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//
// Support for using Cairo to draw into X11 windows for the Fast Light Tool Kit (FLTK).
//
// Copyright 2022 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
/* \file
Implementation of class Fl_Display_Cairo_Graphics_Driver .
*/
#include "Fl_Display_Cairo_Graphics_Driver.H"
#include <FL/platform.H>
#include <cairo/cairo.h>
#include <pango/pangocairo.h>
#include <stdlib.h>
void *Fl_Display_Cairo_Graphics_Driver::gc_ = NULL;
GC fl_gc;
ulong fl_xpixel(uchar r,uchar g,uchar b) {
return 0;
}
ulong fl_xpixel(Fl_Color i) {
return 0;
}
void Fl_Display_Cairo_Graphics_Driver::scale(float f) {
Fl_Graphics_Driver::scale(f);
if (cairo_) {
cairo_restore(cairo_);
cairo_save(cairo_);
cairo_scale(cairo_, f, f);
cairo_translate(cairo_, 0.5, 0.5);
}
}
void Fl_Display_Cairo_Graphics_Driver::copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy) {
XCopyArea(fl_display, pixmap, fl_window, (GC)Fl_Graphics_Driver::default_driver().gc(), int(srcx*scale()), int(srcy*scale()), int(w*scale()), int(h*scale()), int(x*scale()), int(y*scale()));
}
void Fl_Display_Cairo_Graphics_Driver::gc(void *value) {
gc_ = value;
fl_gc = (GC)gc_;
}
void *Fl_Display_Cairo_Graphics_Driver::gc() {
return gc_;
}
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