diff options
Diffstat (limited to 'src/Fl_Graphics_Driver.cxx')
| -rw-r--r-- | src/Fl_Graphics_Driver.cxx | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/src/Fl_Graphics_Driver.cxx b/src/Fl_Graphics_Driver.cxx index 6eb670348..0fbe80106 100644 --- a/src/Fl_Graphics_Driver.cxx +++ b/src/Fl_Graphics_Driver.cxx @@ -9,11 +9,11 @@ // 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 +// https://www.fltk.org/COPYING.php // // Please report all bugs and problems to: // -// http://www.fltk.org/str.php +// https://www.fltk.org/str.php // /** @@ -462,16 +462,30 @@ void Fl_Graphics_Driver::polygon(int x0, int y0, int x1, int y1, int x2, int y2) /** see fl_push_clip() */ void Fl_Graphics_Driver::push_clip(int x, int y, int w, int h) {} -/** see fl_clip_box() */ +/** + Default graphics driver implementation of fl_clip_box(). + + This default implementation is sufficient for a graphics driver that does not + support clipping. Drivers that support clipping must override this virtual method. + + It returns + - in (X, Y, W, H) the same values as given in (x, y, w, h) respectively + - 0 (zero) as the function return value + which means that \b nothing was clipped. + + \returns 0 (zero) - nothing was clipped + + \see fl_clip_box() +*/ int Fl_Graphics_Driver::clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H) { X = x; Y = y; W = w; H = h; - return 0; // completely inside + return 0; } -/** see fl_not_clipped() */ +/** see fl_not_clipped() */ int Fl_Graphics_Driver::not_clipped(int x, int y, int w, int h) {return 1;} /** see fl_begin_complex_polygon() */ |