diff options
Diffstat (limited to 'FL')
| -rw-r--r-- | FL/Fl_Shaped_Window.H | 78 | ||||
| -rw-r--r-- | FL/Fl_Window.H | 3 |
2 files changed, 80 insertions, 1 deletions
diff --git a/FL/Fl_Shaped_Window.H b/FL/Fl_Shaped_Window.H new file mode 100644 index 000000000..af2cefc5a --- /dev/null +++ b/FL/Fl_Shaped_Window.H @@ -0,0 +1,78 @@ +// +// "$Id" +// +// Fl_Shaped_Window header file for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2014 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 to: +// +// http://www.fltk.org/str.php +// + +#ifndef Fl_Shaped_Window_H +#define Fl_Shaped_Window_H + +#include <FL/Fl_Window.H> +#if defined(__APPLE__) +#include <FL/x.H> +#endif + + +class Fl_Bitmap; +class Fl_Pixmap; + +/** + The Fl_Shaped_Window is an Fl_Window that can take an arbitrary shape (not just a rectangular region). + The window shape is determined by the argument of the Fl_Shaped_Window::shape(const Fl_Image*) + member function. + An Fl_Image of any dimension can be used as mask; it is rescaled to the window's dimension as needed. + + The layout and widgets inside are unaware of the mask shape, and most will act as though the window's + rectangular bounding box is available + to them. It is up to you to make sure they adhere to the bounds of their masking shape. + + On the Mac platform, OS version 10.4 or above is required. + On the unix/linux platform, the SHAPE extension of the X server is required. + + The window borders and caption created by the window system are turned off by default. They + can be re-enabled by calling void Fl_Window::border(1). + + A usage example is found at example/shapedwindow.cxx. + */ +class FL_EXPORT Fl_Shaped_Window : public Fl_Window { +private: + int lw_, lh_; + Fl_Image* shape_; +#if defined(__APPLE__) + CGImageRef mask; +#endif + Fl_Bitmap *todelete_; + void shape_bitmap_(Fl_Bitmap*); + void shape_pixmap_(Fl_Pixmap*); + void shape_alpha_(Fl_RGB_Image* img, int offset); +protected: + virtual void draw(); +public: + Fl_Shaped_Window(int w, int h, const char* l = 0); + Fl_Shaped_Window(int x, int y, int w, int h, const char* l = 0); + ~Fl_Shaped_Window(); + void shape(const Fl_Image*); + /** Set the window's shape with an Fl_Image */ + inline void shape(const Fl_Image& b) { shape(&b); } +#if ! (defined(WIN32) || defined(__APPLE__) || defined(FL_DOXYGEN)) + void combine_mask(void); +#endif +}; + +#endif // Fl_Shaped_Window_H + +// +// End of "$Id". +// diff --git a/FL/Fl_Window.H b/FL/Fl_Window.H index 92e76676f..03c82789e 100644 --- a/FL/Fl_Window.H +++ b/FL/Fl_Window.H @@ -16,7 +16,7 @@ // http://www.fltk.org/str.php // -/* \file +/** \file Fl_Window widget . */ #ifndef Fl_Window_H @@ -30,6 +30,7 @@ #define FL_WINDOW 0xF0 ///< window type id all subclasses have type() >= this #define FL_DOUBLE_WINDOW 0xF1 ///< double window type id +#define FL_SHAPED_WINDOW 0xF2 ///< shaped window type id class Fl_X; class Fl_RGB_Image; |