo Gouy
*img,int,int,int,int) when img is a Fl_RGB_Image Implementation uses StretchBlt() when img->d() is 1 or 3 and AlphaBlend() when it is 2 or 4. This should turn useful to draw images on HighDPI displays using the display's true resolution. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12053 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-10-06 Correct function Fl_GDI_Graphics_Driver::gc(void*) that did not update the ↵Manolo Gouy
global variable fl_gc correctly. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@12017 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-09-23Move font-related member functions from Fl_Screen_Driver to Fl_Graphics_Driver.Manolo Gouy
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11968 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-04-17virtualized some Region calls.Matthias Melcher
There is a deeper issue here: regions should be handled by the graphics driver that is associated with the Fl_Window of this widget... . git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11643 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-04-17virtualized Fl::set_color and free_color.Matthias Melcher
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11642 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-04-17virtualized Fl_Graphics_Driver::global_gc(), a function that should probably ↵Matthias Melcher
not exeist. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11641 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-04-17virtualizes fl_set_spot and fl_reset_spotMatthias Melcher
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11640 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-03-26Isolate the definition of the 3 public, OS-dependent types (Fl_Offscreen, ↵Manolo Gouy
Fl_Region, Fl_Bitmask). git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11432 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2016-02-26Rename remaining src/drivers/XXX.h to XXX.H - continuedManolo Gouy
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11227 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
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