diff options
| -rw-r--r-- | FL/Fl_Copy_Surface.H | 6 | ||||
| -rw-r--r-- | FL/Fl_Image_Surface.H | 11 |
2 files changed, 9 insertions, 8 deletions
diff --git a/FL/Fl_Copy_Surface.H b/FL/Fl_Copy_Surface.H index 0d7a4f17c..ffe24fe83 100644 --- a/FL/Fl_Copy_Surface.H +++ b/FL/Fl_Copy_Surface.H @@ -23,7 +23,7 @@ /** Supports copying of graphical data to the clipboard. - <br> After creation of an Fl_Copy_Surface object, call set_current() on it, and all subsequent graphics requests + <br> After creation of an Fl_Copy_Surface object, make it the current drawing surface calling Fl_Surface_Device::push_current(), and all subsequent graphics requests will be recorded in the clipboard. It's possible to draw widgets (using Fl_Copy_Surface::draw() ) or to use any of the \ref fl_drawings or the \ref fl_attributes. Finally, delete the Fl_Copy_Surface object to load the clipboard with the graphical data. @@ -32,11 +32,11 @@ \code Fl_Widget *g = ...; // a widget you want to copy to the clipboard Fl_Copy_Surface *copy_surf = new Fl_Copy_Surface(g->w(), g->h()); // create an Fl_Copy_Surface object - copy_surf->set_current(); // direct graphics requests to the clipboard + Fl_Surface_Device::push_current(copy_surf); // direct graphics requests to the clipboard fl_color(FL_WHITE); fl_rectf(0, 0, g->w(), g->h()); // draw a white background copy_surf->draw(g); // draw the g widget in the clipboard + Fl_Surface_Device::pop_current(); // direct graphics requests back to their previous destination delete copy_surf; // after this, the clipboard is loaded - Fl_Display_Device::display_device()->set_current(); // direct graphics requests back to the display \endcode Platform details: \li Windows: Transparent RGB images copy without transparency. diff --git a/FL/Fl_Image_Surface.H b/FL/Fl_Image_Surface.H index 5c638915e..01c05a87d 100644 --- a/FL/Fl_Image_Surface.H +++ b/FL/Fl_Image_Surface.H @@ -28,7 +28,8 @@ /** \brief Directs all graphics requests to an Fl_Image. - After creation of an Fl_Image_Surface object, call set_current() on it, and all + After creation of an Fl_Image_Surface object, make it the current drawing + surface calling Fl_Surface_Device::push_current(), and all subsequent graphics requests will be recorded in the image. It's possible to draw widgets (using Fl_Image_Surface::draw()) or to use any of the \ref fl_drawings or the \ref fl_attributes. Finally, call image() on the object @@ -44,7 +45,7 @@ Fl_Image_Surface *image_surface = new Fl_Image_Surface(g->w(), g->h()); // direct all further graphics requests to the image - image_surface->set_current(); + Fl_Surface_Device::push_current(image_surface); // draw a white background fl_color(FL_WHITE); @@ -55,12 +56,12 @@ // get the resulting image Fl_RGB_Image* image = image_surface->image(); + + // direct graphics requests back to their previous destination + Fl_Surface_Device::pop_current(); // delete the image_surface object, but not the image itself delete image_surface; - - // direct graphics requests back to the screen - Fl_Display_Device::display_device()->set_current(); \endcode */ class FL_EXPORT Fl_Image_Surface : public Fl_Widget_Surface { |