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authorMatthias Melcher <fltk@matthiasm.com>2016-01-26 21:10:49 +0000
committerMatthias Melcher <fltk@matthiasm.com>2016-01-26 21:10:49 +0000
commit6694780c2d02d645f053fd60864c9ff035296a64 (patch)
treefd205fc40c3b1b0aa432bbc1bdbe2c78f3d1c60b /src/drivers/GDI/Fl_GDI_Graphics_Driver_arci.cxx
parentac275b89bcd8333dd1b05bfc9f6fc0accd8e065d (diff)
Moving GDI/WIN32 files to new directroy structure
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11058 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'src/drivers/GDI/Fl_GDI_Graphics_Driver_arci.cxx')
-rw-r--r--src/drivers/GDI/Fl_GDI_Graphics_Driver_arci.cxx64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/drivers/GDI/Fl_GDI_Graphics_Driver_arci.cxx b/src/drivers/GDI/Fl_GDI_Graphics_Driver_arci.cxx
new file mode 100644
index 000000000..9a16e14e8
--- /dev/null
+++ b/src/drivers/GDI/Fl_GDI_Graphics_Driver_arci.cxx
@@ -0,0 +1,64 @@
+//
+// "$Id$"
+//
+// Arc (integer) drawing functions for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2016 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:
+//
+// http://www.fltk.org/COPYING.php
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+#ifndef FL_CFG_GFX_GDI_ARCI_CXX
+#define FL_CFG_GFX_GDI_ARCI_CXX
+
+/**
+ \file gdi_arci.cxx
+ \brief Utility functions for drawing circles using integers
+*/
+
+#include "Fl_GDI_Graphics_Driver.h"
+
+#include <FL/math.h>
+
+void Fl_GDI_Graphics_Driver::arc(int x,int y,int w,int h,double a1,double a2) {
+ if (w <= 0 || h <= 0) return;
+ int xa = x+w/2+int(w*cos(a1/180.0*M_PI));
+ int ya = y+h/2-int(h*sin(a1/180.0*M_PI));
+ int xb = x+w/2+int(w*cos(a2/180.0*M_PI));
+ int yb = y+h/2-int(h*sin(a2/180.0*M_PI));
+ if (fabs(a1 - a2) < 90) {
+ if (xa == xb && ya == yb) SetPixel(fl_gc, xa, ya, fl_RGB());
+ else Arc(fl_gc, x, y, x+w, y+h, xa, ya, xb, yb);
+ } else Arc(fl_gc, x, y, x+w, y+h, xa, ya, xb, yb);
+}
+
+void Fl_GDI_Graphics_Driver::pie(int x,int y,int w,int h,double a1,double a2) {
+ if (w <= 0 || h <= 0) return;
+ if (a1 == a2) return;
+ int xa = x+w/2+int(w*cos(a1/180.0*M_PI));
+ int ya = y+h/2-int(h*sin(a1/180.0*M_PI));
+ int xb = x+w/2+int(w*cos(a2/180.0*M_PI));
+ int yb = y+h/2-int(h*sin(a2/180.0*M_PI));
+ SelectObject(fl_gc, fl_brush());
+ if (fabs(a1 - a2) < 90) {
+ if (xa == xb && ya == yb) {
+ MoveToEx(fl_gc, x+w/2, y+h/2, 0L);
+ LineTo(fl_gc, xa, ya);
+ SetPixel(fl_gc, xa, ya, fl_RGB());
+ } else Pie(fl_gc, x, y, x+w, y+h, xa, ya, xb, yb);
+ } else Pie(fl_gc, x, y, x+w, y+h, xa, ya, xb, yb);
+}
+
+#endif // FL_CFG_GFX_GDI_ARCI_CXX
+
+//
+// End of "$Id$".
+//