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Implement Fl_Quartz_Copy_Surface_Driver::draw_decorated_window()

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The window title is copied in vectorial form when the titlebar is layer-backed.
This commit is contained in:
ManoloFLTK 2019-05-22 21:33:02 +02:00
parent 277cee73b0
commit b2c027fa83
4 changed files with 29 additions and 0 deletions
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2
FL/Fl_Copy_Surface.H
View File

@ -64,6 +64,7 @@ public:
void origin(int *x, int *y);
void origin(int x, int y);
int printable_rect(int *w, int *h);
virtual void draw_decorated_window(Fl_Window *win, int x_offset, int y_offset);
};
@ -91,6 +92,7 @@ protected:
virtual void set_current() = 0;
virtual void translate(int x, int y) = 0;
virtual void untranslate() = 0;
virtual void draw_decorated_window(Fl_Window *win, int x_offset, int y_offset);
int printable_rect(int *w, int *h);
/** Each platform implements this function its own way.
It returns an object implementing all virtual functions

9
src/Fl_Copy_Surface.cxx
View File

@ -63,6 +63,10 @@ int Fl_Copy_Surface::printable_rect(int *w, int *h) {
return 1;
}
void Fl_Copy_Surface::draw_decorated_window(Fl_Window *win, int x_offset, int y_offset) {
if (platform_surface) platform_surface->draw_decorated_window(win, x_offset, y_offset);
}
/**
\cond DriverDev
\addtogroup DriverDeveloper
@ -72,6 +76,11 @@ int Fl_Copy_Surface_Driver::printable_rect(int *w, int *h) {
*w = width; *h = height;
return 0;
}
void Fl_Copy_Surface_Driver::draw_decorated_window(Fl_Window *win, int x_offset, int y_offset) {
Fl_Widget_Surface::draw_decorated_window(win, x_offset, y_offset);
}
/**
\}
\endcond

1
src/drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.H
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@ -37,6 +37,7 @@ protected:
void set_current();
void translate(int x, int y);
void untranslate();
virtual void draw_decorated_window(Fl_Window *win, int x_offset, int y_offset);
};
#endif /* Fl_Quartz_Copy_Surface_Driver_H */

17
src/drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.cxx
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@ -23,6 +23,7 @@
#include <FL/platform.H>
#include "Fl_Quartz_Graphics_Driver.H"
#include "Fl_Quartz_Copy_Surface_Driver.H"
#include "../Cocoa/Fl_Cocoa_Window_Driver.H"
/**
\cond DriverDev
@ -98,6 +99,22 @@ void Fl_Quartz_Copy_Surface_Driver::untranslate() {
CGContextRestoreGState(gc);
}
void Fl_Quartz_Copy_Surface_Driver::draw_decorated_window(Fl_Window *win, int x_offset, int y_offset) {
CALayer *layer = Fl_Cocoa_Window_Driver::driver(win)->get_titlebar_layer();
if (!layer) {
return Fl_Widget_Surface::draw_decorated_window(win, x_offset, y_offset);
}
CGContextRef gc = (CGContextRef)driver()->gc();
CGContextSaveGState(gc);
int bt = win->decorated_h() - win->h();
CGContextTranslateCTM(gc, x_offset - 0.5, y_offset + bt - 0.5);
float s = Fl::screen_scale(win->screen_num());
CGContextScaleCTM(gc, 1/s, s >= 1 ? -1/s : -1);
Fl_Cocoa_Window_Driver::draw_layer_to_context(layer, gc, win->w() * s, bt);
CGContextRestoreGState(gc);
draw(win, x_offset, y_offset + bt); // print the window inner part
}
#endif // FL_CFG_GFX_QUARTZ
//