FLTK 1.3.8

Fl_Image_Surface.H
1//
2// "$Id$"
3//
4// Draw-to-image code for the Fast Light Tool Kit (FLTK).
5//
6// Copyright 1998-2014 by Bill Spitzak and others.
7//
8// This library is free software. Distribution and use rights are outlined in
9// the file "COPYING" which should have been included with this file. If this
10// file is missing or damaged, see the license at:
11//
12// http://www.fltk.org/COPYING.php
13//
14// Please report all bugs and problems on the following page:
15//
16// http://www.fltk.org/str.php
17//
18
19#ifndef Fl_Image_Surface_H
20#define Fl_Image_Surface_H
21
22#include <FL/Fl_Copy_Surface.H>
23#include <FL/Fl_Image.H>
24#include <FL/Fl_Shared_Image.H>
25
26
47 class FL_EXPORT Fl_Image_Surface : public Fl_Surface_Device {
48 private:
49 void prepare_(int w, int h, int highres);
50 Fl_Offscreen offscreen;
51 int width;
52 int height;
53 Fl_Paged_Device *helper;
54#ifdef __APPLE__
55#elif defined(WIN32)
56 HDC _sgc;
57 Window _sw;
58 Fl_Surface_Device *_ss;
59 int _savedc;
60#else
61 Fl_Surface_Device *previous;
62 Window pre_window;
63 GC gc;
64#endif
65 public:
66 static const char *class_id;
67 const char *class_name() {return class_id;};
68#if FLTK_ABI_VERSION >= 10304 || defined(FL_DOXYGEN)
69 Fl_Image_Surface(int w, int h, int highres = 0);
70#else
71 Fl_Image_Surface(int w, int h, int highres);
72 Fl_Image_Surface(int w, int h);
73#endif
74 ~Fl_Image_Surface();
75 void set_current();
76 void draw(Fl_Widget*, int delta_x = 0, int delta_y = 0);
77 void draw_decorated_window(Fl_Window* win, int delta_x = 0, int delta_y = 0);
78 Fl_RGB_Image *image();
79 Fl_Shared_Image *highres_image();
80};
81
82#ifdef __APPLE__
83/* Mac class to implement translate()/untranslate() for a flipped bitmap graphics context */
84 class FL_EXPORT Fl_Quartz_Flipped_Surface_ : public Fl_Quartz_Surface_ {
85 public:
86 static const char *class_id;
87 const char *class_name() {return class_id;};
88 Fl_Quartz_Flipped_Surface_(int w, int h);
89 void translate(int x, int y);
90 void untranslate();
91 virtual ~Fl_Quartz_Flipped_Surface_() {};
92};
93#endif
94
95#endif // Fl_Image_Surface_H
96
97//
98// End of "$Id$".
99//
Fl_Image.H
Fl_Image, Fl_RGB_Image classes.
Fl_Shared_Image.H
Fl_Shared_Image class.
Fl_Image_Surface
Directs all graphics requests to an Fl_Image.
Definition: Fl_Image_Surface.H:47
Fl_Image_Surface::class_name
const char * class_name()
Returns the name of the class of this object.
Definition: Fl_Image_Surface.H:67
Fl_Paged_Device
Represents page-structured drawing surfaces.
Definition: Fl_Paged_Device.H:38
Fl_RGB_Image
The Fl_RGB_Image class supports caching and drawing of full-color images with 1 to 4 channels of colo...
Definition: Fl_Image.H:202
Fl_Shared_Image
This class supports caching, loading, scaling, and drawing of image files.
Definition: Fl_Shared_Image.H:50
Fl_Surface_Device
A drawing surface that's susceptible to receive graphical output.
Definition: Fl_Device.H:556
Fl_Surface_Device::set_current
virtual void set_current(void)
Make this surface the current drawing surface.
Definition: Fl_Device.cxx:44
Fl_Surface_Device::class_name
const char * class_name()
Returns the name of the class of this object.
Definition: Fl_Device.H:566
Fl_Widget
Fl_Widget is the base class for all widgets in FLTK.
Definition: Fl_Widget.H:101
Fl_Window
This widget produces an actual window.
Definition: Fl_Window.H:57
- Copyright © 1998-2021 by Bill Spitzak and others.